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WAS - SEA

$60 Find cheap flights from Washington, D.C. to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Seattle departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Mon 5/27
Mon 6/3

Search hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Seattle.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Seattle.
In the last 7 days travelers have searched 44,335,567 times on KAYAK, and here is why:

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Cheap flight deals from Washington, D.C. to Seattle (WAS-SEA)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
2:25 pm - 8:45 amBWI-SEA
21h 20m1 stop
9:35 am - 9:06 pmSEA-BWI
32h 31m2 stops
$111Spirit Airlines
Find Deal
Tue, May 7 - Tue, May 21
10:40 am - 8:45 amBWI-SEA
25h 05m2 stops
9:35 am - 9:06 pmSEA-BWI
32h 31m2 stops
$124Spirit Airlines
Find Deal
Tue, May 7 - Tue, May 21
6:58 am - 11:45 amBWI-SEA
7h 47m1 stop
6:00 am - 7:24 pmSEA-BWI
10h 24m1 stop
$247American Airlines
Find Deal
Wed, Aug 21 - Wed, Aug 28
7:00 am - 9:30 amIAD-SEA
5h 30mnonstop
11:28 pm - 7:40 amSEA-IAD
5h 12mnonstop
$277Alaska Airlines
Find Deal
Wed, May 29 - Wed, Jun 12
7:00 am - 9:30 amIAD-SEA
5h 30mnonstop
11:28 pm - 7:40 amSEA-IAD
5h 12mnonstop
$283Alaska Airlines
Find Deal
Wed, May 29 - Sun, Jun 9
10:15 pm - 12:59 amIAD-SEA
5h 44mnonstop
11:55 pm - 9:55 amSEA-IAD
7h 00m1 stop
$286United Airlines
Find Deal
Tue, May 28 - Tue, Jun 4
5:39 pm - 8:25 pmIAD-SEA
5h 46mnonstop
9:55 pm - 6:00 amSEA-IAD
5h 05mnonstop
$289Delta
Find Deal
Thu, May 30 - Mon, Jun 10
4:03 pm - 10:53 pmIAD-SEA
9h 50m1 stop
1:00 pm - 9:01 pmSEA-IAD
5h 01mnonstop
$292United Airlines
Find Deal
Sat, May 18 - Tue, May 21
5:30 pm - 10:18 pmBWI-SEA
7h 48m1 stop
11:15 pm - 11:32 amSEA-BWI
9h 17m1 stop
$294Delta
Find Deal
Tue, Aug 6 - Thu, Aug 8
5:00 am - 11:08 amBWI-SEA
9h 08m1 stop
6:00 am - 4:44 pmSEA-BWI
7h 44m1 stop
$299American Airlines
Find Deal
Wed, May 8 - Wed, May 15

Flights from Washington, D.C. to Seattle - Travel Insights & Trends

Get data-powered insights and trends into flights from Washington, D.C. to Seattle to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Washington, D.C. to Seattle flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for one-way flights from Washington, D.C. to Seattle.
Our data shows that the cheapest route for a one-way flight from Washington, D.C. to Seattle cost $144 and was between Washington, D.C. Dulles Intl Airport and Seattle. On average, the best prices are found if you fly this route. The average price for a return flight for this route is $229.

What’s the cheapest day of the week to fly from Washington, D.C. to Seattle?

The average price of all flights from Washington, D.C. to Seattle clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Washington, D.C. to Seattle, look for departures on Tuesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Seattle, Thursday is the cheapest day to fly and Monday is the most expensive.

What is the cheapest month to fly from Washington, D.C. to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. to Seattle is January, where tickets cost $257 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $588 and $538 respectively.

How far in advance should I book a flight from Washington, D.C. to Seattle?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Washington, D.C. to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Washington, D.C. to Seattle, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 26 days before departure.

Which airlines provide the cheapest flights from Washington, D.C. to Seattle?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The cheapest return flight ticket from Washington, D.C. to Seattle found by KAYAK users in the last 72 hours was for $111 on Spirit Airlines, followed by Frontier ($210). One-way flight deals have also been found from as low as $60 on Spirit Airlines and from $91 on Frontier.

Which airlines fly most frequently between Washington, D.C. and Seattle?

Alaska Airlines (14 flights per day), United Airlines (5 flights per day), and Delta (2 flights per day) are the most frequent flyers of this route.

Which airlines fly non-stop between Washington, D.C. and Seattle?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Washington, D.C. to Seattle.
There are 3 airlines that fly nonstop from Washington, D.C. to Seattle. They are: Alaska Airlines, Delta and United Airlines. The cheapest price of all airlines flying this route was found with Delta at $139 for a one-way flight. On average, the best prices for this route can be found at Delta.

How many flights are there between Washington, D.C. and Seattle per day?

Each day, there are between 20 and 23 nonstop flights that take off from Washington, D.C. and land in Seattle, with an average flight time of 5h 42m. The most common departure time is 7:00 am and most flights take off in the morning. Each week, there are 153 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Wednesday.

Which cabin class options are there for flights between Washington, D.C. and Seattle?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Washington, D.C. to Seattle take?

The duration of a nonstop flight to Seattle from Washington, D.C. is typically 5h 28m. The journey crosses a distance of 2,319 miles.

What’s the earliest departure time from Washington, D.C. to Seattle?

Early birds can take the earliest flight from Washington, D.C. at 7:00 am and will be landing in Seattle at 9:30 am.

What’s the latest departure time from Washington, D.C. to Seattle?

If you prefer to fly at night, the latest flight from Washington, D.C. to Seattle jets off at 10:15 pm and lands at 12:59 am.

Good to know

Low season

January

High season

August

Cheapest flight

$60
Best time to beat the crowds with an average 37% drop in price.
Most popular time to fly with an average 4% increase in price.
Flight from Baltimore to Seattle

When to book flights from Washington, D.C. to Seattle

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Washington, D.C. to Seattle

  • Do all three Washington airports have a USO?

    Yes. IAD, DCA, and BWI each have a USO lounge with complimentary amenities for active-duty US service members, US military retirees, members of the National Guard, and Reservists, and all their families.

  • Do all three Washington airports have a place to pray?

    Yes. IAD provides its passengers and staff with an Inter-faith Chapel that provides a quiet place for prayer and meditation. DCA also has an Inter-faith Chapel that serves as a quiet place for reflection, meditation, and sanctuary for anyone who wants it. BWI has a Meditation Room, which is also a quiet place of reflection and sanctuary.

  • How do I get from SEA into the city center of Seattle?

    The easiest and most convenient way to get from SEA into Seattle is to take the Light Rail #1 from the Light Rail Station at SEA, which is located on the 4th floor near the Parking Garage. This train will take you to many locations throughout the Seattle metropolitan area.

  • How can I fly from each Washington airport into SEA?

    Several airlines operate non-stop flights from an airport in Washington to Seattle-Tacoma International Airport SEA. Alaska Airlines, Delta, and United Airlines are among the carriers that depart from IAD and fly non-stop to SEA. Alaska Airlines is one carrier that departs from DCA and BWI and flies non-stop to SEA. Airlines such as Delta, Frontier, and American Airlines operate flights from WAS to SEA with one stop. You can get a one-stop flight to Seattle that departs from IAD, DCA, or BWI. Some layover cities include Chicago (ORD), New York (JFK), and Detroit (DTW).

  • What is the cheapest flight from Washington, D.C. to Seattle?

    In the last 3 days, the lowest price for a flight from Washington, D.C. to Seattle was $60 for a one-way ticket and $111 for a round-trip.

  • Do I need a passport to fly between Washington, D.C. and Seattle?

    No, a passport isn't needed to fly from Washington, D.C. to Seattle. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Washington, D.C. to Seattle?

    On your way to Seattle, you’ll fly out from one of these Washington, D.C. airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You’ll be landing at Seattle/Tacoma Intl.

  • Which airlines offer Wi-Fi service onboard planes from Washington, D.C. to Seattle?

    Only Alaska Airlines offers inflight Wi-Fi service on the Washington, D.C. to Seattle flight route.

  • Which aircraft models fly most regularly from Washington, D.C. to Seattle?

    The Boeing 737 MAX 9 is the aircraft model that flies most regularly on the Washington, D.C. to Seattle flight route.

  • Which airline alliances offer flights from Washington, D.C. to Seattle?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Washington, D.C. and Seattle, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Washington, D.C. to Seattle?

    There are nonstop flights from Washington, D.C. to Seattle on a daily basis.

  • Which is the best airline for flights from Washington, D.C. to Seattle, Alaska Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Seattle are Alaska Airlines and Delta. With an average price for the route of $457 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $386 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Washington, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from Washington, D.C. to Seattle

  • Looking for a cheap flight? 25% of our users found flights on this route for $225 or less one-way and $400 or less round-trip.
  • All three major Washington DC airports fly into Seattle-Tacoma International Airport (SEA). Washington Dulles International Airport (IAD) serves as a hub for United Airlines. Ronald Reagan Washington National Airport (DCA) is a hub for American Airlines. Baltimore Washington Airport (BWI) is the primary hub of Southwest Airlines.
  • You can find helpful volunteers to answer any of your questions about travel at all three Washington airports. The Airport Ambassadors at DCA wear bright blue shirts. The Airport Pathfinders at BWI are recognizable in their navy blue shirts. The Airport Ambassadors at IAD stand out in their bright yellow shirts or hoodies. If you see any of these volunteers in the terminals or at the information desks, don't hesitate to ask them for assistance if you need it.
  • All three Washington airports provide animal relief stations for those traveling with a service animal or pet. DCA has four pet relief stations Landside and two Airside. BWI has two relief areas Landside and two Airside. IAD has three animal relief stations Landside, outside the terminal, and two stations Airside.
  • If you need to wait for a ride when you land at SEA and you are traveling with children, feel free to take advantage of the play area for kids that SEA has installed between Concourses A and B. Children can play with the oversized toys inspired by airplanes and airports as parents watch from the nearby seating.
  • At SEA, you can take advantage of the relaxation and massage services at Spa Terminal Getaway. This retail spa outlet is located at Gate A5 on Concourse A.
See more tips

Prefer to fly non-stop from Washington, D.C. to Seattle?

Find which airlines fly direct from Washington, D.C. to Seattle/Tacoma Intl, which days they fly and book direct flights.

Nonstop departures

Washington, D.C. to Seattle/Tacoma Intl

Monday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

Tuesday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +13 more

Air Tahiti Nui, Alaska Airlines, +14 more

Wednesday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

Thursday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +13 more

Air Tahiti Nui, Alaska Airlines, +14 more

Friday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

Saturday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +13 more

Air Tahiti Nui, Alaska Airlines, +14 more

Sunday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

See more direct flights

Nonstop returns

Seattle/Tacoma Intl to Washington, D.C.

Monday

ANA, Air Tahiti Nui, Alaska Airlines, +13 more

ANA, Air Tahiti Nui, +14 more

Tuesday

ANA, Air Tahiti Nui, Alaska Airlines, +15 more

ANA, Air Tahiti Nui, +16 more

Wednesday

ANA, Air Tahiti Nui, Alaska Airlines, +13 more

ANA, Air Tahiti Nui, +14 more

Thursday

ANA, Air Tahiti Nui, Alaska Airlines, +15 more

ANA, Air Tahiti Nui, +16 more

Friday

ANA, Air Tahiti Nui, Alaska Airlines, +14 more

ANA, Air Tahiti Nui, +15 more

Saturday

ANA, Air Tahiti Nui, Alaska Airlines, +15 more

ANA, Air Tahiti Nui, +16 more

Sunday

ANA, Air Tahiti Nui, Alaska Airlines, +14 more

ANA, Air Tahiti Nui, +15 more

See more direct flights
See more direct flights

Top 5 airlines serving from Washington, D.C. to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Washington, D.C. to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 9115 reviews
7.3entertainment
8.6crew
7.3food
7.9comfort
8.2boarding
Airline reviews

The WIFI didn't work well enough to get through even 5 minutes of a movie I had selected (it just kept pausing and spinning), and I just gave up and read a book. The selection of movies was a little sparse though, so reading wasn't that bad of an option. This was an older 737-800, with undersized overhead bins -- but it doesn't make sense to me that we are told to slide our bags in with the wheels facing us (most people ignore that and put the handles facing us). This makes it more difficult to remove the bags (no handle). The flight went well, and the fruit/cheese platter I pre-ordered was good -- although it is a little annoying to have to pre-order for this (but I suppose it saves time). When I pre-order it automatically gets charged to my personal credit card (Alaska VISA), when I'd prefer to use my corporate card for that on business trips.

8.0 ExcellentAnonymous, Apr 2024SNA - SEA
Read more about Alaska Airlines reviews

The WIFI didn't work well enough to get through even 5 minutes of a movie I had selected (it just kept pausing and spinning), and I just gave up and read a book. The selection of movies was a little sparse though, so reading wasn't that bad of an option. This was an older 737-800, with undersized overhead bins -- but it doesn't make sense to me that we are told to slide our bags in with the wheels facing us (most people ignore that and put the handles facing us). This makes it more difficult to remove the bags (no handle). The flight went well, and the fruit/cheese platter I pre-ordered was good -- although it is a little annoying to have to pre-order for this (but I suppose it saves time). When I pre-order it automatically gets charged to my personal credit card (Alaska VISA), when I'd prefer to use my corporate card for that on business trips.

It was our baby’s first flight and everything went perfect. The flight attendant gave him his first set of wings and we were smooth flying from there.

My flight went off without any hitch or issue. I anticipate issues every time I fly, luckily, I was wrong on this trip.

It was much better than expected. Short flight and smaller plane so no entertainment or food.

It took around two hours to depart. Just sitting in the tamarack waiting. It impacted my traveling plans in a very dramatic way. When we returned, it took around two hours for us to be able to get our luggage. Ridiculous!!

I thought every thing was good with the acceptation of the long layover between Seattle and the Tampa trip.

While the flight and the legroom was good boarding took a long time. The different groups Boarding made no sense as those in the back of the flight boarded last causing delays as people try to find room for their luggage in the upper bins. While there were plenty of seats on the flights We were spaced so that some rows were filled and others were empty. My first flight was very crowded and uncomfortable. On the way back both flights did not have Wi-Fi nor the entertainment package. We were only made aware of this a few hours before the flight. Since the flight was in the morning, I was asleep and was not able to download Books or other media to my phone. This is my first time flying Alaska airlines and I will admit to thinking twice before I do so again.

Our flight was delayed by six hours, our plane never left Portland the night before but the airline didn’t inform anyone till two hours before a six am flight. The plane, our plane never left the west coast! No plane no flight, simply let folks know when you know, not hours and hours later. No one apologized, no one said much of anything, we were just expected to wait quietly and await instructions.

The staff were great and the layover times were excellent no multiple hours. I just hate the Boxed Water. So you really have to purchase high price water in the airport.

Both flights were delayed. We sat on the tarmac on Boise for 3 hours with little updates

Delta is one of the best airlines I have flown

It was a Red-Eye flight so was not comfortable enough to sleep, but seat was as expected. Crew was great and in-flight entertainment was excellent. Flight was smooth

Standard economy seats on Deltas 767 were better than Alaska premium seats on their 737 MAX9; more legroom, wider seats. Entertainment was great, no ipad or phone required. Could have included a meal service.

Plane was turned around due to fog half way into the flight, Delta did not properly direct passengers to stay on same flight and instead failed to properly rebook on Alaska

The boarding process was terrible especially with an indirect flight Chicago to Seattle to San Diego was terrible talking about we overbooked a flight idk if I’d take this airline ever again we got off our flight from Chicago to Seattle and we traveled for business and they told us our connecting flight was over booked and their was no seats asking people to take a delayed next flight and they don’t tell anyone coughing to wear masks seats 30A-B were terrible during the flight no one wants to sit next to people coughing all around I don’t want to be sick traveling for work or get sick anytime it’s very upsetting the staff doesn’t take this stuff serious to tell them to wear masks when they see people coughing and sneezing

Flight was on time, the crew was personable & professional, & the plane arrived early which was nice.

This flight landed early, but deplaned late. We were stuck sitting and waiting for a gate for over an hour

My flight was very clean and the location was comfortable. The service was great. A satisfying flight!

I appreciated being upgraded. I was very disappointed with my 13 hr layover in Seattle to geg, while my friends who flew Alaska made it home as scheduled. I had to reserve a hotel on my dime.

Delta needs to step up the meals and snacks. They have been serving the same two meals for three years.... It is time to change it up.

they made me check my carryon. There was space in the overhead bins.

The plane was delayed 2 hours. The wifi did not work. The seat in first class was not comfortable because the bottom felt like it lost all of its padding. And I did not like when the flight attendant made me wait at my seat to use the bathroom and didn't tell me why. If there were too many people using the 1st Class bathroom, she should have told me to go in the back, coach bathrooms. I guess I have to feel fortunate that they found 2 local pilots to still fly the plane tonight after the original pilots ended up at an airport 60 miles away due to high winds.

The crew were really great, but the 4 hour delay in small chunks was the worst.

Our flight was delayed many times throughout the day. The final delay was about 8 hours. I spent time in line to speak to someone at their understaffed desk, and also spent time waiting online and then chatting with a service rep. None of the United employees were any help at all. I desperately wanted to go get rest and possibly re-book my trip but I was denied any compensation or voucher for a hotel. I was repeatedly told it was not United's fault and therefore they had no compensation to offer. Overall, a cold and callous experience.

Flight crew and pilots did great. Flight way delayed due to a part needing replacement. Based on what the pilot indicated- the maintenance crew could’ve resolved this more efficiently than replacing whole part- and taken less time

The most cramped seating I’ve ever experienced, (including budget airlines) with no food available for purchase on a nearly 6 hour flight.

Flight was canceled do to mechanical failure I lost my connection flight at to pay $2500.00 more to get 4 more tickets to fly to Ketchikan Alaska This was the worst experience I had flying. I thinks kayak should pay for my new ticket from Seattle to Ketchikan That may bring less pain from my trip Thanks Ilir

Just a crappy airline. The same every time. You feel you are a cow on a farm. You are being being whipped and pulled.

Wasn’t very crowded. Seamless processes. No issues traveling with two little kids.

My interaction with the flight attendent Eve was horrible. I was seated in 3F and was blown away watching her repeatedly skip me as she took other customer orders for lunch...she took the customer next to me but skipped me, then took everyone's order around me (in front of and behind me) . After she had taken every customer's orders to include those behind me, she came to me and said we are out of everything except one last item. I was mortified, in that, I am a 1k flyer, had pre-ordered AND as an African American could only assume why she repeatedly skipped me...mortified. no words

i suspect i caught flu on this flight as i could hear someone coughing a few rows back and ended up with flu a few days later. also tiresome to have to watch movies on my device by holding up smartphone screen, would have liked to have in seat display.

Overall the flights pretty good. The snacks we’re good and they were plenty of them. Both boarding and deplaning went quickly.

Delayed abs delayed Gate crew giving poor info - we are definitely leaving at —- Ultimately to cancel flight after 4+ hours of delays Just cancel it earlier

The flight was scheduled to depart DCA at 12:30 pm but was delayed twice on the ground so that we were finally scheduled to depart at around 4:00 pm. Once we boarded, it was announced that takeoff would be delayed again to fix a hydraulic problem which delayed our eventual takeoff until around 5:00 pm. Once we departed, it was a smooth flight back to ORD. We did not get any explanation about what caused the original significant delay. In my experience, this happens frequently with AA.

Lots of weather delays that were poorly communicated and managed. I get there are weather delays but they didn’t make it clear what was happening or comfortable on the plane

Everything was on time; the flight attendants and the gate personnel were very pleasant and helpful.

I had trouble finding a boarding pass because I had an hour between Flights and American did not see my flight I believe because I was ticketed through KAYAK. I did not have enough time to go to the desk before boarding so I went to the desk and told them while I was boarding and they had a boarding pass for me within three minutes. Nice. I paid extra to have more legroom and it is definitely worth it for a six hour flight. I would’ve paid for a decent dinner, but they didn’t offer anything but a snack box —not good for six hours.

Our second leg to Jackson WY was unable to land due to weather. We were flown back to Dallas after stopping in SLC. We were given hotel rooms and vouchers. We were told that we would be back on the same plane in the morning. Instead we were given a different flight with different seats. Not a good experience. No one knew what was going on.

Perfect flight. On time departure and early arrival. Smooth flight.

Awful! The flight was delayed and we sat on the plane in DCA for an hour because fuel was out in the wrong part of the plane and would not be accessible during flight. So the plane had to be refueled in correct tank. They also allowed someone to get off of the plane. This delayed my six hour flight by an hour and made me miss my connecting flight. I ran to new gate and American Airlines agents new about the delay and even knew that I was trying to make the connection. They knew thru communication with my friend while in flight that I was in the airport and running to the new gate and they still closed the gate and refused to let me on the new flight despite plane still being at the gate. It was horrible and I had to be rebooked on a flight for 24 hours later. This has been a nightmare and if American Airlines can cause customers to be delayed and then have zero empathy as having an on time flight was more important to them than helping a customer who was delayed by no fault of her own, then it's seems that it's not a company that I want to continue to give my loyalty to. I'm so disgusted.

I purchased a carry on bag online…was supposed to cost $72 but after a whole slew of bs charges, the total was over $175.00. Because of these hidden charges, I will not even consider flying Frontier ever again. It’s just not worth the hassle. I’m scratching this company off my list forever.

Flight was OK. Seats were good no cell phone charges on the plane no TVs or entertainment.

There were 3 leg for the trip and each leg was delayed by 90 minutes or more. The boarding process takes forever with people waiting on the jetway even though most folks do not have carry-on. The whole process is poorly managed.

Flight cancelled and was told by a rude gate agent that they don’t accommodate on other airlines. Had to wait 5 hours for a connecting flight that had a 7 hour layover. Would not allow bags to be checked early so we couldn’t go through security .Had to rent a car for the afternoon to store bags and get a meal. Also incurred a hotel fee. No apology or reason given for the cancellation- just rudeness.

They cancelled the flight then did nothing to help us rebook. It was awful - I won’t fly with them again

The process of buying the ticket and navigating all the hidden charges that Frontier throws at you was a terrible experience. The actual airport experience and flying was fine.

The truck that was refueling the plane drove away with the hose still connected to the plane and ripped part of the plane off with it

Not have to pay for every single item to take a flight. Seating and delays sucked.

Flight was cancelled and I had to spend the night in the airport lugging my suitcase around

If you don’t check in 24 hours in advance, they will charge you $110 to check your bag instead of the $30. I did not get an email with this information and did not check in. In addition, my flight home was cancelled at layover and I had to spend the night in the airport, and then have another layover at another airport before making it home. Will not fly frontier again.

Book cheap flights from Washington, D.C. to Seattle

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Seattle found on KAYAK in the last 72 hours.
5/7Tue
1 stopSpirit Airlines
27h 37mBWI-SEA
$60
5/28Tue
2 stopsSpirit Airlines
26h 11mBWI-SEA
$62
9/16Mon
1 stopAmerican Airlines
7h 50mBWI-SEA
$124
6/10Mon
1 stopDelta
8h 38mBWI-SEA
$125
5/28Tue
nonstopUnited Airlines
5h 44mIAD-SEA
$139
6/5Wed
nonstopAlaska Airlines
5h 30mIAD-SEA
$140
6/3Mon
nonstopDelta
5h 49mIAD-SEA
$145
5/31Fri
nonstopAlaska Airlines
5h 30mIAD-SEA
$146
5/28Tue
1 stopUnited Airlines
9h 31mIAD-SEA
$148
5/9Thu
1 stopAmerican Airlines
7h 46mBWI-SEA
$151

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Last minute flights from Washington, D.C. to Seattle

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to Seattle that are departing in the next 10 days.
5/1Wed
multi-stopFrontier
12h 58mDCA-SEA
5/14Tue
multi-stopFrontier
11h 25mSEA-DCA
$234
5/1Wed
multi-stopFrontier
12h 58mDCA-SEA
5/10Fri
multi-stopFrontier
10h 26mSEA-DCA
$244
4/27Sat
multi-stopAmerican Airlines
7h 58mBWI-SEA
5/4Sat
multi-stopAmerican Airlines
7h 22mSEA-BWI
$311
4/30Tue
multi-stopAmerican Airlines
9h 37mBWI-SEA
5/6Mon
multi-stopAmerican Airlines
7h 55mSEA-BWI
$312
4/30Tue
multi-stopUnited Airlines
11h 53mBWI-SEA
5/5Sun
multi-stopUnited Airlines
7h 08mSEA-BWI
$319
5/1Wed
multi-stopDelta
7h 45mBWI-SEA
6/1Sat
multi-stopDelta
7h 19mSEA-BWI
$348
4/30Tue
multi-stopDelta
8h 42mBWI-SEA
5/6Mon
multi-stopDelta
7h 00mSEA-BWI
$372
5/1Wed
multi-stopUnited Airlines
14h 34mBWI-SEA
6/2Sun
multi-stopUnited Airlines
9h 10mSEA-BWI
$393
5/1Wed
multi-stopAlaska Airlines
27h 45mDCA-SEA
5/2Thu
nonstopAlaska Airlines
5h 07mSEA-DCA
$416
4/30Tue
multi-stopAlaska Airlines
21h 23mIAD-SEA
5/1Wed
nonstopAlaska Airlines
4h 56mSEA-IAD
$582

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Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Washington, D.C.

Cabin classes:

$539
$620
$671
$229