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BWI - SEA

$123 Find cheap flights from Baltimore 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 Baltimore to Seattle departing on 5/29. 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
Sat 6/15
Sat 6/22

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 Baltimore to Seattle.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Baltimore to Seattle.
In the last 7 days travelers have searched 42,211,976 times on KAYAK, and here is why:

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Cheap flight deals from Baltimore to Seattle (BWI-SEA)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Baltimore 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
10:14 pm - 8:32 amBWI-SEA
13h 18m1 stop
9:28 am - 4:31 pmSEA-BWI
28h 03m2 stops
$254Spirit Airlines
Find Deal
Wed, Jun 12 - Wed, Jun 19
10:14 pm - 8:32 amBWI-SEA
13h 18m1 stop
9:32 pm - 8:28 amSEA-BWI
7h 56m1 stop
$255Spirit Airlines
Find Deal
Wed, Jun 12 - Thu, Jun 20
9:28 pm - 8:59 amBWI-SEA
14h 31m1 stop
5:05 pm - 9:08 amSEA-BWI
13h 03m1 stop
Mon, Jun 17 - Wed, Jun 26
6:00 am - 10:40 amBWI-SEA
7h 40m1 stop
12:40 am - 10:59 amSEA-BWI
7h 19m1 stop
$258Delta
Find Deal
Sun, May 26 - Tue, May 28
12:08 pm - 7:22 pmBWI-SEA
10h 14m1 stop
9:20 pm - 8:54 amSEA-BWI
8h 34m1 stop
$260Delta
Find Deal
Wed, Jul 24 - Tue, Jul 30
5:35 pm - 12:49 amBWI-SEA
10h 14m2 stops
12:18 am - 12:44 pmSEA-BWI
9h 26m1 stop
$262American Airlines
Find Deal
Tue, Aug 13 - Mon, Aug 19
5:34 pm - 7:14 amBWI-SEA
16h 40m1 stop
5:05 pm - 7:51 pmSEA-BWI
23h 46m1 stop
$283Frontier
Find Deal
Sat, Jul 6 - Mon, Jul 8
1:39 pm - 7:14 amBWI-SEA
20h 35m1 stop
7:17 pm - 12:06 pmSEA-BWI
13h 49m1 stop
$292Frontier
Find Deal
Thu, Jun 20 - Mon, Jun 24
5:35 pm - 10:41 pmBWI-SEA
8h 06m1 stop
6:00 am - 4:44 pmSEA-BWI
7h 44m1 stop
$374American Airlines
Find Deal
Tue, May 28 - Mon, Jun 3
7:05 am - 9:46 amBWI-SEA
5h 41mnonstop
9:50 pm - 5:48 amSEA-BWI
4h 58mnonstop
$387Alaska Airlines
Find Deal
Wed, Jun 12 - Mon, Jun 17

Flights from Baltimore to Seattle - Travel Insights & Trends

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

What’s the cheapest day of the week to fly from Baltimore to Seattle?

The average price of all flights from Baltimore to Seattle clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Baltimore 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, Wednesday is the cheapest day to fly and Sunday is the most expensive.

What is the cheapest month to fly from Baltimore to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Baltimore 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 Baltimore to Seattle is January, where tickets cost $336 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $536 and $492 respectively.

How far in advance should I book a flight from Baltimore to Seattle?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Baltimore 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 Baltimore to Seattle, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 52 days before departure.

Which airlines provide the cheapest flights from Baltimore to Seattle?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the best return deals on flights connecting Baltimore to Seattle were found on Spirit Airlines ($254) and Delta ($258). Frontier proposed the cheapest one-way flight at $123.

Which airlines fly non-stop between Baltimore and Seattle?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Baltimore to Seattle.
There are 2 airlines that fly nonstop from Baltimore to Seattle. They are Alaska Airlines and Southwest. The cheapest airline for this route is Alaska Airlines, with the best one-way deal found costing $179. On average, the best prices for this route can be found at Alaska Airlines.

How many flights are there between Baltimore and Seattle per day?

Each day, there are between 5 and 7 nonstop flights that take off from Baltimore and land in Seattle, with an average flight time of 5h 44m. The most common departure time is 7:00 am and most flights take off in the morning. Each week, there are 38 flights. The most frequent day of departure is Thursday, when 18% of all weekly flights depart. The fewest flights depart on a Friday.

Which cabin class options are there for flights between Baltimore 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 Baltimore to Seattle take?

Direct flights take on average 5h 41m to travel the 2,327 miles between Baltimore and Seattle.

What’s the earliest departure time from Baltimore to Seattle?

Early birds can take the earliest flight from Baltimore at 7:05 am and will be landing in Seattle at 9:46 am.

What’s the latest departure time from Baltimore to Seattle?

If you prefer to fly at night, the latest flight from Baltimore to Seattle jets off at 6:59 pm and lands at 9:49 pm.

Good to know

Low season

February

High season

August

Cheapest flight

$123
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Baltimore to Seattle

When to book flights from Baltimore to Seattle

Are your dates flexible? Find out the best times to travel from Baltimore 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 Baltimore to Seattle

  • Does BWI provide animal relief stations?

    Yes. If you are traveling with a service animal or a pet who needs to go to the bathroom or get a drink of water, you can take advantage of one of the animal relief areas at BWI, 2 Airside and 2 Landside. The post-security stations are located next to the Terminal B/C connector and just beyond the security checkpoint for Concourses D/E. Both of the pre-security areas are located outside the airport. The first one is in front of the Hourly Garage and the second one is next to the Light Rail Station.

  • Does SEA have a USO?

    Yes. If you are an active-duty US military service member or dependent, and you wish to refresh, regroup, or reboot before heading out into Seattle, you can take advantage of the USO on the Mezzanine level above Checkpoint #3. This lounge is open on Thursdays from 8:00 am until 12:00 am the next day and on Mondays, Wednesdays, and Saturdays from 8:00 am until 4:00 am the next day. The USO is closed on Tuesdays, Fridays, and Sundays. Some amenities include showers, places to sleep, travel information, a nursery, a big screen TV, internet access, and more.

  • Does BWI provide facilities for traveling mothers?

    Yes. BWI has installed Mamava lactation suites in every terminal in the airport. These freestanding 4X8 lactation suites are made of fiberglass and Corian and provide cleanliness and privacy for mothers who want to breastfeed in private or who need to pump. Each Mamava pod includes two benches, a shelf, a coat hook, a mirror, motion-activated lighting, an exhaust fan, an electrical outlet, and a USB port.

  • Does BWI provide accommodations for the differently abled?

    Yes. BWI provides wheelchairs, wheelchair assistance, ramps, elevators, lift-equipped buses, accessible restrooms, unisex restrooms, and restrooms that include adult changing stations for an adult and his or her caregiver. BWI also has TDD telephones Video Relay Systems for the hearing impaired.

  • What is the cheapest flight from Baltimore to Seattle?

    In the last 3 days, the lowest price for a flight from Baltimore to Seattle was $123 for a one-way ticket and $254 for a round-trip.

  • Do I need a passport to fly between Baltimore and Seattle?

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

  • Which airports will I be using when flying from Baltimore to Seattle?

    Baltimore and Seattle are both served by 1 main airport. You will leave Baltimore from Baltimore/Washington and will be arriving at Seattle/Tacoma Intl.

  • Which airlines offer Wi-Fi service onboard planes from Baltimore to Seattle?

    Alaska Airlines, Delta, and American Airlines offer inflight Wi-Fi service on the Baltimore to Seattle flight route.

  • Which aircraft models fly most regularly from Baltimore to Seattle?

    The Boeing 737 MAX 9 is the aircraft model that flies most regularly on the Baltimore to Seattle flight route.

  • Which airline alliances offer flights from Baltimore to Seattle?

    oneworld is the only airline alliance operating flights between Baltimore and Seattle.

  • On which days can I fly direct from Baltimore to Seattle?

    There are nonstop flights from Baltimore to Seattle on a daily basis.

  • Which is the best airline for flights from Baltimore to Seattle, Alaska Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from Baltimore to Seattle are Alaska Airlines and Delta. With an average price for the route of $466 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 $382 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Baltimore 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 Baltimore to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Baltimore to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Baltimore 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 Baltimore 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 Baltimore with another airline. Booking your flights between Baltimore and SEA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Baltimore 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 Baltimore up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Baltimore to Seattle

  • Looking for a cheap flight? 25% of our users found flights on this route for $253 or less one-way and $403 or less round-trip.
  • The Baltimore Washington Thurgood Marshall Airport (BWI) serves as the primary hub for Southwest Airlines. The Seattle-Tacoma International Airport (SEA) is a hub for Delta Airlines and Alaska Airlines.
  • BWI serves the metropolitan areas of both Baltimore, Maryland, and Washington DC. These cities are about 40 miles apart. BWI is about 20 to 30min away from the city of Baltimore. On the other hand, BWI is about 1h 20min away from Washington DC.
  • To get from SEA into downtown Seattle, find your way to the SEA Parking Garage and go to the 4th floor, where the Light Rail Train Station is located. Take Light Rail #1, and this train can take you to many places throughout the Seattle metropolitan area.
  • If your muscles are feeling sore when you land at SEA and you want to ease the kinks out, you can enjoy the massage and relaxation services offered by the Spa Terminal Getaway in SEA. This spa is located on Concourse A at Gate A5.
  • If you are waiting for a ride at SEA and have children with you, you might want to stop by the popular Kids’ Play Area at SEA, located between Concourses A and B. As the kids have fun with the oversized toys with airplane and airport themes, parents can relax and reboot on the nearby seating provided.
See more tips

Prefer to fly non-stop from Baltimore to Seattle?

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

Nonstop departures

Baltimore/Washington to Seattle/Tacoma Intl

Monday

Air Tahiti Nui, Alaska Airlines

Air Tahiti Nui, Alaska Airlines

Tuesday

Air Tahiti Nui, Alaska Airlines, Finnair

Air Tahiti Nui, Alaska Airlines, +1 more

Wednesday

Air Tahiti Nui, Alaska Airlines

Air Tahiti Nui, Alaska Airlines

Thursday

Air Tahiti Nui, Alaska Airlines, Finnair

Air Tahiti Nui, Alaska Airlines, +1 more

Friday

Air Tahiti Nui, Alaska Airlines

Air Tahiti Nui, Alaska Airlines

Saturday

Air Tahiti Nui, Alaska Airlines, Finnair, +1 more

Air Tahiti Nui, Alaska Airlines, +2 more

Sunday

Air Tahiti Nui, Alaska Airlines

Air Tahiti Nui, Alaska Airlines

See more direct flights

Nonstop returns

Seattle/Tacoma Intl to Baltimore/Washington

Monday

Air Tahiti Nui, Alaska Airlines

Air Tahiti Nui, Alaska Airlines

Tuesday

Air Tahiti Nui, Alaska Airlines, Finnair

Air Tahiti Nui, Alaska Airlines, +1 more

Wednesday

Air Tahiti Nui, Alaska Airlines

Air Tahiti Nui, Alaska Airlines

Thursday

Air Tahiti Nui, Alaska Airlines, Finnair

Air Tahiti Nui, Alaska Airlines, +1 more

Friday

Air Tahiti Nui, Alaska Airlines

Air Tahiti Nui, Alaska Airlines

Saturday

Air Tahiti Nui, Alaska Airlines, Finnair, +1 more

Air Tahiti Nui, Alaska Airlines, +2 more

Sunday

Air Tahiti Nui, Alaska Airlines

Air Tahiti Nui, Alaska Airlines

See more direct flights
See more direct flights

Top 5 airlines serving from Baltimore to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Baltimore 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 Baltimore 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 9157 reviews
7.3Food
8.2Boarding
7.9Comfort
7.3Entertainment
8.6Crew
Airline reviews

I have never flown Alaska Airlines before & would recommend them to anyone& will use again

10.0 ExcellentAnonymous, May 2024BNA - SEA
Read more about Alaska Airlines reviews

I have never flown Alaska Airlines before & would recommend them to anyone& will use again

Not a good experience, we were delayed by an hour due to maintenance issues.

After upgrading and paying for seat I was bumped from my seat. When I went to ask why she said I wasn’t assigned a seat because the ticket I purchased. After kindly explaining to her I upgraded the night before and paid for that seat she said how I was wrong and that something must have happened. I showed her my receipt and she still said there was an error. This is why I only fly delta. The flight attendant was rude as well but I don’t want to waste anymore time talking about how poor Alaska is. Delta here I come!

Ashley - the flight attendant from OMA to SEA - was phenomenal. I was traveling alone with my 4 month old and she made every accommodation possible and went out of her way to make sure my experience was as comfortable as possible. Give this woman a massive raise!

boarding was easy and the 737 Max was comfortable and roomy but that was the only good.. there was a child screaming at the top of his lungs for the entire loading, taxiing and part of the flight and no one in the crew said anything or offered any assistance.

The flight was great. The pilot was great. It was really annoying that the staff had facemasks on. Hard to hear what they’re saying when a mask is covering their mouth. I enjoyed the flight, but there was a crying baby in front of me. You guys should offer flights baby free. I would be very into that me and the person next to me discussed how they should make free flights for all of us that don’t have kids. I wouldn’t mind paying extra to not have to deal with the smell of a dirty diaper or screaming of a child. Also, if they had a separate room, the babies could be sent to the back with a curtain or something muddle the horrible sounds.

Smooth. Courteous. Fun. One problem: the wheels on my checked roller back were broken when I picked up baggage at destination. Must have happened during flight baggage handling but I don’t know where.

Staff very helpful and friendly, in flight entertainment poor. Flight left late and thus arrived 20 minutes late to final destination.

First time flying with Alaska and the staff were All professional from checkin to departure! I do plan to book more flights with Alaska. Thanks

Boarded the plain and had to wait 1 hour for crew Captain to arrive from another flight

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.

No lounge access with “United First” ticket. False alarm about late flight, jeopardizing connection. Wrong meal. Loose power socket would not hold plug, could not charge device. In-flight access to text messaging did not work. Toilet seat on plane would not stay up.

We ended up with seats in the very back. So they did not recline. Have no idea why, we reserved and checked in very early. The isles were very narrow and the seats had very little leg room. But they did give us water, and a snack.

Check in etc was very good. As for on the plane, it was like flying in a freezer. It was so cold, i have flown for years and never been so cold on a plane. Staff on board said its always cold when flying which is a load of rubbish. They wouldnt put any heating on and now i have the flu because of this .

I’ve had a couple flights this week on United that were delayed by an hour or more

Surprisingly easy! I was hesitant to try this, but the cost swayed me. I actually felt like I had less stress than all the taxiing and possible delays that occur with short regional flights where you spend less time in the air than getting to and from the plane..

This flight was delayed multiple times and eventually canceled around 2-3ish. Original take off time was around 10:30am. By 3, there were no other options out of Houston, so stuck in Houston for from 3pm - 11am the next day.

Should have video screens Plane audio was poor and without wired connection hard to understand crew. Should serve more than just cups of water and pretzels on six hour flight. Did not see crew rest of flight. Fix charging sockets to retain charging blocks.

I paid $380 for my one-way ticket from California to Minnesota. The fair did not include online check-in. I received instructions from their app to check in at a kiosk. At the kiosk, the boarding pass would not print until an actual person came to verify that I had a personal item and not a carry-on item, On the plane, the person next to me was drunk and allowed to continue to order alcohol. United is garbage I’d rather fly spirit.

The plane was dirty and the in seat air wasn't blowing as planes usually do.

Generally good but there wasn’t any staff available when my luggage didn’t appear at baggage claim in Fresno. It took about half an hour to locate a staff member to open up the locked room where it was being kept.

Tray table was filthy when I sat down. I needed to have someone come clean it because there was food and stains on it WiFi didn’t work after paying for in-flight WiFi. Food was terrible and was not filling at all Chicken was rubbery Flight attendant had an attitude, interrupted me and wasn’t able to answer basic questions about the food selection such as “does the chicken have red sauce in it”. If your flight attendants are not going to know what is in the meals so we can make an educated decision based on dietary restrictions, they shouldn’t be on the plane. My 1.5 year old niece was sleeping and dropped her binkie. I went on the ground under the chairs looking for it. It was at that time that she came up to me as I’m CLEARLY on all 4s with a flashlight and said “I need to get by”. I said one moment please I’m getting something from under the seat (while my head was literally under the seat). Her reply was “no you need to move now” and proceeded to almost push me out of the way. I looked up and all I saw was her toes under my eyes. When I looked in front of me, her private parts were inches away from my face. I then made a comment “you couldn’t waited 2 seconds?” and her response was, “no I need to use the bathroom”. I understand that and would never want to be the reason someone couldn’t get to the bathroom but I was under the seat. She could’ve gone around the other way instead of harassing me, basically placing her private parts on my head and borderline pushing me out of the way. You don’t pay that much for this deplorable experience. This was by far the worst experience I have ever had on American. I will be absolutely thinking twice and thrice about flying American Airlines again. I would rather pay more to fly delta because at least I know their WiFi will work and their flight attendants won’t have a shitty attitude for no reason, nor will they act the way this woman did. Unacceptable.

Liked - nothing. Disliked - delayed 35+ min sitting on the plane. Caused me to miss my connection in Charlotte. American Airlines is the worst US Air Carrier company with atrocious customer service.

Worst situation ever! I booked my tickets for this trip on Alaska Airlines. I guess AA is a partner and we flew nonstop from Eugene to PHX on an AA jet. I had to pay for luggage from PHX to EUG. And this was an Alaska Airlines reservation paid for with Alaska airlines credit card! Got to the PHX airport and was not able to check bags because of some weird issue with the AA software. My reservation had to be the-entered by the agent. I will never pick another American Airlines flight on the Alaska Airlines website. While on vacation, I tried to upgrade our seats for the trip home. The request just buffered and never went through. I tried four times and was charged four times on my credit card. The card was charged but the seats were never changed. What a wreck!

Left from gate 30 minutes before flight. Never been late to a flight ever. It says 15 minutes before explicitly on the ticket.

I like the boarding process, it was fast. The seat doesn’t have a TV for a long flight and food wasn’t served, just snacks.

Use planes with TVs on flights over 4 hours. The free entertainment was a cheap in between solution for a very long flight that you don't even bother providing meals or decent snacks.

Even though we left CMI late, we mostly made up the time.

Delayed almost 4 hours for a 45 minute flight with no explanation.

Again, multiple delays and I eventually just canceled and drove!

Great crew. We were delayed so that late passengers could get on the flight. Love the bedding in business class. Good food. Great experience.

Never been on this flight as i had missed it due to delayed connecting flight

Horrible. Delays, no customer support and fake promises and everything. i am suffering to help as due to connecting flight getting missed no support on ground and customer support window is closed and we are sitting o ground without anything

Missed our departing flight due to poor baggage drop staff. At the airport with 2 & 1/2 hours to spare and waited in bag check in until 15 minutes prior to gates closing before baggage staff asked us to move to the front of the line. We weren’t the only passengers that missed the flight. Poor organizational operations by Spirit staff. Otherwise , the return trip was fine.

My experience with Spirit was perfect. Did not expect it to be this good

Worst airline experience ever. Lost my IPad going thru security. Charged for my dog carriage at the gate not at ticket counter. Gave away my seat 6D. Expressed I wanted my seat back after charging me 99 for dog carriage. Should have thrown it out. Had a 16 yr old Yorkie heading to Boston after being a snowbird. Seats small. Very bad experience. Still don’t have my IPad. Horrible

My mother was HARASSED AND ACCOSTED by the gate agent for her bag. I pre purchased the bag fee and the gate agent made my 78 year old mother board, deplane, re pay for her bag fee and board again. The gate agent made my mother pick up her own bag and REFUSED to help her, she is an older woman who wasn’t bothering anyone on a flight that had maybe 30’total passengers. I am going to sue this airlines for their HORRIBLE customer service and treatment of my mother, and all this occurred the day after Mother’s Day!!!

The boarding gate was moved so many times that I missed my flight. No attendants would help me. The wrong gate was even on my boarding pass. I had to repurchase everything. I’ll never fly again. Really a terrible day as I had planned to see a former student who is dying in Louisville Never ever will I forget that day. Your airline is totally uncaring.

Horrible, first flight delayed. They switched my connecting flight while I was en route and even though I was originally supposed to be on the flight going back home to boston, refused to let me board and told me I would have to wait for next flight that was 14 hours later. Ended up renting a car and driving 6.5 hours back home. Still getting messages about flight and it is now showing that the other flight they put me on is now canceled and I would have to wait 24 hours for the next one. I will never book with spirit again

Hated it I would not use Kayak or Spirit ever again.

They stuck us with multiple extra fees. I will never fly spirit again

Book cheap flights from Baltimore to Seattle

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Baltimore to Seattle found on KAYAK in the last 72 hours.
5/29Wed
1 stopFrontier
14h 48mBWI-SEA
$123
5/29Wed
3 stops
35h 40mBWI-SEA
$124
5/26Sun
1 stopDelta
7h 40mBWI-SEA
$129
5/26Sun
1 stopDelta
7h 40mBWI-SEA
$156
5/21Tue
1 stopUnited Airlines
7h 46mBWI-SEA
$207
5/28Tue
1 stopAmerican Airlines
8h 06mBWI-SEA
$208
6/17Mon
nonstopAlaska Airlines
5h 50mBWI-SEA
$209
5/21Tue
2 stopsUnited Airlines
12h 45mBWI-SEA
$212
6/7Fri
nonstopAlaska Airlines
5h 41mBWI-SEA
$259
6/14Fri
1 stopAmerican Airlines
8h 19mBWI-SEA
$260

Search by stops

Search by airline

Search by price

Last minute flights from Baltimore 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 Baltimore to Seattle that are departing in the next 10 days.
5/18Sat
multi-stop
15h 18mBWI-SEA
5/29Wed
multi-stop
12h 48mSEA-BWI
$308
5/18Sat
multi-stopFrontier
15h 18mBWI-SEA
5/21Tue
multi-stopFrontier
20h 28mSEA-BWI
$310
5/21Tue
multi-stopAmerican Airlines
8h 06mBWI-SEA
5/25Sat
multi-stopAmerican Airlines
9h 48mSEA-BWI
$345
5/21Tue
multi-stopAmerican Airlines
8h 06mBWI-SEA
5/25Sat
multi-stopAmerican Airlines
11h 19mSEA-BWI
$350
5/20Mon
multi-stopUnited Airlines
9h 39mBWI-SEA
5/24Fri
multi-stopUnited Airlines
7h 35mSEA-BWI
$374
5/21Tue
multi-stopDelta
7h 42mBWI-SEA
5/26Sun
multi-stopDelta
7h 33mSEA-BWI
$378
5/21Tue
multi-stopDelta
7h 42mBWI-SEA
5/28Tue
multi-stopDelta
7h 19mSEA-BWI
$405
5/21Tue
multi-stopSpirit Airlines
21h 20mBWI-SEA
5/23Thu
multi-stopSpirit Airlines
13h 09mSEA-BWI
$413
5/17Fri
multi-stopSpirit Airlines
14h 25mBWI-SEA
5/25Sat
multi-stopSpirit Airlines
14h 29mSEA-BWI
$424
5/18Sat
multi-stopUnited Airlines
13h 33mBWI-SEA
5/25Sat
multi-stopUnited Airlines
7h 07mSEA-BWI
$429

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Baltimore - Seattle Flights

Departure:

Baltimore (undefined)United States

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Baltimore

Cabin classes:

$600
$1,337
$1,080
$279