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PDX - SEA

Find cheap flights from Portland to Seattle from $56

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to Seattle departing on 4/17. 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
sab 4/27
sab 5/4

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 Portland to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to Seattle, as well as popular online travel agencies
In the last 7 days travelers have searched 47,025,654 times on KAYAK, and here is why:

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Cheap flight deals from Portland to Seattle

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland 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
5:00 am - 6:01 amPDX-SEA
1h 01mnonstop
8:45 am - 9:40 amSEA-PDX
0h 55mnonstop
$111Alaska Airlines
Find Deal
mer, apr 17 - mer, apr 17
5:40 pm - 6:42 pmPDX-SEA
1h 02mnonstop
9:32 am - 10:34 amSEA-PDX
1h 02mnonstop
$117Delta
Find Deal
mer, mag 1 - mer, mag 8
3:15 pm - 4:14 pmPDX-SEA
0h 59mnonstop
7:25 am - 8:25 amSEA-PDX
1h 00mnonstop
$127Delta
Find Deal
sab, apr 20 - mar, apr 23
7:00 am - 8:01 amPDX-SEA
1h 01mnonstop
7:45 am - 8:40 amSEA-PDX
0h 55mnonstop
$132Alaska Airlines
Find Deal
lun, apr 22 - mer, apr 24
7:04 pm - 8:45 amPDX-SEA
13h 41m1 stop
9:19 pm - 11:14 amSEA-PDX
13h 55m1 stop
$175Spirit Airlines
Find Deal
lun, apr 22 - mer, apr 24
4:05 pm - 8:45 amPDX-SEA
16h 40m1 stop
9:40 pm - 1:20 pmSEA-PDX
15h 40m1 stop
$177Spirit Airlines
Find Deal
mar, apr 9 - ven, mag 10
7:30 pm - 12:07 pmPDX-SEA
16h 37m1 stop
7:25 am - 8:55 pmSEA-PDX
13h 30m1 stop
$551United Airlines
Find Deal
mar, apr 9 - sab, apr 20
7:45 am - 6:41 pmPDX-SEA
10h 56m1 stop
11:49 pm - 6:26 pmSEA-PDX
18h 37m1 stop
$587United Airlines
Find Deal
mer, apr 17 - mer, apr 17
5:20 am - 11:59 pmPDX-SEA
18h 39m1 stop
12:59 am - 7:12 pmSEA-PDX
18h 13m1 stop
$1,162American Airlines
Find Deal
sab, apr 27 - ven, mag 3
6:15 pm - 11:06 amPDX-SEA
16h 51m1 stop
1:15 am - 12:52 pmSEA-PDX
11h 37m1 stop
$1,177American Airlines
Find Deal
mer, mag 1 - lun, mag 6

Flights from Portland to Seattle - Travel Insights & Trends

Get data-powered insights and trends into flights from Portland 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 Portland to Seattle?

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

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Portland 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 Portland to Seattle is September, where tickets cost $138 on average. On the other hand, the most expensive months are November and March, where the average cost of tickets is $307 and $274 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Portland 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 Portland to Seattle, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 56 days before departure.

Which airlines provide the cheapest flights from Portland to Seattle?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The best deals for a one-way ticket found by KAYAK users over the last 3 days were on Alaska Airlines ($56) and Delta ($59). The cheapest round-trip tickets were found on Alaska Airlines ($111) and Delta ($117).

Which airlines fly non-stop between Portland and Seattle?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Portland to Seattle.
There are 2 airlines that fly nonstop from Portland to Seattle. They are Alaska Airlines and Delta. The cheapest airline for this route is Delta, with the best one-way deal found costing $88. On average, the best prices for this route can be found at Delta.

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

Each day, there are between 33 and 36 nonstop flights that take off from Portland and land in Seattle, with an average flight time of 1h 00m. The most common departure time is 9:00 am and most flights take off in the morning. Each week, there are 238 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Tuesday.

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

The average nonstop flight takes 0h 57m, covering a distance of 129 miles.

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

Early birds can take the earliest flight from Portland at 5:00 am and will be landing in Seattle at 6:01 am.

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

If you prefer to fly at night, the latest flight from Portland to Seattle jets off at 8:45 pm and lands at 9:43 pm.

Good to know

Low season

April

High season

March

Cheapest flight

$56
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly with an average 29% increase in price.
Flight from Portland to Seattle

When to book flights from Portland to Seattle

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

  • Can I withdraw cash at SEA?

    If you’d like to withdraw some cash at SEA, you can do so without difficulty, as the airport features ATMs in the Central Terminal and all gated areas.

  • Does SEA have a nursing room?

    SEA has seven nursing rooms. They are located near Gates S, A9, C10, N2, D10, and D23 and on the Main Terminal of the airport’s train stations. Apart from breastfeeding your baby, in any of these rooms, you’ll get the chance to change your baby’s diapers, as they all have changing tables.

  • Does SEA have an on-site hotel?

    SEA does not have an on-site hotel. However, if you’d like to stay at a hotel near this airport, you’ll have many options. They include Hilton Seattle Airport & Conference Center, Crowne Plaza Seattle Airport, and Radisson Hotel Seattle Airport.

  • Does PDX have a children’s play area?

    PDX features two children’s play areas. One is near Gate C17 in Concourse C, while the other is near Gate D7 in Concourse D. At either, your child will have lots of fun, given that they feature a wide variety of toys and child-proof playgrounds.

  • What is the cheapest flight from Portland to Seattle?

    In the last 3 days, the lowest price for a flight from Portland to Seattle was $56 for a one-way ticket and $111 for a round-trip.

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

    No

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

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

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

    Alaska Airlines, Delta, Virgin Atlantic, JetBlue, and American Airlines offer inflight Wi-Fi service on the Portland to Seattle flight route.

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

    The Boeing 737-800 Passenger/BBJ2 (winglets) is the aircraft model that flies most regularly on the Portland to Seattle flight route.

  • Which airline alliances offer flights from Portland to Seattle?

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

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

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

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

    The two airlines most popular with KAYAK users for flights from Portland to Seattle are Alaska Airlines and Delta. With an average price for the route of $198 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $177 and an overall rating of 8.0.

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

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Portland 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 Portland 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 Portland with another airline. Booking your flights between Portland 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 Portland 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 Portland 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 PDX to Seattle

  • Looking for a cheap flight? 25% of our users found flights on this route for $216 or less one-way and $501 or less round-trip.
  • At Portland International Airport (PDX), you’ll come across traffic, given that cars continuously pick up and drop off passengers at this airport. Due to its high passenger traffic, you’ll also encounter long lines at the airport’s security checkpoints. To avoid missing your flight at this airport because of being stuck in traffic or delayed at its security checkpoints, on the date you’re set to travel to Seattle, you should get to it at least 2h in advance of your flight.
  • Suppose you’re disabled, sick, or have limited mobility. In that case, you can receive assisted travel services at PDX, as this airport features TSA Care officials whose mandate is to ensure that special travelers receive the help they require while at the airport. To receive assisted travel services, you should contact and inform the airport’s TSA care office of the services you will require at least 72h before your flight.
  • While waiting for your flight to Seattle-Tacoma International Airport (SEA) at PDX, you can check out the art exhibitions spread throughout the airport. You can also visit the airport’s movie theater in Concourse C. At this free-to-enter theater, you will get the chance to see educational and entertaining short films about the Pacific Northwest. If none of these attractions appeals to you, you should consider relaxing at the airport’s spa, The Dragontree Spa. Situated in Concourse C, this spa features well-trained professionals and exceptional spa equipment. Hence, if you visit it, you can count on being well catered to.
  • Once you land at SEA, you can take some time to rejuvenate on one of the two The Club lounges. Located in the airport’s South Satellite and Central Terminal, these lounges feature comfortable seats, magazines, clean toilets, beverages, snacks, and friendly staff.
  • In case you want to rent a car at SEA, you’ll be able to do so as the airport has a dedicated Rental Car Facility that houses car rental agencies such as Alamo, Avis, Budget, Enterprise, Hertz, and National. To get to this facility, you'll board a shuttle outside the baggage claim area of the Main Terminal.
See more tips

Prefer to fly non-stop from Portland to Seattle?

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

Nonstop departures

Portland to Seattle/Tacoma Intl

Monday

Aeromexico, Air France, Air Tahiti Nui, +12 more

Aeromexico, Air France, +13 more

Tuesday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Wednesday

Aeromexico, Air France, Air Tahiti Nui, +12 more

Aeromexico, Air France, +13 more

Thursday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Friday

Aeromexico, Air France, Air Tahiti Nui, +12 more

Aeromexico, Air France, +13 more

Saturday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Sunday

Aeromexico, Air France, Air Tahiti Nui, +12 more

Aeromexico, Air France, +13 more

See more direct flights

Nonstop returns

Seattle/Tacoma Intl to Portland

Monday

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

Aeromexico, Air Tahiti Nui, +13 more

Tuesday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Wednesday

Aeromexico, Air France, Air Tahiti Nui, +12 more

Aeromexico, Air France, +13 more

Thursday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Friday

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

Aeromexico, Air Tahiti Nui, +13 more

Saturday

Aeromexico, Air France, Air Tahiti Nui, +13 more

Aeromexico, Air France, +14 more

Sunday

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

Aeromexico, Air Tahiti Nui, +13 more

See more direct flights
See more direct flights

Top airlines flying from Portland to Seattle

Need help choosing which airline to fly with from Portland 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 KAYAK reviews.
8.1
Alaska AirlinesOverall score based on 9157 reviews
79comfort
82boarding
74entertainment
81overall
73food
86crew
Airline reviews

Seat did not recline yet fare was the same as one that did !!!

Read more about Alaska Airlines

Seat did not recline yet fare was the same as one that did !!!

Everything was fine within the parameters of flying full aircraft. My only small regret was that the non-meal, "snack" type food options had 90% medium to high sodium items. They looked appetizing, but many, if not most older Americans are restricted in sodium intake, so maybe one low/no sodium option would entice people to buy them. I brought my own food. The staff, on-time and aircraft quality were great, as usual for Alaska.

A little sub- par. Alaska used to be a good airline.

Great service. Got in early into Seattle and everything went great.

It was filled with lots of delays and also onboarding delays that left a passenger next to me sick. Also, they miss labeled my bag for another passenger and temporarily lost my luggage.

Shorten up the country? All joking aside, it was fine. Thank you very much.

Crew was great. Very nice. And the bad... Do not get the aisle last row seat on a 737-900. Right next to the bathroom door! I literally saw everyone on the entire plane! Not good! Landing was a little sketchy too. Felt like we were skidding all over the runway!

I really like the wifi movie option. Watching a funny movie made the long flight go by faster.

It was a red eye and it was quiet and as comfy as a middle sear could be. I was never bothered by anyone as I slept on and off. That's the best that can be done in coach 🙌

we were late due to plane's late arrival at the gate and then there was a glitch with a button or something that had to be fixed and we waited for a tech to do that . The flight was very bumpy and totally not anything to do with the plane or crew. Just saying what was a bit miserable and kind of worrisome give then recent circumstances with the planes. Nothing fell off or onto anything during the flight of take off and landing so I count myself lucky to have gotten to my destination there and back safely. Thank you for asking

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!

Really liked the choice of the 4 free snack options. Crew great. Good vibe on plane.

More filling food and more entertainment options would be cool.

There was no wifi even after my husband paid for wifi it wasn’t working. The plane looked and felt old.

Flight and seats were great. Food service was average at best. The real main problem we had is that we got cheeseburgers for the kids but the plates was extremely hot. Like ridiculously hot and the stewardess never said anything. Luckily or unluckily my wife touched the plate and was able to deal with it before the kids got burned.

Book cheap flights from Portland to Seattle

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Portland to Seattle found on KAYAK in the last 72 hours.
4/17mer
nonstopAlaska Airlines
1h 01mPDX-SEA
$56
5/8mer
nonstopDelta
1h 03mPDX-SEA
$59
4/20sab
nonstopAlaska Airlines
1h 00mPDX-SEA
$64
4/20sab
nonstopDelta
1h 00mPDX-SEA
$69
4/29lun
1 stopSpirit Airlines
13h 41mPDX-SEA
$78
4/19ven
1 stopFrontier
13h 03mPDX-SEA
$79
4/27sab
1 stopFrontier
10h 18mPDX-SEA
$90
5/8mer
1 stopSpirit Airlines
15h 09mPDX-SEA
$91
5/27lun
1 stopSun Country Air
8h 11mPDX-SEA
$180
5/26dom
1 stopSun Country Air
14h 00mPDX-SEA
$198

Search by stops

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Last minute flights from Portland 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 Portland to Seattle that are departing in the next 10 days.
4/1lun
multi-stopSpirit Airlines
13h 47mPDX-SEA
4/2mar
multi-stopSpirit Airlines
14h 01mSEA-PDX
$446
3/31dom
multi-stopSpirit Airlines
13h 47mPDX-SEA
4/2mar
multi-stopSpirit Airlines
14h 01mSEA-PDX
$498
4/1lun
multi-stopAlaska Airlines
19h 56mPDX-SEA
4/2mar
nonstopAlaska Airlines
0h 56mSEA-PDX
$502
3/31dom
nonstopDelta
1h 01mPDX-SEA
4/2mar
nonstopDelta
1h 01mSEA-PDX
$562
3/31dom
multi-stop
22h 26mPDX-SEA
4/2mar
multi-stop
14h 01mSEA-PDX
$619
3/31dom
multi-stopAlaska Airlines
6h 33mPDX-SEA
4/2mar
nonstopAlaska Airlines
0h 56mSEA-PDX
$639
3/31dom
multi-stopSpirit Airlines
13h 47mPDX-SEA
4/2mar
multi-stopSpirit Airlines
14h 01mSEA-PDX
$643
3/31dom
nonstopAlaska Airlines
1h 03mPDX-SEA
4/2mar
nonstopAlaska Airlines
0h 56mSEA-PDX
$677
3/29ven
multi-stop
24h 20mPDX-SEA
3/31dom
multi-stop
14h 06mSEA-PDX
$768
4/2mar
multi-stopUnited Airlines
16h 08mPDX-SEA
4/5ven
multi-stopUnited Airlines
13h 07mSEA-PDX
$863

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Portland - Seattle Flights

Departure:

Portland (PDX)United States

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Portland

Cabin classes:

$784
$371
$502
$248

Compare transportation modes for Portland to Seattle

Average priceAverage duration
Flights$1,0190h 59m
Trains$543h 27m