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$66+ Cheap flights from Seattle to Portland (SEA - PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PDX
May 16 — May 231
Fri 5/16
Fri 5/23
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Portland are usually found in October or January, booked 37 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap flight deals from Seattle to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

CheapTicketsDeal
3 stars

Round-trip from

$147
(Delta)

One-way from

$66
(Cheapflightsfares)

Popular in

May

Cheapest in

October

Average price

$228

Good round-trip deal

$318 or less

Good one-way deal

$128 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Portland flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Portland flights.
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From Seattle/Tacoma Intl to Portland
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One-way flight from Seattle/Tacoma Intl to Portland
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Portland.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Portland.
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Find flight deals from Seattle to Portland

Cheapest flights from Seattle to Portland
Explore the most affordable flight options available from Seattle to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 11, 2025.

This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1312:10 pmSEA - PDX
Nonstop1h 09mDelta
Tue 9/163:15 pmPDX - SEA
Nonstop1h 09mDelta
Deal found 5/11$147
This Cheapflightsfares deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/36:00 amSEA - PDX
1 stop6h 42mSpirit Airlines
Tue 6/105:40 pmPDX - SEA
1 stop6h 30mSpirit Airlines
Deal found 5/11$171
This Alaska Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:20 amSEA - PDX
Nonstop0h 57mAlaska Airlines
Tue 9/1610:10 pmPDX - SEA
1 stop16h 35mAlaska Airlines
Deal found 5/11$180
This Trip.com deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/257:00 amSEA - PDX
Nonstop0h 52mHawaiian Airlines
Wed 7/22:30 pmPDX - SEA
Nonstop0h 54mHawaiian Airlines
Deal found 5/10$210
This Mytrip deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/253:58 pmSEA - PDX
1 stop25h 46mMultiple Airlines
Wed 7/28:59 pmPDX - SEA
Nonstop0h 55mMultiple Airlines
Deal found 5/11$229
This United Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/312:35 pmSEA - PDX
1 stop20h 22mUnited Airlines
Tue 7/89:47 amPDX - SEA
1 stop9h 11mUnited Airlines
Deal found 5/11$417
This Southwest deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1310:20 amSEA - PDX
1 stop8h 20mSouthwest
Sun 7/205:20 amPDX - SEA
1 stop7h 45mSouthwest
Deal found 5/11$444
This American Airlines deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/96:17 pmSEA - PDX
1 stop15h 48mAmerican Airlines
Wed 9/247:00 amPDX - SEA
1 stop10h 28mAmerican Airlines
Deal found 5/10$843

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 11, 2025.
Use the filters below to find and compare flights from Seattle to Portland that are best for you.

Fly from

Seattle

Fly to

Portland

Route

Depart

Return

Price

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Sat 9/13

12:10 pm-1:19 pm

Nonstop1h 09m

Portland

Tue 9/16

3:15 pm-4:24 pm

Nonstop1h 09m

$147

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Tue 6/3

6:00 am-12:42 pm

1 stop6h 42m

Portland

Tue 6/10

5:40 pm-12:10 am

1 stop6h 30m

$171

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Sat 9/13

5:20 am-6:17 am

Nonstop0h 57m

Portland

Tue 9/16

10:10 pm-2:45 pm

1 stop16h 35m

$180

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Wed 6/25

7:00 am-7:52 am

Nonstop0h 52m

Portland

Wed 7/2

2:30 pm-3:24 pm

Nonstop0h 54m

$210

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Wed 6/25

3:58 pm-5:44 pm

1 stop25h 46m

Portland

Wed 7/2

8:59 pm-9:54 pm

Nonstop0h 55m

$229

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Tue 6/3

12:35 pm-8:57 am

1 stop20h 22m

Portland

Tue 7/8

9:47 am-6:58 pm

1 stop9h 11m

$417

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Sun 7/13

10:20 am-6:40 pm

1 stop8h 20m

Portland

Sun 7/20

5:20 am-1:05 pm

1 stop7h 45m

$444

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Tue 9/9

6:17 pm-10:05 am

1 stop15h 48m

Portland

Wed 9/24

7:00 am-5:28 pm

1 stop10h 28m

$843

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Tue 6/3

6:00 am-12:42 pm

1 stop6h 42m

$66

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Mon 8/25

7:56 am-8:58 am

Nonstop1h 02m

$78

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 15 results
1
2

Compare providers for flights from Seattle to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Portland in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Portland flights, Cheapflights users trust CheapTicketsDeal the most. CheapTicketsDeal has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Seattle to Portland flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Portland trip
Airports
SEA

Plan to arrive at SEA two hours before your flight. Use SEA Spot Saver for free security appointments to reduce wait times.

Read more about SEAby Brandon Schultz
PDX

Take the MAX red line from PDX to downtown Portland. It's inexpensive and takes about 40 minutes, with trains every 15 minutes.

Read more about PDXby Brandon Schultz
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PDX and SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Best time to book a flight from Seattle to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Portland

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Portland. Price data was last updated on May 9, 2025.

The price you pay for your flight from Seattle to Portland may vary depending on when you book. For the best chance of a lower fare, look to book 37 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Portland?

Currently, November is the cheapest month in which you can book a flight from Seattle to Portland (average of $277). Flying from Seattle to Portland in March is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to PDX?

Find hourly flight availability from Seattle to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 11, 2025.

It’s typically best to fly out from Seattle to Portland at noon. Doing so could potentially save you 36% on the flight price compared to flying in the morning, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Portland. Price data was last updated on May 11, 2025.

Travelers seeking maximum savings on their Seattle to Portland flight should consider departing on Sunday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Portland

Explore weekly flight availability from Seattle to Portland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 11, 2025.

The most flights from SEA to PDX are scheduled on a Sunday (85 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated May 11, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Seattle to Portland by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

STS - PDX

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

STS - PDX

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.
Southwest
8.0
Very good
4,288 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

STS - PDX

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.
Delta
8.0
Very good
7,949 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

STS - PDX

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.
Hawaiian Airlines
7.9
Good
2,430 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

STS - PDX

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.
United Airlines
7.4
Good
8,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

STS - PDX

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Seattle to Portland?

    If you book a flight from Seattle to Portland, you will be flying from Seattle/Tacoma Intl to Portland. Flights to Portland (PDX) from Seattle/Tacoma Intl (SEA) take 0h 48m for a nonstop flight. There are 61 flights from Seattle/Tacoma Intl to Portland per day from 3 airlines.

  • How popular is this Seattle to Portland flight route?

    This flight path from Seattle/Tacoma Intl to Portland was viewed by 45 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Seattle to Portland round-trip?

    Cheapflights users have booked flights from Seattle to Portland round-trip from $147. Other airlines that can offer you cheap pricing are Spirit Airlines, from $171, and Alaska Airlines, from $180. Delta is 21% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Seattle to Portland one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $66. However, be on the lookout for offers from Delta and Alaska Airlines, as they are both options that can get you from Seattle to Portland for a low price.

  • What are the most reliable airlines from Seattle to Portland?

    Consider WestJet (99%), Air France (96%) or KLM (95%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Portland.

  • What are the cheapest flights from Seattle to Portland?

    On average you can expect to pay $970 for a flight from Seattle to Portland. The cheapest flight overall is $78 while the most popular route, (Seattle/Tacoma Intl - Portland) is currently priced at $157.

  • Can I find deals for flights from Seattle to Portland that include hotel bookings?

    Yes. In addition to deals on Seattle to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Portland.

  • Can I find deals for business class flights from Seattle to Portland?

    Yes. Cheapflights offers flight deals from Seattle to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Portland?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Portland (average of $277). Flying from Seattle to Portland in March is currently the most expensive (average of $369). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Lincoln City
Seaside
Beaverton
Clackamas
Vancouver
McMinnville
Lake Oswego
Hillsboro
Gresham
Astoria
Long Beach
Cannon Beach
Tigard
Hood River
Woodburn
Depoe Bay
Pacific City
Stevenson
Troutdale
Longview

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Top 3 airlines flying from Seattle to Portland

Discover the top 3 airlines that operate flights from Seattle to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$97Average$185FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$112Average$185FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$137Average$187FlexibilityNo cancel feeOn-time85%

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