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$69+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PDX
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 Thursday

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 July 28, 2025.

Round-trip from

$107
(Orbitz)

One-way from

$69
(Delta)

Popular in

June

Cheapest in

October

Average price

$237

Good round-trip deal

$217 or less

Good one-way deal

$160 or less
From Seattle/Tacoma Intl to Portland
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One-way flight from Seattle/Tacoma Intl to Portland
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Highest demand for flights based on searches. 17% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 28, 2025.

This Orbitz deal was found by Cheapflights users on 7/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/209:40 pmSEA - PDX
Nonstop1h 04mAlaska Airlines
Wed 8/272:30 pmPDX - SEA
Nonstop1h 03mAlaska Airlines
Deal found 7/26$107
This Delta deal was found by Cheapflights users on 7/28. 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.
Wed 8/207:10 amSEA - PDX
Nonstop1h 05mDelta
Wed 8/275:30 amPDX - SEA
Nonstop1h 05mDelta
Deal found 7/28$117
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/235:20 amSEA - PDX
Nonstop0h 57mHawaiian Airlines
Sun 8/245:47 pmPDX - SEA
Nonstop0h 58mHawaiian Airlines
Deal found 7/27$130
This Southwest deal was found by Cheapflights users on 7/25. 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.
Fri 9/194:10 pmSEA - PDX
1 stop6h 05mSouthwest
Sat 9/205:05 pmPDX - SEA
1 stop6h 05mSouthwest
Deal found 7/25$251
This lastminute.com deal was found by Cheapflights users on 7/28. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/239:31 pmSEA - PDX
1 stop8h 49mMultiple Airlines
Sun 8/2410:35 amPDX - SEA
1 stop4h 19mMultiple Airlines
Deal found 7/28$265

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 July 28, 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

Wed 8/20

9:40 pm-10:44 pm

Nonstop1h 04m

Portland

Wed 8/27

2:30 pm-3:33 pm

Nonstop1h 03m

$107

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Wed 8/20

7:10 am-8:15 am

Nonstop1h 05m

Portland

Wed 8/27

5:45 pm-6:55 pm

Nonstop1h 10m

$117

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Sat 8/23

5:20 am-6:17 am

Nonstop0h 57m

Portland

Sun 8/24

5:47 pm-6:45 pm

Nonstop0h 58m

$130

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Fri 9/19

4:10 pm-10:15 pm

1 stop6h 05m

Portland

Sat 9/20

5:05 pm-11:10 pm

1 stop6h 05m

$251

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Sat 8/23

9:31 pm-6:20 am

1 stop8h 49m

Portland

Sun 8/24

10:35 am-2:54 pm

1 stop4h 19m

$265

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Sat 10/25

9:25 am-10:24 am

Nonstop0h 59m

$69

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Tue 10/7

9:40 pm-10:45 pm

Nonstop1h 05m

$75

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Tue 9/2

5:20 am-6:17 am

Nonstop0h 57m

$78

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Sat 10/25

9:20 am-5:35 pm

1 stop8h 15m

$104

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Mon 8/11

5:30 pm-9:18 am

1 stop15h 48m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 12 results
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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

Use SEA Spot Saver for free security screening appointments. Book online a few days before your flight to reduce wait times.

Read more about SEAby Brandon Schultz
PDX

Take the MAX red line from PDX to downtown Portland. It's a 40-minute, travel-friendly ride with no steps for easy luggage handling.

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 July 25, 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 $368). 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 July 28, 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 evening, 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 July 27, 2025.

Travelers seeking maximum savings on their Seattle to Portland flight should consider departing on Tuesday 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 July 28, 2025.

The most flights from SEA to PDX are scheduled on a Monday (94 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (71 on average).

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 July 28, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Seattle to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,975 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,604 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,892 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 53m for a nonstop flight. There are 83 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 49 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 $107. Other airlines that can offer you cheap pricing are Delta, from $117, and Hawaiian Airlines, from $130. Alaska Airlines is 41% 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 Delta, with whom users have recently found tickets for as low as $69. However, be on the lookout for offers from Alaska Airlines and Hawaiian 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 (88%), Delta (87%) or KLM (83%) 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 $1,214 for a flight from Seattle to Portland. The cheapest flight overall is $98 while the most popular route, (Seattle/Tacoma Intl - Portland) is currently priced at $107.

  • 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 $368). 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 Portland?

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

Browse thousands of different options on Cheapflights for your next trip

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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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$111Average$177FlexibilityNo cancel feeOn-time75%
DeltaCheapest$117Average$174FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$137Average$191FlexibilityNo cancel feeOn-time85%

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