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$79+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PDX
Jun 18 — Jun 251
Wed 6/18
Wed 6/25
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 June 13, 2025.

Round-trip from

$157
(Alaska Airlines)

One-way from

$79
(Delta)

Popular in

July

Cheapest in

October

Average price

$206

Good round-trip deal

$238 or less

Good one-way deal

$128 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. 14% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 13, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 10/111:20 amSEA - PDX
Nonstop1h 04mAlaska Airlines
Sun 10/54:28 pmPDX - SEA
Nonstop0h 52mAlaska Airlines
Deal found 6/11$157
This Hawaiian Airlines deal was found by Cheapflights users on 6/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:55 amSEA - PDX
Nonstop1h 02mHawaiian Airlines
Wed 9/178:37 pmPDX - SEA
Nonstop0h 59mHawaiian Airlines
Deal found 6/12$171
This KAYAK deal was found by Cheapflights users on 6/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:30 amSEA - PDX
Nonstop1h 08mDelta
Tue 9/1611:10 amPDX - SEA
Nonstop1h 10mDelta
Deal found 6/11$189
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/125:30 pmSEA - PDX
1 stop15h 48mSpirit Airlines
Tue 7/1510:23 amPDX - SEA
1 stop6h 02mSpirit Airlines
Deal found 6/12$230
This Mytrip deal was found by Cheapflights users on 6/11. 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 7/98:55 amSEA - PDX
Nonstop0h 55mMultiple Airlines
Wed 7/93:10 pmPDX - SEA
1 stop25h 15mMultiple Airlines
Deal found 6/11$253
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/77:48 pmSEA - PDX
1 stop14h 23mFrontier
Sat 8/96:35 amPDX - SEA
1 stop12h 11mFrontier
Deal found 6/11$305
This Southwest deal was found by Cheapflights users on 6/12. 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 7/136:15 amSEA - PDX
1 stop6h 00mSouthwest
Sun 7/131:45 pmPDX - SEA
1 stop4h 55mSouthwest
Deal found 6/12$464
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 10/17:00 amSEA - PDX
1 stop13h 50mUnited Airlines
Sun 10/54:07 pmPDX - SEA
2 stops19h 49mUnited Airlines
Deal found 6/11$608

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 June 13, 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 10/1

11:20 am-12:24 pm

Nonstop1h 04m

Portland

Sun 10/5

4:28 pm-5:20 pm

Nonstop0h 52m

$157

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Wed 9/17

9:55 am-10:57 am

Nonstop1h 02m

Portland

Wed 9/17

8:37 pm-9:36 pm

Nonstop0h 59m

$171

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Tue 9/16

7:30 am-8:38 am

Nonstop1h 08m

Portland

Tue 9/16

11:10 am-12:20 pm

Nonstop1h 10m

$189

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Sat 7/12

5:30 pm-9:18 am

1 stop15h 48m

Portland

Tue 7/15

10:23 am-4:25 pm

1 stop6h 02m

$230

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Wed 7/9

8:55 am-9:50 am

Nonstop0h 55m

Portland

Wed 7/9

3:10 pm-4:25 pm

1 stop25h 15m

$253

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Thu 8/7

7:48 pm-10:11 am

1 stop14h 23m

Portland

Sat 8/9

6:35 am-6:46 pm

1 stop12h 11m

$305

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Sun 7/13

6:15 am-12:15 pm

1 stop6h 00m

Portland

Sun 7/13

1:45 pm-6:40 pm

1 stop4h 55m

$464

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Wed 10/1

7:00 am-8:50 pm

1 stop13h 50m

Portland

Sun 10/5

4:07 pm-11:56 am

2 stops19h 49m

$608

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Thu 8/14

7:10 am-8:15 am

Nonstop1h 05m

$79

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Wed 9/3

11:21 am-4:50 pm

1 stop5h 29m

$111

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 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 June 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 $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 June 13, 2025.

It’s typically best to fly out from Seattle to Portland at noon. Doing so could potentially save you 35% 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 June 8, 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 June 13, 2025.

The most flights from SEA to PDX are scheduled on a Friday (93 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (59 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 June 13, 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

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

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

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

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
2,496 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

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
8,792 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

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 49m for a nonstop flight. There are 81 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 $157. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $171, and Delta, from $189. Alaska Airlines is 14% 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 $79. However, be on the lookout for offers from Alaska Airlines and Spirit 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 Sun Country Air (100%), WestJet (97%) or Aeromexico (97%) 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 $78 while the most popular route, (Seattle/Tacoma Intl - Portland) is currently priced at $137.

  • 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 Seattle?

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

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Alternative routes for Seattle to Portland

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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 June 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$97Average$171FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$111Average$190FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$137Average$187FlexibilityNo cancel feeOn-time85%

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