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Cheap flights from Seattle to Portland from £53

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PDX
17 Apr — 24 Apr1
1 adult

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 12 April 2025.

Round-trip from

£100

One-way from

£53

Popular in

May

Cheapest in

October

Average price

£128
Hawaiian Airlines
  • Hawaiian Airlines
  • 21/5-28/5
  • Nonstop
  • 1h 44m total
  • Seattle to Portland
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Delta
  • Delta
  • 3/6
  • Nonstop
  • 1h 06m total
  • Seattle to Portland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£8 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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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 12 April 2025.

Wed 21/506:30SEA - PDX
Nonstop0h 48mHawaiian Airlines
Wed 28/514:30PDX - SEA
Nonstop0h 56mHawaiian Airlines
Deal found 11/4£100
Wed 7/508:00SEA - PDX
Nonstop0h 57mAlaska Airlines
Wed 7/510:35PDX - SEA
Nonstop0h 59mAlaska Airlines
Deal found 11/4£100
Tue 20/507:25SEA - PDX
Nonstop1h 05mDelta
Tue 27/506:40PDX - SEA
Nonstop1h 08mDelta
Deal found 11/4£105
Wed 21/515:20SEA - PDX
1 stop25h 25mSpirit Airlines
Wed 28/513:37PDX - SEA
1 stop10h 33mSpirit Airlines
Deal found 11/4£156
Sat 26/705:30SEA - PDX
1 stop8h 25mSouthwest
Sun 10/805:55PDX - SEA
1 stop6h 30mSouthwest
Deal found 11/4£291
Wed 14/507:00SEA - PDX
2 stops14h 00mUnited Airlines
Tue 20/507:54PDX - SEA
1 stop17h 05mUnited Airlines
Deal found 11/4£351
Wed 21/518:33SEA - PDX
3 stops22h 12mMultiple Airlines
Wed 28/517:40PDX - SEA
3 stops29h 05mMultiple Airlines
Deal found 11/4£474

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 12 April 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 21/5

06:30-07:18

Nonstop0h 48m

Portland

Wed 28/5

14:30-15:26

Nonstop0h 56m

£100

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Wed 7/5

08:00-08:57

Nonstop0h 57m

Portland

Wed 7/5

10:35-11:34

Nonstop0h 59m

£100

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Tue 20/5

07:25-08:30

Nonstop1h 05m

Portland

Tue 27/5

06:40-07:48

Nonstop1h 08m

£105

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Wed 21/5

15:20-16:45

1 stop25h 25m

Portland

Wed 28/5

13:37-00:10

1 stop10h 33m

£156

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Sat 26/7

05:30-13:55

1 stop8h 25m

Portland

Sun 10/8

05:55-12:25

1 stop6h 30m

£291

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Wed 14/5

07:00-21:00

2 stops14h 00m

Portland

Tue 20/5

07:54-00:59

1 stop17h 05m

£351

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Wed 21/5

18:33-16:45

3 stops22h 12m

Portland

Wed 28/5

17:40-22:45

3 stops29h 05m

£474

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Tue 3/6

11:35-12:41

Nonstop1h 06m

£53

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Wed 14/5

09:55-19:20

2 stops9h 25m

£113

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Thu 3/7

00:20-15:14

1 stop14h 54m

£256

Flights are sorted by cheapest return flights first.

Deals found on 12/4

Showing 1-10 of 11 results
1
2

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 return 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 return flight from Seattle to Portland. Price data was last updated on 4 April 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, January is the cheapest month in which you can book a flight from Seattle to Portland (average of £736). Flying from Seattle to Portland in July is currently the most expensive (average of £1,048). 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 12 April 2025.

When flying from Seattle to Portland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 12 April 2025.

The most flights from SEA to PDX are scheduled on a Friday (75 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (50 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 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 12 April 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Seattle to Portland to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
9,859 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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
9,859 reviews
Alaska Airlines
8.0
Very Good
9,859 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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
4,277 reviews
Alaska Airlines
8.0
Very Good
9,859 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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
7,912 reviews
Alaska Airlines
8.0
Very Good
9,859 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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
2,366 reviews
Alaska Airlines
8.0
Very Good
9,859 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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
8,644 reviews
Alaska Airlines
8.0
Very Good
9,859 reviews
Check prices

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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.

  • How popular is this Seattle to Portland flight route?

    This flight path from Seattle/Tacoma Intl to Portland was viewed by 5 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?

    Hawaiian Airlines, at £100, was found to be the cheapest airline from Seattle to Portland.Alternate airlines flying return to your destination include Alaska Airlines and Delta. Users have found that Hawaiian Airlines is 30% cheaper than the other options available to this destination.

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

    £53 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from £113 and £256, respectively.

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

    Before booking your flight to Portland from Seattle, check out the most reliable airlines to get you to your destination on time: Air France (94%), Virgin Atlantic (92%), KLM( 91%).

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Seattle to Portland (average of £736). Flying from Seattle to Portland in July is currently the most expensive (average of £1,048). 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

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