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Cheap flights from Portland to Seattle from $67

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Seattle departing on 11/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:00 am - 7:07 amPDX-SEA
1h 07mnonstop
Alaska Airlines Logo
5:20 am - 6:17 amSEA-PDX
0h 57mnonstop
$87Alaska Airlines
Find Deal
Sat, Nov 1 - Sun, Nov 2
Alaska Airlines Logo
7:30 am - 8:39 amPDX-SEA
1h 09mnonstop
Alaska Airlines Logo
9:35 am - 10:32 amSEA-PDX
0h 57mnonstop
$90Alaska Airlines
Find Deal
Sat, Nov 1 - Sun, Nov 2
Alaska Airlines Logo
3:50 pm - 4:59 pmPDX-SEA
1h 09mnonstop
Alaska Airlines Logo
8:00 am - 9:06 amSEA-PDX
1h 06mnonstop
$98Alaska Airlines
Find Deal
Sat, Nov 8 - Sun, Nov 9
Alaska Airlines Logo
7:30 am - 8:39 amPDX-SEA
1h 09mnonstop
Alaska Airlines Logo
5:20 am - 6:17 amSEA-PDX
0h 57mnonstop
$99Alaska Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Delta Logo
5:30 am - 6:40 amPDX-SEA
1h 10mnonstop
Delta Logo
7:26 am - 8:37 amSEA-PDX
1h 11mnonstop
$101Delta
Find Deal
Sat, Nov 1 - Sun, Nov 2
Delta Logo
5:30 am - 6:39 amPDX-SEA
1h 09mnonstop
Delta Logo
9:43 am - 10:55 amSEA-PDX
1h 12mnonstop
$127Delta
Find Deal
Sat, Nov 22 - Sun, Nov 23
Hawaiian Airlines Logo
11:57 am - 2:32 pmPDX-SEA
2h 35m1 stop
Hawaiian Airlines Logo
7:40 pm - 8:37 pmSEA-PDX
0h 57mnonstop
$143Hawaiian Airlines
Find Deal
Sat, Nov 1 - Sun, Nov 2
Hawaiian Airlines Logo
11:57 am - 2:32 pmPDX-SEA
2h 35m1 stop
Hawaiian Airlines Logo
8:00 am - 9:06 amSEA-PDX
1h 06mnonstop
$144Hawaiian Airlines
Find Deal
Sat, Nov 1 - Sun, Nov 2
Multiple Airlines Logo
10:52 am - 5:03 pmPDX-SEA
6h 11m1 stop
Multiple Airlines Logo
10:05 am - 11:02 amSEA-PDX
0h 57mnonstop
$179Multiple Airlines
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Thu, Nov 20 - Thu, Nov 27
Frontier Logo
10:34 am - 5:44 pmPDX-SEA
7h 10m1 stop
Frontier Logo
8:43 pm - 11:48 amSEA-PDX
15h 05m1 stop
$264Frontier
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Mon, Oct 20 - Fri, Oct 24

Alaska Airlines flights from Portland to Seattle

Our best Alaska Airlines deals on Portland to Seattle flight tickets
Alaska Airlines
Nov 1
PDX6:00 amPortland
1h 07m
SEA7:07 amSeattle/Tacoma Intl
Nov 2
SEA5:20 amSeattle/Tacoma Intl
0h 57m
PDX6:17 amPortland
$87
Find similar
Alaska Airlines
Nov 1
PDX7:30 amPortland
1h 09m
SEA8:39 amSeattle/Tacoma Intl
Nov 2
SEA9:35 amSeattle/Tacoma Intl
0h 57m
PDX10:32 amPortland
$90
Find similar
Alaska Airlines
Nov 8
PDX3:50 pmPortland
1h 09m
SEA4:59 pmSeattle/Tacoma Intl
Nov 9
SEA8:00 amSeattle/Tacoma Intl
1h 06m
PDX9:06 amPortland
$98
Find similar

Delta flights from Portland to Seattle

Our best Delta deals on Portland to Seattle flight tickets
Delta
Nov 1
PDX5:30 amPortland
1h 10m
SEA6:40 amSeattle/Tacoma Intl
Nov 2
SEA7:26 amSeattle/Tacoma Intl
1h 11m
PDX8:37 amPortland
$101
Find similar
Delta
Nov 22
PDX5:30 amPortland
1h 09m
SEA6:39 amSeattle/Tacoma Intl
Nov 23
SEA9:43 amSeattle/Tacoma Intl
1h 12m
PDX10:55 amPortland
$127
Find similar
Delta
Dec 21
PDX7:00 amPortland
1h 16m
SEA8:16 amSeattle/Tacoma Intl
Dec 28
SEA7:25 amSeattle/Tacoma Intl
1h 13m
PDX8:38 amPortland
$137
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Seattle 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, momondo users made 832,500 searches. Data last updated October 6, 2025.
Use the filters below to find and compare flights from Portland to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Sat 11/1

6:00 am-7:07 am

Nonstop1h 07m

Seattle/Tacoma Intl

Sun 11/2

5:20 am-6:17 am

Nonstop0h 57m

$87

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Sat 11/1

7:30 am-8:39 am

Nonstop1h 09m

Seattle/Tacoma Intl

Sun 11/2

9:35 am-10:32 am

Nonstop0h 57m

$90

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Sat 11/8

3:50 pm-4:59 pm

Nonstop1h 09m

Seattle/Tacoma Intl

Sun 11/9

8:00 am-9:06 am

Nonstop1h 06m

$98

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Sat 11/1

7:30 am-8:39 am

Nonstop1h 09m

Seattle/Tacoma Intl

Sat 11/8

5:20 am-6:17 am

Nonstop0h 57m

$99

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Sat 11/1

5:30 am-6:40 am

Nonstop1h 10m

Seattle/Tacoma Intl

Sun 11/2

7:26 am-8:37 am

Nonstop1h 11m

$101

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Sat 11/22

5:30 am-6:39 am

Nonstop1h 09m

Seattle/Tacoma Intl

Sun 11/23

9:43 am-10:55 am

Nonstop1h 12m

$127

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Sat 11/1

11:57 am-2:32 pm

1 stop2h 35m

Seattle/Tacoma Intl

Sun 11/2

7:40 pm-8:37 pm

Nonstop0h 57m

$143

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Sat 11/1

11:57 am-2:32 pm

1 stop2h 35m

Seattle/Tacoma Intl

Sun 11/2

8:00 am-9:06 am

Nonstop1h 06m

$144

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Thu 11/20

10:52 am-5:03 pm

1 stop6h 11m

Seattle/Tacoma Intl

Thu 11/27

10:05 am-11:02 am

Nonstop0h 57m

$179

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Mon 10/20

10:34 am-5:44 pm

1 stop7h 10m

Seattle/Tacoma Intl

Fri 10/24

8:43 pm-11:48 am

1 stop15h 05m

$264

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Portland to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Portland to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $158. If you don’t want to visit Seattle in January, then you should wait until September to fly from Portland, when ticket prices are also cheap, with an average price of $177.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Portland is on a Thursday. momondo users have found tickets for Thursday departures for as low as $767. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Portland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $913.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Portland in the evening is the least expensive time of day to depart. momondo users have found prices as low as $754 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $1,068. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Portland to Seattle/Tacoma Intl flight route?

Fly from Portland to Seattle/Tacoma Intl for the best Portland - Seattle/Tacoma Intl flight prices

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

You are more likely to see cheaper flights to Seattle from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $220 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Portland for as low as $154 on momondo.

What cabin class options are available on Portland to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Portland to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Portland to Seattle flight prices changed over time?

As of October 2025, prices for Portland to Seattle flights are approximately 55% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Seattle (PDX to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Seattle

Best Price Found

$194

Fastest flight time

0h 53m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Portland in the past 72 hours is $194. The best round-trip flight deal from Portland to Seattle found on momondo in the last 72 hours is $499.
The fastest flight from Portland to Seattle takes 0h 53m
Direct flights go from Portland to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

  • Is flying the cheapest way to get from Portland to Seattle?

    A bus from Portland to Seattle is currently going to be the least expensive option currently available. You can also find deals for a flight from Portland to Seattle starting at $87, or consider a train from Portland to Seattle starting at $79. Both of these alternative options are worth considering when looking to reach your destination.

  • How far is Portland to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 145.2 mi away from Portland. A reasonable flight in good conditions will take 0h 53m.

  • When did momondo last update prices for flights from Portland Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Portland Airport to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Portland Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Portland Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Portland to Seattle?

  • What is the most popular airline from Portland to Seattle?

Best airlines flying from Portland to Seattle

Compare and see reviews for airlines that fly from Portland to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $88Free CancellationRating
7.9
7,967 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $103Free CancellationRating
7.8
2,772 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $136Free CancellationRating
8.0
11,027 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Portland to Seattle

    Alaska Airlines is one of the most popular airlines flying from Portland to Seattle, operating 56 flights/week on average for this route. A good Alaska Airlines flight deal for Portland to Seattle starts from $136 round-trip, up to an average price of $226. Our users have rated Alaska Airlines at 8.0/10.

  • Delta Flights From Portland to Seattle

    $88 is the best Delta flight deal from Portland to Seattle found on momondo over the last 72 hours. The average Delta ticket price found was closer to $187, however, with flight time and availability significantly affecting the price. Delta (7.9/10 from 7,967 user reviews) flies into Seattle from Portland 18 times in an average week so prices can vary.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Federal Way
Tukwila
Kirkland
Fife
Centralia
Lakewood
Shoreline
Cle Elum
Redmond
Westport

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Seattle with flexible booking policies on momondo?

Yes. All flights to Seattle from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Portland to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Portland to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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