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Cheap flights from Seattle to Portland from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Portland departing on 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:15 am - 8:10 am
SEA
-
PDX
0h 55mnonstop
Alaska Airlines Logo
9:00 am - 10:06 am
PDX
-
SEA
1h 06mnonstop
$113Alaska Airlines
Thu, Mar 19 - Wed, Apr 1
Delta Logo
7:15 am - 8:25 am
SEA
-
PDX
1h 10mnonstop
Delta Logo
7:32 pm - 8:50 pm
PDX
-
SEA
1h 18mnonstop
$117Delta
Thu, Apr 23 - Thu, Apr 30
Delta Logo
9:45 pm - 10:48 pm
SEA
-
PDX
1h 03mnonstop
Delta Logo
5:30 am - 6:38 am
PDX
-
SEA
1h 08mnonstop
$157Delta
Sat, Feb 21 - Sat, Feb 28
Hawaiian Airlines Logo
7:45 am - 8:49 am
SEA
-
PDX
1h 04mnonstop
Hawaiian Airlines Logo
8:30 am - 9:37 am
PDX
-
SEA
1h 07mnonstop
$158Hawaiian Airlines
Sat, Feb 21 - Sun, Feb 22
Delta Logo
7:25 am - 8:31 am
SEA
-
PDX
1h 06mnonstop
Delta Logo
7:43 pm - 8:55 pm
PDX
-
SEA
1h 12mnonstop
$167Delta
Thu, Mar 5 - Tue, Mar 10
Alaska Airlines Logo
7:45 am - 8:49 am
SEA
-
PDX
1h 04mnonstop
Alaska Airlines Logo
8:30 am - 9:37 am
PDX
-
SEA
1h 07mnonstop
$177Alaska Airlines
Fri, Mar 6 - Sun, Mar 8
Hawaiian Airlines Logo
9:40 pm - 10:41 pm
SEA
-
PDX
1h 01mnonstop
Hawaiian Airlines Logo
1:35 pm - 2:38 pm
PDX
-
SEA
1h 03mnonstop
$193Hawaiian Airlines
Wed, Mar 11 - Wed, Mar 18
Delta Logo
9:30 am - 10:32 am
SEA
-
PDX
1h 02mnonstop
Delta Logo
3:59 pm - 5:00 pm
PDX
-
SEA
1h 01mnonstop
$197Delta
Sat, Feb 21 - Sat, Feb 21
Alaska Airlines Logo
7:45 am - 8:49 am
SEA
-
PDX
1h 04mnonstop
Alaska Airlines Logo
7:25 am - 7:40 pm
PDX
-
SEA
12h 15m
1 stop
$200Alaska Airlines
Tue, Feb 24 - Tue, Mar 3
Alaska Airlines Logo
8:40 pm - 11:47 am
SEA
-
PDX
15h 07m
1 stop
Alaska Airlines Logo
7:25 am - 7:40 pm
PDX
-
SEA
12h 15m
1 stop
$203Alaska Airlines
Tue, Feb 24 - Tue, Mar 3

Frontier flights from Seattle to Portland

Our best Frontier deals on Seattle to Portland flight tickets
Frontier
Apr 23
SEA4:20 pmSeattle/Tacoma Intl
18h 43m
1 stop
PDX11:03 amPortland
Apr 30
PDX11:48 amPortland
27h 17m
1 stop
SEA3:05 pmSeattle/Tacoma Intl
$223
Frontier
Apr 23
SEA6:57 pmSeattle/Tacoma Intl
16h 06m
1 stop
PDX11:03 amPortland
Apr 30
PDX11:48 amPortland
27h 17m
1 stop
SEA3:05 pmSeattle/Tacoma Intl
$237
Frontier
Apr 23
SEA4:20 pmSeattle/Tacoma Intl
18h 43m
1 stop
PDX11:03 amPortland
Apr 30
PDX9:53 amPortland
29h 12m
2 stops
SEA3:05 pmSeattle/Tacoma Intl
$244

Delta flights from Seattle to Portland

Our best Delta deals on Seattle to Portland flight tickets
Delta
Apr 23
SEA9:00 amSeattle/Tacoma Intl
1h 05m
PDX10:05 amPortland
Apr 30
PDX7:32 pmPortland
1h 18m
SEA8:50 pmSeattle/Tacoma Intl
$117
Delta
Feb 21
SEA9:45 pmSeattle/Tacoma Intl
1h 03m
PDX10:48 pmPortland
Feb 28
PDX5:30 amPortland
1h 08m
SEA6:38 amSeattle/Tacoma Intl
$157
Delta
Mar 5
SEA7:25 amSeattle/Tacoma Intl
1h 06m
PDX8:31 amPortland
Mar 10
PDX7:43 pmPortland
1h 12m
SEA8:55 pmSeattle/Tacoma Intl
$167

momondo 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, momondo users made 832,500 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Seattle to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Thu 3/19

7:15 am-8:10 am

Nonstop0h 55m

Portland

Wed 4/1

9:00 am-10:06 am

Nonstop1h 06m

$113

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Thu 4/23

7:15 am-8:25 am

Nonstop1h 10m

Portland

Thu 4/30

7:32 pm-8:50 pm

Nonstop1h 18m

$117

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Sat 2/21

9:45 pm-10:48 pm

Nonstop1h 03m

Portland

Sat 2/28

5:30 am-6:38 am

Nonstop1h 08m

$157

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Sat 2/21

7:45 am-8:49 am

Nonstop1h 04m

Portland

Sun 2/22

8:30 am-9:37 am

Nonstop1h 07m

$158

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Thu 3/5

7:25 am-8:31 am

Nonstop1h 06m

Portland

Tue 3/10

7:43 pm-8:55 pm

Nonstop1h 12m

$167

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Fri 3/6

7:45 am-8:49 am

Nonstop1h 04m

Portland

Sun 3/8

8:30 am-9:37 am

Nonstop1h 07m

$177

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Wed 3/11

9:40 pm-10:41 pm

Nonstop1h 01m

Portland

Wed 3/18

1:35 pm-2:38 pm

Nonstop1h 03m

$193

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Sat 2/21

9:30 am-10:32 am

Nonstop1h 02m

Portland

Sat 2/21

3:59 pm-5:00 pm

Nonstop1h 01m

$197

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Tue 2/24

7:45 am-8:49 am

Nonstop1h 04m

Portland

Tue 3/3

7:25 am-7:40 pm

1 stop12h 15m

$200

SeattlePortland

SEA - PDX

SEAPDX

Seattle/Tacoma Intl

Tue 2/24

8:40 pm-11:47 am

1 stop15h 07m

Portland

Tue 3/3

7:25 am-7:40 pm

1 stop12h 15m

$203

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 Portland from

How to get the cheapest flight ticket from Seattle to Portland

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 Portland?

The cheapest month to fly to Portland from Seattle is in January. Flight prices, which tend to average around $137, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until August to fly from Seattle, when ticket prices are also cheap, with an average price of $137.

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

The cheapest day to depart on your flight to Portland is on a Tuesday when prices can be found for as low as $307. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Saturday, with ticket prices averaging around $470.

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

The cheapest time of day to fly to Portland is at noon when flights can be purchased for as low as $317. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $419 per ticket.

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

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

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

You are more likely to see cheaper flights to Portland from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $190 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Seattle for as low as $140 on momondo.

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

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

How have Seattle to Portland flight prices changed over time?

As of January 2026, prices for Seattle to Portland flights are approximately 82% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Portland

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

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

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

Best Price Found

$184

Fastest flight time

0h 58m

Direct flights

Every day

Airports in Portland

1 airport
The best one-way flight to Portland from Seattle in the past 72 hours is $184. The best round-trip flight deal from Seattle to Portland found on momondo in the last 72 hours is $193.
The fastest flight from Seattle to Portland takes 0h 58m
Direct flights go from Seattle to Portland every day.
There is 1 airport in Portland. From Seattle there are direct flights to Portland (PDX).
Search flight deals

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

    The distance between Seattle/Tacoma Intl and Portland is about 145.2 mi. A reasonable flight in good conditions will take 0h 58m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Seattle to Portland

Compare and see reviews for airlines that fly from Seattle to Portland with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $79Free CancellationRating
7.9
8,119 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $98Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $99Free CancellationRating
8.0
11,795 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Seattle to Portland

    The lowest priced Alaska Airlines flight from Seattle to Portland from the last 72 hours was $99. Generally, Alaska Airlines has 28 flights on this route every week with an average price of $195. Alaska Airlines is rated 8.0/10 by our users.

  • Delta Flights From Seattle to Portland

    The best Delta deal for Seattle to Portland flight tickets found on momondo in the last 72 hours was $79, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $169 round-trip. Delta operates 35 flights out of Seattle into Portland in an average week, so prices vary by time and availability. 8,119 Delta reviews by users on momondo have scored the airline at 7.9/10.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
McMinnville
Tigard
Longview
Gresham
Pacific City
The Dalles
Manzanita
Newberg

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Portland for you.

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

Yes. momondo enables you to select and highlight flights to Portland from Seattle with this policy.

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

Once you have performed a search for Seattle to Portland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Seattle to Portland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Portland trip

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