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$77+ Cheap flights from Oregon to Seattle (SEA)

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SEA
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
1 adult, Economy
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Cheap flight deals from Oregon to Seattle

Cheapest flights from Oregon to Seattle
Explore the most affordable flight options available from Oregon to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.

This SmartFares deal was found by Cheapflights users on 7/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:09 am
PDX
-
SEA
Nonstop1h 15m
Alaska Airlines
Sun 9/208:35 am
SEA
-
PDX
Nonstop1h 05m
Alaska Airlines
Deal found 7/30$145
This CheapTickets deal was found by Cheapflights users on 7/30. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:30 pm
PDX
-
SEA
Nonstop1h 04m
Alaska Airlines
Tue 11/178:58 pm
SEA
-
PDX
Nonstop0h 57m
Alaska Airlines
Deal found 7/30$149
This Delta deal was found by Cheapflights users on 7/30. 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.
Tue 12/18:15 am
BOI
-
SEA
Nonstop1h 58m
Delta
Sat 12/57:50 pm
SEA
-
BOI
Nonstop1h 36m
Delta
Deal found 7/30$157
This Delta deal was found by Cheapflights users on 7/30. 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.
Sat 9/1212:32 pm
EUG
-
SEA
Nonstop1h 27m
Delta
Sat 9/199:35 pm
SEA
-
EUG
Nonstop1h 24m
Delta
Deal found 7/30$157
This Delta deal was found by Cheapflights users on 7/30. 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.
Fri 9/1112:34 pm
PDX
-
SEA
Nonstop1h 11m
Delta
Mon 9/148:59 pm
SEA
-
PDX
Nonstop1h 03m
Delta
Deal found 7/30$157
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 9/96:49 pm
BOI
-
SEA
1 stop25h 03m
Alaska Airlines
Thu 9/109:18 pm
SEA
-
BOI
Nonstop1h 26m
Alaska Airlines
Deal found 7/30$162
This SmartFares deal was found by Cheapflights users on 8/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:07 am
PDX
-
SEA
Nonstop0h 53m
Alaska Airlines
Sat 9/191:30 pm
SEA
-
PDX
Nonstop1h 00m
Alaska Airlines
Deal found 8/2$164
This Delta deal was found by Cheapflights users on 7/30. 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.
Sat 8/298:59 am
BOI
-
SEA
Nonstop1h 50m
Delta
Sun 8/307:15 am
SEA
-
BOI
Nonstop1h 40m
Delta
Deal found 7/30$167
This Delta deal was found by Cheapflights users on 7/30. 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.
Mon 8/315:43 pm
EUG
-
SEA
Nonstop1h 21m
Delta
Tue 9/13:40 pm
SEA
-
EUG
Nonstop1h 23m
Delta
Deal found 7/30$167
This Trip.com deal was found by Cheapflights users on 8/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:00 pm
PDX
-
SEA
Nonstop0h 59m
Alaska Airlines
Wed 9/231:30 pm
SEA
-
PDX
Nonstop1h 00m
Alaska Airlines
Deal found 8/2$174
This Priceline deal was found by Cheapflights users on 7/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:00 am
PDX
-
SEA
Nonstop1h 02m
Alaska Airlines
Sat 12/58:03 am
SEA
-
PDX
1 stop5h 40m
Alaska Airlines
Deal found 7/30$176
This Delta deal was found by Cheapflights users on 7/30. 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.
Sat 8/291:52 pm
RDM
-
SEA
Nonstop1h 29m
Delta
Tue 9/15:25 pm
SEA
-
RDM
Nonstop1h 20m
Delta
Deal found 7/30$177

Find flight deals from Oregon to Seattle

Keep the following information in mind while searching for Oregon to Seattle flight deals. Data was last updated August 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$145
(SmartFares)

One-way from

$77
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$262

Good round-trip deal

$279 or less

Good one-way deal

$196 or less
Provider with most accurate pricing for Portland-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Seattle/Tacoma Intl flights.
Search Deals
From Oregon to Seattle/Tacoma Intl
Search Deals
One-way flight from Oregon to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Oregon to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Oregon to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon 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, Cheapflights users made 2,558,603 searches. Data last updated August 4, 2026.
Use the filters below to find and compare flights from Oregon to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

EugeneSeattle

EUG - SEA

EUGSEA

Eugene

Sat 9/12

12:32 pm-1:59 pm

Nonstop1h 27m

Seattle/Tacoma Intl

Sat 9/19

9:35 pm-10:59 pm

Nonstop1h 24m

$157

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Fri 11/6

9:30 pm-10:34 pm

Nonstop1h 04m

Seattle/Tacoma Intl

Sun 11/8

7:55 pm-8:50 pm

Nonstop0h 55m

$157

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Fri 9/11

12:34 pm-1:45 pm

Nonstop1h 11m

Seattle/Tacoma Intl

Mon 9/14

8:59 pm-10:02 pm

Nonstop1h 03m

$157

PortlandSeattle

PDX - SEA

PDXSEA

Portland

Wed 9/16

7:09 am-8:24 am

Nonstop1h 15m

Seattle/Tacoma Intl

Sat 9/19

3:51 pm-4:50 pm

Nonstop0h 59m

$177

RedmondSeattle

RDM - SEA

RDMSEA

Bend/Redmond

Wed 9/9

7:24 pm-8:50 pm

Nonstop1h 26m

Seattle/Tacoma Intl

Wed 9/16

9:45 pm-11:08 pm

Nonstop1h 23m

$177

EugeneSeattle

EUG - SEA

EUGSEA

Eugene

Mon 9/28

12:32 pm-1:59 pm

Nonstop1h 27m

Seattle/Tacoma Intl

Fri 10/2

10:40 pm-11:59 pm

Nonstop1h 19m

$177

RedmondSeattle

RDM - SEA

RDMSEA

Bend/Redmond

Sat 9/12

6:04 am-7:20 am

Nonstop1h 16m

Seattle/Tacoma Intl

Fri 9/25

11:23 am-12:40 pm

Nonstop1h 17m

$187

EugeneSeattle

EUG - SEA

EUGSEA

Eugene

Wed 9/16

7:35 pm-8:52 pm

Nonstop1h 17m

Seattle/Tacoma Intl

Sat 9/19

3:52 pm-5:08 pm

Nonstop1h 16m

$187

RedmondSeattle

RDM - SEA

RDMSEA

Bend/Redmond

Tue 9/29

1:44 pm-3:10 pm

Nonstop1h 26m

Seattle/Tacoma Intl

Sun 10/4

11:40 am-1:04 pm

Nonstop1h 24m

$187

EugeneSeattle

EUG - SEA

EUGSEA

Eugene

Wed 9/16

6:04 am-7:35 am

Nonstop1h 31m

Seattle/Tacoma Intl

Wed 9/23

10:40 pm-11:59 pm

Nonstop1h 19m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Oregon to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Oregon 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 Oregon to Seattle

What is the cheapest month to book a flight from Oregon to Seattle?

Currently, April is the cheapest month in which you can book a flight from Oregon to Seattle (average of $151). Flying from Oregon to Seattle in June is currently the most expensive (average of $296). 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 OR to SEA?

Find hourly flight availability from Oregon to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 4, 2026.

One of the essential ways to save on airfare from Oregon to Seattle is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 17% on airfare.

Weekly flight availability from Oregon to Seattle

Explore weekly flight availability from Oregon to Seattle. 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 August 4, 2026.

The most flights from USOR to SEA are scheduled on a Sunday (59 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (25 on average).

How much does it cost to fly round-trip from Oregon to Seattle?

Airfare is below average for this route at the moment.
Oregon to Seattle flights typically cost between $217 and $362 in September.
The cheapest round-trip price found within the last 5 days was $145 on Alaska Airlines (Sep 13-Sep 20).

How far ahead should I book a flight from Oregon to Seattle?

The best time to book flights from Oregon to Seattle is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from Oregon to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Oregon to Seattle. Price data was last updated on August 1, 2026.

Travelers seeking maximum savings on their Oregon to Seattle flight should consider departing on Friday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Oregon to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Oregon?

    For a flight from Oregon to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

  • How popular is this Oregon to Seattle flight route?

    The Oregon to Seattle/Tacoma Intl flight path was viewed by 109 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Oregon to Seattle?

    Delta and Alaska Airlines can get you from Oregon to Seattle in just under 1h 15m. Your travel time will be generally consistent. Oregon and Seattle are separated by a distance of 129 mi. Generally, flights for this route are nonstop.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $59. Alaska Airlines flights start at $68 while deals on Hawaiian Airlines start at $78 one-way.

  • What are the most popular routes from Oregon to Seattle?

    Most travelers choose Boise Air Term. Gowen Fld - Seattle/Tacoma Intl, Bend/Redmond - Seattle/Tacoma Intl or Portland - Seattle/Tacoma Intl when deciding on the best route from Oregon to Seattle.

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

    No one likes to see their flight delayed. When booking a flight from Oregon to Seattle consider choosing Sun Country Air (100%), Aeromexico (93%) or WestJet (89%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Oregon to Seattle?

    Looking at all options, your cheapest flight can be booked for $137. While the most popular route (Boise Air Term. Gowen Fld - Seattle/Tacoma Intl) can be booked for $197 on average, our data indicates $1,629 when flying from Oregon to Seattle.

  • Can I find deals for flights from Oregon to Seattle that include hotel bookings?

    Yes. In addition to deals on Oregon to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Seattle.

  • Can I find deals for business class flights from Oregon to Seattle?

    Yes. Cheapflights offers flight deals from Oregon to Seattle 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 Oregon to Seattle?

    Currently, April is the cheapest month in which you can book a flight from Oregon to Seattle (average of $151). Flying from Oregon to Seattle in June is currently the most expensive (average of $296). 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
SeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Tumwater
Centralia
Marysville
Puyallup
Kent
Ellensburg
Fife
Ocean Shores
Lakewood
Lynnwood
Poulsbo

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Top 4 airlines flying from Oregon to Seattle

Discover the top 4 airlines that operate flights from Oregon to Seattle. 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 August 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$58Average$167FlexibilityNo cancel feeOn-time85%
DeltaCheapest$79Average$209FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$97Average$229FlexibilityNo cancel feeOn-time75%
Air ExcursionsCheapest$295Average$548FlexibilityNo cancel feeOn-timeN/A

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