$106+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PDX
Sep 8 — Sep 151
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Portland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Portland
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Best
Last-minute
One-way
Cheapest flights from Seattle to PortlandExplore 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 August 9, 2026.
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 August 9, 2026.
This SmartFares deal was found by Cheapflights users on 8/5. 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.
Tue 9/227:08 am -
Nonstop1h 10m
Sat 9/268:14 am -
Nonstop0h 56m
Deal found 8/5![Alaska Airlines logo]()
$177
This SmartFares deal was found by Cheapflights users on 8/4. 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 9/511:59 am -
Nonstop1h 11m
Sun 9/65:41 pm -
Nonstop1h 10m
Deal found 8/4![Alaska Airlines logo]()
$182
This Trip.com deal was found by Cheapflights users on 8/9. 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.
Tue 9/158:59 pm -
Nonstop1h 02m
Tue 9/225:41 pm -
Nonstop1h 10m
Deal found 8/9![Alaska Airlines logo]()
$191
This Trip.com deal was found by Cheapflights users on 8/9. 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.
Sat 9/1212:30 pm -
Nonstop1h 07m
Sat 9/195:41 pm -
Nonstop1h 10m
Deal found 8/9![Alaska Airlines logo]()
$194
This Delta deal was found by Cheapflights users on 8/7. 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 9/1210:35 am -
Nonstop1h 11m
Sat 9/193:21 pm -
Nonstop1h 14m
Deal found 8/7![Delta logo]()
$197
This Trip.com deal was found by Cheapflights users on 8/8. 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.
Sat 9/121:30 pm -
Nonstop1h 00m
Sun 9/137:09 am -
Nonstop1h 15m
Deal found 8/8![Alaska Airlines logo]()
$204
This Delta deal was found by Cheapflights users on 8/4. 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 9/51:33 pm -
Nonstop1h 12m
Sun 9/65:30 am -
Nonstop1h 07m
Deal found 8/4![Delta logo]()
$207
Best flights from Seattle to PortlandDiscover carefully curated flight deals from Seattle to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 9, 2026.
Discover carefully curated flight deals from Seattle to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 9, 2026.
This Delta deal was found by Cheapflights users on 8/4. 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 9/1210:35 am -
Nonstop1h 11m
Sat 9/193:21 pm -
Nonstop1h 14m
Deal found 8/4![Delta logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 8/5. 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 10/148:40 am -
Nonstop1h 07m
Sat 10/177:09 am -
Nonstop1h 16m
Deal found 8/5![Alaska Airlines logo]()
$197
This Alaska Airlines deal was found by Cheapflights users on 8/4. 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.
Sat 9/1212:30 pm -
Nonstop1h 07m
Sat 9/199:32 pm -
Nonstop1h 07m
Deal found 8/4![Alaska Airlines logo]()
$197
This Delta deal was found by Cheapflights users on 8/4. 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 9/51:33 pm -
Nonstop1h 12m
Sun 9/65:30 am -
Nonstop1h 07m
Deal found 8/4![Delta logo]()
$207
This Delta deal was found by Cheapflights users on 8/7. 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 9/48:59 pm -
Nonstop1h 03m
Sun 9/612:25 pm -
Nonstop1h 10m
Deal found 8/7![Delta logo]()
$252
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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.
Sat 9/58:49 pm -
1 stop12h 41m
Sat 9/129:32 pm -
Nonstop1h 07m
Deal found 8/8![Alaska Airlines logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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.
Sat 9/1210:50 pm -
1 stop9h 11m
Sun 9/1311:48 am -
Nonstop1h 02m
Deal found 8/8![Alaska Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 8/7. 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 10/56:55 pm -
Nonstop1h 07m
Tue 10/278:44 pm -
Nonstop1h 16m
Deal found 8/7![Delta logo]()
$347
This Delta deal was found by Cheapflights users on 8/5. 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 8/227:25 am -
Nonstop1h 11m
Sun 8/237:05 am -
Nonstop1h 12m
Deal found 8/5![Delta logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 8/4. 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 8/193:50 pm -
Nonstop0h 59m
Wed 8/197:40 pm -
Nonstop0h 55m
Deal found 8/4![Alaska Airlines logo]()
$402
Last-minute flights from Seattle to PortlandDiscover last-minute flight deals from Seattle to Portland. Data last updated August 9, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Portland. Data last updated August 9, 2026 and is based on user searches.
This iWofly deal was found by Cheapflights users on 8/4. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:42 am -
Nonstop0h 55m
Sun 8/96:19 am -
Nonstop0h 58m
Deal found 8/4![Alaska Airlines logo]()
$193
This SmartFares deal was found by Cheapflights users on 8/4. 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 9/511:59 am -
Nonstop1h 11m
Sun 9/65:41 pm -
Nonstop1h 10m
Deal found 8/4![Alaska Airlines logo]()
$182
This Orbitz deal was found by Cheapflights users on 8/7. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:51 pm -
Nonstop0h 59m
Sat 9/193:00 pm -
Nonstop0h 59m
Deal found 8/7![Alaska Airlines logo]()
$200
This CheapTickets deal was found by Cheapflights users on 8/5. 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 9/196:51 pm -
Nonstop0h 59m
Sat 9/2610:45 am -
Nonstop1h 13m
Deal found 8/5![Alaska Airlines logo]()
$191
This SmartFares deal was found by Cheapflights users on 8/5. 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.
Tue 9/227:08 am -
Nonstop1h 10m
Sat 9/268:14 am -
Nonstop0h 56m
Deal found 8/5![Alaska Airlines logo]()
$177
This Delta deal was found by Cheapflights users on 8/7. 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 9/228:59 pm -
Nonstop1h 03m
Sat 9/2612:34 pm -
Nonstop1h 11m
Deal found 8/7![Delta logo]()
$197
One-way flights from Seattle to PortlandSearch for one-way flight options from Seattle to Portland. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.
Search for one-way flight options from Seattle to Portland. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:15 pm -
1 stop13h 52m
Deal found 8/7![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:25 pm -
1 stop16h 14m
Deal found 8/8![Frontier logo]()
$111
This Trip.com deal was found by Cheapflights users on 8/6. 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 9/97:25 pm -
1 stop14h 42m
Deal found 8/6![Frontier logo]()
$113
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:15 pm -
1 stop13h 52m
Deal found 8/5![Frontier logo]()
$117
This Delta deal was found by Cheapflights users on 8/4. 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.
Wed 9/24:06 pm -
Nonstop1h 08m
Deal found 8/4![Delta logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:37 pm -
1 stop26h 34m
Deal found 8/4![Frontier logo]()
$124
This Trip.com deal was found by Cheapflights users on 8/7. 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.
Tue 9/2212:30 pm -
Nonstop1h 07m
Deal found 8/7![Alaska Airlines logo]()
$126
This Trip.com deal was found by Cheapflights users on 8/6. 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.
Tue 9/87:08 am -
Nonstop1h 10m
Deal found 8/6![Alaska Airlines logo]()
$127
This SmartFares deal was found by Cheapflights users on 8/4. 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.
Thu 9/173:51 pm -
Nonstop0h 59m
Deal found 8/4![Alaska Airlines logo]()
$128
Find 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 August 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $177 (SmartFares) |
One-way from | $106 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $200 |
Good round-trip deal | $357 or less |
Good one-way deal | $209 or less |
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 August 9, 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
Cheapest round-trip
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Sat 9/12
10:35 am-11:46 am
Nonstop1h 11m
Portland
Sat 9/19
3:21 pm-4:35 pm
Nonstop1h 14m
$197
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Wed 10/14
8:40 am-9:47 am
Nonstop1h 07m
Portland
Sat 10/17
7:09 am-8:25 am
Nonstop1h 16m
$197
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Sat 9/12
12:30 pm-1:37 pm
Nonstop1h 07m
Portland
Sat 9/19
9:32 pm-10:39 pm
Nonstop1h 07m
$197
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Sat 9/5
1:33 pm-2:45 pm
Nonstop1h 12m
Portland
Sun 9/6
5:30 am-6:37 am
Nonstop1h 07m
$207
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Fri 9/4
8:59 pm-10:02 pm
Nonstop1h 03m
Portland
Sun 9/6
12:25 pm-1:35 pm
Nonstop1h 10m
$252
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Sat 9/5
8:49 pm-9:30 am
1 stop12h 41m
Portland
Sat 9/12
9:32 pm-10:39 pm
Nonstop1h 07m
$270
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Sat 9/12
10:50 pm-8:01 am
1 stop9h 11m
Portland
Sun 9/13
11:48 am-12:50 pm
Nonstop1h 02m
$283
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Mon 10/5
6:55 pm-8:02 pm
Nonstop1h 07m
Portland
Tue 10/27
8:44 pm-10:00 pm
Nonstop1h 16m
$347
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Sat 8/22
7:25 am-8:36 am
Nonstop1h 11m
Portland
Sun 8/23
7:05 am-8:17 am
Nonstop1h 12m
$347
Quickest round-trip
SeattlePortland
SEA Seattle/Tacoma Intl - PDX Portland
SEAPDX
Seattle/Tacoma Intl
Wed 8/19
3:50 pm-4:49 pm
Nonstop0h 59m
Portland
Wed 8/19
7:40 pm-8:35 pm
Nonstop0h 55m
$402
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Seattle to Portland
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Portland in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Portland flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Portland flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
SEA-PDX
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
Prices
Airlines
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 $99). Flying from Seattle to Portland in June is currently the most expensive (average of $406). 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 August 9, 2026.
It’s typically best to fly out from Seattle to Portland in the morning. Doing so could potentially save you 25% on the flight price compared to flying at noon, 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 August 8, 2026.
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. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Seattle to Portland flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Portland trip
Our travel experts
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 August 9, 2026.
See what other customers who have flown with Alaska Airlines and Delta from Seattle to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsBeaverton
Seaside
Lincoln City
Durham
Longview
Lake Oswego
Hillsboro
Vancouver
Kelso
Clackamas
Troutdale
Cannon Beach
McMinnville
The Dalles
Wilsonville
Stevenson
Tillamook
Astoria
Gresham
Silverton
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Seattle and Portland flights
Browse other Seattle and Portland flight options. Last updated on August 9, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on August 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 9, 2026.
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 August 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$79 | Average$182 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$98 | Average$230 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$249 | Average$425 | FlexibilityNo cancel fee | On-timeN/A |