$337+ Cheap flights from Pittsburgh to Seattle (PIT - BFI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — BFI
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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Find cheap flights from Pittsburgh to Seattle 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 Pittsburgh to Seattle
One-way
One-way flights from Pittsburgh to SeattleSearch for one-way flight options from Pittsburgh to Seattle. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
Search for one-way flight options from Pittsburgh to Seattle. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:28 pm -
3 stops30h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Mon 12/76:28 pm -
3 stops30h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Wed 1/206:09 pm -
3 stops31h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Sun 12/66:28 pm -
3 stops52h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Sat 12/197:29 pm -
3 stops24h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Tue 12/226:30 am -
3 stops42h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Mon 12/219:03 pm -
3 stops28h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:28 pm -
3 stops30h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$451
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/139:10 pm -
3 stops28h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Sun 12/138:00 am -
3 stops53h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$481
Find flight deals from Pittsburgh to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to Seattle (BFI). 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 November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Popular in | July |
Cheapest in | February |
Average price | $437 |
Cheapflights Fare Finder
Customize your flight search to find flights from Pittsburgh 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 7,457,451 searches. Data last updated November 10, 2026.
Use the filters below to find and compare flights from Pittsburgh to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PittsburghSeattle
PIT Pittsburgh - BFI Seattle King County/Boeing
PITBFI
Pittsburgh
Mon 12/14
6:28 pm-10:15 pm
3 stops30h 47m
Seattle King County/Boeing
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$337
PittsburghSeattle
PIT Pittsburgh - BFI Seattle King County/Boeing
PITBFI
Pittsburgh
Wed 1/20
6:09 pm-10:15 pm
3 stops31h 06m
Seattle King County/Boeing
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$358
PittsburghSeattle
PIT Pittsburgh - BFI Seattle King County/Boeing
PITBFI
Pittsburgh
Sun 12/6
6:28 pm-7:35 pm
3 stops52h 07m
Seattle King County/Boeing
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$395
Quickest round-trip
PittsburghSeattle
PIT Pittsburgh - BFI Seattle King County/Boeing
PITBFI
Pittsburgh
Sat 12/19
7:29 pm-5:10 pm
3 stops24h 41m
Seattle King County/Boeing
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$401
PittsburghSeattle
PIT Pittsburgh - BFI Seattle King County/Boeing
PITBFI
Pittsburgh
Tue 12/22
6:30 am-10:15 pm
3 stops42h 45m
Seattle King County/Boeing
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$423
PittsburghSeattle
PIT Pittsburgh - BFI Seattle King County/Boeing
PITBFI
Pittsburgh
Thu 12/3
6:28 pm-10:15 pm
3 stops30h 47m
Seattle King County/Boeing
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$451
PittsburghSeattle
PIT Pittsburgh - BFI Seattle King County/Boeing
PITBFI
Pittsburgh
Wed 1/13
9:10 pm-10:15 pm
3 stops28h 05m
Seattle King County/Boeing
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$459
PittsburghSeattle
PIT Pittsburgh - BFI Seattle King County/Boeing
PITBFI
Pittsburgh
Sun 12/13
8:00 am-10:15 am
3 stops53h 15m
Seattle King County/Boeing
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$481
PittsburghSeattle
PIT Pittsburgh - BFI Seattle King County/Boeing
PITBFI
Pittsburgh
Thu 12/10
6:28 pm-10:15 pm
3 stops30h 47m
Seattle King County/Boeing
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$493
Sorted by cheapest first
Compare providers for flights from Pittsburgh to Seattle
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 Pittsburgh to Seattle in November.
| 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 Pittsburgh-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Pittsburgh-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Pittsburgh-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Pittsburgh-Seattle 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 Pittsburgh-Seattle 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 Pittsburgh to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Pittsburgh with our price prediction graph.
PIT-BFI
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.
Related info for your journey
Find useful and relevant information for your journey from Pittsburgh to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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