$119+ Cheap flights from Pittsburgh to Seattle (PIT - 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — SEA
jul. 1 — jul. 81
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.Cheapflights Tip: The best prices from Pittsburgh to Seattle/Tacoma Intl are usually found in February or October, booked 76 days in advance, depart on a Wednesday or Thursday and return on a Friday
Cheap flight deals from Pittsburgh to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Pittsburgh to SeattleExplore the most affordable flight options available from Pittsburgh to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 1, 2026.
Explore the most affordable flight options available from Pittsburgh to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 1, 2026.
This United Airlines deal was found by Cheapflights users on 5/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/115:10 am
PIT
- SEA
1 stop7h 26m
United Airlines
vie. 10/1611:13 pm
SEA
- PIT
1 stop7h 41m
United Airlines
Deal found 5/31![United Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 5/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/216:25 pm
PIT
- SEA
1 stop8h 10m
Southwest
mar. 7/287:30 pm
SEA
- PIT
2 stops13h 35m
Southwest
Deal found 5/27![Southwest logo]()
$296
This Delta deal was found by Cheapflights users on 5/29. 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.
vie. 6/55:40 pm
PIT
- SEA
1 stop9h 30m
Delta
lun. 6/810:20 pm
SEA
- PIT
1 stop10h 25m
Delta
Deal found 5/29![Delta logo]()
$297
This Southwest deal was found by Cheapflights users on 5/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/293:20 pm
PIT
- SEA
1 stop9h 10m
Southwest
mar. 9/811:05 pm
SEA
- PIT
1 stop9h 15m
Southwest
Deal found 5/27![Southwest logo]()
$298
This American Airlines deal was found by Cheapflights users on 5/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/305:01 am
PIT
- SEA
1 stop7h 49m
American Airlines
mar. 7/710:35 pm
SEA
- PIT
1 stop10h 30m
American Airlines
Deal found 5/30![American Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 5/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/36:30 pm
PIT
- SEA
1 stop9h 10m
Southwest
vie. 9/115:15 am
SEA
- PIT
1 stop7h 15m
Southwest
Deal found 5/29![Southwest logo]()
$302
This Southwest deal was found by Cheapflights users on 5/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/225:30 pm
PIT
- SEA
1 stop10h 15m
Southwest
mié. 7/2912:45 pm
SEA
- PIT
1 stop9h 10m
Southwest
Deal found 5/30![Southwest logo]()
$305
This Southwest deal was found by Cheapflights users on 5/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/253:25 pm
PIT
- SEA
2 stops10h 40m
Southwest
mar. 9/111:00 pm
SEA
- PIT
1 stop10h 45m
Southwest
Deal found 5/27![Southwest logo]()
$306
This Delta deal was found by Cheapflights users on 5/28. 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.
mar. 6/96:20 pm
PIT
- SEA
1 stop8h 39m
Delta
mié. 6/105:30 am
SEA
- PIT
1 stop7h 10m
Delta
Deal found 5/28![Delta logo]()
$307
This American Airlines deal was found by Cheapflights users on 5/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/166:00 am
PIT
- SEA
1 stop8h 25m
American Airlines
sáb. 9/266:40 am
SEA
- PIT
1 stop7h 44m
American Airlines
Deal found 5/30![American Airlines logo]()
$308
Best flights from Pittsburgh to SeattleDiscover carefully curated flight deals from Pittsburgh to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 1, 2026.
Discover carefully curated flight deals from Pittsburgh to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 1, 2026.
This Southwest deal was found by Cheapflights users on 5/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/96:40 pm
PIT
- SEA
2 stops10h 05m
Southwest
jue. 7/1611:05 pm
SEA
- PIT
1 stop8h 10m
Southwest
Deal found 5/31![Southwest logo]()
$324
This United Airlines deal was found by Cheapflights users on 5/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/253:20 pm
PIT
- SEA
2 stops10h 25m
United Airlines
mar. 9/111:00 pm
SEA
- PIT
2 stops12h 11m
United Airlines
Deal found 5/29![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 5/29. 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.
sáb. 7/255:50 pm
PIT
- SEA
1 stop7h 10m
Delta
mié. 7/292:30 pm
SEA
- PIT
1 stop6h 34m
Delta
Deal found 5/29![Delta logo]()
$378
This Alaska Airlines deal was found by Cheapflights users on 5/31. 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.
mar. 6/237:30 am
PIT
- SEA
Nonstop5h 19m
Alaska Airlines
mar. 7/710:37 pm
SEA
- PIT
Nonstop4h 33m
Alaska Airlines
Deal found 5/31![Alaska Airlines logo]()
$422
This Southwest deal was found by Cheapflights users on 5/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/277:30 pm
PIT
- SEA
1 stop7h 00m
Southwest
lun. 8/3111:05 pm
SEA
- PIT
2 stops10h 00m
Southwest
Deal found 5/31![Southwest logo]()
$324
This Southwest deal was found by Cheapflights users on 5/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/38:15 pm
PIT
- SEA
1 stop7h 20m
Southwest
jue. 8/66:15 am
SEA
- PIT
2 stops12h 35m
Southwest
Deal found 5/27![Southwest logo]()
$370
This United Airlines deal was found by Cheapflights users on 5/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/92:13 pm
PIT
- SEA
2 stops14h 00m
United Airlines
mié. 6/1010:40 pm
SEA
- PIT
2 stops12h 23m
United Airlines
Deal found 5/31![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 5/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/166:40 pm
PIT
- SEA
2 stops10h 05m
Southwest
lun. 7/206:30 am
SEA
- PIT
1 stop14h 25m
Southwest
Deal found 5/27![Southwest logo]()
$370
This United Airlines deal was found by Cheapflights users on 5/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/176:10 pm
PIT
- SEA
1 stop7h 35m
United Airlines
mar. 8/255:20 pm
SEA
- PIT
2 stops13h 29m
United Airlines
Deal found 5/28![United Airlines logo]()
$427
This Southwest deal was found by Cheapflights users on 5/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/206:40 pm
PIT
- SEA
1 stop7h 30m
Southwest
lun. 7/277:30 pm
SEA
- PIT
2 stops13h 35m
Southwest
Deal found 5/29![Southwest logo]()
$392
This Southwest deal was found by Cheapflights users on 5/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/291:55 pm
PIT
- SEA
2 stops10h 35m
Southwest
dom. 9/611:05 pm
SEA
- PIT
2 stops10h 05m
Southwest
Deal found 5/30![Southwest logo]()
$427
Last-minute flights from Pittsburgh to SeattleDiscover last-minute flight deals from Pittsburgh to Seattle. Data last updated junio 1, 2026 and is based on user searches.
Discover last-minute flight deals from Pittsburgh to Seattle. Data last updated junio 1, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/15:11 pm
PIT
- SEA
1 stop8h 47m
American Airlines
lun. 6/157:01 am
SEA
- PIT
1 stop8h 49m
American Airlines
Deal found 5/28![American Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 5/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/210:30 am
PIT
- SEA
1 stop8h 25m
United Airlines
jue. 6/1111:20 pm
SEA
- PIT
1 stop7h 20m
United Airlines
Deal found 5/29![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 5/29. 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.
vie. 6/55:40 pm
PIT
- SEA
1 stop9h 30m
Delta
lun. 6/810:20 pm
SEA
- PIT
1 stop10h 25m
Delta
Deal found 5/29![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 5/28. 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.
mar. 6/96:20 pm
PIT
- SEA
1 stop8h 39m
Delta
mié. 6/105:30 am
SEA
- PIT
1 stop7h 10m
Delta
Deal found 5/28![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 5/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/204:50 pm
PIT
- SEA
1 stop11h 20m
Southwest
jue. 7/211:05 pm
SEA
- PIT
1 stop8h 10m
Southwest
Deal found 5/28![Southwest logo]()
$319
This United Airlines deal was found by Cheapflights users on 5/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/2510:54 am
PIT
- SEA
1 stop8h 15m
United Airlines
mié. 7/87:00 am
SEA
- PIT
1 stop7h 10m
United Airlines
Deal found 5/28![United Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 5/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/276:20 pm
PIT
- SEA
1 stop9h 15m
Southwest
sáb. 7/46:05 am
SEA
- PIT
1 stop9h 00m
Southwest
Deal found 5/28![Southwest logo]()
$324
This American Airlines deal was found by Cheapflights users on 5/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/305:01 am
PIT
- SEA
1 stop7h 49m
American Airlines
mar. 7/710:35 pm
SEA
- PIT
1 stop10h 30m
American Airlines
Deal found 5/30![American Airlines logo]()
$301
This Southwest deal was found by Cheapflights users on 5/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/303:55 pm
PIT
- SEA
2 stops10h 35m
Southwest
mié. 7/811:05 pm
SEA
- PIT
2 stops9h 40m
Southwest
Deal found 5/28![Southwest logo]()
$350
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 junio 1, 2026.
Search for one-way flight options from Pittsburgh to Seattle. Find affordable one-way fares based on user searches. Data last updated junio 1, 2026.
This Delta deal was found by Cheapflights users on 5/29. 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.
lun. 6/155:40 pm
PIT
- SEA
1 stop9h 19m
Delta
Deal found 5/29![Delta logo]()
$119
This Delta deal was found by Cheapflights users on 5/28. 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.
vie. 7/35:45 pm
PIT
- SEA
1 stop7h 20m
Delta
Deal found 5/28![Delta logo]()
$120
This Delta deal was found by Cheapflights users on 5/28. 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.
mar. 7/145:40 pm
PIT
- SEA
1 stop7h 20m
Delta
Deal found 5/28![Delta logo]()
$124
This American Airlines deal was found by Cheapflights users on 5/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/145:05 pm
PIT
- SEA
1 stop8h 51m
American Airlines
Deal found 5/27![American Airlines logo]()
$125
This United Airlines deal was found by Cheapflights users on 5/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/65:31 pm
PIT
- SEA
1 stop10h 42m
United Airlines
Deal found 5/29![United Airlines logo]()
$149
This Southwest deal was found by Cheapflights users on 5/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/85:30 pm
PIT
- SEA
1 stop10h 15m
Southwest
Deal found 5/31![Southwest logo]()
$153
This Delta deal was found by Cheapflights users on 5/28. 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.
sáb. 6/65:10 pm
PIT
- SEA
1 stop9h 49m
Delta
Deal found 5/28![Delta logo]()
$154
This Southwest deal was found by Cheapflights users on 6/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/283:55 pm
PIT
- SEA
2 stops10h 40m
Southwest
Deal found 6/1![Southwest logo]()
$158
This Southwest deal was found by Cheapflights users on 5/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/114:50 pm
PIT
- SEA
1 stop11h 25m
Southwest
Deal found 5/31![Southwest logo]()
$160
This Southwest deal was found by Cheapflights users on 5/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/2412:50 pm
PIT
- SEA
2 stops13h 05m
Southwest
Deal found 5/28![Southwest logo]()
$161
This United Airlines deal was found by Cheapflights users on 5/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/2510:45 am
PIT
- SEA
2 stops9h 57m
United Airlines
Deal found 5/29![United Airlines logo]()
$162
This Southwest deal was found by Cheapflights users on 5/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/211:15 pm
PIT
- SEA
2 stops13h 00m
Southwest
Deal found 5/30![Southwest logo]()
$164
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 (SEA). 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 junio 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $295 (United Airlines) |
One-way from | $119 (Delta) |
Popular in | July |
Cheapest in | February |
Average price | $397 |
Good round-trip deal | $457 or less |
Good one-way deal | $293 or less |
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 2,558,603 searches. Data last updated junio 1, 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 - SEA
PITSEA
Pittsburgh
jue. 7/9
6:40 pm-1:45 am
2 stops10h 05m
Seattle/Tacoma Intl
jue. 7/16
11:05 pm-10:15 am
1 stop8h 10m
$324
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
jue. 8/27
7:30 pm-11:30 pm
1 stop7h 00m
Seattle/Tacoma Intl
lun. 8/31
11:05 pm-12:05 pm
2 stops10h 00m
$324
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
mar. 8/25
3:20 pm-10:45 pm
2 stops10h 25m
Seattle/Tacoma Intl
mar. 9/1
11:00 pm-2:11 pm
2 stops12h 11m
$357
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
lun. 8/3
8:15 pm-12:35 am
1 stop7h 20m
Seattle/Tacoma Intl
jue. 8/6
6:15 am-9:50 pm
2 stops12h 35m
$370
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
jue. 7/16
6:40 pm-1:45 am
2 stops10h 05m
Seattle/Tacoma Intl
lun. 7/20
6:30 am-11:55 pm
1 stop14h 25m
$370
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
sáb. 7/25
5:50 pm-10:00 pm
1 stop7h 10m
Seattle/Tacoma Intl
mié. 7/29
2:30 pm-12:04 am
1 stop6h 34m
$378
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
lun. 7/20
6:40 pm-11:10 pm
1 stop7h 30m
Seattle/Tacoma Intl
lun. 7/27
7:30 pm-12:05 pm
2 stops13h 35m
$392
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
mar. 6/9
2:13 pm-1:13 am
2 stops14h 00m
Seattle/Tacoma Intl
mié. 6/10
10:40 pm-2:03 pm
2 stops12h 23m
$417
Quickest round-trip
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
mar. 6/23
7:30 am-9:49 am
Nonstop5h 19m
Seattle/Tacoma Intl
mar. 7/7
10:37 pm-6:10 am
Nonstop4h 33m
$422
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
lun. 8/17
6:10 pm-10:45 pm
1 stop7h 35m
Seattle/Tacoma Intl
mar. 8/25
5:20 pm-9:49 am
2 stops13h 29m
$427
Showing 1-10 of 21 resultsSorted 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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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-SEA
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 Pittsburgh to Seattle
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How far ahead should I book a flight from Pittsburgh to Seattle?
The price you pay for your flight from Pittsburgh to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 75 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Pittsburgh to Seattle?
Currently, February is the cheapest month in which you can book a flight from Pittsburgh to Seattle (average of $217). Flying from Pittsburgh to Seattle in July is currently the most expensive (average of $407). 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 PIT to SEA?
Find hourly flight availability from Pittsburgh 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 junio 1, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Pittsburgh to Seattle as you normally would.
What’s the top layover airport for flights from Pittsburgh to Seattle?
Share of 1-stop round-trip flights from Pittsburgh to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (MDW) – chosen by Cheapflights users on 67% of 1-stop itineraries from Pittsburgh to Seattle on Cheapflights.
What’s the cheapest layover airport for flights from Pittsburgh to Seattle?
Average round-trip fare for 1-stop flights from Pittsburgh to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Chicago (MDW) is the most affordable 1-stop option, with an average round-trip price of $324.
What’s the fastest layover option from Pittsburgh to Seattle?
Shortest average travel time for 1-stop one-way flights from Pittsburgh to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 7h 29m.
Which airport typically offers the quickest layover for flights from Pittsburgh to Seattle?
Average layover duration for 1-stop one-way flights from Pittsburgh to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 0h 56m.
The best insider tips for Pittsburgh to Seattle 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 Pittsburgh to Seattle trip
Our travel experts
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated junio 1, 2026.
Read through reviews of airlines operating flights from Pittsburgh to Seattle, such as Southwest,Alaska Airlines, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Lacey
Ocean Shores
Olympia
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline
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Pittsburgh and Seattle flights
Browse other Pittsburgh and Seattle flight options. Last updated on junio 1, 2026.
Other flights from Pittsburgh
Browse through other flights departing from Pittsburgh. Flights are based on user searches made on Cheapflights and were last updated on junio 1, 2026.
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Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on junio 1, 2026.
Top 7 airlines flying from Pittsburgh to Seattle
Discover the top 7 airlines that operate flights from Pittsburgh 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 junio 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$161 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$119 | Average$234 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$378 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$166 | Average$370 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$178 | Average$304 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$197 | Average$390 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$231 | Average$342 | FlexibilityNo cancel fee | On-time69% |