$124+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — SEA
Aug 28 — Sep 41
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 84 days in advance, depart on a Wednesday or Thursday and return on a Sunday
Cheap flight deals from Pittsburgh to Seattle
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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 July 29, 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 July 29, 2026.
This Southwest deal was found by Cheapflights users on 7/27. 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.
Wed 11/113:55 pm
PIT
- SEA
2 stops10h 35m
Southwest
Mon 11/165:45 am
SEA
- PIT
2 stops9h 40m
Southwest
Deal found 7/27![Southwest logo]()
$312
This Southwest deal was found by Cheapflights users on 7/28. 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.
Mon 8/176:30 pm
PIT
- SEA
1 stop9h 10m
Southwest
Fri 8/216:15 am
SEA
- PIT
2 stops12h 50m
Southwest
Deal found 7/28![Southwest logo]()
$313
This Southwest deal was found by Cheapflights users on 7/26. 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.
Sat 9/54:40 pm
PIT
- SEA
1 stop7h 15m
Southwest
Sat 9/1211:05 pm
SEA
- PIT
1 stop9h 00m
Southwest
Deal found 7/26![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 7/26. 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.
Fri 11/208:45 am
PIT
- SEA
1 stop7h 30m
Southwest
Wed 11/2512:15 am
SEA
- PIT
2 stops8h 35m
Southwest
Deal found 7/26![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 7/24. 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.
Wed 8/191:25 pm
PIT
- SEA
2 stops9h 50m
Southwest
Tue 8/257:10 am
SEA
- PIT
2 stops10h 35m
Southwest
Deal found 7/24![Southwest logo]()
$327
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sat 7/254:25 pm
PIT
- SEA
1 stop7h 54m
United Airlines
Fri 9/1111:00 pm
SEA
- PIT
1 stop7h 49m
United Airlines
Deal found 7/24![United Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 7/25. 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.
Sun 8/165:40 pm
PIT
- SEA
1 stop8h 55m
Southwest
Thu 8/2011:00 pm
SEA
- PIT
1 stop10h 35m
Southwest
Deal found 7/25![Southwest logo]()
$329
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 9/53:20 pm
PIT
- SEA
1 stop8h 25m
United Airlines
Sun 9/67:00 am
SEA
- PIT
1 stop7h 12m
United Airlines
Deal found 7/26![United Airlines logo]()
$331
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 8/212:25 pm
PIT
- SEA
1 stop10h 34m
American Airlines
Sun 8/305:15 am
SEA
- PIT
1 stop8h 22m
American Airlines
Deal found 7/28![American Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 7/28. 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.
Thu 8/276:30 pm
PIT
- SEA
1 stop9h 10m
Southwest
Thu 9/36:30 am
SEA
- PIT
2 stops8h 20m
Southwest
Deal found 7/28![Southwest logo]()
$333
This Southwest deal was found by Cheapflights users on 7/26. 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.
Mon 9/144:10 pm
PIT
- SEA
2 stops9h 50m
Southwest
Thu 9/175:15 am
SEA
- PIT
2 stops9h 25m
Southwest
Deal found 7/26![Southwest logo]()
$334
This Southwest deal was found by Cheapflights users on 7/28. 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.
Mon 8/174:10 pm
PIT
- SEA
2 stops9h 45m
Southwest
Sat 8/225:00 am
SEA
- PIT
1 stop7h 30m
Southwest
Deal found 7/28![Southwest logo]()
$335
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 July 29, 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 July 29, 2026.
This Southwest deal was found by Cheapflights users on 7/28. 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.
Thu 10/1512:00 pm
PIT
- SEA
2 stops13h 30m
Southwest
Mon 10/199:15 pm
SEA
- PIT
2 stops10h 00m
Southwest
Deal found 7/28![Southwest logo]()
$312
This JetBlue deal was found by Cheapflights users on 7/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:34 pm
PIT
- SEA
1 stop13h 19m
JetBlue
Wed 9/211:40 am
SEA
- PIT
1 stop9h 07m
JetBlue
Deal found 7/28![JetBlue logo]()
$358
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Tue 10/1310:56 am
PIT
- SEA
2 stops12h 41m
United Airlines
Thu 10/2211:13 pm
SEA
- PIT
1 stop7h 41m
United Airlines
Deal found 7/25![United Airlines logo]()
$362
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:23 pm
PIT
- SEA
Nonstop5h 11m
Alaska Airlines
Wed 9/99:44 pm
SEA
- PIT
Nonstop4h 41m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 7/26. 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.
Fri 9/46:30 pm
PIT
- SEA
1 stop9h 15m
Southwest
Fri 9/115:15 am
SEA
- PIT
1 stop7h 15m
Southwest
Deal found 7/26![Southwest logo]()
$328
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Sun 8/237:00 am
PIT
- SEA
1 stop10h 24m
United Airlines
Fri 8/2811:00 pm
SEA
- PIT
2 stops12h 11m
United Airlines
Deal found 7/26![United Airlines logo]()
$362
This Southwest deal was found by Cheapflights users on 7/28. 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.
Thu 8/2712:50 pm
PIT
- SEA
2 stops13h 05m
Southwest
Mon 8/3111:05 pm
SEA
- PIT
2 stops10h 00m
Southwest
Deal found 7/28![Southwest logo]()
$340
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 9/307:00 am
PIT
- SEA
3 stops17h 15m
United Airlines
Sat 10/311:14 pm
SEA
- PIT
1 stop7h 23m
United Airlines
Deal found 7/28![United Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 7/28. 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.
Fri 8/2812:50 pm
PIT
- SEA
2 stops13h 05m
Southwest
Sat 9/55:00 am
SEA
- PIT
1 stop7h 30m
Southwest
Deal found 7/28![Southwest logo]()
$350
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 8/316:10 am
PIT
- SEA
2 stops12h 42m
United Airlines
Wed 9/211:03 am
SEA
- PIT
1 stop8h 42m
United Airlines
Deal found 7/28![United Airlines logo]()
$382
Last-minute flights from Pittsburgh to SeattleDiscover last-minute flight deals from Pittsburgh to Seattle. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from Pittsburgh to Seattle. Data last updated July 29, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Wed 8/56:50 am
PIT
- SEA
1 stop10h 40m
United Airlines
Wed 8/511:20 pm
SEA
- PIT
1 stop7h 20m
United Airlines
Deal found 7/24![United Airlines logo]()
$338
This Southwest deal was found by Cheapflights users on 7/26. 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.
Mon 8/106:30 pm
PIT
- SEA
1 stop9h 10m
Southwest
Thu 8/206:15 am
SEA
- PIT
2 stops12h 50m
Southwest
Deal found 7/26![Southwest logo]()
$343
This Southwest deal was found by Cheapflights users on 7/26. 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.
Tue 8/116:00 am
PIT
- SEA
1 stop10h 20m
Southwest
Tue 8/257:10 am
SEA
- PIT
2 stops10h 35m
Southwest
Deal found 7/26![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 7/25. 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.
Sun 8/165:40 pm
PIT
- SEA
1 stop8h 55m
Southwest
Thu 8/2011:00 pm
SEA
- PIT
1 stop10h 35m
Southwest
Deal found 7/25![Southwest logo]()
$329
This Southwest deal was found by Cheapflights users on 7/28. 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.
Mon 8/176:30 pm
PIT
- SEA
1 stop9h 10m
Southwest
Fri 8/216:15 am
SEA
- PIT
2 stops12h 50m
Southwest
Deal found 7/28![Southwest logo]()
$313
This Southwest deal was found by Cheapflights users on 7/28. 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.
Mon 8/174:10 pm
PIT
- SEA
2 stops9h 45m
Southwest
Sat 8/225:00 am
SEA
- PIT
1 stop7h 30m
Southwest
Deal found 7/28![Southwest logo]()
$335
This Southwest deal was found by Cheapflights users on 7/26. 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.
Wed 8/191:25 pm
PIT
- SEA
2 stops9h 50m
Southwest
Mon 8/247:00 am
SEA
- PIT
1 stop14h 40m
Southwest
Deal found 7/26![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 7/24. 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.
Wed 8/191:25 pm
PIT
- SEA
2 stops9h 50m
Southwest
Tue 8/257:10 am
SEA
- PIT
2 stops10h 35m
Southwest
Deal found 7/24![Southwest logo]()
$327
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 8/212:25 pm
PIT
- SEA
1 stop10h 34m
American Airlines
Sun 8/305:15 am
SEA
- PIT
1 stop8h 22m
American Airlines
Deal found 7/28![American Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 7/28. 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.
Thu 8/276:30 pm
PIT
- SEA
1 stop9h 10m
Southwest
Thu 9/36:30 am
SEA
- PIT
2 stops8h 20m
Southwest
Deal found 7/28![Southwest logo]()
$333
This Southwest deal was found by Cheapflights users on 7/28. 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.
Thu 8/2712:50 pm
PIT
- SEA
2 stops13h 05m
Southwest
Mon 8/3111:05 pm
SEA
- PIT
2 stops10h 00m
Southwest
Deal found 7/28![Southwest logo]()
$340
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 July 29, 2026.
Search for one-way flight options from Pittsburgh to Seattle. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:16 pm
PIT
- SEA
1 stop7h 40m
United Airlines
Deal found 7/27![United Airlines logo]()
$124
This Southwest deal was found by Cheapflights users on 7/26. 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.
Tue 8/251:25 pm
PIT
- SEA
2 stops9h 50m
Southwest
Deal found 7/26![Southwest logo]()
$129
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 9/284:06 pm
PIT
- SEA
1 stop8h 30m
American Airlines
Deal found 7/28![American Airlines logo]()
$134
This Southwest deal was found by Cheapflights users on 7/24. 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.
Mon 8/2412:50 pm
PIT
- SEA
2 stops13h 05m
Southwest
Deal found 7/24![Southwest logo]()
$144
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 8/56:16 pm
PIT
- SEA
1 stop8h 00m
United Airlines
Deal found 7/28![United Airlines logo]()
$154
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Thu 10/85:11 am
PIT
- SEA
1 stop7h 25m
United Airlines
Deal found 7/25![United Airlines logo]()
$156
This Southwest deal was found by Cheapflights users on 7/27. 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.
Sat 9/261:55 pm
PIT
- SEA
2 stops10h 35m
Southwest
Deal found 7/27![Southwest logo]()
$157
This Southwest deal was found by Cheapflights users on 7/24. 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.
Wed 8/121:25 pm
PIT
- SEA
2 stops9h 50m
Southwest
Deal found 7/24![Southwest logo]()
$159
This JetBlue deal was found by Cheapflights users on 7/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:53 pm
PIT
- SEA
1 stop13h 00m
JetBlue
Deal found 7/28![JetBlue logo]()
$162
This JetBlue deal was found by Cheapflights users on 7/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:18 pm
PIT
- SEA
1 stop12h 19m
JetBlue
Deal found 7/28![JetBlue logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:04 pm
PIT
- SEA
2 stops47h 04m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 7/24. 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.
Sun 8/235:35 am
PIT
- SEA
2 stops11h 25m
Southwest
Deal found 7/24![Southwest logo]()
$178
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 July 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $313 (Southwest) |
One-way from | $124 (United Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $512 |
Good round-trip deal | $512 or less |
Good one-way deal | $313 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 July 29, 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
Thu 10/15
12:00 pm-10:30 pm
2 stops13h 30m
Seattle/Tacoma Intl
Mon 10/19
9:15 pm-10:15 am
2 stops10h 00m
$312
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Fri 9/4
6:30 pm-12:45 am
1 stop9h 15m
Seattle/Tacoma Intl
Fri 9/11
5:15 am-3:30 pm
1 stop7h 15m
$328
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Thu 8/27
12:50 pm-10:55 pm
2 stops13h 05m
Seattle/Tacoma Intl
Mon 8/31
11:05 pm-12:05 pm
2 stops10h 00m
$340
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Fri 8/28
12:50 pm-10:55 pm
2 stops13h 05m
Seattle/Tacoma Intl
Sat 9/5
5:00 am-3:30 pm
1 stop7h 30m
$350
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Mon 8/31
12:34 pm-10:53 pm
1 stop13h 19m
Seattle/Tacoma Intl
Wed 9/2
11:40 am-11:47 pm
1 stop9h 07m
$358
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Tue 10/13
10:56 am-8:37 pm
2 stops12h 41m
Seattle/Tacoma Intl
Thu 10/22
11:13 pm-9:54 am
1 stop7h 41m
$362
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Sun 8/23
7:00 am-2:24 pm
1 stop10h 24m
Seattle/Tacoma Intl
Fri 8/28
11:00 pm-2:11 pm
2 stops12h 11m
$362
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Wed 9/30
7:00 am-9:15 pm
3 stops17h 15m
Seattle/Tacoma Intl
Sat 10/3
11:14 pm-9:37 am
1 stop7h 23m
$368
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Mon 8/31
6:10 am-3:52 pm
2 stops12h 42m
Seattle/Tacoma Intl
Wed 9/2
11:03 am-10:45 pm
1 stop8h 42m
$382
Quickest round-trip
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Sat 8/29
6:23 pm-8:34 pm
Nonstop5h 11m
Seattle/Tacoma Intl
Wed 9/9
9:44 pm-5:25 am
Nonstop4h 41m
$397
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 July.
| 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-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
Prices
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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 83 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 $218). Flying from Pittsburgh to Seattle in July is currently the most expensive (average of $512). 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 July 29, 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 (ORD) – 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 (ORD) is the most affordable 1-stop option, with an average round-trip price of $370.
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 (MDW) have the shortest average one-way travel time for 1-stop routes: 6h 55m.
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 (MDW) offer the fastest connection on this route, with an average layover time of 1h 33m.
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 July 29, 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.
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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
Renton
Tacoma
Lacey
Leavenworth
Olympia
Edmonds
Tukwila
Snoqualmie
Tumwater
Centralia
Puyallup
Kent
Ellensburg
Fife
Marysville
Ocean Shores
Lakewood
Lynnwood
Shoreline
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Search flights from Pittsburgh to Seattle by cabin class
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Pittsburgh and Seattle flights
Browse other Pittsburgh and Seattle flight options. Last updated on July 29, 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 July 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 July 29, 2026.
Top 6 airlines flying from Pittsburgh to Seattle
Discover the top 6 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 July 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$337 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$168 | Average$321 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$171 | Average$241 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$178 | Average$406 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$197 | Average$413 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$234 | Average$347 | FlexibilityNo cancel fee | On-time69% |