$109+ 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — SEA
May 2 — May 91
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 April 2, 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 April 2, 2026.
This Southwest deal was found by Cheapflights users on 4/1. 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.
Sat 4/254:00 pm
PIT
- SEA
1 stop7h 35m
Southwest
Sat 5/211:55 pm
SEA
- PIT
1 stop7h 05m
Southwest
Deal found 4/1![Southwest logo]()
$217
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:13 am
PIT
- SEA
1 stop10h 29m
Delta
Fri 5/81:30 pm
SEA
- PIT
1 stop8h 15m
Delta
Deal found 4/1![Delta logo]()
$235
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:05 am
PIT
- SEA
2 stops10h 30m
Southwest
Tue 5/1211:45 pm
SEA
- PIT
2 stops9h 05m
Southwest
Deal found 4/2![Southwest logo]()
$236
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:10 pm
PIT
- SEA
1 stop8h 00m
Southwest
Tue 7/146:15 am
SEA
- PIT
1 stop9h 00m
Southwest
Deal found 4/2![Southwest logo]()
$237
This American Airlines deal was found by Cheapflights users on 3/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:35 pm
PIT
- SEA
1 stop8h 09m
American Airlines
Sat 5/211:55 pm
SEA
- PIT
1 stop7h 49m
American Airlines
Deal found 3/29![American Airlines logo]()
$238
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:40 pm
PIT
- SEA
2 stops10h 00m
Southwest
Fri 6/1211:05 pm
SEA
- PIT
1 stop8h 10m
Southwest
Deal found 4/2![Southwest logo]()
$242
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 5/127:11 pm
PIT
- SEA
1 stop8h 25m
American Airlines
Tue 5/2611:58 pm
SEA
- PIT
1 stop9h 34m
American Airlines
Deal found 3/30![American Airlines logo]()
$247
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 April 2, 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 April 2, 2026.
This Southwest deal was found by Cheapflights users on 3/28. 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.
Sat 4/253:25 pm
PIT
- SEA
1 stop9h 45m
Southwest
Sat 5/211:55 pm
SEA
- PIT
1 stop7h 05m
Southwest
Deal found 3/28![Southwest logo]()
$239
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:15 pm
PIT
- SEA
1 stop7h 11m
Delta
Sun 8/165:45 am
SEA
- PIT
1 stop8h 02m
Delta
Deal found 3/31![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 4/2910:30 am
PIT
- SEA
2 stops11h 30m
United Airlines
Mon 5/411:53 pm
SEA
- PIT
2 stops11h 09m
United Airlines
Deal found 3/31![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:35 pm
PIT
- SEA
1 stop7h 41m
Delta
Tue 9/155:45 am
SEA
- PIT
1 stop8h 02m
Delta
Deal found 4/1![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 3/31. 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.
Wed 4/224:20 pm
PIT
- SEA
2 stops10h 50m
Southwest
Sat 4/255:45 am
SEA
- PIT
2 stops12h 20m
Southwest
Deal found 3/31![Southwest logo]()
$302
This Delta deal was found by Cheapflights users on 3/28. 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.
Tue 6/307:28 pm
PIT
- SEA
1 stop7h 31m
Delta
Tue 7/79:45 pm
SEA
- PIT
1 stop8h 56m
Delta
Deal found 3/28![Delta logo]()
$278
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Tue 9/81:05 pm
PIT
- SEA
2 stops11h 51m
United Airlines
Tue 9/1510:54 am
SEA
- PIT
2 stops10h 21m
United Airlines
Deal found 3/29![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 3/30. 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.
Tue 5/121:25 pm
PIT
- SEA
2 stops12h 05m
Southwest
Tue 5/2611:45 pm
SEA
- PIT
2 stops9h 05m
Southwest
Deal found 3/30![Southwest logo]()
$348
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:41 pm
PIT
- SEA
1 stop9h 18m
Delta
Tue 7/1411:11 pm
SEA
- PIT
1 stop7h 30m
Delta
Deal found 3/30![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 3/30. 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.
Thu 5/73:55 pm
PIT
- SEA
2 stops11h 45m
Southwest
Sun 5/105:35 am
SEA
- PIT
2 stops11h 00m
Southwest
Deal found 3/30![Southwest logo]()
$357
Last-minute flights from Pittsburgh to SeattleDiscover last-minute flight deals from Pittsburgh to Seattle. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from Pittsburgh to Seattle. Data last updated April 2, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 4/1. 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.
Sat 4/254:00 pm
PIT
- SEA
1 stop7h 35m
Southwest
Sat 5/211:55 pm
SEA
- PIT
1 stop7h 05m
Southwest
Deal found 4/1![Southwest logo]()
$217
This American Airlines deal was found by Cheapflights users on 3/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:35 pm
PIT
- SEA
1 stop8h 09m
American Airlines
Sat 5/211:55 pm
SEA
- PIT
1 stop7h 49m
American Airlines
Deal found 3/29![American Airlines logo]()
$238
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/297:13 am
PIT
- SEA
1 stop10h 29m
Delta
Fri 5/81:30 pm
SEA
- PIT
1 stop8h 15m
Delta
Deal found 4/1![Delta logo]()
$235
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:05 am
PIT
- SEA
2 stops10h 30m
Southwest
Tue 5/1211:45 pm
SEA
- PIT
2 stops9h 05m
Southwest
Deal found 4/2![Southwest logo]()
$236
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 5/127:11 pm
PIT
- SEA
1 stop8h 25m
American Airlines
Tue 5/2611:58 pm
SEA
- PIT
1 stop9h 34m
American Airlines
Deal found 3/30![American Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:40 pm
PIT
- SEA
1 stop9h 32m
Delta
Tue 6/911:10 pm
SEA
- PIT
1 stop9h 10m
Delta
Deal found 4/1![Delta logo]()
$257
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 April 2, 2026.
Search for one-way flight options from Pittsburgh to Seattle. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:35 pm
PIT
- SEA
1 stop8h 09m
American Airlines
Deal found 3/31![American Airlines logo]()
$109
This Southwest deal was found by Cheapflights users on 4/1. 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.
Fri 4/243:55 pm
PIT
- SEA
2 stops11h 45m
Southwest
Deal found 4/1![Southwest logo]()
$114
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:55 am
PIT
- SEA
1 stop9h 59m
Delta
Deal found 4/1![Delta logo]()
$118
This American Airlines deal was found by Cheapflights users on 3/28. 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.
Tue 5/127:11 pm
PIT
- SEA
1 stop8h 25m
American Airlines
Deal found 3/28![American Airlines logo]()
$120
This United Airlines deal was found by Cheapflights users on 3/29. 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.
Tue 4/283:00 pm
PIT
- SEA
2 stops10h 42m
United Airlines
Deal found 3/29![United Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:22 pm
PIT
- SEA
2 stops32h 13m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$128
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:28 pm
PIT
- SEA
1 stop7h 31m
Delta
Deal found 3/31![Delta logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:44 am
PIT
- SEA
2 stops51h 38m
Frontier
Deal found 3/31![Frontier logo]()
$138
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:59 pm
PIT
- SEA
1 stop7h 49m
Delta
Deal found 4/2![Delta logo]()
$140
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 6/93:56 pm
PIT
- SEA
1 stop7h 37m
American Airlines
Deal found 3/30![American Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/271:22 pm
PIT
- SEA
2 stops31h 20m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/151:22 pm
PIT
- SEA
2 stops24h 00m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$149
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 April 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (Southwest) |
One-way from | $109 (American Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $326 |
Good round-trip deal | $352 or less |
Good one-way deal | $214 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 April 2, 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
Sat 4/25
3:25 pm-10:10 pm
1 stop9h 45m
Seattle/Tacoma Intl
Sat 5/2
11:55 pm-10:00 am
1 stop7h 05m
$239
Quickest round-trip
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Thu 8/13
7:15 pm-11:26 pm
1 stop7h 11m
Seattle/Tacoma Intl
Sun 8/16
5:45 am-4:47 pm
1 stop8h 02m
$257
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Tue 9/8
5:35 pm-10:16 pm
1 stop7h 41m
Seattle/Tacoma Intl
Tue 9/15
5:45 am-4:47 pm
1 stop8h 02m
$257
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Tue 6/30
7:28 pm-11:59 pm
1 stop7h 31m
Seattle/Tacoma Intl
Tue 7/7
9:45 pm-9:41 am
1 stop8h 56m
$278
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Wed 4/22
4:20 pm-12:10 am
2 stops10h 50m
Seattle/Tacoma Intl
Sat 4/25
5:45 am-9:05 pm
2 stops12h 20m
$302
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Tue 7/7
5:41 pm-11:59 pm
1 stop9h 18m
Seattle/Tacoma Intl
Tue 7/14
11:11 pm-9:41 am
1 stop7h 30m
$329
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Tue 5/12
1:25 pm-10:30 pm
2 stops12h 05m
Seattle/Tacoma Intl
Tue 5/26
11:45 pm-11:50 am
2 stops9h 05m
$348
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Wed 4/29
10:30 am-7:00 pm
2 stops11h 30m
Seattle/Tacoma Intl
Mon 5/4
11:53 pm-2:02 pm
2 stops11h 09m
$355
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Thu 5/7
3:55 pm-12:40 am
2 stops11h 45m
Seattle/Tacoma Intl
Sun 5/10
5:35 am-7:35 pm
2 stops11h 00m
$357
PittsburghSeattle
PIT - SEA
PITSEA
Pittsburgh
Tue 9/8
1:05 pm-9:56 pm
2 stops11h 51m
Seattle/Tacoma Intl
Tue 9/15
10:54 am-12:15 am
2 stops10h 21m
$359
Showing 1-10 of 22 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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
Prices
More
How far ahead should I book a flight from Pittsburgh to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from Pittsburgh to Seattle. Price data was last updated on April 2, 2026.
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 76 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 $167). Flying from Pittsburgh to Seattle in September is currently the most expensive (average of $221). 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 April 2, 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 April 2, 2026.
Read through reviews of airlines operating flights from Pittsburgh to Seattle, such as Alaska Airlines,Delta, andHawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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
Ocean Shores
Olympia
Kent
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Aberdeen
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Pittsburgh
Popular flights
Seattle flight routes
Alternative routes for Pittsburgh to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Pittsburgh to Seattle by cabin class
Find flights from Pittsburgh to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Pittsburgh and Seattle flights
Browse other Pittsburgh and Seattle flight options. Last updated on April 2, 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 April 2, 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 April 2, 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 April 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$161 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$123 | Average$246 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$166 | Average$367 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$176 | Average$405 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$178 | Average$278 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$197 | Average$384 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$222 | Average$332 | FlexibilityNo cancel fee | On-time69% |