
Popular airlines from Pittsburgh International Airport (PIT) to Seattle-Tacoma International Airport (SEA)
- Alaska Airlines
Alaska Airlines
- United
United
- American Airlines
American Airlines
- Delta
Delta
- Southwest Airlines
Southwest Airlines
- JetBlue Airways
JetBlue Airways
- Hawaiian Airlines
Hawaiian Airlines
- Plan, book, fly with confidence
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Cheap Flights from Pittsburgh (PIT) to Seattle (SEA)
Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Pittsburgh (PIT) to Seattle (SEA)
September is typically the cheapest month to fly
Origin airport | Pittsburgh Intl. |
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | American Airlines, Delta, United |
Return price | AU$272 |
Distance | 3388 km |
Average flight time | 4 hours 5 mins |
Your quick guide to flights from Pittsburgh to Seattle
Pick up great flights from Pittsburgh to Seattle
With Expedia, you have your pick of 6 flights a day with 20 airlines covering flights from Pittsburgh to Seattle. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Pittsburgh to Seattle that take around 5 hours.
Find cheap flights from Pittsburgh to Seattle
From the great flight deals with prices currently ranging from AU$272 to AU$416, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Pittsburgh to Seattle around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Seattle is normally in October.
Reasons to book your flight from Pittsburgh to Seattle with Expedia
Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Pittsburgh to Seattle across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Seattle right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.