₩145,300 Cheap Flights from Pittsburgh (PIT) to Seattle (SEA)

View ₩145,300 flight on Wed, Feb 11, 2026Opens in a new window

Popular airlines from Pittsburgh to Seattle

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Cheap Flights from Pittsburgh to Seattle (PIT-SEA)

Prices were available within the past 7 days and start at ₩145,300 for one-way flights and for round trip, 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)

January is typically the cheapest month to fly

From ₩186,870 - ₩444,259 per traveler.

Frequently asked questions

How much is a flight from Pittsburgh Intl. Airport (PIT) to Seattle - Tacoma Intl. Airport (SEA)?
The lowest price advertised for a round-trip journey between Pittsburgh Airport and Sea-Tac Airport is . But you better get a move on. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from PIT to SEA?
We get that life can throw the odd curveball, so we've made it as simple as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Pittsburgh Airport to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PIT to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Pittsburgh Intl. Airport (PIT) to Sea-Tac Airport?
Around 3,400 kilometers separates Pittsburgh and SeaTac, so pack something to help you fill in a couple of hours. That latest bestseller you haven't started will be ideal.
Which airlines fly direct from Pittsburgh Airport to Sea-Tac Airport?
Alaska Airlines (AS) will fly you from Pittsburgh Intl. Airport (PIT) to SEA safely and comfortably. You can choose from 30 flights each month on this route.
Are Pittsburgh Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally nab a bargain, with some of the cheapest fares from PIT to SEA surfacing a few weeks prior to the departure date. If you'd rather book ahead, Expedia compares and updates all the best flight deals continuously — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines release prices so far in advance.

Travel information

Origin airport
Pittsburgh Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
3388 km
Average flight time
2 hours 24 mins

Book with confidence

Pittsburgh to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Pittsburgh to Seattle will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with PIT to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Pittsburgh for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Pittsburgh to Seattle Flights
*Available to Expedia members.