S$126 Cheap Flights from Pittsburgh to Seattle

View S$126 flight on Sat, 16 Aug, 2025Opens in a new window

Popular airlines from Pittsburgh Intl. Airport (PIT) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Pittsburgh to Seattle (PIT-SEA)

Prices were available within the past 7 days and start at S$126 for one-way flights and S$347 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, 21 Sep - Sat, 27 Sep
PIT
Pittsburgh
SEA
Seattle
S$347 Return, found 1 day ago
S$347
Return
found 1 day ago
Select United flight, departing Sun, 21 Sep from Pittsburgh to Seattle, returning Sat, 27 Sep, priced at S$347 found 1 day ago
United
Sun, 21 Sep - Sat, 27 Sep
PIT
Pittsburgh
SEA
Seattle
S$371 Return, found 1 day ago
S$371
Return
found 1 day ago
Select United flight, departing Sun, 21 Sep from Pittsburgh to Seattle, returning Sat, 27 Sep, priced at S$371 found 1 day ago
United
Sun, 21 Sep - Sat, 27 Sep
PIT
Pittsburgh
SEA
Seattle
S$403 Return, found 1 day ago
S$403
Return
found 1 day ago
Select United flight, departing Sun, 21 Sep from Pittsburgh to Seattle, returning Sat, 27 Sep, priced at S$403 found 1 day ago
Delta
Sun, 21 Sep - Sat, 27 Sep
PIT
Pittsburgh
SEA
Seattle
S$405 Return, found 1 day ago
S$405
Return
found 1 day ago
Select Delta flight, departing Sun, 21 Sep from Pittsburgh to Seattle, returning Sat, 27 Sep, priced at S$405 found 1 day ago
United
Sun, 21 Sep - Sat, 27 Sep
PIT
Pittsburgh
SEA
Seattle
S$406 Return, found 1 day ago
S$406
Return
found 1 day ago
Select United flight, departing Sun, 21 Sep from Pittsburgh to Seattle, returning Sat, 27 Sep, priced at S$406 found 1 day ago
United
Sun, 21 Sep - Sat, 27 Sep
PIT
Pittsburgh
SEA
Seattle
S$411 Return, found 1 day ago
S$411
Return
found 1 day ago
Select United flight, departing Sun, 21 Sep from Pittsburgh to Seattle, returning Sat, 27 Sep, priced at S$411 found 1 day ago
United
Sun, 21 Sep - Sat, 27 Sep
PIT
Pittsburgh
SEA
Seattle
S$425 Return, found 1 day ago
S$425
Return
found 1 day ago
Select United flight, departing Sun, 21 Sep from Pittsburgh to Seattle, returning Sat, 27 Sep, priced at S$425 found 1 day ago
United
Sun, 21 Sep - Sat, 27 Sep
PIT
Pittsburgh
SEA
Seattle
S$426 Return, found 1 day ago
S$426
Return
found 1 day ago
Select United flight, departing Sun, 21 Sep from Pittsburgh to Seattle, returning Sat, 27 Sep, priced at S$426 found 1 day ago
Delta
Sun, 21 Sep - Sat, 27 Sep
PIT
Pittsburgh
SEA
Seattle
S$442 Return, found 1 day ago
S$442
Return
found 1 day ago
Select Delta flight, departing Sun, 21 Sep from Pittsburgh to Seattle, returning Sat, 27 Sep, priced at S$442 found 1 day ago
American Airlines
Sun, 21 Sep - Sat, 27 Sep
PIT
Pittsburgh
SEA
Seattle
S$495 Return, found 1 day ago
S$495
Return
found 1 day ago
Select American Airlines flight, departing Sun, 21 Sep from Pittsburgh to Seattle, returning Sat, 27 Sep, priced at S$495 found 1 day ago

Find the cheapest month to fly from Pittsburgh (PIT) to Seattle (SEA)

September is typically the cheapest month to fly

From S$198 - S$315 per traveller.

Graph displaying average flight prices per month

Pittsburgh to Seattle route information
Origin airport
Pittsburgh Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$347
Distance
3388 km
Average flight time
2 hours 21 mins

Perfect flights from Pittsburgh to Seattle

Your Journey from Pittsburgh to Seattle

Start your unforgettable journey with Expedia. Our broad selection of flights from Pittsburgh to Seattle caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, United, American Airlines. Our selection of flights from Pittsburgh Intl. to Seattle - Tacoma Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Pittsburgh to Seattle Flights

Experience the joy of finding cheap flights from Pittsburgh Intl. to Seattle - Tacoma Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$126 and roundtrip prices from S$347*.
 

Pre-Flight Essentials

Ensure a smooth journey from Pittsburgh to Seattle with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Seattle

Picture yourself stepping off the plane in Seattle and immersing yourself in the unique atmosphere of Seattle. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Pittsburgh to Seattle Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Pittsburgh to Seattle.
 

Beyond the Flight – Exploring Seattle

With Expedia, your adventure extends beyond the flight. Explore Seattle at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Pittsburgh to Seattle with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Pittsburgh to Seattle with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 S$347. 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 kilometres 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.

Explore a world of travel with Expedia

*Available to Expedia members.