$93 Cheap Flights from Pittsburgh (PIT) to Seattle (SEA)

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 $93 for one-way flights and $190 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Delta
United
United
Southwest Airlines
American Airlines
United
United
United
Alaska Airlines

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

September is typically the cheapest month to fly

From $156 - $231 per traveler.

Graph displaying average flight prices per month

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Pittsburgh (PIT) to Seattle (SEA)
Origin airport
Pittsburgh Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$190
Distance
2117 mi
Average flight time
2 hours 21 mins

Pittsburgh to Seattle Flights

The cheapest times to fly from Pittsburgh to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Pittsburgh to Seattle are during the month of September. You can find some of the cheapest flights from Pittsburgh to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Pittsburgh to Seattle

Sunday is one of the best days to book for cheap flights from Pittsburgh to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Pittsburgh to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Pittsburgh to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $93 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Pittsburgh to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Pittsburgh to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Pittsburgh Intl. Airport (PIT) to Seattle - Tacoma Intl. Airport (SEA) cost?
You can book cheap return fares starting at $257 from Pittsburgh Intl. Airport (PIT) to Seattle - Tacoma Intl. Airport (SEA). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving PIT on July 4 2025 and touching down at SEA. The price was last updated on July 3 2025 and has not changed since.
What is the cheapest month to fly from PIT to SEA?
The cheapest flights from PIT to SEA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Pittsburgh Intl. Airport (PIT) to Seattle - Tacoma Intl. Airport (SEA)?
When setting off from Pittsburgh Intl. Airport (PIT), you can take a nonstop flight to Seattle - Tacoma Intl. Airport (SEA) with Alaska Airlines.
What is the cheapest airline that flies from PIT to SEA?
Fly from PIT to SEA with Alaska Airlines. This carrier currently has the lowest one-way fare on this route, starting at $134. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PIT on July 4 2025. Prices were last updated on July 3 2025 and have not changed since.
How many flights per day from Pittsburgh Intl. Airport (PIT) to Seattle - Tacoma Intl. Airport (SEA)?
On average, just 1 direct flight departs each day from Pittsburgh Intl. Airport (PIT) to Seattle - Tacoma Intl. Airport (SEA). Seeking more options? Use our filters to find flights with layovers and add a new stop to your trip.
What are the most popular departure times for flights from Pittsburgh Intl. Airport (PIT) to Seattle - Tacoma Intl. Airport (SEA)?
More passengers fly between PIT and SEA at 7 PM than at any other point in the day. Looking for a quieter experience? Pick a flight outside the busiest times and there's a chance you'll save on your fare as well.
What day of the week has the most flights from PIT to SEA?
If you travel on a Friday, you'll get the biggest range of choices for flights from Pittsburgh Intl. Airport (PIT) to Seattle - Tacoma Intl. Airport (SEA).
What is the earliest flight from Pittsburgh Intl. Airport (PIT) to Seattle - Tacoma Intl. Airport (SEA)?
Pittsburgh Intl. Airport (PIT)'s earliest flight to Seattle - Tacoma Intl. Airport (SEA) takes off at approximately 7:28PM UTC-5. With a total journey time of 5h 32m, you'll arrive at around 10:00PM UTC-8.
How long does it take to fly from Pittsburgh Intl. Airport (PIT) to Seattle - Tacoma Intl. Airport (SEA)?
The average flight duration from PIT to SEA is 5 hours and 32 minutes, covering a distance of 2,100 mi.
What is the best time to fly from Pittsburgh Intl. Airport (PIT) to Seattle - Tacoma Intl. Airport (SEA)?
To avoid possible delays on the Pittsburgh Intl. Airport (PIT) to Seattle - Tacoma Intl. Airport (SEA) route, aim to fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seattle from Pittsburgh Intl. Airport (PIT)?
If you're taking a direct flight from Pittsburgh Intl. Airport (PIT) to Seattle, Seattle - Tacoma Intl. Airport (SEA) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Pittsburgh Intl. Airport (PIT) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Booking your plane ticket from PIT to SEA just before your getaway is generally more expensive. However, if there's some wiggle room with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a PIT to SEA flight and hotel package?
Securing a PIT to SEA flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our impressive range of hotels and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pittsburgh Intl. Airport (PIT) to Seattle - Tacoma Intl. Airport (SEA)?
If you reserved your PIT to SEA flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

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