Cheap Flights from Seattle (SEAA) to Pittsburgh International (PIT)

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Flight deals from Seattle to Pittsburgh International Airport

Looking for a cheap last-minute deal or the best return flight from Seattle to Pittsburgh International Airport? If you want to travel next month, return fares start from £148. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Pittsburgh International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Pittsburgh International flights are currently cheapest in April.

Direct flights from Seattle to Pittsburgh International

Seattle to Pittsburgh International: Alternative routes

Compare routes from Seattle to Pittsburgh below. You may find an airport to fly into that's cheaper, faster, or easier than Pittsburgh International.

Seattle to Pittsburgh: Flight information

The things to know before you go.
Cheapest flight found£148
Cheapest month to flyApril
Average flight time4 hrs, 42 mins
Most popular airlineAlaska Airlines
Average flights per week21

Finding cheap flights from Seattle to Pittsburgh International: Frequently asked questions

The best price we found for a return flight from Seattle to Pittsburgh International is £148. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 42 minutes is the average flight time from Seattle to Pittsburgh International.
Alaska Airlines, Hawaiian Airlines and Finnair fly direct from Seattle to Pittsburgh International.
As of March 2026, there are 21 flights per week flying from Seattle to Pittsburgh International.
The cheapest month to fly from Seattle to Pittsburgh International is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Pittsburgh International Airport on Wednesday, 1 April 2026.
Yes – the average flight time is 4 hours and 42 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Pittsburgh International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Pittsburgh is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from Seattle to Pittsburgh International Airport (PIT): What you need to know

  • Your trip gets off the ground at Seattle's main airport, Seattle-Tacoma International Airport (SEA). Explore the options for reserving a flight from Seattle to Pittsburgh International Airport (PIT) leaving from this base.

  • 4 hours 40 minutes is the average travel time for a direct Seattle to Pittsburgh International Airport flight.

  • Pittsburgh International Airport is located in Pittsburgh. The city runs on the UTC-4 timezone and is three hours ahead of Seattle.

  • You can choose from 9 direct flights a week between Seattle-Tacoma International Airport (SEA) and Pittsburgh International Airport (PIT). This is the most popular route, with Alaska Airlines offering a 10:30am departure from SEA to PIT.

  • Your flight from Seattle to PIT won't wait if you're late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Delays at security and check-in are likely if you're flying during high season, so allow a bit more breathing room. The recommendation for peak times? Arrive up to four hours early for international flights and two hours for domestic departures.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) will have you travelling directly to your destination. Nonstop flights from Seattle to Pittsburgh International Airport (PIT) operate out of this terminal.

  • Alaska Airlines is a popular carrier that offers direct flights from Seattle to Pittsburgh International Airport departing from SEA.

  • Most travellers prefer to fly with Alaska Airlines from SEA to PIT.

  • Alaska Airlines is the leading carrier for punctuality on this route, with 88.64% of services landing on schedule.

  • Located around 23 kms (14 miles) from the centre of Seattle, SEA can be reached in about 20 minutes by car (depending on traffic). The journey by public transport takes roughly 55 minutes.

  • Catching an early flight from Seattle to Pittsburgh International Airport? Avoid rushing to the terminal (and enjoy a little extra shut-eye) by staying at one of these stays close to Seattle-Tacoma International Airport:

  • 81.27% of flights departing from Seattle-Tacoma International Airport touch down at their destination according to schedule. With its solid on-time performance, delays are unlikely when taking off from SEA.

Lake Union Sea Plane Base Airport (LKE)

  • LKE is around 3 kms (2 miles) from central Seattle. It'll take you 10 minutes or so to get to the airport if you're driving from the city centre. Public transport takes approximately 25 minutes.

  • Start your holiday sooner with an extra night away from home. Before your Seattle to PIT flight, unwind in one of these hotels near Lake Union Sea Plane Base Airport:

About Pittsburgh International Airport (PIT)

How to find the cheapest flights from Seattle to Pittsburgh International Airport (PIT)

  • £74 is the lowest price for a one-way ticket from Seattle to Pittsburgh International Airport. Return flights start from £148. These prices can change based on demand and availability.

  • To score cheap flights from Seattle to PIT, book your plane ticket five months ahead of your planned departure.

  • October is when you're most likely to find a good deal on a Seattle to Pittsburgh International Airport ticket. If you're looking to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • Spend less time searching for cheap plane tickets from Seattle to PIT by setting up a Price Alert. We'll send you an email or notification through the app when a lower fare pops up.

  • Tailor your trip using filters. Pick your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Seattle to Pittsburgh International Airport.

The best time to fly from Seattle to Pittsburgh International Airport (PIT)

  • July is the busiest month for flights from Seattle to Pittsburgh International Airport (PIT). Plan your visit to Pittsburgh in April for a quieter experience.

  • Book a Seattle to PIT plane ticket departing in July if you're eager to explore the city during its warmest month. Expect temperatures in Pittsburgh to range from 15ºC (59ºF) to 31ºC (88ºF).

  • Search for cheap tickets from Seattle to Pittsburgh International Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -10ºC (14ºF) and 6ºC (43ºF).

More about Pittsburgh

Explore more of the United States

  • Columbus is just one of the many places in the United States waiting to be explored once you've taken in the sights of Pittsburgh. Around 241 kms (150 miles) away to the west, top sights here include Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Easton Town Centre.

  • If you're interested in discovering another great destination in the United States, consider Cleveland, about 161 kms (100 miles) north-west of Pittsburgh. Rock & Roll Hall of Fame & Museum, Cleveland Museum of Art and Cleveland Museum of Natural History are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.