C$112 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 C$329. 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 May.

Which airlines fly 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 foundC$112
Cheapest month to flyJune
Average flight time4 hrs, 44 mins
Most popular airlineAlaska Airlines
Average flights per week13

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 C$224. 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 44 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 13 flights per week flying from Seattle to Pittsburgh International.
The cheapest month to fly from Seattle to Pittsburgh International is usually May.
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, May 6, 2026.
Yes – the average flight time is 4 hours and 44 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.

Flying from Seattle to Pittsburgh International Airport (PIT): what you need to know

  • Get your trip started at Seattle-Tacoma International Airport (SEA), the main airport in Seattle. Look for flights from Seattle to Pittsburgh International Airport (PIT) that fly out of this terminal.

  • Book a direct flight from Seattle to Pittsburgh International Airport and you'll be in the air for an average of 4 hours 38 minutes.

  • Pittsburgh International Airport is located in Pittsburgh. The city operates in the UTC-4 timezone and is 3 hours ahead of Seattle.

  • Seattle-Tacoma International Airport (SEA) to Pittsburgh International Airport (PIT) is the most popular route. There are 8 direct departures a week to pick from. If you have things to do before leaving, hop on the last flight with Alaska Airlines at 22:45. Opt for the first SEA to PIT departure operated by Delta at 08:00 if you want to get going earlier.

  • 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 for international travel.

  • July is a busy month for travelling. If you're heading away then or during a major holiday like Fourth of July, turn up even earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) makes it easy to travel directly to your destination. Nonstop flights from Seattle to Pittsburgh International Airport (PIT) can be booked from this terminal.

  • If you want to leave from SEA, you can catch a direct flight from Seattle to Pittsburgh International Airport with Alaska Airlines.

  • From the centre of Seattle, SEA is around 23 kilometres away. Use navigation apps or check the official airport website to find the best way to arrive at the terminal.

  • Catching an early flight from Seattle to Pittsburgh International Airport? Avoid the last-minute rush to the terminal (and sneak in some extra snooze time) by picking one of these stays close to Seattle-Tacoma International Airport:

Lake Union Sea Plane Base (LKE)

  • Planning to leave from Lake Union Sea Plane Base (LKE)? You can book a direct flight from Seattle to Pittsburgh International Airport (PIT) out of this hub.

  • Alaska Airlines has direct flights from Seattle to PIT departing from LKE. Book your favourite aisle (or window) seat and get to your destination without any detours.

  • LKE is about 3 kilometres from central Seattle. It'll take 11 minutes or so to get to the airport by car from the city centre. Public transport takes approximately 23 minutes.

  • Start your vacation early with an additional night away from home. Before your flight from Seattle to PIT, chill out in one of these hotels close to Lake Union Sea Plane Base:

About Pittsburgh International Airport (PIT)

Getting from Pittsburgh International Airport (PIT) to central Pittsburgh

  • From Pittsburgh International Airport, Pittsburgh is approximately 27 kilometres away. It takes around 24 minutes to reach the centre driving.

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

  • C$112 is the lowest price we've seen for a one-way ticket from Seattle to Pittsburgh International Airport. Return flights start from C$224. Fares are subject to availability and may change at any time.

  • Score flight tickets from Seattle to PIT by booking at least 1 month ahead. According to flight price data, that's the sweet spot for bagging a bargain.

  • The cheapest month for tickets from Seattle to Pittsburgh International Airport is October. Use the 'Whole month' search feature to find the most affordable day to fly if you're flexible with your departure dates.

  • Create a Price Alert and keep track of changes on this route through email or push notifications. You'll be the first to know when prices go down. It's all about timing when scoring flight tickets from Seattle to PIT.

  • Make the most of the filters to find your ideal trip. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Seattle to Pittsburgh International Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and number of stops.

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. To skip the crowds, travel to Pittsburgh in April when it's quieter.

  • When booking your flight from Seattle to PIT, think about the kind of weather you enjoy. July is the warmest month in Pittsburgh, with the temperature ranging from 15ºC to 31ºC.

  • If you'd rather travel in cooler conditions, search for a cheap flight from Seattle to Pittsburgh International Airport in January when temperatures average between -10ºC and 6ºC.

More about Pittsburgh

Complete your Pittsburgh trip with a car rental

  • Finding you a cheap flight from Seattle to Pittsburgh International Airport isn't our only cool trick. Check out our car rentals in Pittsburgh and explore the city on your own terms. We search for deals from trusted car rental companies and put them all in one place. You can instantly compare rates and then book with no fees.

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