Cheap flights from Seattle to Pittsburgh from $89

In general, February is the cheapest month to fly from Seattle to Pittsburgh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $274. The month of March is another great option to travel to Pittsburgh, with average flight prices from Seattle averaging around $297.

The cheapest day to depart on your flight to Pittsburgh is on a Tuesday when prices can be found for as low as $358. This is often the case because there is less demand to fly during this day of the week. Flights from Seattle to Pittsburgh on a Sunday will generally be more expensive and average around $416. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Seattle to Pittsburgh flights are usually those with departure times in the evening. Our users have found flights to Pittsburgh in the evening for as low as $364. Flights to Pittsburgh are more costly in the morning, with an average ticket price of $406. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Seattle/Tacoma Intl to Pittsburgh for the best Seattle/Tacoma Intl - Pittsburgh flight prices

You are more likely to see cheaper flights to Pittsburgh from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Pittsburgh for around $353 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pittsburgh from Seattle for as low as $246 on momondo.

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Pittsburgh flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 8% on your flight if you consider stops on a Seattle to Pittsburgh flight.

As of March 2026, prices for Seattle to Pittsburgh flights are approximately 40% more expensive when compared to flights at the same time last year.

Southwest, Delta, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Pittsburgh

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Pittsburgh from Seattle according to our data. Alaska Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Pittsburgh. Keep in mind that there are 6 different airlines that fly to Pittsburgh on a routine basis, so you have a few additional options to choose from.

Chicago (ORD) was the most common stop: 25% of momondo users choosing 1-stop flights on this route connected there.

Flights via Salt Lake City (SLC) offer the lowest average round-trip price of $197.

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 6h 58m.

Detroit (DTW) has the shortest average layover time for this route: 1h 12m.