Cheap Flights from St. Louis (STL) to Pittsburgh (PIT)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Pittsburgh Intl. Airport (PIT)

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Frequently asked questions

Is it cheaper to buy a plane ticket from Lambert Field to PIT last minute?
Being a spontaneous soul is a fabulous way to discover the world, but it's not necessarily the best way to land a cheap plane ticket. It's better to book your STL to PIT trip ahead of time rather than leaving it till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Save all that spontaneity for when you arrive in PIT!
What airports do you fly into for Pittsburgh from St. Louis?
From St. Louis, you can journey to Pittsburgh via Pittsburgh Intl. Airport (PIT), Morgantown Municipal Airport (MGW) and Allegheny County Airport (AGC). It's wise to check which terminal is best for you before making your decision. If you choose Pittsburgh Intl. Airport (PIT), it's approximately 23 kilometers west of downtown. Use the cash you save when booking your ticket with Expedia to check out the city's awesome attractions, such as Duquesne Incline and Rivers Casino.
Can I change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to PIT?
It's so easy to make changes to your STL to PIT trip yourself. Just log in to the Expedia Trips portal and click on "change flight." Look around for new flights and secure the one that works best. You'll get an estimate of applicable flight change fees. You can also head to our Customer Service portal to chat to our Virtual Agent and quickly get answers to your questions.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Pittsburgh Intl.
Distance
881 km
Average flight time
2 hours 36 mins

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