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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Flights from St. Louis (STL) to Pittsburgh (PIT)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Pittsburgh Intl.
Distance
881 km
Average flight time
2 hours 36 mins

St. Louis to Pittsburgh Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from St. Louis to Pittsburgh offer the perfect respite. Not only does exploring Pittsburgh provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from St. Louis to Pittsburgh may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from STL to PIT today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Pittsburgh are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Pittsburgh more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Pittsburgh is now!

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.