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

Bundle Your Flight + Hotel & Save!

    Plan, book, fly with confidence
    trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
    bex rewards loyalty icon
    Book smarter
    Save up to 45% on select hotels after you book a flight*
    payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in
Flights from Pittsburgh (PIT) to St. Louis (STL)
Origin airport
Pittsburgh Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
881 km
Average flight time
1 hour 45 mins

Pittsburgh to St. Louis Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Pittsburgh to St. Louis will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring St. Louis.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with PIT to STL flights that won’t make your bank account wince. Ready to temporarily leave behind Pittsburgh for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to STL with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Pittsburgh Airport to St. Louis Lambert International Airport?
Round-trip tickets between Pittsburgh Intl. Airport (PIT) and St. Louis Lambert International Airport start from . This is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book now to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Pittsburgh Intl. Airport (PIT) to STL?
This varies from airline to airline, as each one has its own set of terms and conditions. Visit the Customer Service Portal, where you’ll find easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from Pittsburgh Airport to Lambert Field that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Pittsburgh Airport to St. Louis Lambert International Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Pittsburgh Intl. Airport (PIT) to STL?
The distance from PIT (PIT) to St. Louis Lambert International Airport (STL) is just 890 kilometers. You’ll be stepping off the plane and collecting your suitcase from the carousel before long.
Which airlines fly direct from Pittsburgh Intl. Airport (PIT) to STL?
A favorite with many travelers, Southwest Airlines (WN) offers 30 flights every month from Pittsburgh Airport to Lambert Field. Pick the one that fits with your travel plans and book your seat today.
Are Pittsburgh Intl. Airport (PIT) to Lambert Field flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Pittsburgh Intl. Airport (PIT) to St. Louis Lambert International Airport can be hit-or-miss. It is possible to find a bargain, but you could also miss out entirely! If you’d rather start planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines issue their prices that far in advance. Our suggestion? Check back often as updates are made frequently.
*Available to Expedia members.