
Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Lambert-St. Louis International Airport (STL)
- Delta
Delta
- American Airlines
American Airlines
- United
United
- Plan, book, fly with confidence
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Cheap flights from Buffalo (BUF) to St. Louis (STL)
Prices were available within the past 7 days and start at CA $163 for one-way flights and CA $324 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Buffalo (BUF) to St. Louis (STL)
August is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Buffalo Niagara Intl. |
Destination airport | Lambert-St. Louis Intl. |
Airlines serving | American Airlines, Delta, United |
Roundtrip price | CA $323 |
Distance | 1076 km |
Buffalo to St. Louis Flights
The easy way to book your flights from Buffalo to St. Louis
With Expedia, it’s simple to find and book flights to St. Louis from Buffalo whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Lambert-St. Louis Intl., too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Buffalo to St. Louis today, tomorrow, or this week.
Save dollars with cheap flights from Buffalo Niagara Intl., BUF to Lambert-St. Louis Intl., STL
Sort your search results by price to find great deals on your flight from Buffalo to St. Louis—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to St. Louis from Buffalo currently is just CA $324 rising to CA $430.
Here are more money-saving tips:
- Fly in September when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to St. Louis
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to St. Louis from Buffalo
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to St. Louis with Expedia today.
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Top Routes from Buffalo
- Buffalo to Newark Liberty Intl. Airport (BUF - EWR)
- Buffalo to Los Angeles (BUF - LAX)
- Buffalo to Raleigh (BUF - RDU)
- Buffalo to Tampa (BUF - TPA)
- Buffalo to Miami (BUF - MIA)
- Buffalo to Fort Lauderdale (BUF - FLL)
- Buffalo to New York (BUF - LGA)
- Buffalo to Boston (BUF - BOS)
- Buffalo to Delhi (BUF - DEL)
- Buffalo to Charlotte (BUF - CLT)
- Buffalo to Denver (BUF - DEN)
- Buffalo to New York (BUF - JFK)
Top Routes to St. Louis
- Ottawa to St. Louis (YOW - STL)
- Newark Liberty Intl. Airport to St. Louis (EWR - STL)
- Calgary to St. Louis (YYC - STL)
- Detroit to St. Louis (DTW - STL)
- New York to St. Louis (LGA - STL)
- Boston to St. Louis (BOS - STL)
- Winnipeg to St. Louis (YWG - STL)
- Halifax to St. Louis (YHZ - STL)
- Québec to St. Louis (YQB - STL)
- New York to St. Louis (JFK - STL)
- Seattle to St. Louis (SEA - STL)
- Montreal to St. Louis (YUL - STL)
Top Routes from Buffalo
- United Buffalo to Newark Liberty Intl. Airport
- JetBlue Airways Buffalo to Los Angeles
- JetBlue Airways Buffalo to Tampa
- JetBlue Airways Buffalo to Fort Lauderdale
- American Airlines Buffalo to New York
- JetBlue Airways Buffalo to Boston
- American Airlines Buffalo to Charlotte
- JetBlue Airways Buffalo to New York
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