
$120 Cheap American Airlines flights from St. Louis to Buffalo (STL to BUF)
Find The Best Day To Fly from St. Louis to Buffalo
Amazing American Airlines STL to BUF Flight Deals
The cheapest flights to Buffalo Niagara Intl. found within the past 7 days were $240 round trip and $120 one way. Prices and availability subject to change. Additional terms may apply.
BUF From STL Economy Coach Packages on Similar Airlines



Frequently asked questions
Discover our best American Airlines flight from St. Louis STL to Buffalo BUF
To find the best deals on flights to St. Louis from Buffalo with American Airlines, just enter your travel dates, filter by American Airlines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from St. Louis STL to Buffalo BUF with American Airlines
If you’re planning a round trip, booking return flights with American Airlines is usually the most cost-effective option. With airfares ranging from $240 to $280, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way American Airlines flights from St. Louis STL to Buffalo BUF
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way American Airlines flight from St. Louis to Buffalo costs from $120. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Buffalo BUF from St. Louis STL with American Airlines
To find a cheap American Airlines flight from St. Louis STL to Buffalo BUF, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on American Airlines flights from St. Louis STL to Buffalo BUF
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as May, or if you book a flight with a stopover.
Find nonstop flights from St. Louis STL to Buffalo BUF with American Airlines
If you’re keen to be on Buffalo soil fast, don’t waste time with a stopover—filter your search results to show direct American Airlines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for American Airlines flights from St. Louis STL to Buffalo BUF
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to Buffalo BUF from St. Louis STL with American Airlines on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
DFW | USA | Dallas-Fort Worth Intl. | 599 |
CLT | USA | Charlotte-Douglas Intl. | 536 |
ORD | USA | O'Hare Intl. | 317 |
PHL | USA | Philadelphia Intl. | 247 |
MIA | USA | Miami Intl. | 193 |
DCA | USA | Ronald Reagan Washington National | 152 |
PHX | USA | Sky Harbor Intl. | 141 |
LAX | USA | Los Angeles Intl. | 81 |
LGA | USA | LaGuardia | 72 |
BOS | USA | Logan Intl. | 57 |
Travelers ❤️ these 🏨 after their flight to Buffalo

Reviewed on Apr 19, 2025

Reviewed on Apr 21, 2025

Reviewed on Apr 20, 2025
Popular American Airlines Flight Routes from STL
- American Airlines STL to LHR
- American Airlines STL to MCO
- American Airlines STL to CLT
- American Airlines STL to EWR
- American Airlines STL to VPS
- American Airlines STL to SEA
- American Airlines STL to DEN
- American Airlines STL to LAS
- American Airlines STL to SJU
- American Airlines STL to LGA
- American Airlines STL to SLC
Top American Airlines Flight Routes from BUF
- American Airlines BUF to JFK
- American Airlines BUF to LAS
- American Airlines BUF to SJU
- American Airlines BUF to LGA
- American Airlines BUF to AUA
- American Airlines BUF to PHX
- American Airlines BUF to FLL
- American Airlines BUF to DFW
- American Airlines BUF to RSW
- American Airlines BUF to MIA
- American Airlines BUF to EWR
- American Airlines BUF to BOS
Top Flights for American Airlines originating from STL
Domestic
- Los Angeles to Paris (LAX - CDG)
- New York to Orlando (LGA - MCO)
- Newark Liberty Intl. Airport to Las Vegas (EWR - LAS)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Chicago to Orlando (ORD - MCO)
- Chicago to Las Vegas (ORD - LAS)
- Orlando to San Juan (MCO - SJU)
- Chicago to Las Vegas (ORD - LAS)
- Los Angeles to San Salvador (LAX - SAL)
- Newark Liberty Intl. Airport to Miami (EWR - MIA)
International
- New York to San Juan (JFK - SJU)
- Chicago to Las Vegas (ORD - LAS)
- New York to Montego Bay (JFK - MBJ)
- Chicago to Orlando (ORD - MCO)
- Newark Liberty Intl. Airport to Las Vegas (EWR - LAS)
- Lisbon to Toronto (LIS - YYZ)
- Los Angeles to Honolulu (LAX - HNL)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- New York to Montego Bay (JFK - MBJ)
- Lisbon to Toronto (LIS - YYZ)