$80+ Cheap flights from Buffalo to St. Louis (BUF - STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — STL
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Find cheap flights from Buffalo to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Buffalo to St. Louis
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Best
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Cheapest flights from Buffalo to St. LouisExplore the most affordable flight options available from Buffalo to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
Explore the most affordable flight options available from Buffalo to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:13 pm
BUF
- STL
1 stop21h 27m
Frontier
Tue 10/1310:35 am
STL
- BUF
1 stop24h 43m
Frontier
Deal found 8/3![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:36 am
BUF
- STL
1 stop6h 46m
Frontier
Fri 9/46:17 pm
STL
- BUF
1 stop15h 12m
Frontier
Deal found 7/30![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:49 pm
BUF
- STL
1 stop28h 45m
Frontier
Mon 9/285:19 pm
STL
- BUF
1 stop23h 30m
Frontier
Deal found 7/30![Frontier logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:36 am
BUF
- STL
1 stop26h 34m
Frontier
Tue 9/1512:17 pm
STL
- BUF
2 stops23h 38m
Frontier
Deal found 7/31![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:36 am
BUF
- STL
2 stops28h 52m
Frontier
Sun 8/236:17 pm
STL
- BUF
1 stop15h 12m
Frontier
Deal found 8/1![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:13 pm
BUF
- STL
1 stop21h 27m
Frontier
Sun 10/258:34 pm
STL
- BUF
2 stops14h 44m
Frontier
Deal found 7/31![Frontier logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:36 am
BUF
- STL
1 stop6h 46m
Frontier
Wed 9/26:45 pm
STL
- BUF
2 stops14h 44m
Frontier
Deal found 7/30![Frontier logo]()
$273
Best flights from Buffalo to St. LouisDiscover carefully curated flight deals from Buffalo to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
Discover carefully curated flight deals from Buffalo to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:36 am
BUF
- STL
1 stop6h 46m
Frontier
Sun 8/236:17 pm
STL
- BUF
1 stop15h 12m
Frontier
Deal found 8/1![Frontier logo]()
$287
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:35 pm
BUF
- STL
1 stop7h 00m
Southwest
Tue 9/296:30 am
STL
- BUF
2 stops6h 50m
Southwest
Deal found 7/30![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:02 pm
BUF
- STL
1 stop4h 12m
Delta
Fri 9/116:40 am
STL
- BUF
1 stop3h 42m
Delta
Deal found 7/31![Delta logo]()
$327
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:30 pm
BUF
- STL
1 stop7h 40m
Southwest
Wed 10/73:20 pm
STL
- BUF
1 stop6h 00m
Southwest
Deal found 8/3![Southwest logo]()
$335
This Southwest deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:50 am
BUF
- STL
1 stop6h 50m
Southwest
Tue 9/86:30 am
STL
- BUF
1 stop3h 50m
Southwest
Deal found 8/2![Southwest logo]()
$335
This Southwest deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:05 am
BUF
- STL
2 stops8h 05m
Southwest
Wed 9/235:55 am
STL
- BUF
1 stop5h 35m
Southwest
Deal found 8/3![Southwest logo]()
$340
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:55 pm
BUF
- STL
1 stop6h 50m
Southwest
Sun 9/276:00 am
STL
- BUF
1 stop3h 50m
Southwest
Deal found 7/30![Southwest logo]()
$353
Last-minute flights from Buffalo to St. LouisDiscover last-minute flight deals from Buffalo to St. Louis. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Buffalo to St. Louis. Data last updated August 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/142:48 pm
BUF
- STL
1 stop19h 09m
Frontier
Sun 8/164:09 pm
STL
- BUF
2 stops20h 44m
Frontier
Deal found 8/1![Frontier logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:36 am
BUF
- STL
2 stops28h 52m
Frontier
Sun 8/236:17 pm
STL
- BUF
1 stop15h 12m
Frontier
Deal found 8/1![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:36 am
BUF
- STL
1 stop6h 46m
Frontier
Wed 9/26:45 pm
STL
- BUF
2 stops14h 44m
Frontier
Deal found 7/30![Frontier logo]()
$273
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:21 pm
BUF
- STL
1 stop7h 13m
American Airlines
Wed 9/26:00 am
STL
- BUF
1 stop5h 20m
American Airlines
Deal found 7/30![American Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2811:36 am
BUF
- STL
1 stop6h 46m
Frontier
Fri 9/46:17 pm
STL
- BUF
1 stop15h 12m
Frontier
Deal found 7/30![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:36 am
BUF
- STL
1 stop26h 34m
Frontier
Tue 9/1512:17 pm
STL
- BUF
2 stops23h 38m
Frontier
Deal found 7/31![Frontier logo]()
$227
This CheapOair deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:49 pm
BUF
- STL
1 stop28h 45m
Frontier
Mon 9/285:19 pm
STL
- BUF
1 stop23h 30m
Frontier
Deal found 7/30![Frontier logo]()
$220
One-way flights from Buffalo to St. LouisSearch for one-way flight options from Buffalo to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Buffalo to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:13 pm
BUF
- STL
1 stop21h 27m
Frontier
Deal found 8/3![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:40 pm
BUF
- STL
2 stops46h 52m
Frontier
Deal found 7/30![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:13 pm
BUF
- STL
2 stops34h 26m
Frontier
Deal found 7/30![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:36 am
BUF
- STL
2 stops31h 14m
Frontier
Deal found 7/30![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:36 am
BUF
- STL
1 stop6h 46m
Frontier
Deal found 7/30![Frontier logo]()
$144
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:55 am
BUF
- STL
1 stop6h 55m
Southwest
Deal found 7/30![Southwest logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:45 pm
BUF
- STL
2 stops22h 32m
Frontier
Deal found 8/2![Frontier logo]()
$158
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:48 pm
BUF
- STL
1 stop6h 53m
United Airlines
Deal found 8/2![United Airlines logo]()
$168
This CheapOair deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:54 pm
BUF
- STL
1 stop22h 17m
Frontier
Deal found 7/30![Frontier logo]()
$170
This Delta deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:10 am
BUF
- STL
1 stop4h 34m
Delta
Deal found 8/3![Delta logo]()
$184
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:55 pm
BUF
- STL
2 stops7h 10m
Southwest
Deal found 7/30![Southwest logo]()
$189
Find flight deals from Buffalo to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $176 (Kiwi.com) |
One-way from | $80 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $391 |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 4, 2026.
Use the filters below to find and compare flights from Buffalo to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BuffaloSt. Louis
BUF - STL
BUFSTL
Buffalo
Thu 8/20
11:36 am-5:22 pm
1 stop6h 46m
Lambert-St Louis
Sun 8/23
6:17 pm-10:29 am
1 stop15h 12m
$287
BuffaloSt. Louis
BUF - STL
BUFSTL
Buffalo
Mon 9/28
4:35 pm-10:35 pm
1 stop7h 00m
Lambert-St Louis
Tue 9/29
6:30 am-2:20 pm
2 stops6h 50m
$314
Quickest round-trip
BuffaloSt. Louis
BUF - STL
BUFSTL
Buffalo
Thu 9/10
12:02 pm-3:14 pm
1 stop4h 12m
Lambert-St Louis
Fri 9/11
6:40 am-11:22 am
1 stop3h 42m
$327
BuffaloSt. Louis
BUF - STL
BUFSTL
Buffalo
Mon 10/5
4:30 pm-11:10 pm
1 stop7h 40m
Lambert-St Louis
Wed 10/7
3:20 pm-10:20 pm
1 stop6h 00m
$335
BuffaloSt. Louis
BUF - STL
BUFSTL
Buffalo
Tue 9/1
6:50 am-12:40 pm
1 stop6h 50m
Lambert-St Louis
Tue 9/8
6:30 am-11:20 am
1 stop3h 50m
$335
BuffaloSt. Louis
BUF - STL
BUFSTL
Buffalo
Wed 9/16
8:05 am-3:10 pm
2 stops8h 05m
Lambert-St Louis
Wed 9/23
5:55 am-12:30 pm
1 stop5h 35m
$340
BuffaloSt. Louis
BUF - STL
BUFSTL
Buffalo
Thu 9/24
3:55 pm-9:45 pm
1 stop6h 50m
Lambert-St Louis
Sun 9/27
6:00 am-10:50 am
1 stop3h 50m
$353
Cheapest one-way
BuffaloSt. Louis
BUF - STL
BUFSTL
Buffalo
Thu 10/8
1:13 pm-9:40 am
1 stop21h 27m
$80
BuffaloSt. Louis
BUF - STL
BUFSTL
Buffalo
Thu 11/5
1:13 pm-9:40 am
1 stop21h 27m
$80
BuffaloSt. Louis
BUF - STL
BUFSTL
Buffalo
Mon 9/21
1:40 pm-11:32 am
2 stops46h 52m
$127
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Buffalo to St. Louis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to St. Louis in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Buffalo-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Buffalo to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Buffalo with our price prediction graph.
BUF-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Buffalo to St. Louis
What is the cheapest month to book a flight from Buffalo to St. Louis?
Currently, January is the cheapest month in which you can book a flight from Buffalo to St. Louis (average of $321). Flying from Buffalo to St. Louis in March is currently the most expensive (average of $676). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Buffalo to St. Louis?
Airfare is below average for this route at the moment.
Buffalo to St. Louis flights typically cost between $391 and $428 in October.The cheapest round-trip price found within the last 5 days was $176 on Frontier (Oct 9-Oct 13).
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated August 4, 2026.
Read through reviews of airlines operating flights from Buffalo to St. Louis, such as Southwest,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Related info for your journey
Find useful and relevant information for your journey from Buffalo to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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Buffalo and St. Louis flights
Browse other Buffalo and St. Louis flight options. Last updated on August 4, 2026.
Other flights from Buffalo
Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on August 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 4, 2026.
Top 3 airlines flying from Buffalo to St. Louis
Discover the top 3 airlines that operate flights from Buffalo to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$417 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$243 | Average$391 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$317 | Average$411 | FlexibilityNo cancel fee | On-time63% |