Cheap flights from St. Louis to Buffalo (STL - BUF) from $67
This is the cheapest one-way flight price, found on 9/19. Prices may vary by date and flight preferences.
The best prices from Lambert-St Louis to Buffalo are usually found in January or April, booked 33 days in advance, depart on a Monday or Thursday and return on a Thursday
How to find the cheapest flight from St. Louis (STL) to Buffalo (BUF)
All the information you need to plan the best STL to BUF flight in 2023: compare St. Louis to Buffalo flight prices with the expected peak season, weather and rainfall in Buffalo.
Popular in | November |
|---|---|
Cheapest in | January |
Round-trip from | $277 |
One-way from | $187 |
STL - BUF Price | $277 - $457 |
|---|---|
BUF Temperature | 24.8 - 71.6 °F |
BUF Rainfall | 2.5 - 4 inches |
What is the cheapest day to fly round-trip from St. Louis to Buffalo?
Flights from St. Louis to Buffalo are found to be more expensive on Monday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Buffalo.
How far in advance should I book a flight from St. Louis to Buffalo?
Travelers have found it’s best to book a flight 33 days in advance to save up to 21% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 33 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Buffalo 1-2 weeks in advance for as low as $396, or $482 for flights within the next 24 hours.
What is the cheapest month to fly from St. Louis to Buffalo?
Due to multiple factors, expect to potentially pay more when booking in November. For low rates, January can be a great choice for travel to Buffalo. Flights to Buffalo from St. Louis in January are about $411 on average during January, but can be found for as low as $263.
When is the cheapest time to fly from St. Louis to Buffalo (STL - BUF)?
It’s optimal to fly from St. Louis to Buffalo at noon. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the morning.
Cheap Frontier flights from St. Louis to Buffalo
Find some of the cheapest Frontier flights traveling from St. Louis to Buffalo. Come back soon if you're not finding the exact deal you're looking for.
Cheap American Airlines flights from St. Louis to Buffalo
Some of the lowest-priced American Airlines flights we've found at this time heading from St. Louis to Buffalo. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Cheap St. Louis to Buffalo flights in September & October 2023
The best prices found for STL to BUF flights for September, October
Check out some of the best flight deals from St. Louis to Buffalo in 2023. More deals are always being added, so be sure to check back regularly.
St. Louis to Buffalo 2023 flight deals
Cheap flights to Buffalo from St. Louis found for this year
Check out some of the best flight deals from St. Louis to Buffalo in 2023. More deals are always being added, so be sure to check back regularly.
St. Louis to Buffalo flights leaving soon
Late deals on return flights to Buffalo from St. Louis, departing today and this week
Check out these flights departing soon from St. Louis to Buffalo. To prevent any unwanted surprises, users should verify their flight info before booking.
One-way flights to Buffalo from St. Louis
The cheapest one-way flights from St. Louis to Buffalo
Take a look at some of the one-way flights we've detected from St. Louis to Buffalo. Those needing a return flight from St. Louis to Buffalo can use the search form above.
Find flights from St. Louis to Buffalo within your budget
Use the slider to find flights from St. Louis to Buffalo that fit your budget.
Fly from
Fly to
Budget
$121 - $304
Route
Depart
Return
Price
Lambert-St LouisBuffalo
STL - BUF
STLBUF
Lambert-St Louis
Tue 10/17
1 stop18h 17m
Buffalo
Tue 10/24
1 stop27h 37m
Lambert-St LouisBuffalo
STL - BUF
STLBUF
Lambert-St Louis
Thu 10/19
1 stop21h 02m
Buffalo
Thu 10/26
1 stop11h 05m
Lambert-St LouisBuffalo
STL - BUF
STLBUF
Lambert-St Louis
Sat 10/28
1 stop9h 11m
Buffalo
Mon 10/30
1 stop19h 32m
Lambert-St LouisBuffalo
STL - BUF
STLBUF
Lambert-St Louis
Sat 10/7
1 stop10h 10m
Buffalo
Wed 10/18
1 stop12h 02m
Lambert-St LouisBuffalo
STL - BUF
STLBUF
Lambert-St Louis
Tue 10/17
1 stop18h 17m
Buffalo
Tue 10/24
2 stops25h 54m
Lambert-St LouisBuffalo
STL - BUF
STLBUF
Lambert-St Louis
Wed 10/25
1 stop15h 36m
Buffalo
Sat 10/28
1 stop11h 06m
Lambert-St LouisBuffalo
STL - BUF
STLBUF
Lambert-St Louis
Wed 10/11
1 stop16h 34m
Buffalo
Thu 10/12
1 stop12h 31m
Lambert-St LouisBuffalo
STL - BUF
STLBUF
Lambert-St Louis
Sat 10/28
1 stop4h 50m
Buffalo
Mon 10/30
2 stops7h 48m
Lambert-St LouisBuffalo
STL - BUF
STLBUF
Lambert-St Louis
Thu 11/23
1 stop3h 46m
Buffalo
Mon 11/27
1 stop7h 58m
Reviews of airlines servicing Buffalo
To help decide which airline to fly from St. Louis to Buffalo, see what other customers have to say about Frontier, American Airlines and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Overall
Comfort
Crew
Food
Boarding
Reviews
The AC vents were FILTHY, and the last 4 rows kept having water and ice sprayed on them from the vents. Update and clean your planes, delta.
Entertainment
Overall
Comfort
Crew
Food
Boarding
Reviews
The AC vents were FILTHY, and the last 4 rows kept having water and ice sprayed on them from the vents. Update and clean your planes, delta.
Entertainment
Overall
Comfort
Crew
Food
Boarding
Reviews
The AC vents were FILTHY, and the last 4 rows kept having water and ice sprayed on them from the vents. Update and clean your planes, delta.
Entertainment
Overall
Comfort
Crew
Food
Boarding
Reviews
The AC vents were FILTHY, and the last 4 rows kept having water and ice sprayed on them from the vents. Update and clean your planes, delta.
Entertainment
Overall
Comfort
Crew
Food
Boarding
Reviews
The AC vents were FILTHY, and the last 4 rows kept having water and ice sprayed on them from the vents. Update and clean your planes, delta.
Related info for your journey
Useful info, stats and facts about St. Louis to Buffalo flights.
Can I find flights from St. Louis to Buffalo for under $200 on Cheapflights?
Yes, there are multiple flights from St. Louis to Buffalo for under $200. The cheapest flight booked recently is on Multiple Airlines for just $121, but on average you can expect to pay $238.
Are there last-minute flights available from St. Louis to Buffalo for under $300?
There are currently 20+ open flights from St. Louis to Buffalo within the next 7 days for less than $300.
What are the cheapest airlines flying from St. Louis to Buffalo round-trip?
According to our current data, Frontier ($163), American Airlines ($265), and Delta ($304) offers the cheapest pricing from St. Louis to Buffalo. Frontier is currently priced 60% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from St. Louis to Buffalo one-way?
$130 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Frontier and United Airlines, with prices starting from $164 and $273, respectively.
What are the most popular airlines that fly from St. Louis to Buffalo?
Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from St. Louis to Buffalo.
What does STL to BUF mean?
STL and BUF are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to BUF refers to a flight route from Lambert-St Louis Airport to Buffalo Airport.