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Cheap flights from Buffalo to St. Louis from $155

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:03 pm - 11:59 pmBUF  Buffalo-STL Lambert-St Louis
11h 56m1 stop Orlando
Frontier Logo
1:20 pm - 8:24 pmSTL  Lambert-St Louis-BUF Buffalo
6h 04m1 stop Orlando
$245Frontier
Sat, Nov 21 - Fri, Nov 27
Frontier Logo
9:20 pm - 11:59 pmBUF  Buffalo-STL Lambert-St Louis
27h 39m1 stop Orlando
Frontier Logo
1:20 pm - 8:24 pmSTL  Lambert-St Louis-BUF Buffalo
6h 04m1 stop Orlando
$255Frontier
Tue, Nov 24 - Fri, Nov 27
Frontier Logo
2:30 pm - 12:12 amBUF  Buffalo-STL Lambert-St Louis
10h 42m1 stop Orlando
Frontier Logo
5:58 pm - 5:40 pmSTL  Lambert-St Louis-BUF Buffalo
22h 42m1 stop Orlando
$270Frontier
Mon, Dec 14 - Mon, Dec 21
Delta Logo
6:00 am - 11:47 amBUF  Buffalo-STL Lambert-St Louis
6h 47m1 stop New York LaGuardia
Delta Logo
5:38 pm - 11:59 pmSTL  Lambert-St Louis-BUF Buffalo
5h 21m1 stop Atlanta Hartsfield-Jackson
$309Delta
Thu, Nov 5 - Sat, Nov 7
Southwest Logo
3:05 pm - 9:00 pmBUF  Buffalo-STL Lambert-St Louis
6h 55m1 stop Baltimore/Washington
Southwest Logo
6:25 am - 1:30 pmSTL  Lambert-St Louis-BUF Buffalo
6h 05m1 stop Baltimore/Washington
$309Southwest
Thu, Nov 5 - Sat, Nov 7
Southwest Logo
5:00 pm - 9:55 pmBUF  Buffalo-STL Lambert-St Louis
5h 55m1 stop Nashville Intl
Southwest Logo
7:15 am - 2:00 pmSTL  Lambert-St Louis-BUF Buffalo
5h 45m1 stop Tampa
$309Southwest
Tue, Dec 8 - Thu, Dec 10
Southwest Logo
2:30 pm - 8:30 pmBUF  Buffalo-STL Lambert-St Louis
7h 00m1 stop Denver Intl
Southwest Logo
5:10 pm - 11:50 pmSTL  Lambert-St Louis-BUF Buffalo
5h 40m1 stop Baltimore/Washington
$309Southwest
Sat, Nov 7 - Mon, Nov 9
Delta Logo
6:24 am - 9:19 amBUF  Buffalo-STL Lambert-St Louis
3h 55m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:32 am - 11:24 amSTL  Lambert-St Louis-BUF Buffalo
3h 52m1 stop Detroit Metropolitan Wayne County
$341Delta
Thu, Dec 3 - Sun, Dec 6
American Airlines Logo
11:26 am - 4:47 pmBUF  Buffalo-STL Lambert-St Louis
6h 21m1 stop Chicago O'Hare Intl
American Airlines Logo
9:59 am - 3:51 pmSTL  Lambert-St Louis-BUF Buffalo
4h 52m1 stop Boston Logan Intl
$381American Airlines
Thu, Dec 3 - Sun, Dec 6
American Airlines Logo
6:00 am - 12:36 pmBUF  Buffalo-STL Lambert-St Louis
7h 36m1 stop Philadelphia
American Airlines Logo
8:33 am - 5:39 pmSTL  Lambert-St Louis-BUF Buffalo
8h 06m1 stop New York LaGuardia
$417American Airlines
Thu, Dec 3 - Sun, Dec 6

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Delta flights from Buffalo to St. Louis

Our best Delta deals on Buffalo to St. Louis flight tickets
Delta
Nov 5
BUF6:00 amBuffalo
6h 47m
1 stop
STL11:47 amLambert-St Louis
Nov 7
STL5:38 pmLambert-St Louis
5h 21m
1 stop
BUF11:59 pmBuffalo
$309
Delta
Nov 5
BUF6:00 amBuffalo
6h 47m
1 stop
STL11:47 amLambert-St Louis
Nov 8
STL6:47 amLambert-St Louis
3h 20m
1 stop
BUF11:07 amBuffalo
$341
Delta
Nov 5
BUF6:00 amBuffalo
6h 47m
1 stop
STL11:47 amLambert-St Louis
Nov 7
STL5:38 pmLambert-St Louis
5h 21m
1 stop
BUF11:59 pmBuffalo
$443

Southwest flights from Buffalo to St. Louis

Our best Southwest deals on Buffalo to St. Louis flight tickets
Southwest
Nov 5
BUF3:05 pmBuffalo
6h 55m
2 stops
STL9:00 pmLambert-St Louis
Nov 7
STL6:25 amLambert-St Louis
6h 05m
1 stop
BUF1:30 pmBuffalo
$314
Southwest
Nov 7
BUF1:10 pmBuffalo
8h 00m
2 stops
STL8:10 pmLambert-St Louis
Nov 9
STL4:40 pmLambert-St Louis
6h 10m
2 stops
BUF11:50 pmBuffalo
$319
Southwest
Nov 5
BUF4:00 pmBuffalo
4h 50m
1 stop
STL7:50 pmLambert-St Louis
Nov 7
STL5:45 amLambert-St Louis
6h 45m
2 stops
BUF1:30 pmBuffalo
$334

momondo Fare Finder

 
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

Price

Cheapest round-trip

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Sat 11/21

1:03 pm-11:59 pm

1 stop11h 56m

Lambert-St Louis

Fri 11/27

1:20 pm-8:24 pm

1 stop6h 04m

$245

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Tue 11/24

9:20 pm-11:59 pm

1 stop27h 39m

Lambert-St Louis

Fri 11/27

1:20 pm-8:24 pm

1 stop6h 04m

$255

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Mon 12/14

2:30 pm-12:12 am

1 stop10h 42m

Lambert-St Louis

Mon 12/21

5:58 pm-5:40 pm

1 stop22h 42m

$270

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 11/5

6:00 am-11:47 am

1 stop6h 47m

Lambert-St Louis

Sat 11/7

5:38 pm-11:59 pm

1 stop5h 21m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 11/5

3:05 pm-9:00 pm

1 stop6h 55m

Lambert-St Louis

Sat 11/7

6:25 am-1:30 pm

1 stop6h 05m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Tue 12/8

5:00 pm-9:55 pm

1 stop5h 55m

Lambert-St Louis

Thu 12/10

7:15 am-2:00 pm

1 stop5h 45m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Sat 11/7

2:30 pm-8:30 pm

1 stop7h 00m

Lambert-St Louis

Mon 11/9

5:10 pm-11:50 pm

1 stop5h 40m

$309
Quickest round-trip

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 12/3

6:24 am-9:19 am

1 stop3h 55m

Lambert-St Louis

Sun 12/6

6:32 am-11:24 am

1 stop3h 52m

$341

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 12/3

11:26 am-4:47 pm

1 stop6h 21m

Lambert-St Louis

Sun 12/6

9:59 am-3:51 pm

1 stop4h 52m

$381

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 12/3

6:00 am-12:36 pm

1 stop7h 36m

Lambert-St Louis

Sun 12/6

8:33 am-5:39 pm

1 stop8h 06m

$417

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Buffalo to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Buffalo and St. Louis?

Prices are currently low for flights on this route.

Typical prices usually range from $291 to $486.
The lowest price recently found on this route was $245.

What is the cheapest month to fly to St. Louis?

In general, December is the cheapest month to fly from Buffalo to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $327. The month of January is another great option to travel to St. Louis, with average flight prices from Buffalo averaging around $357.

How have Buffalo to St. Louis flight prices changed over time?

When to book flights from Buffalo to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to St. Louis (BUF to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to St. Louis

Best Price Found

$155

Fastest flight time

4h 10m

Direct flights

None
The best one-way flight to St. Louis from Buffalo in the past 72 hours is $155. The best round-trip flight deal from Buffalo to St. Louis found on momondo in the last 72 hours is $245.
The fastest flight from Buffalo to St. Louis takes 4h 10m
There are no direct flights from Buffalo to St. Louis. There are no popular flight routes from Buffalo to St. Louis.
Search flight deals

Frequently asked questions about flying from Buffalo to St. Louis

  • How far is Buffalo to Lambert-St Louis by plane?

    A flight from Buffalo to Lambert-St Louis will travel around 660.3 mi. Flights usually cover this in 4h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Buffalo Airport to Lambert-St Louis Airport?

    Prices for flights from Buffalo Airport to Lambert-St Louis Airport were last updated today.

  • How many operators does momondo search for flights from Buffalo Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Buffalo Airport to Lambert-St Louis Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Buffalo to St. Louis?

Best airlines flying from Buffalo to St. Louis

Compare and see reviews for airlines that fly from Buffalo to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $261Free CancellationRating
7.8
8,654 reviews
Search Delta flights
American AirlinesPriceFrom $264Free CancellationRating
7.0
12,177 reviews
Search American Airlines flights
SouthwestPriceFrom $317Free CancellationRating
7.9
4,213 reviews
Search Southwest flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Fairview Heights
Chesterfield
Maryland Heights
St. Peters
Alton
Florissant
Collinsville
Farmington
Hermann
Clayton
Festus
Fenton
O'Fallon
Edwardsville
Eureka
Wentzville
Litchfield
Grafton
Waterloo

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to St. Louis?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Buffalo to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Buffalo to St. Louis with flexible booking policies on momondo?

All flight searches from Buffalo to St. Louis on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Buffalo to St. Louis?

Once all potential Buffalo to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Buffalo to St. Louis right now. Can momondo alert me if prices change?

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Buffalo and alert you when they change.

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