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Cheap flights from Buffalo to St. Louis from $91

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
12:54 pm - 11:16 pmBUF  Buffalo-STL Lambert-St Louis
11h 22m1 stop Orlando
Frontier Logo
4:26 pm - 6:52 pmSTL  Lambert-St Louis-BUF Buffalo
25h 26m1 stop Orlando
$258Frontier
Thu, Oct 29 - Sat, Oct 31
Frontier Logo
2:39 pm - 12:12 amBUF  Buffalo-STL Lambert-St Louis
10h 33m1 stop Orlando
Frontier Logo
6:13 pm - 1:44 pmSTL  Lambert-St Louis-BUF Buffalo
18h 31m1 stop Orlando
$260Frontier
Mon, Dec 7 - Thu, Dec 10
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
$284Frontier
Tue, Nov 24 - Fri, Nov 27
Southwest Logo
4:55 pm - 10:25 pmBUF  Buffalo-STL Lambert-St Louis
6h 30m1 stop Denver Intl
Southwest Logo
5:45 am - 10:25 amSTL  Lambert-St Louis-BUF Buffalo
3h 40m1 stop Chicago Midway
$309Southwest
Mon, Nov 9 - Thu, Nov 12
Southwest Logo
5:45 pm - 11:20 pmBUF  Buffalo-STL Lambert-St Louis
6h 35m1 stop Baltimore/Washington
Southwest Logo
6:40 am - 12:00 pmSTL  Lambert-St Louis-BUF Buffalo
4h 20m1 stop Baltimore/Washington
$309Southwest
Thu, Oct 29 - Thu, Nov 5
Southwest Logo
4:50 pm - 11:50 pmBUF  Buffalo-STL Lambert-St Louis
8h 00m1 stop Denver Intl
Southwest Logo
3:40 pm - 9:45 pmSTL  Lambert-St Louis-BUF Buffalo
5h 05m1 stop Baltimore/Washington
$309Southwest
Thu, Oct 22 - Sat, Oct 24
Delta Logo
6:25 am - 9:36 amBUF  Buffalo-STL Lambert-St Louis
4h 11m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:45 am - 11:44 amSTL  Lambert-St Louis-BUF Buffalo
3h 59m1 stop Detroit Metropolitan Wayne County
$353Delta
Wed, Mar 3 - Sun, Mar 7
Delta Logo
6:25 am - 9:36 amBUF  Buffalo-STL Lambert-St Louis
4h 11m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:45 am - 11:44 amSTL  Lambert-St Louis-BUF Buffalo
3h 59m1 stop Detroit Metropolitan Wayne County
$363Delta
Wed, Mar 3 - Sun, Mar 7
American Airlines Logo
6:45 pm - 10:15 pmBUF  Buffalo-STL Lambert-St Louis
4h 30m1 stop Chicago O'Hare Intl
American Airlines Logo
11:23 am - 6:05 pmSTL  Lambert-St Louis-BUF Buffalo
5h 42m1 stop Chicago O'Hare Intl
$371American Airlines
Thu, Nov 5 - Sat, Nov 7
American Airlines Logo
5:30 am - 12:27 pmBUF  Buffalo-STL Lambert-St Louis
7h 57m1 stop Philadelphia
American Airlines Logo
7:05 am - 3:25 pmSTL  Lambert-St Louis-BUF Buffalo
7h 20m1 stop New York LaGuardia
$383American Airlines
Wed, Mar 3 - Sun, Mar 7

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Southwest flights from Buffalo to St. Louis

Our best Southwest deals on Buffalo to St. Louis flight tickets
Southwest
Oct 22
BUF4:50 pmBuffalo
8h 00m
1 stop
STL11:50 pmLambert-St Louis
Oct 24
STL3:40 pmLambert-St Louis
5h 05m
1 stop
BUF9:45 pmBuffalo
$309
Southwest
Oct 22
BUF4:50 pmBuffalo
8h 00m
1 stop
STL11:50 pmLambert-St Louis
Oct 24
STL7:20 amLambert-St Louis
6h 15m
2 stops
BUF2:35 pmBuffalo
$314
Southwest
Oct 27
BUF9:45 amBuffalo
6h 15m
2 stops
STL3:00 pmLambert-St Louis
Nov 3
STL6:20 amLambert-St Louis
7h 55m
2 stops
BUF3:15 pmBuffalo
$319

United Airlines flights from Buffalo to St. Louis

Our best United Airlines deals on Buffalo to St. Louis flight tickets
United Airlines
Jan 1
BUF6:30 amBuffalo
5h 12m
1 stop
STL10:42 amLambert-St Louis
Jan 3
STL5:20 amLambert-St Louis
6h 43m
1 stop
BUF1:03 pmBuffalo
$373
United Airlines
Oct 22
BUF10:46 amBuffalo
5h 57m
1 stop
STL3:43 pmLambert-St Louis
Oct 26
STL1:08 pmLambert-St Louis
6h 28m
1 stop
BUF8:36 pmBuffalo
$409
United Airlines
Oct 22
BUF5:45 pmBuffalo
6h 14m
1 stop
STL10:59 pmLambert-St Louis
Oct 26
STL1:08 pmLambert-St Louis
8h 51m
2 stops
BUF10:59 pmBuffalo
$414

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

Thu 10/29

12:54 pm-11:16 pm

1 stop11h 22m

Lambert-St Louis

Sat 10/31

4:26 pm-6:52 pm

1 stop25h 26m

$258

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Mon 12/7

2:39 pm-12:12 am

1 stop10h 33m

Lambert-St Louis

Thu 12/10

6:13 pm-1:44 pm

1 stop18h 31m

$260

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

$284

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Mon 11/9

4:55 pm-10:25 pm

1 stop6h 30m

Lambert-St Louis

Thu 11/12

5:45 am-10:25 am

1 stop3h 40m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 10/29

5:45 pm-11:20 pm

1 stop6h 35m

Lambert-St Louis

Thu 11/5

6:40 am-12:00 pm

1 stop4h 20m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 10/22

4:50 pm-11:50 pm

1 stop8h 00m

Lambert-St Louis

Sat 10/24

3:40 pm-9:45 pm

1 stop5h 05m

$309
Quickest round-trip

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Wed 3/3

6:25 am-9:36 am

1 stop4h 11m

Lambert-St Louis

Sun 3/7

6:45 am-11:44 am

1 stop3h 59m

$353

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Wed 3/3

6:25 am-9:36 am

1 stop4h 11m

Lambert-St Louis

Sun 3/7

6:45 am-11:44 am

1 stop3h 59m

$363

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 11/5

6:45 pm-10:15 pm

1 stop4h 30m

Lambert-St Louis

Sat 11/7

11:23 am-6:05 pm

1 stop5h 42m

$371

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Wed 3/3

5:30 am-12:27 pm

1 stop7h 57m

Lambert-St Louis

Sun 3/7

7:05 am-3:25 pm

1 stop7h 20m

$383

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 $290 to $541.
The lowest price recently found on this route was $258.

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

In general, January 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 $321. The month of December is another great option to travel to St. Louis, with average flight prices from Buffalo averaging around $327.

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

$91

Fastest flight time

3h 50m

Direct flights

None
The best one-way flight to St. Louis from Buffalo in the past 72 hours is $91. The best round-trip flight deal from Buffalo to St. Louis found on momondo in the last 72 hours is $258.
The fastest flight from Buffalo to St. Louis takes 3h 50m
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 3h 50m, 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 $238Free CancellationRating
7.8
8,626 reviews
Search Delta flights
American AirlinesPriceFrom $308Free CancellationRating
7.0
12,130 reviews
Search American Airlines flights
SouthwestPriceFrom $317Free CancellationRating
7.9
4,215 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
Chesterfield
Maryland Heights
Fairview Heights
St. Peters
Alton
Collinsville
Florissant
Farmington
Clayton
Hermann
Festus
O'Fallon
Fenton
Edwardsville
Wentzville
Eureka
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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