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Cheap flights from Buffalo to St. Louis from $143

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
$202Frontier
Thu, Oct 29 - Sat, Oct 31
Southwest Logo
8:05 am - 11:00 amBUF  Buffalo-STL Lambert-St Louis
3h 55m1 stop Chicago Midway
Southwest Logo
10:55 am - 4:00 pmSTL  Lambert-St Louis-BUF Buffalo
4h 05m1 stop Chicago Midway
$227Southwest
Tue, Nov 17 - Wed, Nov 18
Delta Logo
9:06 am - 1:53 pmBUF  Buffalo-STL Lambert-St Louis
5h 47m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:47 am - 11:35 amSTL  Lambert-St Louis-BUF Buffalo
3h 48m1 stop Detroit Metropolitan Wayne County
$227Delta
Tue, Oct 20 - Wed, Oct 21
Southwest Logo
4:25 pm - 10:05 pmBUF  Buffalo-STL Lambert-St Louis
6h 40m2 stops Baltimore/Washington Chicago Midway
Southwest Logo
5:45 am - 1:20 pmSTL  Lambert-St Louis-BUF Buffalo
6h 35m1 stop Tampa
$232Southwest
Tue, Oct 20 - Wed, Oct 21
Southwest Logo
8:05 am - 12:40 pmBUF  Buffalo-STL Lambert-St Louis
5h 35m1 stop Chicago Midway
Southwest Logo
6:20 am - 3:15 pmSTL  Lambert-St Louis-BUF Buffalo
7h 55m2 stops Chicago Midway Nashville Intl
$232Southwest
Tue, Nov 17 - Wed, Nov 18
Frontier Logo
8:02 pm - 11:16 pmBUF  Buffalo-STL Lambert-St Louis
28h 14m1 stop Orlando
Frontier Logo
5:59 pm - 8:24 pmSTL  Lambert-St Louis-BUF Buffalo
25h 25m1 stop Orlando
$237Frontier
Thu, Nov 12 - Mon, Nov 23
American Airlines Logo
6:46 pm - 11:59 pmBUF  Buffalo-STL Lambert-St Louis
6h 13m1 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
$241American Airlines
Mon, Nov 9 - Sat, Nov 14
American Airlines Logo
6:00 am - 12:46 pmBUF  Buffalo-STL Lambert-St Louis
7h 46m1 stop Washington, D.C. Reagan-National
American Airlines Logo
5:21 pm - 11:59 pmSTL  Lambert-St Louis-BUF Buffalo
5h 38m1 stop Chicago O'Hare Intl
$241American Airlines
Thu, Oct 29 - Sat, Oct 31
United Airlines Logo
6:00 am - 12:10 pmBUF  Buffalo-STL Lambert-St Louis
7h 10m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
United Airlines Logo
5:00 pm - 10:59 pmSTL  Lambert-St Louis-BUF Buffalo
4h 59m1 stop Newark
$260United Airlines
Thu, Nov 12 - Mon, Nov 23
Delta Logo
9:06 am - 1:53 pmBUF  Buffalo-STL Lambert-St Louis
5h 47m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:47 am - 11:07 amSTL  Lambert-St Louis-BUF Buffalo
3h 20m1 stop Detroit Metropolitan Wayne County
$361Delta
Fri, Oct 9 - Sun, Oct 11

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Southwest flights from Buffalo to St. Louis

Our best Southwest deals on Buffalo to St. Louis flight tickets
Southwest
Oct 20
BUF4:25 pmBuffalo
6h 40m
2 stops
STL10:05 pmLambert-St Louis
Oct 21
STL5:45 amLambert-St Louis
6h 35m
1 stop
BUF1:20 pmBuffalo
$232
Southwest
Oct 20
BUF4:25 pmBuffalo
6h 40m
2 stops
STL10:05 pmLambert-St Louis
Oct 21
STL2:25 pmLambert-St Louis
7h 00m
2 stops
BUF10:25 pmBuffalo
$244
Southwest
Oct 28
BUF4:00 pmBuffalo
6h 25m
1 stop
STL9:25 pmLambert-St Louis
Oct 30
STL5:25 amLambert-St Louis
4h 00m
1 stop
BUF10:25 amBuffalo
$256

United Airlines flights from Buffalo to St. Louis

Our best United Airlines deals on Buffalo to St. Louis flight tickets
United Airlines
Nov 12
BUF6:00 amBuffalo
7h 10m
2 stops
STL12:10 pmLambert-St Louis
Nov 23
STL5:00 pmLambert-St Louis
4h 59m
1 stop
BUF10:59 pmBuffalo
$260
United Airlines
Nov 11
BUF5:58 pmBuffalo
4h 42m
1 stop
STL9:40 pmLambert-St Louis
Nov 23
STL1:08 pmLambert-St Louis
6h 28m
1 stop
BUF8:36 pmBuffalo
$291
United Airlines
Nov 11
BUF6:30 amBuffalo
5h 02m
1 stop
STL10:32 amLambert-St Louis
Nov 23
STL6:00 amLambert-St Louis
7h 20m
2 stops
BUF2:20 pmBuffalo
$296

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

$202
Quickest round-trip

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Tue 11/17

8:05 am-11:00 am

1 stop3h 55m

Lambert-St Louis

Wed 11/18

10:55 am-4:00 pm

1 stop4h 05m

$227

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Tue 10/20

9:06 am-1:53 pm

1 stop5h 47m

Lambert-St Louis

Wed 10/21

6:47 am-11:35 am

1 stop3h 48m

$227

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Tue 10/20

4:25 pm-10:05 pm

2 stops6h 40m

Lambert-St Louis

Wed 10/21

5:45 am-1:20 pm

1 stop6h 35m

$232

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Tue 11/17

8:05 am-12:40 pm

1 stop5h 35m

Lambert-St Louis

Wed 11/18

6:20 am-3:15 pm

2 stops7h 55m

$232

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 11/12

8:02 pm-11:16 pm

1 stop28h 14m

Lambert-St Louis

Mon 11/23

5:59 pm-8:24 pm

1 stop25h 25m

$237

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Mon 11/9

6:46 pm-11:59 pm

1 stop6h 13m

Lambert-St Louis

Sat 11/14

11:23 am-6:05 pm

1 stop5h 42m

$241

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 10/29

6:00 am-12:46 pm

1 stop7h 46m

Lambert-St Louis

Sat 10/31

5:21 pm-11:59 pm

1 stop5h 38m

$241

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 11/12

6:00 am-12:10 pm

2 stops7h 10m

Lambert-St Louis

Mon 11/23

5:00 pm-10:59 pm

1 stop4h 59m

$260

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Fri 10/9

9:06 am-1:53 pm

1 stop5h 47m

Lambert-St Louis

Sun 10/11

6:47 am-11:07 am

1 stop3h 20m

$361

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 $321 to $413.
The lowest price recently found on this route was $202.

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 October is another great option to travel to St. Louis, with average flight prices from Buffalo averaging around $332.

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

$143

Fastest flight time

4h 09m

Direct flights

None
The best one-way flight to St. Louis from Buffalo in the past 72 hours is $143. The best round-trip flight deal from Buffalo to St. Louis found on momondo in the last 72 hours is $202.
The fastest flight from Buffalo to St. Louis takes 4h 09m
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 09m, 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
8,588 reviews
Search Delta flights
American AirlinesPriceFrom $264Free CancellationRating
7.0
12,087 reviews
Search American Airlines flights
SouthwestPriceFrom $317Free CancellationRating
8.0
4,190 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
Fairview Heights
St. Peters
Maryland Heights
Alton
Collinsville
Florissant
Hermann
Clayton
O'Fallon
Farmington
Fenton
Festus
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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