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Cheap flights from Buffalo to St. Louis from $125

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.
Delta Logo
12:06 pm - 5:20 pmBUF  Buffalo-STL Lambert-St Louis
6h 14m1 stop Detroit Metropolitan Wayne County
Delta Logo
5:31 pm - 12:04 amSTL  Lambert-St Louis-BUF Buffalo
5h 33m1 stop Atlanta Hartsfield-Jackson
$271Delta
Wed, Dec 2 - Sat, Dec 5
Delta Logo
6:10 am - 9:19 amBUF  Buffalo-STL Lambert-St Louis
4h 09m1 stop Detroit Metropolitan Wayne County
Delta Logo
4:38 pm - 10:48 pmSTL  Lambert-St Louis-BUF Buffalo
5h 10m1 stop Detroit Metropolitan Wayne County
$271Delta
Thu, Dec 3 - Sat, Dec 5
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
$285Frontier
Fri, Nov 20 - Mon, Nov 23
Southwest Logo
6:40 pm - 11:45 pmBUF  Buffalo-STL Lambert-St Louis
6h 05m1 stop Tampa
Southwest Logo
6:35 am - 12:05 pmSTL  Lambert-St Louis-BUF Buffalo
4h 30m1 stop Baltimore/Washington
$309Southwest
Tue, Nov 24 - Tue, Dec 1
Delta Logo
12:06 pm - 5:20 pmBUF  Buffalo-STL Lambert-St Louis
6h 14m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:05 pm - 12:01 amSTL  Lambert-St Louis-BUF Buffalo
4h 56m1 stop Detroit Metropolitan Wayne County
$318Delta
Thu, Dec 3 - Sun, Dec 6
Southwest Logo
12:45 pm - 7:25 pmBUF  Buffalo-STL Lambert-St Louis
7h 40m2 stops Baltimore/Washington Pittsburgh
Southwest Logo
3:20 pm - 1:05 amSTL  Lambert-St Louis-BUF Buffalo
8h 45m1 stop Tampa
$323Southwest
Wed, Dec 2 - Sun, Dec 6
Frontier Logo
12:54 pm - 11:16 pmBUF  Buffalo-STL Lambert-St Louis
11h 22m1 stop Orlando
Frontier Logo
6:05 pm - 8:24 pmSTL  Lambert-St Louis-BUF Buffalo
25h 19m1 stop Orlando
$330Frontier
Thu, Nov 19 - Sun, Nov 22
Frontier Logo
12:54 pm - 11:16 pmBUF  Buffalo-STL Lambert-St Louis
11h 22m1 stop Orlando
Frontier Logo
4:26 pm - 8:24 pmSTL  Lambert-St Louis-BUF Buffalo
26h 58m1 stop Orlando
$350Frontier
Sun, Nov 15 - Thu, Nov 19
American Airlines Logo
5:31 am - 10:08 amBUF  Buffalo-STL Lambert-St Louis
5h 37m1 stop Washington, D.C. Reagan-National
American Airlines Logo
5:50 am - 11:00 amSTL  Lambert-St Louis-BUF Buffalo
4h 10m1 stop Chicago O'Hare Intl
$365American Airlines
Sun, Nov 22 - Sat, Nov 28
American Airlines Logo
6:02 am - 10:44 amBUF  Buffalo-STL Lambert-St Louis
5h 42m1 stop Chicago O'Hare Intl
American Airlines Logo
5:02 am - 10:56 amSTL  Lambert-St Louis-BUF Buffalo
4h 54m1 stop Chicago O'Hare Intl
$378American Airlines
Sat, Nov 28 - Sat, Dec 5

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Delta flights from Buffalo to St. Louis

Our best Delta deals on Buffalo to St. Louis flight tickets
Delta
Dec 2
BUF12:06 pmBuffalo
6h 14m
1 stop
STL5:20 pmLambert-St Louis
Dec 5
STL5:31 pmLambert-St Louis
5h 33m
1 stop
BUF12:04 amBuffalo
$271
Delta
Dec 2
BUF12:06 pmBuffalo
6h 14m
1 stop
STL5:20 pmLambert-St Louis
Dec 6
STL6:32 amLambert-St Louis
3h 52m
1 stop
BUF11:24 amBuffalo
$318
Delta
Mar 3
BUF6:00 amBuffalo
7h 32m
1 stop
STL12:32 pmLambert-St Louis
Mar 7
STL6:45 amLambert-St Louis
3h 59m
1 stop
BUF11:44 amBuffalo
$363

United Airlines flights from Buffalo to St. Louis

Our best United Airlines deals on Buffalo to St. Louis flight tickets
United Airlines
Nov 26
BUF6:30 amBuffalo
5h 02m
1 stop
STL10:32 amLambert-St Louis
Nov 29
STL6:50 pmLambert-St Louis
6h 57m
1 stop
BUF2:47 amBuffalo
$373
United Airlines
Dec 2
BUF6:00 amBuffalo
9h 41m
2 stops
STL2:41 pmLambert-St Louis
Dec 5
STL3:25 pmLambert-St Louis
4h 31m
1 stop
BUF8:56 pmBuffalo
$376
United Airlines
Dec 3
BUF10:00 amBuffalo
8h 05m
2 stops
STL5:05 pmLambert-St Louis
Dec 5
STL5:05 pmLambert-St Louis
5h 29m
1 stop
BUF11:34 pmBuffalo
$416

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

Wed 12/2

12:06 pm-5:20 pm

1 stop6h 14m

Lambert-St Louis

Sat 12/5

5:31 pm-12:04 am

1 stop5h 33m

$271
Quickest round-trip

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 12/3

6:10 am-9:19 am

1 stop4h 09m

Lambert-St Louis

Sat 12/5

4:38 pm-10:48 pm

1 stop5h 10m

$271

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Fri 11/20

9:20 pm-11:59 pm

1 stop27h 39m

Lambert-St Louis

Mon 11/23

1:20 pm-8:24 pm

1 stop6h 04m

$285

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Tue 11/24

6:40 pm-11:45 pm

1 stop6h 05m

Lambert-St Louis

Tue 12/1

6:35 am-12:05 pm

1 stop4h 30m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 12/3

12:06 pm-5:20 pm

1 stop6h 14m

Lambert-St Louis

Sun 12/6

6:05 pm-12:01 am

1 stop4h 56m

$318

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Wed 12/2

12:45 pm-7:25 pm

2 stops7h 40m

Lambert-St Louis

Sun 12/6

3:20 pm-1:05 am

1 stop8h 45m

$323

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 11/19

12:54 pm-11:16 pm

1 stop11h 22m

Lambert-St Louis

Sun 11/22

6:05 pm-8:24 pm

1 stop25h 19m

$330

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Sun 11/15

12:54 pm-11:16 pm

1 stop11h 22m

Lambert-St Louis

Thu 11/19

4:26 pm-8:24 pm

1 stop26h 58m

$350

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Sun 11/22

5:31 am-10:08 am

1 stop5h 37m

Lambert-St Louis

Sat 11/28

5:50 am-11:00 am

1 stop4h 10m

$365

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Sat 11/28

6:02 am-10:44 am

1 stop5h 42m

Lambert-St Louis

Sat 12/5

5:02 am-10:56 am

1 stop4h 54m

$378

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 $328 to $446.
The lowest price recently found on this route was $271.

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 $340. 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

$125

Fastest flight time

5h 15m

Direct flights

None
The best one-way flight to St. Louis from Buffalo in the past 72 hours is $125. The best round-trip flight deal from Buffalo to St. Louis found on momondo in the last 72 hours is $271.
The fastest flight from Buffalo to St. Louis takes 5h 15m
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 5h 15m, 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
American AirlinesPriceFrom $264Free CancellationRating
7.0
12,228 reviews
Search American Airlines flights
DeltaPriceFrom $291Free CancellationRating
7.8
8,699 reviews
Search Delta flights
SouthwestPriceFrom $317Free CancellationRating
8.0
4,215 reviews
Search Southwest flights

  • Southwest Flights From Buffalo to St. Louis

    Southwest flight deals from Buffalo to St. Louis start from $317 round-trip. Over the 8 Southwest flights for this route in a normal week, average airfare is usually $413 round-trip - but some users have found much cheaper deals with momondo.

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
Maryland Heights
St. Peters
Alton
Collinsville
Farmington
Florissant
Festus
Hermann
Clayton
Fenton
Edwardsville
O'Fallon
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.

An easier way to manage your St. Louis trip

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