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Cheap flights from Buffalo to St. Louis from $135

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
12:49 pm - 4:34 pmBUF  Buffalo-STL Lambert-St Louis
28h 45m1 stop Orlando
Frontier Logo
5:19 pm - 5:49 pmSTL  Lambert-St Louis-BUF Buffalo
23h 30m1 stop Orlando
$241Frontier
Sun, Sep 27 - Mon, Oct 5
Frontier Logo
12:49 pm - 4:34 pmBUF  Buffalo-STL Lambert-St Louis
28h 45m1 stop Orlando
Frontier Logo
5:19 pm - 5:49 pmSTL  Lambert-St Louis-BUF Buffalo
23h 30m1 stop Orlando
$251Frontier
Thu, Sep 24 - Mon, Sep 28
Frontier Logo
12:54 pm - 11:16 pmBUF  Buffalo-STL Lambert-St Louis
11h 22m1 stop Orlando
Frontier Logo
1:20 pm - 8:24 pmSTL  Lambert-St Louis-BUF Buffalo
6h 04m1 stop Orlando
$260Frontier
Thu, Nov 19 - Fri, Nov 20
Frontier Logo
12:49 pm - 4:34 pmBUF  Buffalo-STL Lambert-St Louis
28h 45m1 stop Orlando
Frontier Logo
2:29 pm - 5:49 pmSTL  Lambert-St Louis-BUF Buffalo
26h 20m2 stops Atlanta Hartsfield-Jackson Orlando
$275Frontier
Sun, Sep 27 - Mon, Oct 5
Southwest Logo
7:20 pm - 12:35 amBUF  Buffalo-STL Lambert-St Louis
6h 15m1 stop Orlando
Southwest Logo
1:00 pm - 6:40 pmSTL  Lambert-St Louis-BUF Buffalo
4h 40m1 stop Baltimore/Washington
$309Southwest
Mon, Oct 5 - Thu, Oct 8
Southwest Logo
5:45 pm - 11:20 pmBUF  Buffalo-STL Lambert-St Louis
6h 35m1 stop Baltimore/Washington
Southwest Logo
5:45 am - 1:20 pmSTL  Lambert-St Louis-BUF Buffalo
6h 35m1 stop Tampa
$309Southwest
Thu, Oct 15 - Tue, Oct 20
American Airlines Logo
7:59 am - 1:16 pmBUF  Buffalo-STL Lambert-St Louis
6h 17m1 stop Chicago O'Hare Intl
American Airlines Logo
6:00 am - 2:27 pmSTL  Lambert-St Louis-BUF Buffalo
7h 27m1 stop Philadelphia
$309American Airlines
Thu, Oct 1 - Sat, Oct 10
Southwest Logo
7:20 pm - 12:35 amBUF  Buffalo-STL Lambert-St Louis
6h 15m1 stop Orlando
Southwest Logo
9:00 pm - 7:50 amSTL  Lambert-St Louis-BUF Buffalo
9h 50m1 stop Baltimore/Washington
$314Southwest
Mon, Oct 5 - Thu, Oct 8
American Airlines Logo
8:00 am - 1:00 pmBUF  Buffalo-STL Lambert-St Louis
6h 00m1 stop Chicago O'Hare Intl
American Airlines Logo
3:51 pm - 11:59 pmSTL  Lambert-St Louis-BUF Buffalo
7h 08m1 stop Washington, D.C. Reagan-National
$386American Airlines
Thu, Oct 29 - Sun, Nov 1
American Airlines Logo
6:37 pm - 10:34 pmBUF  Buffalo-STL Lambert-St Louis
4h 57m1 stop Chicago O'Hare Intl
American Airlines Logo
5:00 am - 10:49 amSTL  Lambert-St Louis-BUF Buffalo
4h 49m1 stop Chicago O'Hare Intl
$386American Airlines
Thu, Jan 14 - Sun, Jan 17

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United Airlines flights from Buffalo to St. Louis

Our best United Airlines deals on Buffalo to St. Louis flight tickets
United Airlines
Oct 15
BUF6:30 amBuffalo
5h 52m
1 stop
STL11:22 amLambert-St Louis
Oct 20
STL4:50 pmLambert-St Louis
5h 21m
1 stop
BUF11:11 pmBuffalo
$388
United Airlines
Oct 1
BUF5:45 pmBuffalo
6h 14m
1 stop
STL10:59 pmLambert-St Louis
Oct 5
STL1:29 pmLambert-St Louis
6h 18m
1 stop
BUF8:47 pmBuffalo
$389
United Airlines
Oct 1
BUF6:00 amBuffalo
7h 13m
2 stops
STL12:13 pmLambert-St Louis
Oct 5
STL1:29 pmLambert-St Louis
6h 18m
1 stop
BUF8:47 pmBuffalo
$394

Frontier flights from Buffalo to St. Louis

Our best Frontier deals on Buffalo to St. Louis flight tickets
Frontier
Sep 27
BUF12:49 pmBuffalo
28h 45m
1 stop
STL4:34 pmLambert-St Louis
Oct 5
STL5:19 pmLambert-St Louis
23h 30m
1 stop
BUF5:49 pmBuffalo
$241
Frontier
Sep 24
BUF12:49 pmBuffalo
28h 45m
1 stop
STL4:34 pmLambert-St Louis
Sep 28
STL5:19 pmLambert-St Louis
23h 30m
1 stop
BUF5:49 pmBuffalo
$251
Frontier
Nov 19
BUF12:54 pmBuffalo
11h 22m
1 stop
STL11:16 pmLambert-St Louis
Nov 20
STL1:20 pmLambert-St Louis
21h 48m
1 stop
BUF12:08 pmBuffalo
$260

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

Sun 9/27

12:49 pm-4:34 pm

1 stop28h 45m

Lambert-St Louis

Mon 10/5

5:19 pm-5:49 pm

1 stop23h 30m

$241

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 9/24

12:49 pm-4:34 pm

1 stop28h 45m

Lambert-St Louis

Mon 9/28

5:19 pm-5:49 pm

1 stop23h 30m

$251

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

Fri 11/20

1:20 pm-8:24 pm

1 stop6h 04m

$260

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Sun 9/27

12:49 pm-4:34 pm

1 stop28h 45m

Lambert-St Louis

Mon 10/5

2:29 pm-5:49 pm

2 stops26h 20m

$275

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Mon 10/5

7:20 pm-12:35 am

1 stop6h 15m

Lambert-St Louis

Thu 10/8

1:00 pm-6:40 pm

1 stop4h 40m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 10/15

5:45 pm-11:20 pm

1 stop6h 35m

Lambert-St Louis

Tue 10/20

5:45 am-1:20 pm

1 stop6h 35m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 10/1

7:59 am-1:16 pm

1 stop6h 17m

Lambert-St Louis

Sat 10/10

6:00 am-2:27 pm

1 stop7h 27m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Mon 10/5

7:20 pm-12:35 am

1 stop6h 15m

Lambert-St Louis

Thu 10/8

9:00 pm-7:50 am

1 stop9h 50m

$314

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 10/29

8:00 am-1:00 pm

1 stop6h 00m

Lambert-St Louis

Sun 11/1

3:51 pm-11:59 pm

1 stop7h 08m

$386
Quickest round-trip

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 1/14

6:37 pm-10:34 pm

1 stop4h 57m

Lambert-St Louis

Sun 1/17

5:00 am-10:49 am

1 stop4h 49m

$386

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 $241.

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 $324.

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

$135

Fastest flight time

4h 09m

Direct flights

None
The best one-way flight to St. Louis from Buffalo in the past 72 hours is $135. The best round-trip flight deal from Buffalo to St. Louis found on momondo in the last 72 hours is $241.
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
8,553 reviews
Search Delta flights
American AirlinesPriceFrom $264Free CancellationRating
7.1
12,047 reviews
Search American Airlines flights
SouthwestPriceFrom $317Free CancellationRating
8.0
4,195 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
Maryland Heights
St. Peters
Alton
Collinsville
Florissant
Hermann
O'Fallon
Clayton
Farmington
Fenton
Festus
Wentzville
Edwardsville
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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