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Cheap flights from Buffalo to St. Louis from $115

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
12:53 pm - 11:13 pmBUF  Buffalo-STL Lambert-St Louis
11h 20m1 stop Orlando
Frontier Logo
6:44 pm - 5:52 pmSTL  Lambert-St Louis-BUF Buffalo
22h 08m2 stops Atlanta Hartsfield-Jackson Orlando
$286Frontier
Thu, Oct 22 - Wed, Oct 28
Frontier Logo
7:41 pm - 8:47 amBUF  Buffalo-STL Lambert-St Louis
14h 06m1 stop Orlando
Frontier Logo
6:05 pm - 10:43 amSTL  Lambert-St Louis-BUF Buffalo
15h 38m1 stop Orlando
$289Frontier
Thu, Dec 3 - Sun, Dec 6
Southwest Logo
7:20 am - 10:05 amBUF  Buffalo-STL Lambert-St Louis
3h 45m1 stop Chicago Midway
Southwest Logo
5:45 am - 10:25 amSTL  Lambert-St Louis-BUF Buffalo
3h 40m1 stop Chicago Midway
$304Southwest
Mon, Nov 9 - Thu, Nov 12
Southwest Logo
12:35 pm - 5:10 pmBUF  Buffalo-STL Lambert-St Louis
5h 35m1 stop Baltimore/Washington
Southwest Logo
5:25 am - 10:25 amSTL  Lambert-St Louis-BUF Buffalo
4h 00m1 stop Chicago Midway
$309Southwest
Thu, Oct 22 - Thu, Oct 29
American Airlines Logo
5:50 pm - 12:19 amBUF  Buffalo-STL Lambert-St Louis
7h 29m1 stop Chicago O'Hare Intl
American Airlines Logo
5:40 pm - 11:32 pmSTL  Lambert-St Louis-BUF Buffalo
4h 52m1 stop Philadelphia
$309American Airlines
Thu, Oct 8 - Mon, Oct 12
Southwest Logo
4:30 pm - 11:15 pmBUF  Buffalo-STL Lambert-St Louis
7h 45m1 stop Tampa
Southwest Logo
6:40 am - 12:00 pmSTL  Lambert-St Louis-BUF Buffalo
4h 20m1 stop Baltimore/Washington
$309Southwest
Mon, Oct 26 - Mon, Nov 2
Frontier Logo
1:40 pm - 11:32 amBUF  Buffalo-STL Lambert-St Louis
22h 52m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
Frontier Logo
2:29 pm - 11:58 amSTL  Lambert-St Louis-BUF Buffalo
20h 29m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham
$316Frontier
Fri, Oct 2 - Wed, Oct 7
Delta Logo
6:20 am - 9:29 amBUF  Buffalo-STL Lambert-St Louis
4h 09m1 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
$322Delta
Fri, Oct 2 - Wed, Oct 7
American Airlines Logo
5:50 pm - 12:19 amBUF  Buffalo-STL Lambert-St Louis
7h 29m1 stop Chicago O'Hare Intl
American Airlines Logo
5:27 pm - 11:59 pmSTL  Lambert-St Louis-BUF Buffalo
5h 32m1 stop Chicago O'Hare Intl
$353American Airlines
Thu, Oct 8 - Sun, Oct 11
Delta Logo
3:53 pm - 8:35 pmBUF  Buffalo-STL Lambert-St Louis
5h 42m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:40 am - 11:22 amSTL  Lambert-St Louis-BUF Buffalo
3h 42m1 stop Detroit Metropolitan Wayne County
$569Delta
Wed, Sep 23 - Sat, Sep 26

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Frontier flights from Buffalo to St. Louis

Our best Frontier deals on Buffalo to St. Louis flight tickets
Frontier
Oct 22
BUF12:53 pmBuffalo
11h 20m
1 stop
STL11:13 pmLambert-St Louis
Oct 28
STL6:44 pmLambert-St Louis
22h 08m
2 stops
BUF5:52 pmBuffalo
$286
Frontier
Dec 3
BUF7:41 pmBuffalo
14h 06m
1 stop
STL8:47 amLambert-St Louis
Dec 6
STL6:05 pmLambert-St Louis
15h 38m
1 stop
BUF10:43 amBuffalo
$289
Frontier
Oct 2
BUF1:40 pmBuffalo
22h 52m
2 stops
STL11:32 amLambert-St Louis
Oct 7
STL2:29 pmLambert-St Louis
20h 29m
2 stops
BUF11:58 amBuffalo
$316

Delta flights from Buffalo to St. Louis

Our best Delta deals on Buffalo to St. Louis flight tickets
Delta
Oct 2
BUF6:20 amBuffalo
4h 09m
1 stop
STL9:29 amLambert-St Louis
Oct 7
STL6:47 amLambert-St Louis
3h 48m
1 stop
BUF11:35 amBuffalo
$322
Delta
Sep 9
BUF6:20 amBuffalo
4h 09m
1 stop
STL9:29 amLambert-St Louis
Sep 9
STL4:10 pmLambert-St Louis
5h 25m
1 stop
BUF10:35 pmBuffalo
$345

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 10/22

12:53 pm-11:13 pm

1 stop11h 20m

Lambert-St Louis

Wed 10/28

6:44 pm-5:52 pm

2 stops22h 08m

$286

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 12/3

7:41 pm-8:47 am

1 stop14h 06m

Lambert-St Louis

Sun 12/6

6:05 pm-10:43 am

1 stop15h 38m

$289
Quickest round-trip

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Mon 11/9

7:20 am-10:05 am

1 stop3h 45m

Lambert-St Louis

Thu 11/12

5:45 am-10:25 am

1 stop3h 40m

$304

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 10/22

12:35 pm-5:10 pm

1 stop5h 35m

Lambert-St Louis

Thu 10/29

5:25 am-10:25 am

1 stop4h 00m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 10/8

5:50 pm-12:19 am

1 stop7h 29m

Lambert-St Louis

Mon 10/12

5:40 pm-11:32 pm

1 stop4h 52m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Mon 10/26

4:30 pm-11:15 pm

1 stop7h 45m

Lambert-St Louis

Mon 11/2

6:40 am-12:00 pm

1 stop4h 20m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Fri 10/2

1:40 pm-11:32 am

2 stops22h 52m

Lambert-St Louis

Wed 10/7

2:29 pm-11:58 am

2 stops20h 29m

$316

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Fri 10/2

6:20 am-9:29 am

1 stop4h 09m

Lambert-St Louis

Wed 10/7

6:47 am-11:35 am

1 stop3h 48m

$322

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 10/8

5:50 pm-12:19 am

1 stop7h 29m

Lambert-St Louis

Sun 10/11

5:27 pm-11:59 pm

1 stop5h 32m

$353

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Wed 9/23

3:53 pm-8:35 pm

1 stop5h 42m

Lambert-St Louis

Sat 9/26

6:40 am-11:22 am

1 stop3h 42m

$569

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 $308 to $386.
The lowest price recently found on this route was $286.

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

In general, September 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 January is another great option to travel to St. Louis, with average flight prices from Buffalo averaging around $321.

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

$115

Fastest flight time

3h 45m

Direct flights

None
The best one-way flight to St. Louis from Buffalo in the past 72 hours is $115. The best round-trip flight deal from Buffalo to St. Louis found on momondo in the last 72 hours is $286.
The fastest flight from Buffalo to St. Louis takes 3h 45m
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 45m, 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
8,554 reviews
Search Delta flights
American AirlinesPriceFrom $256Free CancellationRating
7.1
12,036 reviews
Search American Airlines flights
SouthwestPriceFrom $317Free CancellationRating
8.0
4,201 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
Florissant
Collinsville
Hermann
O'Fallon
Clayton
Farmington
Fenton
Festus
Wentzville
Eureka
Edwardsville
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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