Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Buffalo to St. Louis from $145

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
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
5:59 pm - 8:24 pmSTL  Lambert-St Louis-BUF Buffalo
25h 25m1 stop Orlando
$264Frontier
Fri, Nov 20 - Mon, Nov 23
Frontier Logo
12:54 pm - 11:16 pmBUF  Buffalo-STL Lambert-St Louis
11h 22m1 stop Orlando
Frontier Logo
12:14 pm - 1:03 pmSTL  Lambert-St Louis-BUF Buffalo
23h 49m2 stops Dallas/Fort Worth Atlanta Hartsfield-Jackson
$285Frontier
Sun, Nov 8 - Thu, Nov 12
Delta Logo
6:24 am - 9:19 amBUF  Buffalo-STL Lambert-St Louis
3h 55m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:21 pm - 12:02 amSTL  Lambert-St Louis-BUF Buffalo
4h 41m1 stop Detroit Metropolitan Wayne County
$309Delta
Thu, Dec 17 - Mon, Dec 21
Southwest Logo
7:35 pm - 11:20 pmBUF  Buffalo-STL Lambert-St Louis
4h 45m1 stop Chicago Midway
Southwest Logo
5:25 am - 10:25 amSTL  Lambert-St Louis-BUF Buffalo
4h 00m1 stop Chicago Midway
$309Southwest
Mon, Oct 19 - Mon, Oct 26
Southwest Logo
6:35 pm - 12:05 amBUF  Buffalo-STL Lambert-St Louis
6h 30m1 stop Orlando
Southwest Logo
12:15 pm - 6:20 pmSTL  Lambert-St Louis-BUF Buffalo
5h 05m1 stop Chicago Midway
$309Southwest
Mon, Nov 2 - Sat, Nov 7
American Airlines Logo
11:05 am - 3:41 pmBUF  Buffalo-STL Lambert-St Louis
5h 36m1 stop New York LaGuardia
American Airlines Logo
5:05 am - 10:48 amSTL  Lambert-St Louis-BUF Buffalo
4h 43m1 stop Chicago O'Hare Intl
$309American Airlines
Tue, Nov 3 - Mon, Nov 9
American Airlines Logo
5:13 am - 9:55 amBUF  Buffalo-STL Lambert-St Louis
5h 42m1 stop Washington, D.C. Reagan-National
American Airlines Logo
5:01 am - 10:48 amSTL  Lambert-St Louis-BUF Buffalo
4h 47m1 stop Chicago O'Hare Intl
$309American Airlines
Mon, Nov 9 - Sat, Nov 14
American Airlines Logo
5:13 am - 9:55 amBUF  Buffalo-STL Lambert-St Louis
5h 42m1 stop Washington, D.C. Reagan-National
American Airlines Logo
11:35 am - 6:05 pmSTL  Lambert-St Louis-BUF Buffalo
5h 30m1 stop Chicago O'Hare Intl
$309American Airlines
Thu, Nov 12 - Tue, Nov 17
Delta Logo
12:50 pm - 4:50 pmBUF  Buffalo-STL Lambert-St Louis
5h 00m1 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Frontier flights from Buffalo to St. Louis

Our best Frontier deals on Buffalo to St. Louis flight tickets
Frontier
Dec 7
BUF2:39 pmBuffalo
10h 33m
1 stop
STL12:12 amLambert-St Louis
Dec 10
STL6:13 pmLambert-St Louis
18h 31m
1 stop
BUF1:44 pmBuffalo
$260
Frontier
Nov 20
BUF9:20 pmBuffalo
27h 39m
1 stop
STL11:59 pmLambert-St Louis
Nov 23
STL5:59 pmLambert-St Louis
25h 25m
1 stop
BUF8:24 pmBuffalo
$264
Frontier
Nov 8
BUF12:54 pmBuffalo
11h 22m
1 stop
STL11:16 pmLambert-St Louis
Nov 12
STL12:14 pmLambert-St Louis
23h 49m
2 stops
BUF1:03 pmBuffalo
$285

American Airlines flights from Buffalo to St. Louis

Our best American Airlines deals on Buffalo to St. Louis flight tickets
American Airlines
Oct 23
BUF6:00 amBuffalo
5h 18m
1 stop
STL10:18 amLambert-St Louis
Oct 30
STL11:31 amLambert-St Louis
4h 37m
1 stop
BUF5:08 pmBuffalo
$349
American Airlines
Dec 10
BUF11:26 amBuffalo
6h 17m
1 stop
STL4:43 pmLambert-St Louis
Dec 13
STL9:50 amLambert-St Louis
4h 55m
1 stop
BUF3:45 pmBuffalo
$352
American Airlines
Nov 2
BUF6:46 pmBuffalo
6h 13m
1 stop
STL11:59 pmLambert-St Louis
Nov 7
STL5:00 amLambert-St Louis
4h 48m
1 stop
BUF10:48 amBuffalo
$363

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

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

Fri 11/20

9:20 pm-11:59 pm

1 stop27h 39m

Lambert-St Louis

Mon 11/23

5:59 pm-8:24 pm

1 stop25h 25m

$264

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Sun 11/8

12:54 pm-11:16 pm

1 stop11h 22m

Lambert-St Louis

Thu 11/12

12:14 pm-1:03 pm

2 stops23h 49m

$285
Quickest round-trip

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 12/17

6:24 am-9:19 am

1 stop3h 55m

Lambert-St Louis

Mon 12/21

6:21 pm-12:02 am

1 stop4h 41m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Mon 10/19

7:35 pm-11:20 pm

1 stop4h 45m

Lambert-St Louis

Mon 10/26

5:25 am-10:25 am

1 stop4h 00m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Mon 11/2

6:35 pm-12:05 am

1 stop6h 30m

Lambert-St Louis

Sat 11/7

12:15 pm-6:20 pm

1 stop5h 05m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Tue 11/3

11:05 am-3:41 pm

1 stop5h 36m

Lambert-St Louis

Mon 11/9

5:05 am-10:48 am

1 stop4h 43m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Mon 11/9

5:13 am-9:55 am

1 stop5h 42m

Lambert-St Louis

Sat 11/14

5:01 am-10:48 am

1 stop4h 47m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Thu 11/12

5:13 am-9:55 am

1 stop5h 42m

Lambert-St Louis

Tue 11/17

11:35 am-6:05 pm

1 stop5h 30m

$309

BuffaloSt. Louis

BUF Buffalo - STL Lambert-St Louis

BUFSTL

Buffalo

Wed 3/3

12:50 pm-4:50 pm

1 stop5h 00m

Lambert-St Louis

Sun 3/7

6:45 am-11:44 am

1 stop3h 59m

$363

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $291 to $546.
The lowest price recently found on this route was $260.

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 $348.

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

$145

Fastest flight time

3h 55m

Direct flights

None
The best one-way flight to St. Louis from Buffalo in the past 72 hours is $145. The best round-trip flight deal from Buffalo to St. Louis found on momondo in the last 72 hours is $260.
The fastest flight from Buffalo to St. Louis takes 3h 55m
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 55m, 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
8,610 reviews
Search Delta flights
American AirlinesPriceFrom $308Free CancellationRating
7.0
12,099 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
Collinsville
Florissant
Hermann
Clayton
O'Fallon
Farmington
Festus
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.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 10/27
Tue 11/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States