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Cheap flights from St. Louis to Buffalo from $75

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Buffalo departing on 1/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Buffalo

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Buffalo that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Buffalo.

Cheap last minute flights

Planning a quick getaway from St. Louis to Buffalo? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Buffalo, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Buffalo

Find recent round-trip train or bus tickets from St. Louis to Buffalo.

All round-trip flight deals to Buffalo

The cheapest plane tickets to Buffalo found on KAYAK recently.
5:02 pm - 9:52 amSTL-BUF
15h 50m1 stop
10:30 am - 11:33 pmBUF-STL
14h 03m1 stop
$128Frontier
Find Deal
Fri, Dec 13 - Mon, Dec 16
5:02 pm - 9:52 amSTL-BUF
15h 50m1 stop
3:27 pm - 8:15 amBUF-STL
17h 48m1 stop
$138Frontier
Find Deal
Fri, Dec 13 - Sun, Dec 15
4:04 pm - 11:54 pmSTL-BUF
6h 50m1 stop
6:05 am - 11:57 amBUF-STL
6h 52m1 stop
$346Delta
Find Deal
Wed, Nov 27 - Wed, Dec 4
5:18 pm - 10:42 pmSTL-BUF
4h 24m1 stop
6:25 am - 9:36 amBUF-STL
4h 11m1 stop
$351Delta
Find Deal
Fri, Nov 29 - Thu, Dec 5
1:25 pm - 12:45 amSTL-BUF
10h 20m1 stop
6:00 am - 12:40 pmBUF-STL
7h 40m2 stops
$356Southwest
Find Deal
Fri, Dec 13 - Thu, Dec 19
12:40 pm - 7:45 pmSTL-BUF
6h 05m2 stops
8:30 pm - 11:10 pmBUF-STL
3h 40m1 stop
$361Southwest
Find Deal
Fri, Dec 13 - Fri, Dec 20
5:58 pm - 12:39 amSTL-BUF
5h 41m1 stop
7:11 am - 11:12 amBUF-STL
5h 01m1 stop
$376American Airlines
Find Deal
Sat, Dec 21 - Sun, Dec 22
8:05 am - 1:11 pmSTL-BUF
4h 06m1 stop
7:15 pm - 11:28 pmBUF-STL
5h 13m1 stop
$381United Airlines
Find Deal
Mon, Dec 16 - Tue, Dec 17
12:37 pm - 6:52 pmSTL-BUF
5h 15m1 stop
6:00 am - 2:25 pmBUF-STL
9h 25m2 stops
$406United Airlines
Find Deal
Sun, Nov 24 - Mon, Nov 25
5:00 am - 10:58 amSTL-BUF
4h 58m1 stop
6:06 am - 1:27 pmBUF-STL
8h 21m2 stops
$466American Airlines
Find Deal
Wed, Nov 27 - Wed, Dec 4
8:22 am - 9:41 amSTL-BUF
24h 19m1 stop
$75Frontier
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Sun, Jan 19
6:00 am - 11:18 amSTL-BUF
4h 18m1 stop
$173Delta
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Wed, Mar 12
1:05 pm - 8:50 pmSTL-BUF
6h 45m2 stops
$178Southwest
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Wed, Mar 12
3:10 pm - 10:49 pmSTL-BUF
6h 39m2 stops
$208American Airlines
Find Deal
Sun, Jan 19
1:03 pm - 11:36 pmSTL-BUF
9h 33m2 stops
$213United Airlines
Find Deal
Wed, Mar 12
8:50 am - 11:36 pmSTL-BUF
13h 46m2 stops
$377United Airlines
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Thu, Mar 13
8:00 am - 8:19 pmSTL-BUF
11h 19m1 stop
$614Frontier
Find Deal
Mon, Apr 21
7:38 am - 10:48 pmSTL-BUF
14h 10m1 stop
5:58 pm - 10:10 pmBUF-STL
5h 12m1 stop
$507American Airlines
Find Deal
Tue, Nov 19 - Thu, Nov 21
6:40 am - 3:27 pmSTL-BUF
7h 47m2 stops
12:38 pm - 7:48 pmBUF-STL
8h 10m1 stop
$536American Airlines
Find Deal
Tue, Nov 19 - Thu, Nov 21
6:30 am - 6:02 pmSTL-BUF
10h 32m2 stops
6:00 am - 3:39 pmBUF-STL
10h 39m2 stops
$541United Airlines
Find Deal
Tue, Nov 19 - Thu, Nov 21
8:56 am - 4:21 pmSTL-BUF
6h 25m1 stop
1:46 pm - 8:26 amBUF-STL
19h 40m1 stop
$613Frontier
Find Deal
Fri, Nov 15 - Sat, Nov 16
6:34 pm - 12:33 amSTL-BUF
4h 59m1 stop
12:27 pm - 7:30 pmBUF-STL
8h 03m2 stops
$701American Airlines
Find Deal
Fri, Nov 15 - Sat, Nov 16
12:40 pm - 7:45 pmSTL-BUF
6h 05m2 stops
10:25 am - 5:00 pmBUF-STL
7h 35m2 stops
$823Southwest
Find Deal
Fri, Nov 15 - Sat, Nov 16
11:20 am - 5:39 pmSTL-BUF
5h 19m1 stop
7:59 pm - 11:58 pmBUF-STL
4h 59m1 stop
$992American Airlines
Find Deal
Sat, Nov 16 - Mon, Nov 18
2:05 pm - 10:55 pmSTL-BUF
7h 50m2 stops
7:59 pm - 11:58 pmBUF-STL
4h 59m1 stop
$1,315American Airlines
Find Deal
Sat, Nov 16 - Mon, Nov 18

Frontier flights from St. Louis to Buffalo

Our best Frontier deals on St. Louis to Buffalo flight tickets
Frontier
Dec 13
STL5:02 pmLambert-St Louis
15h 50m
1 stop
BUF9:52 amBuffalo
Dec 16
BUF10:30 amBuffalo
14h 03m
1 stop
STL11:33 pmLambert-St Louis
Frontier
Dec 13
STL5:02 pmLambert-St Louis
15h 50m
1 stop
BUF9:52 amBuffalo
Dec 15
BUF3:27 pmBuffalo
17h 48m
1 stop
STL8:15 amLambert-St Louis
Frontier
Dec 12
STL5:02 pmLambert-St Louis
15h 38m
1 stop
BUF9:40 amBuffalo
Dec 15
BUF10:30 amBuffalo
22h 45m
1 stop
STL8:15 amLambert-St Louis

Delta flights from St. Louis to Buffalo

Our best Delta deals on St. Louis to Buffalo flight tickets
Delta
Nov 27
STL4:04 pmLambert-St Louis
6h 50m
1 stop
BUF11:54 pmBuffalo
Dec 4
BUF6:05 amBuffalo
6h 52m
1 stop
STL11:57 amLambert-St Louis
Delta
Nov 29
STL5:18 pmLambert-St Louis
4h 24m
1 stop
BUF10:42 pmBuffalo
Dec 5
BUF6:25 amBuffalo
4h 11m
1 stop
STL9:36 amLambert-St Louis
Delta
Nov 29
STL5:18 pmLambert-St Louis
4h 24m
1 stop
BUF10:42 pmBuffalo
Dec 4
BUF2:10 pmBuffalo
5h 09m
1 stop
STL6:19 pmLambert-St Louis

How to get the cheapest flight ticket from St. Louis to Buffalo

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 cheapest month to fly from St. Louis to Buffalo?

February. The cheapest time of year to fly to Buffalo from St. Louis is February. Most expensive is April

What is the cheapest day to depart St. Louis for Buffalo?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Tuesday

When is the cheapest time to fly from St. Louis to Buffalo?

In the evening. St. Louis to Buffalo flights are approximately 24% more expensive in the morning than in the evening

What is the cheapest airline that flies to Buffalo from St. Louis?

Frontier. Frontier, Delta, and American Airlines are the most popular carriers operating from St. Louis to Buffalo

What is the cheapest St. Louis to Buffalo flight route?

Lambert-St Louis - Buffalo. Fly from Lambert-St Louis to Buffalo for the best St. Louis - Buffalo flight prices

How far in advance should you book St. Louis to Buffalo flights?

33 days before. The cheapest time to buy a flight from St. Louis to Buffalo is approximately 33 days to departure

Can stopping save me money on St. Louis to Buffalo flights?

You could potentially save up to 57% on your flight if you consider stops on a St. Louis to Buffalo flight.

How have St. Louis to Buffalo flight prices changed over time?


When to book flights from St. Louis to Buffalo

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Buffalo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Buffalo (STL to BUF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Buffalo

Best Price Found

$75

Fastest flight time

3h 42m

Direct flights

None

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from St. Louis in the past 72 hours is $75. The best round-trip flight deal from St. Louis to Buffalo found on momondo in the last 72 hours is $128.
The fastest flight from St. Louis to Buffalo takes 3h 42m
There are no direct flights from St. Louis to Buffalo. Popular non-direct route for this connection is Lambert-St Louis Airport - Buffalo Airport.
There is 1 airport near Buffalo: Buffalo (BUF)

  • How far is Lambert-St Louis to Buffalo by plane?

    Buffalo is 660.3 mi away from Lambert-St Louis. Typically, this will take 3h 42m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Buffalo Airport?

    Prices for flights from Lambert-St Louis Airport to Buffalo Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Buffalo Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Buffalo Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Buffalo Airport.

  • What documentation or ID do you need to fly to Buffalo Airport?

    The travel and health documents required for your trip to Buffalo Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buffalo Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from St. Louis to Buffalo?


Best airlines flying from St. Louis to Buffalo

Compare and see reviews for airlines that fly from St. Louis to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $96Free CancellationRating
6.1
3,551 reviews
Search Frontier flights
DeltaPriceFrom $256Free CancellationRating
8.0
8,788 reviews
Search Delta flights
American AirlinesPriceFrom $261Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $305Free CancellationRating
7.4
9,194 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Buffalo?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Buffalo. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Buffalo with flexible booking policies on momondo?

Yes. All flights to Buffalo from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Buffalo?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buffalo from St. Louis.

I’m not ready to book a flight from St. Louis to Buffalo right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Buffalo from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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