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Cheap flights from St. Louis to Buffalo from $128

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Buffalo departing on 1/12. 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.
5:05 pm - 9:40 amSTL-BUF
15h 35m1 stop
6:53 pm - 7:22 amBUF-STL
13h 29m1 stop
$128Frontier
Find Deal
Sun, Jan 12 - Sat, Jan 18
5:05 pm - 5:53 pmSTL-BUF
23h 48m1 stop
7:55 pm - 11:31 pmBUF-STL
28h 36m1 stop
$168Frontier
Find Deal
Fri, Jan 17 - Mon, Jan 20
10:30 am - 4:55 pmSTL-BUF
5h 25m1 stop
2:15 pm - 8:20 pmBUF-STL
7h 05m2 stops
$331Southwest
Find Deal
Thu, Feb 6 - Mon, Feb 10
1:02 pm - 11:31 pmSTL-BUF
9h 29m2 stops
7:20 pm - 12:27 amBUF-STL
6h 07m1 stop
$336United Airlines
Find Deal
Sun, Jan 12 - Sat, Jan 18
6:00 am - 11:18 amSTL-BUF
4h 18m1 stop
6:16 am - 11:59 amBUF-STL
6h 43m1 stop
$346Delta
Find Deal
Sat, Apr 5 - Sun, Apr 6
8:20 am - 6:40 pmSTL-BUF
9h 20m2 stops
2:15 pm - 10:15 pmBUF-STL
9h 00m1 stop
$351Southwest
Find Deal
Fri, Jan 17 - Mon, Jan 20
6:00 am - 11:16 amSTL-BUF
4h 16m1 stop
10:20 am - 1:19 pmBUF-STL
3h 59m1 stop
$376Delta
Find Deal
Sun, Jan 5 - Thu, Apr 24
6:30 am - 2:08 pmSTL-BUF
6h 38m2 stops
11:50 am - 8:02 pmBUF-STL
9h 12m2 stops
$406United Airlines
Find Deal
Sun, Jan 12 - Sat, Jan 18
2:13 pm - 10:46 pmSTL-BUF
7h 33m2 stops
6:00 am - 1:00 pmBUF-STL
8h 00m1 stop
$477American Airlines
Find Deal
Sun, Mar 23 - Sat, Mar 29
2:13 pm - 10:46 pmSTL-BUF
7h 33m2 stops
3:25 pm - 10:12 pmBUF-STL
7h 47m2 stops
$657American Airlines
Find Deal
Sun, Mar 23 - Sat, Mar 29
6:29 am - 11:15 amSTL-BUF
3h 46m1 stop
$148Delta
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Wed, Dec 25
9:30 am - 6:24 pmSTL-BUF
7h 54m1 stop
$173Delta
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Wed, Mar 12
11:45 am - 8:50 pmSTL-BUF
8h 05m2 stops
$178Southwest
Find Deal
Wed, Mar 12
3:05 pm - 10:15 pmSTL-BUF
6h 10m2 stops
$209Southwest
Find Deal
Wed, Dec 25
8:00 am - 6:46 pmSTL-BUF
9h 46m2 stops
$213United Airlines
Find Deal
Wed, Mar 12
8:00 am - 7:02 pmSTL-BUF
10h 02m2 stops
$348United Airlines
Find Deal
Thu, Mar 13
8:00 am - 11:56 pmSTL-BUF
14h 56m2 stops
$382United Airlines
Find Deal
Thu, Mar 13
3:25 pm - 12:17 pmSTL-BUF
19h 52m2 stops
$388United Airlines
Find Deal
Thu, Mar 13
3:30 pm - 9:52 amSTL-BUF
17h 22m3 stops
$420United Airlines
Find Deal
Wed, Mar 12
3:25 pm - 11:28 pmSTL-BUF
31h 03m3 stops
$446United Airlines
Find Deal
Thu, Mar 13

American Airlines flights from St. Louis to Buffalo

Our best American Airlines deals on St. Louis to Buffalo flight tickets
American Airlines
Mar 23
STL2:13 pmLambert-St Louis
7h 33m
2 stops
BUF10:46 pmBuffalo
Mar 29
BUF6:00 amBuffalo
8h 00m
1 stop
STL1:00 pmLambert-St Louis
American Airlines
Mar 23
STL2:13 pmLambert-St Louis
7h 33m
2 stops
BUF10:46 pmBuffalo
Mar 29
BUF3:25 pmBuffalo
7h 47m
2 stops
STL10:12 pmLambert-St Louis

United Airlines flights from St. Louis to Buffalo

Our best United Airlines deals on St. Louis to Buffalo flight tickets
United Airlines
Jan 12
STL1:02 pmLambert-St Louis
9h 29m
2 stops
BUF11:31 pmBuffalo
Jan 18
BUF7:20 pmBuffalo
6h 07m
1 stop
STL12:27 amLambert-St Louis
United Airlines
Jan 12
STL6:30 amLambert-St Louis
6h 38m
2 stops
BUF2:08 pmBuffalo
Jan 18
BUF11:50 amBuffalo
9h 12m
2 stops
STL8:02 pmLambert-St Louis
United Airlines
Mar 23
STL1:05 pmLambert-St Louis
7h 04m
1 stop
BUF9:09 pmBuffalo
Mar 29
BUF7:00 amBuffalo
6h 12m
1 stop
STL12:12 pmLambert-St Louis

See travel insights to Buffalo from

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 to Buffalo?

If you aren’t able to travel during the month of February, then book flights to Buffalo from St. Louis during October instead. Flights to Buffalo in October, while not as cheap as those in February, still average around $326.

What is the cheapest day to depart on your flight to Buffalo?

Our data shows that Wednesday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $332. Flights from St. Louis to Buffalo on a Saturday will generally be more expensive and average around $386. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Buffalo?

In the evening is the cheapest time of day to fly from St. Louis to Buffalo when you can find flight prices for as low as $248. Flying to Buffalo in the evening is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Buffalo, so prices are often more expensive at around $371 per ticket.

How far in advance should I book a flight to Buffalo?

The ideal time to book your flight to Buffalo is 33 days in advance when prices tend to average $369. However, in the past 72 hours, people saw flights from St. Louis for as low as $200.

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

You could potentially save up to 16% 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

$148

Fastest flight time

3h 46m

Direct flights

None

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from St. Louis in the past 72 hours is $148. 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 46m
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 4h 16m 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
3,479 reviews
Search Frontier flights
DeltaPriceFrom $256Free CancellationRating
8.0
8,604 reviews
Search Delta flights
American AirlinesPriceFrom $261Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $305Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
SouthwestPriceFrom $306Free CancellationRating
8.1
4,848 reviews
Search Southwest 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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