$264 Cheap flights from Lambert St Louis International (STL) to Buffalo Niagara International (BUF)

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Find Cheap Flights from St Louis to Buffalo STL BUF

Looking for a cheap last-minute deal or the best round-trip flight from St Louis to Buffalo? Find the biggest savings on one-way and round-trip tickets right here.

Good to know

Useful information for finding cheap flights from Lambert St Louis International to Buffalo Niagara International and booking your next trip

Cheapest Round Trip Flight

$264

Delta Airlines • 1 stop •

Jun 30 – Jul 10

The cheapest round trip flight from Lambert St Louis International to Buffalo Niagara International is currently $264

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Fastest Flight

5h 42m

The fastest nonstop flight from Lambert St Louis International to Buffalo Niagara International takes 5h 42m

Recent airfare deals on St Louis to Buffalo

Jun 30 - Jul 10, Economy

St Louis → Buffalo

12:15 PM - 9:58 AM • 1 stop

St Louis → Buffalo

7:24 PM - 11:20 PM • 1 stop

$264

Delta Airlines

Jun 30 - Jul 10, Economy

St Louis → Buffalo

9h 5m

11:25 AM - 11:39 PM • 2 stops

St Louis → Buffalo

8h 20m

5:56 PM - 9:52 AM • 2 stops

$508

United Airlines

Jun 30 - Jul 10, Economy

St Louis → Buffalo

5h 42m

12:50 PM - 6:30 PM • 1 stop

St Louis → Buffalo

5h 43m

6:00 AM - 9:41 AM • 1 stop

$510

American Airlines

Jun 30 - Jul 10, Economy

St Louis → Buffalo

5h 42m

12:50 PM - 6:30 PM • 1 stop

St Louis → Buffalo

7h 37m

9:45 AM - 9:52 AM • 2 stops

$511

American Airlines

Jun 30 - Jul 10, Economy

St Louis → Buffalo

5h 45m

12:30 PM - 5:15 PM • 1 stop

St Louis → Buffalo

13h 35m

11:15 AM - 6:30 PM • 1 stop

$623

Southwest Airlines

Jun 30 - Jul 10, Economy

St Louis → Buffalo

10h 20m

12:25 PM - 7:45 PM • 1 stop

St Louis → Buffalo

7h 25m

11:15 AM - 3:00 PM • 1 stop

$623

Southwest Airlines

Jun 30 - Jul 10, Economy

St Louis → Buffalo

12:15 PM - 9:58 AM • 1 stop

St Louis → Buffalo

7:24 PM - 11:20 PM • 1 stop

$264

Delta Airlines

Jun 30 - Jul 10, Economy

St Louis → Buffalo

9h 5m

11:25 AM - 11:39 PM • 2 stops

St Louis → Buffalo

8h 20m

5:56 PM - 9:52 AM • 2 stops

$508

United Airlines

Jun 30 - Jul 10, Economy

St Louis → Buffalo

5h 42m

12:50 PM - 6:30 PM • 1 stop

St Louis → Buffalo

5h 43m

6:00 AM - 9:41 AM • 1 stop

$510

American Airlines

Jun 30 - Jul 10, Economy

St Louis → Buffalo

5h 42m

12:50 PM - 6:30 PM • 1 stop

St Louis → Buffalo

7h 37m

9:45 AM - 9:52 AM • 2 stops

$511

American Airlines

Jun 30 - Jul 10, Economy

St Louis → Buffalo

5h 45m

12:30 PM - 5:15 PM • 1 stop

St Louis → Buffalo

13h 35m

11:15 AM - 6:30 PM • 1 stop

$623

Southwest Airlines

Jun 30 - Jul 10, Economy

St Louis → Buffalo

10h 20m

12:25 PM - 7:45 PM • 1 stop

St Louis → Buffalo

7h 25m

11:15 AM - 3:00 PM • 1 stop

$623

Southwest Airlines

Facts to know while booking flights from St Louis to Buffalo

What are the airports in St Louis?

STL

What’s the most popular airline flying from STL to BUF?

The most popular airline flying from St Louis to Buffalo are

Can I fly from STL to BUF non-stop?

Which airlines fly nonstop between St Louis and Buffalo?

The non-stop flights between St Louis and Buffalo are .

What’s the earliest departure time from STL to BUF Airport?

The earliest flight leaves STL at 11:25 am and lands in BUF - Buffalo Niagara International

What are the airports in Buffalo?

BUF

Can I make changes to my St Louis to Buffalo flight tickets or cancel them on FareLeaders.com?

No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.

Can I cancel my flight tickets from STL to BUF?

Read the fare rules of the St Louis to Buffalo air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.

Which airline alliances offer flights from St Louis and Buffalo?

operate flights between St Louis and Buffalo

How long does a flight from St Louis to Buffalo take?

It takes approximately 2 hour to fly non-stop from STL to BUF, which is 674.16 miles by air.

Which airlines provide the cheapest flights from St Louis (STL) to Buffalo (BUF) ?

In the past couple of days, the cheapest tickets to BUF from STL were found on ('AA') : USD 511

Do I need a passport to fly between STL and BUF?

What’s the latest departure time from STL to BUF ?

The last flight leaves STL at 12:50 pm

Essential Information for Booking Flights from St Louis (STL) - AI Insights

What's the cheapest airline from stl to buf?

Frontier Airlines (F9), offers the most affordable flights from Lambert St Louis International (STL) to Buffalo Niagara International Airport (BUF).

What's the popular airline to fly from stl to buf?

Delta Airlines (DL) offers popular routes from Lambert St Louis International to Buffalo Niagara International.

What's the cheapest day of the week to fly from stl to buf?

Friday is a good day to fly from Lambert St Louis International to Buffalo Niagara International.

What's the cheapest month to fly from stl to buf?

April is the cheapest month to fly from Lambert St Louis International to Buffalo Niagara International for a one-way economy ticket.

What is the lowest price airline for a one-way flight from Lambert St Louis International to Buffalo Niagara International?

Frontier Airlines (F9) typically offers the lowest fares for one-way flights from Lambert St Louis International to Buffalo Niagara International.

What airline offers the most frequent flights from Lambert St Louis International to Buffalo Niagara International?

Delta Airlines (DL) offers a significant number of direct flights from Lambert St Louis International to Buffalo Niagara International.

Does Frontier Airlines frequently offer promotional deals for flights from Lambert St Louis International to Buffalo Niagara International?

Yes, Frontier Airlines frequently offers promotional deals, including discounts and sales, for flights from Lambert St Louis International to Buffalo Niagara International.