CA $156 Cheap Flights from St. Louis (STL) to Buffalo (BUF)

Popular airlines from Lambert-St. Louis International Airport (STL) to Buffalo Niagara Intl. Airport (BUF)

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Cheap flights from St. Louis (STL) to Buffalo (BUF)

Prices were available within the past 7 days and start at CA $156 for one-way flights and CA $322 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Delta
Delta
Delta
Delta
Delta
Delta
Delta
American Airlines
Delta

Find the cheapest month to fly from St. Louis (STL) to Buffalo (BUF)

August is typically the cheapest month to fly

From CA $246 - CA $594 per traveller.

Graph displaying average flight prices per month

Flight from St. Louis to Buffalo (STL - BUF) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Buffalo Niagara Intl.
Roundtrip price
CA $322
Distance
1076 km

St. Louis to Buffalo Flights

The easy way to book your flights from St. Louis to Buffalo 

With Expedia, it’s simple to find and book flights to Buffalo from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Buffalo Niagara Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Buffalo today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Buffalo Niagara Intl., BUF 

Sort your search results by price to find great deals on your flight from St. Louis to Buffalo—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Buffalo from St. Louis currently is just CA $322 rising to CA $378.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Buffalo  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Buffalo from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Buffalo with Expedia today.

Frequently asked questions

How much is a flight from Lambert Field to Buffalo Niagara Intl. Airport (BUF)?
Round-trip flights from Lambert-St. Louis Intl. Airport (STL) to Buffalo Niagara Intl. Airport (BUF) start from CA $322. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year --- book ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert-St. Louis Intl. Airport (STL) to Buffalo Niagara Intl. Airport (BUF)?
Most flights can be cancelled online, but every airline has different terms and conditions. If you do need to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from STL to Buffalo Niagara International Airport that have flexible change policies?
Flights from STL to BUF with flexible change policies are available from several airlines. Simply use our "No change fees" filter while searching. You'll only need to cover the cost difference between flights, without any extra fees to worry about.
How many hours is the flight from Lambert Field to Buffalo Niagara International Airport?
The average flight time between Lambert Field and BUF is 4 hours and 28 minutes. If you're travelling with kids, it's always a good idea to pack a few healthy snacks in your cabin baggage.
How far is the flight from Lambert Field to Buffalo Niagara Intl. Airport (BUF)?
A flight distance of just 1,100 kilometres separates St. Louis and Buffalo. Once you're in the air, you won't have time to do much more than listen to some short podcasts.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Buffalo Niagara International Airport?
If you want to fly straight from Lambert-St. Louis Intl. Airport (STL) to Buffalo Niagara International Airport, you'll need to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly on this route.
Are Lambert Field to BUF flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Lambert Field to Buffalo Niagara Intl. Airport (BUF) can be hit-or-miss. You might be lucky and score a bargain, but then again, you could miss out! If you'd rather play it safe and start your travel planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines list their prices that far in advance. Our top tip? Check back often as prices are updated regularly.

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