CA $149 Cheap Flights from St. Louis (STL) to Buffalo (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 $149 for one-way flights and CA $220 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Flight from St. Louis to Buffalo (STL - BUF) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Sun Country Airlines, United
Roundtrip price
CA $219
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 $220 rising to CA $270.  

Here are more money-saving tips: 

  • Fly in June 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 BUF?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight from Lambert-St. Louis Intl. Airport (STL) to Buffalo Niagara International Airport was CA $220. Fares this cheap don’t stick around for long, so make sure you book yours ASAP. 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 Field to Buffalo Niagara Intl. Airport (BUF)?
This can differ from airline to airline, as each one has its own terms and conditions. Visit the Customer Service Portal, where you’ll find simple instructions on how to cancel your flight online.
How do I find cheap flights from St. Louis Lambert International Airport to BUF that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for St. Louis Lambert International Airport to BUF flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from STL to Buffalo Niagara Intl. Airport (BUF)?
A flight distance of just 1,100 kilometers separates St. Louis and Buffalo. Once you’re up in the skies, you won’t get a chance to do much more than read the in-flight magazine.
Which airlines fly direct from Lambert Field to BUF?
If you want to fly straight from St. Louis Lambert International Airport to Buffalo Niagara Intl. Airport (BUF), you’ll need to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly on this route.
Are Lambert Field to BUF flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so not always. While last-minute deals between STL and Buffalo Niagara International Airport are of course possible, it also makes sense to keep an eye on prices well before you fly. In fact, some airlines release their prices up to a year prior to the departure date. Expedia is continuously updating the best bargains around, so keep checking back and be ready to grab your seat when the fares dip.
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