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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 25% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Frequently asked questions

How much is a flight from Buffalo Niagara International Airport to Lambert Field?
If you’re travelling between BUF and St. Louis Lambert International Airport, round-trip flights start from . This figure is based on airfares listed within the last 7 days on Expedia for flights departing within the next year, so don’t wait around. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Buffalo Niagara Intl. Airport (BUF) to St. Louis Lambert International Airport?
We understand that things come up unexpectedly, so we’ve made it as simple as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Buffalo Niagara International Airport to Lambert-St. Louis Intl. Airport (STL) 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 Buffalo Niagara Intl. Airport (BUF) to STL flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Buffalo Niagara International Airport to STL?
With a flight distance of 1,100 kilometres, it’s just a hop from Buffalo Niagara Intl. Airport (BUF) to Lambert-St. Louis Intl. Airport (STL). It might be a quick one, but it’s still worth packing a good book to read.
Which airlines fly direct from Buffalo Niagara Intl. Airport (BUF) to Lambert Field?
You won’t find any airlines operating directly between Buffalo Niagara Intl. Airport (BUF) and St. Louis Lambert International Airport, so be ready to make at least one stop on your journey. A layover can be a good way to break up a trip!
Are Buffalo Niagara International Airport to Lambert-St. Louis Intl. Airport (STL) flight tickets cheaper when they're purchased at the last minute?
Flight prices are constantly going up and down, so it’s no sure thing. While last-minute deals between Buffalo Niagara International Airport and Lambert-St. Louis Intl. Airport (STL) are of course possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some airlines publish their prices up to a year ahead of the departure date. Expedia is constantly updating the biggest airfare bargains around, so check back often and be ready to grab your seat when prices drop.
*Available to Expedia members.