BUF - STL

$131 Find Cheap Flights from Buffalo to St. Louis - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$258
Typical prices: $318-$489
Frontier
Mon 10/29Wed 10/31
BUF - STL • 1 stop
Cheapest one-way
$131
Typical prices: $165-$294
Frontier
Mon 10/15
BUF - STL • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Buffalo and St. Louis. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
January
Cheapest • 14% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Atlanta Hartsfield-Jackson (ATL)
Cheapest • Avg $320 (round-trip)
Chicago Midway (MDW)
Shortest trip • 4h 10m (one-way)
Insights
Insights
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We hope you love your trip to St. Louis!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Buffalo to St. Louis

Thu, Oct 29 - Sat, Oct 31
Frontier Logo
12:54 pm - 11:16 pmBUF  Buffalo-STL Lambert-St Louis
11h 22m1 stop Orlando
Frontier Logo
4:26 pm - 6:52 pmSTL  Lambert-St Louis-BUF Buffalo
25h 26m1 stop Orlando
$258Frontier
Mon, Dec 7 - Thu, Dec 10
Frontier Logo
2:39 pm - 12:12 amBUF  Buffalo-STL Lambert-St Louis
10h 33m1 stop Orlando
Frontier Logo
6:13 pm - 1:44 pmSTL  Lambert-St Louis-BUF Buffalo
18h 31m1 stop Orlando
$260Frontier
Mon, Oct 19 - Mon, Oct 26
Southwest Logo
7:35 pm - 11:20 pmBUF  Buffalo-STL Lambert-St Louis
4h 45m1 stop Chicago Midway
Southwest Logo
5:25 am - 10:25 amSTL  Lambert-St Louis-BUF Buffalo
4h 00m1 stop Chicago Midway
$309Southwest
Mon, Nov 9 - Sat, Nov 14
American Airlines Logo
5:13 am - 9:55 amBUF  Buffalo-STL Lambert-St Louis
5h 42m1 stop Washington, D.C. Reagan-National
American Airlines Logo
5:01 am - 10:48 amSTL  Lambert-St Louis-BUF Buffalo
4h 47m1 stop Chicago O'Hare Intl
$309American Airlines
Mon, Nov 9 - Sat, Nov 14
American Airlines Logo
6:46 pm - 11:59 pmBUF  Buffalo-STL Lambert-St Louis
6h 13m1 stop Chicago O'Hare Intl
American Airlines Logo
11:23 am - 6:05 pmSTL  Lambert-St Louis-BUF Buffalo
5h 42m1 stop Chicago O'Hare Intl
$309American Airlines
Thu, Nov 12 - Tue, Nov 17
American Airlines Logo
5:13 am - 9:55 amBUF  Buffalo-STL Lambert-St Louis
5h 42m1 stop Washington, D.C. Reagan-National
American Airlines Logo
11:35 am - 6:05 pmSTL  Lambert-St Louis-BUF Buffalo
5h 30m1 stop Chicago O'Hare Intl
$309American Airlines
Mon, Dec 7 - Thu, Dec 10
Southwest Logo
7:05 am - 5:25 pmBUF  Buffalo-STL Lambert-St Louis
11h 20m2 stops Orlando Milwaukee-Mitchell
Southwest Logo
3:35 pm - 10:20 pmSTL  Lambert-St Louis-BUF Buffalo
5h 45m1 stop Orlando
$314Southwest
Fri, Oct 16 - Fri, Oct 23
Frontier Logo
1:44 pm - 11:13 pmBUF  Buffalo-STL Lambert-St Louis
10h 29m2 stops Atlanta Hartsfield-Jackson Orlando
Frontier Logo
6:35 pm - 12:59 pmSTL  Lambert-St Louis-BUF Buffalo
17h 24m1 stop Atlanta Hartsfield-Jackson
$336Frontier
Wed, Dec 30 - Sat, Jan 2
Delta Logo
5:50 pm - 8:47 pmBUF  Buffalo-STL Lambert-St Louis
3h 57m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:21 pm - 11:59 pmSTL  Lambert-St Louis-BUF Buffalo
4h 38m1 stop Detroit Metropolitan Wayne County
$425Delta
Mon, Oct 19 - Thu, Oct 22
Delta Logo
3:53 pm - 11:54 pmBUF  Buffalo-STL Lambert-St Louis
9h 01m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson
Delta Logo
7:00 am - 7:02 pmSTL  Lambert-St Louis-BUF Buffalo
11h 02m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County
$1,893Delta
Booking Insights

Price, demand and travel trends for Buffalo to St. Louis flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Buffalo to St. Louis with more confidence.

How much is a round-trip flight from Buffalo to St. Louis?

Round-trip flights from Buffalo to St. Louis start at $258. Prices are below average for this route right now, with typical round-trip fares ranging from $318 to $489. The lowest price found in the past 5 days was $258 on Frontier.

What's the cheapest day of the week to fly from Buffalo to St. Louis?

Thursday is the cheapest day of the week to fly from Buffalo to St. Louis, it is 14% cheaper than the average day. Sunday is the most expensive day with flight prices 71% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Buffalo to St. Louis?

•January is the cheapest month to fly from Buffalo to St. Louis at $321 round-trip.
•June ($652) and March ($597) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 103% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Buffalo to St. Louis flights

Low season

February

Cheapest flight

$131
Best time to beat the crowds but there is an average 31% increase in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Buffalo to St. Louis

When to book flights from Buffalo to St. Louis

Are your dates flexible? Find out the best times to travel from Buffalo to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Buffalo to St. Louis flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What cabin classes can I book on flights from Buffalo to St. Louis?

    Only Economy Class is available on flights from Buffalo to St. Louis.

  • How long is a flight from Buffalo to St. Louis?

    A nonstop flight from Buffalo to St. Louis takes 0h 00m, covering 672 miles.

  • Do I need a passport to fly from Buffalo to St. Louis?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How much should I expect to pay for a Buffalo to St. Louis flight?

    Round-trip flights from Buffalo to St. Louis range from $318 to $489, with an average of $373 over the past 12 months. Anything below $318 counts as a good deal.

  • Have flight prices from Buffalo to St. Louis changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $258 to $1,720. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Buffalo to St. Louis looking right now?

    One-way fares from Buffalo to St. Louis are currently lower than usual. Average one-way flight prices are about $186, which is 13% below the typical average for this route.

  • What car rental options are available at Lambert-St Louis Airport (STL)?

    Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
    • Hertz
    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Payless

  • Which airports can I use when flying from Buffalo to St. Louis?

    Flights from Buffalo to St. Louis usually depart from Buffalo (BUF) and arrive at Lambert-St Louis (STL).

  • Which airports do connecting flights from Buffalo to St. Louis pass through?

    One-stop flights from Buffalo to St. Louis most commonly connect through:

    • Detroit Metropolitan Wayne County (DTW) - 33% of one-stop connections
    • Chicago Midway (MDW) - 24% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 24% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 6% of one-stop connections

    Detroit Metropolitan Wayne County (DTW) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Buffalo to St. Louis?

    Yes. Being flexible with your travel dates can save you up to 50% on the Buffalo to St. Louis route. Thursday is the cheapest departure day at $321 round-trip on average, while Sunday is the most expensive at $641, a difference of $320. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Buffalo to St. Louis?

    Flying via Chicago Midway (MDW) gives the shortest average 1-stop total travel time at 4h 10m, compared with 4h 16m via Detroit Metropolitan Wayne County (DTW) and 4h 25m via Washington, D.C. Reagan-National (DCA).

  • What is the time difference between Buffalo and St. Louis?

    St. Louis is 1 hour behind Buffalo (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in St. Louis?

    Some of the most popular sights in St. Louis are Busch Stadium, Enterprise Center and America's Center Convention Complex. These are among the most viewed places in St. Louis on KAYAK.

Your guide to booking Buffalo to St. Louis flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $321 - about $320 less than Sunday (50% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Buffalo to St. Louis trip for January. Fares historically average $321 round-trip in that month - typically $331 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.
    - Drury Inn & Suites St. Louis Airport
    - Renaissance St. Louis Airport Hotel
    - DoubleTree by Hilton St. Louis Airport

More options for your flight from Buffalo to St. Louis

Complete your trip to St. Louis with a hotel stay or car rental

Car rentals in St. Louis
Hotels in St. Louis
Vacations in St. Louis