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

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

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

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

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

One-stop flights from St. Louis to Buffalo most commonly connect through: • Chicago Midway (MDW) - 27% of one-stop connections • Detroit Metropolitan Wayne County (DTW) - 22% of one-stop connections • Chicago O'Hare Intl (ORD) - 21% of one-stop connections • Atlanta Hartsfield-Jackson (ATL) - 13% of one-stop connections

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

Yes. Flexible dates can save you up to 43% on flights from St. Louis to Buffalo. Monday is the cheapest departure day at $260 round-trip on average, while Sunday is the most expensive at $456, a difference of $196. 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 long is a flight from St. Louis to Buffalo?

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

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

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.

Have flight prices from St. Louis to Buffalo 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 $239 to $1,342. That means the highest observed fare was about 6x higher than the lowest one.

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

One-way fares from St. Louis to Buffalo are currently lower than usual. Average one-way flight prices are about $183, which is 32% below the typical average for this route.

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

Flying via Chicago Midway (MDW) gives the shortest average 1-stop total travel time at 3h 54m, compared with 4h 18m via Detroit Metropolitan Wayne County (DTW) and 4h 30m via Charlotte Douglas (CLT).

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

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

What car rental options are available at Buffalo Airport (BUF)?

Buffalo Airport (BUF) hosts 5 major car rental companies, with daily rates starting from around $19 for economy cars. Top options include: • Dollar • Budget • Hertz • Thrifty • Alamo

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

Round-trip flights from St. Louis to Buffalo range from $293 to $450, with an average of $368 over the past 12 months. Anything below $293 counts as a good deal.

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

Round-trip flights from St. Louis to Buffalo typically range from $293 to $450. The lowest price found in the past 5 days was $239, on American Airlines.

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

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from St. Louis to Buffalo. It’s 30% cheaper than the average day, while Sunday is the most expensive, with prices 23% higher.

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

•September is the cheapest month to fly from St. Louis to Buffalo at $316 round-trip. •April ($508) and March ($466) are the most expensive months. •The price difference between flying in the cheapest and most expensive months is 60% on average. This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Which airline is the cheapest to fly from St. Louis to Buffalo?

American Airlines ($239) and Delta ($239) are the cheapest airlines to fly round-trip from St. Louis to Buffalo according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from St. Louis to Buffalo?

Chicago Midway (MDW) is the most popular layover for the St. Louis to Buffalo route. 27% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via MDW.

What is the cheapest layover airport when flying from St. Louis to Buffalo?

Flights via Atlanta Hartsfield-Jackson (ATL) offer the most affordable fares, with an average round-trip price of $167. Based on KAYAK data over the past 3 months.

When flying from St. Louis to Buffalo which airport offers the shortest layover?

Chicago Midway (MDW) had the shortest average connection time for St. Louis to Buffalo layovers at 2h 30m over the past 3 months.

$120 CHEAP FLIGHTS from St. Louis to Buffalo (STL - BUF)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$239

Typical prices: $293-$450

American Airlines

Mon 11/19Fri 11/23

STL - BUF • 1 stop

Cheapest one-way

$120

Typical prices: $193-$378

Southwest

Mon 11/19

STL - BUF • 1 stop

Nonstop flights

Not available

There are currently no direct flights between St. Louis and Buffalo. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

September

Cheapest • 14% price drop

August

Most popular

Good to know

Top layover airports

Atlanta Hartsfield-Jackson (ATL)

Cheapest • Avg $167 (round-trip)

Chicago Midway (MDW)

Shortest trip • 3h 54m (one-way)

Insights

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Buffalo!

Flight Deals

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

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

Round-trip

One-way

Last minute

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

Thu, Nov 19 - Mon, Nov 23

10:56 am - 6:00 pmSTL Lambert-St Louis-BUF Buffalo

6h 04m1 stop Chicago O'Hare Intl

7:52 am - 12:44 pmBUF Buffalo-STL Lambert-St Louis

5h 52m1 stop Chicago O'Hare Intl

$239American Airlines

Mon, Jan 18 - Thu, Jan 21

11:34 am - 5:57 pmSTL Lambert-St Louis-BUF Buffalo

5h 23m1 stop Chicago O'Hare Intl

6:00 am - 10:30 amBUF Buffalo-STL Lambert-St Louis

5h 30m1 stop New York LaGuardia

$239American Airlines

Mon, Dec 28 - Thu, Dec 31

6:21 pm - 12:02 amSTL Lambert-St Louis-BUF Buffalo

4h 41m1 stop Detroit Metropolitan Wayne County

6:00 am - 11:13 amBUF Buffalo-STL Lambert-St Louis

6h 13m1 stop Detroit Metropolitan Wayne County

$239Delta

Sat, Nov 14 - Sat, Nov 21

4:39 pm - 10:42 pmSTL Lambert-St Louis-BUF Buffalo

5h 03m1 stop Detroit Metropolitan Wayne County

12:15 pm - 3:47 pmBUF Buffalo-STL Lambert-St Louis

4h 32m1 stop Detroit Metropolitan Wayne County

$260Delta

Sat, Nov 14 - Sat, Nov 21

5:45 am - 2:55 pmSTL Lambert-St Louis-BUF Buffalo

8h 10m2 stops Chicago Midway Baltimore/Washington

5:40 pm - 11:30 pmBUF Buffalo-STL Lambert-St Louis

6h 50m1 stop Baltimore/Washington

$266Southwest

Thu, Dec 3 - Thu, Dec 10

10:55 am - 4:00 pmSTL Lambert-St Louis-BUF Buffalo

4h 05m1 stop Chicago Midway

5:00 pm - 10:00 pmBUF Buffalo-STL Lambert-St Louis

6h 00m1 stop Nashville Intl

$270Southwest

Mon, Jan 18 - Thu, Jan 21

4:57 pm - 10:59 pmSTL Lambert-St Louis-BUF Buffalo

5h 02m1 stop Newark

11:13 am - 9:37 pmBUF Buffalo-STL Lambert-St Louis

11h 24m2 stops Newark Chicago O'Hare Intl

$344United Airlines

Mon, Jan 18 - Thu, Jan 21

4:57 pm - 10:59 pmSTL Lambert-St Louis-BUF Buffalo

5h 02m1 stop Newark

5:45 am - 5:50 pmBUF Buffalo-STL Lambert-St Louis

13h 05m2 stops Newark Chicago O'Hare Intl

$344United Airlines

Fri, Nov 27 - Sun, Nov 29

1:20 pm - 8:24 pmSTL Lambert-St Louis-BUF Buffalo

6h 04m1 stop Orlando

9:20 pm - 11:59 pmBUF Buffalo-STL Lambert-St Louis

27h 39m1 stop Orlando

$358Frontier

Fri, Nov 27 - Sun, Nov 29

1:20 pm - 8:24 pmSTL Lambert-St Louis-BUF Buffalo

6h 04m1 stop Orlando

9:20 pm - 11:59 pmBUF Buffalo-STL Lambert-St Louis

27h 39m1 stop Orlando

$370Frontier

Recent last minute flight deals from St. Louis to Buffalo

Thu, Oct 22 - Mon, Oct 26

10:00 am - 3:57 pmSTL Lambert-St Louis-BUF Buffalo

4h 57m1 stop Boston Logan Intl

7:53 pm - 11:59 pmBUF Buffalo-STL Lambert-St Louis

5h 06m1 stop Charlotte Douglas

$697American Airlines

Thu, Oct 22 - Sun, Oct 25

11:31 am - 5:08 pmSTL Lambert-St Louis-BUF Buffalo

4h 37m1 stop Chicago O'Hare Intl

5:50 am - 12:09 pmBUF Buffalo-STL Lambert-St Louis

7h 19m1 stop Charlotte Douglas

$697American Airlines

Fri, Oct 23 - Mon, Oct 26

4:15 pm - 9:54 pmSTL Lambert-St Louis-BUF Buffalo

4h 39m1 stop New York LaGuardia

5:50 am - 12:09 pmBUF Buffalo-STL Lambert-St Louis

7h 19m1 stop Charlotte Douglas

$697American Airlines

Fri, Oct 23 - Sun, Oct 25

5:00 am - 10:48 amSTL Lambert-St Louis-BUF Buffalo

4h 48m1 stop Charlotte Douglas

12:06 pm - 5:39 pmBUF Buffalo-STL Lambert-St Louis

6h 33m1 stop Boston Logan Intl

$697American Airlines

Fri, Oct 23 - Mon, Oct 26

1:05 pm - 9:10 pmSTL Lambert-St Louis-BUF Buffalo

7h 05m2 stops Nashville Intl Chicago Midway

7:30 am - 12:15 pmBUF Buffalo-STL Lambert-St Louis

5h 45m1 stop Chicago Midway

$702Southwest

Thu, Oct 22 - Sun, Oct 25

10:50 am - 3:50 pmSTL Lambert-St Louis-BUF Buffalo

4h 00m1 stop Chicago Midway

5:50 am - 11:35 amBUF Buffalo-STL Lambert-St Louis

6h 45m2 stops Baltimore/Washington Charlotte Douglas

$702Southwest

Fri, Oct 23 - Sun, Oct 25

11:35 am - 4:43 pmSTL Lambert-St Louis-BUF Buffalo

4h 08m1 stop Chicago O'Hare Intl

6:00 am - 12:10 pmBUF Buffalo-STL Lambert-St Louis

7h 10m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$702United Airlines

Fri, Oct 23 - Sun, Oct 25

5:40 pm - 11:45 pmSTL Lambert-St Louis-BUF Buffalo

5h 05m1 stop Baltimore/Washington

5:50 am - 11:35 amBUF Buffalo-STL Lambert-St Louis

6h 45m2 stops Baltimore/Washington Charlotte Douglas

$702Southwest

Thu, Oct 22 - Mon, Oct 26

9:04 am - 4:43 pmSTL Lambert-St Louis-BUF Buffalo

6h 39m1 stop Chicago O'Hare Intl

2:55 pm - 9:40 pmBUF Buffalo-STL Lambert-St Louis

7h 45m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$748United Airlines

Thu, Oct 22 - Mon, Oct 26

10:27 am - 4:43 pmSTL Lambert-St Louis-BUF Buffalo

5h 16m1 stop Chicago O'Hare Intl

6:00 am - 3:43 pmBUF Buffalo-STL Lambert-St Louis

10h 43m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$748United Airlines

Booking Insights

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

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

Prices

Airlines

Layovers

How much is a round-trip flight from St. Louis to Buffalo? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Buffalo departing in november.
What's the cheapest day of the week to fly from St. Louis to Buffalo?: Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from St. Louis to Buffalo. It’s 30% cheaper than the average day, while Sunday is the most expensive, with prices 23% higher.
What’s the cheapest month to fly from St. Louis to Buffalo? KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from St. Louis to Buffalo, removes the top 0.1% to account for outliers and then takes the median of all values for each month.: •September is the cheapest month to fly from St. Louis to Buffalo at $316 round-trip.
•April ($508) and March ($466) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 60% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Low season	March
High season	August
Cheapest flight	$120

Beat the crowds with an average 57% drop in travelers.

The most popular month to fly with an average 74% increase in travelers.

One-way flight from St. Louis to Buffalo

When to book flights from St. Louis to Buffalo

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

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from St. Louis to Buffalo?
Only Economy Class is available on flights from St. Louis to Buffalo.
How long is a flight from St. Louis to Buffalo?
A nonstop flight from St. Louis to Buffalo takes 00m, covering 672 miles.
Do I need a passport to fly from St. Louis to Buffalo?
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 St. Louis to Buffalo flight?
Round-trip flights from St. Louis to Buffalo range from $293 to $450, with an average of $368 over the past 12 months. Anything below $293 counts as a good deal.
Have flight prices from St. Louis to Buffalo 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 $239 to $1,342. That means the highest observed fare was about 6x higher than the lowest one.
How are flight prices from St. Louis to Buffalo looking right now?
One-way fares from St. Louis to Buffalo are currently lower than usual. Average one-way flight prices are about $183, which is 32% below the typical average for this route.
What car rental options are available at Buffalo Airport (BUF)?
Buffalo Airport (BUF) hosts 5 major car rental companies, with daily rates starting from around $19 for economy cars. Top options include:

• Dollar
• Budget
• Hertz
• Thrifty
• Alamo
Which airports can I use when flying from St. Louis to Buffalo?
Flights from St. Louis to Buffalo usually depart from Lambert-St Louis (STL) and arrive at Buffalo (BUF).
Which airports do connecting flights from St. Louis to Buffalo pass through?
One-stop flights from St. Louis to Buffalo most commonly connect through:

• Chicago Midway (MDW) - 27% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 22% of one-stop connections
• Chicago O'Hare Intl (ORD) - 21% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 13% of one-stop connections
Can I save money by using flexible dates for flights from St. Louis to Buffalo?
Yes. Flexible dates can save you up to 43% on flights from St. Louis to Buffalo. Monday is the cheapest departure day at $260 round-trip on average, while Sunday is the most expensive at $456, a difference of $196.

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 St. Louis to Buffalo?
Flying via Chicago Midway (MDW) gives the shortest average 1-stop total travel time at 3h 54m, compared with 4h 18m via Detroit Metropolitan Wayne County (DTW) and 4h 30m via Charlotte Douglas (CLT).
What is the time difference between St. Louis and Buffalo?
Buffalo is 1 hour ahead of St. Louis (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Monday departure and avoid flying on Sunday. On this route, Monday flights average $260, about $196 less than Sunday fares (43% savings) based on the last 12 months.
If you can choose when to travel, plan your St. Louis to Buffalo trip for September. Fares historically average $316 round-trip in that month - typically $192 less than the most expensive month, which is April (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Buffalo Airport.

• Aloft Buffalo Airport
• Comfort Inn and Suites Buffalo Airport
• TownePlace Suites by Marriott Buffalo Airport

More options for your flight from St. Louis to Buffalo

Add a hotel or car rental

Airports

Cabin class

Direct Flights

Origins

Other destinations

Return flight

Complete your trip to Buffalo with a hotel stay or car rental

Car rentals in Buffalo

Hotels in Buffalo

Vacations in Buffalo

STL - BUF

$120 Find Cheap Flights from St. Louis to Buffalo - Compare and Save

Everything you should know

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

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

Recent one-way flight deals from St. Louis to Buffalo

Recent last minute flight deals from St. Louis to Buffalo

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

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

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

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

Which airline is the cheapest to fly from St. Louis to Buffalo?

What’s the most popular layover airport when flying from St. Louis to Buffalo?

What is the cheapest layover airport when flying from St. Louis to Buffalo?

When flying from St. Louis to Buffalo which airport offers the shortest layover?

Key details for St. Louis to Buffalo flights

Low season

High season

Cheapest flight

When to book flights from St. Louis to Buffalo

Your St. Louis to Buffalo flight questions, answered

Your guide to booking St. Louis to Buffalo flights

More options for your flight from St. Louis to Buffalo

Complete your trip to Buffalo with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from St. Louis to Buffalo

Find direct flights to and from St. Louis and Buffalo

Flights from domestic origins to Buffalo

Flights to other popular destinations

Find deals for your return flight