Cheap flights from Buffalo to St. Louis (BUF - STL) from $87

This is the cheapest one-way flight price, found on 5/30. Prices may vary by date and flight preferences.
BUF — STL
Jun 6 — Jun 131

The best prices from Buffalo to Lambert-St Louis are usually found in February or August, booked 60 days in advance, depart on a Thursday or Monday and return on a Saturday

How to find the cheapest flight from Buffalo (BUF) to St. Louis (STL)

All the information you need to plan the best BUF to STL flight in 2023: compare Buffalo to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.

Popular in

July

Cheapest in

February

Round-trip from

$293

One-way from

$154
High demand for flights, 18% potential price rise
Best time to find cheap flights, 12% potential price drop
From Buffalo to Lambert-St Louis
One-way flight from Buffalo to Lambert-St Louis

BUF - STL

Price

$293 - $471

STL

Temperature

32 - 80.6 °F

STL

Rainfall

2.2 - 4.7 inches

Cheap flights from Buffalo to St. Louis in June, July 2023

The best prices found for BUF to STL flights for June, July
Check out some of the best flight deals from Buffalo to St. Louis in 2023. Check back regularly for other flight deals.

Buffalo to St. Louis 2023 flight deals

Cheap flights to St. Louis from Buffalo found for this year
Check out some of the best flight deals from Buffalo to St. Louis in 2023. Check back regularly for other flight deals.

Cheap Frontier flights from Buffalo to St. Louis

Consider these cheap Frontier flights we've found departing from Buffalo to St. Louis. It's recommended that users confirm their flight details before booking.

Cheap American Airlines flights from Buffalo to St. Louis

Have a look at some of the cheapest available American Airlines flights departing from Buffalo and landing in St. Louis. Make sure to examine the flight information before completing your reservation.

Last minute flights from Buffalo to St. Louis

Late deals on return flights to St. Louis from Buffalo, departing today and this week
Users seeking a last-minute flight from Buffalo to St. Louis should consider booking one of these fares. It's wise to confirm all flight details are correct before booking.

One-way flights to St. Louis from Buffalo

The cheapest one-way flights from Buffalo to St. Louis
If you're seeking multiple options on one-way flights from Buffalo to St. Louis, be sure to check out these deals, which are updated often. For those needing a return trip from Buffalo, there is a search form available above.

Find flights from Buffalo to St. Louis within your budget

Use the slider to find flights from Buffalo to St. Louis that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$188 - $316

Route

Depart

Return

Price

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Thu 6/15

1 stop12h 38m

Lambert-St Louis

Sat 6/17

1 stop13h 49m

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Thu 6/15

1 stop12h 38m

Lambert-St Louis

Mon 6/19

1 stop16h 11m

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Thu 6/15

1 stop10h 29m

Lambert-St Louis

Mon 6/19

1 stop16h 11m

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Wed 7/19

1 stop14h 14m

Lambert-St Louis

Wed 7/26

1 stop13h 48m

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Wed 6/28

1 stop5h 27m

Lambert-St Louis

Wed 7/5

1 stop6h 53m

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Wed 6/28

1 stop5h 27m

Lambert-St Louis

Sat 7/1

1 stop4h 24m

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Tue 7/18

1 stop7h 10m

Lambert-St Louis

Thu 7/20

1 stop6h 53m

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Mon 6/12

1 stop13h 22m

Lambert-St Louis

Fri 6/16

1 stop26h 04m

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Thu 7/27

1 stop13h 09m

Lambert-St Louis

Sun 7/30

1 stop5h 03m

Flights are sorted by cheapest first

Deals found on 5/31

Reviews of Airlines Servicing St. Louis

Read through reviews of airlines operating flights from Buffalo to St. Louis, such as Frontier and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.6
Good
1,535 reviews

Food

6.8

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.8

Entertainment

7.1

Reviews

1 / 10

Fast and efficient, cute was friendly and the plane was clean.

United Airlines
7.6
Good
1,535 reviews
United Airlines
7.6
Good
1,535 reviews

Food

6.8

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.8

Entertainment

7.1

Reviews

1 / 10

Fast and efficient, cute was friendly and the plane was clean.

American Airlines
7.3
Good
2,149 reviews
United Airlines
7.6
Good
1,535 reviews

Food

6.8

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.8

Entertainment

7.1

Reviews

1 / 10

Fast and efficient, cute was friendly and the plane was clean.

Frontier
5.9
Fair
669 reviews
United Airlines
7.6
Good
1,535 reviews

Food

6.8

Comfort

7.4

Crew

8.2

Overall

7.6

Boarding

7.8

Entertainment

7.1

Reviews

1 / 10

Fast and efficient, cute was friendly and the plane was clean.

Related info for your journey

Useful info, stats and facts about Buffalo to St. Louis flights.

Top 4 airlines flying from Buffalo to St. Louis

The chart below displays the airlines Cheapflights users traveling from Buffalo to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
FrontierCheapest$168Average$228FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
American AirlinesCheapest$222Average$382FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$270Average$396FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$312Average$365FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
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