Cheap flights from Buffalo to St. Louis

Round-trip
Economy
Buffalo (BUF)
St. Louis (STL)
Depart
Return
Any month
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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 2021: compare Buffalo to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.
BUF - STL
Price
C$ 228 - C$ 346
STL
Temperature
0 - 27 °C
STL
Precipitation
56 - 119 mm

Popular in

October

High demand for flights, 11% potential price rise

Cheapest in

August

Best time to find cheap flights, 26% potential price drop

Average price

C$ 431

Average for round-trip flights in October 2021

Round-trip from

C$ 284

From Buffalo to Lambert-St Louis

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Buffalo to St. Louis?

Users have found that flying from Buffalo to St. Louis on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

When is the cheapest time to fly from Buffalo to St. Louis (BUF - STL)?

It’s optimal to fly from Buffalo to St. Louis in the morning. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight at noon.

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

Our data shows that August tends to be the cheapest month to fly to St. Louis from Buffalo. Users have commonly found prices around C$ 381 for the month, but tickets can be as low as C$ 237. Due to multiple factors, prepare for potentially higher prices in October.

How far in advance should I book a flight from Buffalo to St. Louis?

Find a great deal and save up to 92% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Buffalo to St. Louis within the next two weeks, with the cheapest ticket starting at C$ 538.

Cheap flights from Buffalo to St. Louis in October, November 2021

The best prices found for BUF to STL flights for October, November
28 Oct - 1 Nov
C$ 215pp
BUF
Buffalo
Delta
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
BUF
Buffalo
16 Nov - 23 Nov
C$ 251pp
BUF
Buffalo
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
BUF
Buffalo
26 Oct - 28 Oct
C$ 444pp
BUF
Buffalo
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BUF
Buffalo

Buffalo to St. Louis 2021 flight deals

Cheap flights to St. Louis from Buffalo found for this year
28 Oct - 1 Nov
C$ 215pp
BUF
Buffalo
Delta
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
BUF
Buffalo
16 Nov - 23 Nov
C$ 251pp
BUF
Buffalo
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
BUF
Buffalo
30 Dec - 4 Jan
C$ 284pp
BUF
Buffalo
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
BUF
Buffalo

One-way flights to Lambert-St Louis from Buffalo

The cheapest one-way flights from Buffalo to St. Louis
2:45 a.m. - 12:09 p.m.
Multiple Airlines
3 stops
10h 24m
BUF - STL
Multiple Airlines
C$ 350
United
1:00 a.m. - 11:09 a.m.
Multiple Airlines
3 stops
11h 09m
BUF - STL
Multiple Airlines
C$ 604
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Buffalo</span> to <span class="emphasized">St. Louis</span> flights.

Flight FAQs

From Buffalo to St. Louis

Which airlines flying from Buffalo to Lambert-St Louis have flexible cancellations due to COVID-19?

American Airlines, Delta, and United Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Buffalo to St. Louis for under C$ 300 on Cheapflights?

Yes, there are multiple flights from Buffalo to St. Louis for under C$ 300. The cheapest flight booked recently is on Delta for just C$ 215, but on average you can expect to pay C$ 525.

How popular is this Buffalo to St. Louis flight route?

This flight path from Buffalo to Lambert-St Louis was viewed by 50 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines flying from Buffalo to St. Louis round-trip?

Currently priced at C$ 215, Delta will fly you from Buffalo to St. Louis and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from C$ 251 and C$ 365, respectively. You may be able to fly from Buffalo to St. Louis for 43% less than the average price by searching for these airlines.

What are the cheapest flights from Buffalo to St. Louis?

Looking at all options, your cheapest flight can be booked for C$ 197. While the most popular route (Buffalo - Lambert-St Louis) can be booked for C$ 254 on average our data indicates C$ 574 when flying from Buffalo to St. Louis

What are the most popular airlines that fly from Buffalo to St. Louis?

American Airlines, Delta and United Airlines are the most popular airlines when flying from Buffalo to St. Louis.

COVID Restrictions

View COVID Travel Restrictions for St. Louis, MO

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

Information is based on travel restrictions for travel to Lambert-St Louis within the United States

Most visitors from Buffalo need to provide a negative COVID-19 test result and/or quarantine to enter Lambert-St Louis.

COVID-19 testing requirements
Visitors from Buffalo must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Buffalo are not required to quarantine after entering Lambert-St Louis.

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

Returning to Buffalo from Lambert-St Louis

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Buffalo.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Buffalo.

Hide COVID Travel Restrictions for St. Louis, MO

Destination information for St. Louis

Things to know before you go - useful duration and weather info for your trip from Buffalo to St. Louis.
Average temperature for October in St. Louis
22.0 °C
Avg rainfall for October in St. Louis
71.0 mm

Airports servicing Buffalo

Airports servicing St. Louis

Hourly flight availability from Buffalo to St. Louis

See what time of day planes typically take off from Buffalo towards St. Louis.
Morning 6 AM to noon 100% of flight departures
Early morning Midnight to 6 AM 0% of flight departures
Afternoon Noon to 6 PM 0% of flight departures
Evening 6 PM to midnight 0% of flight departures
Midnight
6 AM
Noon
6 PM
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