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Cheap flights from Buffalo to St. Louis from C$ 456

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BUF — STL
3 Apr — 10 Apr1
1 adult
Wed 3/4
Wed 10/4

The best prices from Buffalo to Lambert-St Louis are usually found in October or January, booked 39 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from Buffalo to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 March 2024.

Popular in

March

Cheapest in

October

Average price

C$ 619

Round-trip from

C$ 495
High demand for flights, 17% potential price rise
Best time to find cheap flights, 21% potential price drop
Average for round-trip flights in March 2024
From Buffalo to Lambert-St Louis

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 Wednesday 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.

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

Find a great deal and save up to 238% by booking at least 40 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$ 313.

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

Our data shows that October tends to be the cheapest month to fly to St. Louis from Buffalo. Users have commonly found prices around C$ 516 for the month, but tickets can be as low as C$ 278. Due to multiple factors, prepare for potentially higher prices in March.

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

It’s optimal to fly from Buffalo to St. Louis at noon. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the morning.

Cheap Delta flights from Buffalo to St. Louis

Explore cheap flight options specifically provided by Delta for the route between Buffalo and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 586,909 searches. Data last updated 29 March 2024.
Sat 25/51:00 p.m.BUF - STL
1 stop4h 36mDelta
Sun 26/56:30 a.m.STL - BUF
1 stop4h 04mDelta
Deal found 28/3C$ 456
Sat 25/512:01 p.m.BUF - STL
1 stop4h 56mDelta
Mon 27/56:12 p.m.STL - BUF
1 stop3h 47mDelta
Deal found 28/3C$ 483
Mon 29/46:12 p.m.BUF - STL
1 stop4h 11mDelta
Fri 3/56:00 a.m.STL - BUF
1 stop6h 36mDelta
Deal found 28/3C$ 497
Thu 23/56:30 a.m.BUF - STL
1 stop6h 46mDelta
Mon 27/56:30 a.m.STL - BUF
1 stop6h 01mDelta
Deal found 28/3C$ 524
Thu 23/56:30 a.m.BUF - STL
1 stop6h 46mDelta
Sun 26/56:30 a.m.STL - BUF
2 stops10h 49mDelta
Deal found 28/3C$ 1,047
Fri 24/56:12 p.m.BUF - STL
1 stop4h 22mDelta
Mon 27/56:30 a.m.STL - BUF
2 stops10h 49mDelta
Deal found 28/3C$ 1,165
Thu 23/56:20 a.m.BUF - STL
2 stops8h 55mDelta
Sun 26/56:30 a.m.STL - BUF
2 stops10h 49mDelta
Deal found 28/3C$ 1,791
Fri 24/56:20 a.m.BUF - STL
2 stops8h 55mDelta
Mon 27/56:30 a.m.STL - BUF
2 stops10h 49mDelta
Deal found 28/3C$ 1,855
Fri 19/42:10 p.m.BUF - STL
2 stops10h 36mDelta
Sun 21/46:30 a.m.STL - BUF
2 stops10h 49mDelta
Deal found 28/3C$ 2,351

Cheap Buffalo to St. Louis flights in March & April 2024

Find cheap flight options from Buffalo to St. Louis specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 586,909 searches. Prices were last updated on 29 March 2024.
Mon 29/46:12 p.m.BUF - STL
1 stop4h 11mDelta
Fri 3/56:00 a.m.STL - BUF
1 stop6h 36mDelta
Deal found 28/3C$ 497
Thu 18/47:00 a.m.BUF - STL
1 stop4h 14mUnited Airlines
Mon 22/411:10 a.m.STL - BUF
2 stops11h 13mUnited Airlines
Deal found 28/3C$ 691
Fri 19/42:10 p.m.BUF - STL
2 stops10h 36mDelta
Sun 21/46:30 a.m.STL - BUF
2 stops10h 49mDelta
Deal found 28/3C$ 2,351

Buffalo to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Buffalo and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 586,909 searches. Data last updated 29 March 2024.
Sat 25/51:00 p.m.BUF - STL
1 stop4h 36mDelta
Sun 26/56:30 a.m.STL - BUF
1 stop4h 04mDelta
Deal found 28/3C$ 456
Sat 25/512:01 p.m.BUF - STL
1 stop4h 56mDelta
Mon 27/56:12 p.m.STL - BUF
1 stop3h 47mDelta
Deal found 28/3C$ 483
Mon 29/46:12 p.m.BUF - STL
1 stop4h 11mDelta
Fri 3/56:00 a.m.STL - BUF
1 stop6h 36mDelta
Deal found 28/3C$ 497
Thu 23/56:30 a.m.BUF - STL
1 stop6h 46mDelta
Mon 27/56:30 a.m.STL - BUF
1 stop6h 01mDelta
Deal found 28/3C$ 524
Thu 18/47:00 a.m.BUF - STL
1 stop4h 14mUnited Airlines
Mon 22/411:10 a.m.STL - BUF
2 stops11h 13mUnited Airlines
Deal found 28/3C$ 691
Thu 23/56:30 a.m.BUF - STL
1 stop6h 46mDelta
Sun 26/56:30 a.m.STL - BUF
2 stops10h 49mDelta
Deal found 28/3C$ 1,047
Fri 24/56:12 p.m.BUF - STL
1 stop4h 22mDelta
Mon 27/56:30 a.m.STL - BUF
2 stops10h 49mDelta
Deal found 28/3C$ 1,165
Thu 23/56:20 a.m.BUF - STL
2 stops8h 55mDelta
Sun 26/56:30 a.m.STL - BUF
2 stops10h 49mDelta
Deal found 28/3C$ 1,791
Fri 24/56:20 a.m.BUF - STL
2 stops8h 55mDelta
Mon 27/56:30 a.m.STL - BUF
2 stops10h 49mDelta
Deal found 28/3C$ 1,855

Find flights from Buffalo to St. Louis within your budget

Customize your flight search to find flights from Buffalo to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 586,909 searches. Data last updated 29 March 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 456 - C$ 1,855

Route

Depart

Return

Price

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Sat 25/5

1 stop4h 36m

Lambert-St Louis

Sun 26/5

1 stop4h 04m

C$ 456

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Sat 25/5

1 stop4h 56m

Lambert-St Louis

Mon 27/5

1 stop3h 47m

C$ 483

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Mon 29/4

1 stop4h 11m

Lambert-St Louis

Fri 3/5

1 stop6h 36m

C$ 497

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Thu 23/5

1 stop6h 46m

Lambert-St Louis

Mon 27/5

1 stop6h 01m

C$ 524

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Thu 18/4

1 stop4h 14m

Lambert-St Louis

Mon 22/4

2 stops11h 13m

C$ 691

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Thu 23/5

1 stop6h 46m

Lambert-St Louis

Sun 26/5

2 stops10h 49m

C$ 1,047

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Fri 24/5

1 stop4h 22m

Lambert-St Louis

Mon 27/5

2 stops10h 49m

C$ 1,165

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Thu 23/5

2 stops8h 55m

Lambert-St Louis

Sun 26/5

2 stops10h 49m

C$ 1,791

BuffaloLambert-St Louis

BUF - STL

BUFSTL

Buffalo

Fri 24/5

2 stops8h 55m

Lambert-St Louis

Mon 27/5

2 stops10h 49m

C$ 1,855

Flights are sorted by cheapest first

Deals found on 28/3

When is the best time to book a flight from Buffalo to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to St. Louis. Price data was last updated on 28 January 2024.
The best time to book flights from Buffalo to St. Louis is 39 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Buffalo to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Buffalo to St. Louis. Price data was last updated on 24 March 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Buffalo to St. Louis flight should consider departing on Friday afternoons when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to St. Louis by month

Plan your trip from Buffalo to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Buffalo to St. Louis is currently C$ 0 while a round-trip flight costs C$ 945. Price data was last updated on 24 March 2024.

Currently, January is the cheapest month in which you can book a flight from Buffalo to St. Louis (average of C$ 365). Flying from Buffalo to St. Louis in July is currently the most expensive (average of C$ 522). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

C$ 495

February

C$ 544

March

C$ 606

April

C$ 642

May

C$ 541

June

C$ 634

July

C$ 708

August

C$ 619

September

C$ 624

October

C$ 648

November

C$ 547

December

C$ 516

Temperature and rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature and rainfall totals by month.

STL

Temperature

0 - 27 °C

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated 29 March 2024.
8.1
Very good
11,402 reviews

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.1

Food

7.5

Entertainment

8.0

Reviews

1 / 10

In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.

8.1
Very good
11,402 reviews
8.1
Very good
11,402 reviews

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.1

Food

7.5

Entertainment

8.0

Reviews

1 / 10

In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.

7.4
Good
11,470 reviews
8.1
Very good
11,402 reviews

Crew

8.6

Boarding

8.2

Comfort

7.9

Overall

8.1

Food

7.5

Entertainment

8.0

Reviews

1 / 10

In the boarding area at La Guardia, there are charging stations for electronics but the electric outlets do not work on many of the stations.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Buffalo to St. Louis for under C$ 500 on Cheapflights?

    Yes, there are multiple flights from Buffalo to St. Louis for under C$ 500. The cheapest flight booked recently is on Delta for just C$ 456, but on average you can expect to pay C$ 1,467.

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

    Currently priced at C$ 456, 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. Check Cheapflights for deals on United Airlines for as low as C$ 691. You may be able to fly from Buffalo to St. Louis for 11% less than the average price by searching for these airlines.

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

  • What does BUF to STL mean?

    BUF and STL are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. BUF to STL refers to a flight route from Buffalo Airport to Lambert-St Louis Airport.

  • Can I find deals for flights from Buffalo to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Buffalo to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Buffalo to St. Louis that include hotel bookings?

    Yes. In addition to deals on Buffalo to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

  • Can I find deals for business class flights from Buffalo to St. Louis?

    Yes. Cheapflights offers flight deals from Buffalo to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Buffalo to St. Louis that allow pets onboard?

    Many airlines do offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • How recently were the Buffalo to St. Louis flight deals updated?

    The Buffalo to St. Louis flight deals you see on this page were last updated on 28/3.

See more FAQs

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Alternative routes for Buffalo to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Buffalo to St. Louis

Discover the top 3 airlines that operate flights from Buffalo to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 586,909 searches. Data last updated 29 March 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 191AverageC$ 403FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapestC$ 462AverageC$ 679FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Endeavor AirlinesCheapestC$ 561AverageC$ 709FlexibilityNo cancel feeOn-timeN/A
Search Endeavor Airlines flights

Search flights from Buffalo to St. Louis by cabin class

Find flights from Buffalo to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Buffalo to St. Louis?

Cheapflights makes it easy to find Buffalo to St. Louis flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to St. Louis?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Buffalo to St. Louis.

Can Cheapflights find flights from Buffalo to St. Louis with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Buffalo to St. Louis, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Buffalo to St. Louis become cheaper?

Yes! Start tracking prices for Buffalo to St. Louis flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Can I find deals on last-minute flights from Buffalo to St. Louis?

Yes, you can often find last-minute deals on Buffalo to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

How can I compare prices from different travel booking sites for flights from Buffalo to St. Louis?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from Buffalo to St. Louis that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.

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