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Cheap flights from Buffalo to St. Louis from C$ 289

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 14/12. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — STL
5 Nov — 12 Nov1
1 adult

The best prices from Buffalo to Lambert-St Louis are usually found in August or September, booked 33 days in advance, depart on a Wednesday or Monday and return on a Monday

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 527,020 searches. Data last updated 31 October 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BuffaloSt. Louis

BUF - STL

BUFSTL

Buffalo

Sun 16/3

7:00 a.m.-12:12 p.m.

1 stop6h 12m

C$ 289

BuffaloSt. Louis

BUF - STL

BUFSTL

Buffalo

Sun 17/11

6:00 a.m.-12:40 p.m.

2 stops7h 40m

C$ 303

BuffaloSt. Louis

BUF - STL

BUFSTL

Buffalo

Sat 14/12

10:59 a.m.-10:46 p.m.

1 stop12h 47m

Lambert-St Louis

Mon 16/12

9:15 a.m.-6:55 p.m.

1 stop8h 40m

C$ 289

BuffaloSt. Louis

BUF - STL

BUFSTL

Buffalo

Tue 24/12

4:30 p.m.-8:45 p.m.

1 stop5h 15m

Lambert-St Louis

Mon 30/12

5:10 a.m.-11:10 a.m.

1 stop5h 00m

C$ 440

BuffaloSt. Louis

BUF - STL

BUFSTL

Buffalo

Tue 19/11

6:00 a.m.-11:10 a.m.

1 stop6h 10m

Lambert-St Louis

Thu 21/11

10:10 a.m.-4:51 p.m.

1 stop5h 41m

C$ 537

BuffaloSt. Louis

BUF - STL

BUFSTL

Buffalo

Thu 21/11

10:02 a.m.-5:15 p.m.

2 stops8h 13m

Lambert-St Louis

Mon 2/12

11:25 a.m.-11:29 p.m.

2 stops11h 04m

C$ 2,133

Flights are sorted by cheapest first

Deals found on 31/10

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 31 October 2024.

Round-trip from

C$ 289

Popular in

June

Cheapest in

August
Frontier
  • Frontier
  • 14/12-16/12
  • 2 total stops
  • 21h 27m total
  • Buffalo to St. Louis
Search Deals
High demand for flights, 13% potential price rise
Search Deals
Best time to find cheap flights, 23% potential price drop
Search Deals

Find flight deals from Buffalo to St. Louis

Cheapest flights from Buffalo to St. Louis
Explore the most affordable flight options available from Buffalo to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2024.

Sat 14/1210:59 a.m.BUF - STL
1 stop12h 47mFrontier
Mon 16/129:15 a.m.STL - BUF
1 stop8h 40mFrontier
Deal found 31/10C$ 289
Tue 24/124:30 p.m.BUF - STL
1 stop5h 15mSouthwest
Mon 30/125:10 a.m.STL - BUF
1 stop5h 00mSouthwest
Deal found 30/10C$ 440
Tue 19/116:00 a.m.BUF - STL
1 stop6h 10mUnited Airlines
Thu 21/1110:10 a.m.STL - BUF
1 stop5h 41mUnited Airlines
Deal found 30/10C$ 537
Sat 9/1112:01 p.m.BUF - STL
1 stop5h 38mDelta
Sun 10/115:16 p.m.STL - BUF
1 stop5h 38mDelta
Deal found 31/10C$ 704

Best time to book a flight from Buffalo to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Buffalo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Buffalo to St. Louis

Get recent, data-driven insights about flights from Buffalo to St. Louis including ideal travel times, pricing trends, and more.

How far ahead should I 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 25 October 2024.

The best time to book flights from Buffalo to St. Louis is 33 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.

Find deals

What is the cheapest month to book a flight from Buffalo to St. Louis?

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 September is currently the most expensive (average of C$ 491). 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.

What is the cheapest time of day to fly from BUF to STL?

Find hourly flight availability from Buffalo to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 October 2024.

It’s optimal to fly from Buffalo to St. Louis in the afternoon. By choosing this option you can save up to 46% on the cost of your flight, compared to a flight at noon.

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 mm per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 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 31 October 2024.
To help decide which airline to fly from Buffalo to St. Louis, see what other customers have to say about Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,116 reviews
Check prices

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,116 reviews
Southwest
8.1
Very good
5,116 reviews
Check prices

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,835 reviews
Southwest
8.1
Very good
5,116 reviews
Check prices

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,240 reviews
Southwest
8.1
Very good
5,116 reviews
Check prices

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Frontier
6.1
Okay
3,580 reviews
Southwest
8.1
Very good
5,116 reviews
Check prices

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Boarding

8.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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.

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

    Currently priced at C$ 289, Frontier will fly you from Buffalo to St. Louis and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and United Airlines - these airlines can fly you to your destination from C$ 440 and C$ 537, respectively. You may be able to fly from Buffalo to St. Louis for 41% less than the average price by searching for these 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 find direct flights from Buffalo to St. Louis.

  • 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.

  • What is the cheapest month to book a flight from Buffalo to St. Louis?

    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 September is currently the most expensive (average of C$ 491). 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.

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.
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Top airline flying from Buffalo to St. Louis

Discover the top airline 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 527,020 searches. Data last updated 31 October 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 508AverageC$ 696FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

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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.

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