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$173+ Cheap flights from St. Louis to Buffalo (STL - BUF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BUF
Dec 8 — Dec 151
Sun 12/8
Sun 12/15
1 adult, Economy
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The best prices from Lambert-St Louis to Buffalo are usually found in February or October, booked 33 days in advance, depart on a Wednesday or Sunday and return on a Wednesday

Cheap flight deals from St. Louis to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Buffalo (BUF). 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 December 3, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

April

Cheapest in

February

Round-trip from

$271
(American Airlines)

One-way from

$173
(Delta)
Provider with most accurate pricing for Lambert-St Louis-Buffalo flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Buffalo flights.
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High demand for flights, 24% potential price rise
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Best time to find cheap flights, 15% potential price drop
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From Lambert-St Louis to Buffalo
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One-way flight from Lambert-St Louis to Buffalo
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Find flight deals from St. Louis to Buffalo

Cheapest flights from St. Louis to Buffalo
Explore the most affordable flight options available from St. Louis to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2024.

This CheapOair deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/125:02 pmSTL - BUF
1 stop24h 20mFrontier
Sun 12/153:27 pmBUF - STL
1 stop8h 57mFrontier
Deal found 12/2$267
This American Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/205:03 amSTL - BUF
1 stop4h 39mAmerican Airlines
Sat 1/47:24 pmBUF - STL
1 stop5h 37mAmerican Airlines
Deal found 12/3$376
This Southwest deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2011:35 amSTL - BUF
2 stops9h 00mSouthwest
Sat 1/47:15 pmBUF - STL
1 stop5h 00mSouthwest
Deal found 12/3$411
This United Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/175:28 pmSTL - BUF
1 stop4h 46mUnited Airlines
Sat 12/217:00 amBUF - STL
1 stop6h 26mUnited Airlines
Deal found 12/2$531
This Delta deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/276:29 amSTL - BUF
2 stops7h 14mDelta
Mon 12/308:25 amBUF - STL
2 stops9h 34mDelta
Deal found 12/2$1,603

Find flights from St. Louis to Buffalo within your budget

Customize your flight search to find flights from St. Louis to Buffalo 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 2,700,776 searches. Data last updated December 3, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Tue 1/7

6:00 am-11:57 am

1 stop4h 57m

Buffalo

Fri 1/10

7:54 am-2:07 pm

1 stop7h 13m

$271

St. LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Fri 12/13

5:02 pm-6:16 pm

1 stop24h 14m

Buffalo

Sun 12/15

10:30 am-11:24 pm

1 stop13h 54m

$276

St. LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Fri 1/17

8:00 am-1:19 pm

1 stop4h 19m

Buffalo

Sun 1/19

6:00 am-10:24 am

1 stop5h 24m

$321

St. LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Wed 5/21

8:25 am-10:05 pm

2 stops12h 40m

Buffalo

Sun 5/25

7:05 pm-10:15 pm

1 stop4h 10m

$351

St. LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Sun 3/23

5:45 pm-11:07 pm

1 stop4h 22m

Buffalo

Thu 3/27

10:45 am-6:06 pm

1 stop8h 21m

$382

St. LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Wed 3/12

6:45 am-11:41 am

1 stop3h 56m

$173

St. LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Thu 1/2

6:00 am-3:20 pm

2 stops8h 20m

$178

St. LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Thu 12/19

3:53 pm-7:32 pm

1 stop26h 39m

$195

St. LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Wed 3/12

1:05 pm-11:28 pm

2 stops9h 23m

$213

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Compare providers for flights from St. Louis to Buffalo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Buffalo in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Buffalo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Buffalo flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Buffalo from St. Louis 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 St. Louis to Buffalo

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

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Buffalo. Price data was last updated on November 22, 2024.

To ensure you get the cheapest price possible for a flight from St. Louis to Buffalo, you should look to book at least 33 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to Buffalo (average of $256). Flying from St. Louis to Buffalo in July is currently the most expensive (average of $322). 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 STL to BUF?

Find hourly flight availability from St. Louis to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 3, 2024.

It’s optimal to fly from St. Louis to Buffalo in the evening. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the morning.

Rainfall in Buffalo by month

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

In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.

Temperature in Buffalo by month

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

If weather is an important factor for your trip to Buffalo, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated December 3, 2024.
To help decide which airline to fly from St. Louis to Buffalo, see what other customers have to say about United Airlines and Frontier. 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
4,951 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Southwest
8.1
Very good
4,951 reviews
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Delta
8.0
Very good
8,698 reviews
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

United Airlines
7.4
Good
9,141 reviews
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Frontier
6.1
Okay
3,508 reviews
Southwest
8.1
Very good
4,951 reviews

Boarding

8.2

Comfort

8.1

Food

7.2

Crew

8.7

Overall

8.1

Entertainment

7.7

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Buffalo. 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 St. Louis to Buffalo round-trip?

    According to our current data, American Airlines ($271), Frontier ($276), and United Airlines ($321) offers the cheapest pricing from St. Louis to Buffalo. American Airlines is currently priced 25% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from St. Louis to Buffalo one-way?

    $173 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Southwest and Frontier, with prices starting from $178 and $195, respectively.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Buffalo.

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

    Yes. Cheapflights offers flight deals from St. Louis to Buffalo 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 St. Louis to Buffalo?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Buffalo (average of $256). Flying from St. Louis to Buffalo in July is currently the most expensive (average of $322). 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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Top 5 airlines flying from St. Louis to Buffalo

Discover the top 5 airlines that operate flights from St. Louis to Buffalo. 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 2,700,776 searches. Data last updated December 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$233FlexibilityNo cancel feeOn-time62%
DeltaCheapest$256Average$358FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$261Average$374FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$305Average$390FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$306Average$366FlexibilityNo cancel feeOn-time63%
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