HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from St. Louis to Buffalo (STL - BUF) from $120

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 6/14. 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.
STL — BUF
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

The best prices from Lambert-St Louis to Buffalo are usually found in September or February, booked 63 days in advance, depart on a Wednesday or Sunday and return on a Sunday

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 May 30, 2024.

Popular in

April

Cheapest in

September

Round-trip from

$256

One-way from

$120
High demand for flights, 20% potential price rise
Search Deals
Best time to find cheap flights, 18% potential price drop
Search Deals
From Lambert-St Louis to Buffalo
Search Deals
One-way flight from Lambert-St Louis to Buffalo
Search Deals

What is the cheapest day to fly round-trip from St. Louis to Buffalo?

Flights from St. Louis to Buffalo are found to be more expensive on Monday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Buffalo.

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

Travelers have found it’s best to book a flight 54 days in advance to save up to 64% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 54 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Buffalo 1-2 weeks in advance for as low as $409, or $409 for flights within the next 24 hours.

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

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, September can be a great choice for travel to Buffalo. Flights to Buffalo from St. Louis in September are about $381 on average during September, but can be found for as low as $169.

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

It’s optimal to fly from St. Louis to Buffalo at noon. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the morning.

Cheap Frontier flights from St. Louis to Buffalo

Explore cheap flight options specifically provided by Frontier for the route between St. Louis and Buffalo. 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 2,784,634 searches. Data last updated May 30, 2024.
Find some of the cheapest Frontier flights traveling from St. Louis to Buffalo. Come back soon if you're not finding the exact deal you're looking for.
Mon 6/1010:36 pmSTL - BUF
1 stop9h 00mFrontier
Sat 6/229:07 pmBUF - STL
1 stop11h 00mFrontier
Deal found 5/29$138
Tue 6/113:47 pmSTL - BUF
1 stop25h 05mFrontier
Wed 6/196:52 pmBUF - STL
1 stop20h 40mFrontier
Deal found 5/29$148
Mon 6/1010:36 pmSTL - BUF
1 stop9h 00mFrontier
Wed 6/196:52 pmBUF - STL
1 stop20h 40mFrontier
Deal found 5/29$160
Mon 6/1010:36 pmSTL - BUF
1 stop9h 00mFrontier
Thu 6/207:55 pmBUF - STL
1 stop12h 12mFrontier
Deal found 5/29$163
Tue 6/113:47 pmSTL - BUF
1 stop25h 05mFrontier
Thu 6/207:55 pmBUF - STL
1 stop12h 12mFrontier
Deal found 5/29$173
Tue 6/113:47 pmSTL - BUF
1 stop25h 05mFrontier
Fri 6/216:15 pmBUF - STL
1 stop16h 14mFrontier
Deal found 5/29$177
Tue 6/113:47 pmSTL - BUF
1 stop25h 05mFrontier
Tue 6/185:01 pmBUF - STL
1 stop15h 24mFrontier
Deal found 5/30$187
Fri 6/75:36 pmSTL - BUF
1 stop27h 16mFrontier
Tue 6/115:01 pmBUF - STL
1 stop15h 24mFrontier
Deal found 5/29$213
Sat 7/67:33 pmSTL - BUF
1 stop14h 07mFrontier
Sat 7/1312:36 pmBUF - STL
1 stop21h 00mFrontier
Deal found 5/28$216

Cheap Delta flights from St. Louis to Buffalo

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Buffalo. 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 2,784,634 searches. Data last updated May 30, 2024.
Some of the lowest-priced Delta flights we've found at this time heading from St. Louis to Buffalo. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Mon 7/16:30 amSTL - BUF
1 stop3h 46mDelta
Wed 7/37:14 pmBUF - STL
1 stop5h 15mDelta
Deal found 5/28$236
Wed 6/1211:25 amSTL - BUF
1 stop4h 34mDelta
Tue 6/187:11 pmBUF - STL
1 stop5h 32mDelta
Deal found 5/29$252
Tue 6/1111:25 amSTL - BUF
1 stop4h 34mDelta
Wed 6/196:15 amBUF - STL
1 stop4h 00mDelta
Deal found 5/29$276
Thu 6/136:30 amSTL - BUF
1 stop3h 54mDelta
Sun 6/166:15 amBUF - STL
1 stop4h 00mDelta
Deal found 5/30$277
Mon 6/105:25 pmSTL - BUF
1 stop5h 34mDelta
Tue 6/187:11 pmBUF - STL
1 stop5h 32mDelta
Deal found 5/29$280
Sat 7/611:25 amSTL - BUF
1 stop4h 34mDelta
Tue 7/162:40 pmBUF - STL
1 stop7h 20mDelta
Deal found 5/28$286
Wed 7/310:05 amSTL - BUF
1 stop7h 13mDelta
Sat 7/66:15 amBUF - STL
1 stop4h 00mDelta
Deal found 5/30$291
Thu 6/136:30 amSTL - BUF
1 stop3h 54mDelta
Fri 6/216:15 amBUF - STL
1 stop4h 00mDelta
Deal found 5/29$299
Thu 6/136:30 amSTL - BUF
1 stop3h 54mDelta
Sat 6/226:15 amBUF - STL
1 stop4h 00mDelta
Deal found 5/29$300

Cheap St. Louis to Buffalo flights in May & June 2024

Find cheap flight options from St. Louis to Buffalo specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
Check out some of the best flight deals from St. Louis to Buffalo in 2024. More deals are always being added, so be sure to check back regularly.
Mon 6/1010:36 pmSTL - BUF
1 stop9h 00mFrontier
Sat 6/229:07 pmBUF - STL
1 stop11h 00mFrontier
Deal found 5/29$138
Tue 6/113:47 pmSTL - BUF
1 stop25h 05mFrontier
Wed 6/196:52 pmBUF - STL
1 stop20h 40mFrontier
Deal found 5/29$148
Mon 6/1010:36 pmSTL - BUF
1 stop9h 00mFrontier
Wed 6/196:52 pmBUF - STL
1 stop20h 40mFrontier
Deal found 5/29$160
Mon 6/1010:36 pmSTL - BUF
1 stop9h 00mFrontier
Thu 6/207:55 pmBUF - STL
1 stop12h 12mFrontier
Deal found 5/29$163
Tue 6/113:47 pmSTL - BUF
1 stop25h 05mFrontier
Thu 6/207:55 pmBUF - STL
1 stop12h 12mFrontier
Deal found 5/29$173
Tue 6/113:47 pmSTL - BUF
1 stop25h 05mFrontier
Fri 6/216:15 pmBUF - STL
1 stop16h 14mFrontier
Deal found 5/29$177
Tue 6/113:47 pmSTL - BUF
1 stop25h 05mFrontier
Tue 6/185:01 pmBUF - STL
1 stop15h 24mFrontier
Deal found 5/30$187
Fri 6/75:36 pmSTL - BUF
1 stop27h 16mFrontier
Tue 6/115:01 pmBUF - STL
1 stop15h 24mFrontier
Deal found 5/29$213
Mon 6/1710:36 pmSTL - BUF
1 stop9h 00mFrontier
Fri 6/216:15 pmBUF - STL
1 stop16h 14mFrontier
Deal found 5/29$218

St. Louis to Buffalo 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Buffalo in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Check out some of the best flight deals from St. Louis to Buffalo in 2024. More deals are always being added, so be sure to check back regularly.
Mon 6/1010:36 pmSTL - BUF
1 stop9h 00mFrontier
Sat 6/229:07 pmBUF - STL
1 stop11h 00mFrontier
Deal found 5/29$138
Tue 6/113:47 pmSTL - BUF
1 stop25h 05mFrontier
Wed 6/196:52 pmBUF - STL
1 stop20h 40mFrontier
Deal found 5/29$148
Mon 6/1010:36 pmSTL - BUF
1 stop9h 00mFrontier
Wed 6/196:52 pmBUF - STL
1 stop20h 40mFrontier
Deal found 5/29$160
Mon 6/1010:36 pmSTL - BUF
1 stop9h 00mFrontier
Thu 6/207:55 pmBUF - STL
1 stop12h 12mFrontier
Deal found 5/29$163
Tue 6/113:47 pmSTL - BUF
1 stop25h 05mFrontier
Thu 6/207:55 pmBUF - STL
1 stop12h 12mFrontier
Deal found 5/29$173
Tue 6/113:47 pmSTL - BUF
1 stop25h 05mFrontier
Fri 6/216:15 pmBUF - STL
1 stop16h 14mFrontier
Deal found 5/29$177
Tue 6/113:47 pmSTL - BUF
1 stop25h 05mFrontier
Tue 6/185:01 pmBUF - STL
1 stop15h 24mFrontier
Deal found 5/30$187
Fri 6/75:36 pmSTL - BUF
1 stop27h 16mFrontier
Tue 6/115:01 pmBUF - STL
1 stop15h 24mFrontier
Deal found 5/29$213
Sat 7/67:33 pmSTL - BUF
1 stop14h 07mFrontier
Sat 7/1312:36 pmBUF - STL
1 stop21h 00mFrontier
Deal found 5/28$216

St. Louis to Buffalo flights leaving soon

Find last-minute flight options from St. Louis to Buffalo for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Check out these flights departing soon from St. Louis to Buffalo. To prevent any unwanted surprises, users should verify their flight info before booking.
Fri 6/75:36 pmSTL - BUF
1 stop27h 16mFrontier
Tue 6/115:01 pmBUF - STL
1 stop15h 24mFrontier
Deal found 5/29$213
Sat 6/85:15 amSTL - BUF
1 stop6h 50mAmerican Airlines
Mon 6/106:46 pmBUF - STL
1 stop6h 17mAmerican Airlines
Deal found 5/29$328
Tue 6/44:20 pmSTL - BUF
1 stop7h 12mAmerican Airlines
Wed 6/56:46 pmBUF - STL
1 stop6h 17mAmerican Airlines
Deal found 5/29$383
Fri 6/76:09 amSTL - BUF
2 stops10h 28mAmerican Airlines
Tue 6/111:55 pmBUF - STL
1 stop6h 34mAmerican Airlines
Deal found 5/29$574
Tue 6/49:45 amSTL - BUF
1 stop6h 29mAmerican Airlines
Wed 6/56:33 amBUF - STL
2 stops11h 15mAmerican Airlines
Deal found 5/29$604
Sat 6/85:31 pmSTL - BUF
2 stops15h 10mUnited Airlines
Mon 6/1010:05 amBUF - STL
1 stop6h 36mUnited Airlines
Deal found 5/29$642
Tue 6/42:18 pmSTL - BUF
2 stops7h 57mDelta
Wed 6/56:30 amBUF - STL
2 stops7h 38mDelta
Deal found 5/29$896
Fri 6/73:23 pmSTL - BUF
2 stops7h 40mDelta
Tue 6/116:30 amBUF - STL
2 stops7h 56mDelta
Deal found 5/29$1,141
Sat 6/810:15 amSTL - BUF
2 stops11h 51mDelta
Mon 6/105:49 pmBUF - STL
2 stops6h 54mDelta
Deal found 5/29$1,620

One-way flights to Buffalo from St. Louis

Search for one-way flight options from St. Louis to Buffalo. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Take a look at some of the one-way flights we've detected from St. Louis to Buffalo. Those needing a return flight from St. Louis to Buffalo can use the search form above.
Fri 6/145:36 pmSTL - BUF
1 stop27h 16mFrontier
Deal found 5/30$120
Tue 7/95:46 pmSTL - BUF
1 stop5h 15mAmerican Airlines
Deal found 5/29$122
Sun 6/305:45 pmSTL - BUF
1 stop16h 10mSun Country Air
Deal found 5/29$153
Sat 6/296:09 amSTL - BUF
1 stop4h 19mAmerican Airlines
Deal found 5/30$163
Sun 6/95:15 amSTL - BUF
1 stop6h 50mAmerican Airlines
Deal found 5/29$177
Wed 6/55:31 pmSTL - BUF
1 stop5h 28mUnited Airlines
Deal found 5/29$188
Sun 6/3012:00 pmSTL - BUF
3 stops21h 55mMultiple Airlines
Deal found 5/29$217
Fri 6/146:09 amSTL - BUF
2 stops10h 28mAmerican Airlines
Deal found 5/30$288
Sat 7/276:30 amSTL - BUF
2 stops16h 07mUnited Airlines
Deal found 5/30$296

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 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$138 - $386

Route

Depart

Return

Price

Lambert-St LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Mon 6/10

1 stop9h 00m

Buffalo

Sat 6/22

1 stop11h 00m

$138

Lambert-St LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Tue 6/11

1 stop25h 05m

Buffalo

Wed 6/19

1 stop20h 40m

$148

Lambert-St LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Mon 6/10

1 stop9h 00m

Buffalo

Wed 6/19

1 stop20h 40m

$160

Lambert-St LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Mon 6/10

1 stop9h 00m

Buffalo

Thu 6/20

1 stop12h 12m

$163

Lambert-St LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Tue 6/11

1 stop25h 05m

Buffalo

Thu 6/20

1 stop12h 12m

$173

Lambert-St LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Mon 7/1

1 stop3h 46m

Buffalo

Wed 7/3

1 stop5h 15m

$236

Lambert-St LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Tue 7/9

1 stop5h 15m

Buffalo

Tue 7/16

1 stop5h 41m

$243

Lambert-St LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Wed 7/3

1 stop9h 50m

Buffalo

Sun 7/7

1 stop5h 22m

$323

Lambert-St LouisBuffalo

STL - BUF

STLBUF

Lambert-St Louis

Sun 6/16

1 stop5h 51m

Buffalo

Tue 6/18

1 stop6h 36m

$386

Flights are sorted by cheapest first

Deals found on 5/29

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 May 24, 2024.
To ensure you get the cheapest price possible for a flight from St. Louis to Buffalo, you should look to book at least 61 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.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Buffalo. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Buffalo flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Buffalo by month

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

BUF

Temperature

24.8 - 71.6 °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 May 30, 2024.
To help decide which airline to fly from St. Louis to Buffalo, see what other customers have to say about Frontier, Delta and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,457 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

Delta
8.0
Very good
10,457 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

United Airlines
7.4
Good
10,777 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

American Airlines
7.3
Good
14,284 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

Aer Lingus
7.2
Good
1,306 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

Sun Country Air
7.2
Good
596 reviews
Delta
8.0
Very good
10,457 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.4

Overall

8.0

Crew

8.6

Comfort

7.9

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

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.

  • Can I find flights from St. Louis to Buffalo for under $200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Buffalo for under $200. The cheapest flight booked recently is on Frontier for just $138, but on average you can expect to pay $207.

  • Are there last-minute flights available from St. Louis to Buffalo for under $300?

    There are currently 9+ open flights from St. Louis to Buffalo within the next 7 days for less than $300.

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

    According to our current data, Frontier ($138), Delta ($236), and American Airlines ($243) offers the cheapest pricing from St. Louis to Buffalo. Frontier is currently priced 63% below the average price you’ll pay for this route.

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

    $120 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Sun Country Air, with prices starting from $122 and $153, respectively.

  • What does STL to BUF mean?

    STL and BUF 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. STL to BUF refers to a flight route from Lambert-St Louis Airport to Buffalo Airport.

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

    The amount of baggage you can bring on your St. Louis to Buffalo flight 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 St. Louis to Buffalo with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Buffalo 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 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.

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

    Many airlines flying from St. Louis to Buffalo 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.

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

    Yes, you can often find last-minute deals on St. Louis to Buffalo 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 recently were the St. Louis to Buffalo flight deals updated?

    The St. Louis to Buffalo flight deals you see on this page were last updated on 5/30.

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

    Consider American Airlines, Delta or Frontier when booking your flight. These represent the most popular airlines when flying from St. Louis to Buffalo.

  • 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 $359). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

St. Louis to LaGuardia flights
Kansas City to Newark flights
Kansas City to LaGuardia flights
Kansas City to John F Kennedy Intl flights
St. Louis to Newark flights
St. Louis to John F Kennedy Intl flights
Springfield to LaGuardia flights
Springfield to John F Kennedy Intl flights
Springfield to Newark flights
Kansas City to Syracuse flights
Kansas City to Buffalo flights
Kansas City to White Plains flights
St. Louis to White Plains flights
Kansas City to Rochester flights
St. Louis to Syracuse flights
St. Louis to Rochester flights
St. Louis to Albany flights
Kansas City to Binghamton flights
Kansas City to Stewart flights
Springfield to White Plains flights
St. Louis to Elmira flights
Kansas City to Albany flights
Springfield to Albany flights
Kansas City to Watertown flights
Columbia to John F Kennedy Intl flights
St. Louis to Ithaca flights
St. Louis to Islip flights
Columbia to LaGuardia flights
Joplin to Newark flights
Springfield to Buffalo flights
Columbia to Newark flights
Joplin to LaGuardia flights
St. Louis to Binghamton flights
Columbia to Albany flights
Columbia to Buffalo flights
St. Louis to Watertown flights
St. Louis to Stewart flights
Kansas City to Ithaca flights
Springfield to Syracuse flights
Joplin to John F Kennedy Intl flights
Kansas City to Islip flights
Kansas City to Elmira flights
Springfield to Stewart flights
Columbia to Rochester flights
Columbia to Syracuse flights
Springfield to Islip flights

Top 4 airlines flying from St. Louis to Buffalo

Discover the top 4 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 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$247FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapest$264Average$365FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$284Average$375FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$324Average$491FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Chicago to London flights
New Orleans to Las Vegas flights
Atlanta to Seattle flights
Hartford to Orlando flights
New York to San Diego flights
Minneapolis to Seattle flights
Charlotte to Denver flights
Los Angeles to Orlando flights
Newark Airport to Tampa flights
Philadelphia to Dallas flights
New York to Greece flights
St. Louis to Bucharest flights

Search flights from St. Louis to Buffalo by cabin class

Find flights from St. Louis to Buffalo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

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 St. Louis to Buffalo?

When you search for this flight from St. Louis to Buffalo, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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 St. Louis to Buffalo.

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

Need flexible booking options for your flight to Buffalo from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from St. Louis to Buffalo on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines