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St. Louis

$223+ Cheap flights from Burlington to St. Louis (BTV - STL)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
BTV — STL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Burlington to Lambert-St Louis are usually found in September or May, booked 28 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Burlington to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Burlington (BTV) 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 September 11, 2025.

Round-trip from

$223
(United Airlines)

Popular in

August

Cheapest in

September

Average price

$268
From Burlington to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Burlington to St. Louis

Cheapest flights from Burlington to St. Louis
Explore the most affordable flight options available from Burlington to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/155:51 pmBTV - STL
1 stop7h 06mUnited Airlines
Sat 10/183:23 pmSTL - BTV
1 stop5h 19mUnited Airlines
Deal found 9/10$223
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 11/154:46 pmBTV - STL
1 stop6h 59mUnited Airlines
Tue 11/186:30 amSTL - BTV
2 stops6h 36mUnited Airlines
Deal found 9/11$228
This Delta deal was found by Cheapflights users on 9/11. 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.
Sat 11/85:15 pmBTV - STL
1 stop4h 18mDelta
Tue 11/1110:45 amSTL - BTV
2 stops12h 12mDelta
Deal found 9/11$242
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 9/255:46 amBTV - STL
1 stop5h 35mAmerican Airlines
Sun 9/286:00 pmSTL - BTV
1 stop4h 44mAmerican Airlines
Deal found 9/11$289
This Delta deal was found by Cheapflights users on 9/9. 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.
Wed 9/176:00 amBTV - STL
1 stop7h 19mDelta
Wed 9/246:00 pmSTL - BTV
1 stop4h 00mDelta
Deal found 9/9$291
This Delta deal was found by Cheapflights users on 9/9. 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.
Tue 9/162:26 pmBTV - STL
1 stop6h 39mDelta
Wed 9/2411:04 amSTL - BTV
2 stops10h 20mDelta
Deal found 9/9$296
This Delta deal was found by Cheapflights users on 9/10. 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.
Wed 9/176:03 amBTV - STL
1 stop7h 18mDelta
Sat 9/2010:40 amSTL - BTV
2 stops11h 35mDelta
Deal found 9/10$298
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 10/126:00 amBTV - STL
1 stop5h 49mUnited Airlines
Sat 10/183:23 pmSTL - BTV
1 stop5h 19mUnited Airlines
Deal found 9/10$311

Cheapflights Fare Finder

 
Customize your flight search to find flights from Burlington 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Burlington to St. Louis that are best for you.

Fly from

Burlington

Fly to

St. Louis

Route

Depart

Return

Price

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Sat 11/15

4:46 pm-10:45 pm

1 stop6h 59m

Lambert-St Louis

Tue 11/18

3:14 pm-9:36 pm

1 stop5h 22m

$223

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Wed 10/15

5:51 pm-11:57 pm

1 stop7h 06m

Lambert-St Louis

Sat 10/18

3:23 pm-9:42 pm

1 stop5h 19m

$223

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Wed 11/12

6:00 am-12:40 pm

1 stop7h 40m

Lambert-St Louis

Sat 11/15

10:45 am-10:40 pm

2 stops10h 55m

$242

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Sat 11/8

7:14 am-4:10 pm

2 stops9h 56m

Lambert-St Louis

Tue 11/11

10:45 am-11:57 pm

2 stops12h 12m

$247

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Fri 1/16

5:37 am-9:54 am

1 stop5h 17m

Lambert-St Louis

Mon 1/19

6:09 am-1:09 pm

1 stop6h 00m

$259

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Fri 1/16

5:00 pm-11:40 pm

2 stops7h 40m

Lambert-St Louis

Mon 1/19

5:45 pm-11:07 pm

1 stop4h 22m

$264

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Sun 10/12

6:00 am-10:49 am

1 stop5h 49m

Lambert-St Louis

Sat 10/18

3:23 pm-9:42 pm

1 stop5h 19m

$311

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Thu 10/9

6:00 am-12:28 pm

1 stop7h 28m

Lambert-St Louis

Sun 10/12

11:10 am-5:50 pm

1 stop5h 40m

$329

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Wed 9/17

2:42 pm-9:10 pm

1 stop7h 28m

$305

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Wed 9/17

6:00 am-4:45 pm

2 stops11h 45m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 17 results
1
2

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

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

Cheapflights Insights

Everything you need to know about your flight from Burlington to St. Louis

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

Use this chart to determine the optimal time to book a round-trip flight from Burlington to St. Louis. Price data was last updated on August 29, 2025.

Booking 28 days in advance of your planned departure date is, on average, the best time to get cheap flights from Burlington to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Burlington to St. Louis (average of $311). Flying from Burlington to St. Louis in March is currently the most expensive (average of $356). 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 BTV to STL?

Find hourly flight availability from Burlington 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 September 11, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 16% on flights from Burlington to St. Louis by exploring options for tickets at noon.

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 September 11, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Burlington to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Burlington to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Burlington to St. Louis?

    For as low as $223, United Airlines can have you in St. Louis from Burlington in 6h 59m. Airlines will cover a distance of 970 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    American Airlines, at $228, was found to be the cheapest airline from Burlington to St. Louis.Alternate airlines to your destination round-trip include Delta and United Airlines. Users have found that American Airlines is 43% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Burlington to St. Louis (average of $311). Flying from Burlington to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Burlington to St. Louis

Discover the top 3 airlines that operate flights from Burlington 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$387FlexibilityNo cancel feeOn-time71%
DeltaCheapest$247Average$361FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$255Average$444FlexibilityNo cancel feeOn-time69%

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