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$119+ Cheap flights from Burlington to St. Louis (BTV - STL)

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BTV — STL
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Burlington to Lambert-St Louis are usually found in May or September, booked 38 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 July 29, 2025.

Round-trip from

$223
(American Airlines)

One-way from

$119
(Delta)

Popular in

November

Cheapest in

May

Average price

$379
From Burlington to Lambert-St Louis
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One-way flight from Burlington to Lambert-St Louis
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 9/612:22 pmBTV - STL
1 stop4h 53mAmerican Airlines
Tue 9/910:54 amSTL - BTV
1 stop5h 01mAmerican Airlines
Deal found 7/26$223
This Delta deal was found by Cheapflights users on 7/27. 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 8/237:20 amBTV - STL
2 stops9h 46mDelta
Tue 8/263:42 pmSTL - BTV
1 stop6h 00mDelta
Deal found 7/27$253
This United Airlines deal was found by Cheapflights users on 7/29. 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 7/304:47 pmBTV - STL
1 stop6h 58mUnited Airlines
Sat 8/25:20 pmSTL - BTV
1 stop4h 52mUnited Airlines
Deal found 7/29$285

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 July 29, 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 9/6

12:22 pm-4:15 pm

1 stop4h 53m

Lambert-St Louis

Tue 9/9

10:54 am-4:55 pm

1 stop5h 01m

$223

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Sat 8/23

7:20 am-4:06 pm

2 stops9h 46m

Lambert-St Louis

Tue 8/26

3:42 pm-10:42 pm

1 stop6h 00m

$253

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Thu 10/9

6:00 am-10:49 am

1 stop5h 49m

Lambert-St Louis

Mon 10/13

5:24 pm-11:34 pm

1 stop5h 10m

$399

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Sun 8/3

12:48 pm-9:52 am

3 stops22h 04m

Lambert-St Louis

Sun 8/10

10:47 am-5:35 pm

3 stops29h 48m

$796

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Wed 9/17

6:00 am-12:19 pm

1 stop7h 19m

$119

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Fri 9/12

6:00 am-2:19 pm

2 stops9h 19m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 July 25, 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 July 29, 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.

How much does it cost to fly round-trip from Burlington to St. Louis?

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 July 29, 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
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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
7,977 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

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.

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

    American Airlines, at $223, 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 38% 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
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Chesterfield
Festus
Farmington

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$366FlexibilityNo cancel feeOn-time71%
DeltaCheapest$247Average$342FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$255Average$438FlexibilityNo cancel feeOn-time69%

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