St. Louis

$266+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
BTV — STL
Jan 7 — Jan 141
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Burlington to Lambert-St Louis are usually found in May or September, booked 40 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap 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 December 8, 2025.

This United Airlines deal was found by Cheapflights users on 12/6. 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 12/64:25 pmBTV - STL
1 stop6h 15mUnited Airlines
Sun 12/710:00 amSTL - BTV
1 stop4h 39mUnited Airlines
Deal found 12/6$376
This United Airlines deal was found by Cheapflights users on 12/5. 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.
Thu 12/2511:22 amBTV - STL
1 stop7h 32mUnited Airlines
Tue 12/306:35 pmSTL - BTV
1 stop14h 47mUnited Airlines
Deal found 12/5$500
This Delta deal was found by Cheapflights users on 12/5. 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.
Mon 12/295:40 amBTV - STL
1 stop4h 44mDelta
Fri 1/25:59 pmSTL - BTV
1 stop4h 33mDelta
Deal found 12/5$634
This United Airlines deal was found by Cheapflights users on 12/7. 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.
Mon 12/225:20 amBTV - STL
1 stop5h 48mUnited Airlines
Fri 12/266:30 amSTL - BTV
1 stop7h 02mUnited Airlines
Deal found 12/7$692
This United Airlines deal was found by Cheapflights users on 12/6. 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.
Fri 12/266:00 amBTV - STL
1 stop7h 27mUnited Airlines
Mon 12/296:30 amSTL - BTV
1 stop7h 02mUnited Airlines
Deal found 12/6$714
This United Airlines deal was found by Cheapflights users on 12/8. 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.
Mon 12/225:20 amBTV - STL
1 stop5h 48mUnited Airlines
Sun 12/288:05 amSTL - BTV
1 stop12h 50mUnited Airlines
Deal found 12/8$783

Find 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 December 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$266
(Delta)

Popular in

November

Cheapest in

May

Average price

$502
Provider with most accurate pricing for Burlington-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Burlington-Lambert-St Louis flights.
From Burlington to Lambert-St Louis
Highest demand for flights based on searches. 19% potential increase in price ($106 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($30 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 December 8, 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

Tue 3/24

7:10 am-12:55 pm

1 stop6h 45m

Lambert-St Louis

Mon 3/30

5:59 pm-11:03 pm

1 stop4h 04m

$266

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Sat 1/24

11:13 am-5:25 pm

1 stop7h 12m

Lambert-St Louis

Tue 1/27

8:05 am-2:52 pm

1 stop5h 47m

$293

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Sat 12/20

10:53 am-10:33 pm

1 stop12h 40m

$283

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Tue 12/23

5:20 am-10:08 am

1 stop5h 48m

$325

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Thu 12/25

12:17 pm-4:26 pm

1 stop5h 09m

$348

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Sun 12/21

5:40 am-9:24 am

1 stop4h 44m

$348

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Sun 12/21

5:04 pm-10:44 pm

1 stop6h 40m

$348

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Thu 12/25

5:20 am-2:26 pm

2 stops10h 06m

$353

BurlingtonSt. Louis

BTV - STL

BTVSTL

Burlington

Fri 12/19

4:09 pm-8:51 pm

1 stop5h 42m

$392

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Compare providers for flights from Burlington to St. Louis

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 Burlington to St. Louis in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 Burlington-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Burlington-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Burlington-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Burlington-St. Louis flights, Cheapflights users trust eDreams the most. eDreams 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 Burlington-St. Louis 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 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 December 5, 2025.

Booking 40 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, May is the cheapest month in which you can book a flight from Burlington to St. Louis (average of $198). Flying from Burlington to St. Louis in August is currently the most expensive (average of $300). 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 December 8, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 25% on flights from Burlington to St. Louis by exploring options for tickets in the evening.

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 December 8, 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.

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 $266, Delta can have you in St. Louis from Burlington in 6h 45m. 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 $222, was found to be the cheapest airline from Burlington to St. Louis.Alternate airlines to your destination round-trip include United Airlines and Delta. Users have found that American Airlines is 49% cheaper than the other options available to this destination.

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

    $99 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $163 and $229, respectively.

  • 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, May is the cheapest month in which you can book a flight from Burlington to St. Louis (average of $198). Flying from Burlington to St. Louis in August is currently the most expensive (average of $300). 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
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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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 December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$222Average$383FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$240Average$438FlexibilityNo cancel feeOn-time69%
DeltaCheapest$247Average$371FlexibilityNo cancel feeOn-timeN/A

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