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

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.
STL — BTV
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Burlington are usually found in September or January, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from St. Louis to Burlington

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Burlington (BTV). 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 30, 2025.

Round-trip from

$223
(American Airlines)

One-way from

$119
(Delta)

Popular in

April

Cheapest in

September

Average price

$458
From Lambert-St Louis to Burlington
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One-way flight from Lambert-St Louis to Burlington
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Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 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 St. Louis to Burlington

Cheapest flights from St. Louis to Burlington
Explore the most affordable flight options available from St. Louis to Burlington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 9/306:00 amSTL - BTV
1 stop7h 02mAmerican Airlines
Tue 10/76:30 pmBTV - STL
1 stop5h 35mAmerican Airlines
Deal found 7/30$223
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:25 pmSTL - BTV
1 stop4h 34mDelta
Sat 9/66:14 amBTV - STL
1 stop7h 17mDelta
Deal found 7/29$237
This United Airlines deal was found by Cheapflights users on 7/30. 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 10/175:34 pmSTL - BTV
1 stop4h 56mUnited Airlines
Tue 10/215:45 amBTV - STL
2 stops10h 59mUnited Airlines
Deal found 7/30$316

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Burlington 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 30, 2025.
Use the filters below to find and compare flights from St. Louis to Burlington that are best for you.

Fly from

St. Louis

Fly to

Burlington

Route

Depart

Return

Price

St. LouisBurlington

STL - BTV

STLBTV

Lambert-St Louis

Tue 9/30

6:00 am-2:02 pm

1 stop7h 02m

Burlington

Tue 10/7

6:30 pm-11:05 pm

1 stop5h 35m

$223

St. LouisBurlington

STL - BTV

STLBTV

Lambert-St Louis

Sat 8/30

5:25 pm-10:59 pm

1 stop4h 34m

Burlington

Sat 9/6

6:14 am-12:31 pm

1 stop7h 17m

$237

St. LouisBurlington

STL - BTV

STLBTV

Lambert-St Louis

Fri 10/17

5:34 pm-11:30 pm

1 stop4h 56m

Burlington

Tue 10/21

5:45 am-3:44 pm

2 stops10h 59m

$316

St. LouisBurlington

STL - BTV

STLBTV

Lambert-St Louis

Wed 9/17

4:10 pm-11:15 pm

1 stop6h 05m

$119

St. LouisBurlington

STL - BTV

STLBTV

Lambert-St Louis

Fri 10/17

2:12 pm-12:10 pm

1 stop20h 58m

$127

St. LouisBurlington

STL - BTV

STLBTV

Lambert-St Louis

Fri 10/17

12:25 pm-11:30 pm

2 stops10h 05m

$199

St. LouisBurlington

STL - BTV

STLBTV

Lambert-St Louis

Fri 10/17

9:50 am-10:13 am

3 stops23h 23m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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

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

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Burlington. Price data was last updated on July 25, 2025.

The price you pay for your flight from St. Louis to Burlington may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from St. Louis to Burlington (average of $327). Flying from St. Louis to Burlington in December is currently the most expensive (average of $441). 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.

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

Reviews of airlines servicing Burlington

Get insights into the airlines that provide service to Burlington. 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 Burlington. Reviews last updated July 30, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from St. Louis to Burlington to help guide your decision. 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
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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!
Frontier
5.9
Fair
3,237 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

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 St. Louis to Burlington. 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 Burlington round-trip?

    According to our current data, American Airlines ($223), Delta ($237), and United Airlines ($316) offers the cheapest pricing from St. Louis to Burlington. Users have found that American Airlines is 42% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from St. Louis to Burlington are Delta ($119), Frontier ($127), and United Airlines ($199).

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Burlington (average of $327). Flying from St. Louis to Burlington in December is currently the most expensive (average of $441). 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 Burlington?

Book flights to Burlington if you plan to visit one of these locations
South Burlington
Shelburne

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Top 3 airlines flying from St. Louis to Burlington

Discover the top 3 airlines that operate flights from St. Louis to Burlington. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$165Average$379FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$233Average$382FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$382FlexibilityNo cancel feeOn-time69%

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