$159 Cheap Flights from St. Louis (STL) to Burlington (BTV)

View $159 flight on Sun, Jan 18, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Burlington Intl. Airport (BTV)

Cheap Flights from St. Louis to Burlington (STL-BTV)

Prices were available within the past 7 days and start at $159 for one-way flights and $223 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Apr 8 - Wed, Apr 15
STL
St. Louis
BTV
Burlington
$223 Roundtrip, found 15 hours ago
$223
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Wed, Apr 8 from St. Louis to Burlington, returning Wed, Apr 15, priced at $223 found 15 hours ago
Delta
Tue, May 12 - Tue, May 19
STL
St. Louis
BTV
Burlington
$223 Roundtrip, found 13 hours ago
$223
Roundtrip
found 13 hours ago
Select Delta flight, departing Tue, May 12 from St. Louis to Burlington, returning Tue, May 19, priced at $223 found 13 hours ago
United
Wed, Apr 15 - Tue, Apr 21
STL
St. Louis
BTV
Burlington
$223 Roundtrip, found 5 days ago
$223
Roundtrip
found 5 days ago
Select United flight, departing Wed, Apr 15 from St. Louis to Burlington, returning Tue, Apr 21, priced at $223 found 5 days ago
Delta
Sat, Jan 17 - Wed, Jan 21
STL
St. Louis
BTV
Burlington
$228 Roundtrip, found 23 hours ago
$228
Roundtrip
found 23 hours ago
Select Delta flight, departing Sat, Jan 17 from St. Louis to Burlington, returning Wed, Jan 21, priced at $228 found 23 hours ago
Delta
Tue, Apr 28 - Sat, May 9
STL
St. Louis
BTV
Burlington
$233 Roundtrip, found 4 days ago
$233
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Apr 28 from St. Louis to Burlington, returning Sat, May 9, priced at $233 found 4 days ago
Delta
Tue, May 12 - Thu, May 21
STL
St. Louis
BTV
Burlington
$241 Roundtrip, found 13 hours ago
$241
Roundtrip
found 13 hours ago
Select Delta flight, departing Tue, May 12 from St. Louis to Burlington, returning Thu, May 21, priced at $241 found 13 hours ago
United
Wed, Apr 8 - Wed, Apr 15
STL
St. Louis
BTV
Burlington
$243 Roundtrip, found 15 hours ago
$243
Roundtrip
found 15 hours ago
Select United flight, departing Wed, Apr 8 from St. Louis to Burlington, returning Wed, Apr 15, priced at $243 found 15 hours ago
Delta
Sat, Jan 3 - Fri, Jan 9
STL
St. Louis
BTV
Burlington
$246 Roundtrip, found 1 day ago
$246
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Jan 3 from St. Louis to Burlington, returning Fri, Jan 9, priced at $246 found 1 day ago
Delta
Sat, Jan 17 - Mon, Feb 2
STL
St. Louis
BTV
Burlington
$251 Roundtrip, found 5 days ago
$251
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Jan 17 from St. Louis to Burlington, returning Mon, Feb 2, priced at $251 found 5 days ago
American Airlines
Sat, Jan 17 - Wed, Jan 21
STL
St. Louis
BTV
Burlington
$261 Roundtrip, found 23 hours ago
$261
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Sat, Jan 17 from St. Louis to Burlington, returning Wed, Jan 21, priced at $261 found 23 hours ago

Find the cheapest month to fly from St. Louis (STL) to Burlington (BTV)

February is typically the cheapest month to fly

From $163 - $649 per traveler.

Alternative airports near Burlington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Burlington Intl. BTV. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $519
BTV
Burlington Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $519
Flights from St. Louis (STL) to Burlington (BTV)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Burlington Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$222
Distance
970 mi

St. Louis to Burlington Flights

The cheapest times to fly from St. Louis to Burlington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Burlington are during the month of April. You can find some of the cheapest flights from St. Louis to Burlington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Burlington

Sunday is one of the best days to book for cheap flights from St. Louis to Burlington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Burlington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Burlington in 2026. You can also book with separate airlines for your outbound and return journeys, from $159 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Burlington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Burlington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Burlington Intl. Airport (BTV) cost?
Snag a cheap one-way flight from $159 or cheap return flight from $223 from Lambert-St. Louis Intl. Airport (STL) to Burlington Intl. Airport (BTV) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Burlington Intl. Airport (BTV)?
The cheapest month to fly from STL to BTV is April, when there's less demand. Off-peak season is often when better flight deals are available between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Burlington Intl. Airport (BTV)?
To find the cheapest airline that'll fly you from STL to BTV, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Burlington Intl. Airport (BTV)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Burlington Intl. Airport (BTV) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to BTV?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Burlington Intl. Airport (BTV)?
Choose a flight from Lambert-St. Louis Intl. Airport (STL) to Burlington Intl. Airport (BTV) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Burlington Intl. Airport (BTV) last-minute?
Holding off until just before your trip to book a flight from STL to BTV generally means paying more. While you may find some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible for a better chance of landing a bargain.
Is it cheaper to book a STL to BTV flight and hotel package?
You can save money by securing a STL to BTV flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your preferred accommodations and flights, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Burlington Intl. Airport (BTV)?
Typically, you can cancel or modify your STL to BTV flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, visit our Customer Service portal.

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*Available to One Key members.