CA $348 Cheap Flights from Burlington (BTV) to St. Louis (STL)

View CA $348 flight on Sat, Sep. 6, 2025Opens in a new window

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

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Cheap flights from Burlington (BTV) to St. Louis (STL)

Prices were available within the past 7 days and start at CA $348 for one-way flights and CA $358 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Sep. 19 - Mon, Sep. 22
BTV
Burlington
STL
St. Louis
CA $358 Roundtrip, found 4 days ago
CA $358
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Sep. 19 from Burlington to St. Louis, returning Mon, Sep. 22, priced at CA $358 found 4 days ago
Delta
Thu, Sep. 18 - Mon, Sep. 22
BTV
Burlington
STL
St. Louis
CA $358 Roundtrip, found 4 days ago
CA $358
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Sep. 18 from Burlington to St. Louis, returning Mon, Sep. 22, priced at CA $358 found 4 days ago
Delta
Fri, Oct. 3 - Mon, Oct. 6
BTV
Burlington
STL
St. Louis
CA $365 Roundtrip, found 5 days ago
CA $365
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Oct. 3 from Burlington to St. Louis, returning Mon, Oct. 6, priced at CA $365 found 5 days ago
Delta
Fri, Oct. 3 - Mon, Oct. 6
BTV
Burlington
STL
St. Louis
CA $386 Roundtrip, found 5 days ago
CA $386
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Oct. 3 from Burlington to St. Louis, returning Mon, Oct. 6, priced at CA $386 found 5 days ago
Delta
Thu, Sep. 18 - Mon, Sep. 22
BTV
Burlington
STL
St. Louis
CA $434 Roundtrip, found 4 days ago
CA $434
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Sep. 18 from Burlington to St. Louis, returning Mon, Sep. 22, priced at CA $434 found 4 days ago
American Airlines
Fri, Sep. 19 - Mon, Sep. 22
BTV
Burlington
STL
St. Louis
CA $454 Roundtrip, found 4 days ago
CA $454
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Sep. 19 from Burlington to St. Louis, returning Mon, Sep. 22, priced at CA $454 found 4 days ago
Delta
Fri, Oct. 3 - Mon, Oct. 6
BTV
Burlington
STL
St. Louis
CA $462 Roundtrip, found 5 days ago
CA $462
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Oct. 3 from Burlington to St. Louis, returning Mon, Oct. 6, priced at CA $462 found 5 days ago
Delta
Fri, Oct. 3 - Mon, Oct. 6
BTV
Burlington
STL
St. Louis
CA $483 Roundtrip, found 5 days ago
CA $483
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Oct. 3 from Burlington to St. Louis, returning Mon, Oct. 6, priced at CA $483 found 5 days ago
American Airlines
Fri, Oct. 3 - Mon, Oct. 6
BTV
Burlington
STL
St. Louis
CA $493 Roundtrip, found 5 days ago
CA $493
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Oct. 3 from Burlington to St. Louis, returning Mon, Oct. 6, priced at CA $493 found 5 days ago
Delta
Fri, Sep. 19 - Mon, Sep. 22
BTV
Burlington
STL
St. Louis
CA $496 Roundtrip, found 4 days ago
CA $496
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Sep. 19 from Burlington to St. Louis, returning Mon, Sep. 22, priced at CA $496 found 4 days ago

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

May is typically the cheapest month to fly

From CA $274 - CA $718 per traveller.

Graph displaying average flight prices per month

Flight from Burlington to St. Louis (BTV - STL) route information
Origin airport
Burlington Intl.
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
CA $357
Distance
1553 km

South Burlington to St. Louis Flights

The easy way to book your flights from Burlington to St. Louis 

With Expedia, it’s simple to find and book flights to St. Louis from Burlington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Lambert-St. Louis Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Burlington to St. Louis today, tomorrow, or this week.  

 

Save dollars with cheap flights from Burlington Intl., BTV to Lambert-St. Louis Intl., STL 

Sort your search results by price to find great deals on your flight from Burlington to St. Louis—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to St. Louis from Burlington currently is just CA $358 rising to CA $496.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to St. Louis  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to St. Louis from Burlington 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to St. Louis with Expedia today.

Frequently asked questions

How much is a flight from BTV to STL?
Round-trip tickets from Burlington International Airport to Lambert Field start from CA $358. This is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book now so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Burlington International Airport to Lambert Field?
Each airline has a different set of terms and conditions. If you decide to cancel your vacation, visit our Customer Service Portal.
How do I find cheap flights from Burlington Intl. Airport (BTV) to Lambert Field that have flexible change policies?
Flights from Burlington Intl. Airport (BTV) to Lambert-St. Louis Intl. Airport (STL) offering flexible change policies are available with many carriers. Simply use our "No change fees" filter when searching. You'll only need to cover the cost difference between flights, with no extra fees to worry about.
How many hours is the flight from BTV to Lambert Field?
There are plenty of ways to make the 4 hours and 48 minutes between Burlington International Airport and Lambert Field go by quicker. Be productive and organize your camera roll or clear out all those unwanted emails. A nice snooze also helps pass the time!
How far is the flight from Burlington Intl. Airport (BTV) to Lambert-St. Louis Intl. Airport (STL)?
Around 1,550 kilometres separates South Burlington and St. Louis, so pack some entertainment to keep you busy for a couple of hours. That gripping novel you haven't had time to finish will be perfect.
Which airlines fly direct from BTV to Lambert Field?
If you want to fly straight from Burlington International Airport to Lambert-St. Louis Intl. Airport (STL), you'll need to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly on this route.
Are Burlington International Airport to STL flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally find a bargain, with some of the cheapest airfares from Burlington International Airport to Lambert-St. Louis Intl. Airport (STL) cropping up a few weeks before the departure date. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals continually — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines advertise prices so far in advance.

Explore a world of travel with Expedia

Burlington nearby Airports

Plattsburgh

Plattsburgh Intl. to St. Louis
CA $571.00
*Available to Expedia members.