$216 Cheap Flights from St. Louis (STL) to Bangor (BGR)

View $216 flight on Tue, Apr 21, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Bangor Intl. Airport (BGR)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from St. Louis to Bangor (STL-BGR)

Prices were available within the past 7 days and start at $216 for one-way flights and $259 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Dec 6 - Sat, Dec 13
STL
St. Louis
BGR
Bangor
$259 Roundtrip, found 2 hours ago
$259
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Dec 6 from St. Louis to Bangor, returning Sat, Dec 13, priced at $259 found 2 hours ago
Delta
Thu, Feb 12 - Wed, Feb 18
STL
St. Louis
BGR
Bangor
$264 Roundtrip, found 1 day ago
$264
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Feb 12 from St. Louis to Bangor, returning Wed, Feb 18, priced at $264 found 1 day ago
Delta
Sat, Dec 6 - Sat, Dec 13
STL
St. Louis
BGR
Bangor
$269 Roundtrip, found 2 hours ago
$269
Roundtrip
found 2 hours ago
Select Delta flight, departing Sat, Dec 6 from St. Louis to Bangor, returning Sat, Dec 13, priced at $269 found 2 hours ago
Delta
Tue, Mar 17 - Tue, Mar 31
STL
St. Louis
BGR
Bangor
$284 Roundtrip, found 2 days ago
$284
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Mar 17 from St. Louis to Bangor, returning Tue, Mar 31, priced at $284 found 2 days ago
Delta
Fri, Feb 13 - Wed, Feb 18
STL
St. Louis
BGR
Bangor
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Feb 13 from St. Louis to Bangor, returning Wed, Feb 18, priced at $289 found 1 day ago
Delta
Tue, Apr 14 - Sat, May 2
STL
St. Louis
BGR
Bangor
$294 Roundtrip, found 2 days ago
$294
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Apr 14 from St. Louis to Bangor, returning Sat, May 2, priced at $294 found 2 days ago
Delta
Thu, Apr 2 - Tue, Apr 14
STL
St. Louis
BGR
Bangor
$309 Roundtrip, found 2 days ago
$309
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Apr 2 from St. Louis to Bangor, returning Tue, Apr 14, priced at $309 found 2 days ago
Delta
Tue, Apr 14 - Thu, Apr 30
STL
St. Louis
BGR
Bangor
$314 Roundtrip, found 2 days ago
$314
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Apr 14 from St. Louis to Bangor, returning Thu, Apr 30, priced at $314 found 2 days ago
Delta
Fri, Dec 12 - Tue, Dec 16
STL
St. Louis
BGR
Bangor
$319 Roundtrip, found 2 days ago
$319
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Dec 12 from St. Louis to Bangor, returning Tue, Dec 16, priced at $319 found 2 days ago
United
Wed, Dec 17 - Thu, Dec 25
STL
St. Louis
BGR
Bangor
$349 Roundtrip, found 23 hours ago
$349
Roundtrip
found 23 hours ago
Select United flight, departing Wed, Dec 17 from St. Louis to Bangor, returning Thu, Dec 25, priced at $349 found 23 hours ago

Find the cheapest month to fly from St. Louis (STL) to Bangor (BGR)

October is typically the cheapest month to fly

From $249 - $530 per traveler.

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Bangor Intl. Airport (BGR) cost?
Grab a cheap one-way flight from $216 or cheap return flight from $259 from Lambert-St. Louis Intl. Airport (STL) to Bangor Intl. Airport (BGR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Bangor Intl. Airport (BGR)?
The cheapest month to fly from STL to BGR is December, when there's less demand. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Bangor Intl. Airport (BGR)?
To find the cheapest airline flying from STL to BGR, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. 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 Bangor Intl. Airport (BGR)?
There are no daily nonstop flights available from Lambert-St. Louis Intl. Airport (STL) to Bangor Intl. Airport (BGR). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from STL to BGR?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, airline 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 Bangor Intl. Airport (BGR)?
Book a flight from Lambert-St. Louis Intl. Airport (STL) to Bangor Intl. Airport (BGR) that leaves before 3 PM to reduce the risk of cancellations. 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 Bangor Intl. Airport (BGR) last-minute?
Booking your plane ticket from STL to BGR shortly before your trip is typically more expensive. However, if you're flexible with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a STL to BGR flight and hotel package?
Securing a STL to BGR flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our impressive range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Bangor Intl. Airport (BGR)?
It's generally possible to cancel or reschedule your STL to BGR flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Bangor Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$258
Distance
1182 mi

Book with confidence

St. Louis to Bangor Flights

The cheapest times to fly from St. Louis to Bangor

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 Bangor are during the month of December. You can find some of the cheapest flights from St. Louis to Bangor with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Bangor: 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 Bangor

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 Bangor in 2025. You can also book with separate airlines for your outbound and return journeys, from $216 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 Bangor 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 Bangor 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.

 

St. Louis to Bangor Flights

Explore a world of travel with Expedia

*Available to One Key members.