$429 Cheap Flights from St. Louis (STL) to Bar Harbor (BHB)

View $429 flight on Tue, Nov 11, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Bar Harbor, ME (BHB-Hancock County - Bar Harbor)

Cheap Flights from St. Louis to Bar Harbor (STL-BHB)

Prices were available within the past 7 days and start at $429 for one-way flights and $586 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jan 6 - Tue, Jan 13
STL
St. Louis
BHB
Bar Harbor
$586 Roundtrip, found 2 days ago
$586
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jan 6 from St. Louis to Bar Harbor, returning Tue, Jan 13, priced at $586 found 2 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Hancock County - Bar Harbor Airport (BHB) cost?
Lock in a cheap one-way flight from $429 or cheap return flight from $586 from Lambert-St. Louis Intl. Airport (STL) to Hancock County - Bar Harbor Airport (BHB) 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 Hancock County - Bar Harbor Airport (BHB)?
The cheapest month to fly from STL to BHB is January, when there's less demand. Off-peak season is usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Hancock County - Bar Harbor Airport (BHB)?
To find the cheapest airline that'll fly you from STL to BHB, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and flight duration. 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 Hancock County - Bar Harbor Airport (BHB)?
You'll have to catch a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Hancock County - Bar Harbor Airport (BHB). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from STL to BHB?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*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 Hancock County - Bar Harbor Airport (BHB)?
To reach Hancock County - Bar Harbor Airport (BHB) on schedule, book a flight that leaves Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Hancock County - Bar Harbor Airport (BHB) last-minute?
Booking your plane ticket from STL to BHB right before your journey is generally more expensive. But if you're flexible with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book a STL to BHB flight and hotel package?
Booking a STL to BHB flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our wide range of accommodations and then add car rentals, flights and activities to your booking. Bundle it all 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 Hancock County - Bar Harbor Airport (BHB)?
If you reserved your STL to BHB flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Hancock County - Bar Harbor
Roundtrip price
$585
Distance
1198 mi

Book with confidence

St. Louis to Bar Harbor Flights

The cheapest times to fly from St. Louis to Bar Harbor

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

 

The best time to book a flight from St. Louis to Bar Harbor

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

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 Bar Harbor in 2025. You can also book with separate airlines for your outbound and return journeys, from $429 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 Bar Harbor 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 Bar Harbor 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 Bar Harbor Flights

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*Available to One Key members.