What is the cheapest airline that flies from Bangor to Lambert-St Louis?

United Airlines and American Airlines are the most popular carriers operating from Bangor to Lambert-St Louis

When did momondo last update prices for flights from Bangor Airport to Lambert-St Louis Airport?

Prices for flights from Bangor Airport to Lambert-St Louis Airport refresh daily.

How many operators does momondo search for flights from Bangor Airport to Lambert-St Louis Airport?

As of December 2025, there are 2 operators available to choose from for flights from Bangor Airport to Lambert-St Louis Airport.

How old do you have to be to fly from Bangor Airport to Lambert-St Louis Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bangor Airport to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$240 Cheap Flights from Bangor to St. Louis in 2025/26

Q: What is the typical price of a round-trip flight between Bangor, Maine and St. Louis?

Prices are currently low for flights on this route. Typical prices usually range from $364 to $603. The lowest price recently found on this route was $279.

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Find the cheapest flights from Bangor, Maine to St. Louis

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:53 pm - 9:51 pm

BGR

STL

5h 58m1 stop

9:54 am - 4:32 pm

STL

BGR

5h 38m1 stop

$279American Airlines

Fri, Feb 6 - Sun, Feb 8

12:07 pm - 6:51 am

BGR

STL

19h 44m2 stops

8:59 am - 7:14 pm

STL

BGR

9h 15m1 stop

$331Multiple Airlines

Fri, Feb 6 - Sun, Feb 8

1:07 pm - 11:37 pm

BGR

STL

11h 30m2 stops

6:35 am - 3:54 pm

STL

BGR

8h 19m2 stops

$399Delta

Fri, Feb 6 - Sun, Feb 8

4:52 pm - 9:41 pm

BGR

STL

5h 49m1 stop

2:00 pm - 9:16 pm

STL

BGR

6h 16m1 stop

$440American Airlines

Fri, Mar 6 - Sun, Mar 8

6:17 am - 12:28 pm

BGR

STL

7h 11m1 stop

6:00 am - 12:16 pm

STL

BGR

5h 16m1 stop

$520American Airlines

Mon, Mar 16 - Mon, Mar 23

8:14 am - 4:03 pm

BGR

STL

8h 49m2 stops

6:30 am - 8:12 pm

STL

BGR

12h 42m2 stops

$561United Airlines

Thu, Jan 8 - Sun, Jan 11

10:56 am - 7:07 am

BGR

STL

21h 11m1 stop

7:52 am - 7:14 pm

STL

BGR

10h 22m1 stop

$586Multiple Airlines

Fri, Mar 20 - Sun, Mar 29

10:56 am - 9:49 am

BGR

STL

23h 53m2 stops

4:51 pm - 10:06 am

STL

BGR

16h 15m1 stop

$611Multiple Airlines

Fri, Mar 6 - Sun, Mar 8

6:00 am - 11:54 am

BGR

STL

6h 54m1 stop

2:18 pm - 11:28 pm

STL

BGR

8h 10m2 stops

$614Delta

Thu, Apr 16 - Wed, Apr 22

5:30 am - 12:19 pm

BGR

STL

7h 49m1 stop

6:10 am - 11:48 am

STL

BGR

4h 38m1 stop

$619Delta

Fri, Mar 20 - Sun, Mar 22

American Airlines flights from Bangor, Maine to St. Louis

Our best American Airlines deals on Bangor, Maine to St. Louis flight tickets

American Airlines

Feb 6

BGR4:53 pmBangor

5h 58m

1 stop

STL9:51 pmLambert-St Louis

Feb 8

STL9:54 amLambert-St Louis

5h 38m

1 stop

BGR4:32 pmBangor

$279

Find similar

American Airlines

Mar 6

BGR4:52 pmBangor

5h 49m

1 stop

STL9:41 pmLambert-St Louis

Mar 8

STL2:00 pmLambert-St Louis

6h 16m

1 stop

BGR9:16 pmBangor

$440

Find similar

American Airlines

Mar 16

BGR6:17 amBangor

7h 11m

1 stop

STL12:28 pmLambert-St Louis

Mar 23

STL6:00 amLambert-St Louis

5h 16m

1 stop

BGR12:16 pmBangor

$520

Find similar

Delta flights from Bangor, Maine to St. Louis

Our best Delta deals on Bangor, Maine to St. Louis flight tickets

Delta

Feb 6

BGR1:07 pmBangor

11h 30m

2 stops

STL11:37 pmLambert-St Louis

Feb 8

STL6:35 amLambert-St Louis

8h 19m

2 stops

BGR3:54 pmBangor

$399

Find similar

Delta

Apr 16

BGR6:00 amBangor

6h 54m

1 stop

STL11:54 amLambert-St Louis

Apr 22

STL2:18 pmLambert-St Louis

8h 10m

2 stops

BGR11:28 pmBangor

$614

Find similar

Delta

Mar 20

BGR5:30 amBangor

7h 49m

1 stop

STL12:19 pmLambert-St Louis

Mar 22

STL6:10 amLambert-St Louis

4h 38m

1 stop

BGR11:48 amBangor

$619

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Fri 2/6

4:53 pm-9:51 pm

1 stop5h 58m

Lambert-St Louis

Sun 2/8

9:54 am-4:32 pm

1 stop5h 38m

$279

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Fri 2/6

12:07 pm-6:51 am

2 stops19h 44m

Lambert-St Louis

Sun 2/8

8:59 am-7:14 pm

1 stop9h 15m

$331

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Fri 2/6

1:07 pm-11:37 pm

2 stops11h 30m

Lambert-St Louis

Sun 2/8

6:35 am-3:54 pm

2 stops8h 19m

$399

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Fri 3/6

4:52 pm-9:41 pm

1 stop5h 49m

Lambert-St Louis

Sun 3/8

2:00 pm-9:16 pm

1 stop6h 16m

$440

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Mon 3/16

6:17 am-12:28 pm

1 stop7h 11m

Lambert-St Louis

Mon 3/23

6:00 am-12:16 pm

1 stop5h 16m

$520

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Thu 1/8

8:14 am-4:03 pm

2 stops8h 49m

Lambert-St Louis

Sun 1/11

6:30 am-8:12 pm

2 stops12h 42m

$561

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Fri 3/20

10:56 am-7:07 am

1 stop21h 11m

Lambert-St Louis

Sun 3/29

7:52 am-7:14 pm

1 stop10h 22m

$586

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Fri 3/6

10:56 am-9:49 am

2 stops23h 53m

Lambert-St Louis

Sun 3/8

4:51 pm-10:06 am

1 stop16h 15m

$611

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Thu 4/16

6:00 am-11:54 am

1 stop6h 54m

Lambert-St Louis

Wed 4/22

2:18 pm-11:28 pm

2 stops8h 10m

$614

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Fri 3/20

5:30 am-12:19 pm

1 stop7h 49m

Lambert-St Louis

Sun 3/22

6:10 am-11:48 am

1 stop4h 38m

$619

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Bangor, Maine to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Bangor, Maine and St. Louis?

What is the cheapest month to fly to St. Louis?

In general, September is the cheapest month to fly from Bangor, Maine to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $322. The month of July is another great option to travel to St. Louis, with average flight prices from Bangor, Maine averaging around $340.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Wednesday when prices can be found for as low as $268. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $546. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Bangor, Maine at noon is the least expensive time of day to depart. momondo users have found prices as low as $308 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $457 per ticket.

When to book flights from Bangor, Maine to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Bangor, Maine to St. Louis according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Bangor, Maine to St. Louis (BGR to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bangor, Maine to St. Louis

Fastest flight time	8h 49m
Direct flights	None

The fastest flight from Bangor, Maine to St. Louis takes 8h 49m

There are no direct flights from Bangor, Maine to St. Louis. There are no popular flight routes from Bangor, Maine to St. Louis.

Search flight deals

How far is Bangor to Lambert-St Louis by plane?
There are 1179.1 mi between Bangor and Lambert-St Louis. Flights usually cover this in 8h 49m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Bangor Airport to Lambert-St Louis Airport?
Prices for flights from Bangor Airport to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from Bangor Airport to Lambert-St Louis Airport?
As of December 2025, there are 2 operators available to choose from for flights from Bangor Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Bangor Airport to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bangor Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Bangor, Maine to St. Louis?
Based on momondo bookings for flights between Bangor, Maine and St. Louis, the leading airline is American Airlines, making up 70% of the total bookings. Other popular airlines include Delta with 30%.

Best airlines flying from Bangor, Maine to St. Louis

Compare and see reviews for airlines that fly from Bangor, Maine to St. Louis with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.2 11,054 reviews		Search American Airlines flights
Delta	PriceFrom $268	Free Cancellation	Rating 7.9 8,005 reviews		Search Delta flights

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Chesterfield

Hermann

Fairview Heights

Maryland Heights

O'Fallon

Florissant

Fenton

Wentzville

St. Peters

Collinsville

Alton

Clayton

Festus

Glencoe

Farmington

Eureka

Edwardsville

Litchfield

Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Bangor to St. Louis?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Bangor to St. Louis. momondo saves you time and could save you money on your trip.

Can I find flights from Bangor to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Bangor with this policy.

How can momondo help me find flights from Bangor to St. Louis?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Bangor to St. Louis.

I’m not ready to book a flight from Bangor to St. Louis right now. Can momondo alert me if prices change?

If you are simply researching potential flights to St. Louis, momondo offers a useful price alert feature which will track prices for flights to St. Louis from Bangor and alert you when they change.