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Cheap flights from Bangor, Maine to St. Louis from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bangor, Maine to St. Louis departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 11:37 am
BGR
-
STL
6h 37m
1 stop
Delta Logo
5:45 pm - 11:33 pm
STL
-
BGR
4h 48m
1 stop
$288Delta
Sat, May 30 - Wed, Jun 3
Delta Logo
3:20 pm - 11:21 pm
BGR
-
STL
9h 01m
2 stops
Delta Logo
5:45 pm - 11:33 pm
STL
-
BGR
4h 48m
1 stop
$293Delta
Sat, May 30 - Wed, Jun 3
Delta Logo
3:45 pm - 8:46 pm
BGR
-
STL
6h 01m
1 stop
Delta Logo
5:00 pm - 11:11 pm
STL
-
BGR
5h 11m
1 stop
$317Delta
Fri, Jul 3 - Wed, Jul 8
Delta Logo
4:57 pm - 11:23 pm
BGR
-
STL
7h 26m
2 stops
Delta Logo
5:00 pm - 11:11 pm
STL
-
BGR
5h 11m
1 stop
$332Delta
Fri, Jul 3 - Wed, Jul 8
Delta Logo
3:20 pm - 11:21 pm
BGR
-
STL
9h 01m
2 stops
Delta Logo
5:45 pm - 11:33 pm
STL
-
BGR
4h 48m
1 stop
$334Delta
Sat, May 30 - Tue, Jun 2
Delta Logo
3:20 pm - 11:21 pm
BGR
-
STL
9h 01m
2 stops
Delta Logo
10:49 am - 11:33 pm
STL
-
BGR
11h 44m
2 stops
$339Delta
Sat, May 30 - Wed, Jun 3
American Airlines Logo
4:49 pm - 11:32 pm
BGR
-
STL
7h 43m
1 stop
American Airlines Logo
9:08 am - 10:57 pm
STL
-
BGR
12h 49m
1 stop
$352American Airlines
Fri, Jul 3 - Wed, Jul 8
American Airlines Logo
6:54 am - 1:52 pm
BGR
-
STL
7h 58m
1 stop
American Airlines Logo
9:08 am - 10:57 pm
STL
-
BGR
12h 49m
1 stop
$353American Airlines
Fri, Jul 3 - Wed, Jul 8
Delta Logo
4:57 pm - 11:23 pm
BGR
-
STL
7h 26m
2 stops
Delta Logo
5:00 pm - 11:11 pm
STL
-
BGR
5h 11m
1 stop
$363Delta
Fri, Jul 3 - Wed, Jul 8
United Airlines Logo
7:12 pm - 11:44 pm
BGR
-
STL
5h 32m
1 stop
United Airlines Logo
6:00 am - 2:10 pm
STL
-
BGR
7h 10m
1 stop
$370United Airlines
Thu, Jun 25 - Sat, Jul 4

United Airlines flights from Bangor, Maine to St. Louis

Our best United Airlines deals on Bangor, Maine to St. Louis flight tickets
United Airlines
Jun 25
BGR7:12 pmBangor
5h 32m
1 stop
STL11:44 pmLambert-St Louis
Jul 4
STL6:00 amLambert-St Louis
7h 10m
1 stop
BGR2:10 pmBangor
$370
United Airlines
Oct 24
BGR9:15 amBangor
7h 28m
1 stop
STL3:43 pmLambert-St Louis
Oct 28
STL8:00 amLambert-St Louis
5h 10m
1 stop
BGR2:10 pmBangor
$417
United Airlines
Oct 24
BGR9:15 amBangor
7h 28m
1 stop
STL3:43 pmLambert-St Louis
Oct 28
STL9:23 amLambert-St Louis
9h 30m
2 stops
BGR7:53 pmBangor
$422

American Airlines flights from Bangor, Maine to St. Louis

Our best American Airlines deals on Bangor, Maine to St. Louis flight tickets
American Airlines
Jul 3
BGR4:49 pmBangor
7h 43m
1 stop
STL11:32 pmLambert-St Louis
Jul 8
STL9:08 amLambert-St Louis
12h 49m
1 stop
BGR10:57 pmBangor
$352
American Airlines
Jul 3
BGR6:54 amBangor
7h 58m
1 stop
STL1:52 pmLambert-St Louis
Jul 8
STL9:08 amLambert-St Louis
12h 49m
1 stop
BGR10:57 pmBangor
$353
American Airlines
Oct 8
BGR2:40 pmBangor
5h 22m
1 stop
STL7:02 pmLambert-St Louis
Oct 13
STL6:28 pmLambert-St Louis
4h 31m
1 stop
BGR11:59 pmBangor
$482

momondo Fare Finder

 
Customize your flight search to find flights from Bangor, Maine to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 20, 2026.
Use the filters below to find and compare flights from Bangor, Maine to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Sat 5/30

6:00 am-11:37 am

1 stop6h 37m

Lambert-St Louis

Wed 6/3

5:45 pm-11:33 pm

1 stop4h 48m

$288

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Sat 5/30

3:20 pm-11:21 pm

2 stops9h 01m

Lambert-St Louis

Wed 6/3

5:45 pm-11:33 pm

1 stop4h 48m

$293
Quickest round-trip

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Fri 7/3

3:45 pm-8:46 pm

1 stop6h 01m

Lambert-St Louis

Wed 7/8

5:00 pm-11:11 pm

1 stop5h 11m

$317

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Fri 7/3

4:57 pm-11:23 pm

2 stops7h 26m

Lambert-St Louis

Wed 7/8

5:00 pm-11:11 pm

1 stop5h 11m

$332

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Sat 5/30

3:20 pm-11:21 pm

2 stops9h 01m

Lambert-St Louis

Tue 6/2

5:45 pm-11:33 pm

1 stop4h 48m

$334

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Sat 5/30

3:20 pm-11:21 pm

2 stops9h 01m

Lambert-St Louis

Wed 6/3

10:49 am-11:33 pm

2 stops11h 44m

$339

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Fri 7/3

4:49 pm-11:32 pm

1 stop7h 43m

Lambert-St Louis

Wed 7/8

9:08 am-10:57 pm

1 stop12h 49m

$352

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Fri 7/3

6:54 am-1:52 pm

1 stop7h 58m

Lambert-St Louis

Wed 7/8

9:08 am-10:57 pm

1 stop12h 49m

$353

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Fri 7/3

4:57 pm-11:23 pm

2 stops7h 26m

Lambert-St Louis

Wed 7/8

5:00 pm-11:11 pm

1 stop5h 11m

$363

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Thu 6/25

7:12 pm-11:44 pm

1 stop5h 32m

Lambert-St Louis

Sat 7/4

6:00 am-2:10 pm

1 stop7h 10m

$370

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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, January 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 $0. The month of August is another great option to travel to St. Louis, with average flight prices from Bangor, Maine averaging around $321.

Can stopping save me money on Bangor, Maine to St. Louis flights?

You could potentially save up to 84% on your flight if you consider stops on a Bangor, Maine to St. Louis flight.

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

6h 01m

Direct flights

None
The fastest flight from Bangor, Maine to St. Louis takes 6h 01m
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

Frequently asked questions about flying from Bangor, Maine to St. Louis

  • 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 6h 01m, 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?

  • 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?

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
United AirlinesPriceFrom $254Free CancellationRating
7.4
9,736 reviews
Search United Airlines flights
DeltaPriceFrom $258Free CancellationRating
7.9
8,454 reviews
Search Delta flights
American AirlinesPriceFrom $263Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
Florissant
O'Fallon
St. Peters
Collinsville
Alton
Wentzville
Fenton
Farmington
Festus
Eureka
Clayton
Litchfield
Edwardsville
Shrewsbury
Grafton

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.

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