St. Louis

$306+ Cheap flights from Bangor, ME to St. Louis (BGR - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
BGR — STL
Apr 23 — Apr 301
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bangor to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Bangor to St. Louis

Cheapest flights from Bangor to St. Louis
Explore the most affordable flight options available from Bangor to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.

This American Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/104:59 pm
BGR
-
STL
1 stop6h 08m
American Airlines
Sun 4/125:21 pm
STL
-
BGR
1 stop5h 04m
American Airlines
Deal found 3/19$319
This United Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:15 pm
BGR
-
STL
1 stop5h 12m
United Airlines
Sun 10/258:00 am
STL
-
BGR
1 stop5h 10m
United Airlines
Deal found 3/21$338
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:15 pm
BGR
-
STL
1 stop5h 30m
United Airlines
Tue 8/111:18 pm
STL
-
BGR
2 stops8h 54m
United Airlines
Deal found 3/23$344
This American Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/46:11 pm
BGR
-
STL
1 stop5h 41m
American Airlines
Wed 4/83:43 pm
STL
-
BGR
1 stop7h 09m
American Airlines
Deal found 3/20$349
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/41:13 pm
BGR
-
STL
1 stop5h 34m
Delta
Wed 4/86:32 am
STL
-
BGR
2 stops8h 06m
Delta
Deal found 3/20$354
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:15 am
BGR
-
STL
2 stops7h 41m
Delta
Wed 4/291:03 pm
STL
-
BGR
2 stops9h 28m
Delta
Deal found 3/24$359
This Delta deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/134:51 pm
BGR
-
STL
1 stop4h 48m
Delta
Mon 6/155:40 pm
STL
-
BGR
1 stop4h 55m
Delta
Deal found 3/22$365
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:05 am
BGR
-
STL
2 stops9h 05m
Delta
Tue 6/25:45 pm
STL
-
BGR
1 stop4h 48m
Delta
Deal found 3/21$370
This American Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:27 am
BGR
-
STL
1 stop5h 34m
American Airlines
Mon 7/209:22 am
STL
-
BGR
1 stop6h 11m
American Airlines
Deal found 3/22$379

Find flight deals from Bangor to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Bangor (BGR) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(American Airlines)

One-way from

$316
(American Airlines)

Popular in

May

Cheapest in

September

Average price

$450
Provider with most accurate pricing for Bangor-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Bangor-Lambert-St Louis flights.
From Bangor to Lambert-St Louis
One-way flight from Bangor to Lambert-St Louis
Highest demand for flights based on searches. 11% potential increase in price ($55 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bangor 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, Cheapflights users made 2,558,603 searches. Data last updated March 24, 2026.
Use the filters below to find and compare flights from Bangor 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

Wed 8/5

4:58 pm-11:55 pm

1 stop7h 57m

Lambert-St Louis

Tue 8/11

6:20 am-3:09 pm

1 stop7h 49m

$319
Quickest round-trip

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Sat 6/13

4:51 pm-8:39 pm

1 stop4h 48m

Lambert-St Louis

Mon 6/15

5:40 pm-11:35 pm

1 stop4h 55m

$365

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Wed 7/15

5:27 am-10:01 am

1 stop5h 34m

Lambert-St Louis

Mon 7/20

9:22 am-4:33 pm

1 stop6h 11m

$379

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Fri 5/29

5:05 am-1:10 pm

2 stops9h 05m

Lambert-St Louis

Tue 6/2

1:27 pm-11:33 pm

2 stops9h 06m

$400

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Wed 4/22

5:15 am-12:05 pm

1 stop7h 50m

Lambert-St Louis

Wed 4/29

11:42 am-11:31 pm

2 stops10h 49m

$400

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Wed 8/5

5:20 am-4:14 pm

2 stops11h 54m

Lambert-St Louis

Tue 8/11

2:18 pm-11:28 pm

2 stops8h 10m

$403

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Fri 5/1

5:15 am-3:32 pm

2 stops11h 17m

Lambert-St Louis

Mon 5/4

6:05 am-12:09 pm

1 stop5h 04m

$444

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Wed 7/15

6:10 am-3:46 pm

2 stops10h 36m

Lambert-St Louis

Tue 7/21

1:13 pm-11:15 pm

2 stops9h 02m

$475

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Fri 4/10

12:28 pm-11:25 pm

2 stops11h 57m

Lambert-St Louis

Mon 4/13

1:46 pm-11:31 pm

2 stops8h 45m

$514

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Thu 4/9

5:30 am-3:13 pm

2 stops10h 43m

Lambert-St Louis

Mon 4/13

9:59 am-11:31 pm

2 stops12h 32m

$525

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Compare providers for flights from Bangor to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bangor to St. Louis in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bangor, Maine-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bangor, Maine-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bangor, Maine-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bangor, Maine-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bangor, Maine-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Bangor to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Bangor with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bangor to St. Louis

How much does it cost to fly round-trip from Bangor, Maine to St. Louis?

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated March 24, 2026.
Read reviews from past customers who have flown Delta and American Airlines from Bangor to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Bangor to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Bangor, Maine to St. Louis?

    American Airlines, United Airlines, and Delta can get you from Bangor, Maine to St. Louis in just under 5h 30m. Your travel time can differ by up to 38m. There are 1181 mi between Bangor, Maine and St. Louis. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Bangor, Maine to St. Louis round-trip?

    Cheapflights users have booked flights from Bangor, Maine to St. Louis round-trip from $258. Another airline that can offer you cheap pricing is Delta. These flights start at 38% lower than the current average price 3 months from now.

  • Can I find deals for flights from Bangor to St. Louis that include hotel bookings?

    Yes. In addition to deals on Bangor to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bangor to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangor to St. Louis.

  • Can I find deals for business class flights from Bangor to St. Louis?

    Yes. Cheapflights offers flight deals from Bangor to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Bangor to St. Louis

Discover the top 2 airlines that operate flights from Bangor to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$421FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$338FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.