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$269+ Cheap flights from Bangor, ME to St. Louis (BGR - STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
BGR — STL
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap 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 August 14, 2025.

Round-trip from

$269
(Delta)

Popular in

January

Cheapest in

November

Average price

$413
From Bangor to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 14, 2025.

This Delta deal was found by Cheapflights users on 8/13. 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.
Tue 9/235:23 amBGR - STL
2 stops7h 58mDelta
Sat 9/276:01 amSTL - BGR
2 stops7h 30mDelta
Deal found 8/13$269
This Delta deal was found by Cheapflights users on 8/13. 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 9/245:23 amBGR - STL
1 stop7h 56mDelta
Sat 9/276:01 amSTL - BGR
2 stops7h 30mDelta
Deal found 8/13$279
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Tue 9/235:39 amBGR - STL
1 stop5h 42mAmerican Airlines
Sat 9/276:10 amSTL - BGR
1 stop14h 55mAmerican Airlines
Deal found 8/13$284
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 8/286:00 amBGR - STL
1 stop7h 35mAmerican Airlines
Mon 9/16:00 amSTL - BGR
1 stop5h 22mAmerican Airlines
Deal found 8/13$289
This Delta deal was found by Cheapflights users on 8/13. 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 11/86:00 amBGR - STL
1 stop6h 38mDelta
Tue 11/115:00 pmSTL - BGR
1 stop5h 24mDelta
Deal found 8/13$291
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Tue 9/236:00 amBGR - STL
1 stop7h 23mAmerican Airlines
Fri 9/268:23 amSTL - BGR
1 stop6h 51mAmerican Airlines
Deal found 8/13$320
This Delta deal was found by Cheapflights users on 8/13. 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.
Tue 9/235:23 amBGR - STL
2 stops10h 12mDelta
Fri 9/265:28 pmSTL - BGR
1 stop5h 01mDelta
Deal found 8/13$325

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 August 14, 2025.
Use the filters below to find and compare flights from Bangor to St. Louis that are best for you.

Fly from

Bangor

Fly to

St. Louis

Route

Depart

Return

Price

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Tue 9/23

5:23 am-12:21 pm

2 stops7h 58m

Lambert-St Louis

Sat 9/27

6:01 am-2:31 pm

2 stops7h 30m

$269

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Wed 9/24

5:23 am-12:19 pm

1 stop7h 56m

Lambert-St Louis

Sat 9/27

6:01 am-2:31 pm

2 stops7h 30m

$279

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Tue 9/23

5:39 am-10:21 am

1 stop5h 42m

Lambert-St Louis

Sat 9/27

6:10 am-10:05 pm

1 stop14h 55m

$284

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Thu 8/28

6:00 am-12:35 pm

1 stop7h 35m

Lambert-St Louis

Mon 9/1

6:00 am-12:22 pm

1 stop5h 22m

$289

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Sat 11/8

6:00 am-11:38 am

1 stop6h 38m

Lambert-St Louis

Tue 11/11

5:00 pm-11:24 pm

1 stop5h 24m

$291

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Tue 9/23

6:00 am-12:23 pm

1 stop7h 23m

Lambert-St Louis

Fri 9/26

8:23 am-4:14 pm

1 stop6h 51m

$320

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Wed 9/24

5:23 am-12:19 pm

1 stop7h 56m

Lambert-St Louis

Fri 9/26

5:28 pm-11:29 pm

1 stop5h 01m

$320

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Tue 9/23

5:23 am-2:35 pm

2 stops10h 12m

Lambert-St Louis

Fri 9/26

5:28 pm-11:29 pm

1 stop5h 01m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

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

What is the cheapest month to book a flight from Bangor, Maine to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Bangor, Maine to St. Louis (average of $311). Flying from Bangor, Maine to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 August 14, 2025.
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.
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 33% 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.

  • What is the cheapest month to book a flight from Bangor, Maine to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Bangor, Maine to St. Louis (average of $311). Flying from Bangor, Maine to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

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

Browse thousands of different options on Cheapflights for your next trip

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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$389FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$338FlexibilityNo cancel feeOn-timeN/A

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