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$313+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
BGR — STL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$339
(American Airlines)

One-way from

$313
(Kiwi.com)

Popular in

January

Cheapest in

December

Average price

$398
From Bangor to Lambert-St Louis
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One-way flight from Bangor to Lambert-St Louis
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Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 11/83:52 pmBGR - STL
1 stop6h 08mAmerican Airlines
Tue 11/116:14 pmSTL - BGR
1 stop4h 44mAmerican Airlines
Deal found 9/13$339
This Delta deal was found by Cheapflights users on 9/12. 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 11/115:14 pmSTL - BGR
1 stop5h 14mDelta
Deal found 9/12$359
This American Airlines deal was found by Cheapflights users on 9/14. 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 12/305:06 pmBGR - STL
1 stop5h 39mAmerican Airlines
Sun 1/45:30 amSTL - BGR
1 stop6h 38mAmerican Airlines
Deal found 9/14$523
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 9/159:40 amBGR - STL
1 stop7h 04mUnited Airlines
Thu 9/183:20 pmSTL - BGR
1 stop5h 20mUnited Airlines
Deal found 9/14$781

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 September 15, 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

Sat 11/8

3:52 pm-9:00 pm

1 stop6h 08m

Lambert-St Louis

Tue 11/11

6:14 pm-11:58 pm

1 stop4h 44m

$339

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Sat 11/8

6:00 am-11:38 am

1 stop6h 38m

Lambert-St Louis

Tue 11/11

5:14 pm-11:28 pm

1 stop5h 14m

$359

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Tue 12/30

5:06 pm-9:45 pm

1 stop5h 39m

Lambert-St Louis

Sun 1/4

5:30 am-1:08 pm

1 stop6h 38m

$523

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Mon 10/13

6:50 pm-9:07 am

2 stops39h 17m

$313

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Mon 10/13

4:15 pm-2:27 pm

1 stop23h 12m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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.

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 September 15, 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
7,954 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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
7,954 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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.

  • How long is the flight from Bangor, Maine to St. Louis?

    American Airlines and Delta can get you from Bangor, Maine to St. Louis in just under 6h 08m. Your travel time can differ by up to 30m. 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 $241. Another airline that can offer you cheap pricing is Delta. These flights start at 40% 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
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
Chesterfield
Alton
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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$241Average$408FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$358FlexibilityNo cancel feeOn-timeN/A

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