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Bangor

$259+ Cheap flights from St. Louis to Bangor, ME (STL - BGR)

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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BGR
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Bangor are usually found in February or August, booked 70 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from St. Louis to Bangor

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Bangor (BGR). 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 16, 2025.

Round-trip from

$259
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$373
From Lambert-St Louis to Bangor
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from St. Louis to Bangor

Cheapest flights from St. Louis to Bangor
Explore the most affordable flight options available from St. Louis to Bangor. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

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.
Thu 11/66:00 amSTL - BGR
1 stop5h 11mAmerican Airlines
Sat 11/83:52 pmBGR - STL
1 stop6h 08mAmerican Airlines
Deal found 9/14$259
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:00 amSTL - BGR
2 stops11h 18mDelta
Wed 10/225:19 amBGR - STL
1 stop8h 16mDelta
Deal found 9/14$264
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:00 amSTL - BGR
2 stops11h 18mDelta
Sat 10/251:45 pmBGR - STL
2 stops10h 21mDelta
Deal found 9/14$269
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/205:40 pmSTL - BGR
1 stop4h 48mDelta
Tue 10/285:19 amBGR - STL
1 stop8h 01mDelta
Deal found 9/14$274
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/205:40 pmSTL - BGR
1 stop4h 48mDelta
Sat 10/251:45 pmBGR - STL
2 stops10h 21mDelta
Deal found 9/14$279
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:33 pmSTL - BGR
1 stop25h 30mMultiple Airlines
Sun 11/27:43 pmBGR - STL
1 stop14h 57mMultiple Airlines
Deal found 9/15$287
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/18:00 amSTL - BGR
1 stop6h 30mUnited Airlines
Sat 10/44:41 pmBGR - STL
1 stop8h 06mUnited Airlines
Deal found 9/15$289
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/259:58 amSTL - BGR
1 stop5h 56mAmerican Airlines
Sat 11/111:34 amBGR - STL
2 stops11h 34mAmerican Airlines
Deal found 9/15$292
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:33 pmSTL - BGR
1 stop25h 30mMultiple Airlines
Thu 10/307:43 pmBGR - STL
2 stops21h 14mMultiple Airlines
Deal found 9/15$295
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:33 pmSTL - BGR
1 stop25h 30mMultiple Airlines
Fri 10/316:50 pmBGR - STL
2 stops24h 20mMultiple Airlines
Deal found 9/15$296
This Delta deal was found by Cheapflights users on 9/15. 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 10/11:26 pmSTL - BGR
2 stops9h 03mDelta
Sat 10/46:00 amBGR - STL
2 stops11h 05mDelta
Deal found 9/15$299

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Bangor 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 16, 2025.
Use the filters below to find and compare flights from St. Louis to Bangor that are best for you.

Fly from

St. Louis

Fly to

Bangor

Route

Depart

Return

Price

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Thu 11/6

6:00 am-12:11 pm

1 stop5h 11m

Bangor

Sat 11/8

3:52 pm-9:00 pm

1 stop6h 08m

$259

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Tue 10/28

9:31 am-4:23 pm

1 stop5h 52m

Bangor

Tue 11/4

5:19 am-12:20 pm

1 stop8h 01m

$259

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Sat 10/18

7:05 am-6:18 pm

2 stops10h 13m

Bangor

Tue 10/28

5:19 am-2:43 pm

2 stops10h 24m

$269

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Sat 10/18

6:00 am-6:18 pm

2 stops11h 18m

Bangor

Sat 10/25

1:45 pm-11:06 pm

2 stops10h 21m

$269

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Mon 10/20

5:40 pm-11:28 pm

1 stop4h 48m

Bangor

Tue 10/28

5:19 am-12:20 pm

1 stop8h 01m

$274

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Mon 10/20

5:40 pm-11:28 pm

1 stop4h 48m

Bangor

Sat 10/25

1:45 pm-11:06 pm

2 stops10h 21m

$279

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Sat 10/25

4:33 pm-7:03 pm

1 stop25h 30m

Bangor

Sun 11/2

7:43 pm-9:40 am

1 stop14h 57m

$287

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Wed 10/1

8:00 am-3:30 pm

1 stop6h 30m

Bangor

Sat 10/4

4:41 pm-11:47 pm

1 stop8h 06m

$289

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Sat 10/25

4:33 pm-7:03 pm

1 stop25h 30m

Bangor

Fri 10/31

6:50 pm-6:10 pm

2 stops24h 20m

$296

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Sat 9/27

3:23 pm-9:40 pm

1 stop5h 17m

$346

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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

Have a flexible travel schedule? Discover the best time to fly to Bangor from St. Louis 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 St. Louis to Bangor

How far ahead should I book a flight from St. Louis to Bangor, Maine?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Bangor. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from St. Louis to Bangor, Maine, you should look to book at least 61 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, October is the cheapest month in which you can book a flight from St. Louis to Bangor, Maine (average of $358). Flying from St. Louis to Bangor, Maine in December is currently the most expensive (average of $491). 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 Bangor

Get insights into the airlines that provide service to Bangor. 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 Bangor. Reviews last updated September 16, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from St. Louis to Bangor have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

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!
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

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
7,957 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

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 St. Louis to Bangor. 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 St. Louis to Bangor, Maine?

    Airlines like American Airlines and Delta fly from St. Louis to Bangor, Maine in about 5h 11m. The time it takes to get you to your destination can typically vary by up to 41m. The distance between St. Louis and Bangor, Maine is about 1181 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from St. Louis to Bangor, Maine round-trip from $201. Other airlines that can offer you cheap pricing are Delta, from $229, and American Airlines, from $258. Users have found that United Airlines is 51% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Bangor 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 St. Louis to Bangor, Maine?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Bangor, Maine (average of $358). Flying from St. Louis to Bangor, Maine in December is currently the most expensive (average of $491). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from St. Louis to Bangor

Discover the top 3 airlines that operate flights from St. Louis to Bangor. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$201Average$258FlexibilityNo cancel feeOn-time69%
DeltaCheapest$229Average$384FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$404FlexibilityNo cancel feeOn-time71%

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