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Bangor

$294+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BGR
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap 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 January 20, 2026.

This American Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/36:00 am
STL
-
BGR
1 stop5h 26m
American Airlines
Sat 2/146:11 pm
BGR
-
STL
1 stop5h 41m
American Airlines
Deal found 1/19$294
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/39:54 am
STL
-
BGR
1 stop5h 38m
American Airlines
Sat 2/712:26 pm
BGR
-
STL
1 stop5h 35m
American Airlines
Deal found 1/19$309
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/36:25 am
STL
-
BGR
1 stop4h 59m
Delta
Sat 2/71:09 pm
BGR
-
STL
2 stops11h 27m
Delta
Deal found 1/19$314
This American Airlines deal was found by Cheapflights users on 1/18. 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 8/55:46 pm
STL
-
BGR
1 stop4h 58m
American Airlines
Wed 8/127:00 am
BGR
-
STL
1 stop6h 09m
American Airlines
Deal found 1/18$360
This American Airlines deal was found by Cheapflights users on 1/18. 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 5/289:22 am
STL
-
BGR
1 stop6h 11m
American Airlines
Thu 6/45:30 am
BGR
-
STL
1 stop6h 09m
American Airlines
Deal found 1/18$380
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am
STL
-
BGR
1 stop5h 04m
Delta
Tue 9/153:00 pm
BGR
-
STL
2 stops9h 37m
Delta
Deal found 1/19$394
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Tue 2/38:05 am
STL
-
BGR
2 stops11h 09m
United Airlines
Sat 2/78:14 am
BGR
-
STL
2 stops10h 29m
United Airlines
Deal found 1/18$400
This American Airlines deal was found by Cheapflights users on 1/17. 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 5/299:22 am
STL
-
BGR
1 stop6h 11m
American Airlines
Mon 6/15:30 am
BGR
-
STL
1 stop6h 09m
American Airlines
Deal found 1/17$416
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 9/16:20 am
STL
-
BGR
1 stop7h 49m
American Airlines
Mon 9/77:00 am
BGR
-
STL
1 stop6h 09m
American Airlines
Deal found 1/20$440
This Delta deal was found by Cheapflights users on 1/18. 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.
Thu 5/286:00 am
STL
-
BGR
1 stop5h 04m
Delta
Thu 6/46:00 am
BGR
-
STL
2 stops8h 17m
Delta
Deal found 1/18$490

Find 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 January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$294
(American Airlines)

Popular in

January

Cheapest in

February

Average price

$636
Provider with most accurate pricing for Lambert-St Louis-Bangor flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Bangor flights.
Search Deals
From Lambert-St Louis to Bangor
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 20, 2026.
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

Tue 2/3

6:00 am-12:26 pm

1 stop5h 26m

Bangor

Sat 2/14

6:11 pm-10:52 pm

1 stop5h 41m

$294

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Tue 2/3

9:54 am-4:32 pm

1 stop5h 38m

Bangor

Sat 2/7

12:26 pm-5:01 pm

1 stop5h 35m

$309

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Tue 2/3

6:25 am-12:24 pm

1 stop4h 59m

Bangor

Sat 2/7

1:09 pm-11:36 pm

2 stops11h 27m

$314

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Tue 2/3

8:05 am-8:14 pm

2 stops11h 09m

Bangor

Sat 2/7

8:14 am-5:43 pm

2 stops10h 29m

$400

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Mon 2/23

7:41 am-6:34 pm

2 stops9h 53m

Bangor

Wed 2/25

6:35 am-4:02 pm

2 stops10h 27m

$557

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Sat 5/23

7:20 am-1:35 pm

1 stop5h 15m

$296

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Sat 7/11

6:45 am-4:01 pm

2 stops8h 16m

$331

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Sat 7/11

5:46 pm-11:54 pm

1 stop5h 08m

$366

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Sat 5/23

5:18 pm-11:23 am

3 stops17h 05m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Compare providers for flights from St. Louis to Bangor

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 St. Louis to Bangor in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 St. Louis-Bangor, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Bangor, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Bangor, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Bangor, Maine flights, Cheapflights users trust Expedia the most. Expedia 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 St. Louis-Bangor, Maine 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 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 January 16, 2026.

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, July is the cheapest month in which you can book a flight from St. Louis to Bangor, Maine (average of $229). Flying from St. Louis to Bangor, Maine in January is currently the most expensive (average of $393). 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 January 20, 2026.
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
7.9
Good
8,080 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

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.
Delta
7.9
Good
8,080 reviews
Delta
7.9
Good
8,080 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

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.
United Airlines
7.4
Good
9,183 reviews
Delta
7.9
Good
8,080 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

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.
American Airlines
7.2
Good
11,164 reviews
Delta
7.9
Good
8,080 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Entertainment

7.8

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 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, Delta, and United Airlines fly from St. Louis to Bangor, Maine in about 4h 59m. The time it takes to get you to your destination can typically vary by up to 6h 10m. 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 49% 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, July is the cheapest month in which you can book a flight from St. Louis to Bangor, Maine (average of $229). Flying from St. Louis to Bangor, Maine in January is currently the most expensive (average of $393). 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

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

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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$201Average$338FlexibilityNo cancel feeOn-time69%
DeltaCheapest$229Average$384FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$393FlexibilityNo cancel feeOn-time71%

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