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Bangor

$346+ Cheap flights from St. Louis to Bangor, ME (STL - BGR)

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 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BGR
Jan 6 — Jan 131
Tue 1/6
Tue 1/13
1 adult, Economy
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1. Tell us where you want to go

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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

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 December 7, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/5. 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.
Thu 12/112:47 pmSTL - BGR
2 stops26h 23mMultiple Airlines
Thu 12/187:43 pmBGR - STL
1 stop27h 50mMultiple Airlines
Deal found 12/5$383
This American Airlines deal was found by Cheapflights users on 12/5. 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 12/116:00 amSTL - BGR
1 stop5h 08mAmerican Airlines
Thu 12/185:06 pmBGR - STL
1 stop6h 38mAmerican Airlines
Deal found 12/5$445
This American Airlines deal was found by Cheapflights users on 12/5. 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.
Mon 12/156:00 pmSTL - BGR
1 stop4h 55mAmerican Airlines
Wed 12/1712:54 pmBGR - STL
1 stop8h 44mAmerican Airlines
Deal found 12/5$531
This Delta deal was found by Cheapflights users on 12/5. 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 12/159:50 amSTL - BGR
1 stop6h 00mDelta
Wed 12/175:14 amBGR - STL
2 stops9h 39mDelta
Deal found 12/5$536
This United Airlines deal was found by Cheapflights users on 12/5. 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 12/1511:25 amSTL - BGR
2 stops10h 22mUnited Airlines
Wed 12/176:00 amBGR - STL
2 stops10h 40mUnited Airlines
Deal found 12/5$541
This Delta deal was found by Cheapflights users on 12/5. 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 12/1111:40 amSTL - BGR
2 stops10h 47mDelta
Thu 12/185:14 amBGR - STL
2 stops11h 52mDelta
Deal found 12/5$675
This American Airlines deal was found by Cheapflights users on 12/5. 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 12/99:53 amSTL - BGR
1 stop5h 33mAmerican Airlines
Thu 12/114:56 pmBGR - STL
1 stop5h 51mAmerican Airlines
Deal found 12/5$681
This American Airlines deal was found by Cheapflights users on 12/7. 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.
Mon 12/221:59 pmSTL - BGR
1 stop6h 08mAmerican Airlines
Fri 12/265:06 pmBGR - STL
1 stop5h 39mAmerican Airlines
Deal found 12/7$741
This United Airlines deal was found by Cheapflights users on 12/5. 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 12/91:00 pmSTL - BGR
2 stops8h 47mUnited Airlines
Thu 12/1112:45 pmBGR - STL
2 stops26h 38mUnited Airlines
Deal found 12/5$936

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 December 7, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$339
(Delta)

Popular in

December

Cheapest in

February

Average price

$1,123
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. 36% potential increase in price ($262 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease ($61 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 7, 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 12/11

2:47 pm-6:10 pm

2 stops26h 23m

Bangor

Thu 12/18

7:43 pm-10:33 pm

1 stop27h 50m

$383

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Thu 12/11

6:00 am-12:08 pm

1 stop5h 08m

Bangor

Thu 12/18

5:06 pm-10:44 pm

1 stop6h 38m

$445

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Mon 12/15

6:00 pm-11:55 pm

1 stop4h 55m

Bangor

Wed 12/17

12:54 pm-8:38 pm

1 stop8h 44m

$531

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Thu 1/8

11:22 am-8:12 pm

1 stop7h 50m

Bangor

Mon 1/12

8:14 am-2:30 pm

2 stops31h 16m

$534

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Mon 12/15

9:50 am-4:50 pm

1 stop6h 00m

Bangor

Wed 12/17

5:14 am-1:53 pm

2 stops9h 39m

$536

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Mon 12/15

1:00 pm-10:47 pm

2 stops8h 47m

Bangor

Wed 12/17

6:00 am-10:50 am

1 stop5h 50m

$567

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Fri 12/19

5:15 pm-11:27 pm

1 stop5h 12m

$346

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Fri 12/19

8:37 pm-7:09 pm

3 stops45h 32m

$368

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Tue 12/30

9:55 am-12:28 pm

2 stops25h 33m

$915

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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 St. Louis-Bangor, Maine flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Bangor, Maine flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 5, 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, July is the cheapest month in which you can book a flight from St. Louis to Bangor, Maine (average of $232). Flying from St. Louis to Bangor, Maine in December is currently the most expensive (average of $382). 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 December 7, 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
7.9
Good
8,013 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

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
8,013 reviews
Delta
7.9
Good
8,013 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

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
9,072 reviews
Delta
7.9
Good
8,013 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

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
11,046 reviews
Delta
7.9
Good
8,013 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

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, United Airlines, and Delta fly from St. Louis to Bangor, Maine in about 5h 08m. The time it takes to get you to your destination can typically vary by up to 2h 42m. 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 55% 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 $232). Flying from St. Louis to Bangor, Maine in December is currently the most expensive (average of $382). 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 December 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$201Average$388FlexibilityNo cancel feeOn-time69%
DeltaCheapest$229Average$318FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$397FlexibilityNo cancel feeOn-time71%

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