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Bangor

$199+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BGR
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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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 October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$258
(Kiwi.com)

One-way from

$199
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$386
Provider with most accurate pricing for Lambert-St Louis-Bangor flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Bangor flights.
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From Lambert-St Louis to Bangor
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One-way flight from Lambert-St Louis to Bangor
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Highest demand for flights based on searches. 22% potential increase in price ($115 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:45 pmSTL - BGR
2 stops21h 38mMultiple Airlines
Tue 11/189:52 amBGR - STL
1 stop25h 13mMultiple Airlines
Deal found 10/19$258
This Delta deal was found by Cheapflights users on 10/19. 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.
Mon 11/105:14 pmSTL - BGR
1 stop5h 14mDelta
Tue 11/185:16 amBGR - STL
1 stop8h 24mDelta
Deal found 10/19$259
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:12 pmSTL - BGR
1 stop24h 22mMultiple Airlines
Tue 11/186:46 pmBGR - STL
2 stops29h 15mMultiple Airlines
Deal found 10/19$267
This Delta deal was found by Cheapflights users on 10/19. 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.
Mon 11/102:36 pmSTL - BGR
2 stops7h 52mDelta
Sat 11/156:00 amBGR - STL
2 stops8h 51mDelta
Deal found 10/19$269
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:45 pmSTL - BGR
2 stops21h 38mMultiple Airlines
Fri 11/147:24 pmBGR - STL
1 stop21h 14mMultiple Airlines
Deal found 10/19$277
This Delta deal was found by Cheapflights users on 10/19. 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.
Sat 11/86:00 amSTL - BGR
2 stops11h 18mDelta
Wed 11/195:16 amBGR - STL
1 stop8h 24mDelta
Deal found 10/19$279
This Delta deal was found by Cheapflights users on 10/19. 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.
Sat 11/86:00 amSTL - BGR
2 stops11h 18mDelta
Sat 11/156:00 amBGR - STL
2 stops8h 51mDelta
Deal found 10/19$284
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/84:33 pmSTL - BGR
1 stop25h 30mMultiple Airlines
Mon 11/176:50 pmBGR - STL
2 stops39h 17mMultiple Airlines
Deal found 10/19$285
This Kiwi.com deal was found by Cheapflights users on 10/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:45 pmSTL - BGR
2 stops21h 38mMultiple Airlines
Thu 11/207:43 pmBGR - STL
1 stop29h 14mMultiple Airlines
Deal found 10/19$291
This Delta deal was found by Cheapflights users on 10/19. 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.
Sat 11/87:05 amSTL - BGR
2 stops10h 13mDelta
Fri 11/145:16 amBGR - STL
1 stop8h 24mDelta
Deal found 10/19$294

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 October 20, 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

Mon 11/10

5:14 pm-11:28 pm

1 stop5h 14m

Bangor

Tue 11/18

5:16 am-12:40 pm

1 stop8h 24m

$259

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Fri 11/14

5:14 pm-11:28 pm

1 stop5h 14m

Bangor

Sat 11/15

6:00 am-11:44 am

1 stop6h 44m

$259

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Fri 11/14

5:14 pm-11:28 pm

1 stop5h 14m

Bangor

Tue 11/18

5:16 am-12:40 pm

1 stop8h 24m

$259

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Wed 11/12

9:35 am-4:49 pm

1 stop6h 14m

Bangor

Sat 11/15

6:00 am-11:44 am

1 stop6h 44m

$259

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Thu 11/13

2:36 pm-11:28 pm

2 stops7h 52m

Bangor

Sat 11/15

6:00 am-11:44 am

1 stop6h 44m

$264

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Mon 11/10

2:36 pm-11:28 pm

2 stops7h 52m

Bangor

Wed 11/19

5:16 am-12:40 pm

1 stop8h 24m

$264

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Mon 11/10

1:55 pm-11:28 pm

2 stops8h 33m

Bangor

Sat 11/15

6:00 am-11:44 am

1 stop6h 44m

$264

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Thu 11/13

6:40 am-2:22 pm

2 stops6h 42m

Bangor

Wed 11/19

5:16 am-12:40 pm

1 stop8h 24m

$264

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Tue 12/2

6:00 am-12:11 pm

1 stop5h 11m

$199

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Tue 12/2

2:11 pm-11:27 pm

2 stops8h 16m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 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 FlightHub the most. FlightHub 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 October 17, 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 $251). Flying from St. Louis to Bangor, Maine in January is currently the most expensive (average of $332). 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 St. Louis to Bangor, Maine?

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 October 20, 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
7,978 reviews

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,978 reviews
Delta
7.9
Good
7,978 reviews

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,991 reviews
Delta
7.9
Good
7,978 reviews

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,024 reviews
Delta
7.9
Good
7,978 reviews

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 Delta fly from St. Louis to Bangor, Maine in about 5h 14m. The time it takes to get you to your destination can typically vary by up to . The distance between St. Louis and Bangor, Maine is about 1181 mi.

  • 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 50% 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 $251). Flying from St. Louis to Bangor, Maine in January is currently the most expensive (average of $332). 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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$201Average$388FlexibilityNo cancel feeOn-time69%
DeltaCheapest$229Average$349FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$401FlexibilityNo cancel feeOn-time71%

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