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$236+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BGR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Bangor are usually found in February or November, booked 69 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 June 12, 2025.

Round-trip from

$259
(Delta)

One-way from

$236
(Delta)

Popular in

January

Cheapest in

February

Average price

$486
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. 8% potential increase in price ($35 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 June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/9. 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 8/301:05 pmSTL - BGR
1 stop7h 13mDelta
Wed 9/34:59 pmBGR - STL
1 stop5h 30mDelta
Deal found 6/9$259
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/225:26 pmSTL - BGR
1 stop16h 48mMultiple Airlines
Sat 7/266:30 pmBGR - STL
3 stops25h 11mMultiple Airlines
Deal found 6/11$281
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:00 pmSTL - BGR
1 stop4h 43mAmerican Airlines
Wed 10/84:59 pmBGR - STL
1 stop7h 30mAmerican Airlines
Deal found 6/12$282
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 9/193:20 pmSTL - BGR
1 stop5h 20mUnited Airlines
Tue 9/236:10 amBGR - STL
2 stops10h 34mUnited Airlines
Deal found 6/10$409

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 June 12, 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

Sat 8/30

1:05 pm-9:18 pm

1 stop7h 13m

Bangor

Wed 9/3

4:59 pm-9:29 pm

1 stop5h 30m

$259

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Tue 7/22

5:26 pm-11:14 am

1 stop16h 48m

Bangor

Sat 7/26

6:30 pm-6:41 pm

3 stops25h 11m

$281

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Fri 8/8

4:54 pm-10:55 pm

1 stop5h 01m

Bangor

Mon 8/18

5:18 pm-9:02 pm

1 stop4h 44m

$323

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Sat 7/12

5:30 pm-9:59 pm

1 stop27h 29m

Bangor

Fri 7/25

4:20 pm-10:45 pm

1 stop7h 25m

$439

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Mon 6/30

9:19 am-4:08 pm

1 stop5h 49m

$236

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Wed 6/18

8:25 am-8:44 pm

3 stops35h 19m

$758

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Wed 6/18

8:05 pm-11:50 am

1 stop14h 45m

$946

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 9, 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 69 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 July is currently the most expensive (average of $499). 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.

Rainfall in Bangor by month

Plan your trip to Bangor by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bangor, Maine ranges from 2.5 - 4.2 inches per month. October is typically the wettest month, when rainfall can reach 4.2 in. February is typically the driest time to visit Bangor, Maine when rainfall is around 2.5 in.

Temperature in Bangor by month

Plan your trip to Bangor by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bangor, Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

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 June 12, 2025.
To help decide which airline to fly from St. Louis to Bangor, see what other customers have to say about Delta, United Airlines and American Airlines. 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
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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 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.

  • 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 $259. Other airlines that can offer you cheap pricing are American Airlines, from $282, and United Airlines, from $409. Users have found that Delta is 34% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from St. Louis to Bangor, Maine one-way?

    The cheapest airlines for a one-way flight from St. Louis to Bangor, Maine are Delta ($236), United Airlines ($758), and American Airlines ($946).

  • 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 July is currently the most expensive (average of $499). 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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$201Average$338FlexibilityNo cancel feeOn-time69%
DeltaCheapest$229Average$343FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$401FlexibilityNo cancel feeOn-time71%

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