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Bangor

$133+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BGR
Jul 13 — Jul 201
Sun 7/13
Sun 7/20
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 July 8, 2025.

Round-trip from

$259
(Delta)

One-way from

$133
(Mytrip)

Popular in

January

Cheapest in

February

Average price

$508
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 ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 8, 2025.

This Delta deal was found by Cheapflights users on 7/6. 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 8/123:10 pmSTL - BGR
1 stop7h 24mDelta
Tue 8/195:11 amBGR - STL
1 stop6h 59mDelta
Deal found 7/6$259
This American Airlines deal was found by Cheapflights users on 7/6. 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 10/186:00 amSTL - BGR
1 stop9h 45mAmerican Airlines
Wed 10/225:21 pmBGR - STL
1 stop4h 59mAmerican Airlines
Deal found 7/6$275
This United Airlines deal was found by Cheapflights users on 7/6. 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 9/33:20 pmSTL - BGR
1 stop5h 20mUnited Airlines
Wed 9/106:11 pmBGR - STL
1 stop6h 33mUnited Airlines
Deal found 7/6$339
This Mytrip deal was found by Cheapflights users on 7/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/910:45 amSTL - BGR
3 stops30h 24mMultiple Airlines
Thu 8/147:48 pmBGR - STL
3 stops23h 53mMultiple Airlines
Deal found 7/7$387

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 July 8, 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

Tue 8/12

3:10 pm-11:34 pm

1 stop7h 24m

Bangor

Tue 8/19

5:11 am-11:10 am

1 stop6h 59m

$259

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Sat 10/18

6:00 am-4:45 pm

1 stop9h 45m

Bangor

Wed 10/22

5:21 pm-9:20 pm

1 stop4h 59m

$275

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Wed 9/3

3:20 pm-9:40 pm

1 stop5h 20m

Bangor

Wed 9/10

6:11 pm-11:44 pm

1 stop6h 33m

$339

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Sat 8/9

10:45 am-6:09 pm

3 stops30h 24m

Bangor

Thu 8/14

7:48 pm-6:41 pm

3 stops23h 53m

$387

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Mon 8/11

10:47 am-1:02 pm

2 stops25h 15m

$133

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Mon 8/4

6:00 am-11:46 am

1 stop4h 46m

$162

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Sat 8/16

7:00 am-9:18 pm

2 stops13h 18m

$167

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Mon 8/11

8:25 am-12:02 pm

3 stops26h 37m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

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 27, 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 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.

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 July 8, 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
7,958 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
7,958 reviews
Delta
8.0
Very good
7,958 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
8,844 reviews
Delta
8.0
Very good
7,958 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
7,958 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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.

  • 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 $275, and United Airlines, from $339. 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 American Airlines ($162), Delta ($167), and United Airlines ($439).

  • 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 July 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$201Average$258FlexibilityNo cancel feeOn-time69%
DeltaCheapest$229Average$325FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$397FlexibilityNo cancel feeOn-time71%

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