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$145+ Cheap flights from Bangor, ME to St. Louis (BGR - STL)

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
BGR — STL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Bangor to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Bangor (BGR) to St. Louis (STL). 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

$351
(Delta)

One-way from

$145
(Mytrip)

Popular in

January

Cheapest in

November

Average price

$492
From Bangor to Lambert-St Louis
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One-way flight from Bangor to Lambert-St Louis
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Highest demand for flights based on searches. 6% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 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 Bangor to St. Louis

Cheapest flights from Bangor to St. Louis
Explore the most affordable flight options available from Bangor to St. Louis. 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.
Thu 7/32:50 pmBGR - STL
1 stop7h 03mDelta
Sat 7/122:00 pmSTL - BGR
1 stop6h 01mDelta
Deal found 6/9$351
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 6/204:15 pmBGR - STL
1 stop7h 30mUnited Airlines
Mon 6/238:10 amSTL - BGR
1 stop5h 44mUnited Airlines
Deal found 6/10$499
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1912:59 pmBGR - STL
1 stop8h 20mAmerican Airlines
Mon 6/234:58 pmSTL - BGR
1 stop5h 07mAmerican Airlines
Deal found 6/10$511
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/51:04 pmBGR - STL
3 stops30h 37mMultiple Airlines
Sat 7/129:50 amSTL - BGR
3 stops23h 44mMultiple Airlines
Deal found 6/10$572

Cheapflights Fare Finder

Customize your flight search to find flights from Bangor to St. Louis 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 Bangor to St. Louis that are best for you.

Fly from

Bangor

Fly to

St. Louis

Route

Depart

Return

Price

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Thu 7/3

2:50 pm-8:53 pm

1 stop7h 03m

Lambert-St Louis

Sat 7/12

2:00 pm-9:01 pm

1 stop6h 01m

$351

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Sat 7/5

1:04 pm-6:41 pm

3 stops30h 37m

Lambert-St Louis

Sat 7/12

9:50 am-10:34 am

3 stops23h 44m

$572

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Wed 6/25

4:15 pm-10:45 pm

1 stop7h 30m

Lambert-St Louis

Sun 6/29

6:33 am-3:34 pm

1 stop8h 01m

$607

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Wed 7/2

12:04 pm-5:04 pm

2 stops30h 00m

$145

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Wed 7/2

2:37 pm-7:15 pm

1 stop5h 38m

$162

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Fri 7/4

5:08 am-4:18 pm

2 stops12h 10m

$195

BangorSt. Louis

BGR - STL

BGRSTL

Bangor

Sat 7/5

6:20 am-10:42 am

1 stop5h 22m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Bangor to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Bangor 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 Bangor to St. Louis

What is the cheapest month to book a flight from Bangor, Maine to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Bangor, Maine to St. Louis (average of $311). Flying from Bangor, Maine to St. Louis in March is currently the most expensive (average of $356). 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 St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated June 12, 2025.
To help decide which airline to fly from Bangor to St. Louis, see what other customers have to say about Delta, United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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 Bangor to St. Louis. 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 Bangor, Maine to St. Louis round-trip?

    Cheapflights users have booked flights from Bangor, Maine to St. Louis round-trip from $351. Another airline that can offer you cheap pricing is United Airlines. These flights start at 10% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $162. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Bangor, Maine to St. Louis for a low price.

  • Can I find deals for flights from Bangor to St. Louis that include hotel bookings?

    Yes. In addition to deals on Bangor to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bangor to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangor to St. Louis.

  • Can I find deals for business class flights from Bangor to St. Louis?

    Yes. Cheapflights offers flight deals from Bangor to St. Louis 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 Bangor, Maine to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Bangor, Maine to St. Louis (average of $311). Flying from Bangor, Maine to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near Bangor?

Book flights to Bangor if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Festus
Alton
Farmington

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Top 2 airlines flying from Bangor to St. Louis

Discover the top 2 airlines that operate flights from Bangor to St. Louis. 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
American AirlinesCheapest$258Average$387FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$353FlexibilityNo cancel feeOn-timeN/A

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