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 Delta, from $289, and United Airlines, from $408. Users have found that American Airlines is 35% cheaper than the other options available to this destination.

What is the cheapest day to fly from St. Louis to Bangor, Maine?

Travelers seeking maximum savings on their St. Louis to Bangor, Maine flight should consider departing on Friday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from St. Louis to Bangor, Maine?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 67% on the overall cost on flights from St. Louis to Bangor, Maine.

How far in advance should I book a flight from St. Louis to Bangor, Maine?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 29 days in advance, which can save you up to 58% on flights from St. Louis to Bangor, Maine compared to booking the week you need them. Waiting 29 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $328. For sooner than that we have options available in the next 3 days from $408.

What is the cheapest month to fly from St. Louis to Bangor, Maine?

February is one of the best times of the year to fly to Bangor, Maine from St. Louis. Prices for February average $399 per person but you can even find prices for as low as $264. The most expensive prices can be found in the month of July. Opting for a February flight can save you 46% on your journey compared to booking in July

What is the cheapest time of day to fly from STL to BGR?

A simple way to save on the total cost of your ticket is to fly from St. Louis to Bangor, Maine at noon. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight in the morning.

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.

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.

$162+ Flights from St. Louis to Bangor, ME

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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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from Lambert-St Louis to Bangor are usually found in February or November, booked 82 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from St. Louis to Bangor

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$259 (American Airlines)
One-way from	$162 (American Airlines)
Popular in	July
Cheapest in	February
Average price	$336

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.

Search Deals

From Lambert-St Louis to Bangor

Search Deals

One-way flight from Lambert-St Louis to Bangor

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($93 potential increase over avg. RT price).

Search Deals

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 March 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 March 27, 2025.

Wed 8/202:39 pmSTL - BGR

1 stop4h 52mAmerican Airlines

Sat 8/235:53 amBGR - STL

1 stop4h 58mAmerican Airlines

Deal found 3/26

$259

Thu 4/106:10 amSTL - BGR

1 stop4h 43mDelta

Tue 4/1512:22 pmBGR - STL

1 stop6h 56mDelta

Deal found 3/26

$289

Sun 8/249:17 amSTL - BGR

1 stop5h 13mUnited Airlines

Sun 8/317:00 amBGR - STL

2 stops9h 44mUnited Airlines

Deal found 3/26

$408

Best flights from St. Louis to Bangor
Discover carefully curated flight deals from St. Louis to Bangor that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 27, 2025.

Wed 8/202:39 pmSTL - BGR

1 stop4h 52mAmerican Airlines

Sat 8/235:53 amBGR - STL

1 stop4h 58mAmerican Airlines

Deal found 3/26

$259

Thu 4/106:10 amSTL - BGR

1 stop4h 43mDelta

Tue 4/1512:22 pmBGR - STL

1 stop6h 56mDelta

Deal found 3/26

$289

Sun 8/249:17 amSTL - BGR

1 stop5h 13mUnited Airlines

Sun 8/317:00 amBGR - STL

2 stops9h 44mUnited Airlines

Deal found 3/26

$408

Last-minute flights from St. Louis to Bangor
Discover last-minute flight deals from St. Louis to Bangor. Data last updated March 27, 2025 and is based on user searches.

Sat 4/51:05 pmSTL - BGR

1 stop5h 14mDelta

Fri 4/115:10 amBGR - STL

1 stop7h 46mDelta

Deal found 3/26

$414

Sat 4/58:00 amSTL - BGR

2 stops9h 40mUnited Airlines

Fri 4/117:00 amBGR - STL

2 stops9h 47mUnited Airlines

Deal found 3/26

$671

Thu 4/106:10 amSTL - BGR

1 stop4h 43mDelta

Tue 4/1512:22 pmBGR - STL

1 stop6h 56mDelta

Deal found 3/26

$289

Wed 4/236:15 amSTL - BGR

1 stop5h 21mAmerican Airlines

Thu 5/15:33 amBGR - STL

1 stop5h 19mAmerican Airlines

Deal found 3/25

$309

One-way flights from St. Louis to Bangor
Search for one-way flight options from St. Louis to Bangor. Find affordable one-way fares based on user searches. Data last updated March 27, 2025.

Fri 5/210:48 amSTL - BGR

1 stop4h 48mAmerican Airlines

Deal found 3/26

$162

Fri 5/29:50 amSTL - BGR

3 stops31h 08mMultiple Airlines

Deal found 3/26

$214

Fri 5/25:29 pmSTL - BGR

2 stops28h 36mUnited Airlines

Deal found 3/26

$283

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Bangor that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Wed 8/20

2:39 pm-8:31 pm

1 stop4h 52m

Bangor

Sat 8/23

5:53 am-9:51 am

1 stop4h 58m

$259

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Thu 4/10

6:10 am-11:53 am

1 stop4h 43m

Bangor

Tue 4/15

12:22 pm-6:18 pm

1 stop6h 56m

$289

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Sun 8/24

9:17 am-3:30 pm

1 stop5h 13m

Bangor

Sun 8/31

7:00 am-3:44 pm

2 stops9h 44m

$408

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Fri 5/2

10:48 am-4:36 pm

1 stop4h 48m

$162

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Fri 5/2

9:50 am-5:58 pm

3 stops31h 08m

$214

St. LouisBangor

STL - BGR

STLBGR

Lambert-St Louis

Fri 5/2

5:29 pm-11:05 pm

2 stops28h 36m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Compare providers for flights from St. Louis to Bangor

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust 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?

To ensure you get the cheapest price possible for a flight from St. Louis to Bangor, Maine, you should look to book at least 82 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 May is currently the most expensive (average of $561). 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

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

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

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

7,895 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,895 reviews

Delta

8.0

Very good

7,895 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,603 reviews

Delta

8.0

Very good

7,895 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,895 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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 Delta, from $289, and United Airlines, from $408. Users have found that American Airlines is 35% 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, 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 May is currently the most expensive (average of $561). 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 2 airlines flying from St. Louis to Bangor

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$258	Average$408	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$258	Average$451	FlexibilityNo cancel fee	On-time71%

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$162+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Bangor with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lambert-St Louis to Bangor are usually found in February or November, booked 82 days in advance, depart on a Tuesday or Friday and return on a Wednesday

Cheap flight deals from St. Louis to Bangor

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Bangor

Cheapest flights from St. Louis to BangorExplore 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 March 27, 2025.

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 March 27, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Bangor that are best for you.

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 March.

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.

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 March 21, 2025.

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

Rainfall in Bangor by month

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

Temperature in Bangor by month

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

Reviews of airlines servicing Bangor

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?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Bangor

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from St. Louis to Bangor

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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 March 27, 2025.