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$260+ Cheap flights from Bangor, ME to Louisville (BGR - SDF)

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
BGR — SDF
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Cheap flight deals from Bangor to Louisville

Cheapest flights from Bangor to Louisville
Explore the most affordable flight options available from Bangor to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.

This Delta deal was found by Cheapflights users on 7/27. 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.
Wed 8/125:20 am
BGR
-
SDF
1 stop5h 45m
Delta
Wed 8/195:59 pm
SDF
-
BGR
1 stop5h 41m
Delta
Deal found 7/27$321
This Delta deal was found by Cheapflights users on 7/27. 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.
Wed 8/125:20 am
BGR
-
SDF
1 stop5h 45m
Delta
Mon 8/175:59 pm
SDF
-
BGR
1 stop5h 41m
Delta
Deal found 7/27$325
This Delta deal was found by Cheapflights users on 7/28. 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.
Fri 9/185:13 am
BGR
-
SDF
1 stop5h 52m
Delta
Mon 9/215:59 pm
SDF
-
BGR
1 stop5h 21m
Delta
Deal found 7/28$348
This Delta deal was found by Cheapflights users on 7/27. 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 8/135:20 am
BGR
-
SDF
1 stop5h 45m
Delta
Sat 8/157:05 am
SDF
-
BGR
1 stop6h 14m
Delta
Deal found 7/27$358
This American Airlines deal was found by Cheapflights users on 7/27. 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 8/156:00 am
BGR
-
SDF
1 stop4h 25m
American Airlines
Mon 8/176:18 pm
SDF
-
BGR
1 stop5h 27m
American Airlines
Deal found 7/27$360
This Delta deal was found by Cheapflights users on 7/27. 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 8/135:20 am
BGR
-
SDF
1 stop5h 45m
Delta
Mon 8/175:59 pm
SDF
-
BGR
1 stop5h 41m
Delta
Deal found 7/27$362
This Delta deal was found by Cheapflights users on 7/27. 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.
Fri 8/145:20 am
BGR
-
SDF
1 stop5h 45m
Delta
Wed 8/195:59 pm
SDF
-
BGR
1 stop5h 41m
Delta
Deal found 7/27$363
This Delta deal was found by Cheapflights users on 7/27. 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.
Fri 8/145:20 am
BGR
-
SDF
1 stop5h 45m
Delta
Mon 8/175:59 pm
SDF
-
BGR
1 stop5h 41m
Delta
Deal found 7/27$367
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 8/156:14 am
BGR
-
SDF
1 stop6h 08m
United Airlines
Sun 8/166:15 am
SDF
-
BGR
1 stop4h 32m
United Airlines
Deal found 7/27$380
This American Airlines deal was found by Cheapflights users on 7/30. 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 9/184:25 pm
BGR
-
SDF
1 stop6h 30m
American Airlines
Mon 9/216:18 am
SDF
-
BGR
1 stop6h 48m
American Airlines
Deal found 7/30$389
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Wed 8/126:44 pm
BGR
-
SDF
2 stops15h 48m
Multiple Airlines
Fri 8/148:30 pm
SDF
-
BGR
1 stop12h 56m
Multiple Airlines
Deal found 7/27$393

Find flight deals from Bangor to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Bangor (BGR) to Louisville (SDF). 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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Delta)

Popular in

April

Cheapest in

January

Average price

$383
Provider with most accurate pricing for Bangor-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bangor-Louisville Intl flights.
Search Deals
From Bangor to Louisville Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bangor to Louisville 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 August 1, 2026.
Use the filters below to find and compare flights from Bangor to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Fri 9/18

5:13 am-11:05 am

1 stop5h 52m

Louisville Intl

Mon 9/21

5:59 pm-11:20 pm

1 stop5h 21m

$368

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Fri 9/25

5:17 am-11:05 am

1 stop5h 48m

Louisville Intl

Sun 9/27

7:05 am-3:34 pm

2 stops8h 29m

$473

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Sat 11/14

11:00 am-5:41 pm

1 stop6h 41m

Louisville Intl

Tue 11/17

6:30 pm-10:19 am

1 stop15h 49m

$598
Cheapest one-way

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Sun 10/18

6:30 pm-2:01 pm

1 stop19h 31m

$260

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Fri 9/25

4:25 pm-10:55 pm

1 stop6h 30m

$309

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Wed 9/9

6:14 am-12:21 pm

1 stop6h 07m

$309
Quickest one-way

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Sat 9/12

4:56 pm-9:27 pm

1 stop4h 31m

$309

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Sat 9/12

6:14 am-12:22 pm

1 stop6h 08m

$309

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Wed 9/9

3:41 pm-10:55 pm

1 stop7h 14m

$309

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Sat 9/12

6:15 am-2:58 pm

2 stops8h 43m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Compare providers for flights from Bangor to Louisville

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 Bangor to Louisville in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Bangor, Maine-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bangor, Maine-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bangor, Maine-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bangor, Maine-Louisville 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 Bangor, Maine-Louisville 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 Bangor to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville 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 Louisville

What is the cheapest month to book a flight from Bangor, Maine to Louisville?

Currently, January is the cheapest month in which you can book a flight from Bangor, Maine to Louisville (average of $278). Flying from Bangor, Maine to Louisville in April is currently the most expensive (average of $720). 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 Bangor, Maine to Louisville?

Airfare is below average for this route at the moment.

Bangor, Maine to Louisville flights typically cost between $336 and $450 in August.
The cheapest round-trip price found within the last 5 days was $321 on Delta (Aug 12-Aug 19).

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated August 1, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Bangor to Louisville to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,062 reviews

Comfort

7.3

Entertainment

7.1

Food

6.7

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Dawn,Jul 2026

ORD - GRR

The crew aboard the plane were not very friendly. They definitely acted like it was a chore to be there.
United Airlines
7.4
Good
10,062 reviews
United Airlines
7.4
Good
10,062 reviews

Comfort

7.3

Entertainment

7.1

Food

6.7

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Dawn,Jul 2026

ORD - GRR

The crew aboard the plane were not very friendly. They definitely acted like it was a chore to be there.
American Airlines
7.1
Good
11,845 reviews
United Airlines
7.4
Good
10,062 reviews

Comfort

7.3

Entertainment

7.1

Food

6.7

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

Dawn,Jul 2026

ORD - GRR

The crew aboard the plane were not very friendly. They definitely acted like it was a chore to be there.

Related info for your journey

Find useful and relevant information for your journey from Bangor to Louisville. 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 Bangor, Maine to Louisville?

    Airlines like United Airlines and Delta fly from Bangor, Maine to Louisville in about 5h 45m. The time it takes to get you to your destination can typically vary by up to 2h 38m. The distance between Bangor, Maine and Louisville is about 985 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Bangor, Maine to Louisville round-trip?

    Our cheapest airline available from Bangor, Maine to Louisville is American Airlines. Our recent data shows that you can find tickets from as low as $258 on this airline. An additional option worth looking into is United Airlines, starting at $339. American Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Bangor to Louisville that include hotel bookings?

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

  • How can I find direct flights from Bangor to Louisville?

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

  • Can I find deals for business class flights from Bangor to Louisville?

    Yes. Cheapflights offers flight deals from Bangor to Louisville 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 Louisville?

    Currently, January is the cheapest month in which you can book a flight from Bangor, Maine to Louisville (average of $278). Flying from Bangor, Maine to Louisville in April is currently the most expensive (average of $720). 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 Louisville?

Book flights to Louisville if you plan to visit one of these locations
Corydon
Shepherdsville
Elizabethtown
Jeffersonville
Bardstown

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Bangor to Louisville

Discover the top 2 airlines that operate flights from Bangor to Louisville. 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 August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$258Average$352FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$339Average$534FlexibilityNo cancel feeOn-time69%

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