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$85+ Cheap flights from Maine to Louisville (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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SDF
Sep 10 — Sep 171
Wed 9/10
Wed 9/17
1 adult, Economy
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Cheap flight deals from Maine to Louisville

Keep the following information in mind while searching for Maine to Louisville flight deals. Data was last updated September 5, 2025.

Round-trip from

$259
(American Airlines)

One-way from

$85
(Kiwi.com)

Popular in

August

Cheapest in

June

Average price

$361
From Maine to Louisville Intl
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One-way flight from Maine to Louisville Intl
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Highest demand for flights based on searches. 18% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Maine to Louisville

Cheapest flights from Maine to Louisville
Explore the most affordable flight options available from Maine to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 5, 2025.

This American Airlines deal was found by Cheapflights users on 9/4. 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 9/264:00 pmBGR - SDF
1 stop5h 30mAmerican Airlines
Thu 10/27:35 pmSDF - BGR
1 stop4h 13mAmerican Airlines
Deal found 9/4$259
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Tue 9/1612:20 pmBOS - SDF
1 stop20h 59mSpirit Airlines
Fri 9/198:23 amSDF - BOS
1 stop15h 34mSpirit Airlines
Deal found 9/2$263
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 10/154:49 pmBOS - SDF
2 stops25h 14mSpirit Airlines
Sun 10/196:58 pmSDF - BOS
1 stop16h 28mSpirit Airlines
Deal found 9/3$264
This Delta deal was found by Cheapflights users on 9/4. 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 9/255:23 amBGR - SDF
2 stops13h 05mDelta
Wed 10/15:00 pmSDF - BGR
1 stop6h 29mDelta
Deal found 9/4$264
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 9/1012:20 pmBOS - SDF
1 stop29h 26mMultiple Airlines
Mon 9/158:23 amSDF - BOS
1 stop26h 50mMultiple Airlines
Deal found 9/3$265
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Thu 9/259:28 amBOS - SDF
2 stops12h 36mMultiple Airlines
Sun 9/288:23 amSDF - BOS
1 stop26h 50mMultiple Airlines
Deal found 9/2$266
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Thu 10/29:28 amBOS - SDF
2 stops12h 36mMultiple Airlines
Mon 10/611:01 amSDF - BOS
1 stop24h 25mMultiple Airlines
Deal found 9/2$267
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Fri 10/36:10 amBOS - SDF
1 stop15h 54mMultiple Airlines
Mon 10/69:30 pmSDF - BOS
2 stops25h 22mMultiple Airlines
Deal found 9/3$268
This Delta deal was found by Cheapflights users on 9/2. 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 9/301:02 pmBOS - SDF
Nonstop2h 36mDelta
Tue 10/74:25 pmSDF - BOS
Nonstop2h 34mDelta
Deal found 9/2$269
This Priceline deal was found by Cheapflights users on 9/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:16 amBOS - SDF
1 stop10h 20mSpirit Airlines
Sun 10/127:15 amSDF - BOS
1 stop6h 05mSpirit Airlines
Deal found 9/3$271
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 9/1012:20 pmBOS - SDF
1 stop29h 26mMultiple Airlines
Wed 9/1710:14 amSDF - BOS
2 stops24h 59mMultiple Airlines
Deal found 9/2$272
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Thu 11/139:39 amBOS - SDF
2 stops14h 06mMultiple Airlines
Sat 11/1510:55 amSDF - BOS
1 stop13h 45mMultiple Airlines
Deal found 9/2$273

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maine 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 September 5, 2025.
Use the filters below to find and compare flights from Maine to Louisville that are best for you.

Fly from

Maine

Fly to

Louisville

Route

Depart

Return

Price

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Fri 9/26

4:00 pm-9:30 pm

1 stop5h 30m

Louisville Intl

Thu 10/2

7:35 pm-11:48 pm

1 stop4h 13m

$259

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 10/15

4:49 pm-6:03 pm

2 stops25h 14m

Louisville Intl

Sun 10/19

6:58 pm-11:26 am

1 stop16h 28m

$264

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Thu 9/25

5:23 am-6:28 pm

2 stops13h 05m

Louisville Intl

Wed 10/1

5:00 pm-11:29 pm

1 stop6h 29m

$264

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 9/10

12:20 pm-5:46 pm

1 stop29h 26m

Louisville Intl

Mon 9/15

8:23 am-11:13 am

1 stop26h 50m

$265

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Sat 11/1

6:17 am-10:47 pm

2 stops16h 30m

Louisville Intl

Sat 11/8

10:55 am-12:40 am

1 stop13h 45m

$266

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Thu 10/2

6:10 am-10:04 pm

1 stop15h 54m

Louisville Intl

Fri 10/3

9:51 am-11:57 pm

1 stop14h 06m

$267

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Sat 10/18

12:31 pm-6:03 pm

1 stop29h 32m

Louisville Intl

Thu 10/23

7:15 am-11:59 pm

2 stops16h 44m

$267

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Fri 10/3

6:10 am-10:04 pm

1 stop15h 54m

Louisville Intl

Mon 10/6

9:30 pm-10:52 pm

2 stops25h 22m

$268

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 10/22

10:00 am-12:47 pm

Nonstop2h 47m

Louisville Intl

Tue 10/28

1:20 pm-3:43 pm

Nonstop2h 23m

$269

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Tue 2/24

6:00 am-4:52 pm

2 stops10h 52m

Louisville Intl

Sat 2/28

12:40 pm-11:24 pm

2 stops10h 44m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 42 results
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Best time to book a flight from Maine to Louisville

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

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

Currently, January is the cheapest month in which you can book a flight from Maine to Louisville (average of $299). Flying from Maine to Louisville in April is currently the most expensive (average of $369). 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.

Related info for your journey

Find useful and relevant information for your journey from Maine to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Louisville from Maine?

    Louisville Intl (SDF) is the airport you will fly into if you book a flight from Maine to Louisville. It is only a 5.3 mi journey from Louisville Intl (SDF) to Louisville’s city center.

  • How long is the flight from Maine to Louisville?

    Airlines like American Airlines, Spirit Airlines, and Delta fly from Maine to Louisville in about 5h 30m. The time it takes to get you to your destination can typically vary by up to 19h 44m. The distance between Maine and Louisville is about 985 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Maine to Louisville one-way?

    The cheapest airlines for a one-way flight from Maine to Louisville are Spirit Airlines ($85), American Airlines ($128), and Delta ($133).

  • What are the most popular routes from Maine to Louisville?

    The most popular route from Maine to Louisville is Boston Logan Intl - Louisville Intl. You may also consider Portland - Louisville Intl or Bangor - Louisville Intl.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Maine to Louisville (average of $299). Flying from Maine to Louisville in April is currently the most expensive (average of $369). 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
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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Alternative routes for Maine to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Maine to Louisville

Discover the top 4 airlines that operate flights from Maine 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 September 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$224Average$389FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$367FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$316Average$496FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$321Average$466FlexibilityNo cancel feeOn-time63%

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