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$99+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SDF
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$257
(Kiwi.com)

One-way from

$99
(Expedia)

Popular in

August

Cheapest in

June

Average price

$397
Provider with most accurate pricing for Portland-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-Louisville Intl flights.
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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. 17% potential increase in price ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/126:29 pmBGR - SDF
1 stop25h 34mAllegiant Air
Mon 11/179:33 pmSDF - BGR
1 stop20h 23mAllegiant Air
Deal found 10/29$257
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 12/2512:50 pmBGR - SDF
1 stop5h 29mAmerican Airlines
Thu 1/17:00 amSDF - BGR
1 stop6h 08mAmerican Airlines
Deal found 10/27$294
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:30 amPWM - SDF
1 stop7h 58mUnited Airlines
Thu 1/19:05 amSDF - PWM
1 stop5h 09mUnited Airlines
Deal found 10/28$297
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/1211:32 amBGR - SDF
2 stops10h 57mUnited Airlines
Mon 11/176:25 amSDF - BGR
1 stop5h 14mUnited Airlines
Deal found 10/29$314
This Delta deal was found by Cheapflights users on 10/29. 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.
Sat 12/66:08 amPWM - SDF
1 stop7h 08mDelta
Tue 12/97:50 amSDF - PWM
1 stop4h 23mDelta
Deal found 10/29$315
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/136:16 amBOS - SDF
1 stop26h 48mMultiple Airlines
Sun 11/1610:04 amSDF - BOS
2 stops21h 58mMultiple Airlines
Deal found 10/26$318
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/610:15 amPWM - SDF
2 stops12h 14mUnited Airlines
Tue 12/99:55 amSDF - PWM
1 stop4h 24mUnited Airlines
Deal found 10/29$320
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Tue 12/305:30 pmBOS - SDF
1 stop6h 00mAmerican Airlines
Fri 1/26:27 amSDF - BOS
1 stop5h 06mAmerican Airlines
Deal found 10/26$324
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:21 pmPWM - SDF
1 stop4h 29mAmerican Airlines
Thu 1/13:44 pmSDF - PWM
1 stop7h 07mAmerican Airlines
Deal found 10/28$326
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 12/145:45 amBOS - SDF
1 stop28h 46mMultiple Airlines
Mon 1/58:53 pmSDF - BOS
2 stops26h 55mMultiple Airlines
Deal found 10/27$329
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1111:28 amBOS - SDF
2 stops23h 03mMultiple Airlines
Sun 12/1411:55 amSDF - BOS
1 stop12h 01mMultiple Airlines
Deal found 10/28$330
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/68:11 pmBOS - SDF
2 stops14h 49mSpirit Airlines
Mon 12/811:55 amSDF - BOS
3 stops31h 11mSpirit Airlines
Deal found 10/27$331

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 October 29, 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

Thu 12/25

12:50 pm-6:19 pm

1 stop5h 29m

Louisville Intl

Thu 1/1

7:00 am-1:08 pm

1 stop6h 08m

$294

PortlandLouisville

PWM - SDF

PWMSDF

Portland

Thu 12/25

9:30 am-5:28 pm

1 stop7h 58m

Louisville Intl

Thu 1/1

9:05 am-2:14 pm

1 stop5h 09m

$297

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Wed 11/12

11:32 am-10:29 pm

2 stops10h 57m

Louisville Intl

Mon 11/17

6:25 am-11:39 am

1 stop5h 14m

$314

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Tue 2/24

4:01 pm-9:17 pm

1 stop5h 16m

Louisville Intl

Sat 2/28

11:16 am-3:36 pm

1 stop4h 20m

$329

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Sun 12/14

12:59 pm-3:50 pm

Nonstop2h 51m

Louisville Intl

Mon 1/5

3:00 pm-5:26 pm

Nonstop2h 26m

$333

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Fri 1/16

11:30 am-2:20 pm

Nonstop2h 50m

Louisville Intl

Mon 1/19

12:55 pm-3:09 pm

Nonstop2h 14m

$333

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Tue 12/2

9:05 am-4:35 pm

2 stops7h 30m

Louisville Intl

Tue 12/9

12:55 pm-9:05 pm

2 stops8h 10m

$334

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Sat 11/22

7:05 am-1:12 pm

1 stop6h 07m

Louisville Intl

Mon 11/24

4:15 pm-6:46 pm

Nonstop2h 31m

$337

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Fri 12/5

1:35 pm-11:05 pm

1 stop9h 30m

Louisville Intl

Mon 12/8

11:45 am-7:20 pm

2 stops7h 35m

$348

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Wed 11/12

5:23 am-10:39 am

1 stop5h 16m

Louisville Intl

Wed 11/19

6:50 am-12:11 pm

1 stop5h 21m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 57 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 $230). Flying from Maine to Louisville in February is currently the most expensive (average of $331). 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, United Airlines, and Delta fly from Maine to Louisville in about 2h 51m. The time it takes to get you to your destination can typically vary by up to 5h 07m. The distance between Maine and Louisville is about 827 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 ($134), Delta ($162), and Allegiant Air ($174).

  • 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 $230). Flying from Maine to Louisville in February is currently the most expensive (average of $331). 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

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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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$376FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$379FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$376Average$457FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$387Average$532FlexibilityNo cancel feeOn-time63%

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