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$106+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SDF
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Expedia deal was found by Cheapflights users on 1/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:27 am
BOS
-
SDF
1 stop9h 11m
Spirit Airlines
Tue 3/33:33 pm
SDF
-
BOS
1 stop8h 11m
Spirit Airlines
Deal found 1/29$139
This Priceline deal was found by Cheapflights users on 1/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/175:40 am
BOS
-
SDF
1 stop6h 39m
Spirit Airlines
Thu 3/193:33 pm
SDF
-
BOS
1 stop8h 26m
Spirit Airlines
Deal found 1/28$185
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Sat 2/2112:35 pm
BOS
-
SDF
1 stop24h 51m
Multiple Airlines
Wed 3/41:19 pm
SDF
-
BOS
1 stop8h 42m
Multiple Airlines
Deal found 1/29$204
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Sat 2/2112:35 pm
BOS
-
SDF
1 stop24h 51m
Multiple Airlines
Tue 3/33:33 pm
SDF
-
BOS
1 stop8h 11m
Multiple Airlines
Deal found 1/29$207
This Priceline deal was found by Cheapflights users on 1/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:27 am
BOS
-
SDF
1 stop9h 11m
Spirit Airlines
Wed 3/1812:03 pm
SDF
-
BOS
1 stop9h 30m
Spirit Airlines
Deal found 1/27$208
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/266:10 pm
BOS
-
SDF
1 stop14h 30m
Multiple Airlines
Tue 3/33:33 pm
SDF
-
BOS
1 stop8h 11m
Multiple Airlines
Deal found 1/28$214
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Mon 2/236:10 pm
BOS
-
SDF
1 stop20h 28m
Spirit Airlines
Thu 2/263:33 pm
SDF
-
BOS
1 stop8h 11m
Spirit Airlines
Deal found 1/27$215
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Mon 2/236:10 pm
BOS
-
SDF
1 stop20h 28m
Spirit Airlines
Wed 3/41:19 pm
SDF
-
BOS
1 stop8h 42m
Spirit Airlines
Deal found 1/29$217
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Mon 2/236:10 pm
BOS
-
SDF
1 stop20h 28m
Spirit Airlines
Tue 3/33:33 pm
SDF
-
BOS
1 stop8h 11m
Spirit Airlines
Deal found 1/29$219
This Delta deal was found by Cheapflights users on 1/27. 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.
Tue 2/1712:13 pm
PWM
-
SDF
1 stop5h 37m
Delta
Mon 2/235:02 pm
SDF
-
PWM
1 stop6h 18m
Delta
Deal found 1/27$318
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 3/205:21 am
BGR
-
SDF
1 stop5h 37m
American Airlines
Mon 3/233:49 pm
SDF
-
BGR
1 stop7h 26m
American Airlines
Deal found 1/27$329
This Delta deal was found by Cheapflights users on 1/27. 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.
Sun 4/55:23 am
PWM
-
SDF
1 stop6h 35m
Delta
Sun 4/127:45 am
SDF
-
PWM
1 stop4h 24m
Delta
Deal found 1/27$352

Find flight deals from Maine to Louisville

Keep the following information in mind while searching for Maine to Louisville flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$139
(Expedia)

One-way from

$106
(Priceline)

Popular in

August

Cheapest in

June
Provider with most accurate pricing for Portland-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Louisville Intl flights.
Search Deals
From Maine to Louisville Intl
Search Deals
One-way flight from Maine to Louisville Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).
Search Deals

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 January 29, 2026.
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

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Mon 3/2

6:10 pm-2:38 pm

1 stop20h 28m

Louisville Intl

Mon 3/9

1:19 pm-11:48 am

1 stop22h 29m

$245

PortlandLouisville

PWM - SDF

PWMSDF

Portland

Tue 2/17

12:13 pm-5:50 pm

1 stop5h 37m

Louisville Intl

Mon 2/23

5:02 pm-11:20 pm

1 stop6h 18m

$318

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 6/3

8:00 am-2:47 pm

2 stops6h 47m

Louisville Intl

Sat 6/6

5:35 am-11:01 am

1 stop5h 26m

$320

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Fri 3/20

5:21 am-10:58 am

1 stop5h 37m

Louisville Intl

Mon 3/23

3:49 pm-11:15 pm

1 stop7h 26m

$329

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Thu 5/14

6:00 am-12:56 pm

1 stop6h 56m

Louisville Intl

Sat 5/16

4:30 pm-7:05 pm

Nonstop2h 35m

$334

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Mon 5/11

7:00 pm-11:59 pm

1 stop4h 59m

Louisville Intl

Sat 5/16

4:30 pm-7:05 pm

Nonstop2h 35m

$334

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 5/20

12:30 pm-3:10 pm

Nonstop2h 40m

Louisville Intl

Mon 5/25

7:30 pm-1:03 am

1 stop5h 33m

$334

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Mon 4/27

9:30 am-4:40 pm

1 stop7h 10m

Louisville Intl

Wed 5/6

2:00 pm-4:25 pm

Nonstop2h 25m

$334

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Sat 5/9

12:30 pm-3:10 pm

Nonstop2h 40m

Louisville Intl

Mon 5/18

5:45 pm-1:03 am

1 stop7h 18m

$334

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Thu 5/14

5:30 am-9:51 am

1 stop4h 21m

Louisville Intl

Sat 5/30

4:30 pm-7:05 pm

Nonstop2h 35m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 46 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, November is the cheapest month in which you can book a flight from Maine to Louisville (average of $182). Flying from Maine to Louisville in February is currently the most expensive (average of $325). 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 Spirit Airlines, Delta, and United Airlines fly from Maine to Louisville in about 5h 37m. The time it takes to get you to your destination can typically vary by up to 14h 51m. The distance between Maine and Louisville is about 887 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, November is the cheapest month in which you can book a flight from Maine to Louisville (average of $182). Flying from Maine to Louisville in February is currently the most expensive (average of $325). 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

Browse thousands of different options on Cheapflights for your next trip

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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 2 airlines flying from Maine to Louisville

Discover the top 2 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$248Average$379FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$363FlexibilityNo cancel feeOn-time71%

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