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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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SDF
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$271
(American Airlines)

One-way from

$85
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$460
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 ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 24, 2025.

This American Airlines deal was found by Cheapflights users on 4/23. 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 5/244:01 pmPWM - SDF
1 stop5h 55mAmerican Airlines
Wed 5/283:25 pmSDF - PWM
1 stop7h 41mAmerican Airlines
Deal found 4/23$271
This Delta deal was found by Cheapflights users on 4/23. 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 5/246:05 amPWM - SDF
1 stop7h 34mDelta
Wed 5/282:38 pmSDF - PWM
2 stops9h 21mDelta
Deal found 4/23$276
This FlightHub deal was found by Cheapflights users on 4/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/155:45 amBOS - SDF
1 stop6h 28mSpirit Airlines
Tue 6/175:03 amSDF - BOS
1 stop10h 34mSpirit Airlines
Deal found 4/22$277
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Wed 6/186:26 pmBOS - SDF
1 stop5h 33mAmerican Airlines
Wed 6/253:45 pmSDF - BOS
Nonstop2h 26mAmerican Airlines
Deal found 4/23$285
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Fri 5/95:42 pmBOS - SDF
1 stop23h 48mMultiple Airlines
Mon 5/126:19 pmSDF - BOS
1 stop29h 10mMultiple Airlines
Deal found 4/23$292
This Delta deal was found by Cheapflights users on 4/23. 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 6/1012:59 pmBOS - SDF
Nonstop2h 39mDelta
Thu 6/194:19 pmSDF - BOS
Nonstop2h 40mDelta
Deal found 4/23$299
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Mon 7/288:20 pmBOS - SDF
1 stop13h 37mUnited Airlines
Tue 8/58:40 amSDF - BOS
1 stop10h 38mUnited Airlines
Deal found 4/23$313
This Southwest deal was found by Cheapflights users on 4/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:00 amBOS - SDF
1 stop6h 25mSouthwest
Mon 9/155:30 amSDF - BOS
1 stop7h 00mSouthwest
Deal found 4/22$319
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Mon 5/122:37 pmPWM - SDF
2 stops7h 53mUnited Airlines
Wed 5/146:00 amSDF - PWM
1 stop3h 56mUnited Airlines
Deal found 4/23$354
This Southwest deal was found by Cheapflights users on 4/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/157:55 pmPWM - SDF
1 stop4h 40mSouthwest
Thu 6/195:40 pmSDF - PWM
1 stop6h 25mSouthwest
Deal found 4/23$363
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Sun 6/158:56 pmPWM - SDF
2 stops15h 54mMultiple Airlines
Thu 6/195:03 amSDF - PWM
2 stops14h 24mMultiple Airlines
Deal found 4/23$507
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/165:35 amBGR - SDF
1 stop4h 48mAmerican Airlines
Mon 5/198:15 pmSDF - BGR
2 stops43h 10mAmerican Airlines
Deal found 4/23$1,321

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 April 24, 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

PortlandLouisville

PWM - SDF

PWMSDF

Portland

Sat 5/24

4:01 pm-9:56 pm

1 stop5h 55m

Louisville Intl

Wed 5/28

3:25 pm-11:06 pm

1 stop7h 41m

$271

PortlandLouisville

PWM - SDF

PWMSDF

Portland

Sat 5/24

6:05 am-1:39 pm

1 stop7h 34m

Louisville Intl

Wed 5/28

2:38 pm-11:59 pm

2 stops9h 21m

$276

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Sun 6/15

5:45 am-12:13 pm

1 stop6h 28m

Louisville Intl

Tue 6/17

5:03 am-3:37 pm

1 stop10h 34m

$277

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 6/18

6:26 pm-11:59 pm

1 stop5h 33m

Louisville Intl

Wed 6/25

3:45 pm-6:11 pm

Nonstop2h 26m

$285

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Fri 5/9

5:42 pm-5:30 pm

1 stop23h 48m

Louisville Intl

Mon 5/12

6:19 pm-11:29 pm

1 stop29h 10m

$292

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Tue 6/10

12:59 pm-3:38 pm

Nonstop2h 39m

Louisville Intl

Mon 6/16

4:19 pm-6:59 pm

Nonstop2h 40m

$299

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Tue 6/10

6:00 am-8:26 pm

1 stop14h 26m

Louisville Intl

Mon 6/16

11:10 am-12:59 am

1 stop13h 49m

$313

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Thu 7/3

5:15 am-10:15 am

1 stop5h 00m

Louisville Intl

Sun 7/6

8:10 pm-12:30 am

1 stop4h 20m

$325

PortlandLouisville

PWM - SDF

PWMSDF

Portland

Mon 5/12

2:37 pm-10:30 pm

2 stops7h 53m

Louisville Intl

Wed 5/14

6:00 am-9:56 am

1 stop3h 56m

$354

PortlandLouisville

PWM - SDF

PWMSDF

Portland

Sun 6/15

7:55 pm-12:35 am

1 stop4h 40m

Louisville Intl

Thu 6/19

5:40 pm-12:05 am

1 stop6h 25m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 22 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.

What is the cheapest time of day to fly from ME to SDF?

Find hourly flight availability from Maine to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

When flying from Maine to Louisville, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Louisville by month

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

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

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

If weather is an important factor for your trip to Louisville, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 April 24, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Maine to Louisville to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,286 reviews

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,286 reviews
Southwest
8.0
Very good
4,286 reviews

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,920 reviews
Southwest
8.0
Very good
4,286 reviews

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,685 reviews
Southwest
8.0
Very good
4,286 reviews

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Allegiant Air
7.3
Good
734 reviews
Southwest
8.0
Very good
4,286 reviews

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,286 reviews

Crew

8.6

Comfort

8.0

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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.

  • 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 Allegiant Air ($85), Spirit Airlines ($112), and Delta ($144).

  • 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 Maine?

Book flights to Maine if you plan to visit one of these locations
Jeffersonville
Corydon
Elizabethtown
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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$224Average$346FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$273Average$405FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$291Average$417FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$296Average$457FlexibilityNo cancel feeOn-time69%

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