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Maine

$84+ Cheap flights from Louisville (SDF) to Maine

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PWM
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Louisville to Maine

Keep the following information in mind while searching for Louisville to Maine flight deals. Data was last updated September 11, 2025.

Round-trip from

$239
(Southwest)

One-way from

$84
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$386
From Louisville Intl to Maine
Search Deals
One-way flight from Louisville Intl to Maine
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Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 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 Louisville to Maine

Cheapest flights from Louisville to Maine
Explore the most affordable flight options available from Louisville to Maine. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Southwest deal was found by Cheapflights users on 9/11. 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 10/2911:05 amSDF - BOS
2 stops8h 15mSouthwest
Sat 11/15:55 pmBOS - SDF
1 stop4h 35mSouthwest
Deal found 9/11$239
This American Airlines deal was found by Cheapflights users on 9/10. 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 11/87:25 amSDF - BOS
1 stop9h 07mAmerican Airlines
Wed 11/127:00 amBOS - SDF
Nonstop2h 59mAmerican Airlines
Deal found 9/10$241
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/312:21 pmSDF - BOS
1 stop11h 38mMultiple Airlines
Tue 11/43:00 pmBOS - SDF
1 stop18h 59mMultiple Airlines
Deal found 9/10$242
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/1711:47 amSDF - BOS
1 stop23h 39mMultiple Airlines
Thu 10/238:24 pmBOS - SDF
1 stop12h 37mMultiple Airlines
Deal found 9/10$243
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/110:14 amSDF - BOS
2 stops24h 59mSpirit Airlines
Wed 10/86:16 amBOS - SDF
1 stop10h 20mSpirit Airlines
Deal found 9/11$244
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/312:21 pmSDF - BOS
1 stop22h 55mMultiple Airlines
Fri 11/75:45 amBOS - SDF
1 stop28h 14mMultiple Airlines
Deal found 9/10$246
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/96:58 pmSDF - BOS
1 stop29h 01mSpirit Airlines
Tue 10/143:00 pmBOS - SDF
1 stop25h 36mSpirit Airlines
Deal found 9/9$247
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/117:15 amSDF - BOS
2 stops24h 12mMultiple Airlines
Wed 10/156:16 amBOS - SDF
1 stop10h 20mMultiple Airlines
Deal found 9/10$248
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/312:21 pmSDF - BOS
1 stop22h 55mMultiple Airlines
Mon 11/106:57 pmBOS - SDF
2 stops15h 02mMultiple Airlines
Deal found 9/10$249
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/2211:17 amSDF - BOS
1 stop23h 56mMultiple Airlines
Thu 9/256:49 pmBOS - SDF
1 stop27h 15mMultiple Airlines
Deal found 9/10$250
This KAYAK deal was found by Cheapflights users on 9/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:30 amSDF - BOS
1 stop7h 25mSouthwest
Fri 12/55:35 pmBOS - SDF
2 stops18h 30mSouthwest
Deal found 9/11$251
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/85:31 pmSDF - BOS
1 stop17h 55mSpirit Airlines
Sun 10/126:16 amBOS - SDF
1 stop28h 36mSpirit Airlines
Deal found 9/10$253

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Maine 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 11, 2025.
Use the filters below to find and compare flights from Louisville to Maine that are best for you.

Fly from

Louisville

Fly to

Maine

Route

Depart

Return

Price

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Tue 12/9

3:20 pm-9:05 pm

1 stop5h 45m

Boston Logan Intl

Fri 12/12

1:45 pm-9:30 pm

1 stop7h 45m

$243

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Wed 12/3

5:30 am-9:40 pm

2 stops16h 10m

Boston Logan Intl

Fri 12/5

5:35 pm-6:10 pm

2 stops24h 35m

$256

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sat 10/4

8:23 am-11:57 pm

1 stop15h 34m

Boston Logan Intl

Wed 10/8

6:16 am-4:36 pm

1 stop10h 20m

$260

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Wed 11/5

4:25 pm-6:59 pm

Nonstop2h 34m

Boston Logan Intl

Sat 11/8

9:30 am-12:08 pm

Nonstop2h 38m

$275

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sat 11/8

12:50 pm-3:20 pm

Nonstop2h 30m

Boston Logan Intl

Wed 11/12

12:30 pm-3:25 pm

Nonstop2h 55m

$275

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Thu 10/23

4:25 pm-6:59 pm

Nonstop2h 34m

Boston Logan Intl

Sat 10/25

2:45 pm-5:22 pm

Nonstop2h 37m

$291

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sat 11/8

12:50 pm-3:20 pm

Nonstop2h 30m

Boston Logan Intl

Mon 11/10

12:30 pm-3:25 pm

Nonstop2h 55m

$291

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Tue 10/28

4:25 pm-6:59 pm

Nonstop2h 34m

Boston Logan Intl

Thu 11/6

1:05 pm-3:45 pm

Nonstop2h 40m

$291

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Sat 10/4

5:00 pm-7:40 pm

Nonstop2h 40m

Boston Logan Intl

Wed 10/8

1:05 pm-3:45 pm

Nonstop2h 40m

$307

LouisvilleBoston

SDF - BOS

SDFBOS

Louisville Intl

Thu 10/23

4:25 pm-6:59 pm

Nonstop2h 34m

Boston Logan Intl

Mon 10/27

1:05 pm-3:45 pm

Nonstop2h 40m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 45 results
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Best time to book a flight from Louisville to Maine

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

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

Currently, January is the cheapest month in which you can book a flight from Louisville to Maine (average of $296). Flying from Louisville to Maine in July is currently the most expensive (average of $394). 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 SDF to ME?

Find hourly flight availability from Louisville to Maine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisville to Maine as you normally would.

Reviews of airlines servicing Maine

Get insights into the airlines that provide service to Maine. 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 Maine. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Louisville to Maine 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
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

    For a flight from Louisville to Maine, you will be flying from Louisville Intl. Louisville Intl (SDF) is just 5.3 mi from the center of the city.

  • How long is the flight from Louisville to Maine?

    A quick flight from Louisville to Maine can take about 2h 34m. Southwest provides one of the quickest options available for as low as $275. The distance between Louisville and Maine is about 827 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $102 on Spirit Airlines. Other airlines that offer cheap prices include Southwest from $105 and Allegiant Air from $132 one-way.

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

    The most popular flight routes from Louisville to Maine are Louisville Intl - Boston Logan Intl, Louisville Intl - Portland and Louisville Intl - Bangor.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Louisville to Maine (average of $296). Flying from Louisville to Maine in July is currently the most expensive (average of $394). 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

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Alternative routes for Louisville to Maine

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

Discover the top 4 airlines that operate flights from Louisville to Maine. 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$236Average$408FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$377FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$283Average$541FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$296Average$422FlexibilityNo cancel feeOn-time63%

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