What is the cheapest airline that flies from Maine to Louisville Intl?

Spirit Airlines, Delta, and United Airlines are the most popular carriers operating from Maine to Louisville Intl

How many flights depart from Maine to Louisville on average per week?

The number of flights available between Maine and Louisville is 11 per week as of February 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.

What airlines fly to Louisville?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Louisville from Maine according to our data. American Airlines is the first choice among our users, with 73% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 3 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Louisville?

If you’re flying from a popular airport in Maine, such as Portland or Bangor, and flying into Louisville, then you can expect flight times to average 4h 42m and 7h 23m, respectively.

When did momondo last update prices for flights from Maine to Louisville Intl Airport?

Prices for flights from Maine to Louisville Intl Airport refresh daily.

How many operators does momondo search for flights from Maine to Louisville Intl Airport?

There are 5 operators available for flights from Maine to Louisville Intl Airport as of February 2026.

How old do you have to be to fly from Maine to Louisville Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Maine to Louisville Intl Airport.

What documentation or ID do you need to fly to Louisville Intl Airport?

The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$97 Cheap Flights from Maine to Louisville in 2026

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Find the cheapest flights from Maine to Louisville

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:40 am - 6:58 pm

BOS

SDF

13h 18m

1 stop

7:48 pm - 11:59 pm

SDF

BOS

28h 11m

1 stop

$223Multiple Airlines

Mon, May 4 - Fri, May 8

5:23 pm - 1:27 pm

BOS

SDF

20h 04m

2 stops

7:48 pm - 11:59 pm

SDF

BOS

28h 11m

1 stop

$227Multiple Airlines

Wed, May 6 - Mon, May 11

12:35 pm - 1:26 pm

BOS

SDF

24h 51m

1 stop

2:26 pm - 11:53 am

SDF

BOS

21h 27m

1 stop

$229Multiple Airlines

Sat, Feb 28 - Thu, Mar 5

7:00 am - 7:32 pm

BOS

SDF

12h 32m

1 stop

3:33 pm - 11:59 pm

SDF

BOS

8h 26m

1 stop

$232Spirit Airlines

Sat, May 16 - Tue, May 19

5:05 am - 1:59 pm

BOS

SDF

8h 54m

1 stop

7:37 am - 12:05 pm

SDF

BOS

4h 28m

1 stop

$249American Airlines

Sat, May 23 - Tue, May 26

3:15 pm - 9:28 pm

BGR

SDF

6h 13m

1 stop

8:03 am - 2:33 pm

SDF

BGR

6h 30m

1 stop

$279American Airlines

Sat, May 2 - Tue, May 5

7:40 am - 6:36 pm

BGR

SDF

10h 56m

2 stops

9:10 am - 7:40 pm

SDF

BGR

10h 30m

2 stops

$289United Airlines

Sat, May 2 - Tue, May 5

4:23 pm - 10:13 pm

PWM

SDF

5h 50m

1 stop

9:55 am - 2:32 pm

SDF

PWM

4h 37m

1 stop

$312United Airlines

Tue, Mar 17 - Tue, Mar 24

11:45 am - 11:57 pm

PWM

SDF

12h 12m

2 stops

2:17 pm - 11:59 pm

SDF

PWM

9h 42m

2 stops

$327Delta

Tue, Mar 17 - Tue, Mar 24

5:30 am - 11:25 am

BGR

SDF

5h 55m

1 stop

6:35 am - 11:48 am

SDF

BGR

5h 13m

1 stop

$329Delta

Thu, Apr 2 - Mon, Apr 6

Delta flights from Maine to Louisville

Our best Delta deals on Maine to Louisville flight tickets

Delta

May 26

BOS9:30 amBoston Logan Intl

2h 40m

SDF12:10 pmLouisville Intl

Jun 2

SDF12:50 pmLouisville Intl

2h 25m

BOS3:15 pmBoston Logan Intl

$295

Delta

Mar 17

PWM11:45 amPortland

9h 31m

2 stops

SDF9:16 pmLouisville Intl

Mar 24

SDF2:17 pmLouisville Intl

9h 42m

2 stops

PWM11:59 pmPortland

$327

Delta

Apr 2

BGR5:30 amBangor

5h 55m

1 stop

SDF11:25 amLouisville Intl

Apr 6

SDF6:35 amLouisville Intl

5h 13m

1 stop

BGR11:48 amBangor

$329

Southwest flights from Maine to Louisville

Our best Southwest deals on Maine to Louisville flight tickets

Southwest

Jun 24

PWM3:45 pmPortland

7h 25m

1 stop

SDF11:10 pmLouisville Intl

Jun 30

SDF4:15 pmLouisville Intl

6h 40m

1 stop

PWM10:55 pmPortland

$387

Southwest

Jun 24

PWM5:30 amPortland

6h 55m

1 stop

SDF12:25 pmLouisville Intl

Jun 30

SDF12:40 pmLouisville Intl

10h 15m

2 stops

PWM10:55 pmPortland

$392

Southwest

Jun 24

PWM5:30 amPortland

10h 05m

2 stops

SDF3:35 pmLouisville Intl

Jun 30

SDF12:40 pmLouisville Intl

10h 15m

2 stops

PWM10:55 pmPortland

$397

Fly from

Fly to

Route

Depart

Return

Price

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Mon 5/4

5:40 am-6:58 pm

1 stop13h 18m

Louisville Intl

Fri 5/8

7:48 pm-11:59 pm

1 stop28h 11m

$223

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 5/6

5:23 pm-1:27 pm

2 stops20h 04m

Louisville Intl

Mon 5/11

7:48 pm-11:59 pm

1 stop28h 11m

$227

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Sat 2/28

12:35 pm-1:26 pm

1 stop24h 51m

Louisville Intl

Thu 3/5

2:26 pm-11:53 am

1 stop21h 27m

$229

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Sat 5/16

7:00 am-7:32 pm

1 stop12h 32m

Louisville Intl

Tue 5/19

3:33 pm-11:59 pm

1 stop8h 26m

$232

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Sat 5/23

5:05 am-1:59 pm

1 stop8h 54m

Louisville Intl

Tue 5/26

7:37 am-12:05 pm

1 stop4h 28m

$249

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Sat 5/2

3:15 pm-9:28 pm

1 stop6h 13m

Louisville Intl

Tue 5/5

8:03 am-2:33 pm

1 stop6h 30m

$279

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Sat 5/2

7:40 am-6:36 pm

2 stops10h 56m

Louisville Intl

Tue 5/5

9:10 am-7:40 pm

2 stops10h 30m

$289

PortlandLouisville

PWM - SDF

PWMSDF

Portland

Tue 3/17

4:23 pm-10:13 pm

1 stop5h 50m

Louisville Intl

Tue 3/24

9:55 am-2:32 pm

1 stop4h 37m

$312

PortlandLouisville

PWM - SDF

PWMSDF

Portland

Tue 3/17

11:45 am-11:57 pm

2 stops12h 12m

Louisville Intl

Tue 3/24

2:17 pm-11:59 pm

2 stops9h 42m

$327

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Thu 4/2

5:30 am-11:25 am

1 stop5h 55m

Louisville Intl

Mon 4/6

6:35 am-11:48 am

1 stop5h 13m

$329

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Maine to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of August, then departing from Maine during the month March is also very affordable. Most momondo users find prices during this month for around $376.

What is the cheapest day to depart on your flight to Louisville?

On average, the least expensive day to fly to Louisville from Maine is on a Saturday. momondo users have found tickets for Saturday departures for as low as $342. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Maine to Louisville on a Monday will generally be more expensive and average around $448. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Louisville?

Our data shows that the cheapest Maine to Louisville flights are usually those with departure times in the afternoon. Our users have found flights to Louisville in the afternoon for as low as $311. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $400 per ticket.

How far in advance should I book a flight to Louisville?

You are more likely to see cheaper flights to Louisville from Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $393 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Maine for as low as $347 on momondo.

Cheap Maine to Louisville flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maine to Louisville

Fastest flight time	2h 39m
Direct flights	Every day
Airports in Louisville	1 airport

The fastest flight from Maine to Louisville takes 2h 39m

Direct flights go from Maine to Louisville every day.

There is 1 airport in Louisville. From Maine there are direct flights to Louisville Intl (SDF).

Search flight deals

When did momondo last update prices for flights from Maine to Louisville Intl Airport?
Prices for flights from Maine to Louisville Intl Airport refresh daily.
How many operators does momondo search for flights from Maine to Louisville Intl Airport?
There are 5 operators available for flights from Maine to Louisville Intl Airport as of February 2026.
How old do you have to be to fly from Maine to Louisville Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Maine to Louisville Intl Airport.
What documentation or ID do you need to fly to Louisville Intl Airport?
The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Maine to Louisville

Compare and see reviews for airlines that fly from Maine to Louisville with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $248	Free Cancellation	Rating 7.9 8,208 reviews		Search Delta flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.2 11,307 reviews		Search American Airlines flights

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Bardstown

Jeffersonville

Shepherdsville

New Albany

Corydon

Elizabeth

Brandenburg

Charlestown

Springfield

Georgetown

Why use momondo?

Why should I use momondo to find a flight deal from Maine to Louisville?

It is quick and easy to find Maine to Louisville flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Louisville that suits you.

Can I find flights from Maine to Louisville with flexible booking policies on momondo?

momondo does allow users to show only those flights to Louisville from Maine which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Maine to Louisville?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Maine to Louisville.

I’m not ready to book a flight from Maine to Louisville right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Maine to Louisville flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Maine to Louisville from $97

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maine to Louisville departing on 5/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Our best Delta deals on Maine to Louisville flight tickets

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Our best Southwest deals on Maine to Louisville flight tickets

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How to get the cheapest flight ticket from Maine to Louisville

What is the cheapest month to fly to Louisville?

What is the cheapest day to depart on your flight to Louisville?

What is the cheapest time of day to depart on your flight to Louisville?

How far in advance should I book a flight to Louisville?

What is the cheapest airline that flies from Maine to Louisville Intl?

What airlines fly to Louisville?

How many flights depart from Maine to Louisville on average per week?

How long does it take to fly to Louisville?

Cheap Maine to Louisville flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maine to Louisville

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Direct flights

Airports in Louisville

Best airlines flying from Maine to Louisville

Compare and see reviews for airlines that fly from Maine to Louisville with momondo

Traveling to a place near Louisville?

Why use momondo?

Why should I use momondo to find a flight deal from Maine to Louisville?

Can I find flights from Maine to Louisville with flexible booking policies on momondo?

How can momondo help me find flights from Maine to Louisville?

I’m not ready to book a flight from Maine to Louisville right now. Can momondo alert me if prices change?

An easier way to manage your Louisville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Kentucky

Fly your favorite airline to Louisville

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Louisville

List of cabin classes available on flights landing in Louisville. Availability may vary depending on flight origin and airline.

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