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

Spirit Airlines, American Airlines, and Southwest are the most popular carriers operating from Maine to Louisville Intl

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 68% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 4 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Maine and Louisville is 13 per week as of September 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

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 34m and 5h 41m, 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 September 2025.

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.

$93 Cheap Flights from Maine to Louisville in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Maine to Louisville

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

1:00 pm - 3:51 pmBOS-SDF

2h 51mnonstop

4:30 pm - 6:50 pmSDF-BOS

2h 20mnonstop

$304Delta

Find Deal

Wed, Dec 17 - Thu, Jan 15

5:50 am - 4:10 pmBOS-SDF

10h 20m2 stops

6:45 am - 4:10 pmSDF-BOS

9h 25m2 stops

$305Southwest

Find Deal

Mon, Jan 26 - Wed, Jan 28

8:24 pm - 10:47 pmBOS-SDF

26h 23m2 stops

11:47 am - 11:59 pmSDF-BOS

12h 12m1 stop

$306Spirit Airlines

Find Deal

Fri, Oct 17 - Mon, Oct 20

6:16 am - 4:36 pmBOS-SDF

10h 20m1 stop

7:15 am - 1:20 pmSDF-BOS

6h 05m1 stop

$307Spirit Airlines

Find Deal

Wed, Oct 8 - Sun, Oct 12

5:45 am - 6:04 pmBOS-SDF

12h 19m1 stop

10:55 am - 12:40 amSDF-BOS

13h 45m1 stop

$313Multiple Airlines

Find Deal

Mon, Jan 26 - Sat, Jan 31

6:00 am - 11:33 amBOS-SDF

5h 33m1 stop

1:20 pm - 3:43 pmSDF-BOS

2h 23mnonstop

$314American Airlines

Find Deal

Sun, Oct 26 - Sat, Nov 1

7:20 am - 4:25 pmBOS-SDF

9h 05m1 stop

6:08 am - 2:12 pmSDF-BOS

8h 04m1 stop

$315American Airlines

Find Deal

Thu, Dec 11 - Sun, Dec 14

9:18 am - 10:47 pmBOS-SDF

13h 29m1 stop

6:43 pm - 11:26 amSDF-BOS

16h 43m1 stop

$320Multiple Airlines

Find Deal

Fri, Oct 17 - Mon, Oct 20

7:00 am - 1:06 pmBGR-SDF

6h 06m1 stop

9:00 am - 7:04 pmSDF-BGR

10h 04m2 stops

$334United Airlines

Find Deal

Tue, Feb 24 - Sat, Feb 28

6:00 am - 12:18 pmPWM-SDF

6h 18m1 stop

1:07 pm - 5:48 pmSDF-PWM

4h 41m1 stop

$350United Airlines

Find Deal

Sat, Oct 25 - Sat, Nov 1

Southwest flights from Maine to Louisville

Our best Southwest deals on Maine to Louisville flight tickets

Southwest

Jan 26

BOS5:50 amBoston Logan Intl

10h 20m

2 stops

SDF4:10 pmLouisville Intl

Jan 28

SDF6:45 amLouisville Intl

9h 25m

2 stops

BOS4:10 pmBoston Logan Intl

$305

Find similar

Southwest

Oct 29

BOS9:10 amBoston Logan Intl

8h 20m

2 stops

SDF5:30 pmLouisville Intl

Nov 1

SDF11:50 amLouisville Intl

9h 00m

2 stops

BOS8:50 pmBoston Logan Intl

$312

Find similar

Southwest

Nov 11

PWM3:30 pmPortland

7h 20m

1 stop

SDF10:50 pmLouisville Intl

Nov 13

SDF5:30 amLouisville Intl

5h 40m

1 stop

PWM11:10 amPortland

$315

Find similar

Spirit Airlines flights from Maine to Louisville

Our best Spirit Airlines deals on Maine to Louisville flight tickets

Spirit Airlines

Oct 17

BOS8:24 pmBoston Logan Intl

26h 23m

2 stops

SDF10:47 pmLouisville Intl

Oct 20

SDF11:47 amLouisville Intl

12h 12m

1 stop

BOS11:59 pmBoston Logan Intl

$306

Find similar

Spirit Airlines

Oct 8

BOS6:16 amBoston Logan Intl

10h 20m

1 stop

SDF4:36 pmLouisville Intl

Oct 12

SDF7:15 amLouisville Intl

6h 05m

1 stop

BOS1:20 pmBoston Logan Intl

$307

Find similar

Spirit Airlines

Nov 14

BOS6:00 amBoston Logan Intl

17h 45m

2 stops

SDF11:45 pmLouisville Intl

Nov 16

SDF10:55 amLouisville Intl

13h 45m

1 stop

BOS12:40 amBoston Logan Intl

$310

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 12/17

1:00 pm-3:51 pm

Nonstop2h 51m

Louisville Intl

Thu 1/15

4:30 pm-6:50 pm

Nonstop2h 20m

$304

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Mon 1/26

5:50 am-4:10 pm

2 stops10h 20m

Louisville Intl

Wed 1/28

6:45 am-4:10 pm

2 stops9h 25m

$305

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Fri 10/17

8:24 pm-10:47 pm

2 stops26h 23m

Louisville Intl

Mon 10/20

11:47 am-11:59 pm

1 stop12h 12m

$306

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 10/8

6:16 am-4:36 pm

1 stop10h 20m

Louisville Intl

Sun 10/12

7:15 am-1:20 pm

1 stop6h 05m

$307

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Mon 1/26

5:45 am-6:04 pm

1 stop12h 19m

Louisville Intl

Sat 1/31

10:55 am-12:40 am

1 stop13h 45m

$313

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Sun 10/26

6:00 am-11:33 am

1 stop5h 33m

Louisville Intl

Sat 11/1

1:20 pm-3:43 pm

Nonstop2h 23m

$314

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Thu 12/11

7:20 am-4:25 pm

1 stop9h 05m

Louisville Intl

Sun 12/14

6:08 am-2:12 pm

1 stop8h 04m

$315

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Fri 10/17

9:18 am-10:47 pm

1 stop13h 29m

Louisville Intl

Mon 10/20

6:43 pm-11:26 am

1 stop16h 43m

$320

BangorLouisville

BGR - SDF

BGRSDF

Bangor

Tue 2/24

7:00 am-1:06 pm

1 stop6h 06m

Louisville Intl

Sat 2/28

9:00 am-7:04 pm

2 stops10h 04m

$334

PortlandLouisville

PWM - SDF

PWMSDF

Portland

Sat 10/25

6:00 am-12:18 pm

1 stop6h 18m

Louisville Intl

Sat 11/1

1:07 pm-5:48 pm

1 stop4h 41m

$350

Flights are sorted by cheapest round-trip flights first.

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 $343.

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 $343. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Maine to Louisville on a Sunday will generally be more expensive and average around $409. 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 morning. Our users have found flights to Louisville in the morning for as low as $374. In the evening is when there is more demand to fly to Louisville, so prices are often more expensive at around $409 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 $377 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 $323 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 32m
Direct flights	Every day
Airports in Louisville	1 airport

The fastest flight from Maine to Louisville takes 2h 32m

Direct flights go from Maine to Louisville every day.

There is 1 airport near Louisville: 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 September 2025.
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 7,973 reviews	Search Delta flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $316	Free Cancellation	Rating 7.4 8,928 reviews	Search United Airlines flights
Southwest	PriceFrom $376	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights

French Lick

Elizabethtown

West Baden Springs

Bardstown

Jeffersonville

Shepherdsville

New Albany

Corydon

Elizabeth

Charlestown

Springfield

Georgetown

Brandenburg

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 10/25

Sat 11/1

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Kentucky

Lexington Blue Grass Airport

Owensboro Daviess County Airport

Paducah Barkley Regional Airport

Popular cities in the United States

Flights to New Yorkfrom $50

Flights to Los Angelesfrom $49

Flights to Miamifrom $52

Flights to Chicagofrom $65

Flights to Orlandofrom $57

Flights to Las Vegasfrom $47

Flights to San Franciscofrom $59

Flights to Washington, D.C.from $60

Flights to Bostonfrom $68

Flights to Atlantafrom $51

Flights to Dallasfrom $60

Flights to Seattlefrom $86

Cheap flights from Maine to Louisville from $93

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 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Maine to Louisville

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Southwest flights from Maine to Louisville

Our best Southwest deals on Maine to Louisville flight tickets

Spirit Airlines flights from Maine to Louisville

Our best Spirit Airlines deals on Maine to Louisville flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Maine to Louisville that are best for you.

See travel insights to Louisville from

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

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 $343.

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?

Spirit Airlines, American Airlines, and Southwest are the most popular carriers operating from Maine to Louisville Intl

What airlines fly to Louisville?

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

The number of flights available between Maine and Louisville is 13 per week as of September 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

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 34m and 5h 41m, respectively.

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

Direct flights

Airports in Louisville

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

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

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

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

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