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

Southwest and Allegiant Air are the most popular carriers operating from Boston Logan Intl to Louisville Intl

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

The number of flights available between Boston and Louisville is 13 per week as of May 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

How many flights depart from Boston to Louisville on average per day?

The number of flights available between Boston and Louisville is 1 per day as of May 2026. The most frequent departure time is 9:00AM, with 100% of daily flights leaving at noon.

What airlines fly to Louisville?

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Louisville from Boston according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 6 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Boston Logan Intl Airport to Louisville Intl Airport are updated daily.

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

As of May 2026, there are 4 operators available to choose from for flights from Boston Logan Intl Airport to Louisville Intl Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport 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.

$113 Cheap Flights from Boston to Louisville in 2026

Q: What is the typical price of a round-trip flight between Boston and Louisville?

Prices are currently low for flights on this route. Typical prices usually range from $568 to $406. The lowest price recently found on this route was $412.

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Find the cheapest flights from Boston to Louisville

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 am - 2:45 pm

BOS

SDF

6h 35m

1 stop

5:30 pm - 12:05 am

SDF

BOS

6h 35m

1 stop

$412Southwest

Wed, Jun 3 - Sun, Jun 7

6:00 am - 2:02 pm

BOS

SDF

8h 02m

1 stop

8:08 pm - 12:40 am

SDF

BOS

4h 32m

1 stop

$413American Airlines

Wed, Jun 3 - Sun, Jun 7

6:40 pm - 11:10 pm

BOS

SDF

4h 30m

1 stop

6:25 pm - 12:55 am

SDF

BOS

6h 30m

1 stop

$414Southwest

Wed, Jul 8 - Sun, Jul 12

7:55 am - 4:55 pm

BOS

SDF

9h 00m

2 stops

4:15 pm - 11:30 pm

SDF

BOS

7h 15m

2 stops

$415Southwest

Fri, Jun 12 - Tue, Jun 16

9:55 am - 12:35 pm

BOS

SDF

2h 40mnonstop

5:26 pm - 11:54 pm

SDF

BOS

6h 28m

1 stop

$416Delta

Wed, Jun 3 - Wed, Jun 10

2:29 pm - 5:12 pm

BOS

SDF

2h 43mnonstop

12:46 pm - 3:21 pm

SDF

BOS

2h 35mnonstop

$417Delta

Sat, Jun 20 - Tue, Jun 23

9:23 am - 2:11 pm

BOS

SDF

28h 48m

2 stops

8:59 pm - 10:37 am

SDF

BOS

13h 38m

1 stop

$418Allegiant Air

Thu, May 28 - Sun, May 31

8:44 am - 8:36 am

BOS

SDF

23h 52m

1 stop

8:06 pm - 7:49 am

SDF

BOS

35h 43m

2 stops

$419Multiple Airlines

Fri, May 22 - Sat, May 30

9:28 am - 12:06 pm

BOS

SDF

2h 38mnonstop

6:00 am - 8:29 pm

SDF

BOS

14h 29m

1 stop

$420Delta

Tue, Jun 9 - Sun, Jun 14

2:25 pm - 10:30 pm

BOS

SDF

8h 05m

2 stops

2:30 pm - 11:30 pm

SDF

BOS

9h 00m

2 stops

$422Southwest

Wed, Jul 8 - Sun, Jul 12

Southwest flights from Boston to Louisville

Our best Southwest deals on Boston to Louisville flight tickets

Southwest

Jun 3

BOS8:10 amBoston Logan Intl

6h 35m

1 stop

SDF2:45 pmLouisville Intl

Jun 7

SDF5:30 pmLouisville Intl

6h 35m

1 stop

BOS12:05 amBoston Logan Intl

$412

Southwest

Jul 8

BOS6:40 pmBoston Logan Intl

4h 30m

1 stop

SDF11:10 pmLouisville Intl

Jul 12

SDF6:25 pmLouisville Intl

6h 30m

1 stop

BOS12:55 amBoston Logan Intl

$414

Southwest

Jun 12

BOS7:55 amBoston Logan Intl

9h 00m

2 stops

SDF4:55 pmLouisville Intl

Jun 16

SDF4:15 pmLouisville Intl

7h 15m

2 stops

BOS11:30 pmBoston Logan Intl

$415

American Airlines flights from Boston to Louisville

Our best American Airlines deals on Boston to Louisville flight tickets

American Airlines

Jun 3

BOS6:00 amBoston Logan Intl

8h 02m

1 stop

SDF2:02 pmLouisville Intl

Jun 7

SDF8:08 pmLouisville Intl

4h 32m

1 stop

BOS12:40 amBoston Logan Intl

$413

American Airlines

Sep 16

BOS3:07 pmBoston Logan Intl

7h 27m

1 stop

SDF10:34 pmLouisville Intl

Sep 20

SDF5:00 pmLouisville Intl

2h 30m

BOS7:30 pmBoston Logan Intl

$424

American Airlines

Sep 23

BOS1:17 pmBoston Logan Intl

2h 41m

SDF3:58 pmLouisville Intl

Sep 29

SDF5:00 pmLouisville Intl

2h 30m

BOS7:30 pmBoston Logan Intl

$425

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 6/3

8:10 am-2:45 pm

1 stop6h 35m

Louisville Intl

Sun 6/7

5:30 pm-12:05 am

1 stop6h 35m

$412

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 6/3

6:00 am-2:02 pm

1 stop8h 02m

Louisville Intl

Sun 6/7

8:08 pm-12:40 am

1 stop4h 32m

$413

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 7/8

6:40 pm-11:10 pm

1 stop4h 30m

Louisville Intl

Sun 7/12

6:25 pm-12:55 am

1 stop6h 30m

$414

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Fri 6/12

7:55 am-4:55 pm

2 stops9h 00m

Louisville Intl

Tue 6/16

4:15 pm-11:30 pm

2 stops7h 15m

$415

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 6/3

9:55 am-12:35 pm

Nonstop2h 40m

Louisville Intl

Wed 6/10

5:26 pm-11:54 pm

1 stop6h 28m

$416

Quickest round-trip

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Sat 6/20

2:29 pm-5:12 pm

Nonstop2h 43m

Louisville Intl

Tue 6/23

12:46 pm-3:21 pm

Nonstop2h 35m

$417

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Thu 5/28

9:23 am-2:11 pm

2 stops28h 48m

Louisville Intl

Sun 5/31

8:59 pm-10:37 am

1 stop13h 38m

$418

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Fri 5/22

8:44 am-8:36 am

1 stop23h 52m

Louisville Intl

Sat 5/30

8:06 pm-7:49 am

2 stops35h 43m

$419

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Tue 6/9

9:28 am-12:06 pm

Nonstop2h 38m

Louisville Intl

Sun 6/14

6:00 am-8:29 pm

1 stop14h 29m

$420

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 7/8

2:25 pm-10:30 pm

2 stops8h 05m

Louisville Intl

Sun 7/12

2:30 pm-11:30 pm

2 stops9h 00m

$422

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 Boston 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 typical price of a round-trip flight between Boston and Louisville?

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of August, then departing from Boston during the month December is also very affordable. Most momondo users find prices during this month for around $380.

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

On average, the least expensive day to fly to Louisville from Boston is on a Saturday. momondo users have found tickets for Saturday departures for as low as $357. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Boston to Louisville on a Monday will generally be more expensive and average around $463. 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 Boston 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 $346. In the morning is when there is more demand to fly to Louisville, so prices are often more expensive at around $413 per ticket.

What is the cheapest Boston Logan Intl to Louisville Intl flight route?

Fly from Boston Logan Intl to Louisville Intl for the best Boston Logan Intl - Louisville Intl flight prices

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

You are more likely to see cheaper flights to Louisville from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $421 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Boston for as low as $275 on momondo.

Can stopping save me money on Boston to Louisville flights?

No. A direct flight is the cheapest option for a flight between Boston to Louisville.

How have Boston to Louisville flight prices changed over time?

As of May 2026, prices for Boston to Louisville flights are approximately 122% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Louisville according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Louisville (BOS to SDF) flight deals and tips

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

Best Price Found	$288
Fastest flight time	2h 37m
Direct flights	Every day
Airports in Louisville	1 airport

The best one-way flight to Louisville from Boston in the past 72 hours is $288. The best round-trip flight deal from Boston to Louisville found on momondo in the last 72 hours is $451.

The fastest flight from Boston to Louisville takes 2h 37m

Direct flights go from Boston to Louisville every day.

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

Search flight deals

Frequently asked questions about flying from Boston to Louisville

How far is Boston Logan Intl to Louisville Intl by plane?
The straight-line distance from Boston Logan Intl to Louisville Intl is 822.9 mi. 2h 37m is a normal flight duration for this route.
When did momondo last update prices for flights from Boston Logan Intl Airport to Louisville Intl Airport?
Prices for flights from Boston Logan Intl Airport to Louisville Intl Airport are updated daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to Louisville Intl Airport?
As of May 2026, there are 4 operators available to choose from for flights from Boston Logan Intl Airport to Louisville Intl Airport.
How old do you have to be to fly from Boston Logan Intl Airport to Louisville Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport 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.
What is the most popular plane model from Boston to Louisville?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Boston to Louisville is Embraer 175 (93.04% of total bookings). The next most popular plane models are Airbus A319 (1.16%), Airbus A220-300 (1.16%), and Boeing 737-800 (0.70%).
What is the most popular airline from Boston to Louisville?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boston to Louisville is American Airlines (56% of total bookings). The next most popular airlines are Delta (38%), Southwest (4%), and United Airlines (1%).

Best airlines flying from Boston to Louisville

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $267	Free Cancellation	Rating 7.9 8,457 reviews	Search Delta flights
American Airlines	PriceFrom $277	Free Cancellation	Rating 7.1 11,669 reviews	Search American Airlines flights
Southwest	PriceFrom $335	Free Cancellation	Rating 8.0 4,302 reviews	Search Southwest flights
United Airlines	PriceFrom $349	Free Cancellation	Rating 7.4 9,692 reviews	Search United Airlines flights

Delta Flights From Boston to Louisville
Across 7 Delta flights from Boston to Louisville this week, the average price was $425, with the best Delta deals starting from $267 round-trip. 8,457 users have rated Delta on momondo, with an average score of 7.9/10.
American Airlines Flights From Boston to Louisville
American Airlines (7.1/10 from 11,669 reviews) operates around 6 flights from Boston to Louisville in any given week. The average American Airlines airfare for this route is around $410, with deals from around $277 rare but found on momondo. Referenced prices are for round-trip Boston to Louisville flight searches in the last 72 hours.

French Lick

Elizabethtown

Jeffersonville

West Baden Springs

Bardstown

New Albany

Shepherdsville

Brandenburg

Corydon

Elizabeth

Charlestown

Springfield

Georgetown

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Louisville for you.

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

Yes. momondo allows you to filter the results for Boston to Louisville flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Louisville from Boston.

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

If you are not ready to book a flight from Boston to Louisville now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Louisville and let you know when they change.

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Cheap flights from Boston to Louisville from $113

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Louisville departing on 5/30. 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 American Airlines deals on Boston to Louisville flight tickets

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How to get the cheapest flight ticket from Boston to Louisville

What is the typical price of a round-trip flight between Boston and 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?

What is the cheapest Boston Logan Intl to Louisville Intl flight route?

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

Can stopping save me money on Boston to Louisville flights?

How have Boston to Louisville flight prices changed over time?

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

What airlines fly to Louisville?

How many flights depart from Boston to Louisville on average per day?

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

When to book flights from Boston to Louisville

Cheap Boston to Louisville (BOS to SDF) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Louisville

Frequently asked questions about flying from Boston to Louisville

Best airlines flying from Boston to Louisville

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

Delta Flights From Boston to Louisville

American Airlines Flights From Boston to Louisville

Traveling to a place near Louisville?

Why use momondo?

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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