Cheap flights from Boston to Louisville from $168

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:15 am - 3:05 pmBOS  Boston Logan Intl-SDF Louisville Intl
9h 50m2 stops Nashville Intl Chicago Midway
Southwest Logo
4:35 pm - 10:20 pmSDF  Louisville Intl-BOS Boston Logan Intl
5h 45m1 stop Nashville Intl
$450Southwest
Wed, Mar 31 - Wed, Apr 7
Southwest Logo
11:30 am - 8:55 pmBOS  Boston Logan Intl-SDF Louisville Intl
9h 25m2 stops Chicago Midway Nashville Intl
Southwest Logo
5:40 am - 12:35 pmSDF  Louisville Intl-BOS Boston Logan Intl
6h 55m1 stop Baltimore/Washington
$450Southwest
Wed, Apr 28 - Sat, May 1
Multiple Airlines Logo
9:25 am - 3:26 pmBOS  Boston Logan Intl-SDF Louisville Intl
6h 01m1 stop Raleigh-Durham
Multiple Airlines Logo
6:54 pm - 9:39 amSDF  Louisville Intl-BOS Boston Logan Intl
14h 45m1 stop Fort Lauderdale
$453Multiple Airlines
Sat, Nov 21 - Mon, Nov 23
American Airlines Logo
2:00 pm - 4:47 pmBOS  Boston Logan Intl-SDF Louisville Intl
2h 47mnonstop
American Airlines Logo
5:30 pm - 7:55 pmSDF  Louisville Intl-BOS Boston Logan Intl
2h 25mnonstop
$464American Airlines
Tue, Dec 1 - Sun, Dec 6
Delta Logo
9:55 am - 12:42 pmBOS  Boston Logan Intl-SDF Louisville Intl
2h 47mnonstop
Delta Logo
1:45 pm - 4:06 pmSDF  Louisville Intl-BOS Boston Logan Intl
2h 21mnonstop
$464Delta
Mon, Nov 30 - Sat, Dec 5
Delta Logo
9:55 am - 12:49 pmBOS  Boston Logan Intl-SDF Louisville Intl
2h 54mnonstop
Delta Logo
1:39 pm - 4:00 pmSDF  Louisville Intl-BOS Boston Logan Intl
2h 21mnonstop
$464Delta
Wed, Dec 2 - Sun, Dec 6
American Airlines Logo
8:20 am - 5:54 pmBOS  Boston Logan Intl-SDF Louisville Intl
9h 34m1 stop Washington, D.C. Reagan-National
American Airlines Logo
5:30 pm - 7:55 pmSDF  Louisville Intl-BOS Boston Logan Intl
2h 25mnonstop
$472American Airlines
Thu, Dec 3 - Thu, Dec 10
Multiple Airlines Logo
11:06 am - 3:26 pmBOS  Boston Logan Intl-SDF Louisville Intl
28h 20m2 stops Orlando Raleigh-Durham
Multiple Airlines Logo
6:54 pm - 9:39 amSDF  Louisville Intl-BOS Boston Logan Intl
14h 45m1 stop Fort Lauderdale
$473Multiple Airlines
Fri, Nov 20 - Mon, Nov 23
United Airlines Logo
1:16 pm - 6:47 pmBOS  Boston Logan Intl-SDF Louisville Intl
5h 31m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 pm - 1:18 amSDF  Louisville Intl-BOS Boston Logan Intl
7h 18m1 stop Chicago O'Hare Intl
$484United Airlines
Sun, Dec 20 - Sat, Dec 26
United Airlines Logo
7:01 pm - 11:59 pmBOS  Boston Logan Intl-SDF Louisville Intl
4h 58m1 stop Newark
United Airlines Logo
10:25 am - 5:41 pmSDF  Louisville Intl-BOS Boston Logan Intl
7h 16m2 stops Chicago O'Hare Intl Newark
$489United Airlines
Tue, Dec 1 - Sun, Dec 6

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Southwest flights from Boston to Louisville

Our best Southwest deals on Boston to Louisville flight tickets
Southwest
Mar 31
BOS5:15 amBoston Logan Intl
9h 50m
2 stops
SDF3:05 pmLouisville Intl
Apr 7
SDF4:35 pmLouisville Intl
5h 45m
1 stop
BOS10:20 pmBoston Logan Intl
$450
Southwest
Dec 8
BOS11:20 amBoston Logan Intl
9h 20m
2 stops
SDF8:40 pmLouisville Intl
Dec 10
SDF3:50 pmLouisville Intl
6h 25m
1 stop
BOS10:15 pmBoston Logan Intl
$454
Southwest
Dec 21
BOS6:30 amBoston Logan Intl
9h 05m
2 stops
SDF3:35 pmLouisville Intl
Dec 27
SDF7:15 pmLouisville Intl
5h 25m
1 stop
BOS12:40 amBoston Logan Intl
$455

United Airlines flights from Boston to Louisville

Our best United Airlines deals on Boston to Louisville flight tickets
United Airlines
Dec 5
BOS5:45 amBoston Logan Intl
9h 06m
1 stop
SDF2:51 pmLouisville Intl
Dec 8
SDF9:55 amLouisville Intl
14h 04m
1 stop
BOS11:59 pmBoston Logan Intl
$493
United Airlines
Nov 17
BOS9:30 amBoston Logan Intl
5h 17m
1 stop
SDF2:47 pmLouisville Intl
Nov 21
SDF9:17 amLouisville Intl
8h 08m
1 stop
BOS5:25 pmBoston Logan Intl
$647
United Airlines
Nov 11
BOS10:30 amBoston Logan Intl
10h 22m
2 stops
SDF8:52 pmLouisville Intl
Nov 15
SDF5:40 amLouisville Intl
5h 27m
1 stop
BOS11:07 amBoston Logan Intl
$680

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Wed 3/31

5:15 am-3:05 pm

2 stops9h 50m

Louisville Intl

Wed 4/7

4:35 pm-10:20 pm

1 stop5h 45m

$450

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Wed 4/28

11:30 am-8:55 pm

2 stops9h 25m

Louisville Intl

Sat 5/1

5:40 am-12:35 pm

1 stop6h 55m

$450

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Sat 11/21

9:25 am-3:26 pm

1 stop6h 01m

Louisville Intl

Mon 11/23

6:54 pm-9:39 am

1 stop14h 45m

$453

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Tue 12/1

2:00 pm-4:47 pm

Nonstop2h 47m

Louisville Intl

Sun 12/6

5:30 pm-7:55 pm

Nonstop2h 25m

$464
Quickest round-trip

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Mon 11/30

9:55 am-12:42 pm

Nonstop2h 47m

Louisville Intl

Sat 12/5

1:45 pm-4:06 pm

Nonstop2h 21m

$464

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Wed 12/2

9:55 am-12:49 pm

Nonstop2h 54m

Louisville Intl

Sun 12/6

1:39 pm-4:00 pm

Nonstop2h 21m

$464

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Thu 12/3

8:20 am-5:54 pm

1 stop9h 34m

Louisville Intl

Thu 12/10

5:30 pm-7:55 pm

Nonstop2h 25m

$472

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Fri 11/20

11:06 am-3:26 pm

2 stops28h 20m

Louisville Intl

Mon 11/23

6:54 pm-9:39 am

1 stop14h 45m

$473

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Sun 12/20

1:16 pm-6:47 pm

1 stop5h 31m

Louisville Intl

Sat 12/26

6:00 pm-1:18 am

1 stop7h 18m

$484

BostonLouisville

BOS Boston Logan Intl - SDF Louisville Intl

BOSSDF

Boston Logan Intl

Tue 12/1

7:01 pm-11:59 pm

1 stop4h 58m

Louisville Intl

Sun 12/6

10:25 am-5:41 pm

2 stops7h 16m

$489

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Louisville from

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

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

Prices are currently typical for flights on this route.

Typical prices usually range from $444 to $575.
The lowest price recently found on this route was $450.

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of February, then departing from Boston during the month August is also very affordable. Most momondo users find prices during this month for around $433.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $455. 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 $547. 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 $397. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $502 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 $484 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 $405 on momondo.

What cabin class options are available on Boston to Louisville flights?

There are 4 cabin classes available to choose from on Boston to Louisville flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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 November 2026, prices for Boston to Louisville flights are approximately 2% cheaper 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

$168

Fastest flight time

2h 40m

Direct flights

Every day

Airports in Louisville

1 airport
The best one-way flight to Louisville from Boston in the past 72 hours is $168. The best round-trip flight deal from Boston to Louisville found on momondo in the last 72 hours is $450.
The fastest flight from Boston to Louisville takes 2h 40m
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).

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 40m 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?

  • 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?

  • What is the most popular airline 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
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $268Free CancellationRating
7.1
3,064 reviews
Search JetBlue flights
American AirlinesPriceFrom $324Free CancellationRating
7.0
12,228 reviews
Search American Airlines flights
DeltaPriceFrom $333Free CancellationRating
7.8
8,700 reviews
Search Delta flights
SouthwestPriceFrom $342Free CancellationRating
8.0
4,214 reviews
Search Southwest flights
United AirlinesPriceFrom $376Free CancellationRating
7.3
10,462 reviews
Search United Airlines flights
  • Delta Flights From Boston to Louisville

    Across 1 Delta flight from Boston to Louisville this week, the average price was $512, with the best Delta deals starting from $333 round-trip. 8,700 users have rated Delta on momondo, with an average score of 7.8/10.

  • American Airlines Flights From Boston to Louisville

    American Airlines (7.0/10 from 12,228 reviews) operates around 7 flights from Boston to Louisville in any given week. The average American Airlines airfare for this route is around $476, with deals from around $324 rare but found on momondo. Referenced prices are for round-trip Boston to Louisville flight searches in the last 72 hours.

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
Jeffersonville
West Baden Springs
New Albany
Shepherdsville
Bardstown
Elizabeth
Charlestown
Corydon
Brandenburg
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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Sat 12/5
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