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Cheap flights from Boston to Louisville from $87

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 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boston to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
9:51 am - 6:39 pm
BOS
-
SDF
8h 48m1 stop
American Airlines Logo
8:07 am - 4:43 pm
SDF
-
BOS
8h 36m1 stop
$171American Airlines
Thu, Feb 5 - Mon, Feb 9
Southwest Logo
5:30 am - 12:15 pm
BOS
-
SDF
6h 45m1 stop
Southwest Logo
2:30 pm - 10:05 pm
SDF
-
BOS
7h 35m1 stop
$178Southwest
Tue, Feb 10 - Tue, Feb 10
American Airlines Logo
9:51 am - 6:39 pm
BOS
-
SDF
8h 48m1 stop
American Airlines Logo
8:07 am - 4:43 pm
SDF
-
BOS
8h 36m1 stop
$179American Airlines
Thu, Jan 29 - Fri, Jan 30
American Airlines Logo
6:36 am - 5:19 pm
BOS
-
SDF
10h 43m1 stop
American Airlines Logo
8:07 am - 5:03 pm
SDF
-
BOS
8h 56m1 stop
$187American Airlines
Wed, Dec 31 - Tue, Jan 13
Multiple Airlines Logo
6:00 am - 1:26 pm
BOS
-
SDF
31h 26m2 stops
Multiple Airlines Logo
1:55 pm - 11:19 pm
SDF
-
BOS
9h 24m1 stop
$198Multiple Airlines
Sat, Feb 7 - Wed, Feb 11
Multiple Airlines Logo
3:43 pm - 1:00 pm
BOS
-
SDF
21h 17m1 stop
Multiple Airlines Logo
3:36 pm - 1:13 am
SDF
-
BOS
33h 37m2 stops
$214Multiple Airlines
Tue, Jan 20 - Thu, Jan 29
Multiple Airlines Logo
11:55 am - 11:59 pm
BOS
-
SDF
12h 04m1 stop
Multiple Airlines Logo
1:55 pm - 11:10 am
SDF
-
BOS
21h 15m1 stop
$216Multiple Airlines
Wed, Dec 31 - Wed, Jan 14
Spirit Airlines Logo
11:55 am - 11:59 pm
BOS
-
SDF
12h 04m1 stop
Spirit Airlines Logo
3:36 pm - 11:57 pm
SDF
-
BOS
8h 21m1 stop
$217Spirit Airlines
Wed, Dec 31 - Tue, Jan 13
Multiple Airlines Logo
6:00 am - 10:07 am
BOS
-
SDF
28h 07m2 stops
Multiple Airlines Logo
1:55 pm - 11:19 pm
SDF
-
BOS
9h 24m1 stop
$220Multiple Airlines
Sun, Feb 8 - Wed, Feb 11
American Airlines Logo
12:55 pm - 11:19 pm
BOS
-
SDF
10h 24m1 stop
American Airlines Logo
8:07 am - 4:43 pm
SDF
-
BOS
8h 36m1 stop
$221American Airlines
Wed, Jan 28 - Sun, Feb 1

American Airlines flights from Boston to Louisville

Our best American Airlines deals on Boston to Louisville flight tickets
American Airlines
Feb 5
BOS9:51 amBoston Logan Intl
8h 48m
1 stop
SDF6:39 pmLouisville Intl
Feb 9
SDF8:07 amLouisville Intl
8h 36m
1 stop
BOS4:43 pmBoston Logan Intl
$171
Find similar
American Airlines
Jan 29
BOS9:51 amBoston Logan Intl
8h 48m
1 stop
SDF6:39 pmLouisville Intl
Jan 30
SDF8:07 amLouisville Intl
8h 36m
1 stop
BOS4:43 pmBoston Logan Intl
$179
Find similar
American Airlines
Dec 31
BOS6:36 amBoston Logan Intl
10h 43m
1 stop
SDF5:19 pmLouisville Intl
Jan 13
SDF8:07 amLouisville Intl
8h 56m
1 stop
BOS5:03 pmBoston Logan Intl
$187
Find similar

Southwest flights from Boston to Louisville

Our best Southwest deals on Boston to Louisville flight tickets
Southwest
Feb 10
BOS5:30 amBoston Logan Intl
6h 45m
1 stop
SDF12:15 pmLouisville Intl
Feb 10
SDF2:30 pmLouisville Intl
7h 35m
1 stop
BOS10:05 pmBoston Logan Intl
$178
Find similar
Southwest
Jan 10
BOS5:30 amBoston Logan Intl
6h 40m
1 stop
SDF12:10 pmLouisville Intl
Jan 13
SDF6:45 amLouisville Intl
9h 25m
2 stops
BOS4:10 pmBoston Logan Intl
$237
Find similar
Southwest
Jan 10
BOS8:50 amBoston Logan Intl
10h 20m
2 stops
SDF7:10 pmLouisville Intl
Jan 13
SDF12:50 pmLouisville Intl
9h 15m
2 stops
BOS10:05 pmBoston Logan Intl
$242
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Louisville 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, momondo users made 832,500 searches. Data last updated December 4, 2025.
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

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Thu 2/5

9:51 am-6:39 pm

1 stop8h 48m

Louisville Intl

Mon 2/9

8:07 am-4:43 pm

1 stop8h 36m

$171

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Tue 2/10

5:30 am-12:15 pm

1 stop6h 45m

Louisville Intl

Tue 2/10

2:30 pm-10:05 pm

1 stop7h 35m

$178

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Thu 1/29

9:51 am-6:39 pm

1 stop8h 48m

Louisville Intl

Fri 1/30

8:07 am-4:43 pm

1 stop8h 36m

$179

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 12/31

6:36 am-5:19 pm

1 stop10h 43m

Louisville Intl

Tue 1/13

8:07 am-5:03 pm

1 stop8h 56m

$187

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Sat 2/7

6:00 am-1:26 pm

2 stops31h 26m

Louisville Intl

Wed 2/11

1:55 pm-11:19 pm

1 stop9h 24m

$198

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Tue 1/20

3:43 pm-1:00 pm

1 stop21h 17m

Louisville Intl

Thu 1/29

3:36 pm-1:13 am

2 stops33h 37m

$214

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 12/31

11:55 am-11:59 pm

1 stop12h 04m

Louisville Intl

Wed 1/14

1:55 pm-11:10 am

1 stop21h 15m

$216

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 12/31

11:55 am-11:59 pm

1 stop12h 04m

Louisville Intl

Tue 1/13

3:36 pm-11:57 pm

1 stop8h 21m

$217

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Sun 2/8

6:00 am-10:07 am

2 stops28h 07m

Louisville Intl

Wed 2/11

1:55 pm-11:19 pm

1 stop9h 24m

$220

BostonLouisville

BOS - SDF

BOSSDF

Boston Logan Intl

Wed 1/28

12:55 pm-11:19 pm

1 stop10h 24m

Louisville Intl

Sun 2/1

8:07 am-4:43 pm

1 stop8h 36m

$221

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 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 March is also very affordable. Most momondo users find prices during this month for around $341.

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 $343. 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 $411. 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 morning. Our users have found flights to Louisville in the morning for as low as $378. In the evening is when there is more demand to fly to Louisville, so prices are often more expensive at around $409 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 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 $383 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 $331 on momondo.

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

There are 4 cabin classes available to choose from on Boston Logan Intl to Louisville Intl 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?

You could potentially save up to 21% on your flight if you consider stops on a Boston to Louisville flight.

How have Boston to Louisville flight prices changed over time?

As of December 2025, prices for Boston to Louisville flights are approximately 72% 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

$272

Fastest flight time

2h 39m

Direct flights

Every day

Airports in Louisville

1 airport
The best one-way flight to Louisville from Boston in the past 72 hours is $272. The best round-trip flight deal from Boston to Louisville found on momondo in the last 72 hours is $346.
The fastest flight from Boston to Louisville takes 2h 39m
Direct flights go from Boston to Louisville every day.
There is 1 airport near Louisville: Louisville Intl (SDF)
Search flight deals

  • 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 44m 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
Spirit AirlinesPriceFrom $119Free CancellationRating
6.3
8,157 reviews
Search Spirit Airlines flights
DeltaPriceFrom $241Free CancellationRating
7.9
8,011 reviews
Search Delta flights
American AirlinesPriceFrom $279Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
SouthwestPriceFrom $286Free CancellationRating
8.0
4,250 reviews
Search Southwest flights
United AirlinesPriceFrom $289Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights

  • Delta Flights From Boston to Louisville

    Across 3 Delta flights from Boston to Louisville this week, the average price was $390, with the best Delta deals starting from $241 round-trip. 8,011 users have rated Delta on momondo, with an average score of 7.9/10.

  • American Airlines Flights From Boston to Louisville

    American Airlines (7.2/10 from 11,047 reviews) operates around 5 flights from Boston to Louisville in any given week. The average American Airlines airfare for this route is around $387, with deals from around $279 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
West Baden Springs
Bardstown
Jeffersonville
Shepherdsville
New Albany
Corydon
Elizabeth
Charlestown
Springfield
Brandenburg
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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