How does KAYAK find such low prices on flights from Massachusetts to Louisville?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Massachusetts to Louisville.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to Louisville?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from Massachusetts is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Massachusetts to Louisville?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Louisville with an airline and back to Massachusetts with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to Louisville?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Louisville from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$156 CHEAP FLIGHTS from Massachusetts to Louisville

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Flight Deals

Cheap Flights from Massachusetts to Louisville

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Massachusetts to Louisville

Thu, Nov 26 - Tue, Dec 1

6:48 am - 4:01 pmBOS Boston Logan Intl-SDF Louisville Intl

9h 13m1 stop Chicago O'Hare Intl

5:20 pm - 7:38 pmSDF Louisville Intl-BOS Boston Logan Intl

2h 18mnonstop

$454American Airlines

Tue, Dec 22 - Sun, Dec 27

10:25 pm - 10:00 amBOS Boston Logan Intl-SDF Louisville Intl

11h 35m1 stop Chicago Midway

5:40 am - 11:55 amSDF Louisville Intl-BOS Boston Logan Intl

6h 15m1 stop Baltimore/Washington

$455Southwest

Wed, Dec 23 - Sun, Dec 27

10:25 pm - 10:30 amBOS Boston Logan Intl-SDF Louisville Intl

12h 05m1 stop Chicago Midway

7:15 pm - 12:40 amSDF Louisville Intl-BOS Boston Logan Intl

5h 25m1 stop Nashville Intl

$455Southwest

Wed, Nov 18 - Sun, Nov 22

12:39 pm - 8:29 pmBOS Boston Logan Intl-SDF Louisville Intl

31h 50m2 stops Atlanta Hartsfield-Jackson Tampa

6:17 pm - 10:11 amSDF Louisville Intl-BOS Boston Logan Intl

15h 54m1 stop Orlando Sanford Intl

$458Multiple Airlines

Thu, Nov 19 - Sat, Nov 21

9:22 am - 5:50 pmBOS Boston Logan Intl-SDF Louisville Intl

8h 28m1 stop Washington, D.C. Reagan-National

5:20 pm - 7:38 pmSDF Louisville Intl-BOS Boston Logan Intl

2h 18mnonstop

$460American Airlines

Wed, Mar 17 - Mon, Mar 22

9:30 am - 12:18 pmBOS Boston Logan Intl-SDF Louisville Intl

2h 48mnonstop

1:00 pm - 3:30 pmSDF Louisville Intl-BOS Boston Logan Intl

2h 30mnonstop

$464Delta

Mon, Dec 21 - Tue, Dec 22

5:15 pm - 8:10 pmBOS Boston Logan Intl-SDF Louisville Intl

2h 55mnonstop

8:04 am - 10:30 amSDF Louisville Intl-BOS Boston Logan Intl

2h 26mnonstop

$464Delta

Fri, Nov 20 - Thu, Dec 3

8:36 am - 3:26 pmBOS Boston Logan Intl-SDF Louisville Intl

30h 50m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham

5:53 pm - 11:11 amSDF Louisville Intl-BOS Boston Logan Intl

17h 18m1 stop Sarasota Bradenton Intl

$469Multiple Airlines

Tue, Nov 24 - Sat, Nov 28

7:31 am - 1:35 pmBOS Boston Logan Intl-SDF Louisville Intl

6h 04m1 stop Chicago O'Hare Intl

5:10 am - 10:19 amSDF Louisville Intl-BOS Boston Logan Intl

5h 09m1 stop Chicago O'Hare Intl

$483United Airlines

Sat, Nov 21 - Thu, Dec 3

5:30 am - 2:47 pmBOS Boston Logan Intl-SDF Louisville Intl

9h 17m1 stop Washington, D.C. Dulles Intl

9:55 am - 11:59 pmSDF Louisville Intl-BOS Boston Logan Intl

14h 04m1 stop Washington, D.C. Dulles Intl

$489United Airlines

Recent last minute flight deals from Massachusetts to Louisville

Tue, Nov 3 - Mon, Nov 23

2:00 pm - 4:49 pmBOS Boston Logan Intl-SDF Louisville Intl

2h 49mnonstop

10:01 am - 6:46 pmSDF Louisville Intl-BOS Boston Logan Intl

8h 45m1 stop Chicago O'Hare Intl

$524American Airlines

Tue, Nov 3 - Mon, Nov 23

5:30 am - 2:20 pmBOS Boston Logan Intl-SDF Louisville Intl

8h 50m2 stops Baltimore/Washington Orlando

11:50 am - 7:55 pmSDF Louisville Intl-BOS Boston Logan Intl

8h 05m2 stops Orlando Baltimore/Washington

$563Southwest

Tue, Nov 3 - Mon, Nov 23

9:45 am - 12:27 pmBOS Boston Logan Intl-SDF Louisville Intl

2h 42mnonstop

1:30 pm - 4:01 pmSDF Louisville Intl-BOS Boston Logan Intl

2h 31mnonstop

$573Delta

Sat, Oct 31 - Sun, Nov 1

9:02 am - 9:28 amBOS Boston Logan Intl-SDF Louisville Intl

24h 26m2 stops Knoxville McGhee Tyson Punta Gorda

7:42 pm - 12:09 pmSDF Louisville Intl-BOS Boston Logan Intl

16h 27m1 stop Sarasota Bradenton Intl

$575Allegiant Air

Sat, Oct 31 - Sun, Nov 1

4:15 pm - 10:47 pmBOS Boston Logan Intl-SDF Louisville Intl

6h 32m1 stop Atlanta Hartsfield-Jackson

3:37 pm - 6:14 pmSDF Louisville Intl-BOS Boston Logan Intl

2h 37mnonstop

$583Delta

Sat, Oct 31 - Sun, Nov 1

5:57 pm - 11:30 pmBOS Boston Logan Intl-SDF Louisville Intl

5h 33m1 stop Newark

5:10 am - 10:19 amSDF Louisville Intl-BOS Boston Logan Intl

5h 09m1 stop Chicago O'Hare Intl

$588United Airlines

Sat, Oct 31 - Sun, Nov 1

11:18 am - 2:00 pmBOS Boston Logan Intl-SDF Louisville Intl

2h 42mnonstop

5:20 pm - 7:57 pmSDF Louisville Intl-BOS Boston Logan Intl

2h 37mnonstop

$592American Airlines

Sat, Oct 31 - Sun, Nov 1

12:00 pm - 7:30 pmBOS Boston Logan Intl-SDF Louisville Intl

7h 30m2 stops Newark Washington, D.C. Dulles Intl

11:17 am - 3:50 pmSDF Louisville Intl-BOS Boston Logan Intl

4h 33m1 stop Newark

$598United Airlines

Sun, Nov 1 - Wed, Nov 11

5:20 am - 12:10 pmBOS Boston Logan Intl-SDF Louisville Intl

6h 50m1 stop Nashville Intl

5:40 am - 10:35 amSDF Louisville Intl-BOS Boston Logan Intl

4h 55m1 stop Baltimore/Washington

$612Southwest

Sun, Nov 1 - Sun, Nov 8

12:39 pm - 10:59 amBOS Boston Logan Intl-SDF Louisville Intl

22h 20m2 stops Atlanta Hartsfield-Jackson New Orleans Louis Armstrong

9:20 pm - 12:08 pmSDF Louisville Intl-BOS Boston Logan Intl

14h 48m1 stop Sarasota Bradenton Intl

$709Multiple Airlines

Recent direct flight deals from Massachusetts to Louisville

Wed, Dec 2 - Sun, Dec 6

1:55 pm - 4:48 pmBOS Boston Logan Intl-SDF Louisville Intl

2h 53mnonstop

5:30 pm - 7:55 pmSDF Louisville Intl-BOS Boston Logan Intl

2h 25mnonstop

$464American Airlines

Tue, Feb 16 - Thu, Feb 18

2:40 pm - 5:28 pmBOS Boston Logan Intl-SDF Louisville Intl

2h 48mnonstop

6:00 pm - 8:23 pmSDF Louisville Intl-BOS Boston Logan Intl

2h 23mnonstop

$464American Airlines

Wed, Mar 17 - Mon, Mar 22

9:30 am - 12:18 pmBOS Boston Logan Intl-SDF Louisville Intl

2h 48mnonstop

1:00 pm - 3:30 pmSDF Louisville Intl-BOS Boston Logan Intl

2h 30mnonstop

$464Delta

Mon, Dec 21 - Tue, Dec 22

5:15 pm - 8:10 pmBOS Boston Logan Intl-SDF Louisville Intl

2h 55mnonstop

8:04 am - 10:30 amSDF Louisville Intl-BOS Boston Logan Intl

2h 26mnonstop

$464Delta

Tue, Nov 24 - Fri, Nov 27

9:55 am - 12:42 pmBOS Boston Logan Intl-SDF Louisville Intl

2h 47mnonstop

1:30 pm - 4:01 pmSDF Louisville Intl-BOS Boston Logan Intl

2h 31mnonstop

$464Delta

Wed, Mar 10 - Sun, Mar 14

9:30 am - 12:18 pmBOS Boston Logan Intl-SDF Louisville Intl

2h 48mnonstop

1:00 pm - 3:30 pmSDF Louisville Intl-BOS Boston Logan Intl

2h 30mnonstop

$464Delta

Wed, Mar 10 - Sat, Mar 13

9:30 am - 12:18 pmBOS Boston Logan Intl-SDF Louisville Intl

2h 48mnonstop

1:00 pm - 3:30 pmSDF Louisville Intl-BOS Boston Logan Intl

2h 30mnonstop

$464Delta

Sat, Nov 21 - Wed, Dec 2

11:45 am - 2:35 pmBOS Boston Logan Intl-SDF Louisville Intl

2h 50mnonstop

1:30 pm - 3:51 pmSDF Louisville Intl-BOS Boston Logan Intl

2h 21mnonstop

$476Delta

Tue, Nov 17 - Tue, Dec 1

9:55 am - 12:42 pmBOS Boston Logan Intl-SDF Louisville Intl

2h 47mnonstop

1:30 pm - 3:51 pmSDF Louisville Intl-BOS Boston Logan Intl

2h 21mnonstop

$476Delta

Tue, Nov 17 - Wed, Dec 2

9:55 am - 12:42 pmBOS Boston Logan Intl-SDF Louisville Intl

2h 47mnonstop

1:30 pm - 3:51 pmSDF Louisville Intl-BOS Boston Logan Intl

2h 21mnonstop

$476Delta

Useful Info

Low season	January
High season	July
Cheapest flight	$156

Best time to beat the crowds with an average 5% drop in price.

Most popular time to fly with an average 2% increase in price.

Flight from Boston to Louisville

How does KAYAK find such low prices on flights from Massachusetts to Louisville?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Massachusetts to Louisville.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to Louisville?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from Massachusetts is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Massachusetts to Louisville?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Louisville with an airline and back to Massachusetts with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to Louisville?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Louisville from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.