How does KAYAK find such low prices on flights from Worldwide 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 Worldwide to Louisville.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from Worldwide 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 Worldwide 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 Worldwide with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Worldwide 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 Worldwide up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$76 International Flights to Louisville

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Flight Deals

Book Cheap International Flights Deals to Louisville

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

Round-trip

One-way

Last minute

Recent round-trip international flight deals to Louisville

Thu, Nov 19 - Tue, Nov 24

2:37 pm - 10:53 pmSJO San José Juan Santamaria Intl-SDF Louisville Intl

7h 16m1 stop Atlanta Hartsfield-Jackson

10:13 am - 10:15 pmSDF Louisville Intl-SJO San José Juan Santamaria Intl

13h 02m1 stop Atlanta Hartsfield-Jackson

$373Delta

Tue, Oct 20 - Wed, Oct 21

3:22 pm - 9:34 amYYC Calgary-SDF Louisville Intl

16h 12m2 stops San Francisco Chicago O'Hare Intl

3:36 pm - 9:48 pmSDF Louisville Intl-YYC Calgary

8h 12m1 stop Denver Intl

$417United Airlines

Tue, Nov 3 - Tue, Nov 10

7:00 am - 10:30 pmYYC Calgary-SDF Louisville Intl

13h 30m2 stops Denver Intl Chicago O'Hare Intl

9:55 am - 10:53 pmSDF Louisville Intl-YYC Calgary

14h 58m2 stops Washington, D.C. Dulles Intl Denver Intl

$418United Airlines

Fri, Nov 13 - Tue, Nov 17

4:30 pm - 9:38 amYYC Calgary-SDF Louisville Intl

15h 08m3 stops San Francisco Los Angeles Chicago O'Hare Intl

7:00 am - 12:35 pmSDF Louisville Intl-YYC Calgary

7h 35m1 stop Chicago O'Hare Intl

$446United Airlines

Thu, Oct 22 - Wed, Oct 28

1:51 pm - 9:32 amYYC Calgary-SDF Louisville Intl

17h 41m1 stop Chicago O'Hare Intl

4:18 pm - 9:45 pmSDF Louisville Intl-YYC Calgary

7h 27m1 stop Dallas/Fort Worth

$451American Airlines

Mon, Oct 19 - Wed, Oct 21

7:00 am - 7:10 pmYYC Calgary-SDF Louisville Intl

10h 10m1 stop Atlanta Hartsfield-Jackson

7:55 am - 8:15 pmSDF Louisville Intl-YYC Calgary

14h 20m1 stop Detroit Metropolitan Wayne County

$458WestJet

Tue, Nov 10 - Sun, Nov 15

2:07 pm - 11:38 pmSJO San José Juan Santamaria Intl-SDF Louisville Intl

8h 31m1 stop Charlotte Douglas

5:00 am - 1:07 pmSDF Louisville Intl-SJO San José Juan Santamaria Intl

9h 07m1 stop Charlotte Douglas

$485American Airlines

Fri, Nov 6 - Thu, Nov 12

6:05 am - 3:26 pmMEX Mexico City Benito Juarez-SDF Louisville Intl

32h 21m2 stops Houston George Bush Intcntl Raleigh-Durham

8:02 pm - 7:45 pmSDF Louisville Intl-MEX Mexico City Benito Juarez

24h 43m1 stop Orlando Sanford Intl

$566Multiple Airlines

Fri, Nov 6 - Thu, Nov 12

6:05 am - 3:26 pmMEX Mexico City Benito Juarez-SDF Louisville Intl

32h 21m2 stops Houston George Bush Intcntl Raleigh-Durham

8:02 pm - 7:45 pmSDF Louisville Intl-MEX Mexico City Benito Juarez

24h 43m1 stop Orlando Sanford Intl

$567Multiple Airlines

Wed, Dec 2 - Sun, Dec 6

7:50 am - 9:51 pmMEX Mexico City Benito Juarez-SDF Louisville Intl

13h 01m2 stops Monterrey Gen Mariano Escobedo Atlanta Hartsfield-Jackson

7:00 am - 7:45 pmSDF Louisville Intl-MEX Mexico City Benito Juarez

13h 45m2 stops Atlanta Hartsfield-Jackson Monterrey Gen Mariano Escobedo

$601Aeromexico

Recent last minute international flight deals to Louisville

Sat, Sep 26 - Mon, Oct 12

8:02 am - 12:03 pmGDL Guadalajara Miguel Hidal-SDF Louisville Intl

26h 01m1 stop Orlando

7:35 pm - 3:27 pmSDF Louisville Intl-GDL Guadalajara Miguel Hidal

45h 52m2 stops Fort Lauderdale Atlanta Hartsfield-Jackson

$603Multiple Airlines

Thu, Sep 24 - Sun, Sep 27

5:55 pm - 8:31 pmSJO San José Juan Santamaria Intl-SDF Louisville Intl

24h 36m2 stops Panama City Tocumen Intl Chicago O'Hare Intl

9:04 am - 9:48 pmSDF Louisville Intl-SJO San José Juan Santamaria Intl

14h 44m2 stops Chicago O'Hare Intl Panama City Tocumen Intl

$667Copa Airlines

Thu, Sep 24 - Sun, Sep 27

1:25 pm - 7:55 pmSJO San José Juan Santamaria Intl-SDF Louisville Intl

28h 30m1 stop Houston George Bush Intcntl

9:04 am - 12:21 pmSDF Louisville Intl-SJO San José Juan Santamaria Intl

29h 17m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

$698United Airlines

Wed, Sep 23 - Tue, Sep 29

1:25 pm - 5:40 pmSJO San José Juan Santamaria Intl-SDF Louisville Intl

26h 15m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

1:50 pm - 11:38 amSDF Louisville Intl-SJO San José Juan Santamaria Intl

23h 48m2 stops Chicago O'Hare Intl Newark

$712United Airlines

Wed, Sep 23 - Tue, Sep 29

2:57 pm - 11:44 pmSJO San José Juan Santamaria Intl-SDF Louisville Intl

30h 47m1 stop Miami

5:48 pm - 12:59 pmSDF Louisville Intl-SJO San José Juan Santamaria Intl

21h 11m2 stops Washington, D.C. Reagan-National Miami

$832American Airlines

Fri, Sep 25 - Sun, Oct 4

6:13 am - 6:50 pmGDL Guadalajara Miguel Hidal-SDF Louisville Intl

10h 37m1 stop Dallas/Fort Worth

5:49 pm - 10:00 pmSDF Louisville Intl-GDL Guadalajara Miguel Hidal

6h 11m1 stop Dallas/Fort Worth

$888American Airlines

Thu, Sep 24 - Mon, Oct 12

8:55 am - 9:16 pmDUB Dublin-SDF Louisville Intl

17h 21m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

5:38 pm - 3:25 pmSDF Louisville Intl-DUB Dublin

16h 47m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

$984Delta

Thu, Sep 24 - Sun, Oct 4

5:55 am - 5:19 pmDUB Dublin-SDF Louisville Intl

16h 24m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

11:04 am - 9:15 amSDF Louisville Intl-DUB Dublin

17h 11m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

$985Delta

Wed, Sep 23 - Sat, Oct 10

11:45 am - 7:10 pmDUB Dublin-SDF Louisville Intl

12h 25m1 stop Charlotte Douglas

12:33 pm - 6:30 amSDF Louisville Intl-DUB Dublin

12h 57m1 stop Philadelphia

$1,002British Airways

Wed, Sep 23 - Sat, Oct 10

11:45 am - 10:55 pmDUB Dublin-SDF Louisville Intl

16h 10m2 stops Charlotte Douglas Philadelphia

5:59 pm - 9:35 amSDF Louisville Intl-DUB Dublin

10h 36m1 stop Charlotte Douglas

$1,006British Airways

Booking Insights

KAYAK's insights & trends for flights to Louisville

Get data-powered insights and trends for flights to Louisville to help you find the cheapest flights, the best time to fly and much more.

What are the most popular airlines flying to Louisville?

The most popular airline among KAYAK users flying to Louisville is Delta, followed by American Airlines and United Airlines.

Low season	January
High season	April
Cheapest flight	$76

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

Flight from Atlanta to Louisville

How does KAYAK find such low prices on flights from Worldwide 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 Worldwide to Louisville.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Worldwide to Louisville?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from Worldwide 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 Worldwide 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 Worldwide with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Worldwide 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 Worldwide up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.