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

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

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

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

$134 CHEAP FLIGHTS from Idaho to Louisville

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals

Cheap Flights from Idaho to Louisville

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Idaho to Louisville

Tue, Oct 6 - Wed, Oct 14

2:41 pm - 11:27 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

6h 46m1 stop Dallas/Fort Worth

10:16 am - 2:33 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

6h 17m1 stop Chicago O'Hare Intl

$267American Airlines

Wed, Nov 25 - Tue, Dec 1

12:18 pm - 9:10 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

6h 52m1 stop Dallas/Fort Worth

6:00 am - 11:28 amSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

7h 28m1 stop Dallas/Fort Worth

$267American Airlines

Tue, Oct 6 - Wed, Oct 14

6:00 am - 2:15 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

6h 15m1 stop Phoenix Sky Harbor Intl

7:10 pm - 11:55 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

6h 45m1 stop Phoenix Sky Harbor Intl

$267Southwest

Mon, Oct 5 - Wed, Oct 14

11:10 pm - 8:57 amBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

7h 47m1 stop Atlanta Hartsfield-Jackson

6:39 pm - 11:59 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

7h 20m1 stop Minneapolis St Paul

$285Delta

Tue, Nov 3 - Sat, Nov 7

1:00 pm - 10:47 pmGEG Spokane-SDF Louisville Intl

6h 47m1 stop Atlanta Hartsfield-Jackson

7:05 am - 11:50 amSDF Louisville Intl-GEG Spokane

7h 45m1 stop Atlanta Hartsfield-Jackson

$299Delta

Tue, Oct 6 - Wed, Oct 14

6:00 am - 2:15 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

6h 15m1 stop Phoenix Sky Harbor Intl

7:10 pm - 11:55 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

6h 45m1 stop Phoenix Sky Harbor Intl

$302Southwest

Thu, Dec 10 - Sun, Dec 13

2:40 pm - 10:25 pmIDA Idaho Falls Fanning Field-SDF Louisville Intl

5h 45m1 stop Denver Intl

9:00 am - 1:37 pmSDF Louisville Intl-IDA Idaho Falls Fanning Field

6h 37m1 stop Denver Intl

$359United Airlines

Sat, Nov 14 - Tue, Nov 17

2:51 pm - 10:24 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

5h 33m1 stop Denver Intl

8:00 am - 1:45 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

7h 45m1 stop Denver Intl

$367United Airlines

Sat, Nov 14 - Tue, Nov 17

8:20 am - 11:34 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

13h 14m2 stops Seattle/Tacoma Intl Dallas/Fort Worth

6:27 am - 6:03 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

13h 36m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

$653Alaska Airlines

Sat, Nov 14 - Tue, Nov 17

8:59 pm - 9:38 amBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

10h 39m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

6:01 am - 6:03 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

14h 02m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

$653Alaska Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$134

Best time to beat the crowds with an average 7% drop in price.

Most popular time to fly and prices are also 10% lower on average.

Flight from Boise to Louisville

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