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.

$229 CHEAP FLIGHTS from Idaho to Louisville

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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

Wed, Dec 2 - Wed, Dec 9

2:49 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

7h 06m1 stop Dallas/Fort Worth

3:51 pm - 10:46 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

8h 55m1 stop Dallas/Fort Worth

$311American Airlines

Wed, Dec 2 - Wed, Dec 9

2:49 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

7h 06m1 stop Dallas/Fort Worth

7:11 am - 7:31 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

14h 20m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

$316American Airlines

Wed, Dec 2 - Wed, Dec 9

3:00 pm - 11:02 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

6h 02m1 stop Minneapolis St Paul

7:41 am - 6:38 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

12h 57m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl

$316Delta

Wed, Dec 2 - Wed, Dec 9

10:25 am - 9:51 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

9h 26m2 stops Salt Lake City Atlanta Hartsfield-Jackson

6:35 am - 4:04 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

11h 29m2 stops Minneapolis St Paul Seattle/Tacoma Intl

$321Delta

Wed, Dec 2 - Wed, Dec 9

6:20 am - 6:55 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

10h 35m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

3:10 pm - 10:35 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

9h 25m2 stops Baltimore/Washington Denver Intl

$354Southwest

Fri, Jan 22 - Fri, Jan 29

6:20 am - 2:31 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

6h 11m1 stop Denver Intl

7:00 am - 11:55 amSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

6h 55m1 stop Chicago O'Hare Intl

$377United Airlines

Fri, Jan 22 - Fri, Jan 29

8:20 am - 8:15 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

9h 55m2 stops Denver Intl Nashville Intl

11:30 am - 6:15 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

8h 45m1 stop Las Vegas Harry Reid Intl

$382Southwest

Sat, Jan 23 - Wed, Jan 27

7:00 am - 2:31 pmIDA Idaho Falls Fanning Field-SDF Louisville Intl

5h 31m1 stop Denver Intl

9:00 am - 1:28 pmSDF Louisville Intl-IDA Idaho Falls Fanning Field

6h 28m1 stop Denver Intl

$469United 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

$751Alaska 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

10:53 am - 11:49 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

14h 56m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

$751Alaska Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$229

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 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.