How does KAYAK find such low prices on flights from Kentucky to Idaho Falls?

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 Kentucky to Idaho Falls.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Idaho Falls from Kentucky 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 Kentucky to Idaho Falls?

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 Idaho Falls with an airline and back to Kentucky with another airline.

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

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 Idaho Falls from Kentucky up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$396 CHEAP FLIGHTS from Kentucky to Idaho Falls

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Flight Deals

Cheap Flights from Kentucky to Idaho Falls

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

Round-trip

One-way

Recent round-trip flight deals from Kentucky to Idaho Falls

Fri, Nov 13 - Tue, Nov 17

4:10 pm - 9:43 pmSDF Louisville Intl-IDA Idaho Falls Fanning Field

7h 33m1 stop Dallas/Fort Worth

1:35 pm - 11:34 pmIDA Idaho Falls Fanning Field-SDF Louisville Intl

7h 59m1 stop Dallas/Fort Worth

$429American Airlines

Thu, Nov 12 - Mon, Nov 16

4:10 pm - 9:43 pmSDF Louisville Intl-IDA Idaho Falls Fanning Field

7h 33m1 stop Dallas/Fort Worth

1:35 pm - 11:34 pmIDA Idaho Falls Fanning Field-SDF Louisville Intl

7h 59m1 stop Dallas/Fort Worth

$429American Airlines

Thu, Nov 12 - Mon, Nov 16

10:27 am - 9:09 pmSDF Louisville Intl-IDA Idaho Falls Fanning Field

12h 42m2 stops Chicago O'Hare Intl Denver Intl

2:35 pm - 10:24 pmIDA Idaho Falls Fanning Field-SDF Louisville Intl

5h 49m1 stop Denver Intl

$434United Airlines

Fri, Nov 13 - Tue, Nov 17

11:50 am - 10:59 pmSDF Louisville Intl-IDA Idaho Falls Fanning Field

13h 09m2 stops Charlotte Douglas Phoenix Sky Harbor Intl

8:00 am - 6:26 pmIDA Idaho Falls Fanning Field-SDF Louisville Intl

8h 26m1 stop Dallas/Fort Worth

$434American Airlines

Fri, Nov 13 - Tue, Nov 17

11:50 am - 10:59 pmSDF Louisville Intl-IDA Idaho Falls Fanning Field

13h 09m2 stops Charlotte Douglas Phoenix Sky Harbor Intl

6:36 am - 9:36 pmIDA Idaho Falls Fanning Field-SDF Louisville Intl

13h 00m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$439American Airlines

Sat, Jan 30 - Tue, Feb 2

9:00 am - 3:31 pmSDF Louisville Intl-IDA Idaho Falls Fanning Field

8h 31m1 stop Denver Intl

2:30 pm - 10:30 pmIDA Idaho Falls Fanning Field-SDF Louisville Intl

6h 00m1 stop Denver Intl

$469United Airlines

Sat, Jan 30 - Tue, Feb 2

9:00 am - 3:31 pmSDF Louisville Intl-IDA Idaho Falls Fanning Field

8h 31m1 stop Denver Intl

7:00 am - 7:14 pmIDA Idaho Falls Fanning Field-SDF Louisville Intl

10h 14m2 stops Denver Intl Newark

$474United Airlines

Wed, Jan 6 - Sat, Jan 9

8:20 am - 1:28 pmLEX Lexington Blue Grass-IDA Idaho Falls Fanning Field

7h 08m1 stop Denver Intl

2:30 pm - 10:15 pmIDA Idaho Falls Fanning Field-LEX Lexington Blue Grass

5h 45m1 stop Denver Intl

$514United Airlines

Wed, Jan 6 - Sat, Jan 9

10:50 am - 9:10 pmLEX Lexington Blue Grass-IDA Idaho Falls Fanning Field

12h 20m2 stops Chicago O'Hare Intl Denver Intl

2:30 pm - 10:15 pmIDA Idaho Falls Fanning Field-LEX Lexington Blue Grass

5h 45m1 stop Denver Intl

$519United Airlines

Thu, Nov 12 - Mon, Nov 16

10:53 am - 10:54 pmSDF Louisville Intl-IDA Idaho Falls Fanning Field

14h 01m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

6:04 am - 11:34 pmIDA Idaho Falls Fanning Field-SDF Louisville Intl

15h 30m2 stops Seattle/Tacoma Intl Dallas/Fort Worth

$745Alaska Airlines

Useful Info

Low season	March
High season	July
Cheapest flight	$396

Best time to beat the crowds but there is an average 4% increase in price.

Flight from Louisville to Idaho Falls

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