IDA - SDF

$464 Find Cheap Flights from Idaho Falls to Louisville - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$464
Typical prices: $428-$658
United Airlines
Wed 10/24Sun 10/28
IDA - SDF • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Idaho Falls and Louisville. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
May
Cheapest • 24% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $495 (round-trip)
Denver Intl (DEN)
Shortest trip • 6h 25m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Idaho Falls to Louisville (IDA-SDF)

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

Recent round-trip flight deals from Idaho Falls to Louisville

Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
2:28 pm - 10:32 pmIDA  Idaho Falls Fanning Field-SDF Louisville Intl
6h 04m1 stop Denver Intl
United Airlines Logo
8:00 am - 1:28 pmSDF  Louisville Intl-IDA Idaho Falls Fanning Field
7h 28m1 stop Denver Intl
$464United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
2:28 pm - 10:32 pmIDA  Idaho Falls Fanning Field-SDF Louisville Intl
6h 04m1 stop Denver Intl
United Airlines Logo
5:10 am - 1:28 pmSDF  Louisville Intl-IDA Idaho Falls Fanning Field
10h 18m2 stops Chicago O'Hare Intl Denver Intl
$469United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
10:35 am - 11:59 pmIDA  Idaho Falls Fanning Field-SDF Louisville Intl
11h 24m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
7:00 am - 1:28 pmSDF  Louisville Intl-IDA Idaho Falls Fanning Field
8h 28m2 stops Chicago O'Hare Intl Denver Intl
$474United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
2:28 pm - 10:32 pmIDA  Idaho Falls Fanning Field-SDF Louisville Intl
6h 04m1 stop Denver Intl
United Airlines Logo
8:00 am - 1:28 pmSDF  Louisville Intl-IDA Idaho Falls Fanning Field
7h 28m1 stop Denver Intl
$484United Airlines
Sat, Oct 24 - Wed, Oct 28
United Airlines Logo
2:28 pm - 10:32 pmIDA  Idaho Falls Fanning Field-SDF Louisville Intl
6h 04m1 stop Denver Intl
United Airlines Logo
5:10 am - 1:28 pmSDF  Louisville Intl-IDA Idaho Falls Fanning Field
10h 18m2 stops Chicago O'Hare Intl Denver Intl
$489United Airlines
Wed, Oct 21 - Fri, Oct 23
American Airlines Logo
1:50 pm - 9:35 pmIDA  Idaho Falls Fanning Field-SDF Louisville Intl
5h 45m1 stop Chicago O'Hare Intl
American Airlines Logo
5:19 pm - 1:20 pmSDF  Louisville Intl-IDA Idaho Falls Fanning Field
22h 01m1 stop Chicago O'Hare Intl
$652American Airlines
Wed, Oct 21 - Fri, Oct 23
American Airlines Logo
6:37 am - 3:27 pmIDA  Idaho Falls Fanning Field-SDF Louisville Intl
6h 50m1 stop Dallas/Fort Worth
American Airlines Logo
5:19 pm - 1:20 pmSDF  Louisville Intl-IDA Idaho Falls Fanning Field
22h 01m1 stop Chicago O'Hare Intl
$662American Airlines
Wed, Oct 21 - Fri, Oct 23
Alaska Airlines Logo
6:09 am - 9:25 pmIDA  Idaho Falls Fanning Field-SDF Louisville Intl
13h 16m2 stops Seattle/Tacoma Intl Dallas/Fort Worth
Alaska Airlines Logo
6:29 am - 3:20 pmSDF  Louisville Intl-IDA Idaho Falls Fanning Field
10h 51m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl
$749Alaska Airlines
Booking Insights

Price, demand and travel trends for Idaho Falls to Louisville flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Idaho Falls to Louisville with more confidence.

How much is a round-trip flight from Idaho Falls to Louisville?

Round-trip flights from Idaho Falls to Louisville start at $464. Prices are typical for this route right now, with typical round-trip fares ranging from $428 to $658. The lowest price found in the past 5 days was $464 on United Airlines.

What's the cheapest day of the week to fly from Idaho Falls to Louisville?

Monday is the cheapest day of the week to fly from Idaho Falls to Louisville, it is 46% cheaper than the average day. Thursday is the most expensive day with flight prices 14% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Key details for Idaho Falls to Louisville flights

Low season

September
Most popular time to fly with an average 29% increase in price.

When to book flights from Idaho Falls to Louisville

Are your dates flexible? Find out the best times to travel from Idaho Falls to Louisville based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Idaho Falls to Louisville flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Idaho Falls to Louisville?

    Flights from Idaho Falls to Louisville usually depart from Idaho Falls Fanning Field (IDA) and arrive at Louisville Intl (SDF).

  • What cabin classes can I book on flights from Idaho Falls to Louisville?

    Only Economy Class is available on flights from Idaho Falls to Louisville.

  • Which airports do connecting flights from Idaho Falls to Louisville pass through?

    One-stop flights from Idaho Falls to Louisville most commonly connect through:

    • Denver Intl (DEN) - 74% of one-stop connections
    • Dallas/Fort Worth (DFW) - 20% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 6% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Idaho Falls to Louisville?

    Yes. Being flexible with your travel dates can save you up to 53% on the Idaho Falls to Louisville route. Monday is the cheapest departure day at $279 round-trip on average, while Thursday is the most expensive at $582, a difference of $303. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Louisville?

    Some of the most popular sights in Louisville are Louisville Waterfront Park and Masonic Widows and Orphans Home. These are among the most viewed places in Louisville on KAYAK.

  • How long is a flight from Idaho Falls to Louisville?

    A nonstop flight from Idaho Falls to Louisville takes 0h 00m, covering 1,417 miles.

  • Do I need a passport to fly from Idaho Falls to Louisville?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Idaho Falls to Louisville changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $464 to $985. That means the highest observed fare was about 2x higher than the lowest one.

  • How much time can I save by choosing a different layover airport from Idaho Falls to Louisville?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 6h 25m, compared with 6h 56m via Dallas/Fort Worth (DFW) and 7h 52m via Chicago O'Hare Intl (ORD).

  • What is the time difference between Idaho Falls and Louisville?

    Louisville is 2 hours ahead of Idaho Falls (Eastern Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Louisville Intl Airport (SDF)?

    Louisville Intl Airport (SDF) hosts 5 major car rental companies, with daily rates starting from around $32 for economy cars. Top options include:
    • Hertz
    • Dollar
    • Alamo
    • Thrifty
    • Budget

  • How much should I expect to pay for a Idaho Falls to Louisville flight?

    Round-trip flights from Idaho Falls to Louisville range from $428 to $658, with an average of $508 over the past 12 months. Anything below $428 counts as a good deal.

Your guide to booking Idaho Falls to Louisville flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Thursday. On this route, Monday flights average $279 - about $303 less than Thursday (52% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Idaho Falls to Louisville trip for May. Fares historically average $387 round-trip in that month - typically $417 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Louisville Intl Airport.
    - Best Western Louisville Airport Expo
    - Days Inn by Wyndham Louisville Airport Fair and Expo Center
    - Baymont by Wyndham Louisville Airport South

More options for your flight from Idaho Falls to Louisville

Complete your trip to Louisville with a hotel stay or car rental

Car rentals in Louisville
Hotels in Louisville
Vacations in Louisville