IDA - SDF

$469 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
$469
Typical prices: $429-$658
United Airlines
Tue 1/23Sat 1/27
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
November
Cheapest • 48% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Denver Intl (DEN)
Cheapest • Avg $545 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 6h 36m (one-way)
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Insights
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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, Jan 23 - Wed, Jan 27
United Airlines Logo
7:00 am - 2:31 pmIDA  Idaho Falls Fanning Field-SDF Louisville Intl
5h 31m1 stop Denver Intl
United Airlines Logo
9:00 am - 1:28 pmSDF  Louisville Intl-IDA Idaho Falls Fanning Field
6h 28m1 stop Denver Intl
$469United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
2:30 pm - 10:30 pmIDA  Idaho Falls Fanning Field-SDF Louisville Intl
6h 00m1 stop Denver Intl
United Airlines Logo
9:00 am - 1:28 pmSDF  Louisville Intl-IDA Idaho Falls Fanning Field
6h 28m1 stop Denver Intl
$469United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
2:30 pm - 10:30 pmIDA  Idaho Falls Fanning Field-SDF Louisville Intl
6h 00m1 stop Denver Intl
United Airlines Logo
9:50 am - 9:10 pmSDF  Louisville Intl-IDA Idaho Falls Fanning Field
13h 20m2 stops Washington, D.C. Dulles Intl Denver Intl
$474United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
2:30 pm - 10:30 pmIDA  Idaho Falls Fanning Field-SDF Louisville Intl
6h 00m1 stop Denver Intl
United Airlines Logo
10:20 am - 9:10 pmSDF  Louisville Intl-IDA Idaho Falls Fanning Field
12h 50m2 stops Chicago O'Hare Intl Denver Intl
$474United 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 with more confidence.

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

Round-trip flights from Idaho Falls to Louisville typically range from $429 to $658. The lowest price found in the past 5 days was $469, on United Airlines.

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Key details for Idaho Falls to Louisville flights

Low season

September

Cheapest flight

$469
Beat the crowds with an average 93% drop in travelers.
The most popular month to fly with an average 17% increase in travelers.
Round-trip flight from Idaho Falls to Louisville

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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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.

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

    A nonstop flight from Idaho Falls to Louisville takes 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.

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

    Round-trip flights from Idaho Falls to Louisville range from $429 to $658, with an average of $534 over the past 12 months. Anything below $429 counts as a good deal.

  • 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 varied from about $469 to $687. That means the highest observed fare was about 46% higher than the lowest one.

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

    Louisville Intl Airport (SDF) hosts 5 major car rental companies, with daily rates averaging $75 for economy cars. Top options include:

    • Hertz
    • Dollar
    • Alamo
    • Thrifty
    • Budget

  • 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).

  • 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) - 84% of one-stop connections
    • Dallas/Fort Worth (DFW) - 9% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 6% of one-stop connections

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

    Yes. Flexible dates can save you up to 53% on flights from Idaho Falls to Louisville. 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.

  • 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 24m, compared with 6h 36m 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 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.

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 are flexible, aim for a Monday departure and avoid flying on Thursday. On this route, Monday flights average $279, about $303 less than Thursday fares (52% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Idaho Falls to Louisville trip for November. Fares historically average $279 round-trip in that month - typically $525 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.

    • Crowne Plaza Louisville Airport Expo Ctr By IHG
    • SpringHill Suites by Marriott Louisville Airport
    • Staybridge Suites Louisville - Expo Center By IHG

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