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Cheap flights from Idaho to Louisville from $178

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Louisville departing on 12/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho to Louisville

Cheap round-trip flights

American Airlines Logo
1:12 pm - 9:25 amGEG-SDF
17h 13m1 stop
American Airlines Logo
7:32 am - 11:43 amSDF-GEG
7h 11m1 stop
$348American Airlines
Find Deal
Tue, Oct 21 - Thu, Oct 23
Delta Logo
6:30 am - 3:49 pmGEG-SDF
6h 19m1 stop
Delta Logo
6:36 am - 1:14 pmSDF-GEG
9h 38m1 stop
$355Delta
Find Deal
Tue, Mar 3 - Wed, Mar 4
Delta Logo
6:30 am - 5:42 pmGEG-SDF
8h 12m2 stops
Delta Logo
6:36 am - 1:14 pmSDF-GEG
9h 38m1 stop
$360Delta
Find Deal
Tue, Mar 3 - Wed, Mar 4
Delta Logo
7:38 pm - 11:57 amGEG-SDF
13h 19m2 stops
Delta Logo
12:37 pm - 8:56 pmSDF-GEG
11h 19m2 stops
$365Delta
Find Deal
Thu, Dec 11 - Mon, Dec 15
American Airlines Logo
1:41 pm - 9:08 pmJAC-SDF
5h 27m1 stop
American Airlines Logo
7:48 am - 11:55 amSDF-JAC
6h 07m1 stop
$369American Airlines
Find Deal
Fri, Feb 27 - Tue, Mar 3
Southwest Logo
6:25 am - 11:35 pmGEG-SDF
14h 10m2 stops
Southwest Logo
1:50 pm - 10:00 pmSDF-GEG
11h 10m2 stops
$371Southwest
Find Deal
Wed, Oct 29 - Wed, Nov 5
United Airlines Logo
1:38 pm - 10:30 pmGEG-SDF
5h 52m1 stop
United Airlines Logo
10:55 am - 8:24 pmSDF-GEG
12h 29m2 stops
$382United Airlines
Find Deal
Tue, Oct 21 - Thu, Oct 23
Southwest Logo
6:05 am - 5:10 pmGEG-SDF
8h 05m2 stops
Southwest Logo
1:10 pm - 10:00 pmSDF-GEG
11h 50m2 stops
$397Southwest
Find Deal
Thu, Dec 11 - Mon, Dec 15
United Airlines Logo
2:43 pm - 10:30 pmSUN-SDF
5h 47m1 stop
United Airlines Logo
8:00 am - 1:40 pmSDF-SUN
7h 40m1 stop
$399United Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4
Multiple Airlines Logo
2:16 pm - 2:02 pmBOI-SDF
21h 46m1 stop
Multiple Airlines Logo
8:10 pm - 11:43 amSDF-BOI
41h 33m2 stops
$551Multiple Airlines
Find Deal
Sat, Oct 4 - Fri, Oct 10

American Airlines flights from Idaho to Louisville

Our best American Airlines deals on Idaho to Louisville flight tickets
American Airlines
Oct 21
GEG1:12 pmSpokane
17h 13m
1 stop
SDF9:25 amLouisville Intl
Oct 23
SDF7:32 amLouisville Intl
7h 11m
1 stop
GEG11:43 amSpokane
$348
Find similar
American Airlines
Feb 27
JAC1:41 pmJackson Hole
5h 27m
1 stop
SDF9:08 pmLouisville Intl
Mar 3
SDF7:48 amLouisville Intl
6h 07m
1 stop
JAC11:55 amJackson Hole
$369
Find similar
American Airlines
Nov 25
GEG1:14 pmSpokane
6h 41m
1 stop
SDF10:55 pmLouisville Intl
Dec 3
SDF6:30 amLouisville Intl
9h 00m
1 stop
GEG12:30 pmSpokane
$387
Find similar

Southwest flights from Idaho to Louisville

Our best Southwest deals on Idaho to Louisville flight tickets
Southwest
Oct 29
GEG6:25 amSpokane
14h 10m
2 stops
SDF11:35 pmLouisville Intl
Nov 5
SDF1:50 pmLouisville Intl
11h 10m
2 stops
GEG10:00 pmSpokane
$371
Find similar
Southwest
Dec 11
GEG6:05 amSpokane
8h 05m
2 stops
SDF5:10 pmLouisville Intl
Dec 15
SDF1:10 pmLouisville Intl
11h 50m
2 stops
GEG10:00 pmSpokane
$397
Find similar
Southwest
Dec 4
GEG10:20 amSpokane
9h 45m
2 stops
SDF11:05 pmLouisville Intl
Dec 7
SDF5:30 pmLouisville Intl
9h 55m
2 stops
GEG12:25 amSpokane
$428
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 22, 2025.
Use the filters below to find and compare flights from Idaho to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Tue 10/21

1:12 pm-9:25 am

1 stop17h 13m

Louisville Intl

Thu 10/23

7:32 am-11:43 am

1 stop7h 11m

$348

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Tue 3/3

6:30 am-3:49 pm

1 stop6h 19m

Louisville Intl

Wed 3/4

6:36 am-1:14 pm

1 stop9h 38m

$355

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Tue 3/3

6:30 am-5:42 pm

2 stops8h 12m

Louisville Intl

Wed 3/4

6:36 am-1:14 pm

1 stop9h 38m

$360

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Thu 12/11

7:38 pm-11:57 am

2 stops13h 19m

Louisville Intl

Mon 12/15

12:37 pm-8:56 pm

2 stops11h 19m

$365

JacksonLouisville

JAC - SDF

JACSDF

Jackson Hole

Fri 2/27

1:41 pm-9:08 pm

1 stop5h 27m

Louisville Intl

Tue 3/3

7:48 am-11:55 am

1 stop6h 07m

$369

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Wed 10/29

6:25 am-11:35 pm

2 stops14h 10m

Louisville Intl

Wed 11/5

1:50 pm-10:00 pm

2 stops11h 10m

$371

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Tue 10/21

1:38 pm-10:30 pm

1 stop5h 52m

Louisville Intl

Thu 10/23

10:55 am-8:24 pm

2 stops12h 29m

$382

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Thu 12/11

6:05 am-5:10 pm

2 stops8h 05m

Louisville Intl

Mon 12/15

1:10 pm-10:00 pm

2 stops11h 50m

$397

HaileyLouisville

SUN - SDF

SUNSDF

Hailey Sun Valley-Friedman

Fri 10/31

2:43 pm-10:30 pm

1 stop5h 47m

Louisville Intl

Tue 11/4

8:00 am-1:40 pm

1 stop7h 40m

$399

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

Sat 10/4

2:16 pm-2:02 pm

1 stop21h 46m

Louisville Intl

Fri 10/10

8:10 pm-11:43 am

2 stops41h 33m

$551

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Louisville from

How to get the cheapest flight ticket from Idaho to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of February, then departing from Idaho during the month August is also very affordable. Most momondo users find prices during this month for around $376.

What is the cheapest day to depart on your flight to Louisville?

On average, the least expensive day to fly to Louisville from Idaho is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $427. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Idaho to Louisville on a Monday will generally be more expensive and average around $613. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Louisville?

Our data shows that the cheapest Idaho to Louisville flights are usually those with departure times in the evening. Our users have found flights to Louisville in the evening for as low as $386. In the morning is when there is more demand to fly to Louisville, so prices are often more expensive at around $521 per ticket.

Cheap Idaho to Louisville flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Louisville

Direct flights

None
There are no direct flights from Idaho to Louisville. There are no popular flight routes from Idaho to Louisville.
Search flight deals

  • When did momondo last update prices for flights from Idaho to Louisville Intl Airport?

    Prices for flights from Idaho to Louisville Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Idaho to Louisville Intl Airport?

  • How old do you have to be to fly from Idaho to Louisville Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The travel and health documents required for your trip to Louisville Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Louisville Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Idaho to Louisville

Compare and see reviews for airlines that fly from Idaho to Louisville with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $268Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $306Free CancellationRating
7.9
7,971 reviews
Search Delta flights
SouthwestPriceFrom $348Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
United AirlinesPriceFrom $401Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
West Baden Springs
Bardstown
Jeffersonville
Shepherdsville
New Albany
Corydon
Elizabeth
Charlestown
Springfield
Georgetown
Brandenburg

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Louisville?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Louisville from Idaho.

Can I find flights from Idaho to Louisville with flexible booking policies on momondo?

All flight searches from Idaho to Louisville on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Idaho to Louisville?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho to Louisville.

I’m not ready to book a flight from Idaho to Louisville right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Idaho to Louisville now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Louisville and let you know when they change.

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