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Cheap flights from Idaho to Louisville from $163

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 12/16. 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

Spirit Airlines Logo
2:16 pm - 2:06 pmBOI-SDF
21h 50m1 stop
Spirit Airlines Logo
3:01 pm - 8:03 pmSDF-BOI
7h 02m1 stop
$230Spirit Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 20
American Airlines Logo
1:38 pm - 11:40 pmBOI-SDF
8h 02m1 stop
American Airlines Logo
6:12 pm - 12:27 pmSDF-BOI
20h 15m1 stop
$252American Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
Delta Logo
1:30 pm - 11:56 pmBOI-SDF
8h 26m1 stop
Delta Logo
2:22 pm - 11:59 pmSDF-BOI
11h 37m2 stops
$274Delta
Find Deal
Tue, Sep 9 - Tue, Sep 16
Delta Logo
12:45 pm - 11:56 pmBOI-SDF
9h 11m2 stops
Delta Logo
7:34 pm - 11:56 pmSDF-BOI
6h 22m1 stop
$311Delta
Find Deal
Wed, Sep 3 - Sun, Sep 7
Southwest Logo
6:00 am - 6:25 pmBOI-SDF
10h 25m2 stops
Southwest Logo
1:15 pm - 11:05 pmSDF-BOI
11h 50m2 stops
$340Southwest
Find Deal
Tue, Sep 9 - Tue, Sep 16
Logo
11:53 am - 6:53 pmGEG-SDF
28h 00m3 stops
Logo
9:13 pm - 11:35 amSDF-GEG
17h 22m1 stop
$342
Find Deal
Thu, Aug 28 - Sun, Aug 31
Logo
11:53 am - 6:53 pmGEG-SDF
28h 00m2 stops
Logo
9:13 pm - 11:35 amSDF-GEG
17h 22m1 stop
$347
Find Deal
Thu, Aug 28 - Sun, Aug 31
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
$379United Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4
United Airlines Logo
2:43 pm - 10:30 pmSUN-SDF
5h 47m1 stop
United Airlines Logo
7:00 am - 1:40 pmSDF-SUN
8h 40m2 stops
$384United Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4
Southwest Logo
1:10 pm - 10:50 pmBOI-SDF
7h 40m1 stop
Southwest Logo
6:20 am - 10:10 amSDF-BOI
5h 50m1 stop
$418Southwest
Find Deal
Fri, Sep 19 - Sun, Sep 21

Spirit Airlines flights from Idaho to Louisville

Our best Spirit Airlines deals on Idaho to Louisville flight tickets
Spirit Airlines
Oct 9
BOI2:16 pmBoise Air Term. Gowen Fld
21h 50m
1 stop
SDF2:06 pmLouisville Intl
Oct 20
SDF3:01 pmLouisville Intl
7h 02m
1 stop
BOI8:03 pmBoise Air Term. Gowen Fld
$230
Find similar
Spirit Airlines
Oct 9
BOI2:16 pmBoise Air Term. Gowen Fld
21h 50m
1 stop
SDF2:06 pmLouisville Intl
Oct 13
SDF3:01 pmLouisville Intl
7h 02m
1 stop
BOI8:03 pmBoise Air Term. Gowen Fld
$290
Find similar
Spirit Airlines
Sep 19
BOI9:26 pmBoise Air Term. Gowen Fld
22h 38m
3 stops
SDF10:04 pmLouisville Intl
Sep 21
SDF6:34 pmLouisville Intl
27h 57m
2 stops
BOI8:31 pmBoise Air Term. Gowen Fld
$361
Find similar

American Airlines flights from Idaho to Louisville

Our best American Airlines deals on Idaho to Louisville flight tickets
American Airlines
Sep 9
BOI1:38 pmBoise Air Term. Gowen Fld
8h 02m
1 stop
SDF11:40 pmLouisville Intl
Sep 16
SDF6:12 pmLouisville Intl
20h 15m
1 stop
BOI12:27 pmBoise Air Term. Gowen Fld
$252
Find similar
American Airlines
Sep 3
BOI7:00 amBoise Air Term. Gowen Fld
8h 34m
1 stop
SDF5:34 pmLouisville Intl
Sep 7
SDF6:12 pmLouisville Intl
20h 15m
1 stop
BOI12:27 pmBoise Air Term. Gowen Fld
$296
Find similar
American Airlines
Sep 6
BOI1:38 pmBoise Air Term. Gowen Fld
8h 02m
1 stop
SDF11:40 pmLouisville Intl
Sep 23
SDF6:12 pmLouisville Intl
20h 15m
1 stop
BOI12:27 pmBoise Air Term. Gowen Fld
$324
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 August 5, 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

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

Thu 10/9

2:16 pm-2:06 pm

1 stop21h 50m

Louisville Intl

Mon 10/20

3:01 pm-8:03 pm

1 stop7h 02m

$230

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

Tue 9/9

1:38 pm-11:40 pm

1 stop8h 02m

Louisville Intl

Tue 9/16

6:12 pm-12:27 pm

1 stop20h 15m

$252

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

Tue 9/9

1:30 pm-11:56 pm

1 stop8h 26m

Louisville Intl

Tue 9/16

2:22 pm-11:59 pm

2 stops11h 37m

$274

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

Wed 9/3

12:45 pm-11:56 pm

2 stops9h 11m

Louisville Intl

Sun 9/7

7:34 pm-11:56 pm

1 stop6h 22m

$311

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

Tue 9/9

6:00 am-6:25 pm

2 stops10h 25m

Louisville Intl

Tue 9/16

1:15 pm-11:05 pm

2 stops11h 50m

$340

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Thu 8/28

11:53 am-6:53 pm

3 stops28h 00m

Louisville Intl

Sun 8/31

9:13 pm-11:35 am

1 stop17h 22m

$342

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Thu 8/28

11:53 am-6:53 pm

2 stops28h 00m

Louisville Intl

Sun 8/31

9:13 pm-11:35 am

1 stop17h 22m

$347

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

$379

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

7:00 am-1:40 pm

2 stops8h 40m

$384

BoiseLouisville

BOI - SDF

BOISDF

Boise Air Term. Gowen Fld

Fri 9/19

1:10 pm-10:50 pm

1 stop7h 40m

Louisville Intl

Sun 9/21

6:20 am-10:10 am

1 stop5h 50m

$418

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 August, then departing from Idaho during the month October is also very affordable. Most momondo users find prices during this month for around $399.

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

Best Price Found

$163

Fastest flight time

5h 39m

Direct flights

None

Airports in Louisville

1 airport
The best one-way flight to Louisville from Idaho in the past 72 hours is $163. The best round-trip flight deal from Idaho to Louisville found on momondo in the last 72 hours is $230.
The fastest flight from Idaho to Louisville takes 5h 39m
There are no direct flights from Idaho to Louisville. Popular non-direct routes for this connection are Spokane Airport - Louisville Intl Airport, Idaho Falls Fanning Field Airport - Louisville Intl Airport and Boise Air Term. Gowen Fld Airport - Louisville Intl Airport.
There is 1 airport near Louisville: Louisville Intl (SDF)
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
DeltaPriceFrom $305Free CancellationRating
8.0
7,987 reviews
Search Delta flights
American AirlinesPriceFrom $346Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $348Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $356Free CancellationRating
7.4
8,912 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
Elizabeth
Corydon
Charlestown
Georgetown
Springfield
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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