What airlines fly to Louisville?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Louisville from Idaho according to our data. Delta is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 4 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Louisville?

If you’re flying from a popular airport in Idaho, such as Boise or Idaho Falls, and flying into Louisville, then you can expect flight times to average 5h 46m and 6h 05m, respectively.

What is the cheapest airline that flies from Idaho to Louisville Intl?

Delta, United Airlines, and American Airlines are the most popular carriers operating from Idaho to Louisville Intl

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?

As of August 2026, there are 4 operators available to choose from 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.

$169 Cheap Flights from Idaho to Louisville in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Louisville

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 2:27 pmGEG Spokane-SDF Louisville Intl

6h 27m1 stop Denver Intl

3:20 pm - 9:09 pmSDF Louisville Intl-GEG Spokane

8h 49m1 stop Denver Intl

$337United Airlines

Mon, Jan 18 - Sat, Jan 30

5:00 am - 2:22 pmGEG Spokane-SDF Louisville Intl

6h 22m1 stop Denver Intl

8:00 am - 12:47 pmSDF Louisville Intl-GEG Spokane

7h 47m1 stop Denver Intl

$337United Airlines

Tue, Nov 3 - Sat, Nov 7

7:00 am - 5:59 pmGEG Spokane-SDF Louisville Intl

7h 59m1 stop Minneapolis St Paul

7:05 am - 11:50 amSDF Louisville Intl-GEG Spokane

7h 45m1 stop Atlanta Hartsfield-Jackson

$337Delta

Tue, Nov 3 - Sat, Nov 7

2:05 pm - 10:55 pmGEG Spokane-SDF Louisville Intl

5h 50m1 stop Minneapolis St Paul

7:00 am - 11:38 amSDF Louisville Intl-GEG Spokane

7h 38m1 stop Atlanta Hartsfield-Jackson

$337Delta

Wed, Jan 6 - Sat, Jan 9

6:00 am - 6:28 pmGEG Spokane-SDF Louisville Intl

9h 28m1 stop Dallas/Fort Worth

1:15 pm - 11:11 pmSDF Louisville Intl-GEG Spokane

12h 56m2 stops Charlotte Douglas Phoenix Sky Harbor Intl

$342American Airlines

Wed, Jan 6 - Sat, Jan 9

6:15 am - 9:36 pmGEG Spokane-SDF Louisville Intl

12h 21m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

4:10 pm - 8:40 pmSDF Louisville Intl-GEG Spokane

7h 30m1 stop Dallas/Fort Worth

$342American Airlines

Tue, Nov 3 - Sat, Nov 7

6:05 am - 6:55 pmGEG Spokane-SDF Louisville Intl

9h 50m1 stop Phoenix Sky Harbor Intl

8:40 am - 4:35 pmSDF Louisville Intl-GEG Spokane

10h 55m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

$342Southwest

Tue, Nov 3 - Sat, Nov 7

5:30 am - 11:10 pmGEG Spokane-SDF Louisville Intl

14h 40m2 stops Sacramento Intl Phoenix Sky Harbor Intl

2:05 pm - 10:25 pmSDF Louisville Intl-GEG Spokane

11h 20m2 stops Chicago Midway Las Vegas Harry Reid Intl

$369Southwest

Fri, Oct 30 - Wed, Nov 4

7:21 pm - 12:43 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

15h 22m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

4:10 pm - 10:42 amSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

20h 32m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

$633Alaska Airlines

Wed, Nov 25 - Tue, Dec 1

8:59 pm - 12:43 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

13h 44m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

4:10 pm - 10:42 amSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

20h 32m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

$633Alaska Airlines

Wed, Nov 25 - Tue, Dec 1

Cheap last minute flights

Enter your travel dates to find the best prices.

6:44 am - 4:59 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

8h 15m1 stop Dallas/Fort Worth

6:19 am - 12:41 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

8h 22m1 stop Chicago O'Hare Intl

$472American Airlines

Wed, Aug 26 - Tue, Dec 1

6:44 am - 4:59 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

8h 15m1 stop Dallas/Fort Worth

6:19 am - 12:41 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

8h 22m1 stop Chicago O'Hare Intl

$472American Airlines

Wed, Aug 26 - Tue, Dec 1

7:00 am - 2:29 pmJAC Jackson Hole-SDF Louisville Intl

5h 29m1 stop Denver Intl

3:25 pm - 8:40 pmSDF Louisville Intl-JAC Jackson Hole

7h 15m1 stop Denver Intl

$559United Airlines

Mon, Aug 24 - Thu, Aug 27

2:52 pm - 10:31 pmJAC Jackson Hole-SDF Louisville Intl

5h 39m1 stop Denver Intl

7:10 am - 3:28 pmSDF Louisville Intl-JAC Jackson Hole

10h 18m2 stops Chicago O'Hare Intl Denver Intl

$564United Airlines

Mon, Aug 24 - Thu, Aug 27

5:00 am - 4:38 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

9h 38m2 stops Denver Intl Chicago O'Hare Intl

3:20 pm - 9:16 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

7h 56m1 stop Denver Intl

$610United Airlines

Wed, Aug 26 - Tue, Dec 1

5:00 am - 4:38 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

9h 38m2 stops Denver Intl Chicago O'Hare Intl

3:20 pm - 9:16 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

7h 56m1 stop Denver Intl

$610United Airlines

Wed, Aug 26 - Tue, Dec 1

8:05 am - 10:31 pmJAC Jackson Hole-SDF Louisville Intl

12h 26m2 stops Los Angeles Denver Intl

10:23 am - 5:49 pmSDF Louisville Intl-JAC Jackson Hole

9h 26m2 stops Chicago O'Hare Intl Denver Intl

$659United Airlines

Mon, Aug 24 - Thu, Aug 27

4:28 pm - 11:17 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

28h 49m2 stops Portland Dallas/Fort Worth

4:10 pm - 10:42 amSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

20h 32m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

$691Alaska Airlines

Wed, Aug 26 - Tue, Dec 1

8:25 pm - 11:17 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

24h 52m2 stops Portland Dallas/Fort Worth

4:10 pm - 10:42 amSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

20h 32m2 stops Dallas/Fort Worth Seattle/Tacoma Intl

$691Alaska Airlines

Wed, Aug 26 - Tue, Dec 1

5:00 am - 7:15 pmBOI Boise Air Term. Gowen Fld-SDF Louisville Intl

12h 15m2 stops Denver Intl Washington, D.C. Dulles Intl

9:00 am - 9:16 pmSDF Louisville Intl-BOI Boise Air Term. Gowen Fld

14h 16m2 stops Chicago O'Hare Intl Denver Intl

$722United Airlines

Wed, Aug 26 - Tue, Dec 1

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Delta flights from Idaho to Louisville

Our best Delta deals on Idaho to Louisville flight tickets

Delta

Oct 30

GEG1:54 pmSpokane

5h 57m

1 stop

SDF10:51 pmLouisville Intl

Nov 4

SDF7:00 amLouisville Intl

8h 15m

1 stop

GEG12:15 pmSpokane

$353

Delta

Nov 3

GEG7:00 amSpokane

7h 59m

1 stop

SDF5:59 pmLouisville Intl

Nov 7

SDF7:05 amLouisville Intl

7h 45m

1 stop

GEG11:50 amSpokane

$363

Delta

Sep 9

GEG12:38 pmSpokane

8h 21m

1 stop

SDF11:59 pmLouisville Intl

Sep 18

SDF7:54 pmLouisville Intl

6h 02m

1 stop

GEG10:56 pmSpokane

$364

United Airlines flights from Idaho to Louisville

Our best United Airlines deals on Idaho to Louisville flight tickets

United Airlines

Sep 6

GEG5:00 amSpokane

6h 29m

1 stop

SDF2:29 pmLouisville Intl

Sep 10

SDF7:10 amLouisville Intl

8h 13m

1 stop

GEG12:23 pmSpokane

$337

United Airlines

Nov 5

BOI2:51 pmBoise Air Term. Gowen Fld

5h 33m

1 stop

SDF10:24 pmLouisville Intl

Nov 10

SDF8:00 amLouisville Intl

10h 42m

2 stops

BOI4:42 pmBoise Air Term. Gowen Fld

$342

United Airlines

Sep 10

GEG5:00 amSpokane

6h 29m

1 stop

SDF2:29 pmLouisville Intl

Sep 19

SDF3:25 pmLouisville Intl

8h 49m

1 stop

GEG9:14 pmSpokane

$350

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneLouisville

GEG Spokane - SDF Louisville Intl

GEGSDF

Spokane

Mon 1/18

5:00 am-2:27 pm

1 stop6h 27m

Louisville Intl

Sat 1/30

3:20 pm-9:09 pm

1 stop8h 49m

$337

SpokaneLouisville

GEG Spokane - SDF Louisville Intl

GEGSDF

Spokane

Tue 11/3

5:00 am-2:22 pm

1 stop6h 22m

Louisville Intl

Sat 11/7

8:00 am-12:47 pm

1 stop7h 47m

$337

SpokaneLouisville

GEG Spokane - SDF Louisville Intl

GEGSDF

Spokane

Tue 11/3

7:00 am-5:59 pm

1 stop7h 59m

Louisville Intl

Sat 11/7

7:05 am-11:50 am

1 stop7h 45m

$337

Quickest round-trip

SpokaneLouisville

GEG Spokane - SDF Louisville Intl

GEGSDF

Spokane

Wed 1/6

2:05 pm-10:55 pm

1 stop5h 50m

Louisville Intl

Sat 1/9

7:00 am-11:38 am

1 stop7h 38m

$337

SpokaneLouisville

GEG Spokane - SDF Louisville Intl

GEGSDF

Spokane

Wed 1/6

6:00 am-6:28 pm

1 stop9h 28m

Louisville Intl

Sat 1/9

1:15 pm-11:11 pm

2 stops12h 56m

$342

SpokaneLouisville

GEG Spokane - SDF Louisville Intl

GEGSDF

Spokane

Tue 11/3

6:15 am-9:36 pm

2 stops12h 21m

Louisville Intl

Sat 11/7

4:10 pm-8:40 pm

1 stop7h 30m

$342

SpokaneLouisville

GEG Spokane - SDF Louisville Intl

GEGSDF

Spokane

Tue 11/3

6:05 am-6:55 pm

1 stop9h 50m

Louisville Intl

Sat 11/7

8:40 am-4:35 pm

2 stops10h 55m

$342

SpokaneLouisville

GEG Spokane - SDF Louisville Intl

GEGSDF

Spokane

Fri 10/30

5:30 am-11:10 pm

2 stops14h 40m

Louisville Intl

Wed 11/4

2:05 pm-10:25 pm

2 stops11h 20m

$369

BoiseLouisville

BOI Boise Air Term. Gowen Fld - SDF Louisville Intl

BOISDF

Boise Air Term. Gowen Fld

Wed 11/25

7:21 pm-12:43 pm

2 stops15h 22m

Louisville Intl

Tue 12/1

4:10 pm-10:42 am

2 stops20h 32m

$633

BoiseLouisville

BOI Boise Air Term. Gowen Fld - SDF Louisville Intl

BOISDF

Boise Air Term. Gowen Fld

Wed 11/25

8:59 pm-12:43 pm

2 stops13h 44m

Louisville Intl

Tue 12/1

4:10 pm-10:42 am

2 stops20h 32m

$633

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of May, then departing from Idaho during the month September is also very affordable. Most momondo users find prices during this month for around $442.

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	$169
Fastest flight time	5h 27m
Direct flights	None

The best one-way flight to Louisville from Idaho in the past 72 hours is $169. The best round-trip flight deal from Idaho to Louisville found on momondo in the last 72 hours is $337.

The fastest flight from Idaho to Louisville takes 5h 27m

There are no direct flights from Idaho to Louisville. There are no popular flight routes from Idaho to Louisville.

Search flight deals

Frequently asked questions about flying from Idaho to Louisville

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?
As of August 2026, there are 4 operators available to choose from 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 Airlines	PriceFrom $268	Free Cancellation	Rating 7.1 11,981 reviews	Search American Airlines flights
United Airlines	PriceFrom $268	Free Cancellation	Rating 7.4 10,113 reviews	Search United Airlines flights
Delta	PriceFrom $329	Free Cancellation	Rating 7.8 8,514 reviews	Search Delta flights
Southwest	PriceFrom $372	Free Cancellation	Rating 8.0 4,213 reviews	Search Southwest flights

French Lick

Elizabethtown

Jeffersonville

West Baden Springs

Bardstown

New Albany

Shepherdsville

Elizabeth

Charlestown

Corydon

Brandenburg

Georgetown

Springfield

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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Cheap flights from Idaho to Louisville from $169

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 11/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Idaho to Louisville

Our best Delta deals on Idaho to Louisville flight tickets

United Airlines flights from Idaho to Louisville

Our best United Airlines deals on Idaho to Louisville flight tickets

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How to get the cheapest flight ticket from Idaho to Louisville

What is the cheapest month to fly to Louisville?

What is the cheapest airline that flies from Idaho to Louisville Intl?

What airlines fly to Louisville?

How long does it take to fly to Louisville?

Cheap Idaho to Louisville flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Idaho to Louisville

Best airlines flying from Idaho to Louisville

Compare and see reviews for airlines that fly from Idaho to Louisville with momondo

Traveling to a place near Louisville?

Why use momondo?

An easier way to manage your Louisville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Kentucky

Fly your favorite airline to Louisville

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Louisville

List of cabin classes available on flights landing in Louisville. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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