Cheap flights from Idaho to Louisville from $359
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Louisville departing on 12/4. 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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Fly from
Fly to
Route
Depart
Return
Idaho FallsLouisville
IDA Idaho Falls Fanning Field - SDF Louisville Intl
IDASDF
Idaho Falls Fanning Field
Fri 12/4
1:41 pm-11:55 pm
1 stop8h 14m
Louisville Intl
Mon 12/7
4:10 pm-9:49 pm
1 stop7h 39m
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Thu 11/5
1:40 pm-11:59 pm
1 stop8h 19m
Louisville Intl
Mon 11/9
6:55 pm-11:59 pm
1 stop7h 04m
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Wed 12/16
3:30 pm-10:50 pm
1 stop5h 20m
Louisville Intl
Sun 12/20
7:15 pm-1:30 am
2 stops8h 15m
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Wed 12/16
11:25 am-10:50 pm
2 stops9h 25m
Louisville Intl
Sun 12/20
7:15 pm-1:30 am
2 stops8h 15m
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Sat 11/14
2:51 pm-10:24 pm
1 stop5h 33m
Louisville Intl
Tue 11/17
8:00 am-1:45 pm
1 stop7h 45m
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Sat 11/14
12:31 pm-8:52 pm
1 stop6h 21m
Louisville Intl
Tue 11/17
5:10 am-1:45 pm
2 stops10h 35m
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Wed 12/16
1:47 pm-9:51 pm
1 stop6h 04m
Louisville Intl
Sun 1/10
6:36 am-12:42 pm
1 stop8h 06m
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Thu 10/29
2:41 pm-11:27 pm
1 stop6h 46m
Louisville Intl
Sun 11/1
5:34 am-12:37 pm
1 stop9h 03m
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Sat 11/14
8:20 am-11:34 pm
2 stops13h 14m
Louisville Intl
Tue 11/17
6:27 am-6:03 pm
2 stops13h 36m
BoiseLouisville
BOI Boise Air Term. Gowen Fld - SDF Louisville Intl
BOISDF
Boise Air Term. Gowen Fld
Sat 11/14
8:59 pm-9:38 am
2 stops10h 39m
Louisville Intl
Tue 11/17
10:53 am-11:49 pm
2 stops14h 56m
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 airline that flies from Idaho to Louisville Intl?
Delta, Alaska Airlines, and Southwest are the most popular carriers operating from Idaho to Louisville Intl
What airlines fly to Louisville?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Louisville from Idaho according to our data. United Airlines 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.
Cheap Idaho to Louisville flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Idaho to Louisville
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 October 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 | ||
|---|---|---|---|---|---|
| PriceFrom $268 | Free Cancellation | Rating 7.4 10,351 reviews | |||
| PriceFrom $280 | Free Cancellation | Rating 7.0 12,162 reviews | |||
| PriceFrom $372 | Free Cancellation | Rating 7.9 4,216 reviews | |||
| PriceFrom $376 | Free Cancellation | Rating 7.8 8,649 reviews |
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsWhy 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.