$198+ Cheap flights from Idaho to Louisville (SDF)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SDF
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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Cheapest flights from Idaho to LouisvilleExplore the most affordable flight options available from Idaho to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
Explore the most affordable flight options available from Idaho to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:30 am
BOI
- SDF
1 stop8h 20m
Delta
Fri 8/283:25 pm
SDF
- BOI
1 stop8h 32m
Delta
Deal found 6/9![Delta logo]()
$314
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/122:20 pm
BOI
- SDF
1 stop6h 40m
Southwest
Fri 8/283:20 pm
SDF
- BOI
2 stops9h 15m
Southwest
Deal found 6/9![Southwest logo]()
$344
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:53 pm
GEG
- SDF
1 stop6h 02m
American Airlines
Mon 10/266:57 am
SDF
- GEG
1 stop7h 38m
American Airlines
Deal found 6/9![American Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:50 pm
GEG
- SDF
1 stop8h 36m
Delta
Tue 8/47:54 pm
SDF
- GEG
1 stop6h 15m
Delta
Deal found 6/8![Delta logo]()
$375
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:40 am
GEG
- SDF
1 stop8h 43m
American Airlines
Mon 8/247:03 am
SDF
- GEG
1 stop7h 51m
American Airlines
Deal found 6/10![American Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:35 pm
GEG
- SDF
1 stop6h 10m
Southwest
Sat 11/218:35 am
SDF
- GEG
2 stops13h 05m
Southwest
Deal found 6/8![Southwest logo]()
$387
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:37 pm
GEG
- SDF
1 stop5h 54m
United Airlines
Mon 8/2410:23 am
SDF
- GEG
2 stops13h 23m
United Airlines
Deal found 6/10![United Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:44 pm
BOI
- SDF
1 stop5h 47m
United Airlines
Wed 8/263:25 pm
SDF
- BOI
1 stop8h 12m
United Airlines
Deal found 6/9![United Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:48 pm
GEG
- SDF
1 stop8h 41m
Delta
Wed 7/295:55 pm
SDF
- GEG
1 stop8h 11m
Delta
Deal found 6/5![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:30 am
GEG
- SDF
2 stops9h 00m
Southwest
Mon 8/243:20 pm
SDF
- GEG
2 stops9h 40m
Southwest
Deal found 6/10![Southwest logo]()
$396
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/52:44 pm
BOI
- SDF
1 stop5h 47m
United Airlines
Tue 9/83:25 pm
SDF
- BOI
1 stop8h 12m
United Airlines
Deal found 6/6![United Airlines logo]()
$401
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:30 am
GEG
- SDF
2 stops12h 38m
American Airlines
Wed 8/57:03 am
SDF
- GEG
1 stop7h 51m
American Airlines
Deal found 6/9![American Airlines logo]()
$401
Best flights from Idaho to LouisvilleDiscover carefully curated flight deals from Idaho to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
Discover carefully curated flight deals from Idaho to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:40 am
GEG
- SDF
1 stop8h 43m
American Airlines
Mon 8/247:03 am
SDF
- GEG
1 stop7h 51m
American Airlines
Deal found 6/10![American Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:37 pm
GEG
- SDF
1 stop5h 54m
United Airlines
Mon 8/2410:23 am
SDF
- GEG
2 stops13h 23m
United Airlines
Deal found 6/10![United Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:30 am
GEG
- SDF
2 stops9h 00m
Southwest
Mon 8/243:20 pm
SDF
- GEG
2 stops9h 40m
Southwest
Deal found 6/10![Southwest logo]()
$396
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/182:26 pm
GEG
- SDF
1 stop5h 34m
Delta
Wed 8/56:50 am
SDF
- GEG
1 stop9h 07m
Delta
Deal found 6/8![Delta logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:18 am
IDA
- SDF
2 stops13h 59m
Alaska Airlines
Sun 8/231:19 pm
SDF
- IDA
2 stops11h 37m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$721
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:44 pm
BOI
- SDF
1 stop5h 47m
United Airlines
Wed 8/263:25 pm
SDF
- BOI
1 stop8h 12m
United Airlines
Deal found 6/9![United Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:58 am
BOI
- SDF
2 stops9h 55m
Delta
Tue 9/86:36 am
SDF
- BOI
2 stops13h 59m
Delta
Deal found 6/6![Delta logo]()
$421
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:40 am
BOI
- SDF
1 stop6h 35m
Southwest
Sat 8/17:55 pm
SDF
- BOI
1 stop6h 35m
Southwest
Deal found 6/7![Southwest logo]()
$429
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:30 am
GEG
- SDF
2 stops12h 38m
American Airlines
Wed 8/56:05 am
SDF
- GEG
2 stops11h 37m
American Airlines
Deal found 6/9![American Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:00 am
BOI
- SDF
2 stops10h 34m
United Airlines
Wed 11/1811:00 am
SDF
- BOI
2 stops12h 16m
United Airlines
Deal found 6/8![United Airlines logo]()
$403
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:10 pm
BOI
- SDF
1 stop9h 19m
Delta
Tue 7/284:47 pm
SDF
- BOI
1 stop7h 10m
Delta
Deal found 6/10![Delta logo]()
$426
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:25 pm
IDA
- SDF
1 stop6h 06m
United Airlines
Sun 8/238:00 am
SDF
- IDA
1 stop7h 29m
United Airlines
Deal found 6/9![United Airlines logo]()
$410
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:30 am
GEG
- SDF
2 stops9h 28m
American Airlines
Fri 7/316:38 am
SDF
- GEG
2 stops10h 24m
American Airlines
Deal found 6/9![American Airlines logo]()
$461
This Southwest deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2012:20 pm
BOI
- SDF
2 stops10h 10m
Southwest
Mon 7/276:15 am
SDF
- BOI
1 stop7h 10m
Southwest
Deal found 6/5![Southwest logo]()
$472
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/32:23 pm
GEG
- SDF
1 stop6h 33m
Delta
Sun 7/56:00 am
SDF
- GEG
1 stop8h 36m
Delta
Deal found 6/7![Delta logo]()
$456
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:05 pm
GEG
- SDF
2 stops13h 00m
Southwest
Sun 7/52:30 pm
SDF
- GEG
1 stop5h 45m
Southwest
Deal found 6/7![Southwest logo]()
$493
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2011:10 pm
BOI
- SDF
1 stop9h 19m
Delta
Mon 7/276:00 am
SDF
- BOI
1 stop8h 53m
Delta
Deal found 6/7![Delta logo]()
$457
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:00 am
GEG
- SDF
1 stop6h 28m
United Airlines
Wed 8/53:25 pm
SDF
- GEG
1 stop8h 40m
United Airlines
Deal found 6/6![United Airlines logo]()
$457
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:48 pm
GEG
- SDF
1 stop7h 06m
Delta
Fri 7/315:55 pm
SDF
- GEG
1 stop8h 11m
Delta
Deal found 6/5![Delta logo]()
$463
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:40 pm
JAC
- SDF
1 stop5h 17m
United Airlines
Tue 11/39:00 am
SDF
- JAC
1 stop6h 29m
United Airlines
Deal found 6/8![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:05 am
JAC
- SDF
2 stops12h 26m
United Airlines
Sat 9/51:15 pm
SDF
- JAC
1 stop9h 53m
United Airlines
Deal found 6/6![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:29 pm
SUN
- SDF
1 stop5h 28m
United Airlines
Tue 11/39:00 am
SDF
- SUN
1 stop6h 44m
United Airlines
Deal found 6/6![United Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/251:10 pm
SUN
- SDF
2 stops9h 22m
Delta
Mon 6/296:00 am
SDF
- SUN
2 stops10h 34m
Delta
Deal found 6/10![Delta logo]()
$590
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/252:38 pm
SUN
- SDF
1 stop6h 21m
United Airlines
Mon 6/292:10 pm
SDF
- SUN
1 stop6h 48m
United Airlines
Deal found 6/10![United Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:00 am
IDA
- SDF
2 stops15h 34m
American Airlines
Mon 7/276:38 am
SDF
- IDA
1 stop7h 45m
American Airlines
Deal found 6/7![American Airlines logo]()
$835
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1710:35 am
IDA
- SDF
2 stops11h 21m
United Airlines
Tue 6/238:00 am
SDF
- IDA
1 stop7h 25m
United Airlines
Deal found 6/9![United Airlines logo]()
$576
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:00 pm
IDA
- SDF
2 stops13h 29m
Delta
Mon 7/272:22 pm
SDF
- IDA
2 stops10h 10m
Delta
Deal found 6/8![Delta logo]()
$802
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:00 pm
IDA
- SDF
2 stops13h 29m
Delta
Mon 7/272:22 pm
SDF
- IDA
2 stops10h 10m
Delta
Deal found 6/8![Delta logo]()
$875
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:35 am
IDA
- SDF
2 stops10h 15m
United Airlines
Mon 7/278:00 am
SDF
- IDA
1 stop7h 25m
United Airlines
Deal found 6/9![United Airlines logo]()
$791
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/162:30 pm
IDA
- SDF
1 stop6h 29m
United Airlines
Mon 7/277:55 pm
SDF
- IDA
2 stops15h 55m
United Airlines
Deal found 6/8![United Airlines logo]()
$801
Last-minute flights from Idaho to LouisvilleDiscover last-minute flight deals from Idaho to Louisville. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Louisville. Data last updated June 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/182:26 pm
GEG
- SDF
1 stop5h 34m
Delta
Wed 8/56:50 am
SDF
- GEG
1 stop9h 07m
Delta
Deal found 6/8![Delta logo]()
$405
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1910:48 pm
GEG
- SDF
1 stop7h 06m
Delta
Tue 8/47:54 pm
SDF
- GEG
1 stop6h 15m
Delta
Deal found 6/8![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:50 pm
GEG
- SDF
1 stop8h 36m
Delta
Tue 8/47:54 pm
SDF
- GEG
1 stop6h 15m
Delta
Deal found 6/8![Delta logo]()
$375
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:48 pm
GEG
- SDF
1 stop8h 41m
Delta
Thu 8/67:54 pm
SDF
- GEG
1 stop6h 15m
Delta
Deal found 6/8![Delta logo]()
$406
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:30 am
GEG
- SDF
2 stops9h 28m
American Airlines
Wed 7/296:38 am
SDF
- GEG
1 stop8h 21m
American Airlines
Deal found 6/5![American Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:48 pm
GEG
- SDF
1 stop7h 06m
Delta
Tue 7/287:49 pm
SDF
- GEG
1 stop6h 17m
Delta
Deal found 6/5![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:48 pm
GEG
- SDF
1 stop8h 41m
Delta
Wed 7/295:55 pm
SDF
- GEG
1 stop8h 11m
Delta
Deal found 6/5![Delta logo]()
$395
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:48 pm
GEG
- SDF
1 stop8h 41m
Delta
Tue 8/47:54 pm
SDF
- GEG
1 stop6h 15m
Delta
Deal found 6/8![Delta logo]()
$426
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:10 pm
BOI
- SDF
1 stop9h 19m
Delta
Tue 7/284:47 pm
SDF
- BOI
1 stop7h 10m
Delta
Deal found 6/10![Delta logo]()
$426
This Southwest deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/255:40 am
BOI
- SDF
1 stop6h 35m
Southwest
Sat 8/12:55 pm
SDF
- BOI
2 stops11h 35m
Southwest
Deal found 6/7![Southwest logo]()
$434
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:48 pm
GEG
- SDF
1 stop7h 06m
Delta
Thu 8/67:54 pm
SDF
- GEG
1 stop6h 15m
Delta
Deal found 6/5![Delta logo]()
$410
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:48 pm
GEG
- SDF
1 stop8h 41m
Delta
Sat 8/14:28 pm
SDF
- GEG
1 stop5h 57m
Delta
Deal found 6/5![Delta logo]()
$431
One-way flights from Idaho to LouisvilleSearch for one-way flight options from Idaho to Louisville. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from Idaho to Louisville. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:48 pm
GEG
- SDF
1 stop8h 41m
Delta
Deal found 6/10![Delta logo]()
$198
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2111:10 pm
BOI
- SDF
1 stop9h 19m
Delta
Deal found 6/8![Delta logo]()
$201
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/42:04 pm
BOI
- SDF
1 stop8h 17m
Delta
Deal found 6/6![Delta logo]()
$203
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:30 am
GEG
- SDF
2 stops9h 28m
American Airlines
Deal found 6/5![American Airlines logo]()
$203
This Southwest deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:00 am
BOI
- SDF
2 stops10h 45m
Southwest
Deal found 6/6![Southwest logo]()
$208
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:30 am
GEG
- SDF
2 stops9h 28m
American Airlines
Deal found 6/10![American Airlines logo]()
$214
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:10 pm
BOI
- SDF
1 stop6h 15m
Southwest
Deal found 6/9![Southwest logo]()
$224
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1211:10 pm
BOI
- SDF
1 stop9h 19m
Delta
Deal found 6/9![Delta logo]()
$229
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:00 am
GEG
- SDF
1 stop6h 28m
United Airlines
Deal found 6/6![United Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:15 am
SUN
- SDF
1 stop6h 48m
United Airlines
Deal found 6/8![United Airlines logo]()
$231
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/129:45 pm
BOI
- SDF
2 stops10h 20m
Southwest
Deal found 6/9![Southwest logo]()
$234
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2110:48 pm
GEG
- SDF
1 stop7h 06m
Delta
Deal found 6/6![Delta logo]()
$234
Find flight deals from Idaho to Louisville
Keep the following information in mind while searching for Idaho to Louisville flight deals. Data was last updated June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $314 (Delta) |
One-way from | $198 (Delta) |
Popular in | March |
Cheapest in | August |
Average price | $520 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
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
Cheapest round-trip
SpokaneLouisville
GEG - SDF
GEGSDF
Spokane
Fri 8/21
5:40 am-5:23 pm
1 stop8h 43m
Louisville Intl
Mon 8/24
7:03 am-11:54 am
1 stop7h 51m
$385
SpokaneLouisville
GEG - SDF
GEGSDF
Spokane
Fri 8/21
1:37 pm-10:31 pm
1 stop5h 54m
Louisville Intl
Mon 8/24
10:23 am-8:46 pm
2 stops13h 23m
$390
BoiseLouisville
BOI - SDF
BOISDF
Boise Air Term. Gowen Fld
Tue 8/25
2:44 pm-10:31 pm
1 stop5h 47m
Louisville Intl
Wed 8/26
3:25 pm-9:37 pm
1 stop8h 12m
$393
SpokaneLouisville
GEG - SDF
GEGSDF
Spokane
Fri 8/21
6:30 am-6:30 pm
2 stops9h 00m
Louisville Intl
Mon 8/24
3:20 pm-10:00 pm
2 stops9h 40m
$396
BoiseLouisville
BOI - SDF
BOISDF
Boise Air Term. Gowen Fld
Tue 11/17
7:00 am-7:34 pm
2 stops10h 34m
Louisville Intl
Wed 11/18
11:00 am-9:16 pm
2 stops12h 16m
$403
SpokaneLouisville
GEG - SDF
GEGSDF
Spokane
Sat 7/18
2:26 pm-11:00 pm
1 stop5h 34m
Louisville Intl
Wed 8/5
6:50 am-12:57 pm
1 stop9h 07m
$405
Idaho FallsLouisville
IDA - SDF
IDASDF
Idaho Falls Fanning Field
Wed 8/19
2:25 pm-10:31 pm
1 stop6h 06m
Louisville Intl
Sun 8/23
8:00 am-1:29 pm
1 stop7h 29m
$410
BoiseLouisville
BOI - SDF
BOISDF
Boise Air Term. Gowen Fld
Sat 9/5
10:58 am-10:53 pm
2 stops9h 55m
Louisville Intl
Tue 9/8
6:36 am-6:35 pm
2 stops13h 59m
$421
BoiseLouisville
BOI - SDF
BOISDF
Boise Air Term. Gowen Fld
Fri 7/24
11:10 pm-10:29 am
1 stop9h 19m
Louisville Intl
Tue 7/28
4:47 pm-9:57 pm
1 stop7h 10m
$426
BoiseLouisville
BOI - SDF
BOISDF
Boise Air Term. Gowen Fld
Sat 7/25
5:40 am-2:15 pm
1 stop6h 35m
Louisville Intl
Sat 8/1
7:55 pm-12:30 am
1 stop6h 35m
$429
Showing 1-10 of 58 resultsSorted by cheapest first
Best time to book a flight from Idaho to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Idaho with our price prediction graph.
GEG-SDF
BOI-SDF
SUN-SDF
JAC-SDF
IDA-SDF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Idaho to Louisville
USID-SDF
GEG-SDF
BOI-SDF
SUN-SDF
JAC-SDF
What is the cheapest month to book a flight from Idaho to Louisville?
Currently, August is the cheapest month in which you can book a flight from Idaho to Louisville (average of $280). Flying from Idaho to Louisville in March is currently the most expensive (average of $466). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Idaho to Louisville?
Related info for your journey
Find useful and relevant information for your journey from Idaho to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsCorydon
Shepherdsville
Elizabethtown
Jeffersonville
Bardstown
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Louisville flight routes
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Alternative routes for Idaho to Louisville
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Louisville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Louisville by cabin class
Find flights from Idaho to Louisville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 10, 2026.
Idaho and Louisville flights
Browse other Idaho and Louisville flight options. Last updated on June 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Idaho to Louisville flights
Consider these flights traveling from Idaho to Louisville.
Top 4 airlines flying from Idaho to Louisville
Discover the top 4 airlines that operate flights from Idaho to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$268 | Average$475 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$510 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$329 | Average$466 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$372 | Average$492 | FlexibilityNo cancel fee | On-time63% |