$59+ Cheap flights from California to Idaho Falls (IDA)
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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — IDA
Sep 28 — Oct 51
Round-trip
1 adult, Economy
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Find cheap flights from California to Idaho Falls with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from California to Idaho Falls
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Cheapest flights from California to Idaho FallsExplore the most affordable flight options available from California to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 29, 2026.
Explore the most affordable flight options available from California to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 29, 2026.
This CheapOair deal was found by Cheapflights users on 8/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:12 pm -
Nonstop1h 48m
Mon 10/57:42 pm -
Nonstop1h 44m
Deal found 8/28![Allegiant Air logo]()
$83
This CheapOair deal was found by Cheapflights users on 8/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:01 am -
Nonstop1h 49m
Mon 9/146:21 pm -
Nonstop1h 45m
Deal found 8/29![Allegiant Air logo]()
$96
This CheapOair deal was found by Cheapflights users on 8/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:12 pm -
Nonstop1h 48m
Fri 10/210:49 pm -
Nonstop1h 44m
Deal found 8/26![Allegiant Air logo]()
$116
This Cheapflightsfares deal was found by Cheapflights users on 8/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:01 am -
Nonstop1h 49m
Fri 9/186:51 pm -
Nonstop1h 45m
Deal found 8/25![Allegiant Air logo]()
$120
This CheapOair deal was found by Cheapflights users on 8/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:41 am -
Nonstop1h 49m
Fri 11/2010:25 pm -
Nonstop1h 42m
Deal found 8/26![Allegiant Air logo]()
$124
This CheapOair deal was found by Cheapflights users on 8/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:09 am -
Nonstop1h 49m
Fri 10/210:49 pm -
Nonstop1h 44m
Deal found 8/28![Allegiant Air logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:12 pm -
Nonstop1h 48m
Mon 10/261:26 pm -
1 stop4h 57m
Deal found 8/24![Multiple Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:12 pm -
Nonstop1h 48m
Mon 10/51:38 pm -
1 stop5h 08m
Deal found 8/28![Multiple Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:03 pm -
1 stop17h 57m
Mon 10/57:42 pm -
1 stop22h 17m
Deal found 8/25![Multiple Airlines logo]()
$175
This Booking.com deal was found by Cheapflights users on 8/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:12 pm -
Nonstop1h 48m
Sat 10/36:09 am -
1 stop6h 03m
Deal found 8/26![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:04 pm -
1 stop23h 26m
Mon 9/286:21 pm -
1 stop23h 38m
Deal found 8/25![Multiple Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:04 pm -
2 stops40h 00m
Mon 9/217:30 pm -
1 stop15h 13m
Deal found 8/26![Multiple Airlines logo]()
$247
Best flights from California to Idaho FallsDiscover carefully curated flight deals from California to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.
Discover carefully curated flight deals from California to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 29, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:12 pm -
Nonstop1h 48m
Mon 10/57:42 pm -
Nonstop1h 44m
Deal found 8/26![Allegiant Air logo]()
$93
This Alaska Airlines deal was found by Cheapflights users on 8/29. 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 10/76:15 am -
1 stop8h 05m
Tue 10/136:09 am -
1 stop8h 14m
Deal found 8/29![Alaska Airlines logo]()
$281
This United Airlines deal was found by Cheapflights users on 8/27. 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 10/287:00 am -
1 stop7h 38m
Sat 10/314:30 pm -
1 stop5h 25m
Deal found 8/27![United Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 8/28. 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 10/35:10 pm -
1 stop4h 12m
Sun 10/46:57 pm -
1 stop5h 38m
Deal found 8/28![Delta logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:01 am -
Nonstop1h 49m
Mon 9/1412:24 pm -
2 stops10h 46m
Deal found 8/29![Multiple Airlines logo]()
$325
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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.
Tue 9/2212:45 pm -
1 stop9h 11m
Tue 9/293:57 pm -
1 stop7h 51m
Deal found 8/25![Alaska Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Mon 12/286:45 am -
1 stop5h 43m
Sat 1/24:20 pm -
1 stop7h 12m
Deal found 8/25![United Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 8/25. 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 1/76:15 am -
1 stop5h 12m
Mon 1/116:00 am -
1 stop4h 06m
Deal found 8/25![Delta logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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.
Fri 10/307:00 am -
1 stop5h 21m
Mon 11/21:53 pm -
1 stop7h 52m
Deal found 8/25![Alaska Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 8/26. 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 10/295:00 am -
1 stop7h 28m
Tue 11/34:30 pm -
1 stop5h 30m
Deal found 8/26![United Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 8/29. 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 10/17:00 am -
2 stops10h 17m
Mon 10/51:05 pm -
1 stop6h 01m
Deal found 8/29![Delta logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Fri 10/307:02 am -
1 stop5h 19m
Mon 11/21:53 pm -
1 stop6h 35m
Deal found 8/24![Alaska Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 8/25. 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 1/1410:31 am -
2 stops6h 43m
Tue 1/196:00 am -
1 stop4h 15m
Deal found 8/25![Delta logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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.
Thu 10/298:03 am -
1 stop4h 18m
Mon 11/21:53 pm -
1 stop5h 07m
Deal found 8/28![Alaska Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 8/27. 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 10/73:00 pm -
2 stops6h 10m
Tue 10/131:05 pm -
2 stops10h 46m
Deal found 8/27![Delta logo]()
$335
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Sun 9/139:00 am -
1 stop5h 23m
Thu 9/174:04 pm -
1 stop5h 48m
Deal found 8/29![United Airlines logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Mon 9/287:23 am -
1 stop5h 01m
Thu 10/13:57 pm -
1 stop4h 57m
Deal found 8/24![Alaska Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 8/25. 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 1/145:45 am -
1 stop5h 42m
Tue 1/196:45 pm -
1 stop6h 09m
Deal found 8/25![Delta logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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.
Sat 10/248:03 am -
1 stop4h 18m
Wed 10/283:57 pm -
1 stop4h 34m
Deal found 8/26![Alaska Airlines logo]()
$332
This United Airlines deal was found by Cheapflights users on 8/29. 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 9/168:45 am -
1 stop7h 31m
Thu 9/174:04 pm -
1 stop5h 53m
Deal found 8/29![United Airlines logo]()
$411
This Alaska Airlines deal was found by Cheapflights users on 8/29. 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.
Sat 10/178:03 am -
1 stop4h 18m
Tue 10/201:58 pm -
1 stop4h 57m
Deal found 8/29![Alaska Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 8/25. 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 2/101:50 pm -
2 stops7h 29m
Mon 2/156:45 pm -
1 stop6h 09m
Deal found 8/25![Delta logo]()
$366
This Delta deal was found by Cheapflights users on 8/25. 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 2/105:00 pm -
1 stop4h 19m
Tue 2/166:00 am -
2 stops9h 52m
Deal found 8/25![Delta logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 1/77:00 am -
1 stop7h 21m
Mon 1/111:56 pm -
1 stop7h 35m
Deal found 8/27![Alaska Airlines logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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.
Thu 12/248:03 am -
1 stop4h 12m
Thu 12/311:52 pm -
1 stop5h 49m
Deal found 8/28![Alaska Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 8/29. 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 10/1711:20 am -
2 stops9h 50m
Tue 10/206:00 am -
2 stops7h 20m
Deal found 8/29![Delta logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 8/28. 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.
Thu 10/156:53 am -
1 stop5h 28m
Sun 10/183:57 pm -
1 stop22h 15m
Deal found 8/28![Alaska Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 8/27. 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 9/162:56 pm -
2 stops6h 26m
Thu 9/171:05 pm -
1 stop4h 08m
Deal found 8/27![Delta logo]()
$391
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Sun 11/155:00 am -
1 stop7h 28m
Sat 11/212:35 pm -
1 stop7h 16m
Deal found 8/26![United Airlines logo]()
$586
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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.
Mon 9/287:23 am -
1 stop5h 01m
Fri 10/23:57 pm -
1 stop25h 50m
Deal found 8/26![Alaska Airlines logo]()
$342
Last-minute flights from California to Idaho FallsDiscover last-minute flight deals from California to Idaho Falls. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from California to Idaho Falls. Data last updated August 29, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 8/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:05 am -
Nonstop1h 49m
Mon 9/78:36 pm -
Nonstop1h 45m
Deal found 8/29![Allegiant Air logo]()
$275
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/711:00 am -
Nonstop1h 49m
Mon 9/146:21 pm -
Nonstop1h 45m
Deal found 8/28![Allegiant Air logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:24 pm -
1 stop12h 26m
Mon 9/146:21 pm -
1 stop14h 53m
Deal found 8/26![Multiple Airlines logo]()
$297
This CheapOair deal was found by Cheapflights users on 8/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:01 am -
Nonstop1h 49m
Mon 9/146:21 pm -
Nonstop1h 45m
Deal found 8/29![Allegiant Air logo]()
$96
This Cheapflightsfares deal was found by Cheapflights users on 8/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:01 am -
Nonstop1h 49m
Fri 9/186:51 pm -
Nonstop1h 45m
Deal found 8/25![Allegiant Air logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:01 am -
Nonstop1h 49m
Fri 9/1812:54 pm -
1 stop20h 51m
Deal found 8/25![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:01 am -
Nonstop1h 49m
Mon 9/1412:24 pm -
1 stop6h 22m
Deal found 8/29![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:04 pm -
2 stops40h 00m
Mon 9/217:30 pm -
1 stop15h 13m
Deal found 8/26![Multiple Airlines logo]()
$247
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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.
Tue 9/2212:45 pm -
1 stop9h 11m
Tue 9/293:57 pm -
1 stop7h 51m
Deal found 8/25![Alaska Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:04 pm -
1 stop23h 26m
Mon 9/286:21 pm -
1 stop23h 38m
Deal found 8/25![Multiple Airlines logo]()
$237
This CheapOair deal was found by Cheapflights users on 8/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:09 am -
Nonstop1h 49m
Fri 10/210:49 pm -
Nonstop1h 44m
Deal found 8/28![Allegiant Air logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:09 am -
Nonstop1h 49m
Fri 10/24:45 pm -
1 stop17h 00m
Deal found 8/28![Multiple Airlines logo]()
$268
One-way flights from California to Idaho FallsSearch for one-way flight options from California to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
Search for one-way flight options from California to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated August 29, 2026.
This Super.com deal was found by Cheapflights users on 8/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:01 am -
Nonstop1h 49m
Deal found 8/28![Allegiant Air logo]()
$59
This CheapOair deal was found by Cheapflights users on 8/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:46 am -
Nonstop1h 48m
Deal found 8/25![Allegiant Air logo]()
$65
This Super.com deal was found by Cheapflights users on 8/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:45 am -
Nonstop1h 49m
Deal found 8/26![Allegiant Air logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:57 pm -
1 stop17h 03m
Deal found 8/25![Multiple Airlines logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:58 am -
1 stop21h 04m
Deal found 8/25![Multiple Airlines logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:04 pm -
1 stop12h 54m
Deal found 8/26![Multiple Airlines logo]()
$119
This Super.com deal was found by Cheapflights users on 8/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:45 am -
Nonstop1h 49m
Deal found 8/25![Allegiant Air logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:24 pm -
1 stop12h 34m
Deal found 8/26![Multiple Airlines logo]()
$128
This Delta deal was found by Cheapflights users on 8/28. 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 10/35:15 pm -
1 stop4h 07m
Deal found 8/28![Delta logo]()
$139
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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.
Mon 9/287:03 am -
1 stop5h 21m
Deal found 8/26![Alaska Airlines logo]()
$151
This Delta deal was found by Cheapflights users on 8/25. 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 9/215:10 pm -
1 stop4h 12m
Deal found 8/25![Delta logo]()
$151
This Booking.com deal was found by Cheapflights users on 8/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:02 pm -
1 stop19h 18m
Deal found 8/28![Alaska Airlines logo]()
$156
Find flight deals from California to Idaho Falls
Keep the following information in mind while searching for California to Idaho Falls flight deals. Data was last updated August 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $83 (CheapOair) |
One-way from | $59 (Super.com) |
Popular in | August |
Cheapest in | September |
Average price | $550 |
Good round-trip deal | $203 or less |
Good one-way deal | $134 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from California to Idaho Falls 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 7,457,451 searches. Data last updated August 29, 2026.
Use the filters below to find and compare flights from California to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Las VegasIdaho Falls
LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field
LASIDA
Las Vegas Harry Reid Intl
Fri 10/2
1:12 pm-4:00 pm
Nonstop1h 48m
Idaho Falls Fanning Field
Mon 10/5
7:42 pm-8:26 pm
Nonstop1h 44m
$93
San DiegoIdaho Falls
SAN San Diego - IDA Idaho Falls Fanning Field
SANIDA
San Diego
Wed 10/7
6:15 am-3:20 pm
1 stop8h 05m
Idaho Falls Fanning Field
Tue 10/13
6:09 am-1:23 pm
1 stop8h 14m
$281
Los AngelesIdaho Falls
LAX Los Angeles - IDA Idaho Falls Fanning Field
LAXIDA
Los Angeles
Tue 9/22
12:45 pm-10:56 pm
1 stop9h 11m
Idaho Falls Fanning Field
Tue 9/29
3:57 pm-10:48 pm
1 stop7h 51m
$299
Las VegasIdaho Falls
LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field
LASIDA
Las Vegas Harry Reid Intl
Wed 10/28
7:00 am-3:38 pm
1 stop7h 38m
Idaho Falls Fanning Field
Sat 10/31
4:30 pm-8:55 pm
1 stop5h 25m
$301
Las VegasIdaho Falls
LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field
LASIDA
Las Vegas Harry Reid Intl
Sat 10/3
5:10 pm-10:22 pm
1 stop4h 12m
Idaho Falls Fanning Field
Sun 10/4
6:57 pm-11:35 pm
1 stop5h 38m
$301
Los AngelesIdaho Falls
LAX Los Angeles - IDA Idaho Falls Fanning Field
LAXIDA
Los Angeles
Fri 10/30
7:00 am-1:21 pm
1 stop5h 21m
Idaho Falls Fanning Field
Mon 11/2
1:53 pm-8:45 pm
1 stop7h 52m
$318
Las VegasIdaho Falls
LAS Las Vegas Harry Reid Intl - IDA Idaho Falls Fanning Field
LASIDA
Las Vegas Harry Reid Intl
Fri 10/30
7:02 am-1:21 pm
1 stop5h 19m
Idaho Falls Fanning Field
Mon 11/2
1:53 pm-7:28 pm
1 stop6h 35m
$319
San DiegoIdaho Falls
SAN San Diego - IDA Idaho Falls Fanning Field
SANIDA
San Diego
Mon 12/28
6:45 am-1:28 pm
1 stop5h 43m
Idaho Falls Fanning Field
Sat 1/2
4:20 pm-10:32 pm
1 stop7h 12m
$321
San DiegoIdaho Falls
SAN San Diego - IDA Idaho Falls Fanning Field
SANIDA
San Diego
Thu 1/7
6:15 am-12:27 pm
1 stop5h 12m
Idaho Falls Fanning Field
Mon 1/11
6:00 am-9:06 am
1 stop4h 06m
$321
SacramentoIdaho Falls
SMF Sacramento Intl - IDA Idaho Falls Fanning Field
SMFIDA
Sacramento Intl
Thu 10/29
5:00 am-1:28 pm
1 stop7h 28m
Idaho Falls Fanning Field
Tue 11/3
4:30 pm-9:00 pm
1 stop5h 30m
$321
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from California to Idaho Falls
Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from California with our price prediction graph.
LAS-IDA
SAN-IDA
LAX-IDA
SJC-IDA
SMF-IDA
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 California to Idaho Falls
USCA-IDA
LAS-IDA
SAN-IDA
LAX-IDA
SJC-IDA
What is the cheapest month to book a flight from California to Idaho Falls?
Currently, January is the cheapest month in which you can book a flight from California to Idaho Falls (average of $267). Flying from California to Idaho Falls in July is currently the most expensive (average of $468). 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.
What is the cheapest time of day to fly from CA to IDA?
Find hourly flight availability from California to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 29, 2026.
When flying from California to Idaho Falls, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 31% versus a flight in the morning.
How much does it cost to fly round-trip from California to Idaho Falls?
Airfare is typical for this route at the moment.
California to Idaho Falls flights typically cost between $221 and $293 in October.The cheapest round-trip price found within the last 5 days was $289 on Alaska Airlines (Oct 2-Oct 10).
Related info for your journey
Find useful and relevant information for your journey from California to Idaho Falls. 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 Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsRexburg
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Alternative routes for California to Idaho Falls
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Complete your trip
Complete your trip to Idaho Falls by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from California to Idaho Falls by cabin class
Find flights from California to Idaho Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Idaho Falls
Explore flights to Idaho Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 29, 2026.
California and Idaho Falls flights
Browse other California and Idaho Falls flight options. Last updated on August 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
California to Idaho Falls flights
Consider these flights traveling from California to Idaho Falls.
Top 4 airlines flying from California to Idaho Falls
Discover the top 4 airlines that operate flights from California to Idaho Falls. 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 7,457,451 searches. Data last updated August 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$132 | Average$249 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$133 | Average$443 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$162 | Average$387 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$283 | Average$518 | FlexibilityNo cancel fee | On-time69% |