$141+ Cheap flights from Idaho Falls to San Diego (IDA - SAN)
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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SAN
Sep 8 — Sep 151
Round-trip
1 adult, Economy
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Find cheap flights from Idaho Falls to San Diego 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
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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 Idaho Falls to San Diego
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Best
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Cheapest flights from Idaho Falls to San DiegoExplore the most affordable flight options available from Idaho Falls to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 9, 2026.
Explore the most affordable flight options available from Idaho Falls to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:30 pm -
2 stops38h 32m
Thu 11/58:48 pm -
1 stop15h 42m
Deal found 8/8![Multiple Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:51 pm -
1 stop23h 08m
Wed 9/237:04 pm -
2 stops39h 54m
Deal found 8/8![Multiple Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:28 pm -
2 stops38h 34m
Thu 11/58:48 pm -
1 stop15h 42m
Deal found 8/5![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:33 pm -
2 stops19h 17m
Thu 9/310:00 am -
1 stop21h 54m
Deal found 8/6![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:02 am -
1 stop9h 16m
Sun 10/187:13 pm -
1 stop21h 27m
Deal found 8/7![Multiple Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:33 pm -
2 stops24h 42m
Sun 9/69:12 pm -
1 stop15h 37m
Deal found 8/6![Multiple Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 8/7. 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.
Tue 10/271:05 pm -
1 stop3h 51m
Wed 11/45:01 pm -
1 stop4h 09m
Deal found 8/7![Delta logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:30 pm -
2 stops25h 07m
Sun 11/88:48 pm -
1 stop15h 05m
Deal found 8/9![Multiple Airlines logo]()
$274
This Alaska Airlines deal was found by Cheapflights users on 8/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:09 am -
1 stop6h 41m
Sat 10/312:59 pm -
1 stop7h 00m
Deal found 8/5![Alaska Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/52:25 pm -
2 stops11h 04m
Sat 9/128:45 am -
1 stop5h 38m
Deal found 8/6![United Airlines logo]()
$278
Best flights from Idaho Falls to San DiegoDiscover carefully curated flight deals from Idaho Falls to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 9, 2026.
Discover carefully curated flight deals from Idaho Falls to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 9, 2026.
This Delta deal was found by Cheapflights users on 8/6. 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.
Wed 9/96:57 pm -
1 stop5h 54m
Tue 9/155:01 pm -
1 stop4h 21m
Deal found 8/6![Delta logo]()
$273
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:58 pm -
1 stop6h 45m
Sat 10/172:59 pm -
1 stop7h 00m
Deal found 8/7![Alaska Airlines logo]()
$281
This United Airlines deal was found by Cheapflights users on 8/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:40 pm -
1 stop5h 50m
Tue 11/106:45 am -
1 stop5h 43m
Deal found 8/5![United Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 8/7. 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.
Tue 12/16:56 pm -
1 stop5h 57m
Sat 12/56:15 am -
1 stop5h 00m
Deal found 8/7![Delta logo]()
$273
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Fri 9/184:04 pm -
1 stop7h 24m
Tue 9/226:30 am -
1 stop5h 59m
Deal found 8/8![United Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 8/6. 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 10/66:56 pm -
1 stop5h 59m
Wed 10/145:01 pm -
1 stop4h 09m
Deal found 8/6![Delta logo]()
$273
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:58 pm -
1 stop6h 45m
Mon 10/266:53 am -
1 stop5h 28m
Deal found 8/8![Alaska Airlines logo]()
$301
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/174:04 pm -
1 stop7h 24m
Tue 9/226:30 am -
1 stop5h 59m
Deal found 8/8![United Airlines logo]()
$291
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Fri 9/114:04 pm -
1 stop5h 30m
Sat 9/267:00 am -
1 stop7h 24m
Deal found 8/8![United Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 8/9. 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.
Mon 10/266:56 pm -
1 stop5h 59m
Fri 11/66:15 am -
1 stop5h 07m
Deal found 8/9![Delta logo]()
$321
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Fri 9/114:04 pm -
1 stop7h 24m
Tue 9/156:30 am -
1 stop5h 59m
Deal found 8/9![United Airlines logo]()
$321
Last-minute flights from Idaho Falls to San DiegoDiscover last-minute flight deals from Idaho Falls to San Diego. Data last updated August 9, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to San Diego. Data last updated August 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:33 pm -
2 stops19h 17m
Thu 9/310:00 am -
1 stop21h 54m
Deal found 8/6![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:33 pm -
2 stops24h 42m
Sun 9/69:12 pm -
1 stop15h 37m
Deal found 8/6![Multiple Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 8/6. 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 9/52:25 pm -
2 stops11h 04m
Sat 9/128:45 am -
1 stop5h 38m
Deal found 8/6![United Airlines logo]()
$278
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:57 pm -
1 stop5h 24m
Tue 9/152:50 pm -
1 stop7h 06m
Deal found 8/6![Alaska Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:36 pm -
2 stops24h 39m
Thu 9/109:03 pm -
1 stop13h 47m
Deal found 8/6![Multiple Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 8/6. 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.
Wed 9/96:57 pm -
1 stop5h 54m
Sat 9/125:02 pm -
1 stop4h 20m
Deal found 8/6![Delta logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:37 pm -
1 stop23h 22m
Wed 9/167:04 pm -
2 stops40h 00m
Deal found 8/6![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:37 pm -
1 stop23h 22m
Wed 9/237:04 pm -
2 stops39h 54m
Deal found 8/9![Multiple Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Fri 9/115:53 pm -
1 stop5h 35m
Tue 9/228:45 am -
1 stop7h 31m
Deal found 8/9![United Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:51 pm -
1 stop23h 08m
Wed 9/237:04 pm -
2 stops39h 54m
Deal found 8/8![Multiple Airlines logo]()
$230
One-way flights from Idaho Falls to San DiegoSearch for one-way flight options from Idaho Falls to San Diego. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.
Search for one-way flight options from Idaho Falls to San Diego. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.
This Delta deal was found by Cheapflights users on 8/5. 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 9/151:05 pm -
1 stop3h 51m
Deal found 8/5![Delta logo]()
$141
This United Airlines deal was found by Cheapflights users on 8/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:05 pm -
2 stops9h 26m
Deal found 8/7![United Airlines logo]()
$146
This Priceline deal was found by Cheapflights users on 8/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:18 am -
1 stop6h 27m
Deal found 8/7![Alaska Airlines logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:58 pm -
2 stops19h 51m
Deal found 8/8![Multiple Airlines logo]()
$183
This Alaska Airlines deal was found by Cheapflights users on 8/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:18 am -
1 stop6h 27m
Deal found 8/5![Alaska Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:33 pm -
2 stops31h 18m
Deal found 8/5![Multiple Airlines logo]()
$195
This Booking.com deal was found by Cheapflights users on 8/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:57 pm -
1 stop5h 27m
Deal found 8/5![Alaska Airlines logo]()
$216
This Booking.com deal was found by Cheapflights users on 8/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:18 am -
2 stops12h 29m
Deal found 8/5![Alaska Airlines logo]()
$219
This Booking.com deal was found by Cheapflights users on 8/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:57 pm -
2 stops17h 51m
Deal found 8/8![Alaska Airlines logo]()
$245
Find flight deals from Idaho Falls to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $220 (Kiwi.com) |
One-way from | $141 (Delta) |
Popular in | October |
Cheapest in | March |
Average price | $418 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho Falls to San Diego 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 August 9, 2026.
Use the filters below to find and compare flights from Idaho Falls to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Idaho FallsSan Diego
IDA Idaho Falls Fanning Field - SAN San Diego
IDASAN
Idaho Falls Fanning Field
Wed 9/9
6:57 pm-11:51 pm
1 stop5h 54m
San Diego
Tue 9/15
5:01 pm-10:22 pm
1 stop4h 21m
$273
Idaho FallsSan Diego
IDA Idaho Falls Fanning Field - SAN San Diego
IDASAN
Idaho Falls Fanning Field
Tue 12/1
6:56 pm-11:53 pm
1 stop5h 57m
San Diego
Sat 12/5
6:15 am-12:15 pm
1 stop5h 00m
$273
Quickest round-trip
Idaho FallsSan Diego
IDA Idaho Falls Fanning Field - SAN San Diego
IDASAN
Idaho Falls Fanning Field
Tue 10/6
6:56 pm-11:55 pm
1 stop5h 59m
San Diego
Wed 10/14
5:01 pm-10:10 pm
1 stop4h 09m
$273
Idaho FallsSan Diego
IDA Idaho Falls Fanning Field - SAN San Diego
IDASAN
Idaho Falls Fanning Field
Tue 10/6
1:58 pm-7:43 pm
1 stop6h 45m
San Diego
Sat 10/17
2:59 pm-10:59 pm
1 stop7h 00m
$281
Idaho FallsSan Diego
IDA Idaho Falls Fanning Field - SAN San Diego
IDASAN
Idaho Falls Fanning Field
Thu 11/5
5:40 pm-10:30 pm
1 stop5h 50m
San Diego
Tue 11/10
6:45 am-1:28 pm
1 stop5h 43m
$291
Idaho FallsSan Diego
IDA Idaho Falls Fanning Field - SAN San Diego
IDASAN
Idaho Falls Fanning Field
Fri 9/18
4:04 pm-10:28 pm
1 stop7h 24m
San Diego
Tue 9/22
6:30 am-1:29 pm
1 stop5h 59m
$291
Idaho FallsSan Diego
IDA Idaho Falls Fanning Field - SAN San Diego
IDASAN
Idaho Falls Fanning Field
Thu 9/17
4:04 pm-10:28 pm
1 stop7h 24m
San Diego
Tue 9/22
6:30 am-1:29 pm
1 stop5h 59m
$291
Idaho FallsSan Diego
IDA Idaho Falls Fanning Field - SAN San Diego
IDASAN
Idaho Falls Fanning Field
Fri 9/11
4:04 pm-8:34 pm
1 stop5h 30m
San Diego
Sat 9/26
7:00 am-3:24 pm
1 stop7h 24m
$291
Idaho FallsSan Diego
IDA Idaho Falls Fanning Field - SAN San Diego
IDASAN
Idaho Falls Fanning Field
Sat 10/24
1:58 pm-7:43 pm
1 stop6h 45m
San Diego
Mon 10/26
6:53 am-1:21 pm
1 stop5h 28m
$301
Idaho FallsSan Diego
IDA Idaho Falls Fanning Field - SAN San Diego
IDASAN
Idaho Falls Fanning Field
Mon 10/26
6:56 pm-11:55 pm
1 stop5h 59m
San Diego
Fri 11/6
6:15 am-12:22 pm
1 stop5h 07m
$321
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Idaho Falls to San Diego
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to San Diego in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Idaho Falls-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Idaho Falls-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Idaho Falls to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Idaho Falls with our price prediction graph.
IDA-SAN
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 Falls to San Diego
What is the cheapest month to book a flight from Idaho Falls to San Diego?
Currently, March is the cheapest month in which you can book a flight from Idaho Falls to San Diego (average of $340). Flying from Idaho Falls to San Diego in October is currently the most expensive (average of $495). 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 Falls to San Diego?
Airfare is below average for this route at the moment.
Idaho Falls to San Diego flights typically cost between $289 and $454 in October.The cheapest round-trip price found within the last 5 days was $220 on Multiple Airlines (Oct 26-Nov 5).
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated August 9, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Idaho Falls to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Food
7.0
Overall
7.9
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Food
7.0
Overall
7.9
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Food
7.0
Overall
7.9
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Boarding
8.1
Crew
8.5
Food
7.0
Overall
7.9
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Idaho Falls to San Diego. 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 San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
National City
Chula Vista
Poway
La Mesa
Coronado
Santee
San Ysidro
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Idaho Falls and San Diego flights
Browse other Idaho Falls and San Diego flight options. Last updated on August 9, 2026.
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Top 3 airlines flying from Idaho Falls to San Diego
Discover the top 3 airlines that operate flights from Idaho Falls to San Diego. 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 August 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$240 | Average$356 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$250 | Average$454 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$250 | Average$409 | FlexibilityNo cancel fee | On-timeN/A |