$94+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SAN
May 25 — Jun 11
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
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 Idaho Falls to San Diego
Cheapest
Best
Last-minute
One-way
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 April 25, 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 April 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 6/14:43 pm
IDA
- SAN
1 stop17h 04m
Multiple Airlines
Fri 6/59:43 am
SAN
- IDA
1 stop5h 25m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/1110:21 pm
IDA
- SAN
1 stop23h 43m
Multiple Airlines
Thu 8/209:53 pm
SAN
- IDA
1 stop11h 54m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/1110:21 pm
IDA
- SAN
1 stop23h 43m
Multiple Airlines
Sun 8/239:53 pm
SAN
- IDA
1 stop11h 54m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 6/810:56 pm
IDA
- SAN
1 stop23h 02m
Multiple Airlines
Sun 6/148:29 pm
SAN
- IDA
1 stop18h 39m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Mon 6/14:43 pm
IDA
- SAN
1 stop17h 04m
Multiple Airlines
Thu 6/41:38 pm
SAN
- IDA
2 stops25h 30m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$238
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am
IDA
- SAN
1 stop4h 06m
Delta
Sat 10/175:00 pm
SAN
- IDA
1 stop4h 19m
Delta
Deal found 4/24![Delta logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/1110:21 pm
IDA
- SAN
1 stop23h 43m
Multiple Airlines
Tue 8/254:17 pm
SAN
- IDA
1 stop17h 39m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/810:21 pm
IDA
- SAN
1 stop23h 48m
Multiple Airlines
Thu 8/209:53 pm
SAN
- IDA
1 stop11h 54m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/1510:21 pm
IDA
- SAN
1 stop23h 43m
Multiple Airlines
Wed 5/274:17 pm
SAN
- IDA
2 stops41h 33m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$261
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 April 25, 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 April 25, 2026.
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:45 pm
IDA
- SAN
1 stop6h 02m
Delta
Sat 10/175:00 pm
SAN
- IDA
1 stop4h 19m
Delta
Deal found 4/24![Delta logo]()
$286
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 5/164:03 pm
IDA
- SAN
1 stop5h 04m
Alaska Airlines
Wed 5/277:00 am
SAN
- IDA
1 stop5h 17m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/295:54 pm
IDA
- SAN
1 stop5h 31m
United Airlines
Sat 5/306:30 am
SAN
- IDA
1 stop5h 55m
United Airlines
Deal found 4/21![United Airlines logo]()
$396
This Delta deal was found by Cheapflights users on 4/23. 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 5/296:54 pm
IDA
- SAN
1 stop5h 49m
Delta
Wed 6/35:01 pm
SAN
- IDA
1 stop4h 41m
Delta
Deal found 4/23![Delta logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 9/246:18 am
IDA
- SAN
1 stop6h 28m
Alaska Airlines
Mon 9/286:09 pm
SAN
- IDA
1 stop17h 57m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$306
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 5/66:00 am
IDA
- SAN
1 stop7h 04m
Alaska Airlines
Tue 8/253:40 pm
SAN
- IDA
1 stop6h 16m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:54 pm
IDA
- SAN
1 stop5h 49m
Delta
Wed 5/271:30 pm
SAN
- IDA
1 stop3h 44m
Delta
Deal found 4/24![Delta logo]()
$360
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:54 pm
IDA
- SAN
1 stop5h 49m
Delta
Tue 5/269:50 am
SAN
- IDA
1 stop3h 44m
Delta
Deal found 4/24![Delta logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 5/296:00 am
IDA
- SAN
1 stop6h 51m
Alaska Airlines
Sat 5/307:00 am
SAN
- IDA
1 stop5h 17m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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 8/276:18 am
IDA
- SAN
2 stops13h 44m
Alaska Airlines
Sun 8/308:13 pm
SAN
- IDA
1 stop15h 53m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$393
Last-minute flights from Idaho Falls to San DiegoDiscover last-minute flight deals from Idaho Falls to San Diego. Data last updated April 25, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to San Diego. Data last updated April 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/810:21 pm
IDA
- SAN
1 stop23h 48m
Multiple Airlines
Thu 8/209:53 pm
SAN
- IDA
1 stop11h 54m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/810:21 pm
IDA
- SAN
1 stop23h 48m
Multiple Airlines
Sun 8/239:53 pm
SAN
- IDA
1 stop11h 54m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/1110:21 pm
IDA
- SAN
1 stop23h 43m
Multiple Airlines
Thu 8/209:53 pm
SAN
- IDA
1 stop11h 54m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/1110:21 pm
IDA
- SAN
1 stop23h 43m
Multiple Airlines
Sun 8/239:53 pm
SAN
- IDA
1 stop11h 54m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/1110:21 pm
IDA
- SAN
1 stop23h 43m
Multiple Airlines
Wed 8/194:17 pm
SAN
- IDA
1 stop25h 47m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/1110:21 pm
IDA
- SAN
1 stop23h 43m
Multiple Airlines
Tue 8/254:17 pm
SAN
- IDA
1 stop17h 39m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/1510:21 pm
IDA
- SAN
1 stop23h 43m
Multiple Airlines
Wed 5/274:17 pm
SAN
- IDA
2 stops41h 33m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$261
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 5/164:03 pm
IDA
- SAN
1 stop5h 04m
Alaska Airlines
Wed 5/277:00 am
SAN
- IDA
1 stop5h 17m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$289
This Expedia deal was found by Cheapflights users on 4/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/304:03 pm
IDA
- SAN
1 stop5h 04m
Alaska Airlines
Sat 6/67:00 am
SAN
- IDA
1 stop5h 17m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$290
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 April 25, 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 April 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/25. 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.
Mon 6/1510:56 pm
IDA
- SAN
1 stop23h 02m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 5/410:21 pm
IDA
- SAN
1 stop21h 18m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Mon 5/1810:21 pm
IDA
- SAN
1 stop23h 43m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/295:38 pm
IDA
- SAN
1 stop28h 34m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$117
This Delta deal was found by Cheapflights users on 4/25. 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.
Tue 6/163:25 pm
IDA
- SAN
1 stop3h 43m
Delta
Deal found 4/25![Delta logo]()
$126
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/295:54 pm
IDA
- SAN
1 stop5h 31m
United Airlines
Deal found 4/22![United Airlines logo]()
$146
This Delta deal was found by Cheapflights users on 4/22. 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 5/296:54 pm
IDA
- SAN
1 stop5h 49m
Delta
Deal found 4/22![Delta logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 6/1910:56 pm
IDA
- SAN
2 stops26h 19m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 4/25. 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.
Sat 6/207:07 pm
IDA
- SAN
1 stop4h 11m
Delta
Deal found 4/25![Delta logo]()
$160
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 April 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $200 (Kiwi.com) |
One-way from | $94 (Kiwi.com) |
Popular in | October |
Cheapest in | June |
Average price | $354 |
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 April 25, 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 - SAN
IDASAN
Idaho Falls Fanning Field
Fri 10/16
6:45 pm-11:47 pm
1 stop6h 02m
San Diego
Sat 10/17
5:00 pm-10:19 pm
1 stop4h 19m
$286
Idaho FallsSan Diego
IDA - SAN
IDASAN
Idaho Falls Fanning Field
Sat 5/16
4:03 pm-8:07 pm
1 stop5h 04m
San Diego
Wed 5/27
7:00 am-1:17 pm
1 stop5h 17m
$289
Idaho FallsSan Diego
IDA - SAN
IDASAN
Idaho Falls Fanning Field
Fri 5/29
6:54 pm-11:43 pm
1 stop5h 49m
San Diego
Wed 6/3
5:01 pm-10:42 pm
1 stop4h 41m
$302
Idaho FallsSan Diego
IDA - SAN
IDASAN
Idaho Falls Fanning Field
Thu 9/24
6:18 am-11:46 am
1 stop6h 28m
San Diego
Mon 9/28
6:09 pm-1:06 pm
1 stop17h 57m
$306
Idaho FallsSan Diego
IDA - SAN
IDASAN
Idaho Falls Fanning Field
Wed 5/6
6:00 am-12:04 pm
1 stop7h 04m
San Diego
Tue 8/25
3:40 pm-10:56 pm
1 stop6h 16m
$336
Quickest round-trip
Idaho FallsSan Diego
IDA - SAN
IDASAN
Idaho Falls Fanning Field
Fri 5/15
6:54 pm-11:43 pm
1 stop5h 49m
San Diego
Wed 5/27
1:30 pm-6:14 pm
1 stop3h 44m
$360
Idaho FallsSan Diego
IDA - SAN
IDASAN
Idaho Falls Fanning Field
Fri 5/15
6:54 pm-11:43 pm
1 stop5h 49m
San Diego
Tue 5/26
9:50 am-2:34 pm
1 stop3h 44m
$360
Idaho FallsSan Diego
IDA - SAN
IDASAN
Idaho Falls Fanning Field
Fri 5/29
6:00 am-11:51 am
1 stop6h 51m
San Diego
Sat 5/30
7:00 am-1:17 pm
1 stop5h 17m
$364
Idaho FallsSan Diego
IDA - SAN
IDASAN
Idaho Falls Fanning Field
Thu 8/27
6:18 am-7:02 pm
2 stops13h 44m
San Diego
Sun 8/30
8:13 pm-1:06 pm
1 stop15h 53m
$393
Idaho FallsSan Diego
IDA - SAN
IDASAN
Idaho Falls Fanning Field
Fri 5/29
5:54 pm-10:25 pm
1 stop5h 31m
San Diego
Sat 5/30
6:30 am-1:25 pm
1 stop5h 55m
$396
Showing 1-10 of 20 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 April.
| 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, June is the cheapest month in which you can book a flight from Idaho Falls to San Diego (average of $258). 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?
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 April 25, 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.
Crew
8.5
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.0
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.0
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.0
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Food
7.0
Overall
7.9
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
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove
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
Other flight options
Other flights from Idaho Falls
Popular flights
San Diego flight routes
Alternative routes for Idaho Falls to San Diego
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho Falls to San Diego by cabin class
Find flights from Idaho Falls to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho Falls and San Diego flights
Browse other Idaho Falls and San Diego flight options. Last updated on April 25, 2026.
Other flights from Idaho Falls
Browse through other flights departing from Idaho Falls. Flights are based on user searches made on Cheapflights and were last updated on April 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 25, 2026.
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 April 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$175 | Average$348 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$240 | Average$356 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$263 | Average$375 | FlexibilityNo cancel fee | On-time75% |