$122+ Cheap flights from San Diego to Idaho Falls (SAN - 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — IDA
Aug 26 — Sep 21
Round-trip
1 adult, Economy
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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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Best
Last-minute
One-way
Cheapest flights from San Diego to Idaho FallsExplore the most affordable flight options available from San Diego to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
Explore the most affordable flight options available from San Diego to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 9/109:03 pm
SAN
- IDA
1 stop13h 47m
Multiple Airlines
Mon 9/147:23 pm
IDA
- SAN
1 stop15h 20m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 8/278:59 pm
SAN
- IDA
1 stop12h 23m
Multiple Airlines
Mon 8/318:33 pm
IDA
- SAN
2 stops24h 42m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$184
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:15 am
SAN
- IDA
1 stop5h 07m
Delta
Tue 10/131:05 pm
IDA
- SAN
1 stop3h 51m
Delta
Deal found 7/26![Delta logo]()
$261
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 9/186:30 am
SAN
- IDA
1 stop7h 53m
United Airlines
Sat 9/194:04 pm
IDA
- SAN
1 stop5h 33m
United Airlines
Deal found 7/25![United Airlines logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 9/184:02 pm
SAN
- IDA
1 stop20h 22m
Alaska Airlines
Sat 9/193:57 pm
IDA
- SAN
1 stop5h 24m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$297
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 12/51:45 pm
SAN
- IDA
1 stop7h 54m
Alaska Airlines
Mon 12/76:15 am
IDA
- SAN
1 stop7h 39m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:01 pm
SAN
- IDA
1 stop4h 31m
Delta
Mon 8/3111:35 am
IDA
- SAN
1 stop5h 21m
Delta
Deal found 7/26![Delta logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:43 pm
SAN
- IDA
1 stop12h 51m
Multiple Airlines
Fri 9/186:51 pm
IDA
- SAN
2 stops39h 11m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 7/23. 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.
Thu 8/136:29 am
SAN
- IDA
1 stop7h 06m
Delta
Thu 8/207:00 pm
IDA
- SAN
1 stop5h 50m
Delta
Deal found 7/23![Delta logo]()
$331
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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.
Wed 10/72:59 pm
SAN
- IDA
1 stop7h 00m
Alaska Airlines
Tue 10/131:58 pm
IDA
- SAN
2 stops8h 52m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$335
Best flights from San Diego to Idaho FallsDiscover carefully curated flight deals from San Diego to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
Discover carefully curated flight deals from San Diego to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
This Delta deal was found by Cheapflights users on 7/22. 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.
Wed 10/76:15 am
SAN
- IDA
1 stop5h 07m
Delta
Tue 10/136:00 am
IDA
- SAN
1 stop3h 48m
Delta
Deal found 7/22![Delta logo]()
$273
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 9/186:30 am
SAN
- IDA
1 stop7h 53m
United Airlines
Sat 9/194:04 pm
IDA
- SAN
1 stop5h 33m
United Airlines
Deal found 7/25![United Airlines logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 10/71:43 pm
SAN
- IDA
2 stops8h 16m
Alaska Airlines
Tue 10/131:58 pm
IDA
- SAN
1 stop6h 45m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:01 pm
SAN
- IDA
1 stop4h 31m
Delta
Mon 8/3111:35 am
IDA
- SAN
1 stop5h 21m
Delta
Deal found 7/26![Delta logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 12/51:45 pm
SAN
- IDA
1 stop7h 54m
Alaska Airlines
Mon 12/74:03 pm
IDA
- SAN
2 stops24h 01m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Mon 8/246:30 am
SAN
- IDA
1 stop5h 59m
United Airlines
Mon 8/314:04 pm
IDA
- SAN
2 stops9h 25m
United Airlines
Deal found 7/26![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 7/24. 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.
Thu 9/176:15 am
SAN
- IDA
1 stop5h 00m
Delta
Sun 9/206:00 am
IDA
- SAN
1 stop3h 41m
Delta
Deal found 7/24![Delta logo]()
$331
This Delta deal was found by Cheapflights users on 7/23. 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.
Thu 8/136:29 am
SAN
- IDA
1 stop7h 06m
Delta
Thu 8/207:00 pm
IDA
- SAN
1 stop5h 50m
Delta
Deal found 7/23![Delta logo]()
$331
This Delta deal was found by Cheapflights users on 7/24. 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 9/185:01 pm
SAN
- IDA
1 stop4h 21m
Delta
Sun 9/206:00 am
IDA
- SAN
1 stop3h 41m
Delta
Deal found 7/24![Delta logo]()
$337
Last-minute flights from San Diego to Idaho FallsDiscover last-minute flight deals from San Diego to Idaho Falls. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Idaho Falls. Data last updated July 27, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:35 am
SAN
- IDA
1 stop7h 59m
United Airlines
Wed 7/295:54 pm
IDA
- SAN
1 stop5h 31m
United Airlines
Deal found 7/23![United Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:45 am
SAN
- IDA
1 stop5h 49m
United Airlines
Sat 8/14:14 pm
IDA
- SAN
1 stop5h 32m
United Airlines
Deal found 7/24![United Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 8/68:51 pm
SAN
- IDA
1 stop18h 14m
Multiple Airlines
Mon 8/1010:54 pm
IDA
- SAN
1 stop16h 14m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 7/23. 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.
Thu 8/136:29 am
SAN
- IDA
1 stop7h 06m
Delta
Thu 8/207:00 pm
IDA
- SAN
1 stop5h 50m
Delta
Deal found 7/23![Delta logo]()
$331
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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 8/136:18 am
SAN
- IDA
1 stop8h 19m
Alaska Airlines
Thu 8/206:18 am
IDA
- SAN
2 stops13h 19m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 8/158:45 am
SAN
- IDA
1 stop7h 31m
United Airlines
Tue 8/182:25 pm
IDA
- SAN
1 stop7h 09m
United Airlines
Deal found 7/26![United Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:29 am
SAN
- IDA
1 stop7h 06m
Delta
Sun 8/236:00 am
IDA
- SAN
1 stop3h 41m
Delta
Deal found 7/26![Delta logo]()
$405
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Mon 8/246:30 am
SAN
- IDA
1 stop7h 53m
United Airlines
Mon 8/314:04 pm
IDA
- SAN
1 stop5h 30m
United Airlines
Deal found 7/26![United Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 8/278:59 pm
SAN
- IDA
1 stop12h 23m
Multiple Airlines
Mon 8/318:33 pm
IDA
- SAN
2 stops24h 42m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$184
One-way flights from San Diego to Idaho FallsSearch for one-way flight options from San Diego to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
Search for one-way flight options from San Diego to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 8/134:28 pm
SAN
- IDA
1 stop15h 31m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Sat 8/154:28 pm
SAN
- IDA
1 stop15h 30m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$124
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 8/512:33 pm
SAN
- IDA
1 stop7h 34m
United Airlines
Deal found 7/25![United Airlines logo]()
$176
This Delta deal was found by Cheapflights users on 7/24. 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 8/45:01 pm
SAN
- IDA
1 stop4h 31m
Delta
Deal found 7/24![Delta logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Thu 8/68:51 pm
SAN
- IDA
1 stop18h 14m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Sun 8/94:28 pm
SAN
- IDA
1 stop15h 31m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Wed 8/127:45 pm
SAN
- IDA
2 stops43h 20m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Sat 8/88:51 pm
SAN
- IDA
2 stops35h 08m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$209
Find flight deals from San Diego to Idaho Falls
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Idaho Falls (IDA). 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 July 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $170 (Kiwi.com) |
One-way from | $122 (Kiwi.com) |
Popular in | February |
Cheapest in | May |
Average price | $502 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego 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 2,558,603 searches. Data last updated July 27, 2026.
Use the filters below to find and compare flights from San Diego to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoIdaho Falls
SAN - IDA
SANIDA
San Diego
Wed 10/7
6:15 am-12:22 pm
1 stop5h 07m
Idaho Falls Fanning Field
Tue 10/13
6:00 am-8:48 am
1 stop3h 48m
$273
San DiegoIdaho Falls
SAN - IDA
SANIDA
San Diego
Fri 9/18
6:30 am-3:23 pm
1 stop7h 53m
Idaho Falls Fanning Field
Sat 9/19
4:04 pm-8:37 pm
1 stop5h 33m
$291
San DiegoIdaho Falls
SAN - IDA
SANIDA
San Diego
Mon 8/24
5:01 pm-10:32 pm
1 stop4h 31m
Idaho Falls Fanning Field
Mon 8/31
11:35 am-3:56 pm
1 stop5h 21m
$321
San DiegoIdaho Falls
SAN - IDA
SANIDA
San Diego
Thu 9/17
6:15 am-12:15 pm
1 stop5h 00m
Idaho Falls Fanning Field
Sun 9/20
6:00 am-8:41 am
1 stop3h 41m
$331
San DiegoIdaho Falls
SAN - IDA
SANIDA
San Diego
Thu 8/13
6:29 am-2:35 pm
1 stop7h 06m
Idaho Falls Fanning Field
Thu 8/20
7:00 pm-11:50 pm
1 stop5h 50m
$331
San DiegoIdaho Falls
SAN - IDA
SANIDA
San Diego
Wed 10/7
1:43 pm-10:59 pm
2 stops8h 16m
Idaho Falls Fanning Field
Tue 10/13
1:58 pm-7:43 pm
1 stop6h 45m
$335
Quickest round-trip
San DiegoIdaho Falls
SAN - IDA
SANIDA
San Diego
Fri 9/18
5:01 pm-10:22 pm
1 stop4h 21m
Idaho Falls Fanning Field
Sun 9/20
6:00 am-8:41 am
1 stop3h 41m
$337
San DiegoIdaho Falls
SAN - IDA
SANIDA
San Diego
Sat 12/5
1:45 pm-10:39 pm
1 stop7h 54m
Idaho Falls Fanning Field
Mon 12/7
4:03 pm-3:04 pm
2 stops24h 01m
$339
San DiegoIdaho Falls
SAN - IDA
SANIDA
San Diego
Mon 8/24
6:30 am-1:29 pm
1 stop5h 59m
Idaho Falls Fanning Field
Mon 8/31
4:04 pm-12:29 am
2 stops9h 25m
$354
Cheapest one-way
San DiegoIdaho Falls
SAN - IDA
SANIDA
San Diego
Sat 8/15
4:28 pm-8:58 am
1 stop15h 30m
$124
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from San Diego to Idaho Falls
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 San Diego to Idaho Falls in July.
| 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 San Diego-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Idaho Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-Idaho Falls 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 San Diego-Idaho Falls 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 San Diego to Idaho Falls
Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from San Diego with our price prediction graph.
SAN-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 San Diego to Idaho Falls
What is the cheapest month to book a flight from San Diego to Idaho Falls?
Currently, May is the cheapest month in which you can book a flight from San Diego to Idaho Falls (average of $309). Flying from San Diego to Idaho Falls in February is currently the most expensive (average of $704). 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 San Diego to Idaho Falls?
Airfare is below average for this route at the moment.
San Diego to Idaho Falls flights typically cost between $330 and $512 in September.The cheapest round-trip price found within the last 5 days was $170 on Multiple Airlines (Sep 10-Sep 14).
Reviews of airlines servicing Idaho Falls
Get insights into the airlines that provide service to Idaho Falls. 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 Idaho Falls. Reviews last updated July 27, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited Airlines from San Diego to Idaho Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Overall
7.9
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Overall
7.9
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Overall
7.9
Comfort
7.8
Entertainment
7.0
Food
7.0
Boarding
8.1
Crew
8.5
Reviews
1 / 20
2.0
MediocreArt,Dec 2025
SAN - OGG
Related info for your journey
Find useful and relevant information for your journey from San Diego to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Book flights to Idaho Falls if you plan to visit one of these locationsRexburg
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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 July 27, 2026.
San Diego and Idaho Falls flights
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Top 3 airlines flying from San Diego to Idaho Falls
Discover the top 3 airlines that operate flights from San Diego 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 2,558,603 searches. Data last updated July 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$378 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$258 | Average$475 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$379 | FlexibilityNo cancel fee | On-time75% |