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$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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SAN
nov. 26 — déc. 31
mer. 11/26
mer. 12/3
1 adult, Economy
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Cheap 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 octobre 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$255
(Kiwi.com)

One-way from

$94
(Kiwi.com)

Popular in

November

Cheapest in

June

Average price

$488
Provider with most accurate pricing for Idaho Falls Fanning Field-San Diego flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-San Diego flights.
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From Idaho Falls Fanning Field to San Diego
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One-way flight from Idaho Falls Fanning Field to San Diego
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Highest demand for flights based on searches. 18% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Idaho Falls to San Diego

Cheapest flights from Idaho Falls to San Diego
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 octobre 27, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
lun. 11/107:56 pmIDA - SAN
2 stops25h 28mMultiple Airlines
ven. 11/148:30 amSAN - IDA
1 stop6h 38mMultiple Airlines
Deal found 10/26$255
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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.
sam. 12/65:07 pmIDA - SAN
1 stop6h 40mAlaska Airlines
sam. 12/139:34 amSAN - IDA
1 stop5h 53mAlaska Airlines
Deal found 10/26$298
This United Airlines deal was found by Cheapflights users on 10/26. 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.
jeu. 11/132:45 pmIDA - SAN
1 stop7h 09mUnited Airlines
dim. 11/166:45 amSAN - IDA
1 stop5h 50mUnited Airlines
Deal found 10/26$306
This American Airlines deal was found by Cheapflights users on 10/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/107:00 amIDA - SAN
1 stop5h 57mAmerican Airlines
sam. 12/134:25 pmSAN - IDA
1 stop5h 11mAmerican Airlines
Deal found 10/26$310
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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.
mer. 12/105:07 pmIDA - SAN
2 stops16h 32mAlaska Airlines
sam. 12/139:34 amSAN - IDA
1 stop5h 53mAlaska Airlines
Deal found 10/26$359
This Alaska Airlines deal was found by Cheapflights users on 10/25. 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.
sam. 11/153:50 pmIDA - SAN
1 stop8h 09mAlaska Airlines
sam. 11/228:03 amSAN - IDA
2 stops14h 56mAlaska Airlines
Deal found 10/25$367
This Delta deal was found by Cheapflights users on 10/26. 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.
lun. 11/106:57 pmIDA - SAN
1 stop5h 58mDelta
ven. 11/146:15 amSAN - IDA
1 stop5h 19mDelta
Deal found 10/26$371

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 octobre 27, 2025.
Use the filters below to find and compare flights from Idaho Falls to San Diego that are best for you.

Fly from

Idaho Falls

Fly to

San Diego

Route

Depart

Return

Price

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

lun. 11/10

7:56 pm-8:24 pm

2 stops25h 28m

San Diego

ven. 11/14

8:30 am-4:08 pm

1 stop6h 38m

$255

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

sam. 12/6

5:07 pm-10:47 pm

1 stop6h 40m

San Diego

sam. 12/13

9:34 am-4:27 pm

1 stop5h 53m

$298

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

mer. 2/25

8:00 am-2:17 pm

1 stop7h 17m

San Diego

dim. 3/1

2:40 pm-10:38 pm

1 stop6h 58m

$298

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

jeu. 11/13

2:45 pm-8:54 pm

1 stop7h 09m

San Diego

dim. 11/16

6:45 am-1:35 pm

1 stop5h 50m

$306

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

mer. 12/10

7:00 am-11:57 am

1 stop5h 57m

San Diego

sam. 12/13

4:25 pm-10:36 pm

1 stop5h 11m

$310

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

jeu. 1/15

2:40 pm-8:42 pm

1 stop7h 02m

San Diego

mar. 1/20

6:30 am-3:31 pm

1 stop8h 01m

$331

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

jeu. 1/15

9:00 am-9:19 pm

2 stops13h 19m

San Diego

mar. 1/20

2:25 pm-11:58 pm

1 stop8h 33m

$336

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

lun. 1/19

6:58 pm-10:07 am

1 stop16h 09m

San Diego

sam. 2/7

9:37 am-6:18 pm

1 stop7h 41m

$338

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

lun. 1/5

10:52 pm-12:38 pm

1 stop14h 46m

$94

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

mer. 3/25

6:45 pm-11:51 pm

1 stop6h 06m

$131

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 14 results
1
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Idaho Falls-San Diego flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Idaho Falls-San Diego flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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 $79). Flying from Idaho Falls to San Diego in January is currently the most expensive (average of $178). 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 IDA to SAN?

Find hourly flight availability from Idaho Falls to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octobre 27, 2025.

It’s optimal to fly from Idaho Falls to San Diego in the afternoon. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight at noon.

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 octobre 27, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United 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.
Alaska Airlines
8.0
Very good
11,193 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Alaska Airlines
8.0
Very good
11,193 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Delta
7.9
Good
7,996 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
United Airlines
7.4
Good
8,999 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

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.

  • How long is the flight from Idaho Falls to San Diego?

    Departing from Idaho Falls to San Diego will take you 6h 40m. The distance between Idaho Falls and San Diego is about 795 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Idaho Falls to San Diego round-trip?

    Flying on Delta is currently your cheapest option to San Diego, with prices starting at $184. Additional round-trip tickets that might be worth considering are offered by United Airlines and Alaska Airlines, with the lowest prices starting at $192 and $253, respectively. These flights start at 51% lower than the current average price 3 months from now.

  • Can I find deals for flights from Idaho Falls to San Diego that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to San Diego.

  • Can I find deals for business class flights from Idaho Falls to San Diego?

    Yes. Cheapflights offers flight deals from Idaho Falls to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $79). Flying from Idaho Falls to San Diego in January is currently the most expensive (average of $178). 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.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
Imperial Beach
National City

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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 octobre 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$175Average$376FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$192Average$339FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$253Average$307FlexibilityNo cancel feeOn-time75%

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