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$199+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SAN
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$265
(Delta)

One-way from

$199
(Alaska Airlines)

Popular in

May

Cheapest in

January

Average price

$475
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. 13% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 3, 2025.

This Delta deal was found by Cheapflights users on 4/2. 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 4/296:00 amIDA - SAN
1 stop3h 56mDelta
Tue 5/65:17 pmSAN - IDA
1 stop4h 39mDelta
Deal found 4/2$265
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Tue 4/297:43 amIDA - SAN
1 stop5h 18mAmerican Airlines
Tue 5/610:00 amSAN - IDA
2 stops10h 17mAmerican Airlines
Deal found 4/2$270
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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 4/296:00 amIDA - SAN
1 stop17h 44mAlaska Airlines
Fri 5/21:43 pmSAN - IDA
1 stop7h 53mAlaska Airlines
Deal found 4/2$303
This United Airlines deal was found by Cheapflights users on 4/2. 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 8/46:03 pmIDA - SAN
1 stop5h 11mUnited Airlines
Fri 8/84:10 pmSAN - IDA
1 stop5h 41mUnited Airlines
Deal found 4/2$305
This Hawaiian Airlines deal was found by Cheapflights users on 4/1. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/194:11 pmIDA - SAN
1 stop6h 38mHawaiian Airlines
Tue 4/299:00 amSAN - IDA
1 stop5h 58mHawaiian Airlines
Deal found 4/1$337
This United deal was found by Cheapflights users on 4/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/510:50 amIDA - SAN
2 stops10h 50mMultiple Airlines
Mon 4/77:00 amSAN - IDA
1 stop7h 34mMultiple Airlines
Deal found 4/1$706

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 3, 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

Tue 4/29

6:00 am-8:56 am

1 stop3h 56m

San Diego

Tue 5/6

5:17 pm-10:56 pm

1 stop4h 39m

$265

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Tue 4/29

7:43 am-12:01 pm

1 stop5h 18m

San Diego

Tue 5/6

10:00 am-9:17 pm

2 stops10h 17m

$270

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Tue 4/29

6:00 am-10:44 pm

1 stop17h 44m

San Diego

Fri 5/2

1:43 pm-10:36 pm

1 stop7h 53m

$303

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Mon 8/4

6:03 pm-10:14 pm

1 stop5h 11m

San Diego

Fri 8/8

4:10 pm-10:51 pm

1 stop5h 41m

$305

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Sat 4/19

4:11 pm-9:49 pm

1 stop6h 38m

San Diego

Tue 4/29

9:00 am-3:58 pm

1 stop5h 58m

$337

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Sat 4/19

4:11 pm-8:20 am

2 stops17h 09m

$199

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Fri 4/18

12:59 pm-9:54 pm

1 stop9h 55m

$206

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Mon 4/14

6:55 pm-11:43 pm

1 stop5h 48m

$226

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Sat 4/19

6:50 am-8:22 pm

3 stops14h 32m

$551

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

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.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 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.
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, August is the cheapest month in which you can book a flight from Idaho Falls to San Diego (average of $286). Flying from Idaho Falls to San Diego in March is currently the most expensive (average of $366). 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 April 3, 2025.

It’s optimal to fly from Idaho Falls to San Diego in the afternoon. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight at noon.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 3, 2025.
Read through reviews of airlines operating flights from Idaho Falls to San Diego, such as Alaska Airlines, Delta and Hawaiian Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,825 reviews

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Alaska Airlines
8.0
Very good
9,825 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Hawaiian Airlines
7.9
Good
2,344 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
United Airlines
7.4
Good
8,619 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,825 reviews

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

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.

  • 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 $265. Additional round-trip tickets that might be worth considering are offered by American Airlines and Alaska Airlines, with the lowest prices starting at $270 and $303, respectively. These flights start at 36% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Idaho Falls to San Diego one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $199. Users have also found prices from $206 and $226 on American Airlines and Delta, respectively.

  • 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, August is the cheapest month in which you can book a flight from Idaho Falls to San Diego (average of $286). Flying from Idaho Falls to San Diego in March is currently the most expensive (average of $366). 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 Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

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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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$192Average$395FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$253Average$307FlexibilityNo cancel feeOn-time75%
DeltaCheapest$268Average$438FlexibilityNo cancel feeOn-timeN/A

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