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Idaho Falls

$84+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — IDA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$181
(Mytrip)

One-way from

$84
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$772
From San Diego to Idaho Falls Fanning Field
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One-way flight from San Diego to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 19% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from San Diego to Idaho Falls

Cheapest flights from San Diego to Idaho Falls
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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/410:55 amSAN - IDA
1 stop6h 38mMultiple Airlines
Mon 8/116:12 pmIDA - SAN
1 stop24h 43mMultiple Airlines
Deal found 6/10$181
This Delta deal was found by Cheapflights users on 6/12. 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 8/46:15 amSAN - IDA
1 stop7h 04mDelta
Wed 8/206:00 amIDA - SAN
1 stop3h 39mDelta
Deal found 6/12$241
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 10/1410:30 amSAN - IDA
1 stop11h 08mAlaska Airlines
Sat 10/254:15 pmIDA - SAN
1 stop7h 47mAlaska Airlines
Deal found 6/10$253
This American Airlines deal was found by Cheapflights users on 6/10. 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 10/148:10 amSAN - IDA
2 stops12h 01mAmerican Airlines
Sat 10/251:50 pmIDA - SAN
2 stops8h 50mAmerican Airlines
Deal found 6/10$312
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/116:45 amSAN - IDA
1 stop7h 44mUnited Airlines
Wed 7/166:03 pmIDA - SAN
1 stop5h 11mUnited Airlines
Deal found 6/11$335
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 8/16:15 amSAN - IDA
1 stop8h 07mHawaiian Airlines
Fri 8/84:03 pmIDA - SAN
1 stop5h 51mHawaiian Airlines
Deal found 6/11$471

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 June 12, 2025.
Use the filters below to find and compare flights from San Diego to Idaho Falls that are best for you.

Fly from

San Diego

Fly to

Idaho Falls

Route

Depart

Return

Price

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Mon 8/4

10:55 am-6:33 pm

1 stop6h 38m

Idaho Falls Fanning Field

Mon 8/11

6:12 pm-5:55 pm

1 stop24h 43m

$181

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Mon 8/4

6:15 am-2:19 pm

1 stop7h 04m

Idaho Falls Fanning Field

Wed 8/20

6:00 am-8:39 am

1 stop3h 39m

$241

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Tue 10/14

10:30 am-10:38 pm

1 stop11h 08m

Idaho Falls Fanning Field

Sat 10/25

4:15 pm-11:02 pm

1 stop7h 47m

$253

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Tue 10/14

8:10 am-9:11 pm

2 stops12h 01m

Idaho Falls Fanning Field

Sat 10/25

1:50 pm-9:40 pm

2 stops8h 50m

$312

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Fri 7/11

6:45 am-3:29 pm

1 stop7h 44m

Idaho Falls Fanning Field

Wed 7/16

6:03 pm-10:14 pm

1 stop5h 11m

$335

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Fri 8/1

6:15 am-3:22 pm

1 stop8h 07m

Idaho Falls Fanning Field

Fri 8/8

4:03 pm-8:54 pm

1 stop5h 51m

$471

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Mon 7/14

10:55 am-6:33 pm

1 stop6h 38m

$84

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Thu 9/4

3:45 pm-10:39 pm

1 stop5h 54m

$120

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Thu 9/4

9:45 am-9:23 pm

2 stops10h 38m

$126

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Sat 7/5

8:10 am-10:39 pm

2 stops13h 29m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 results
1
2

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.
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, October is the cheapest month in which you can book a flight from San Diego to Idaho Falls (average of $380). Flying from San Diego to Idaho Falls in December is currently the most expensive (average of $578). 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 SAN to IDA?

Find hourly flight availability from San Diego to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from San Diego to Idaho Falls in the morning. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight at noon.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 June 12, 2025.
To help decide which airline to fly from San Diego to Idaho Falls, see what other customers have to say about Alaska Airlines, Delta and Hawaiian Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Currently priced at $241, Delta will fly you from San Diego to Idaho Falls and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and American Airlines - these airlines can fly you to your destination from $253 and $312, respectively. Delta is currently priced 47% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $120. Users have also found prices from $126 and $164 on American Airlines and Alaska Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego to Idaho Falls 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 San Diego to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from San Diego to Idaho Falls (average of $380). Flying from San Diego to Idaho Falls in December is currently the most expensive (average of $578). 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
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$249Average$475FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$264Average$371FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$316Average$438FlexibilityNo cancel feeOn-time69%

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