HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$112+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — IDA
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Idaho Falls 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 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 April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$244
(Alaska Airlines)

One-way from

$112
(eDestinos)

Popular in

August

Cheapest in

February

Average price

$360
Provider with most accurate pricing for San Diego-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Idaho Falls Fanning Field flights.
Search Deals
From San Diego to Idaho Falls Fanning Field
Search Deals
One-way flight from San Diego to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 17, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 5/1411:54 amSAN - IDA
1 stop9h 42mAlaska Airlines
Wed 5/214:20 pmIDA - SAN
1 stop6h 25mAlaska Airlines
Deal found 4/16$244
This Delta deal was found by Cheapflights users on 4/16. 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 5/175:02 pmSAN - IDA
1 stop4h 53mDelta
Tue 5/2012:30 pmIDA - SAN
1 stop4h 55mDelta
Deal found 4/16$245
This United Airlines deal was found by Cheapflights users on 4/16. 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 5/77:10 amSAN - IDA
1 stop7h 15mUnited Airlines
Sat 5/105:00 amIDA - SAN
2 stops10h 54mUnited Airlines
Deal found 4/16$250
This American Airlines deal was found by Cheapflights users on 4/15. 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.
Thu 5/1510:00 amSAN - IDA
2 stops10h 17mAmerican Airlines
Sun 5/251:02 pmIDA - SAN
2 stops9h 34mAmerican Airlines
Deal found 4/15$367

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 April 17, 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

Wed 5/14

3:45 pm-10:36 pm

1 stop5h 51m

Idaho Falls Fanning Field

Wed 5/21

4:20 pm-9:45 pm

1 stop6h 25m

$244

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Sat 5/17

5:02 pm-10:55 pm

1 stop4h 53m

Idaho Falls Fanning Field

Wed 5/21

6:50 pm-11:53 pm

1 stop6h 03m

$245

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Wed 5/7

7:10 am-3:25 pm

1 stop7h 15m

Idaho Falls Fanning Field

Sat 5/10

5:00 am-2:54 pm

2 stops10h 54m

$250

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Tue 5/20

7:15 am-3:40 pm

1 stop7h 25m

Idaho Falls Fanning Field

Sun 5/25

4:20 pm-10:44 pm

1 stop7h 24m

$254

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Thu 5/15

10:00 am-9:17 pm

2 stops10h 17m

Idaho Falls Fanning Field

Sun 5/25

1:02 pm-9:36 pm

2 stops9h 34m

$367

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Fri 4/25

6:25 am-2:42 pm

1 stop7h 17m

$112

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Sat 5/10

5:02 pm-10:55 pm

1 stop4h 53m

$123

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Fri 5/9

1:43 pm-10:36 pm

1 stop7h 53m

$132

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Sat 5/10

6:33 am-3:58 pm

2 stops8h 25m

$176

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Mon 5/5

10:00 am-9:17 pm

2 stops10h 17m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 11 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 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 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 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.
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 July is currently the most expensive (average of $628). 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 April 17, 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 April 17, 2025.
Alaska Airlines
8.0
Very good
9,882 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,382 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $244, Alaska Airlines will fly you from San Diego to Idaho Falls and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $245 and $250, respectively. Alaska Airlines is currently priced 43% 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 Delta. According to our data, you can fly for as low as $123. Users have also found prices from $132 and $176 on Hawaiian 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 July is currently the most expensive (average of $628). 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
Rexburg

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 for San Diego to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Boise flights
San Francisco to Boise flights
Santa Ana to Boise flights
Los Angeles to Spokane flights
Ontario to Boise flights
Burbank to Boise flights
San Diego to Boise flights
San Francisco to Spokane flights
Sacramento to Boise flights
Los Angeles to Jackson flights
San Diego to Spokane flights
Ontario to Spokane flights
San Francisco to Jackson flights
San Jose to Spokane flights
San Diego to Jackson flights
San Jose to Boise flights
Oakland to Boise flights
Las Vegas to Boise flights
Sacramento to Spokane flights
San Francisco to Hailey flights
Las Vegas to Spokane flights
Fresno to Spokane flights
Ontario to Jackson flights
Santa Ana to Jackson flights
Burbank to Spokane flights
Los Angeles to Hailey flights
Oakland to Spokane flights
Long Beach to Boise flights
Santa Ana to Spokane flights
Fresno to Boise flights
Reno to Spokane flights
Ontario to Idaho Falls flights
Palm Springs to Boise flights
San Francisco to Idaho Falls flights
Burbank to Jackson flights
Las Vegas to Idaho Falls flights
San Francisco to West Yellowstone flights
Santa Rosa to Boise flights
Medford to Boise flights
Reno to Boise flights
San Jose to Jackson flights
Los Angeles to Idaho Falls flights
Sacramento to Jackson flights
Palm Springs to Spokane flights
Las Vegas to Jackson flights
Medford to Jackson flights
San Diego to West Yellowstone flights
Los Angeles to West Yellowstone flights
Fresno to Jackson flights
Oakland to Jackson flights

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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$261Average$499FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$264Average$371FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$316Average$398FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.