Cheap Flights from Idaho Falls to San Diego International

Compare Idaho Falls to San Diego International flight deals

Find the cheapest month or even day of the year to fly to San Diego International

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Flight deals from Idaho Falls to San Diego International

Looking for a cheap last-minute deal or the best return flight from Idaho Falls to San Diego International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Idaho Falls to San Diego International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Idaho Falls to San Diego International flights are currently cheapest in October.

Idaho Falls to San Diego International: Alternative routes

Compare routes from Idaho Falls to San Diego below. You may find an airport to fly into that's cheaper, faster, or easier than San Diego International.

Idaho Falls to San Diego: Flight information

The things to know before you go.
Cheapest flight foundR 2,023
Cheapest month to flyOctober

Finding cheap flights from Idaho Falls to San Diego International: Frequently asked questions

The best price we found for a return flight from Idaho Falls to San Diego International is R 3,890. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Idaho Falls to San Diego International. But we found flights with one or more stops from R 3,890.
As of September 2025, there are no flights flying from Idaho Falls to San Diego International.
The cheapest month to fly from Idaho Falls to San Diego International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Idaho Falls Airport to San Diego International Airport on Monday, 13 October 2025.
No airlines currently offer direct flights between Idaho Falls Airport and San Diego International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Diego International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Diego is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Allegiant Air offers the cheapest flight tickets to San Diego International.

Travelling from Idaho Falls Regional Airport (IDA) to San Diego International Airport (SAN): what you need to know

  • San Diego is one hour behind Idaho Falls and observes the UTC-7 timezone.

  • To ensure you get on your IDA to SAN flight, allow plenty of time for things like check-in and baggage drop. Turning up two hours before international departures and an hour before domestic flights is the standard rule.

  • Travelling during a peak time like July? School holidays and other popular seasons can result in longer lines and delays at airport checkpoints. Be extra cautious and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • If you'd like to add a stop to your trip, just deselect 'Direct flights only' when searching for your ticket from Idaho Falls Regional Airport to San Diego International Airport. These are the top stopovers between IDA and SAN:

    • Salt Lake City International Airport

    • Phoenix Sky Harbour International Airport

    • Denver International Airport

How to find the cheapest flights from Idaho Falls Regional Airport (IDA) to San Diego International Airport (SAN)

  • The cheapest price we've seen for a one-way Idaho Falls Regional Airport to San Diego International Airport flight is R 2,023. A return fare is currently R 3,890. Depending on the availability and when you book, these fares could change.

  • Don't wait until the last minute. You're more likely to find cheap tickets from IDA to SAN if you book in advance. Airlines often offer some terrific early bird rates.

  • Getting cheap flights from Idaho Falls Regional Airport to San Diego International Airport is easy if you're flexible with your travel plans. Use the 'Whole month' search tool to see the lowest fares across each month and snap up a great deal.

  • You won't have to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll let you know the moment there's a change in price on cheap flights from IDA to SAN.

  • Tailor your flights using filters. Select your ideal arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Idaho Falls Regional Airport to San Diego International Airport.

Handy information about Idaho Falls Regional Airport (IDA)

  • IDA is located at 2140 North Skyline.

  • Idaho Falls Regional Airport scores high marks for on-time performance. 80.03% of flights that depart IDA land on time.

  • Central Idaho Falls to Idaho Falls Regional Airport is approximately 5 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Expect a journey time of around 1 hour when using public transport.

  • Get your holiday off to a relaxed start by staying near IDA. Whether you're taking an early flight from Idaho Falls Regional Airport to San Diego International Airport or just don't want to be rushed, these hotels are ideal:

Arriving at San Diego International Airport (SAN)

  • If you're landing on a late Idaho Falls Regional Airport to San Diego International Airport flight, nothing tops the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and relaxing shortly after at one of these hotels near SAN:

  • Get your adventure underway by picking up a San Diego International Airport rental car. Grab a set of wheels from Thrifty, Dollar or Budget and explore beyond San Diego's main sights.

  • Reserving your ride from San Diego International Airport around two weeks ahead boosts your odds of scoring a great price.

Getting from San Diego International Airport (SAN) to central San Diego

  • The street address for SAN is Airport Drive.

  • San Diego International Airport to central San Diego has a drive time of around 10 minutes. It's approximately 5 kilometres away.

  • Getting there by public transport typically takes 20 minutes.

When to fly to San Diego International Airport (SAN)

  • July is the busiest month for flights from Idaho Falls Regional Airport to San Diego International Airport. To avoid the crowds, travel to San Diego in May.

  • Lock in your flight from Idaho Falls Regional Airport to San Diego International Airport for August if you'd like to explore San Diego during its warmest month. Expect temperatures of between 17ºC (63ºF) and 28ºC (82ºF).

  • February has average temperatures of between 7ºC (45ºF) and 23ºC (73ºF). Search for cheap tickets from IDA to SAN around that time if you like travelling in cooler conditions.

Explore more of United States

  • San Diego has plenty going for it, but there are so many other parts of United States waiting to be explored. About 177 kilometres north-west of San Diego, a visit to Los Angeles will keep your itinerary packed. Start with attractions like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • Around 483 kilometres east of San Diego, Phoenix is another favourite stop in United States. No visit is complete without checking out Desert Botanical Garden, Heard Museum and Papago Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.