Cheap Flights from San Diego to Idaho Falls

Compare San Diego to Idaho Falls flight deals

Find the cheapest month or even day of the year to fly to Idaho Falls

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

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

San Diego to Idaho Falls: Alternative routes

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

San Diego to Idaho Falls: Flight information

The things to know before you go.
Cheapest flight foundR 2,291
Cheapest month to flyOctober

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

The best price we found for a return flight from San Diego to Idaho Falls is R 5,766. 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 San Diego to Idaho Falls. But we found flights with one stop from R 5,778.
As of September 2025, there are no flights flying from San Diego to Idaho Falls.
The cheapest month to fly from San Diego to Idaho Falls is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Idaho Falls Airport on Friday, 3 October 2025.
No airlines currently offer direct flights between San Diego and Idaho Falls 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 Idaho Falls 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 Idaho Falls is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Idaho Falls is Frontier Airlines .

Flying from San Diego to Idaho Falls Regional Airport (IDA): What you need to know

  • Your adventure gets underway at one of San Diego's main airports, San Diego International Airport (SAN) or McClellan-Palomar Airport (CLD). Check out your options for booking a flight from San Diego to Idaho Falls Regional Airport (IDA) jetting off from either of these.

  • The timezone in Idaho Falls is UTC-6, which is one hour ahead of San Diego. Idaho Falls Regional Airport is located in Idaho Falls.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your flight from San Diego to IDA.

  • Travelling during a peak period like a bank holiday? Expect longer queues at security and check-in. To play it safe, arrive up to four hours before international flights and two hours before domestic departures.

Airports in San Diego

San Diego International Airport (SAN)

  • Travelling from central San Diego to SAN takes about 20 minutes by public transport. If you drive, ride-share or grab a cab, you'll cover the 5 kilometres in 10 minutes or so, depending on traffic conditions.

  • In search of a convenient hotel close to San Diego International Airport? If you're catching an early flight from San Diego to Idaho Falls Regional Airport, these accommodation options will put you just around the corner from the terminal:

  • Of the flights that depart from San Diego International Airport, 71.38% arrive as scheduled at their destination.

  • You'll find SAN at N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • You can get to CLD from the centre of San Diego in about 40 minutes by car, depending on traffic. The ride on public transport takes roughly 2 hours 15 minutes to travel the 56 kilometres or so.

  • Want to treat yourself to an extra night away before boarding your San Diego to IDA flight? Kick back in a hotel near McClellan-Palomar Airport before your break officially starts. These stays have your key waiting:

About Idaho Falls Regional Airport (IDA)

Getting from Idaho Falls Regional Airport (IDA) to central Idaho Falls

  • Idaho Falls Regional Airport to the centre of Idaho Falls is about 3 kilometres. If you're getting a cab or renting a car, plan ahead to make your trip as smooth as possible. Journey times can vary based on the time of day and traffic conditions.

  • Travelling on public transport takes about 1 hour.

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

  • Currently, R 2,296 is the best price we've found for a one-way ticket from San Diego to Idaho Falls Regional Airport. The cheapest price for a return flight is R 5,766. Keep in mind fares may change due to demand at the time of booking.

  • Booking early is often the key to scoring a cheap flight from San Diego to IDA. Fares tend to rise as seats fill up, so the closer your departure date, the more you'll likely spend.

  • The 'Whole month' tool will show you the cheapest San Diego to Idaho Falls Regional Airport tickets across every month. It's an easy way to snap up a bargain if your trip dates aren't set in stone.

  • Snapping up a cheap plane ticket from San Diego to IDA couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as there's a price drop.

  • Filters make it easier to dig up a deal for your flight from San Diego to Idaho Falls Regional Airport. Choose the airlines, flight times and stops that match your plans. Then sort the results by 'Cheapest' to bring up the lowest fares right away.

The best time to fly from San Diego to Idaho Falls Regional Airport (IDA)

  • Think about the kind of holiday you want when planning the timing of your trip. February is the quietest month to go to Idaho Falls. July is when most people book flights from San Diego to Idaho Falls Regional Airport (IDA), which may be ideal if you're after more action.

  • Book a San Diego to IDA plane ticket departing in July if you want to experience the city during its warmest month. Expect temperatures in Idaho Falls to range from 11ºC (52ºF) to 35ºC (95ºF).

  • For cooler conditions, search for a cheap ticket from San Diego to Idaho Falls Regional Airport in January when temperatures are between -15ºC (5ºF) and 1ºC (34ºF).

More about Idaho Falls

  • After booking your flight from San Diego to Idaho Falls Regional Airport, find a hotel that's got location and comfort covered. Make one of these accommodation options your base for exploring Idaho Falls:

  • Your Idaho Falls visit isn't complete without checking out the sights. Leading attractions worth exploring include Idaho Falls River Walk, Shadow's Park and Snake River Landing.

Explore more of the United States

  • You've seen Idaho Falls, now it's time to discover more of the United States. Journey about 257 kilometres south to Ogden to check off its leading sights. From Snowbasin Resort to Dinosaur Park and Museum and Mt. Ogden Park-East Field (#4080), your itinerary will be busy.

  • If you're eager to discover another major stop in the United States, head for Layton, roughly 274 kilometres south of Idaho Falls. Adams Canyon Trail, SeaQuest Utah and SeaQuest Interactive Aquarium are the start of reasons to visit.

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