202 € Cheap Flights from Idaho Falls to San Diego

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Flight deals from Idaho Falls to San Diego

Looking for a cheap last-minute deal or the best return flight from Idaho Falls Airport to San Diego? If you want to travel next month, return fares start from 220 €. Find the lowest prices on one-way and return tickets right here.

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

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 flights are currently cheapest in July.

Alternative Idaho Falls to San Diego routes

Looking for the cheapest, fastest or easiest route from Idaho Falls to San Diego? You could fly into the following airports instead.

Idaho Falls to San Diego: Flight information

The things to know before you go.
Cheapest flight found202 €
Cheapest month to flyJune

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

There are 2 airports in San Diego: San Diego International and McClellan-Palomar.
The best price we found for a return flight from Idaho Falls to San Diego is 202 €. 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. But we found flights with one or more stops from 202 €.
As of June 2026, there are no flights flying from Idaho Falls to San Diego.
The cheapest month to fly from Idaho Falls to San Diego is usually June.
If you're flying from Idaho Falls Airport, the cheapest airport near San Diego is San Diego International – which is 4.1 km away from the centre of San Diego. We've found flights into this airport from 202 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Idaho Falls Airport to San Diego on Monday, 29 June 2026.
No airlines currently offer direct flights between Idaho Falls Airport and San Diego. 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 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.
In June, the average temperature is usually around 19°C. August is typically the warmest month in San Diego, when it usually averages around 28°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 10°C. The rainiest month is February.
Currently, Allegiant Air offers the cheapest flight tickets to San Diego.

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

  • The timezone in San Diego is UTC-8. The city is one hour behind Idaho Falls, where Idaho Falls Regional Airport is located.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. That way, you won't have to rush to catch your IDA to San Diego flight.

  • Travelling during a peak month like July? Public holidays and other high seasons can lead to longer lines at check-in and security. Play things extra safe and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • The journey from central Idaho Falls to IDA takes around 30 minutes by public transport. If you drive, ride-share or take a taxi, you'll cover the 3 kilometres in 10 minutes or so, depending on traffic conditions.

  • Planning to catch an early flight from Idaho Falls Regional Airport to San Diego? Avoid the stress of rushing to the terminal (and get some extra shut-eye) by choosing one of these stays close to IDA:

  • 81% of flights leaving Idaho Falls Regional Airport arrive at their destination as planned. With its strong on-time performance, you're unlikely to experience delays when taking off from IDA.

  • IDA is located at 2140 North Skyline.

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

  • The lowest price we've found for a one-way Idaho Falls Regional Airport to San Diego flight is 112 €. The cheapest price for a return flight is 202 €. Remember fares can change due to demand at the time of booking.

  • Booking ahead of time is often the key to securing a cheap flight from IDA to San Diego. Fares tend to rise as seats fill up, so the closer you get to departure, the more it could cost you.

  • If you have flexibility with your travel dates, take advantage of the 'Whole month' search tool. It'll show you the cheapest price across every month when looking for your Idaho Falls Regional Airport to San Diego ticket.

  • Never miss a deal on cheap flights from IDA to San Diego by setting up a Price Alert. You'll get an email or notification through the app when fares go down.

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

Airports in San Diego

San Diego International Airport (SAN)

  • San Diego International Airport (SAN) is around 5 kilometres from central San Diego. If you're opting for a ride-share or a taxi, the drive takes about 15 minutes.

  • Getting there on public transport typically takes 25 minutes.

  • The last thing you want is a long journey to your hotel if you're landing late on a flight from Idaho Falls Regional Airport to San Diego. Book one of these accommodation options near SAN instead:

  • To secure the lowest price, book your vehicle from San Diego International Airport about two weeks in advance of your flight from IDA to San Diego.

  • The street address for SAN is N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • McClellan-Palomar Airport (CLD) is around 48 kilometres from central San Diego. Explore your options for heading into town after your flight from Idaho Falls Regional Airport to San Diego has arrived.

  • There are some great places ready to welcome you near CLD. Kick back and get cosy after your IDA to San Diego flight at any of these perfectly located options:

  • Usually, the earlier you book, the better the prices and selection of vehicles. Secure your ride from CLD once you know your travel dates.

Best time to go to San Diego

  • December is the quietest month for flights from Idaho Falls Regional Airport to San Diego, while July is the busiest. Choose the best time to go to San Diego based on whether you like a lively atmosphere or a more laid-back vibe.

  • Before locking in your Idaho Falls Regional Airport to San Diego plane ticket, think about what kind of weather you prefer. August is the warmest month in San Diego, with temperatures ranging from 16ºC (61ºF) to 27ºC (81ºF).

  • For cooler conditions, look for a cheap ticket from IDA to San Diego in February when temperatures average between 8ºC (46ºF) and 22ºC (72ºF).

More about San Diego

  • When it comes to searching for somewhere to lay your head, you'll find the best places to stay in San Diego right here. Browse these options after locking in your flight from Idaho Falls Regional Airport to San Diego:

  • San Diego Balboa Park and San Diego Zoo are just two of the leading attractions to add to your San Diego itinerary. Keep the momentum going by heading to USS Midway Museum.

Explore more of the United States

  • San Diego is easy to fall in love with, but there are so many other corners of the United States you'll want to see. About 177 kilometres northwest of San Diego, a visit to Los Angeles will keep your itinerary busy. Start with popular sights like Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

  • Around 483 kilometres east of San Diego, Phoenix is another favourite stop in the United States. Get a taste of what this destination has to offer at Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum.

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