Cheap Flights from Idaho Falls to San Diego

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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 December.

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 foundRs34,373
Cheapest month to flyDecember

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 Rs57,978. 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 Rs57,978.
As of June 2025, 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 2025.
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 Rs57,978.
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 Friday, 15 August 2025.
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.

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

  • San Diego is one hour behind Idaho Falls, where Idaho Falls Regional Airport is located. San Diego follows the UTC-7 timezone.

  • To avoid rushing for your IDA to San Diego flight, allow plenty of time for things like baggage drop and finding your gate. Arriving two hours before international departures and one hour before domestic flights is the general rule.

  • Longer lines at security and check-in are likely if you're flying during high season, so give yourself some extra breathing space. A good general rule for peak times? Get there up to four hours ahead for international flights and two hours for domestic departures.

  • Located around 3 kilometres from central Idaho Falls, IDA can be reached in about 10 minutes by car, depending on traffic. Travelling on public transport will take roughly 1 hour.

  • Want a stress-free start to your travels? Stay near IDA. Whether you're catching an early flight from Idaho Falls Regional Airport to San Diego or just don't like being rushed, these hotels are just the thing:

  • Idaho Falls Regional Airport gets top marks for on-time performance. 80.03% of flights that depart IDA arrive at their destination as scheduled.

  • You'll find IDA at 2140 North Skyline.

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

  • The best price we've seen for a one-way Idaho Falls Regional Airport to San Diego flight is Rs34,373. The cheapest price for a return flight is Rs57,978. Bear in mind fares may change due to demand at the time of booking.

  • Booking early is often the key to securing a cheap flight from IDA to San Diego. Flight prices rise as demand increases, so the closer your departure date, the more you'll likely pay.

  • The 'Whole month' tool will show you the cheapest tickets from Idaho Falls Regional Airport to San Diego across the month. It's an easy way to find a bargain if your travel dates are flexible.

  • Picking up a cheap flight from IDA to San Diego is a breeze with Price Alerts. Simply set up one of these automatic notifications and we'll let you know as soon as the price has dropped.

  • Tailor your flights with filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' 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 cab, the drive takes roughly 10 minutes.

  • It takes around 20 minutes if you're using public transport.

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

  • Say yes to new adventures by picking up a San Diego International Airport rental car. Grab your 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 in advance of your flight from IDA to San Diego can help you lock in the best possible rate.

  • The street address for SAN is N Harbour Dr.

McClellan-Palomar Airport (CLD)

  • McClellan-Palomar Airport (CLD) is around 56 kilometres from the centre of San Diego. Once you've disembarked your flight from Idaho Falls Regional Airport to San Diego, it'll take you around 40 minutes to reach the heart of the city in a ride-share or cab.

  • You can expect the trip to take about 2 hours 15 minutes on public transport.

  • You'll find some comfortable places to park your luggage (and yourself) near CLD. Tuck yourself in and get cosy after your IDA to San Diego flight at any of these perfectly located options:

  • Budget, Hertz and Avis make picking up a McClellan-Palomar Airport rental car simple. These companies are located in or around the terminal and will get you on your way in no time.

  • Avoid the slow-moving lines and paperwork at the rental desk by completing your booking beforehand. Secure your ride from CLD ahead of time so you can simply grab the keys and get going.

Best time to go to San Diego

  • Travel to San Diego during high season if you like a lively atmosphere, but remember that prices are typically higher. Alternatively, book your flights from Idaho Falls Regional Airport to San Diego in the low season when prices are cheaper and it's quieter.

  • The warmest month in San Diego is August, with temperatures ranging between 17ºC and 28ºC. Lock in your Idaho Falls Regional Airport to San Diego flight ticket then if that's your definition of good weather.

  • If you want to travel in cooler conditions, search for a cheap ticket from IDA to San Diego in February when temperatures average between 7ºC and 23ºC.

More about San Diego

  • When it comes to searching for somewhere to rest your head, you'll find the best places to stay in San Diego right here. Check out these hotels after you've booked your flight from Idaho Falls Regional Airport to San Diego:

  • USS Midway Museum and San Diego Zoo are just the start of the major attractions to add to your San Diego itinerary. Keep the sightseeing going at SeaWorld San Diego.

Explore more of United States

  • You've visited San Diego, now it's time to explore other corners of United States. Travel around 177 kilometres north-west to Los Angeles to tick off its top sights. From Griffith Observatory to The Broad and La Brea Tar Pits & Museum, you've got a jam-packed schedule ahead.

  • Phoenix is another well-known destination in United States and is around 483 kilometres east of San Diego. No journey is complete without experiencing Desert Botanical Garden, Heard Museum and Papago Park.

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