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173 € Cheap Flights from San Diego International to Idaho Falls

Compare San Diego International to Idaho Falls flight deals

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

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Flight deals from San Diego International to Idaho Falls

Looking for a cheap last-minute deal or the best return flight from San Diego International Airport to Idaho Falls Airport? If you want to travel next month, return fares start from 231 €. Find the lowest prices on one-way and return tickets right here.
Idaho Falls.173 € per passenger.Departing Thu, 21 May, returning Mon, 25 May.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Thu, 21 May, arriving in Idaho Falls.Inbound indirect flight with Allegiant Air, departs from Idaho Falls on Mon, 25 May, arriving in San Diego International.Price includes taxes and charges.From 173 €, select.
Idaho Falls.222 € per passenger.Departing Sat, 30 May, returning Fri, 5 Jun.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Sat, 30 May, arriving in Idaho Falls.Inbound indirect flight with Allegiant Air, departs from Idaho Falls on Fri, 5 Jun, arriving in San Diego International.Price includes taxes and charges.From 222 €, select.
Idaho Falls.230 € per passenger.Departing Thu, 2 Jul, returning Mon, 6 Jul.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Thu, 2 Jul, arriving in Idaho Falls.Inbound indirect flight with Allegiant Air, departs from Idaho Falls on Mon, 6 Jul, arriving in San Diego International.Price includes taxes and charges.From 230 €, select.
Idaho Falls.231 € per passenger.Departing Wed, 10 Jun, returning Sun, 14 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Wed, 10 Jun, arriving in Idaho Falls.Inbound indirect flight with Delta, departs from Idaho Falls on Sun, 14 Jun, arriving in San Diego International.Price includes taxes and charges.From 231 €, select.
Idaho Falls.260 € per passenger.Departing Wed, 6 Jan, returning Fri, 15 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Wed, 6 Jan, arriving in Idaho Falls.Inbound indirect flight with Delta, departs from Idaho Falls on Fri, 15 Jan, arriving in San Diego International.Price includes taxes and charges.From 260 €, select.
Idaho Falls.261 € per passenger.Departing Mon, 29 Jun, returning Mon, 3 Aug.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Mon, 29 Jun, arriving in Idaho Falls.Inbound indirect flight with Allegiant Air, departs from Idaho Falls on Mon, 3 Aug, arriving in San Diego International.Price includes taxes and charges.From 261 €, select.
Idaho Falls.340 € per passenger.Departing Thu, 30 Jul, returning Tue, 4 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from San Diego International on Thu, 30 Jul, arriving in Idaho Falls.Inbound indirect flight with Delta, departs from Idaho Falls on Tue, 4 Aug, arriving in San Diego International.Price includes taxes and charges.From 340 €, select.
Idaho Falls.570 € per passenger.Departing Tue, 30 Jun, returning Mon, 28 Sep.Return flight with United.Outbound indirect flight with United, departs from San Diego International on Tue, 30 Jun, arriving in Idaho Falls.Inbound indirect flight with United, departs from Idaho Falls on Mon, 28 Sep, arriving in San Diego International.Price includes taxes and charges.From 570 €, select.

Find the cheapest month to fly from San Diego International 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 International to Idaho Falls flights are currently cheapest in May.
May
from 173 €
Jun
from 231 €
Jul
from 230 €
Aug
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Sep
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Oct
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Nov
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Dec
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Jan
from 260 €
Feb
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Mar
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Apr
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San Diego International to Idaho Falls: Alternative routes

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

Idaho Falls

4km from central Idaho Falls
ClosestCheapest
from 173 €
Search flights

Pocatello

79km from central Idaho Falls
from 356 €
Search flights

San Diego to Idaho Falls: Flight information

The things to know before you go.
Cheapest flight found173 €
Cheapest month to flyMay

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

The best price we found for a return flight from San Diego International to Idaho Falls is 173 €. 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 International to Idaho Falls. But we found flights with one or more stops from 173 €.
As of May 2026, there are no flights flying from San Diego International to Idaho Falls.
The cheapest month to fly from San Diego International to Idaho Falls is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Idaho Falls Airport on Thursday, 21 May 2026.
No airlines currently offer direct flights between San Diego International Airport 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.
Currently, Frontier Airlines offers the cheapest flight tickets to Idaho Falls.

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

  • Give yourself plenty of time to catch your SAN to IDA flight. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.

  • You can expect longer lines during popular months such as July. Arriving up to four hours in advance for international flights and two hours for domestic departures is a wise move.

  • Think about adding a stopover when booking your ticket from San Diego International Airport to Idaho Falls Regional Airport. Just uncheck 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Check out these options between SAN and IDA:

    • Salt Lake City International Airport

    • Harry Reid Airport (formerly McCarran Airport)

    • Metropolitan Oakland International Airport

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

  • The lowest price we've found for a one-way San Diego International Airport to Idaho Falls Regional Airport flight is 99 €. A round-trip plane ticket is currently 173 €. Depending on the availability and when you book, these fares may change.

  • It's often best to book ahead of time if you want to get cheap tickets from SAN to IDA. That's because flight prices are based on demand, which tends to increase closer to departure.

  • If you're willing to be flexible with your travel plans, use the 'Whole month' search function. It'll show you the lowest price across each month when searching for your flight from San Diego International Airport to Idaho Falls Regional Airport.

  • Save time looking for cheap flights from SAN to IDA by setting up a Price Alert. You'll get an email or notification on the app when a new low fare is offered.

  • Select your preferred departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from San Diego International Airport to Idaho Falls Regional Airport.

Handy information about San Diego International Airport (SAN)

  • SAN is located at Airport Drive.

  • When it comes to the on-time performance of San Diego International Airport, data shows 71.38% of flights stick to their scheduled arrival time.

  • San Diego International Airport is about 5 kilometres from central San Diego. If you're driving, catching a cab or ride-sharing from the centre, it'll take 10 minutes or so to arrive, depending on the traffic.

  • Catching public transport? You can expect a journey time of around 20 minutes.

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

Arriving at Idaho Falls Regional Airport (IDA)

  • Consider staying in a hotel close to IDA if you have a late San Diego International Airport to Idaho Falls Regional Airport flight. Choose one of these options and make your arrival easier:

  • Fast-track your adventure by picking up an Idaho Falls Regional Airport rental car. Grab your wheels from Budget, Avis or Alamo to explore Idaho Falls and beyond.

  • To get the lowest possible price, book your ride from Idaho Falls Regional Airport at least a couple of weeks in advance. Prices typically go up as your departure date approaches.

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

  • You'll find IDA at 2140 North Skyline.

  • Idaho Falls Regional Airport is roughly 5 kilometres from central Idaho Falls. The drive time takes about 10 minutes.

  • Getting there on public transport typically takes 1 hour.

When to fly to Idaho Falls Regional Airport (IDA)

  • The quietest month for a flight from San Diego International Airport to Idaho Falls Regional Airport is February, while July is the busiest. Choose the ideal time to visit Idaho Falls based on whether you prefer a faster pace or a more relaxed vibe.

  • The warmest month in Idaho Falls is July, with temperatures ranging between 11ºC (52ºF) and 35ºC (95ºF). Lock in your flights from San Diego International Airport to Idaho Falls Regional Airport in this month if this is the type of weather you like.

  • January has average temperatures of between -15ºC (5ºF) and 1ºC (34ºF). Look for cheap tickets from SAN to IDA sometime then if you like cooler conditions.

Explore more of United States

  • Salt Lake City is just one of the many cities in United States waiting to be explored once you've seen the sights of Idaho Falls. Around 306 kilometres away to the south, popular attractions include Temple Square, Utah State Capitol and Red Butte Garden.

  • If there's time to check out another side of United States, head for Boise, roughly 338 kilometres west of Idaho Falls. Idaho State Capitol Building, Old Idaho Penitentiary and Zoo Boise are highlights.

Plan the rest of your trip from San Diego to Idaho Falls

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