SAN - IDA

$124 Find Cheap Flights from San Diego to Idaho Falls - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$211
Typical prices: $310-$502
Multiple Airlines
Mon 12/17Fri 12/21
SAN - IDA • 1 stop
Cheapest one-way
$124
Typical prices: $170-$289
Multiple Airlines
Tue 11/20
SAN - IDA • 1 stop
Nonstop flights
Not available
There are currently no direct flights between San Diego and Idaho Falls. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
September
Cheapest • 23% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Las Vegas Harry Reid Intl (LAS)
Cheapest • Avg $206 (round-trip)
Salt Lake City (SLC)
Shortest trip • 4h 33m (one-way)
Insights
Insights
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We hope you love your trip to Idaho Falls!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from San Diego to Idaho Falls (SAN-IDA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Diego to Idaho Falls

Thu, Dec 17 - Mon, Dec 21
Multiple Airlines Logo
7:56 pm - 3:32 pmSAN  San Diego-IDA Idaho Falls Fanning Field
18h 36m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
7:49 pm - 12:24 pmIDA  Idaho Falls Fanning Field-SAN San Diego
17h 35m1 stop Las Vegas Harry Reid Intl
$211Multiple Airlines
Thu, Dec 17 - Mon, Dec 21
Multiple Airlines Logo
7:56 pm - 3:32 pmSAN  San Diego-IDA Idaho Falls Fanning Field
18h 36m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
7:49 pm - 1:50 pmIDA  Idaho Falls Fanning Field-SAN San Diego
19h 01m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl
$235Multiple Airlines
Thu, Apr 15 - Sat, Apr 17
Delta Logo
1:30 pm - 6:14 pmSAN  San Diego-IDA Idaho Falls Fanning Field
3h 44m1 stop Salt Lake City
Delta Logo
6:00 am - 9:06 amIDA  Idaho Falls Fanning Field-SAN San Diego
4h 06m1 stop Salt Lake City
$321Delta
Thu, Apr 22 - Tue, Apr 27
Delta Logo
1:30 pm - 6:14 pmSAN  San Diego-IDA Idaho Falls Fanning Field
3h 44m1 stop Salt Lake City
Delta Logo
1:10 pm - 6:46 pmIDA  Idaho Falls Fanning Field-SAN San Diego
6h 36m1 stop Salt Lake City
$321Delta
Sat, Dec 12 - Mon, Dec 14
Alaska Airlines Logo
7:05 am - 1:17 pmSAN  San Diego-IDA Idaho Falls Fanning Field
5h 12m1 stop Portland
Alaska Airlines Logo
3:44 pm - 10:33 pmIDA  Idaho Falls Fanning Field-SAN San Diego
7h 49m1 stop Portland
$321Alaska Airlines
Fri, Feb 12 - Mon, Feb 15
Multiple Airlines Logo
8:10 am - 3:55 pmSAN  San Diego-IDA Idaho Falls Fanning Field
6h 45m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:51 pm - 2:38 pmIDA  Idaho Falls Fanning Field-SAN San Diego
16h 47m1 stop Las Vegas Harry Reid Intl
$326Multiple Airlines
Sun, Jan 10 - Wed, Jan 13
Alaska Airlines Logo
7:00 am - 1:19 pmSAN  San Diego-IDA Idaho Falls Fanning Field
5h 19m1 stop Portland
Alaska Airlines Logo
9:08 am - 2:51 pmIDA  Idaho Falls Fanning Field-SAN San Diego
6h 43m1 stop Seattle/Tacoma Intl
$331Alaska Airlines
Sun, Jan 10 - Wed, Jan 13
United Airlines Logo
6:45 am - 1:28 pmSAN  San Diego-IDA Idaho Falls Fanning Field
5h 43m1 stop Denver Intl
United Airlines Logo
4:08 pm - 10:31 pmIDA  Idaho Falls Fanning Field-SAN San Diego
7h 23m1 stop Denver Intl
$331United Airlines
Fri, Dec 25 - Wed, Jan 6
United Airlines Logo
8:45 am - 3:38 pmSAN  San Diego-IDA Idaho Falls Fanning Field
5h 53m1 stop Denver Intl
United Airlines Logo
2:30 pm - 8:42 pmIDA  Idaho Falls Fanning Field-SAN San Diego
7h 12m1 stop Denver Intl
$331United Airlines
Fri, Dec 25 - Tue, Jan 5
Alaska Airlines Logo
3:39 pm - 11:45 pmSAN  San Diego-IDA Idaho Falls Fanning Field
7h 06m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:56 pm - 9:44 pmIDA  Idaho Falls Fanning Field-SAN San Diego
8h 48m1 stop Seattle/Tacoma Intl
$331Alaska Airlines
Booking Insights

Price, demand and travel trends for San Diego to Idaho Falls flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from San Diego to Idaho Falls?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from San Diego to Idaho Falls. It’s 23% cheaper than the average day, while Monday is the most expensive, with prices 43% higher.

What’s the cheapest month to fly from San Diego to Idaho Falls?

•September is the cheapest month to fly from San Diego to Idaho Falls at $297 round-trip.
•February ($704) and January ($569) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 137% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for San Diego to Idaho Falls flights

Low season

January

Cheapest flight

$124
Beat the crowds with an average 57% drop in travelers.
The most popular month to fly with an average 98% increase in travelers.
One-way flight from San Diego to Idaho Falls

When to book flights from San Diego to Idaho Falls

Are your dates flexible? Find out the best times to travel from San Diego to Idaho Falls based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Diego to Idaho Falls flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from San Diego to Idaho Falls?

    Only Economy Class is available on flights from San Diego to Idaho Falls.

  • How long is a flight from San Diego to Idaho Falls?

    A nonstop flight from San Diego to Idaho Falls takes 00m, covering 795 miles.

  • Do I need a passport to fly from San Diego to Idaho Falls?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a San Diego to Idaho Falls flight?

    Round-trip flights from San Diego to Idaho Falls range from $310 to $502, with an average of $385 over the past 12 months. Anything below $310 counts as a good deal.

  • Have flight prices from San Diego to Idaho Falls changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $211 to $848. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from San Diego to Idaho Falls looking right now?

    One-way fares from San Diego to Idaho Falls are currently lower than usual. Average one-way flight prices are about $178, which is 18% below the typical average for this route.

  • What car rental options are available at Idaho Falls Fanning Field Airport (IDA)?

    Idaho Falls Fanning Field Airport (IDA) hosts 5 major car rental companies, with daily rates averaging $96 for economy cars. Top options include:

    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Budget
    • National

  • Which airports can I use when flying from San Diego to Idaho Falls?

    Flights from San Diego to Idaho Falls usually depart from San Diego (SAN) and arrive at Idaho Falls Fanning Field (IDA).

  • Which airports do connecting flights from San Diego to Idaho Falls pass through?

    One-stop flights from San Diego to Idaho Falls most commonly connect through:

    • Salt Lake City (SLC) - 41% of one-stop connections
    • Denver Intl (DEN) - 31% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 15% of one-stop connections
    • Portland (PDX) - 8% of one-stop connections

  • Can I save money by using flexible dates for flights from San Diego to Idaho Falls?

    Yes. Flexible dates can save you up to 47% on flights from San Diego to Idaho Falls. Tuesday is the cheapest departure day at $297 round-trip on average, while Monday is the most expensive at $554, a difference of $257.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from San Diego to Idaho Falls?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 33m, compared with 5h 09m via Phoenix Sky Harbor Intl (PHX) and 5h 21m via Portland (PDX).

  • What is the time difference between San Diego and Idaho Falls?

    Idaho Falls is 1 hour ahead of San Diego (Mountain Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking San Diego to Idaho Falls flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Monday. On this route, Tuesday flights average $297, about $257 less than Monday fares (46% savings) based on the last 12 months.
  • If you can choose when to travel, plan your San Diego to Idaho Falls trip for September. Fares historically average $297 round-trip in that month - typically $407 less than the most expensive month, which is February (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Idaho Falls Fanning Field Airport.

    • Tru by Hilton Idaho Falls
    • Comfort Suites Idaho Falls
    • Best Western Plus CottonTree Inn

More options for your flight from San Diego to Idaho Falls

Complete your trip to Idaho Falls with a hotel stay or car rental

Car rentals in Idaho Falls
Hotels in Idaho Falls
Vacations in Idaho Falls