SAN - IDA

$89 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
$248
Typical prices: $310-$498
Alaska Airlines
Wed 10/24Sun 10/28
SAN - IDA • 1 stop
Cheapest one-way
$89
Typical prices: $169-$315
Multiple Airlines
Sun 12/2
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 • 22% 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 31m (one-way)
Insights
Insights
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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, Oct 29 - Mon, Nov 2
Multiple Airlines Logo
8:32 pm - 1:34 pmSAN  San Diego-IDA Idaho Falls Fanning Field
16h 02m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:30 pm - 10:11 amIDA  Idaho Falls Fanning Field-SAN San Diego
16h 41m1 stop Phoenix-Mesa Gateway
$197Multiple Airlines
Wed, Oct 28 - Mon, Nov 2
Multiple Airlines Logo
7:33 pm - 9:12 amSAN  San Diego-IDA Idaho Falls Fanning Field
12h 39m1 stop Phoenix Sky Harbor Intl
Multiple Airlines Logo
6:30 pm - 10:11 amIDA  Idaho Falls Fanning Field-SAN San Diego
16h 41m1 stop Phoenix-Mesa Gateway
$206Multiple Airlines
Thu, Oct 29 - Mon, Nov 2
Multiple Airlines Logo
8:32 pm - 1:34 pmSAN  San Diego-IDA Idaho Falls Fanning Field
16h 02m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
7:30 pm - 6:38 pmIDA  Idaho Falls Fanning Field-SAN San Diego
24h 08m2 stops Las Vegas Harry Reid Intl San Francisco
$229Multiple Airlines
Sat, Oct 24 - Sat, Oct 31
Alaska Airlines Logo
6:15 am - 3:20 pmSAN  San Diego-IDA Idaho Falls Fanning Field
8h 05m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:58 pm - 7:43 pmIDA  Idaho Falls Fanning Field-SAN San Diego
6h 45m1 stop Seattle/Tacoma Intl
$248Alaska Airlines
Sat, Oct 24 - Wed, Oct 28
Alaska Airlines Logo
6:15 am - 3:20 pmSAN  San Diego-IDA Idaho Falls Fanning Field
8h 05m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:58 pm - 7:43 pmIDA  Idaho Falls Fanning Field-SAN San Diego
6h 45m1 stop Seattle/Tacoma Intl
$248Alaska Airlines
Sat, Oct 24 - Tue, Oct 27
United Airlines Logo
7:00 am - 3:24 pmSAN  San Diego-IDA Idaho Falls Fanning Field
7h 24m1 stop Denver Intl
United Airlines Logo
4:30 pm - 8:36 pmIDA  Idaho Falls Fanning Field-SAN San Diego
5h 06m1 stop Denver Intl
$261United Airlines
Tue, Oct 27 - Wed, Nov 4
Alaska Airlines Logo
2:59 pm - 10:59 pmSAN  San Diego-IDA Idaho Falls Fanning Field
7h 00m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:55 pm - 8:27 pmIDA  Idaho Falls Fanning Field-SAN San Diego
5h 32m1 stop Portland
$261Alaska Airlines
Sat, Nov 7 - Tue, Nov 10
Delta Logo
5:06 pm - 10:10 pmSAN  San Diego-IDA Idaho Falls Fanning Field
4h 04m1 stop Salt Lake City
Delta Logo
6:57 pm - 11:53 pmIDA  Idaho Falls Fanning Field-SAN San Diego
5h 56m1 stop Salt Lake City
$271Delta
Sat, Nov 7 - Tue, Nov 10
Delta Logo
5:06 pm - 10:10 pmSAN  San Diego-IDA Idaho Falls Fanning Field
4h 04m1 stop Salt Lake City
Delta Logo
6:00 am - 2:50 pmIDA  Idaho Falls Fanning Field-SAN San Diego
9h 50m2 stops Salt Lake City Seattle/Tacoma Intl
$276Delta
Wed, Nov 18 - Sun, Nov 22
United Airlines Logo
6:45 am - 1:28 pmSAN  San Diego-IDA Idaho Falls Fanning Field
5h 43m1 stop Denver Intl
United Airlines Logo
2:35 pm - 8:36 pmIDA  Idaho Falls Fanning Field-SAN San Diego
7h 01m1 stop Denver Intl
$311United 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 from San Diego to Idaho Falls with more confidence.

How much is a round-trip flight from San Diego to Idaho Falls?

Round-trip flights from San Diego to Idaho Falls start at $248. Prices are below average for this route right now, with typical round-trip fares ranging from $310 to $498. The lowest price found in the past 5 days was $248 on Alaska Airlines.

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

Tuesday is the cheapest day of the week to fly from San Diego to Idaho Falls, it is 15% cheaper than the average day. Sunday is the most expensive day with flight prices 22% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is 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 October ($648) 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

$89
Best time to beat the crowds but there is an average 50% increase in price.
Most popular time to fly with an average 1% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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.

  • 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) - 45% of one-stop connections
    • Denver Intl (DEN) - 26% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 16% of one-stop connections
    • Portland (PDX) - 8% of one-stop connections

    Salt Lake City (SLC) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 31% on the San Diego to Idaho Falls route. Tuesday is the cheapest departure day at $323 round-trip on average, while Sunday is the most expensive at $466, a difference of $143. 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 long is a flight from San Diego to Idaho Falls?

    A nonstop flight from San Diego to Idaho Falls takes 0h 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.

  • 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 $248 to $880. 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 $137, which is 42% below the typical average for this route.

  • 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 31m, compared with 5h 09m via Phoenix Sky Harbor Intl (PHX) and 5h 19m 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.

  • 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 starting from around $34 for economy cars. Top options include:
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Budget
    • National

  • 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 $498, with an average of $380 over the past 12 months. Anything below $310 counts as a good deal.

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 can be flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average $323 - about $143 less than Sunday (31% 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
    - Quality Inn Idaho Falls
    - Hilton Garden Inn Idaho Falls

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