Cheap flights from Idaho Falls to San Diego from $131

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to San Diego departing on 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:20 pm - 6:13 pmIDA-SAN
21h 53m2 stops
Multiple Airlines Logo
2:56 pm - 2:19 pmSAN-IDA
22h 23m1 stop
$232Multiple Airlines
Find Deal
Fri, Jan 16 - Thu, Jan 29
Multiple Airlines Logo
9:20 pm - 11:31 pmIDA-SAN
27h 11m2 stops
Multiple Airlines Logo
2:56 pm - 2:19 pmSAN-IDA
22h 23m1 stop
$237Multiple Airlines
Find Deal
Mon, Jan 19 - Thu, Jan 29
Alaska Airlines Logo
9:00 am - 3:29 pmIDA-SAN
7h 29m1 stop
Alaska Airlines Logo
9:37 am - 6:18 pmSAN-IDA
7h 41m1 stop
$248Alaska Airlines
Find Deal
Wed, Jan 21 - Wed, Jan 28
Delta Logo
6:35 pm - 11:48 pmIDA-SAN
6h 13m1 stop
Delta Logo
9:55 am - 5:51 pmSAN-IDA
6h 56m1 stop
$249Delta
Find Deal
Tue, Jan 20 - Tue, Jan 27
Alaska Airlines Logo
9:00 am - 3:29 pmIDA-SAN
7h 29m1 stop
Alaska Airlines Logo
9:37 am - 6:18 pmSAN-IDA
7h 41m1 stop
$254Alaska Airlines
Find Deal
Wed, Jan 21 - Thu, Jan 29
United Airlines Logo
5:00 am - 9:39 amIDA-SAN
5h 39m1 stop
United Airlines Logo
4:10 pm - 10:59 pmSAN-IDA
5h 49m1 stop
$255United Airlines
Find Deal
Tue, Dec 23 - Wed, Dec 24
Multiple Airlines Logo
8:16 pm - 10:46 pmIDA-SAN
27h 30m2 stops
Multiple Airlines Logo
1:06 pm - 2:20 pmSAN-IDA
24h 14m1 stop
$257Multiple Airlines
Find Deal
Mon, Dec 15 - Sun, Dec 21
Delta Logo
6:35 pm - 11:48 pmIDA-SAN
6h 13m1 stop
Delta Logo
11:00 am - 10:57 pmSAN-IDA
10h 57m2 stops
$267Delta
Find Deal
Tue, Jan 20 - Wed, Jan 28
Alaska Airlines Logo
9:00 am - 3:29 pmIDA-SAN
7h 29m1 stop
Alaska Airlines Logo
2:20 pm - 10:59 pmSAN-IDA
7h 39m1 stop
$268Alaska Airlines
Find Deal
Wed, Jan 21 - Fri, Jan 30
United Airlines Logo
4:19 pm - 8:42 pmIDA-SAN
5h 23m1 stop
United Airlines Logo
9:00 am - 3:31 pmSAN-IDA
5h 31m1 stop
$269United Airlines
Find Deal
Sun, Jan 18 - Wed, Jan 28

United Airlines flights from Idaho Falls to San Diego

Our best United Airlines deals on Idaho Falls to San Diego flight tickets
United Airlines
Jan 23
IDA4:19 pmIdaho Falls Fanning Field
5h 23m
1 stop
SAN8:42 pmSan Diego
Jan 27
SAN9:00 amSan Diego
5h 31m
1 stop
IDA3:31 pmIdaho Falls Fanning Field
United Airlines
Jan 18
IDA4:19 pmIdaho Falls Fanning Field
5h 23m
1 stop
SAN8:42 pmSan Diego
Jan 28
SAN9:00 amSan Diego
5h 31m
1 stop
IDA3:31 pmIdaho Falls Fanning Field
United Airlines
Dec 15
IDA4:19 pmIdaho Falls Fanning Field
7h 11m
1 stop
SAN10:30 pmSan Diego
Dec 21
SAN4:10 pmSan Diego
5h 49m
1 stop
IDA10:59 pmIdaho Falls Fanning Field

Alaska Airlines flights from Idaho Falls to San Diego

Our best Alaska Airlines deals on Idaho Falls to San Diego flight tickets
Alaska Airlines
Jan 21
IDA9:00 amIdaho Falls Fanning Field
7h 29m
1 stop
SAN3:29 pmSan Diego
Jan 28
SAN9:37 amSan Diego
7h 41m
1 stop
IDA6:18 pmIdaho Falls Fanning Field
Alaska Airlines
Jan 21
IDA9:00 amIdaho Falls Fanning Field
7h 29m
1 stop
SAN3:29 pmSan Diego
Jan 29
SAN9:37 amSan Diego
7h 41m
1 stop
IDA6:18 pmIdaho Falls Fanning Field
Alaska Airlines
Jan 21
IDA9:00 amIdaho Falls Fanning Field
7h 29m
1 stop
SAN3:29 pmSan Diego
Jan 30
SAN2:20 pmSan Diego
7h 39m
1 stop
IDA10:59 pmIdaho Falls Fanning Field

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 26, 2025.
Use the filters below to find and compare flights from Idaho Falls to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Fri 1/16

9:20 pm-6:13 pm

2 stops21h 53m

San Diego

Thu 1/29

2:56 pm-2:19 pm

1 stop22h 23m

$232

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Mon 1/19

9:20 pm-11:31 pm

2 stops27h 11m

San Diego

Thu 1/29

2:56 pm-2:19 pm

1 stop22h 23m

$237

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Wed 1/21

9:00 am-3:29 pm

1 stop7h 29m

San Diego

Wed 1/28

9:37 am-6:18 pm

1 stop7h 41m

$248

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Tue 1/20

6:35 pm-11:48 pm

1 stop6h 13m

San Diego

Tue 1/27

9:55 am-5:51 pm

1 stop6h 56m

$249

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Wed 1/21

9:00 am-3:29 pm

1 stop7h 29m

San Diego

Thu 1/29

9:37 am-6:18 pm

1 stop7h 41m

$254

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Tue 12/23

5:00 am-9:39 am

1 stop5h 39m

San Diego

Wed 12/24

4:10 pm-10:59 pm

1 stop5h 49m

$255

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Mon 12/15

8:16 pm-10:46 pm

2 stops27h 30m

San Diego

Sun 12/21

1:06 pm-2:20 pm

1 stop24h 14m

$257

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Tue 1/20

6:35 pm-11:48 pm

1 stop6h 13m

San Diego

Wed 1/28

11:00 am-10:57 pm

2 stops10h 57m

$267

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Wed 1/21

9:00 am-3:29 pm

1 stop7h 29m

San Diego

Fri 1/30

2:20 pm-10:59 pm

1 stop7h 39m

$268

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Sun 1/18

4:19 pm-8:42 pm

1 stop5h 23m

San Diego

Wed 1/28

9:00 am-3:31 pm

1 stop5h 31m

$269

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

How to get the cheapest flight ticket from Idaho Falls to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Idaho Falls and San Diego?

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of June, then departing from Idaho Falls during the month September is also very affordable. Most momondo users find prices during this month for around $263.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Idaho Falls to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $353. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $502. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $360. Flights at noon are often more expensive with an average ticket price of $485.

How have Idaho Falls to San Diego flight prices changed over time?

When to book flights from Idaho Falls to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to San Diego (IDA to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to San Diego

Fastest flight time

5h 15m

Direct flights

None
The fastest flight from Idaho Falls to San Diego takes 5h 15m
There are no direct flights from Idaho Falls to San Diego. There are no popular flight routes from Idaho Falls to San Diego.
  • How far is Idaho Falls Fanning Field to San Diego by plane?

    A flight from Idaho Falls Fanning Field to San Diego will travel around 792.4 mi. 4h 24m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to San Diego Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to San Diego Airport are updated daily.

  • How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to San Diego Airport?

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The necessary travel and health documents for your San Diego Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Idaho Falls to San Diego?

Best airlines flying from Idaho Falls to San Diego

Compare and see reviews for airlines that fly from Idaho Falls to San Diego with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $184Free CancellationRating
7.9
7,998 reviews
Search Delta flights
United AirlinesPriceFrom $237Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $261Free CancellationRating
8.0
11,354 reviews
Search Alaska Airlines flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
National City
Imperial Beach
La Mesa
Poway
Borrego Springs
San Ysidro
Lemon Grove
Alpine
Santee

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to San Diego?

It is quick and easy to find Idaho Falls to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

Can I find flights from Idaho Falls to San Diego with flexible booking policies on momondo?

Flights from Idaho Falls to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Idaho Falls to San Diego?

momondo helps you find the best flight between Idaho Falls and San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Idaho Falls to San Diego right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Idaho Falls to San Diego now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Diego and let you know when they change.

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Fri 12/26
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