Cheap flights from Idaho Falls to San Diego from $120

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 11/20. 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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Find the cheapest flights from Idaho Falls to San Diego

Cheap round-trip flights

 Logo
10:55 pm - 7:29 amIDA-SAN
9h 34m1 stop
 Logo
7:47 pm - 4:05 pmSAN-IDA
19h 18m1 stop
Fri, Sep 19 - Thu, Sep 25
 Logo
9:39 pm - 12:31 pmIDA-SAN
15h 52m1 stop
 Logo
7:47 pm - 4:05 pmSAN-IDA
19h 18m1 stop
Mon, Sep 22 - Thu, Sep 25
Delta Logo
6:51 pm - 11:44 pmIDA-SAN
5h 53m1 stop
Delta Logo
5:05 pm - 10:25 pmSAN-IDA
4h 20m1 stop
$241Delta
Find Deal
Mon, Sep 22 - Tue, Sep 23
Delta Logo
6:51 pm - 10:44 pmIDA-SAN
4h 53m1 stop
Delta Logo
5:05 pm - 10:25 pmSAN-IDA
4h 20m1 stop
$260Delta
Find Deal
Sat, Sep 20 - Mon, Sep 22
Alaska Airlines Logo
8:00 am - 12:47 pmIDA-SAN
5h 47m1 stop
Alaska Airlines Logo
8:59 pm - 10:38 pmSAN-IDA
24h 39m2 stops
$269Alaska Airlines
Find Deal
Tue, Jan 27 - Tue, Feb 3
Hawaiian Airlines Logo
6:00 am - 1:57 pmIDA-SAN
8h 57m1 stop
Hawaiian Airlines Logo
8:00 am - 3:38 pmSAN-IDA
6h 38m1 stop
$287Hawaiian Airlines
Find Deal
Wed, Oct 8 - Tue, Oct 14
United Airlines Logo
4:15 pm - 10:14 pmIDA-SAN
6h 59m1 stop
United Airlines Logo
7:00 am - 1:30 pmSAN-IDA
5h 30m1 stop
$311United Airlines
Find Deal
Fri, Sep 19 - Tue, Sep 23
Hawaiian Airlines Logo
6:00 am - 1:57 pmIDA-SAN
8h 57m1 stop
Hawaiian Airlines Logo
2:30 pm - 10:38 pmSAN-IDA
7h 08m1 stop
$334Hawaiian Airlines
Find Deal
Wed, Oct 8 - Tue, Oct 14
United Airlines Logo
5:56 pm - 10:14 pmIDA-SAN
5h 18m1 stop
United Airlines Logo
7:00 am - 3:29 pmSAN-IDA
7h 29m1 stop
$340United Airlines
Find Deal
Fri, Sep 19 - Wed, Sep 24
Alaska Airlines Logo
4:15 pm - 8:15 amIDA-SAN
17h 00m2 stops
Alaska Airlines Logo
2:30 pm - 10:38 pmSAN-IDA
7h 08m1 stop
$347Alaska Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22

Hawaiian Airlines flights from Idaho Falls to San Diego

Our best Hawaiian Airlines deals on Idaho Falls to San Diego flight tickets
Hawaiian Airlines
Oct 8
IDA6:00 amIdaho Falls Fanning Field
8h 57m
1 stop
SAN1:57 pmSan Diego
Oct 14
SAN8:00 amSan Diego
6h 38m
1 stop
IDA3:38 pmIdaho Falls Fanning Field
Hawaiian Airlines
Oct 8
IDA6:00 amIdaho Falls Fanning Field
8h 57m
1 stop
SAN1:57 pmSan Diego
Oct 14
SAN2:30 pmSan Diego
7h 08m
1 stop
IDA10:38 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 27
IDA8:00 amIdaho Falls Fanning Field
5h 47m
1 stop
SAN12:47 pmSan Diego
Feb 3
SAN8:59 pmSan Diego
24h 39m
2 stops
IDA10:38 pmIdaho Falls Fanning Field
Alaska Airlines
Oct 15
IDA4:15 pmIdaho Falls Fanning Field
17h 00m
2 stops
SAN8:15 amSan Diego
Oct 22
SAN2:30 pmSan Diego
7h 08m
1 stop
IDA10:38 pmIdaho Falls Fanning Field
Alaska Airlines
Oct 8
IDA6:00 amIdaho Falls Fanning Field
5h 52m
1 stop
SAN10:52 amSan Diego
Oct 10
SAN7:50 pmSan Diego
18h 48m
1 stop
IDA3:38 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 August 21, 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 9/19

10:55 pm-7:29 am

1 stop9h 34m

San Diego

Thu 9/25

7:47 pm-4:05 pm

1 stop19h 18m

$190

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Mon 9/22

9:39 pm-12:31 pm

1 stop15h 52m

San Diego

Thu 9/25

7:47 pm-4:05 pm

1 stop19h 18m

$192

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Mon 9/22

6:51 pm-11:44 pm

1 stop5h 53m

San Diego

Tue 9/23

5:05 pm-10:25 pm

1 stop4h 20m

$241

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Sat 9/20

6:51 pm-10:44 pm

1 stop4h 53m

San Diego

Mon 9/22

5:05 pm-10:25 pm

1 stop4h 20m

$260

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Tue 1/27

8:00 am-12:47 pm

1 stop5h 47m

San Diego

Tue 2/3

8:59 pm-10:38 pm

2 stops24h 39m

$269

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Wed 10/8

6:00 am-1:57 pm

1 stop8h 57m

San Diego

Tue 10/14

8:00 am-3:38 pm

1 stop6h 38m

$287

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Fri 9/19

4:15 pm-10:14 pm

1 stop6h 59m

San Diego

Tue 9/23

7:00 am-1:30 pm

1 stop5h 30m

$311

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Wed 10/8

6:00 am-1:57 pm

1 stop8h 57m

San Diego

Tue 10/14

2:30 pm-10:38 pm

1 stop7h 08m

$334

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Fri 9/19

5:56 pm-10:14 pm

1 stop5h 18m

San Diego

Wed 9/24

7:00 am-3:29 pm

1 stop7h 29m

$340

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Wed 10/15

4:15 pm-8:15 am

2 stops17h 00m

San Diego

Wed 10/22

2:30 pm-10:38 pm

1 stop7h 08m

$347

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 January is also very affordable. Most momondo users find prices during this month for around $294.

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

Direct flights

None
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. 3h 49m 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
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $192Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $253Free CancellationRating
8.0
10,000 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
La Mesa
National City
Imperial Beach
Poway
San Ysidro
Borrego Springs
Alpine
Lemon Grove
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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Tue 8/26
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