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Cheap flights from Idaho Falls to San Diego from $104

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 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho Falls to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:36 pm - 12:53 pm
IDA
-
SAN
41h 17m
2 stops
Multiple Airlines Logo
9:03 pm - 12:04 pm
SAN
-
IDA
14h 01m
1 stop
$211Multiple Airlines
Mon, Sep 7 - Thu, Sep 17
Multiple Airlines Logo
7:30 pm - 9:02 am
IDA
-
SAN
38h 32m
2 stops
Multiple Airlines Logo
8:48 pm - 1:30 pm
SAN
-
IDA
15h 42m
1 stop
$216Multiple Airlines
Mon, Oct 26 - Thu, Nov 5
Multiple Airlines Logo
7:30 pm - 9:02 am
IDA
-
SAN
38h 32m
2 stops
Multiple Airlines Logo
8:48 pm - 12:36 pm
SAN
-
IDA
14h 48m
1 stop
$229Multiple Airlines
Mon, Oct 26 - Sun, Nov 1
Delta Logo
6:56 pm - 11:55 pm
IDA
-
SAN
5h 59m
1 stop
Delta Logo
5:06 pm - 10:10 pm
SAN
-
IDA
4h 04m
1 stop
$261Delta
Tue, Oct 27 - Sat, Oct 31
Delta Logo
1:05 pm - 3:56 pm
IDA
-
SAN
3h 51m
1 stop
Delta Logo
6:15 am - 12:22 pm
SAN
-
IDA
5h 07m
1 stop
$261Delta
Wed, Oct 28 - Wed, Nov 4
United Airlines Logo
4:04 pm - 8:34 pm
IDA
-
SAN
5h 30m
1 stop
United Airlines Logo
8:45 am - 5:16 pm
SAN
-
IDA
7h 31m
1 stop
$261United Airlines
Wed, Sep 16 - Tue, Sep 22
Alaska Airlines Logo
6:09 am - 11:50 am
IDA
-
SAN
6h 41m
1 stop
Alaska Airlines Logo
2:59 pm - 10:59 pm
SAN
-
IDA
7h 00m
1 stop
$267Alaska Airlines
Sat, Oct 31 - Sat, Oct 31
United Airlines Logo
4:04 pm - 8:34 pm
IDA
-
SAN
5h 30m
1 stop
United Airlines Logo
7:00 am - 3:24 pm
SAN
-
IDA
7h 24m
1 stop
$267United Airlines
Tue, Sep 22 - Sat, Sep 26
Alaska Airlines Logo
3:57 pm - 9:56 am
IDA
-
SAN
18h 59m
1 stop
Alaska Airlines Logo
6:53 am - 1:21 pm
SAN
-
IDA
5h 28m
1 stop
$273Alaska Airlines
Tue, Oct 6 - Sat, Oct 10
United Airlines Logo
4:04 pm - 8:34 pm
IDA
-
SAN
5h 30m
1 stop
United Airlines Logo
6:30 am - 1:29 pm
SAN
-
IDA
5h 59m
1 stop
$311United Airlines
Sun, Sep 6 - Sat, Sep 12

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Alaska Airlines flights from Idaho Falls to San Diego

Our best Alaska Airlines deals on Idaho Falls to San Diego flight tickets
Alaska Airlines
Oct 31
IDA6:09 amIdaho Falls Fanning Field
6h 41m
1 stop
SAN11:50 amSan Diego
Oct 31
SAN2:59 pmSan Diego
7h 00m
1 stop
IDA10:59 pmIdaho Falls Fanning Field
$267
Alaska Airlines
Oct 27
IDA1:58 pmIdaho Falls Fanning Field
6h 45m
1 stop
SAN7:43 pmSan Diego
Oct 31
SAN6:53 amSan Diego
5h 28m
1 stop
IDA1:21 pmIdaho Falls Fanning Field
$273
Alaska Airlines
Oct 31
IDA6:09 amIdaho Falls Fanning Field
6h 41m
1 stop
SAN11:50 amSan Diego
Oct 31
SAN2:59 pmSan Diego
7h 00m
1 stop
IDA10:59 pmIdaho Falls Fanning Field
$275

American Airlines flights from Idaho Falls to San Diego

Our best American Airlines deals on Idaho Falls to San Diego flight tickets
American Airlines
Aug 1
IDA2:23 pmIdaho Falls Fanning Field
10h 03m
1 stop
SAN11:26 pmSan Diego
Aug 3
SAN9:41 amSan Diego
11h 30m
2 stops
IDA10:11 pmIdaho Falls Fanning Field
$537
American Airlines
Aug 1
IDA2:23 pmIdaho Falls Fanning Field
10h 03m
1 stop
SAN11:26 pmSan Diego
Aug 4
SAN9:41 amSan Diego
11h 30m
2 stops
IDA10:11 pmIdaho Falls Fanning Field
$543
American Airlines
Aug 2
IDA12:53 pmIdaho Falls Fanning Field
9h 28m
1 stop
SAN9:21 pmSan Diego
Aug 5
SAN10:59 amSan Diego
9h 21m
1 stop
IDA9:20 pmIdaho Falls Fanning Field
$571

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 July 31, 2026.
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

Cheapest round-trip

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Mon 9/7

8:36 pm-12:53 pm

2 stops41h 17m

San Diego

Thu 9/17

9:03 pm-12:04 pm

1 stop14h 01m

$211

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Mon 10/26

7:30 pm-9:02 am

2 stops38h 32m

San Diego

Thu 11/5

8:48 pm-1:30 pm

1 stop15h 42m

$216

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Mon 10/26

7:30 pm-9:02 am

2 stops38h 32m

San Diego

Sun 11/1

8:48 pm-12:36 pm

1 stop14h 48m

$229

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Tue 10/27

6:56 pm-11:55 pm

1 stop5h 59m

San Diego

Sat 10/31

5:06 pm-10:10 pm

1 stop4h 04m

$261
Quickest round-trip

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Wed 10/28

1:05 pm-3:56 pm

1 stop3h 51m

San Diego

Wed 11/4

6:15 am-12:22 pm

1 stop5h 07m

$261

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Wed 9/16

4:04 pm-8:34 pm

1 stop5h 30m

San Diego

Tue 9/22

8:45 am-5:16 pm

1 stop7h 31m

$261

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Sat 10/31

6:09 am-11:50 am

1 stop6h 41m

San Diego

Sat 10/31

2:59 pm-10:59 pm

1 stop7h 00m

$267

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Tue 9/22

4:04 pm-8:34 pm

1 stop5h 30m

San Diego

Sat 9/26

7:00 am-3:24 pm

1 stop7h 24m

$267

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Tue 10/6

3:57 pm-9:56 am

1 stop18h 59m

San Diego

Sat 10/10

6:53 am-1:21 pm

1 stop5h 28m

$273

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Sun 9/6

4:04 pm-8:34 pm

1 stop5h 30m

San Diego

Sat 9/12

6:30 am-1:29 pm

1 stop5h 59m

$311

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of August, then departing from Idaho Falls during the month March is also very affordable. Most momondo users find prices during this month for around $340.

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

3h 44m

Direct flights

None
The fastest flight from Idaho Falls to San Diego takes 3h 44m
There are no direct flights from Idaho Falls to San Diego. There are no popular flight routes from Idaho Falls to San Diego.
Search flight deals

Frequently asked questions about flying 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 44m 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
United AirlinesPriceFrom $240Free CancellationRating
7.4
10,051 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $250Free CancellationRating
7.9
12,738 reviews
Search Alaska Airlines flights
DeltaPriceFrom $250Free CancellationRating
7.8
8,487 reviews
Search Delta flights

Traveling to a place near San Diego?

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

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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