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Cheap flights from Idaho Falls to San Diego from $136

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 4/28. 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

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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
9:50 am - 7:05 am
IDA
-
SAN
22h 15m
1 stop
Multiple Airlines Logo
9:02 pm - 3:27 pm
SAN
-
IDA
17h 25m
1 stop
$211Multiple Airlines
So, Apr 5 - Do, Apr 9
Multiple Airlines Logo
1:30 pm - 2:04 pm
IDA
-
SAN
25h 34m
1 stop
Multiple Airlines Logo
3:46 pm - 9:00 am
SAN
-
IDA
16h 14m
1 stop
$221Multiple Airlines
Di, Mrz 31 - Sa, Apr 4
Multiple Airlines Logo
1:49 pm - 7:21 am
IDA
-
SAN
18h 32m
1 stop
Multiple Airlines Logo
9:02 pm - 3:27 pm
SAN
-
IDA
17h 25m
1 stop
$223Multiple Airlines
Sa, Apr 4 - Do, Apr 9
Multiple Airlines Logo
10:21 pm - 1:17 pm
IDA
-
SAN
15h 56m
1 stop
Multiple Airlines Logo
9:00 pm - 3:27 pm
SAN
-
IDA
17h 27m
1 stop
$230Multiple Airlines
Mo, Apr 13 - Do, Apr 16
Multiple Airlines Logo
1:30 pm - 2:04 pm
IDA
-
SAN
25h 34m
1 stop
Multiple Airlines Logo
9:02 pm - 3:27 pm
SAN
-
IDA
17h 25m
1 stop
$231Multiple Airlines
Di, Mrz 31 - Do, Apr 9
Multiple Airlines Logo
10:13 pm - 1:13 pm
IDA
-
SAN
16h 00m
1 stop
Multiple Airlines Logo
9:02 pm - 3:12 pm
SAN
-
IDA
17h 10m
1 stop
$246Multiple Airlines
Mo, Mrz 30 - Do, Apr 2
Multiple Airlines Logo
1:30 pm - 2:04 pm
IDA
-
SAN
25h 34m
1 stop
Multiple Airlines Logo
9:56 pm - 3:12 pm
SAN
-
IDA
16h 16m
1 stop
$251Multiple Airlines
Di, Mrz 31 - So, Apr 5
Multiple Airlines Logo
9:50 am - 7:21 am
IDA
-
SAN
22h 31m
1 stop
Multiple Airlines Logo
3:46 pm - 9:00 am
SAN
-
IDA
16h 14m
1 stop
$253Multiple Airlines
Do, Apr 2 - Sa, Apr 4
Multiple Airlines Logo
1:30 pm - 2:04 pm
IDA
-
SAN
25h 34m
1 stop
Multiple Airlines Logo
11:08 am - 12:32 pm
SAN
-
IDA
24h 24m
1 stop
$261Multiple Airlines
Di, Mrz 31 - Mo, Apr 6
Multiple Airlines Logo
10:21 pm - 1:17 pm
IDA
-
SAN
15h 56m
1 stop
Multiple Airlines Logo
9:00 pm - 3:27 pm
SAN
-
IDA
17h 27m
1 stop
$262Multiple Airlines
Mo, Apr 13 - So, Apr 19

Delta flights from Idaho Falls to San Diego

Our best Delta deals on Idaho Falls to San Diego flight tickets
Delta
Apr 15
IDA6:58 pmIdaho Falls Fanning Field
5h 44m
1 stop
SAN11:42 pmSan Diego
Apr 16
SAN5:00 pmSan Diego
4h 40m
1 stop
IDA10:40 pmIdaho Falls Fanning Field
$355
Delta
Apr 13
IDA6:58 pmIdaho Falls Fanning Field
5h 44m
1 stop
SAN11:42 pmSan Diego
Apr 14
SAN6:15 amSan Diego
5h 11m
1 stop
IDA12:26 pmIdaho Falls Fanning Field
$369
Delta
Mar 31
IDA6:55 pmIdaho Falls Fanning Field
5h 53m
1 stop
SAN11:48 pmSan Diego
Apr 7
SAN6:15 amSan Diego
5h 12m
1 stop
IDA12:27 pmIdaho Falls Fanning Field
$378

United Airlines flights from Idaho Falls to San Diego

Our best United Airlines deals on Idaho Falls to San Diego flight tickets
United Airlines
Apr 20
IDA5:20 pmIdaho Falls Fanning Field
5h 10m
1 stop
SAN9:30 pmSan Diego
Apr 25
SAN6:32 amSan Diego
5h 52m
1 stop
IDA1:24 pmIdaho Falls Fanning Field
$271
United Airlines
May 9
IDA2:31 pmIdaho Falls Fanning Field
7h 41m
1 stop
SAN9:12 pmSan Diego
May 16
SAN6:32 amSan Diego
5h 53m
1 stop
IDA1:25 pmIdaho Falls Fanning Field
$295
United Airlines
Apr 28
IDA5:20 pmIdaho Falls Fanning Field
5h 10m
1 stop
SAN9:30 pmSan Diego
May 2
SAN8:54 amSan Diego
5h 49m
1 stop
IDA3:43 pmIdaho Falls Fanning Field
$306

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 März 14, 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

So 4/5

9:50 am-7:05 am

1 stop22h 15m

San Diego

Do 4/9

9:02 pm-3:27 pm

1 stop17h 25m

$211

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Di 3/31

1:30 pm-2:04 pm

1 stop25h 34m

San Diego

Sa 4/4

3:46 pm-9:00 am

1 stop16h 14m

$221

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Sa 4/4

1:49 pm-7:21 am

1 stop18h 32m

San Diego

Do 4/9

9:02 pm-3:27 pm

1 stop17h 25m

$223

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Mo 4/13

10:21 pm-1:17 pm

1 stop15h 56m

San Diego

Do 4/16

9:00 pm-3:27 pm

1 stop17h 27m

$230

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Di 3/31

1:30 pm-2:04 pm

1 stop25h 34m

San Diego

Do 4/9

9:02 pm-3:27 pm

1 stop17h 25m

$231
Quickest round-trip

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Mo 3/30

10:13 pm-1:13 pm

1 stop16h 00m

San Diego

Do 4/2

9:02 pm-3:12 pm

1 stop17h 10m

$246

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Di 3/31

1:30 pm-2:04 pm

1 stop25h 34m

San Diego

So 4/5

9:56 pm-3:12 pm

1 stop16h 16m

$251

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Do 4/2

9:50 am-7:21 am

1 stop22h 31m

San Diego

Sa 4/4

3:46 pm-9:00 am

1 stop16h 14m

$253

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Di 3/31

1:30 pm-2:04 pm

1 stop25h 34m

San Diego

Mo 4/6

11:08 am-12:32 pm

1 stop24h 24m

$261

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Mo 4/13

10:21 pm-1:17 pm

1 stop15h 56m

San Diego

So 4/19

9:00 pm-3:27 pm

1 stop17h 27m

$262

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 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 $281.

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 49m

Direct flights

None
The fastest flight from Idaho Falls to San Diego takes 3h 49m
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

  • 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 $175Free CancellationRating
7.9
8,291 reviews
Search Delta flights
United AirlinesPriceFrom $260Free CancellationRating
7.4
9,423 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $263Free CancellationRating
8.0
12,042 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $294Free CancellationRating
7.1
11,464 reviews
Search American 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
Poway
Imperial Beach
La Mesa
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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