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Cheap flights from San Diego to Idaho Falls from $160

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Idaho Falls departing on 12/12. 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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0 bags

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Find the cheapest flights from San Diego to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:15 am - 4:43 pmSAN-IDA
9h 28m1 stop
Alaska Airlines Logo
5:20 pm - 11:03 pmIDA-SAN
6h 43m1 stop
$244Alaska Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
Alaska Airlines Logo
12:40 pm - 11:36 pmSAN-IDA
9h 56m2 stops
Alaska Airlines Logo
5:20 pm - 11:03 pmIDA-SAN
6h 43m1 stop
$282Alaska Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
Alaska Airlines Logo
4:45 pm - 11:36 pmSAN-IDA
5h 51m1 stop
Alaska Airlines Logo
5:20 pm - 11:03 pmIDA-SAN
6h 43m1 stop
$283Alaska Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
Alaska Airlines Logo
10:29 am - 11:36 pmSAN-IDA
12h 07m2 stops
Alaska Airlines Logo
5:20 pm - 11:03 pmIDA-SAN
6h 43m1 stop
$292Alaska Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
Multiple Airlines Logo
6:34 am - 3:49 pmSAN-IDA
32h 15m2 stops
Multiple Airlines Logo
12:49 pm - 8:07 pmIDA-SAN
8h 18m2 stops
$312Multiple Airlines
Find Deal
Wed, Dec 10 - Sat, Dec 13
Alaska Airlines Logo
6:15 am - 6:18 pmSAN-IDA
11h 03m1 stop
Alaska Airlines Logo
6:58 pm - 5:20 pmIDA-SAN
23h 22m1 stop
$314Alaska Airlines
Find Deal
Wed, Jan 14 - Fri, Jan 16
Alaska Airlines Logo
2:20 pm - 10:59 pmSAN-IDA
7h 39m1 stop
Alaska Airlines Logo
6:58 pm - 8:33 amIDA-SAN
14h 35m2 stops
$317Alaska Airlines
Find Deal
Wed, Jan 14 - Fri, Jan 16
Multiple Airlines Logo
1:06 pm - 4:12 pmSAN-IDA
26h 06m1 stop
Multiple Airlines Logo
10:52 pm - 10:13 amIDA-SAN
36h 21m2 stops
$319Multiple Airlines
Find Deal
Thu, Dec 25 - Fri, Jan 2
Alaska Airlines Logo
12:40 pm - 11:36 pmSAN-IDA
9h 56m2 stops
Alaska Airlines Logo
5:20 pm - 2:10 pmIDA-SAN
21h 50m2 stops
$324Alaska Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
Alaska Airlines Logo
12:40 pm - 11:36 pmSAN-IDA
9h 56m2 stops
Alaska Airlines Logo
5:20 pm - 8:18 amIDA-SAN
15h 58m2 stops
$335Alaska Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3

Alaska Airlines flights from San Diego to Idaho Falls

Our best Alaska Airlines deals on San Diego to Idaho Falls flight tickets
Alaska Airlines
Feb 28
SAN6:15 amSan Diego
9h 28m
1 stop
IDA4:43 pmIdaho Falls Fanning Field
Mar 3
IDA5:20 pmIdaho Falls Fanning Field
6h 43m
1 stop
SAN11:03 pmSan Diego
$244
Find similar
Alaska Airlines
Jan 23
SAN6:15 amSan Diego
15h 44m
1 stop
IDA10:59 pmIdaho Falls Fanning Field
Jan 26
IDA6:58 pmIdaho Falls Fanning Field
19h 21m
1 stop
SAN1:19 pmSan Diego
$264
Find similar
Alaska Airlines
Feb 28
SAN12:40 pmSan Diego
9h 56m
2 stops
IDA11:36 pmIdaho Falls Fanning Field
Mar 3
IDA5:20 pmIdaho Falls Fanning Field
6h 43m
1 stop
SAN11:03 pmSan Diego
$282
Find similar

United Airlines flights from San Diego to Idaho Falls

Our best United Airlines deals on San Diego to Idaho Falls flight tickets
United Airlines
Dec 25
SAN9:00 amSan Diego
5h 24m
1 stop
IDA3:24 pmIdaho Falls Fanning Field
Jan 2
IDA5:00 amIdaho Falls Fanning Field
5h 39m
1 stop
SAN9:39 amSan Diego
$358
Find similar
United Airlines
Dec 26
SAN4:10 pmSan Diego
5h 49m
1 stop
IDA10:59 pmIdaho Falls Fanning Field
Jan 2
IDA5:00 amIdaho Falls Fanning Field
5h 39m
1 stop
SAN9:39 amSan Diego
$404
Find similar
United Airlines
Feb 13
SAN6:55 pmSan Diego
20h 35m
1 stop
IDA4:30 pmIdaho Falls Fanning Field
Feb 19
IDA2:40 pmIdaho Falls Fanning Field
19h 44m
1 stop
SAN9:24 amSan Diego
$445
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Idaho Falls 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 December 1, 2025.
Use the filters below to find and compare flights from San Diego to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Sat 2/28

6:15 am-4:43 pm

1 stop9h 28m

Idaho Falls Fanning Field

Tue 3/3

5:20 pm-11:03 pm

1 stop6h 43m

$244

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Sat 2/28

12:40 pm-11:36 pm

2 stops9h 56m

Idaho Falls Fanning Field

Tue 3/3

5:20 pm-11:03 pm

1 stop6h 43m

$282

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Sat 2/28

4:45 pm-11:36 pm

1 stop5h 51m

Idaho Falls Fanning Field

Tue 3/3

5:20 pm-11:03 pm

1 stop6h 43m

$283

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Sat 2/28

10:29 am-11:36 pm

2 stops12h 07m

Idaho Falls Fanning Field

Tue 3/3

5:20 pm-11:03 pm

1 stop6h 43m

$292

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Wed 12/10

6:34 am-3:49 pm

2 stops32h 15m

Idaho Falls Fanning Field

Sat 12/13

12:49 pm-8:07 pm

2 stops8h 18m

$312

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Wed 1/14

6:15 am-6:18 pm

1 stop11h 03m

Idaho Falls Fanning Field

Fri 1/16

6:58 pm-5:20 pm

1 stop23h 22m

$314

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Wed 1/14

2:20 pm-10:59 pm

1 stop7h 39m

Idaho Falls Fanning Field

Fri 1/16

6:58 pm-8:33 am

2 stops14h 35m

$317

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Thu 12/25

1:06 pm-4:12 pm

1 stop26h 06m

Idaho Falls Fanning Field

Fri 1/2

10:52 pm-10:13 am

2 stops36h 21m

$319

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Sat 2/28

12:40 pm-11:36 pm

2 stops9h 56m

Idaho Falls Fanning Field

Tue 3/3

5:20 pm-2:10 pm

2 stops21h 50m

$324

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Sat 2/28

12:40 pm-11:36 pm

2 stops9h 56m

Idaho Falls Fanning Field

Tue 3/3

5:20 pm-8:18 am

2 stops15h 58m

$335

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 Idaho Falls from

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

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 Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $328.

What is the cheapest day to depart on your flight to Idaho Falls?

Our data shows that Saturday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $353. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Thursday is $558.

What is the cheapest time of day to depart on your flight to Idaho Falls?

Our most recent data shows that the best time of day to fly to Idaho Falls is in the morning. Flights from San Diego to Idaho Falls during this time can be as low as $436. Try not to purchase tickets at noon because they tend to be around $659. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

When to book flights from San Diego to Idaho Falls

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

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

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

Fastest flight time

5h 51m

Direct flights

None
The fastest flight from San Diego to Idaho Falls takes 5h 51m
There are no direct flights from San Diego to Idaho Falls. There are no popular flight routes from San Diego to Idaho Falls.
Search flight deals

  • How far is San Diego to Idaho Falls Fanning Field by plane?

    A flight from San Diego to Idaho Falls Fanning Field will travel around 792.4 mi. Flights usually cover this in 3h 50m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from San Diego Airport to Idaho Falls Fanning Field Airport were last updated today.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The required travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from San Diego to Idaho Falls

Compare and see reviews for airlines that fly from San Diego to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $220Free CancellationRating
7.9
8,010 reviews
Search Delta flights
Alaska AirlinesPriceFrom $230Free CancellationRating
8.0
11,382 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $308Free CancellationRating
7.4
9,057 reviews
Search United Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

It is quick and easy to find San Diego to Idaho Falls 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 Idaho Falls that suits you.

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

Yes. All flights to Idaho Falls from San Diego on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Diego to Idaho Falls.

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

Of course. momondo tracks the price of San Diego to Idaho Falls flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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