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Cheap flights from San Diego to Idaho Falls from $121

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 9/23. 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 San Diego to Idaho Falls

Cheap round-trip flights

Logo
12:33 pm - 4:05 pmSAN-IDA
26h 32m1 stop
Logo
9:39 pm - 9:24 pmIDA-SAN
24h 45m1 stop
$195
Find Deal
Thu, Sep 18 - Mon, Sep 22
Logo
12:33 pm - 4:05 pmSAN-IDA
26h 32m1 stop
Logo
9:39 pm - 9:24 pmIDA-SAN
24h 45m1 stop
$196
Find Deal
Thu, Sep 18 - Mon, Sep 22
Logo
6:25 am - 2:49 pmSAN-IDA
7h 24m1 stop
Logo
9:39 pm - 9:24 pmIDA-SAN
24h 45m1 stop
$197
Find Deal
Mon, Sep 15 - Mon, Sep 22
Logo
6:25 am - 2:49 pmSAN-IDA
7h 24m1 stop
Logo
10:55 pm - 6:30 pmIDA-SAN
20h 35m1 stop
$200
Find Deal
Mon, Sep 15 - Fri, Sep 19
Alaska Airlines Logo
6:15 am - 3:13 pmSAN-IDA
7h 58m1 stop
Alaska Airlines Logo
3:50 pm - 10:59 pmIDA-SAN
8h 09m1 stop
$240Alaska Airlines
Find Deal
Wed, Nov 12 - Thu, Nov 13
Delta Logo
5:05 pm - 10:25 pmSAN-IDA
4h 20m1 stop
Delta Logo
6:51 pm - 11:44 pmIDA-SAN
5h 53m1 stop
$241Delta
Find Deal
Tue, Sep 16 - Mon, Sep 22
Delta Logo
5:05 pm - 10:25 pmSAN-IDA
4h 20m1 stop
Delta Logo
6:51 pm - 10:44 pmIDA-SAN
4h 53m1 stop
$260Delta
Find Deal
Tue, Sep 16 - Sat, Sep 20
Alaska Airlines Logo
1:51 pm - 10:38 pmSAN-IDA
7h 47m1 stop
Alaska Airlines Logo
6:05 am - 12:56 pmIDA-SAN
7h 51m1 stop
$264Alaska Airlines
Find Deal
Fri, Oct 24 - Tue, Oct 28
United Airlines Logo
7:00 am - 3:29 pmSAN-IDA
7h 29m1 stop
United Airlines Logo
4:15 pm - 8:25 pmIDA-SAN
5h 10m1 stop
$271United Airlines
Find Deal
Thu, Sep 11 - Thu, Sep 18
United Airlines Logo
7:00 am - 3:29 pmSAN-IDA
7h 29m1 stop
United Airlines Logo
5:00 am - 9:09 amIDA-SAN
5h 09m1 stop
$301United Airlines
Find Deal
Sun, Sep 7 - Thu, Sep 11

Alaska Airlines flights from San Diego to Idaho Falls

Our best Alaska Airlines deals on San Diego to Idaho Falls flight tickets
Alaska Airlines
Nov 12
SAN6:15 amSan Diego
7h 58m
1 stop
IDA3:13 pmIdaho Falls Fanning Field
Nov 13
IDA3:50 pmIdaho Falls Fanning Field
8h 09m
1 stop
SAN10:59 pmSan Diego
$240
Find similar
Alaska Airlines
Oct 24
SAN1:51 pmSan Diego
7h 47m
1 stop
IDA10:38 pmIdaho Falls Fanning Field
Oct 28
IDA6:05 amIdaho Falls Fanning Field
7h 51m
1 stop
SAN12:56 pmSan Diego
$264
Find similar
Alaska Airlines
Oct 21
SAN10:30 amSan Diego
11h 08m
2 stops
IDA10:38 pmIdaho Falls Fanning Field
Oct 28
IDA3:50 pmIdaho Falls Fanning Field
6h 06m
1 stop
SAN8:56 pmSan Diego
$279
Find similar

Delta flights from San Diego to Idaho Falls

Our best Delta deals on San Diego to Idaho Falls flight tickets
Delta
Sep 16
SAN5:05 pmSan Diego
4h 20m
1 stop
IDA10:25 pmIdaho Falls Fanning Field
Sep 22
IDA6:51 pmIdaho Falls Fanning Field
5h 53m
1 stop
SAN11:44 pmSan Diego
$241
Find similar
Delta
Sep 16
SAN5:05 pmSan Diego
4h 20m
1 stop
IDA10:25 pmIdaho Falls Fanning Field
Sep 20
IDA6:51 pmIdaho Falls Fanning Field
4h 53m
1 stop
SAN10:44 pmSan Diego
$260
Find similar
Delta
Sep 22
SAN6:15 amSan Diego
5h 11m
1 stop
IDA12:26 pmIdaho Falls Fanning Field
Sep 30
IDA6:51 pmIdaho Falls Fanning Field
5h 53m
1 stop
SAN11:44 pmSan Diego
$265
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 August 25, 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

Thu 9/18

12:33 pm-4:05 pm

1 stop26h 32m

Idaho Falls Fanning Field

Mon 9/22

9:39 pm-9:24 pm

1 stop24h 45m

$195

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Thu 9/18

12:33 pm-4:05 pm

1 stop26h 32m

Idaho Falls Fanning Field

Mon 9/22

9:39 pm-9:24 pm

1 stop24h 45m

$196

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Mon 9/15

6:25 am-2:49 pm

1 stop7h 24m

Idaho Falls Fanning Field

Mon 9/22

9:39 pm-9:24 pm

1 stop24h 45m

$197

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Mon 9/15

6:25 am-2:49 pm

1 stop7h 24m

Idaho Falls Fanning Field

Fri 9/19

10:55 pm-6:30 pm

1 stop20h 35m

$200

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Wed 11/12

6:15 am-3:13 pm

1 stop7h 58m

Idaho Falls Fanning Field

Thu 11/13

3:50 pm-10:59 pm

1 stop8h 09m

$240

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Tue 9/16

5:05 pm-10:25 pm

1 stop4h 20m

Idaho Falls Fanning Field

Mon 9/22

6:51 pm-11:44 pm

1 stop5h 53m

$241

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Tue 9/16

5:05 pm-10:25 pm

1 stop4h 20m

Idaho Falls Fanning Field

Sat 9/20

6:51 pm-10:44 pm

1 stop4h 53m

$260

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Fri 10/24

1:51 pm-10:38 pm

1 stop7h 47m

Idaho Falls Fanning Field

Tue 10/28

6:05 am-12:56 pm

1 stop7h 51m

$264

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Thu 9/11

7:00 am-3:29 pm

1 stop7h 29m

Idaho Falls Fanning Field

Thu 9/18

4:15 pm-8:25 pm

1 stop5h 10m

$271

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Sun 9/7

7:00 am-3:29 pm

1 stop7h 29m

Idaho Falls Fanning Field

Thu 9/11

5:00 am-9:09 am

1 stop5h 09m

$301

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

Direct flights

None
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 4h 20m, 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
Alaska AirlinesPriceFrom $230Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $233Free CancellationRating
7.9
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $264Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
8,940 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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