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Cheap flights from Idaho to San Diego from $58

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 to San Diego departing on 1/6. 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 to San Diego

Cheap round-trip flights

Delta Logo
2:38 pm - 7:08 pmGEG-SAN
4h 30m1 stop
Delta Logo
3:15 pm - 9:05 pmSAN-GEG
5h 50m1 stop
$137Delta
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Wed, Oct 22 - Wed, Oct 29
Southwest Logo
11:30 am - 5:40 pmBOI-SAN
7h 10m2 stops
Southwest Logo
3:05 pm - 6:15 pmSAN-BOI
2h 10mnonstop
$143Southwest
Find Deal
Wed, Oct 22 - Fri, Oct 24
Alaska Airlines Logo
7:05 pm - 8:29 pmBOI-SAN
2h 24mnonstop
Alaska Airlines Logo
12:30 pm - 7:16 pmSAN-BOI
5h 46m1 stop
$144Alaska Airlines
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Thu, Feb 19 - Mon, Feb 23
Alaska Airlines Logo
7:00 am - 9:55 amGEG-SAN
2h 55mnonstop
Alaska Airlines Logo
8:03 am - 1:21 pmSAN-GEG
5h 18m1 stop
$146Alaska Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
United Airlines Logo
7:05 pm - 12:15 amBOI-SAN
6h 10m1 stop
United Airlines Logo
8:00 am - 1:43 pmSAN-BOI
4h 43m1 stop
$155United Airlines
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Wed, Oct 15 - Sat, Oct 18
Multiple Airlines Logo
7:13 am - 8:45 amBOI-SAN
2h 32mnonstop
Multiple Airlines Logo
7:50 pm - 11:22 pmSAN-BOI
2h 32mnonstop
$166Multiple Airlines
Find Deal
Wed, Oct 15 - Sat, Oct 18
United Airlines Logo
5:39 pm - 10:15 pmBOI-SAN
5h 36m1 stop
United Airlines Logo
6:15 am - 1:30 pmSAN-BOI
6h 15m1 stop
$179United Airlines
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Fri, Oct 17 - Wed, Oct 22
Multiple Airlines Logo
7:40 pm - 9:20 pmIDA-SAN
26h 40m1 stop
Multiple Airlines Logo
6:25 am - 4:14 pmSAN-IDA
8h 49m1 stop
$270Multiple Airlines
Find Deal
Mon, Oct 6 - Fri, Oct 10
American Airlines Logo
1:32 pm - 3:41 pmJAC-SAN
3h 09mnonstop
American Airlines Logo
6:38 am - 2:15 pmSAN-JAC
6h 37m1 stop
$364American Airlines
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Fri, Feb 27 - Tue, Mar 3
American Airlines Logo
1:03 pm - 8:00 pmJAC-SAN
7h 57m2 stops
American Airlines Logo
4:20 pm - 11:47 amSAN-JAC
18h 27m2 stops
$385American Airlines
Find Deal
Sat, Oct 25 - Tue, Oct 28

American Airlines flights from Idaho to San Diego

Our best American Airlines deals on Idaho to San Diego flight tickets
American Airlines
Feb 27
JAC1:32 pmJackson Hole
3h 09m
SAN3:41 pmSan Diego
Mar 3
SAN6:38 amSan Diego
6h 37m
1 stop
JAC2:15 pmJackson Hole
$364
Find similar
American Airlines
Oct 25
JAC1:03 pmJackson Hole
7h 57m
2 stops
SAN8:00 pmSan Diego
Oct 28
SAN4:20 pmSan Diego
18h 27m
2 stops
JAC11:47 amJackson Hole
$385
Find similar
American Airlines
Mar 20
JAC1:32 pmJackson Hole
2h 22m
SAN2:54 pmSan Diego
Mar 24
SAN6:32 amSan Diego
6h 38m
1 stop
JAC2:10 pmJackson Hole
$403
Find similar

Alaska Airlines flights from Idaho to San Diego

Our best Alaska Airlines deals on Idaho to San Diego flight tickets
Alaska Airlines
Feb 19
BOI7:05 pmBoise Air Term. Gowen Fld
2h 24m
SAN8:29 pmSan Diego
Feb 23
SAN12:30 pmSan Diego
5h 46m
1 stop
BOI7:16 pmBoise Air Term. Gowen Fld
$144
Find similar
Alaska Airlines
Oct 22
GEG7:00 amSpokane
2h 55m
SAN9:55 amSan Diego
Oct 29
SAN8:03 amSan Diego
5h 18m
1 stop
GEG1:21 pmSpokane
$146
Find similar
Alaska Airlines
Feb 17
BOI9:00 amBoise Air Term. Gowen Fld
6h 06m
1 stop
SAN2:06 pmSan Diego
Feb 25
SAN5:00 pmSan Diego
2h 10m
BOI8:10 pmBoise Air Term. Gowen Fld
$149
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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 September 25, 2025.
Use the filters below to find and compare flights from Idaho to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

Wed 10/22

2:38 pm-7:08 pm

1 stop4h 30m

San Diego

Wed 10/29

3:15 pm-9:05 pm

1 stop5h 50m

$137

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Wed 10/22

11:30 am-5:40 pm

2 stops7h 10m

San Diego

Fri 10/24

3:05 pm-6:15 pm

Nonstop2h 10m

$143

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Thu 2/19

7:05 pm-8:29 pm

Nonstop2h 24m

San Diego

Mon 2/23

12:30 pm-7:16 pm

1 stop5h 46m

$144

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

Wed 10/22

7:00 am-9:55 am

Nonstop2h 55m

San Diego

Wed 10/29

8:03 am-1:21 pm

1 stop5h 18m

$146

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Wed 10/15

7:05 pm-12:15 am

1 stop6h 10m

San Diego

Sat 10/18

8:00 am-1:43 pm

1 stop4h 43m

$155

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Wed 10/15

7:13 am-8:45 am

Nonstop2h 32m

San Diego

Sat 10/18

7:50 pm-11:22 pm

Nonstop2h 32m

$166

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Fri 10/17

5:39 pm-10:15 pm

1 stop5h 36m

San Diego

Wed 10/22

6:15 am-1:30 pm

1 stop6h 15m

$179

Idaho FallsSan Diego

IDA - SAN

IDASAN

Idaho Falls Fanning Field

Mon 10/6

7:40 pm-9:20 pm

1 stop26h 40m

San Diego

Fri 10/10

6:25 am-4:14 pm

1 stop8h 49m

$270

JacksonSan Diego

JAC - SAN

JACSAN

Jackson Hole

Fri 2/27

1:32 pm-3:41 pm

Nonstop3h 09m

San Diego

Tue 3/3

6:38 am-2:15 pm

1 stop6h 37m

$364

JacksonSan Diego

JAC - SAN

JACSAN

Jackson Hole

Sat 10/25

1:03 pm-8:00 pm

2 stops7h 57m

San Diego

Tue 10/28

4:20 pm-11:47 am

2 stops18h 27m

$385

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 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 during the month October is also very affordable. Most momondo users find prices during this month for around $242.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Idaho to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $311. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $464. 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 at noon when flights can be purchased for as low as $335. Flights in the morning are often more expensive with an average ticket price of $382.

What is the cheapest Idaho to San Diego flight route?

Fly from Boise Air Term. Gowen Fld to San Diego for the best Idaho - San Diego flight prices

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $302 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Idaho for as low as $224 on momondo.

What cabin class options are available on Idaho to San Diego flights?

There are 4 cabin classes available to choose from on Idaho to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Idaho to San Diego flights?

You could potentially save up to 6% on your flight if you consider stops on a Idaho to San Diego flight.

Cheap Idaho to San Diego flight deals and tips

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

Best Price Found

$89

Fastest flight time

2h 10m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from Idaho in the past 72 hours is $89. The best round-trip flight deal from Idaho to San Diego found on momondo in the last 72 hours is $167.
The fastest flight from Idaho to San Diego takes 2h 10m
Direct flights go from Idaho to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)
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  • When did momondo last update prices for flights from Idaho to San Diego Airport?

    Prices for flights from Idaho to San Diego Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from Idaho 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 to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Idaho to San Diego?

Best airlines flying from Idaho to San Diego

Compare and see reviews for airlines that fly from Idaho to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $96Free CancellationRating
6.3
8,042 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $137Free CancellationRating
7.8
2,751 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $156Free CancellationRating
7.9
7,973 reviews
Search Delta flights
Alaska AirlinesPriceFrom $156Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $177Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $186Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
American AirlinesPriceFrom $254Free CancellationRating
7.2
10,000 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
La Mesa
National City
Imperial Beach
Poway
Borrego Springs
San Ysidro
Lemon Grove
Alpine
Santee

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho to San Diego for you.

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

Flights from Idaho 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 to San Diego?

momondo helps you find the best flight between Idaho 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 to San Diego right now. Can momondo alert me if prices change?

Price alerts on flights to San Diego from Idaho are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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