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$48+ Cheap flights from Idaho to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAN
Apr 5 — Apr 121
Sa 4/5
Sa 4/12
1 adult, Economy
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Cheap flight deals from Idaho to San Diego

Keep the following information in mind while searching for Idaho to San Diego flight deals. Data was last updated März 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$161
(Mytrip)

One-way from

$48
(FlightHub)

Popular in

November

Cheapest in

May

Average price

$390

Good round-trip deal

$253 or less

Good one-way deal

$115 or less
Provider with most accurate pricing for Boise Air Term. Gowen Fld-San Diego flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San Diego flights.
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From Idaho to San Diego
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One-way flight from Idaho to San Diego
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Highest demand for flights based on searches. 11% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Idaho to San Diego.
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Price to beat on a one-way flight from Idaho to San Diego.
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Find flight deals from Idaho to San Diego

Cheapest flights from Idaho to San Diego
Explore the most affordable flight options available from Idaho to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on März 31, 2025.

This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 4/209:35 amGEG - SAN
1 stop15h 07mMultiple Airlines
Mi 4/309:08 pmSAN - GEG
1 stop11h 37mMultiple Airlines
Deal found 3/30$161
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 4/303:21 pmGEG - SAN
1 stop6h 16mAmerican Airlines
Di 5/66:20 amSAN - GEG
1 stop7h 17mAmerican Airlines
Deal found 3/31$177
This Hawaiian Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 4/307:00 amGEG - SAN
Nonstop2h 50mHawaiian Airlines
Di 5/68:10 amSAN - GEG
1 stop6h 30mHawaiian Airlines
Deal found 3/30$185
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 6/105:40 amGEG - SAN
1 stop4h 15mSouthwest
So 6/157:45 pmSAN - GEG
1 stop5h 20mSouthwest
Deal found 3/30$190
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 4/207:10 amGEG - SAN
Nonstop2h 50mAlaska Airlines
Mi 4/308:10 amSAN - GEG
1 stop6h 30mAlaska Airlines
Deal found 3/30$196
This Hawaiian Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 5/79:18 amBOI - SAN
Nonstop2h 22mHawaiian Airlines
Di 5/138:10 amSAN - BOI
Nonstop2h 32mHawaiian Airlines
Deal found 3/30$197
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 5/78:46 amBOI - SAN
1 stop6h 36mDelta
So 5/116:15 amSAN - BOI
1 stop4h 39mDelta
Deal found 3/30$198
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 5/77:04 pmBOI - SAN
Nonstop2h 15mAlaska Airlines
Di 5/137:45 pmSAN - BOI
1 stop16h 46mAlaska Airlines
Deal found 3/30$200
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 6/121:55 pmBOI - SAN
Nonstop2h 10mSouthwest
Di 6/177:30 amSAN - BOI
1 stop7h 35mSouthwest
Deal found 3/30$212
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 5/124:56 pmGEG - SAN
1 stop6h 57mDelta
Mo 5/197:18 pmSAN - GEG
1 stop4h 20mDelta
Deal found 3/30$215
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 5/2612:16 pmBOI - SAN
1 stop19h 57mSpirit Airlines
Do 5/291:06 pmSAN - BOI
2 stops21h 15mSpirit Airlines
Deal found 3/30$221
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 4/251:23 pmJAC - SAN
1 stop3h 48mDelta
Mo 4/286:15 amSAN - JAC
1 stop5h 04mDelta
Deal found 3/30$237

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated März 31, 2025.
Use the filters below to find and compare flights from Idaho to San Diego that are best for you.

Fly from

Idaho

Fly to

San Diego

Route

Depart

Return

Price

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

So 4/20

9:35 am-12:42 am

1 stop15h 07m

San Diego

Mi 4/30

9:08 pm-8:45 am

1 stop11h 37m

$161

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

Mi 4/30

3:21 pm-9:37 pm

1 stop6h 16m

San Diego

Di 5/6

6:20 am-1:37 pm

1 stop7h 17m

$177

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

Mi 4/30

7:00 am-9:50 am

Nonstop2h 50m

San Diego

Di 5/6

8:10 am-2:40 pm

1 stop6h 30m

$185

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

Di 6/10

5:40 am-9:55 am

1 stop4h 15m

San Diego

So 6/15

7:45 pm-1:05 am

1 stop5h 20m

$190

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

So 4/20

7:10 am-10:00 am

Nonstop2h 50m

San Diego

Mi 4/30

8:10 am-2:40 pm

1 stop6h 30m

$196

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Mi 5/7

9:18 am-10:40 am

Nonstop2h 22m

San Diego

Di 5/13

8:10 am-11:42 am

Nonstop2h 32m

$197

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Mi 5/7

8:46 am-2:22 pm

1 stop6h 36m

San Diego

So 5/11

6:15 am-11:54 am

1 stop4h 39m

$198

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Mi 5/7

7:04 pm-8:19 pm

Nonstop2h 15m

San Diego

Di 5/13

7:45 pm-1:31 pm

1 stop16h 46m

$200

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Do 6/12

1:55 pm-3:05 pm

Nonstop2h 10m

San Diego

Di 6/17

7:30 am-4:05 pm

1 stop7h 35m

$212

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

Fr 5/9

3:25 pm-11:05 pm

1 stop7h 40m

San Diego

Do 5/15

5:58 pm-11:38 pm

1 stop5h 40m

$213

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 43 results
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Best time to book a flight from Idaho to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to San Diego

What is the cheapest month to book a flight from Idaho to San Diego?

Currently, August is the cheapest month in which you can book a flight from Idaho to San Diego (average of $286). Flying from Idaho to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ID to SAN?

Find hourly flight availability from Idaho to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated März 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to San Diego as you normally would.

Weekly flight availability from Idaho to San Diego

Explore weekly flight availability from Idaho to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated März 31, 2025.

The most flights from USID to SAN are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated März 31, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Idaho to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Hawaiian Airlines
7.9
Good
2,344 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

Find useful and relevant information for your journey from Idaho to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from Idaho?

    Most people fly into San Diego (SAN) if they book a flight to San Diego from Idaho. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

  • How popular is this Idaho to San Diego flight route?

    This flight path from Idaho to San Diego was viewed by 22 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Idaho to San Diego one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $48. However, be on the lookout for offers from Delta and Hawaiian Airlines, as they are both options that can get you from Idaho to San Diego for a low price.

  • What are the most popular routes from Idaho to San Diego?

    While some choose either Spokane - San Diego or Idaho Falls Fanning Field - San Diego, Boise Air Term. Gowen Fld - San Diego is the most popular route from Idaho to San Diego.

  • What are the most reliable airlines from Idaho to San Diego?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Idaho to San Diego on time: Japan Airlines (86%), SkyWest Airlines (85%), Hawaiian Airlines (80%).

  • What are the cheapest flights from Idaho to San Diego?

    The cheapest flight price from Idaho to San Diego is $98. On average you can expect to pay $348. The most popular route, (Boise Air Term. Gowen Fld - San Diego), can usually be booked for $148.

  • Can I find deals for flights from Idaho to San Diego that include hotel bookings?

    Yes. In addition to deals on Idaho to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to San Diego.

  • Can I find deals for business class flights from Idaho to San Diego?

    Yes. Cheapflights offers flight deals from Idaho to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Idaho to San Diego (average of $286). Flying from Idaho to San Diego in March is currently the most expensive (average of $366). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Idaho?

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

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Alternative routes for Idaho to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Idaho to San Diego

Discover the top 6 airlines that operate flights from Idaho to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated März 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$85Average$151FlexibilityNo cancel feeOn-time65%
DeltaCheapest$171Average$430FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$177Average$329FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$184Average$324FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$192Average$358FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$231Average$307FlexibilityNo cancel feeOn-time85%
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