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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 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAN
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Idaho to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Idaho (USID) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

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 November 21, 2024.

This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:51 amBOI - SAN
1 stop22h 24mSpirit Airlines
Tue 12/107:15 pmSAN - BOI
1 stop18h 35mSpirit Airlines
Deal found 11/20$198
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/122:15 pmBOI - SAN
1 stop6h 38mUnited Airlines
Fri 12/132:20 pmSAN - BOI
1 stop6h 04mUnited Airlines
Deal found 11/20$228
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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.
Sun 12/159:31 amBOI - SAN
1 stop23h 10mAlaska Airlines
Thu 1/238:15 amSAN - BOI
Nonstop2h 19mAlaska Airlines
Deal found 11/20$230
This Mytrip deal was found by Cheapflights users on 11/20. 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.
Sun 12/228:03 pmBOI - SAN
2 stops20h 44mMultiple Airlines
Sun 12/297:16 pmSAN - BOI
1 stop14h 46mMultiple Airlines
Deal found 11/20$231
This Delta deal was found by Cheapflights users on 11/20. 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.
Thu 12/125:36 amBOI - SAN
1 stop8h 14mDelta
Fri 12/133:40 pmSAN - BOI
1 stop7h 26mDelta
Deal found 11/20$237
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/187:00 amGEG - SAN
Nonstop3h 01mAlaska Airlines
Tue 1/76:20 amSAN - GEG
1 stop6h 23mAlaska Airlines
Deal found 11/20$244
This Delta deal was found by Cheapflights users on 11/21. 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.
Thu 12/126:05 amGEG - SAN
1 stop6h 25mDelta
Mon 1/63:20 pmSAN - GEG
1 stop7h 32mDelta
Deal found 11/21$245
This United Airlines deal was found by Cheapflights users on 11/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/183:55 pmGEG - SAN
1 stop6h 32mUnited Airlines
Wed 12/2511:10 amSAN - GEG
1 stop7h 15mUnited Airlines
Deal found 11/19$261
This Mytrip deal was found by Cheapflights users on 11/19. 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.
Mon 11/259:37 amGEG - SAN
2 stops21h 03mMultiple Airlines
Wed 12/256:06 pmSAN - GEG
1 stop14h 35mMultiple Airlines
Deal found 11/19$271
This Delta deal was found by Cheapflights users on 11/20. 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.
Thu 12/195:35 pmJAC - SAN
1 stop7h 14mDelta
Mon 12/231:29 pmSAN - JAC
1 stop6h 37mDelta
Deal found 11/20$287
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/710:40 amJAC - SAN
1 stop7h 49mUnited Airlines
Wed 12/112:20 pmSAN - JAC
1 stop5h 59mUnited Airlines
Deal found 11/20$308
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 12/137:00 amGEG - SAN
Nonstop3h 01mAmerican Airlines
Sun 1/124:30 pmSAN - GEG
1 stop6h 40mAmerican Airlines
Deal found 11/20$341

Find flights from Idaho to San Diego within your budget

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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

Wed 1/8

7:10 am-10:11 am

Nonstop3h 01m

San Diego

Wed 1/15

7:55 pm-10:51 pm

Nonstop2h 56m

$184

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

Mon 1/13

3:21 pm-8:05 pm

1 stop4h 44m

San Diego

Sat 1/18

8:30 am-1:49 pm

1 stop5h 19m

$186

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

Tue 3/11

1:00 pm-10:47 pm

1 stop9h 47m

San Diego

Wed 3/19

7:00 am-1:28 pm

1 stop6h 28m

$190

SpokaneSan Diego

GEG - SAN

GEGSAN

Spokane

Mon 1/27

3:55 pm-10:30 pm

1 stop6h 35m

San Diego

Fri 1/31

7:00 am-12:48 pm

1 stop5h 48m

$196

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Sun 2/23

8:30 am-9:58 am

Nonstop2h 28m

San Diego

Tue 2/25

1:39 pm-8:29 pm

1 stop5h 50m

$197

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Tue 12/3

11:51 am-9:15 am

1 stop22h 24m

San Diego

Tue 12/10

7:15 pm-2:50 pm

1 stop18h 35m

$198

JacksonSan Diego

JAC - SAN

JACSAN

Jackson Hole

Wed 1/29

4:20 pm-9:10 pm

1 stop5h 50m

San Diego

Sun 2/2

6:15 am-1:01 pm

1 stop5h 46m

$198

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Thu 1/9

10:39 am-6:31 pm

2 stops8h 52m

San Diego

Sat 1/11

7:26 pm-9:49 am

1 stop13h 23m

$206

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Thu 12/12

2:15 pm-7:53 pm

1 stop6h 38m

San Diego

Fri 12/13

2:20 pm-9:24 pm

1 stop6h 04m

$228

JacksonSan Diego

JAC - SAN

JACSAN

Jackson Hole

Fri 1/10

5:35 pm-11:58 pm

1 stop7h 23m

San Diego

Mon 1/13

6:15 am-12:15 pm

1 stop5h 00m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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.

Travel insights for flights from Idaho to San Diego

Get recent, data-driven insights about flights from Idaho to San Diego including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Idaho to San Diego (average of $266). Flying from Idaho to San Diego in March is currently the most expensive (average of $339). 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 November 21, 2024.

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.

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 November 21, 2024.
Peruse reviews from past customers who have flown with Alaska Airlines, American Airlines 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.
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,759 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,173 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

WestJet
7.3
Good
2,810 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

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 Alaska 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 Boise Air Term. Gowen Fld - San Diego or Jackson Hole - San Diego, Spokane - 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: Hawaiian Airlines (85%), Southwest (80%), SkyWest Airlines (79%).

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

    The cheapest flight price from Idaho to San Diego is $108. On average you can expect to pay $360. The most popular route, (Spokane - San Diego), can usually be booked for $176.

  • 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, September is the cheapest month in which you can book a flight from Idaho to San Diego (average of $266). Flying from Idaho to San Diego in March is currently the most expensive (average of $339). 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

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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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$78Average$150FlexibilityNo cancel feeOn-time65%
DeltaCheapest$167Average$456FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$178Average$363FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$219Average$314FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$228Average$437FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$254Average$384FlexibilityNo cancel feeOn-time71%
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