Idaho

$52+ Cheap flights from San Diego (SAN) to Idaho

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BOI
Dec 23 — Dec 301
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Idaho with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Diego to Idaho

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Idaho (USID). 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 December 18, 2024.

Round-trip from

$195
(Travelocity)

One-way from

$52
(Kiwi.com)
From San Diego to Idaho
One-way flight from San Diego to Idaho

Find flight deals from San Diego to Idaho

Cheapest flights from San Diego to Idaho
Explore the most affordable flight options available from San Diego to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This CheapOair deal was found by Cheapflights users on 12/17. 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.
Sat 12/286:06 pmSAN - BOI
1 stop15h 56mSpirit Airlines
Thu 1/211:57 amBOI - SAN
1 stop11h 15mSpirit Airlines
Deal found 12/17$306
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/317:55 pmSAN - GEG
Nonstop2h 58mAlaska Airlines
Sat 1/112:34 pmGEG - SAN
1 stop4h 51mAlaska Airlines
Deal found 12/17$323
This Delta deal was found by Cheapflights users on 12/17. 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.
Wed 12/255:10 pmSAN - IDA
1 stop4h 16mDelta
Wed 1/86:57 pmIDA - SAN
2 stops26h 34mDelta
Deal found 12/17$325
This Delta deal was found by Cheapflights users on 12/17. 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.
Tue 12/314:06 pmSAN - GEG
1 stop4h 42mDelta
Sun 1/125:00 amGEG - SAN
1 stop7h 30mDelta
Deal found 12/17$332
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 12/297:25 pmSAN - BOI
Nonstop2h 25mAlaska Airlines
Wed 1/812:04 pmBOI - SAN
2 stops9h 15mAlaska Airlines
Deal found 12/17$333
This Travelocity deal was found by Cheapflights users on 12/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:15 amSAN - BOI
1 stop7h 46mMultiple Airlines
Sat 1/411:57 amBOI - SAN
1 stop11h 15mMultiple Airlines
Deal found 12/18$347
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/2511:10 amSAN - GEG
1 stop7h 15mUnited Airlines
Wed 1/17:00 amGEG - SAN
1 stop5h 44mUnited Airlines
Deal found 12/17$383
This Mytrip deal was found by Cheapflights users on 12/17. 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.
Sat 12/286:15 amSAN - IDA
2 stops24h 52mMultiple Airlines
Mon 1/64:28 pmIDA - SAN
2 stops21h 59mMultiple Airlines
Deal found 12/17$392
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/299:58 amSAN - BOI
1 stop5h 55mAmerican Airlines
Wed 1/111:21 amBOI - SAN
1 stop5h 04mAmerican Airlines
Deal found 12/17$406
This Delta deal was found by Cheapflights users on 12/16. 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.
Mon 12/306:15 amSAN - BOI
1 stop5h 05mDelta
Fri 1/37:55 pmBOI - SAN
1 stop4h 54mDelta
Deal found 12/16$407
This Southwest deal was found by Cheapflights users on 12/18. 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.
Fri 12/275:35 pmSAN - BOI
1 stop6h 10mSouthwest
Tue 12/313:30 pmBOI - SAN
1 stop5h 50mSouthwest
Deal found 12/18$456
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 12/256:15 amSAN - IDA
2 stops16h 44mAlaska Airlines
Thu 1/98:00 amIDA - SAN
2 stops9h 15mAlaska Airlines
Deal found 12/17$463

Find flights from San Diego to Idaho within your budget

Customize your flight search to find flights from San Diego to Idaho 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Sun 1/19

1:31 pm-6:43 pm

1 stop4h 12m

Boise Air Term. Gowen Fld

Thu 1/23

8:10 am-9:37 am

Nonstop2h 27m

$195

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Thu 1/2

6:06 pm-11:02 am

1 stop15h 56m

Boise Air Term. Gowen Fld

Sun 1/5

11:57 am-1:27 pm

1 stop26h 30m

$196

San DiegoJackson

SAN - JAC

SANJAC

San Diego

Fri 1/10

6:15 am-2:17 pm

1 stop7h 02m

Jackson Hole

Wed 1/15

12:47 pm-8:10 pm

1 stop8h 23m

$198

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Thu 1/9

6:52 pm-11:53 pm

1 stop5h 01m

Spokane

Tue 1/14

7:10 am-10:11 am

Nonstop3h 01m

$203

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Sat 3/1

7:55 pm-1:03 pm

1 stop16h 08m

Boise Air Term. Gowen Fld

Wed 3/5

2:46 pm-9:14 pm

1 stop7h 28m

$205

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Wed 1/8

5:00 pm-12:03 am

1 stop7h 03m

Spokane

Sun 1/12

5:00 am-10:24 am

1 stop5h 24m

$212

San DiegoIdaho Falls

SAN - IDA

SANIDA

San Diego

Thu 1/9

9:35 am-10:33 pm

1 stop11h 58m

Idaho Falls Fanning Field

Sat 1/11

4:04 pm-10:33 pm

1 stop7h 29m

$220

San DiegoHailey

SAN - SUN

SANSUN

San Diego

Wed 1/29

9:35 am-9:40 am

1 stop23h 05m

Hailey Sun Valley-Friedman

Sat 2/1

6:57 pm-9:48 am

1 stop15h 51m

$220

San DiegoJackson

SAN - JAC

SANJAC

San Diego

Sun 1/12

6:15 am-1:01 pm

1 stop5h 46m

Jackson Hole

Wed 1/22

7:00 am-2:49 pm

2 stops8h 49m

$226

San DiegoJackson

SAN - JAC

SANJAC

San Diego

Tue 1/21

6:15 am-12:15 pm

1 stop5h 00m

Jackson Hole

Mon 1/27

5:35 pm-11:58 pm

1 stop7h 23m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 43 results
1
2
3
...
5

Best time to book a flight from San Diego to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from San Diego 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 San Diego to Idaho

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

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

Currently, October is the cheapest month in which you can book a flight from San Diego to Idaho (average of $314). Flying from San Diego to Idaho in June is currently the most expensive (average of $436). 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 SAN to ID?

Find hourly flight availability from San Diego to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

When flying from San Diego to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Idaho by month

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

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated December 18, 2024.
See what other customers who have flown with Spirit Airlines, Alaska Airlines and Delta from San Diego to Idaho have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
4,848 reviews

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

8.1
Very good
4,848 reviews
8.1
Very good
4,848 reviews

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

8.0
Very good
9,554 reviews
8.1
Very good
4,848 reviews

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

8.0
Very good
8,604 reviews
8.1
Very good
4,848 reviews

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

7.4
Good
9,055 reviews
8.1
Very good
4,848 reviews

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

7.2
Good
10,000 reviews
8.1
Very good
4,848 reviews

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Idaho. 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 from for flights from San Diego to Idaho?

    For a flight from San Diego to Idaho, you will be flying from San Diego. San Diego (SAN) is just 2.6 mi from the center of the city.

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

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $52. However, be on the lookout for offers from Delta and Alaska Airlines, as they are both options that can get you from San Diego to Idaho for a low price.

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

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

    The top 3 most reliable airlines when flying from San Diego to Idaho are Southwest (96%), Japan Airlines (74%) and Hawaiian Airlines (57%).

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

    Looking at all options, your cheapest flight can be booked for $121. While the most popular route (San Diego - Boise Air Term. Gowen Fld) can be booked for $119 on average our data indicates $327 when flying from San Diego to Idaho.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego to Idaho 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 San Diego to Idaho?

    Currently, October is the cheapest month in which you can book a flight from San Diego to Idaho (average of $314). Flying from San Diego to Idaho in June is currently the most expensive (average of $436). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Idaho

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from San Diego to Idaho

Discover the top 6 airlines that operate flights from San Diego to Idaho. 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$83Average$146FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$158Average$427FlexibilityNo cancel feeOn-time69%
DeltaCheapest$158Average$483FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$179Average$351FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$209Average$348FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$257Average$363FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.