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$55+ 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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BOI
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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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 November 20, 2024.

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 November 20, 2024.

This Mytrip deal was found by Cheapflights users on 11/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/252:22 pmSAN - BOI
2 stops19h 40mSpirit Airlines
Sun 12/2911:57 amBOI - SAN
1 stop6h 14mSpirit Airlines
Deal found 11/18$181
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.
Sat 12/76:15 amSAN - BOI
1 stop7h 35mMultiple Airlines
Mon 12/911:11 amBOI - SAN
3 stops32h 04mMultiple Airlines
Deal found 11/19$190
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/124:55 pmSAN - GEG
1 stop7h 00mAlaska Airlines
Sun 12/157:00 amGEG - SAN
Nonstop3h 01mAlaska Airlines
Deal found 11/18$202
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 12/187:00 amSAN - GEG
1 stop8h 16mUnited Airlines
Tue 1/77:02 amGEG - SAN
1 stop7h 47mUnited Airlines
Deal found 11/19$215
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.
Thu 12/56:15 amSAN - IDA
1 stop14h 46mMultiple Airlines
Mon 12/92:43 pmIDA - SAN
2 stops19h 32mMultiple Airlines
Deal found 11/20$230
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.
Fri 12/132:00 pmSAN - JAC
1 stop6h 11mDelta
Tue 12/171:20 pmJAC - SAN
1 stop3h 45mDelta
Deal found 11/20$236
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.
Sun 12/87:00 amSAN - JAC
1 stop5h 19mUnited Airlines
Wed 12/114:25 pmJAC - SAN
1 stop5h 28mUnited Airlines
Deal found 11/20$238
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/173:40 pmSAN - BOI
1 stop5h 44mDelta
Tue 12/245:59 amBOI - SAN
1 stop4h 11mDelta
Deal found 11/19$241
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/99:11 pmSAN - BOI
2 stops14h 57mAlaska Airlines
Wed 12/1112:45 pmBOI - SAN
1 stop7h 00mAlaska Airlines
Deal found 11/19$249
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/107:25 amSAN - GEG
1 stop6h 35mDelta
Fri 1/35:05 amGEG - SAN
1 stop5h 26mDelta
Deal found 11/19$256
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/127:55 pmSAN - GEG
Nonstop2h 52mAmerican Airlines
Sun 12/157:00 amGEG - SAN
Nonstop3h 01mAmerican Airlines
Deal found 11/19$263
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 12/43:59 pmSAN - LWS
1 stop6h 31mUnited Airlines
Sun 12/85:30 amLWS - SAN
1 stop7h 23mUnited Airlines
Deal found 11/19$278

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

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Fly to

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Route

Depart

Return

Price

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Wed 12/25

2:22 pm-11:02 am

2 stops19h 40m

Boise Air Term. Gowen Fld

Sun 12/29

11:57 am-5:11 pm

1 stop6h 14m

$181

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Mon 1/27

11:10 am-8:29 pm

1 stop8h 19m

Boise Air Term. Gowen Fld

Tue 1/28

7:30 am-2:25 pm

1 stop7h 55m

$186

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Sat 12/7

6:15 am-2:50 pm

1 stop7h 35m

Boise Air Term. Gowen Fld

Mon 12/9

11:11 am-6:15 pm

3 stops32h 04m

$190

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Mon 1/27

9:19 pm-12:37 pm

2 stops14h 18m

Boise Air Term. Gowen Fld

Tue 1/28

6:20 pm-10:33 pm

1 stop5h 13m

$194

San DiegoJackson

SAN - JAC

SANJAC

San Diego

Mon 2/3

6:15 am-2:17 pm

1 stop7h 02m

Jackson Hole

Fri 2/7

2:57 pm-9:03 pm

1 stop7h 06m

$198

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Sat 5/10

4:00 pm-8:59 pm

1 stop4h 59m

Spokane

Sat 5/17

7:00 am-9:50 am

Nonstop2h 50m

$202

San DiegoJackson

SAN - JAC

SANJAC

San Diego

Wed 1/8

6:15 am-2:39 pm

1 stop7h 24m

Jackson Hole

Wed 1/15

7:00 am-2:49 pm

2 stops8h 49m

$203

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Tue 4/29

6:20 am-1:09 pm

1 stop6h 49m

Spokane

Sat 5/3

1:15 pm-8:38 pm

1 stop7h 23m

$212

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Thu 2/13

6:30 am-12:30 pm

1 stop5h 00m

Boise Air Term. Gowen Fld

Sun 2/16

2:05 pm-3:25 pm

Nonstop2h 20m

$218

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Wed 1/22

7:26 pm-8:49 am

1 stop13h 23m

Spokane

Sun 1/26

9:39 am-1:46 pm

3 stops28h 07m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 50 results
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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, January is the cheapest month in which you can book a flight from San Diego to Idaho (average of $310). 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 November 20, 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 November 20, 2024.
See what other customers who have flown with Spirit Airlines, Southwest and United Airlines 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.
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Comfort

8.1

Boarding

8.2

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.

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Comfort

8.1

Boarding

8.2

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.

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Comfort

8.1

Boarding

8.2

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.

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Comfort

8.1

Boarding

8.2

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.

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Comfort

8.1

Boarding

8.2

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.

WestJet
7.3
Good
2,811 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Comfort

8.1

Boarding

8.2

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?

    Flights from San Diego to Idaho have been viewed 10 times in the past calendar month.

  • 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 $55. However, be on the lookout for offers from United Airlines 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?

    Most travelers choose San Diego - Boise Air Term. Gowen Fld, San Diego - Spokane or San Diego - Jackson Hole when deciding on the best route 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 (74%), Japan Airlines (74%) and Hawaiian Airlines (72%).

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

    Looking at all options, your cheapest flight can be booked for $138. While the most popular route (San Diego - Boise Air Term. Gowen Fld) can be booked for $97 on average our data indicates $344 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, January is the cheapest month in which you can book a flight from San Diego to Idaho (average of $310). 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.

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Alternative routes for San Diego to Idaho

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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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$77Average$147FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$158Average$458FlexibilityNo cancel feeOn-time69%
DeltaCheapest$158Average$474FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$186Average$351FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$218Average$343FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$226Average$359FlexibilityNo cancel feeOn-time71%
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