HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$57+ Cheap flights from Boise to San Diego (BOI - 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise to San Diego 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.

Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to San Diego are usually found in April or October, booked 81 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Cheap flight deals from Boise to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) 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 June 12, 2025.

Round-trip from

$177
(Delta)

One-way from

$59
(Mytrip)

Popular in

November

Cheapest in

April

Average price

$295

Good round-trip deal

$267 or less

Good one-way deal

$163 or less
From Boise Air Term. Gowen Fld to San Diego
Search Deals
One-way flight from Boise Air Term. Gowen Fld to San Diego
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Boise Air Term. Gowen Fld to San Diego.
Search Deals
Price to beat on a one-way flight from Boise Air Term. Gowen Fld to San Diego.
Search Deals

Find flight deals from Boise to San Diego

Cheapest flights from Boise to San Diego
Explore the most affordable flight options available from Boise to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 8/279:00 amBOI - SAN
1 stop6h 40mDelta
Sat 8/301:38 pmSAN - BOI
1 stop4h 27mDelta
Deal found 6/10$177
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Fri 7/118:54 amBOI - SAN
Nonstop2h 25mMultiple Airlines
Mon 7/146:15 amSAN - BOI
1 stop11h 37mMultiple Airlines
Deal found 6/10$189
This Mytrip deal was found by Cheapflights users on 6/12. 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 7/147:48 pmBOI - SAN
1 stop23h 07mSpirit Airlines
Thu 7/179:40 pmSAN - BOI
1 stop20h 12mSpirit Airlines
Deal found 6/12$196
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 8/277:07 amBOI - SAN
Nonstop2h 23mHawaiian Airlines
Sat 8/308:21 pmSAN - BOI
Nonstop2h 22mHawaiian Airlines
Deal found 6/10$197
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 9/97:00 amBOI - SAN
1 stop15h 19mAlaska Airlines
Fri 9/128:55 amSAN - BOI
Nonstop2h 23mAlaska Airlines
Deal found 6/9$210
This Southwest deal was found by Cheapflights users on 6/12. 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.
Thu 7/316:25 pmBOI - SAN
1 stop5h 00mSouthwest
Mon 8/47:00 amSAN - BOI
1 stop6h 05mSouthwest
Deal found 6/12$226
This Frontier deal was found by Cheapflights users on 6/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1012:36 pmBOI - SAN
2 stops20h 10mFrontier
Wed 7/167:04 pmSAN - BOI
2 stops15h 42mFrontier
Deal found 6/10$409

Cheapflights Fare Finder

Customize your flight search to find flights from Boise 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 June 12, 2025.
Use the filters below to find and compare flights from Boise to San Diego that are best for you.

Fly from

Boise

Fly to

San Diego

Route

Depart

Return

Price

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Wed 8/27

9:00 am-2:40 pm

1 stop6h 40m

San Diego

Sat 8/30

1:38 pm-7:05 pm

1 stop4h 27m

$177

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Fri 7/11

8:54 am-10:19 am

Nonstop2h 25m

San Diego

Mon 7/14

6:15 am-6:52 pm

1 stop11h 37m

$189

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Mon 7/14

7:48 pm-5:55 pm

1 stop23h 07m

San Diego

Thu 7/17

9:40 pm-6:52 pm

1 stop20h 12m

$196

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Wed 8/27

7:07 am-8:30 am

Nonstop2h 23m

San Diego

Sat 8/30

8:21 pm-11:43 pm

Nonstop2h 22m

$197

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Sat 8/16

8:21 pm-9:45 pm

Nonstop2h 24m

San Diego

Tue 8/19

9:01 am-11:41 am

1 stop25h 40m

$200

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Thu 7/31

6:25 pm-10:25 pm

1 stop5h 00m

San Diego

Mon 8/4

7:00 am-2:05 pm

1 stop6h 05m

$226

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Thu 7/10

12:36 pm-7:46 am

2 stops20h 10m

San Diego

Wed 7/16

7:04 pm-11:46 am

2 stops15h 42m

$409

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Tue 7/8

10:50 am-8:01 pm

2 stops10h 11m

San Diego

Tue 7/15

6:15 am-4:40 pm

2 stops9h 25m

$474

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Fri 8/22

7:30 pm-7:21 am

1 stop12h 51m

$57

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Wed 9/10

1:53 pm-7:24 pm

1 stop6h 31m

$88

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 17 results
1
2

Best time to book a flight from Boise to San Diego

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

How far ahead should I book a flight from Boise to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Boise to San Diego. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Boise to San Diego, you should look to book at least 81 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Boise to San Diego (average of $286). Flying from Boise 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 BOI to SAN?

Find hourly flight availability from Boise 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 June 12, 2025.

When flying from Boise to San Diego, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 14% versus a flight in the afternoon.

What is the cheapest day to fly from Boise to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Boise to San Diego. Price data was last updated on June 8, 2025.

Travelers seeking maximum savings on their Boise to San Diego flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boise to San Diego

Explore weekly flight availability from Boise 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 June 12, 2025.

The most flights from BOI 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 June 12, 2025.
To help decide which airline to fly from Boise to San Diego, see what other customers have to say about Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Boise 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 airports do I use to fly from Boise to San Diego?

    To fly from Boise to San Diego, you need to book a flight from Air Term. Gowen Fld (BOI) to San Diego (SAN). Nonstop flights to San Diego from Boise Air Term. Gowen Fld take 2h 10m on average. When it comes time to book airfare, you have a few options: there are 5 outbound flights from Air Term. Gowen Fld to San Diego offered by 6 different airlines.

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

    Within the past month, 22 users have taken a look at flights from Boise Air Term. Gowen Fld to San Diego.

  • What are the cheapest airlines flying from Boise to San Diego round-trip?

    Delta, at $177, was found to be the cheapest airline from Boise to San Diego.Alternate airlines to your destination round-trip include Spirit Airlines and Hawaiian Airlines. Users have found that Delta is 43% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $59 on Spirit Airlines. Other airlines that offer cheap prices include American Airlines from $88 and Alaska Airlines from $98 one-way.

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

    Consider Japan Airlines (98%), Horizon Air (95%) or Hawaiian Airlines (94%) when booking your flight. These represent the most reliable airlines when flying from Boise to San Diego.

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

    The cheapest flight price from Boise to San Diego is $101. On average you can expect to pay $260. The most popular route, (Boise Air Term. Gowen Fld - San Diego), can usually be booked for $155.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Boise to San Diego (average of $286). Flying from Boise 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 Boise?

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

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 Boise to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Las Vegas flights
Boise to Los Angeles flights
Spokane to San Diego flights
Boise to Santa Ana flights
Spokane to Los Angeles flights
Spokane to Las Vegas flights
Boise to San Francisco flights
Boise to Ontario flights
Boise to Sacramento flights
Boise to Burbank flights
Spokane to Ontario flights
Spokane to San Francisco flights
Jackson to San Francisco flights
Boise to San Jose flights
Boise to Reno flights
Boise to Long Beach flights
Spokane to Sacramento flights
Idaho Falls to Las Vegas flights
Spokane to Santa Ana flights
Lewiston to Yuma flights
Spokane to Reno flights
Idaho Falls to Los Angeles flights
Spokane to Long Beach flights
Idaho Falls to Santa Ana flights
Boise to Oakland flights
Spokane to Medford flights
Spokane to San Jose flights
Spokane to Fresno flights
Jackson to Las Vegas flights
Spokane to Burbank flights
Idaho Falls to San Diego flights
Idaho Falls to Ontario flights
Boise to Santa Rosa flights
Idaho Falls to Sacramento flights
Jackson to Los Angeles flights
Boise to Medford flights
Idaho Falls to San Francisco flights
Hailey to San Francisco flights
Jackson to San Diego flights
Spokane to Palm Springs flights
Boise to Palm Springs flights
Spokane to San Luis Obispo flights
Boise to Fresno flights
Spokane to Oakland flights
Hailey to Los Angeles flights
Boise to Santa Barbara flights
Idaho Falls to San Jose flights
Twin Falls to Las Vegas flights
Idaho Falls to Oakland flights

Top 6 airlines flying from Boise to San Diego

Discover the top 6 airlines that operate flights from Boise 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$93Average$156FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$138Average$310FlexibilityNo cancel feeOn-time85%
DeltaCheapest$156Average$229FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$185Average$342FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$186Average$309FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$187Average$318FlexibilityNo cancel feeOn-time63%

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.