San Diego

$31+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SAN
Apr 2 — Apr 91
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 May or April, booked 57 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$198
(Delta)

One-way from

$31
(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.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-San Diego flights.
From Boise Air Term. Gowen Fld to San Diego
One-way flight from Boise Air Term. Gowen Fld to San Diego
Highest demand for flights based on searches. 11% potential increase in price ($38 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from Boise Air Term. Gowen Fld to San Diego.
Price to beat on a one-way flight from Boise Air Term. Gowen Fld to San Diego.

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 March 28, 2025.

This Delta deal was found by Cheapflights users on 3/27. 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.
Sat 4/262:20 pmBOI - SAN
1 stop7h 12mDelta
Mon 4/281:30 pmSAN - BOI
1 stop7h 31mDelta
Deal found 3/27$198
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 5/287:58 pmBOI - SAN
Nonstop2h 21mAlaska Airlines
Sat 5/316:15 amSAN - BOI
1 stop9h 56mAlaska Airlines
Deal found 3/26$200
This Southwest deal was found by Cheapflights users on 3/26. 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.
Wed 5/73:00 pmBOI - SAN
1 stop3h 55mSouthwest
Sat 5/102:15 pmSAN - BOI
Nonstop2h 15mSouthwest
Deal found 3/26$202
This Mytrip deal was found by Cheapflights users on 3/27. 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 4/251:52 pmBOI - SAN
2 stops26h 27mSpirit Airlines
Sun 4/279:08 pmSAN - BOI
1 stop14h 49mSpirit Airlines
Deal found 3/27$213
This Hawaiian Airlines deal was found by Cheapflights users on 3/25. 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 10/81:30 pmBOI - SAN
1 stop7h 36mHawaiian Airlines
Sat 10/116:15 amSAN - BOI
1 stop6h 30mHawaiian Airlines
Deal found 3/25$216
This United deal was found by Cheapflights users on 3/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/166:30 amBOI - SAN
2 stops9h 24mUnited Airlines
Wed 4/236:15 amSAN - BOI
1 stop5h 29mUnited Airlines
Deal found 3/26$232
This Mytrip deal was found by Cheapflights users on 3/27. 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 4/262:11 pmBOI - SAN
2 stops35h 31mMultiple Airlines
Mon 4/286:15 amSAN - BOI
1 stop5h 42mMultiple Airlines
Deal found 3/27$239
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Thu 5/2212:36 pmBOI - SAN
1 stop12h 23mFrontier
Mon 5/266:41 amSAN - BOI
1 stop28h 10mFrontier
Deal found 3/27$286
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Tue 4/86:37 amBOI - SAN
1 stop6h 24mAmerican Airlines
Sat 4/126:29 amSAN - BOI
1 stop5h 52mAmerican Airlines
Deal found 3/26$417

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 March 28, 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

Sat 4/26

2:20 pm-8:32 pm

1 stop7h 12m

San Diego

Mon 4/28

1:30 pm-10:01 pm

1 stop7h 31m

$198

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Wed 5/28

7:58 pm-9:19 pm

Nonstop2h 21m

San Diego

Sat 5/31

6:15 am-5:11 pm

1 stop9h 56m

$200

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Wed 5/7

3:00 pm-5:55 pm

1 stop3h 55m

San Diego

Sat 5/10

2:15 pm-5:30 pm

Nonstop2h 15m

$202

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Fri 4/25

1:52 pm-3:19 pm

2 stops26h 27m

San Diego

Sun 4/27

9:08 pm-12:57 pm

1 stop14h 49m

$213

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Fri 4/18

5:27 pm-6:47 pm

Nonstop2h 20m

San Diego

Sun 4/20

6:15 am-1:09 pm

1 stop5h 54m

$217

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Wed 4/16

6:30 am-2:54 pm

2 stops9h 24m

San Diego

Wed 4/23

6:15 am-12:44 pm

1 stop5h 29m

$232

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Sat 4/26

2:11 pm-12:42 am

2 stops35h 31m

San Diego

Mon 4/28

6:15 am-12:57 pm

1 stop5h 42m

$239

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Thu 5/22

12:36 pm-11:59 pm

1 stop12h 23m

San Diego

Mon 5/26

6:41 am-11:51 am

1 stop28h 10m

$286

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Tue 4/8

6:37 am-12:01 pm

1 stop6h 24m

San Diego

Sat 4/12

6:29 am-1:21 pm

1 stop5h 52m

$417

BoiseSan Diego

BOI - SAN

BOISAN

Boise Air Term. Gowen Fld

Wed 4/30

1:52 pm-12:42 am

1 stop11h 50m

$31

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 16 results
1
2

Compare providers for flights from Boise to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to San Diego in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightsMojoPrice Accuracy-Trust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 21, 2025.

To ensure you get the cheapest price possible for a flight from Boise to San Diego, you should look to book at least 57 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 March 28, 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 11% versus a flight in the morning.

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 March 23, 2025.

Travelers seeking maximum savings on their Boise to San Diego flight should consider departing on Monday evenings when fares are most often at their lowest. Tuesday evenings 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 March 28, 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 (2 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 March 28, 2025.
To help decide which airline to fly from Boise to San Diego, see what other customers have to say about Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
8.0
Very good

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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?

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

    Delta, at $198, was found to be the cheapest airline from Boise to San Diego.Alternate airlines to your destination round-trip include Alaska Airlines and Southwest. Users have found that Delta is 36% 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 $31 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $79 and Alaska Airlines from $99 one-way.

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

    Consider Japan Airlines (86%), SkyWest Airlines (85%) or Hawaiian Airlines (80%) 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 $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 $71.

  • 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
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

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.

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$85Average$151FlexibilityNo cancel feeOn-time65%
DeltaCheapest$171Average$257FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$177Average$329FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$184Average$341FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$226Average$321FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$231Average$307FlexibilityNo cancel feeOn-time85%
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.