HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boise

$57+ Cheap flights from San Diego to Boise (SAN - BOI)

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BOI
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 San Diego to Boise 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 San Diego to Boise Air Term. Gowen Fld are usually found in April or May, booked 64 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from San Diego to Boise

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Boise (BOI). 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

$197
(Alaska Airlines)

One-way from

$76
(FlightHub)

Popular in

March

Cheapest in

April

Average price

$272

Good round-trip deal

$257 or less

Good one-way deal

$138 or less
From San Diego to Boise Air Term. Gowen Fld
Search Deals
One-way flight from San Diego to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($17 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 San Diego to Boise Air Term. Gowen Fld.
Search Deals
Price to beat on a one-way flight from San Diego to Boise Air Term. Gowen Fld.
Search Deals

Find flight deals from San Diego to Boise

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

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 8/198:12 pmSAN - BOI
Nonstop2h 18mAlaska Airlines
Sat 8/308:18 pmBOI - SAN
Nonstop2h 22mAlaska Airlines
Deal found 6/9$197
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.
Sat 10/257:56 amSAN - BOI
Nonstop2h 31mHawaiian Airlines
Wed 11/57:04 amBOI - SAN
1 stop6h 08mHawaiian Airlines
Deal found 6/10$200
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/186:15 amSAN - BOI
1 stop11h 37mSpirit Airlines
Mon 7/217:48 pmBOI - SAN
1 stop4h 18mSpirit Airlines
Deal found 6/10$202
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/304:00 pmSAN - BOI
1 stop5h 57mDelta
Tue 8/57:30 amBOI - SAN
1 stop8h 10mDelta
Deal found 6/9$217
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/98:12 pmSAN - BOI
Nonstop2h 18mMultiple Airlines
Fri 7/117:48 pmBOI - SAN
1 stop4h 18mMultiple Airlines
Deal found 6/11$221
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/163:55 pmSAN - BOI
1 stop6h 10mSouthwest
Sat 8/2310:30 amBOI - SAN
2 stops7h 25mSouthwest
Deal found 6/10$222
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 7/2110:54 amSAN - BOI
1 stop4h 03mUnited Airlines
Tue 7/2210:42 amBOI - SAN
2 stops11h 08mUnited Airlines
Deal found 6/11$343
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2511:59 amSAN - BOI
1 stop22h 48mFrontier
Sun 6/2912:36 pmBOI - SAN
1 stop22h 16mFrontier
Deal found 6/11$369

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to Boise 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 San Diego to Boise that are best for you.

Fly from

San Diego

Fly to

Boise

Route

Depart

Return

Price

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Tue 8/19

8:12 pm-11:30 pm

Nonstop2h 18m

Boise Air Term. Gowen Fld

Sat 8/30

8:18 pm-9:40 pm

Nonstop2h 22m

$197

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Fri 7/18

6:15 am-6:52 pm

1 stop11h 37m

Boise Air Term. Gowen Fld

Mon 7/21

7:48 pm-11:06 pm

1 stop4h 18m

$202

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Sat 8/16

12:23 pm-7:41 pm

1 stop6h 18m

Boise Air Term. Gowen Fld

Sat 8/23

8:18 pm-9:40 pm

Nonstop2h 22m

$207

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Wed 7/30

4:00 pm-10:57 pm

1 stop5h 57m

Boise Air Term. Gowen Fld

Tue 8/5

7:30 am-2:40 pm

1 stop8h 10m

$217

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Wed 7/9

8:12 pm-11:30 pm

Nonstop2h 18m

Boise Air Term. Gowen Fld

Fri 7/11

7:48 pm-11:06 pm

1 stop4h 18m

$221

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Sat 8/16

3:55 pm-11:05 pm

1 stop6h 10m

Boise Air Term. Gowen Fld

Sat 8/23

10:30 am-4:55 pm

2 stops7h 25m

$222

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Mon 6/23

10:43 am-4:41 pm

1 stop4h 58m

Boise Air Term. Gowen Fld

Tue 7/8

7:15 pm-12:15 am

1 stop6h 00m

$327

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Wed 6/25

11:59 am-11:47 am

1 stop22h 48m

Boise Air Term. Gowen Fld

Sun 6/29

12:36 pm-9:52 am

1 stop22h 16m

$369

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Mon 8/11

6:15 am-6:52 pm

1 stop11h 37m

$57

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Tue 9/16

6:15 am-1:13 pm

1 stop5h 58m

$88

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 16 results
1
2

Best time to book a flight from San Diego to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise 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.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Boise

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

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

To ensure you get the cheapest price possible for a flight from San Diego to Boise, you should look to book at least 64 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 San Diego to Boise?

Currently, October is the cheapest month in which you can book a flight from San Diego to Boise (average of $314). Flying from San Diego to Boise in June is currently the most expensive (average of $395). 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 BOI?

Find hourly flight availability from San Diego to Boise. 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.

A simple way to save on the total cost of your ticket is to fly from San Diego to Boise at noon. If you’re flexible enough to do this you can expect to save up to 43% on your trip compared to booking a flight in the afternoon.

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

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

Travelers seeking maximum savings on their San Diego to Boise flight should consider departing on Sunday at noon 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.

Rainfall in Boise by month

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

In terms of precipitation, rainfall in Boise 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 Boise when rainfall is around 0.2 in.

Temperature in Boise by month

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

If weather is an important factor for your trip to Boise, 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 Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from San Diego to Boise by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

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 San Diego to Boise. 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 San Diego to Boise?

    If you wish to fly to Boise from San Diego, then you need to book flights from San Diego to Boise Air Term. Gowen Fld. There are 2 flights from San Diego (SAN) to Air Term. Gowen Fld (BOI) per day to choose from. Flights to Boise from San Diego are available from 6 different airlines, which means you should have some options if you want to compare airfare deals. 2h 05m is how long a nonstop flight from San Diego to Boise Air Term. Gowen Fld typically takes.

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

    Flights from San Diego to Boise Air Term. Gowen Fld have been viewed 17 times in the past calendar month.

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

    Cheapflights users have booked flights from San Diego to Boise round-trip from $197. Other airlines that can offer you cheap pricing are Spirit Airlines, from $202, and Hawaiian Airlines, from $207. Users have found that Alaska Airlines is 37% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $76 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 San Diego to Boise?

    Before booking your flight to Boise from San Diego, check out the most reliable airlines to get you to your destination on time: Southwest (97%), Horizon Air (95%), Hawaiian Airlines( 86%).

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

    The cheapest flight price from San Diego to Boise is $88. On average you can expect to pay $257. The most popular route, (San Diego - Boise Air Term. Gowen Fld), can usually be booked for $162.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from San Diego to Boise (average of $314). Flying from San Diego to Boise in June is currently the most expensive (average of $395). 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 San Diego?

Book flights to San Diego if you plan to visit one of these locations
Nampa
Meridian
Ontario
McCall
Caldwell

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 Boise

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

Top 6 airlines flying from San Diego to Boise

Discover the top 6 airlines that operate flights from San Diego to Boise. 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$88Average$161FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$158Average$268FlexibilityNo cancel feeOn-time69%
DeltaCheapest$158Average$241FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$185Average$362FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$187Average$316FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$197Average$284FlexibilityNo 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.