Boise

$66+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — BOI
Apr 25 — May 21
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Cheapflights Tip: The best prices from San Diego to Boise Air Term. Gowen Fld are usually found in February or September, booked 82 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Cheap 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 March 26, 2026.

This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:20 pm
SAN
-
BOI
Nonstop2h 20m
Southwest
Wed 4/291:05 pm
BOI
-
SAN
Nonstop2h 15m
Southwest
Deal found 3/25$131
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:18 pm
SAN
-
BOI
Nonstop2h 29m
Alaska Airlines
Wed 4/227:43 am
BOI
-
SAN
Nonstop2h 22m
Alaska Airlines
Deal found 3/25$143
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:25 pm
SAN
-
BOI
Nonstop2h 15m
Southwest
Sat 4/183:25 pm
BOI
-
SAN
1 stop3h 35m
Southwest
Deal found 3/25$148
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:30 am
SAN
-
BOI
1 stop23h 38m
Frontier
Sun 4/1911:53 am
BOI
-
SAN
1 stop21h 41m
Frontier
Deal found 3/25$151
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:25 pm
SAN
-
BOI
Nonstop2h 15m
Southwest
Tue 4/214:05 pm
BOI
-
SAN
1 stop4h 20m
Southwest
Deal found 3/25$153
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:18 pm
SAN
-
BOI
Nonstop2h 29m
Alaska Airlines
Mon 4/208:04 pm
BOI
-
SAN
Nonstop2h 19m
Alaska Airlines
Deal found 3/25$155
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:55 pm
SAN
-
BOI
Nonstop2h 25m
Multiple Airlines
Sun 5/171:22 pm
BOI
-
SAN
1 stop11h 28m
Multiple Airlines
Deal found 3/25$161

Find 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 March 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$131
(Southwest)

One-way from

$66
(Alaska Airlines)

Popular in

November

Cheapest in

February

Average price

$307

Good round-trip deal

$247 or less

Good one-way deal

$130 or less
Provider with most accurate pricing for San Diego-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for San Diego-Boise Air Term. Gowen Fld flights.
From San Diego to Boise Air Term. Gowen Fld
One-way flight from San Diego to Boise Air Term. Gowen Fld
Highest demand for flights based on searches. 10% potential increase in price ($33 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from San Diego to Boise Air Term. Gowen Fld.
Price to beat on a one-way flight from San Diego to Boise Air Term. Gowen Fld.

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 March 26, 2026.
Use the filters below to find and compare flights from San Diego to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Thu 4/30

7:37 pm-11:02 pm

Nonstop2h 25m

Boise Air Term. Gowen Fld

Sat 5/2

7:43 am-9:05 am

Nonstop2h 22m

$143

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Thu 4/16

6:35 pm-9:50 pm

Nonstop2h 15m

Boise Air Term. Gowen Fld

Sat 4/18

3:25 pm-6:00 pm

1 stop3h 35m

$148

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Fri 5/1

7:37 pm-11:02 pm

Nonstop2h 25m

Boise Air Term. Gowen Fld

Sun 5/3

9:02 am-8:55 am

1 stop24h 53m

$195

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Fri 5/1

6:55 pm-1:00 am

1 stop5h 05m

Boise Air Term. Gowen Fld

Sun 5/3

2:15 pm-8:20 pm

2 stops7h 05m

$221
Quickest round-trip

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Fri 4/24

6:35 pm-9:50 pm

Nonstop2h 15m

Boise Air Term. Gowen Fld

Mon 4/27

8:50 am-10:05 am

Nonstop2h 15m

$237

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Fri 5/8

6:35 pm-9:50 pm

Nonstop2h 15m

Boise Air Term. Gowen Fld

Sun 5/10

6:30 am-11:15 am

1 stop5h 45m

$247

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Thu 4/16

1:35 pm-6:20 pm

1 stop3h 45m

Boise Air Term. Gowen Fld

Mon 4/20

5:40 pm-10:30 pm

1 stop5h 50m

$252
Cheapest one-way

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Mon 4/20

5:20 pm-12:45 am

1 stop6h 25m

$87

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Tue 4/21

11:40 am-8:00 pm

1 stop7h 20m

$99

San DiegoBoise

SAN - BOI

SANBOI

San Diego

Wed 4/22

8:00 am-10:24 pm

1 stop13h 24m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from San Diego to Boise

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 San Diego to Boise in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 San Diego-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Boise 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 San Diego-Boise 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 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 March 13, 2026.

To ensure you get the cheapest price possible for a flight from San Diego to Boise, you should look to book at least 82 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, May is the cheapest month in which you can book a flight from San Diego to Boise (average of $66). Flying from San Diego to Boise in November is currently the most expensive (average of $164). 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 March 26, 2026.

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 20% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from San Diego to Boise?

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 March 26, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from San Diego to Boise to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Boarding

8.1

Food

7.0

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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 4 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 4 different airlines, which means you should have some options if you want to compare airfare deals. 2h 10m 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?

  • How long is the flight from San Diego to Boise?

    For as low as $148, Alaska Airlines can have you in Boise from San Diego in 2h 15m. The distance from San Diego to Boise is about 750 mi. Most flights are nonstop.

  • 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 $144. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $155, and Southwest, from $157. Users have found that Delta is 46% 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 $78 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $78 and Southwest from $78 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: SkyWest Airlines (89%), Alaska Airlines (85%), Hawaiian Airlines( 85%).

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

    The cheapest flight price from San Diego to Boise is $100. On average you can expect to pay $248. The most popular route, (San Diego - Boise Air Term. Gowen Fld), can usually be booked for $131.

  • 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, May is the cheapest month in which you can book a flight from San Diego to Boise (average of $66). Flying from San Diego to Boise in November is currently the most expensive (average of $164). 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
Ontario
Meridian
Nampa
Caldwell
McCall

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Top 4 airlines flying from San Diego to Boise

Discover the top 4 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 March 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$226FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$155Average$267FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$157Average$275FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$157Average$281FlexibilityNo cancel feeOn-time75%

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