Cheap Flights from Boise (BOI) to San Diego (SDM)

Popular airlines from Boise Airport (BOI) to San Diego, CA (SDM-Brown Field Municipal)

Alternative airports near San Diego

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Diego Intl. SAN. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $133
SAN
San Diego Intl.
CheapestClosest
Average driving time to city center5 min
Flights from $133
Select flight to General Abelardo L. Rodriguez Intl. TIJ. Average driving time to city center is 26 minutes. Flights from $745
TIJ
General Abelardo L. Rodriguez Intl.
Average driving time to city center26 min
Flights from $745
Flights from Boise (BOI) to San Diego (SDM)
Origin airport
Boise
Destination airport
Brown Field Municipal
Distance
761 mi

Boise to San Diego Flights

The cheapest times to fly from Boise to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boise to San Diego are during the month of . You can find some of the cheapest flights from Boise to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boise to San Diego

Sunday is one of the best days to book for cheap flights from Boise to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boise to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boise to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boise to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boise to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Boise Airport (BOI) to San Diego, CA (SDM-Brown Field Municipal) cost?
Grab a cheap one-way flight or cheap return flight from Boise Airport (BOI) to San Diego, CA (SDM-Brown Field Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Boise Airport (BOI) to San Diego, CA (SDM-Brown Field Municipal)?
The cheapest month to fly from BOI to SDM is , when demand is low. Off-peak season is generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Boise Airport (BOI) to San Diego, CA (SDM-Brown Field Municipal)?
To find the cheapest airline flying from BOI to SDM, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Boise Airport (BOI) to San Diego, CA (SDM-Brown Field Municipal)?
You'll have to catch a flight with a layover if you're traveling from Boise Airport (BOI) to San Diego, CA (SDM-Brown Field Municipal). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from BOI to SDM?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Boise Airport (BOI) to San Diego, CA (SDM-Brown Field Municipal)?
To avoid possible delays on the Boise Airport (BOI) to San Diego, CA (SDM-Brown Field Municipal) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Diego County from Boise Airport (BOI)?
Compare your flight options from Boise Airport (BOI) to San Diego Intl. Airport (SAN). This is the only San Diego County airport you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Boise Airport (BOI) to San Diego, CA (SDM-Brown Field Municipal) last-minute?
Booking your ticket from BOI to SDM shortly before your trip is generally more expensive. However, if you're flexible with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a BOI to SDM flight and hotel package?
Booking a BOI to SDM flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our wide range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boise Airport (BOI) to San Diego, CA (SDM-Brown Field Municipal)?
It's generally possible to reschedule or cancel your BOI to SDM flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.