Cheap Delta Flights from Boise to San Diego (BOI→SAN)

View AU$322 flight on Fri, 16 Jan. 2026Opens in a new window
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Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Flight from Boise to San Diego route information
Origin airport
Boise
Destination airport
San Diego Intl.
Distance
1200 km
Average flight time
1 hour 44 mins

Frequently asked questions

How much is a Delta Air Lines flight from Boise Airport (BOI) to San Diego Intl. Airport (SAN)?
Landing cheap one-way Delta Air Lines flights from BOI to SAN from AU$322 on Expedia is a breeze — just filter by "Price (lowest to highest)." Or check out our affordable return fares for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BOI to SAN with Delta Air Lines?
Delta Air Lines flights to San Diego are usually cheaper in the off-peak months of January and November. Whether you need a round-trip or one-way ticket, you could land a better deal then.
Does Delta Air Lines fly nonstop from Boise Airport (BOI) to San Diego Intl. Airport (SAN)?
Click on our "Nonstop" filter when browsing for direct Delta Air Lines flights from BOI to SAN. It's also a great way to compare other airlines servicing the same nonstop route.
What airports does Delta Air Lines fly into in San Diego?
Take a Delta Air Lines flight from Boise Airport (BOI) to San Diego, and you're most likely to come in to San Diego Intl. Airport (SAN). This is the airline's primary hub here.
Can I change or cancel my Delta Air Lines flight from Boise Airport (BOI) to San Diego Intl. Airport (SAN)?
It's usually possible to cancel or reschedule your flight, although there may be additional charges if your booking was made more than 24 hours ago. Want to keep your options open? Use Expedia's "No cancel fee" and "Changes included" filters to find flights that won't charge you extra if you have to revise your plans. To make modifications, go to "Trips," select your flight and click on "Manage Booking" for more information.
*Available to Expedia members.