￥33,510 Cheap United flights Boise (BOI) to San Diego (SAN)

View ￥33,510 flight on Sun, Mar 1, 2026Opens in a new window
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￥33,510 Cheap United flights Boise (BOI) to San Diego (SAN)

Prices were available within the past 7 days and start at ￥33,510 for one-way flights and ￥38,520 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jan 28 - Mon, Feb 2
BOI
Boise
SAN
San Diego
￥38,520 Roundtrip, found 4 days ago
￥38,520
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jan 28 from Boise to San Diego, returning Mon, Feb 2, priced at ￥38,520 found 4 days ago

Find the cheapest month to fly from Boise (BOI) to San Diego (SAN)

February is typically the cheapest month to fly

From ￥14,406 - ￥27,967 per traveler.

Frequently asked questions

How much is a United Airlines flight from Boise Airport (BOI) to San Diego Intl. Airport (SAN)?
You'll find cheap round-trip United Airlines flights from ￥38,520 from BOI to SAN by organizing your results from "Price (lowest to highest)" on Expedia. Or search for deals from ￥33,510 for a one-way journey.**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 United Airlines?
United Airlines flights to San Diego are usually cheaper in the low-season months of January and November. Whether you're in search of a one-way or a return ticket, you could score a better deal then.
Does United Airlines fly nonstop from Boise Airport (BOI) to San Diego Intl. Airport (SAN)?
To find out if there's a direct trip from BOI to SAN with United Airlines or other carriers, check the "Nonstop" filter when looking for tickets.
What airports does United Airlines fly into in San Diego?
Catch a United Airlines flight from Boise Airport (BOI) to San Diego, and you'll probably touch down at San Diego Intl. Airport (SAN). This is the airline's main hub in this destination.
Can I change or cancel my United Airlines flight from Boise Airport (BOI) to San Diego Intl. Airport (SAN)?
Depending on your ticket type, a fee generally applies if you modify or cancel your flight more than 24 hours after it's been confirmed. To find flexible plane tickets, select our "No cancel fee" or "Changes included" filter when searching for flights. For additional information on canceling or modifying your reservation, go to "Trips," select your flight and tick "Manage Booking."

Travel information

Origin airport
Boise
Destination airport
San Diego Intl.
Distance
1200 km
Average flight time
1 hour 52 mins
*Available to Expedia members.