Cheap United Flights from San Juan to San Diego (SJU→SAN)

View AU$678 flight on Sun, 15 Mar 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.

Frequently asked questions

How much is a United Airlines flight from Luis Munoz Marin Intl. Airport (SJU) to San Diego Intl. Airport (SAN)?
Landing cheap one-way United Airlines flights from SJU to SAN from AU$678 on Expedia is a cinch — just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares for your next exciting holiday.**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 SJU to SAN with United Airlines?
United Airlines flights to San Diego tend to be cheaper in the low-season months of January and November. Whether you need a one-way or a return ticket, you could find a better deal then.
Does United Airlines fly nonstop from Luis Munoz Marin Intl. Airport (SJU) to San Diego Intl. Airport (SAN)?
To see if there's a direct trip from SJU to SAN with United Airlines or another carrier, check the "Nonstop" box when browsing for tickets.
What airports does United Airlines fly into in San Diego?
United Airlines flights from Luis Munoz Marin Intl. Airport (SJU) to San Diego arrive at San Diego Intl. Airport (SAN). This is the main entry point to this city.
Can I change or cancel my United Airlines flight from Luis Munoz Marin Intl. Airport (SJU) to San Diego Intl. Airport (SAN)?
Depending on your ticket type, a fee is typically charged if you modify or cancel your flight more than 24 hours after it's been confirmed. To secure flexible plane tickets, select our "Changes included" and "No cancel fee" boxes when you search for flights. To learn more about cancelling or changing your reservation, head to "Trips," select your flight and tick "Manage Booking."

Travel information

Origin airport
Luis Munoz Marin Intl.
Destination airport
San Diego Intl.
Distance
5288 km

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