Cheap United flights Istanbul (IST) to San Diego (SAN)

Scoring cheap one-way United Airlines flights from IST to SAN on Expedia is a cinch — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares for your next exciting vacation.*

*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.

United Airlines flights to San Diego are often cheaper in the off-peak months of January and November. Whether you're after a round-trip or one-way ticket, you could score a better deal then.

To find out if there's a direct trip from IST to SAN with United Airlines or another airline, check the "Nonstop" box when searching for flights.

Depending on the ticket type you purchased, a fee generally applies if you cancel or change your flight more than 24 hours after it's been confirmed. To find plane tickets with more flexibility, select our "Changes included" or "No cancel fee" filter while searching for flights. For more information on canceling or changing your reservation, head to "Trips," select your flight and click on "Manage Booking."