$120 Cheap United flights Flint (FNT) to San Diego (SAN)

Set the “Price (lowest to highest)” filter on Expedia to find cheap United Airlines round-trip flights from $274 from FNT to SAN. Affordable one-way fares from $120 are also available.**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.

January is one of the cheapest months to travel to San Diego with United Airlines. You could also find excellent prices on one-way and round-trip fares in November.

For cheap United Airlines fares from Bishop Intl. Airport (FNT) to San Diego Intl. Airport (SAN), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence how much you pay. Sunday is usually the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Simply enter your dates, press search and tick the “Nonstop” filter on Expedia to find any direct flights from FNT to SAN with United Airlines or another carrier.

Find United Airlines’s earliest flights from FNT to SAN by using our “Early Morning” and “Morning” filters. Not only will you get to where you’re going sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

United Airlines flights from Bishop Intl. Airport (FNT) to San Diego arrive at San Diego Intl. Airport (SAN). This is the main gateway to this destination.

Journey from FNT to SAN with United Airlines and look forward to a host of benefits including a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you could also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are usually free within 24 hours of making a booking, but your airline may charge a fee after that time. For more information about modifying your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to change your plans without extra charges, tick the “Changes included” and “No cancel fee” filters when planning your next adventure.