United Cheap Flights from Sacramento to San Diego: UA SMF→SAN

View HK$884 flight on Sat, 15 Nov 2025Opens in a new window
    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Prices were available within the past 7 days and start at HK$884 for one-way flights and HK$1,575 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 15 Nov - Wed, 19 Nov
SMF
Sacramento
SAN
San Diego
HK$1,575 Return, found 6 days ago
HK$1,575
Return
found 6 days ago
Select United flight, departing Sat, 15 Nov from Sacramento to San Diego, returning Wed, 19 Nov, priced at HK$1,575 found 6 days ago
United
Sat, 15 Nov - Wed, 19 Nov
SMF
Sacramento
SAN
San Diego
HK$1,768 Return, found 6 days ago
HK$1,768
Return
found 6 days ago
Select United flight, departing Sat, 15 Nov from Sacramento to San Diego, returning Wed, 19 Nov, priced at HK$1,768 found 6 days ago
Sacramento to San Diego route information
Origin airport
Sacramento Intl.
Destination airport
San Diego Intl.
Distance
767 km
Average flight time
1 hour 30 mins

Frequently asked questions

How much is a United Airlines flight from Sacramento Intl. Airport (SMF) to San Diego Intl. Airport (SAN)?
You can discover cheap return United Airlines flights from HK$1,575 from SMF to SAN by sorting your results from "Price (lowest to highest)" on Expedia. Or search for options from HK$884 for a one-way trip.**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 SMF to SAN with United Airlines?
Look for return or one-way flights to San Diego in January or November. You could find a cheap fare with United Airlines during these quieter months.
Does United Airlines fly nonstop from Sacramento Intl. Airport (SMF) to San Diego Intl. Airport (SAN)?
Simply enter your dates, press search and check the "Nonstop" filter on Expedia to browse any direct flights from SMF to SAN with United Airlines or another airline.
What airports does United Airlines fly into in San Diego?
Hop on a United Airlines flight from Sacramento Intl. Airport (SMF) to San Diego, and you're most likely to arrive at San Diego Intl. Airport (SAN). This is the airline's primary hub here.
Can I change or cancel my United Airlines flight from Sacramento Intl. Airport (SMF) to San Diego Intl. Airport (SAN)?
It's usually possible to reschedule or cancel your flight, although additional charges may apply if you booked more than 24 hours ago. Need to keep your options open? Use our "No cancel fee" or "Changes included" filter to find flights that won't charge you extra if you have to alter your plans. To make changes, head to "Trips," select your flight and click on "Manage Booking" for more information.
*Available to Expedia members.