$80 Cheap United flights San Diego (SAN) to Sacramento (SMF)

View $80 flight on Wed, Sep 17, 2025Opens in a new window

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$80 Cheap United flights San Diego (SAN) to Sacramento (SMF)

Prices were available within the past 7 days and start at $80 for one-way flights and $126 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Sep 5 - Mon, Sep 15
SAN
San Diego
SMF
Sacramento
$126 Roundtrip, found 19 hours ago
$126
Roundtrip
found 19 hours ago
Select United flight, departing Fri, Sep 5 from San Diego to Sacramento, returning Mon, Sep 15, priced at $126 found 19 hours ago
United
Fri, Aug 15 - Wed, Aug 20
SAN
San Diego
SMF
Sacramento
$138 Roundtrip, found 6 hours ago
$138
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Aug 15 from San Diego to Sacramento, returning Wed, Aug 20, priced at $138 found 6 hours ago
United
Mon, Aug 18 - Tue, Aug 26
SAN
San Diego
SMF
Sacramento
$139 Roundtrip, just found
$139
Roundtrip
just found
Select United flight, departing Mon, Aug 18 from San Diego to Sacramento, returning Tue, Aug 26, priced at $139 just found
United
Wed, Sep 17 - Thu, Sep 25
SAN
San Diego
SMF
Sacramento
$159 Roundtrip, just found
$159
Roundtrip
just found
Select United flight, departing Wed, Sep 17 from San Diego to Sacramento, returning Thu, Sep 25, priced at $159 just found
Flights from San Diego (SAN) to Sacramento (SMF)
Origin airport
San Diego Intl.
Destination airport
Sacramento Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Popular airline
Alaska Airlines
Distance
479 mi
Average flight time
1 hour 37 mins

Frequently asked questions

How much is a United Airlines flight from San Diego Intl. Airport (SAN) to Sacramento Intl. Airport (SMF)?
Scoring cheap one-way United Airlines flights from SAN to SMF from $80 on Expedia couldn't be simpler --- just filter by "Price (lowest to highest)." Or check out our affordable return fares from $126 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.
What is the cheapest month to fly from SAN to SMF with United Airlines?
Browse for round-trip or one-way flights to Sacramento in January or February. You could find an affordable fare with United Airlines during these quieter months.
What is the cheapest time to book flights from San Diego Intl. Airport (SAN) to Sacramento Intl. Airport (SMF) with United Airlines?
Start searching one to three months ahead of your travel date to get cheap fares on United Airlines flights from San Diego Intl. Airport (SAN) to Sacramento Intl. Airport (SMF). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic journeys.*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.
Does United Airlines fly nonstop from San Diego Intl. Airport (SAN) to Sacramento Intl. Airport (SMF)?
To figure out if there's a direct trip from SAN to SMF with United Airlines or other airlines, check the "Nonstop" box when looking for tickets.
What is the earliest United Airlines flight from SAN to SMF?
Find United Airlines's earliest flights from SAN to SMF by using the "Early Morning" and "Morning" filters. Not only will you arrive sooner, early departures also have a 20% less chance of being 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.
What airports does United Airlines fly into in Sacramento?
Sacramento Intl. Airport (SMF) is the primary Sacramento gateway for United Airlines flights from San Diego Intl. Airport (SAN).
Why fly with United Airlines from SAN to SMF?
Offering a rewarding loyalty program, United Airlines is a top pick for many travelers journeying from SAN to SMF. Plus, if you're a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from San Diego Intl. Airport (SAN) to Sacramento Intl. Airport (SMF)?
Changes are typically free within 24 hours of making your booking, but your airline may charge a fee after that time. For further details about modifying your reservation, check out your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to change your itinerary without additional costs, tick the "Changes included" or "No cancel fee" filter when organizing your next adventure.

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*Available to One Key members.