Cheap Flights from San Diego (SAN) to Ukiah (UKI)

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Find available prices by choosing your travel dates.
Flights from San Diego (SAN) to Ukiah (UKI)
Origin airport
San Diego Intl.
Destination airport
Ukiah Regional
Distance
554 mi

San Diego to Ukiah Flights

The cheapest times to fly from San Diego to Ukiah

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Diego to Ukiah are during the month of . You can find some of the cheapest flights from San Diego to Ukiah with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Diego to Ukiah

Sunday is one of the best days to book for cheap flights from San Diego to Ukiah: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from San Diego to Ukiah

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Diego to Ukiah in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Diego to Ukiah flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Diego to Ukiah airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from San Diego Intl. Airport (SAN) to Ukiah, CA (UKI-Ukiah Regional) cost?
Discover the latest flight deals from SAN to UKI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SAN to UKI?
The cheapest flights from SAN to UKI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SAN to UKI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SAN to UKI. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from San Diego Intl. Airport (SAN) to Ukiah, CA (UKI-Ukiah Regional)?
You’ll need to catch a flight with a layover when traveling from San Diego Intl. Airport (SAN) to Ukiah, CA (UKI-Ukiah Regional). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SAN to UKI?
Generally you’ll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Diego Intl. Airport (SAN) to Ukiah, CA (UKI-Ukiah Regional)?
To touch down at Ukiah, CA (UKI-Ukiah Regional) on time, opt for a flight that leaves San Diego Intl. Airport (SAN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Ukiah from San Diego Intl. Airport (SAN)?
If you’re flying on a direct flight from San Diego Intl. Airport (SAN) to Ukiah, Sonoma County Airport (STS) is the only airport you can land at.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Ukiah, CA (UKI-Ukiah Regional) last-minute?
Last-minute fares from SAN to UKI are typically more expensive. For the lowest rates, start looking for flights early. That said, if you can play around with your travel dates, it’s possible to land a cheap ticket right before your journey.
Is it cheaper to book a SAN to UKI flight and hotel package?
Booking a SAN to UKI flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our extensive range of accommodations and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Diego Intl. Airport (SAN) to Ukiah, CA (UKI-Ukiah Regional)?
It’s usually possible to cancel or reschedule your SAN to UKI flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.