$493 Cheap Flights from San Diego (SAN) to Xi'an (XIY)

View $493 flight on Tue, Aug 19, 2025Opens in a new window

Popular airlines from San Diego Intl. Airport (SAN) to Xi'an (XIY-Xianyang Intl.)

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Cheap Flights from San Diego to Xi'an (SAN-XIY)

Prices were available within the past 7 days and start at $493 for one-way flights and $905 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Aug 19 - Tue, Sep 16
SAN
San Diego
XIY
Xi'an
$905 Roundtrip, found 5 days ago
$905
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Aug 19 from San Diego to Xi'an, returning Tue, Sep 16, priced at $905 found 5 days ago
Alaska Airlines
Tue, Aug 19 - Tue, Sep 16
SAN
San Diego
XIY
Xi'an
$933 Roundtrip, found 5 days ago
$933
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Aug 19 from San Diego to Xi'an, returning Tue, Sep 16, priced at $933 found 5 days ago
United
Sat, Aug 16 - Sun, Sep 14
SAN
San Diego
XIY
Xi'an
$972 Roundtrip, found 5 days ago
$972
Roundtrip
found 5 days ago
Select United flight, departing Sat, Aug 16 from San Diego to Xi'an, returning Sun, Sep 14, priced at $972 found 5 days ago
United
Sat, Aug 16 - Fri, Sep 19
SAN
San Diego
XIY
Xi'an
$992 Roundtrip, found 5 days ago
$992
Roundtrip
found 5 days ago
Select United flight, departing Sat, Aug 16 from San Diego to Xi'an, returning Fri, Sep 19, priced at $992 found 5 days ago
Alaska Airlines
Sat, Jul 26 - Sat, Aug 23
SAN
San Diego
XIY
Xi'an
$997 Roundtrip, found 6 days ago
$997
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Jul 26 from San Diego to Xi'an, returning Sat, Aug 23, priced at $997 found 6 days ago
Alaska Airlines
Sat, Jul 26 - Sat, Aug 23
SAN
San Diego
XIY
Xi'an
$1,047 Roundtrip, found 6 days ago
$1,047
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Jul 26 from San Diego to Xi'an, returning Sat, Aug 23, priced at $1,047 found 6 days ago
Delta
Sun, Aug 17 - Sun, Sep 14
SAN
San Diego
XIY
Xi'an
$1,049 Roundtrip, found 5 days ago
$1,049
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Aug 17 from San Diego to Xi'an, returning Sun, Sep 14, priced at $1,049 found 5 days ago
United
Sat, Aug 16 - Sat, Sep 13
SAN
San Diego
XIY
Xi'an
$1,054 Roundtrip, found 5 days ago
$1,054
Roundtrip
found 5 days ago
Select United flight, departing Sat, Aug 16 from San Diego to Xi'an, returning Sat, Sep 13, priced at $1,054 found 5 days ago
Cathay Pacific
Fri, Sep 19 - Fri, Oct 17
SAN
San Diego
XIY
Xi'an
$1,200 Roundtrip, found 9 hours ago
$1,200
Roundtrip
found 9 hours ago
Select Cathay Pacific flight, departing Fri, Sep 19 from San Diego to Xi'an, returning Fri, Oct 17, priced at $1,200 found 9 hours ago
Asiana Airlines
Tue, Aug 19 - Tue, Sep 16
SAN
San Diego
XIY
Xi'an
$1,317 Roundtrip, found 5 days ago
$1,317
Roundtrip
found 5 days ago
Select Asiana Airlines flight, departing Tue, Aug 19 from San Diego to Xi'an, returning Tue, Sep 16, priced at $1,317 found 5 days ago
Flights from San Diego (SAN) to Xi'an (XIY)
Origin airport
San Diego Intl.
Destination airport
Xianyang Intl.
Airlines serving
Air Canada, Air China, Asiana Airlines, Cathay Pacific, Korean Air, Lufthansa
Roundtrip price
$904
Distance
6920 mi

San Diego to Xi'an Flights

The cheapest times to fly from San Diego to Xi'an

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 Xi'an are during the month of August. You can find some of the cheapest flights from San Diego to Xi'an with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Diego to Xi'an

Sunday is one of the best days to book for cheap flights from San Diego to Xi'an: 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 Xi'an

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 Xi'an in 2025. You can also book with separate airlines for your outbound and return journeys, from $493 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 Xi'an 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 Xi'an 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 Xianyang Intl. Airport (XIY) cost?
Discover the latest flight deals from SAN to XIY 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 XIY?
The cheapest flights from SAN to XIY 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 XIY?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SAN to XIY. 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 Xianyang Intl. Airport (XIY)?
There are no daily nonstop flights available from San Diego Intl. Airport (SAN) to Xianyang Intl. Airport (XIY). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from SAN to XIY?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a number of factors, such as the carrier and season.*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 Xianyang Intl. Airport (XIY)?
To arrive at Xianyang Intl. Airport (XIY) without delays, book a flight that takes off from 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.
Is it cheaper to buy a plane ticket from San Diego Intl. Airport (SAN) to Xianyang Intl. Airport (XIY) last-minute?
Booking your ticket from SAN to XIY right before your journey is typically more expensive. But if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a SAN to XIY flight and hotel package?
Opting for a SAN to XIY flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our impressive range of accommodations and then add activities, car rentals and flights to your booking. Bundle it all 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 Xianyang Intl. Airport (XIY)?
If you reserved your SAN to XIY flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.