Cheap Flights from Sishen (SIS) to San Diego (SAN)

Popular airlines from Sishen (SIS) to San Diego Intl. Airport (SAN)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
Flights from Sishen (SIS) to San Diego (SAN)
Origin airport
Sishen
Destination airport
San Diego Intl.
Distance
10047 mi

Sishen to San Diego Flights

The cheapest times to fly from Sishen to San Diego

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

 

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

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

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 Sishen to San Diego 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 Sishen to San Diego 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 Sishen to San Diego 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 Sishen Airport (SIS) to San Diego Intl. Airport (SAN) cost?
Secure a cheap one-way flight or cheap return flight from Sishen Airport (SIS) to San Diego Intl. Airport (SAN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sishen Airport (SIS) to San Diego Intl. Airport (SAN)?
Flying in can help you save, as it's the cheapest month for flights between SIS and SAN. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Sishen Airport (SIS) to San Diego Intl. Airport (SAN)?
To find the cheapest airline that'll fly you from SIS to SAN, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Sishen Airport (SIS) to San Diego Intl. Airport (SAN)?
There aren't any daily nonstop flights departing from Sishen Airport (SIS) to San Diego Intl. Airport (SAN). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from SIS to SAN?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sishen Airport (SIS) to San Diego Intl. Airport (SAN)?
To land at San Diego Intl. Airport (SAN) on schedule, select a flight that takes off from Sishen Airport (SIS) before 3 PM. The likelihood 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 Sishen Airport (SIS) to San Diego Intl. Airport (SAN) last-minute?
Last-minute fares from SIS to SAN are typically more expensive. To secure the cheapest rates, start searching for flights as soon as possible. That said, if your travel plans are flexible, you may land a cheap ticket right before you leave.
Is it cheaper to book a SIS to SAN flight and hotel package?
Compared with arranging hotels and flights separately, booking a SIS to SAN flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place will take the hassle out of planning your trip. Just pick your flights and select from our extensive range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Sishen Airport (SIS) to San Diego Intl. Airport (SAN)?
If you booked your SIS to SAN flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Explore a world of travel with Expedia

*Available to One Key members.