$486 Cheap Flights from San Diego (SAN) to Singapore (SIN)

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Find available prices by choosing your travel dates.

Cheap Flights from San Diego to Singapore (SAN-SIN)

Prices were available within the past 7 days and start at $486 for one-way flights and $888 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
United
Cathay Pacific
Delta
Korean Air
Japan Airlines
All Nippon Airways
Singapore Airlines
American Airlines
STARLUX Airlines
Flights from San Diego (SAN) to Singapore (SIN)
Origin airport
San Diego Intl.
Destination airport
Changi
Airlines serving
Air Canada, Air France, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, Delta, Etihad Airways, Finnair, Japan Airlines, KLM, Korean Air, Lufthansa, Qatar Airways, STARLUX Airlines, Singapore Airlines, Swiss International Air Lines, United
Roundtrip price
$887
Distance
8865 mi

San Diego to Singapore Flights

The cheapest times to fly from San Diego to Singapore

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

 

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

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

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 Singapore in 2025. You can also book with separate airlines for your outbound and return journeys, from $486 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 Singapore 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 Singapore 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 Changi Airport (SIN) cost?
Discover the latest flight deals from SAN to SIN 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 SIN?
The cheapest flights from SAN to SIN 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 SIN?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SAN to SIN. 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 Changi Airport (SIN)?
There aren’t any daily direct flights available from San Diego Intl. Airport (SAN) to Changi Airport (SIN). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you’ll be cruising above the clouds in no time.
What day of the week has the most flights from SAN to SIN?
Generally you’ll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the time of year, carrier 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 Changi Airport (SIN)?
Select a flight from San Diego Intl. Airport (SAN) to Changi Airport (SIN) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Changi Airport (SIN) last-minute?
Holding off until just before your trip to book a flight from SAN to SIN often results in higher prices. While you might find some last-minute deals, there’s no guarantee. Keep your travel plans flexible for the best chance of landing a bargain.
Is it cheaper to book a SAN to SIN flight and hotel package?
Securing a SAN to SIN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of accommodations and then add activities, flights and car rentals 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 Changi Airport (SIN)?
In most cases, you can cancel or modify your SAN to SIN flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline’s guidelines and fees on flight changes, or if you want further information, go to our Customer Service portal.

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*Available to One Key members.