Cheap flights from San Diego International to Singapore Changi

Compare San Diego International to Singapore Changi flight deals

Find the cheapest month or even day of the year to fly to Singapore Changi

Book the best Singapore Changi fare with no extra fees

Flight deals from San Diego International to Singapore Changi

Looking for a cheap last-minute deal or the best round-trip flight from San Diego International to Singapore Changi? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from San Diego International to Singapore Changi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Diego International to Singapore Changi flights are currently cheapest in September.

San Diego International to Singapore Changi: Alternative routes

Compare routes from San Diego International to Singapore below. You may find an airport to fly into that's cheaper, faster, or easier than Singapore Changi.

San Diego to Singapore: Flight information

The things to know before you go.
Cheapest flight foundC$1,140
Cheapest month to flySeptember

Finding cheap flights from San Diego International to Singapore Changi: Frequently asked questions

The best price we found for a round-trip flight from San Diego International to Singapore Changi is C$1,140. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Diego International to Singapore Changi. But we found flights with one or more stops from C$1,140.
There are no flights flying from San Diego International to Singapore Changi, as of May 2025.
The cheapest month to fly from San Diego International to Singapore Changi is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Diego International Airport to Singapore Changi Airport on Friday, September 5, 2025.
No airlines currently offer direct flights between San Diego International Airport and Singapore Changi Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Singapore Changi but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Singapore is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Air Canada offers the cheapest flight tickets to Singapore Changi.

Travelling from San Diego International Airport (SAN) to Changi International Airport (SIN): what you need to know

  • Singapore is 15 hours ahead of San Diego and follows the UTC+8 timezone.

  • Your SAN to SIN flight won't wait if you're running late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • During popular months such as July, it's best to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead for an international flight whenever you're travelling during a peak period in general.

  • We make it a piece of cake to book a flight with a stopover. To see all your options for tickets from San Diego International Airport to Changi International Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to visit the city of your choice. Top stopovers between SAN and SIN include:

    • San Francisco International Airport

    • Los Angeles International Airport

    • Seattle-Tacoma International Airport

How to find the cheapest flights from San Diego International Airport (SAN) to Changi International Airport (SIN)

  • The lowest price we've found for a one-way San Diego International Airport to Changi International Airport flight is C$613. A return plane ticket right now is C$1,140. Depending on the availability when you book, these fares could change.

  • To pick up cheap tickets from SAN to SIN, book early. Airlines generally offer lower prices when flights are first released.

  • Finding cheap flights from San Diego International Airport to Changi International Airport is easy if you can be flexible with your trip dates. Use the 'Whole month' tool to see the lowest fares across the month and score a great deal.

  • Getting your hands on cheap flights from SAN to SIN couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as there's a better deal.

  • Tailor your trip with filters. Choose your ideal arrival and departure times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from San Diego International Airport to Changi International Airport.

Handy information about San Diego International Airport (SAN)

  • SAN's address is Airport Drive.

  • Of the departures from San Diego International Airport, 71.38% arrive on time at their destination.

  • To get to San Diego International Airport from central San Diego, it takes around 10 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 5 kilometres from the airport to the city centre.

  • Expect a journey time of about 20 minutes when using public transport.

  • Get your travels off to a relaxed start by staying near SAN. Whether you're taking an early flight from San Diego International Airport to Changi International Airport or want to avoid feeling rushed, these hotels are ideal:

Arriving at Changi International Airport (SIN)

  • Consider booking a hotel near SIN if you're on a late San Diego International Airport to Changi International Airport flight. Check in to one of these accommodation options and avoid the hassle of a long transfer:

  • Go wherever you want, whenever you want with a Changi International Airport rental car. Pick up a set of wheels from Avis, Sixt or Green Motion and see more of Singapore and beyond.

  • To secure the lowest price, book your vehicle from Changi International Airport around two weeks in advance.

Getting from Changi International Airport (SIN) to central Singapore

  • From Changi International Airport, Singapore is approximately 21 kilometres away. It takes around 20 minutes to drive to the centre.

  • It takes around 1 hour if you're travelling by public transport.

When to fly to Changi International Airport (SIN)

  • It's time to plan your trip dates for your flight from San Diego International Airport to Changi International Airport. April is the most popular month to head to Singapore. If you want a more relaxed vibe, go in February.

  • The warmest month in Singapore is May, with the temperature ranging between 25ºC (77ºF) and 31ºC (88ºF). Lock in your flights from San Diego International Airport to Changi International Airport in this month if this is the type of weather you like.

  • January has average temperatures of between 24ºC (75ºF) and 30ºC (86ºF). Search for cheap tickets from SAN to SIN around that time if you like cooler conditions.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.