What is the cheapest airline that flies from San Diego to Singapore Changi?

Air Canada is the most popular carrier operating from San Diego to Singapore Changi

What airlines fly to Singapore?

United Airlines, China Airlines and Air Canada are the top three most popular airlines that fly to Singapore from San Diego according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 6 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Diego Airport to Singapore Changi Airport?

Prices for flights from San Diego Airport to Singapore Changi Airport refresh daily.

How many operators does momondo search for flights from San Diego Airport to Singapore Changi Airport?

There are 4 operators available for flights from San Diego Airport to Singapore Changi Airport as of August 2026.

How old do you have to be to fly from San Diego Airport to Singapore Changi Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Singapore Changi Airport.

What documentation or ID do you need to fly to Singapore Changi Airport?

The required travel and health documents for your Singapore Changi Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Singapore Changi Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$452 Cheap Flights from San Diego to Singapore in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to Singapore

Round-trip

One-way

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Cheap round-trip flights

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7:05 am - 7:00 amSAN San Diego-SIN Singapore Changi

31h 55m1 stop Vancouver Intl

8:40 am - 8:36 amSIN Singapore Changi-SAN San Diego

39h 56m2 stops Vancouver Intl San Francisco

$919Air Canada

Thu, Nov 19 - Thu, Nov 26

7:05 am - 7:00 amSAN San Diego-SIN Singapore Changi

31h 55m1 stop Vancouver Intl

8:40 am - 1:04 pmSIN Singapore Changi-SAN San Diego

20h 24m1 stop Vancouver Intl

$922Air Canada

Wed, Feb 17 - Tue, Feb 23

7:05 am - 7:00 amSAN San Diego-SIN Singapore Changi

31h 55m1 stop Vancouver Intl

8:40 am - 2:54 pmSIN Singapore Changi-SAN San Diego

22h 14m2 stops Vancouver Intl San Francisco

$937Multiple Airlines

Wed, Feb 17 - Tue, Feb 23

2:30 pm - 7:00 amSAN San Diego-SIN Singapore Changi

24h 30m2 stops Denver Intl Vancouver Intl

8:40 am - 2:53 pmSIN Singapore Changi-SAN San Diego

22h 13m2 stops Vancouver Intl Denver Intl

$937Multiple Airlines

Wed, Feb 17 - Tue, Feb 23

7:50 am - 7:10 pmSAN San Diego-SIN Singapore Changi

20h 20m1 stop San Francisco

9:05 am - 1:36 pmSIN Singapore Changi-SAN San Diego

20h 31m1 stop San Francisco

$1,043Singapore Airlines

Wed, Oct 21 - Wed, Nov 4

7:50 am - 7:10 pmSAN San Diego-SIN Singapore Changi

20h 20m1 stop San Francisco

9:05 am - 6:29 pmSIN Singapore Changi-SAN San Diego

24h 24m1 stop San Francisco

$1,043Singapore Airlines

Wed, Oct 14 - Tue, Oct 20

1:35 pm - 12:20 amSAN San Diego-SIN Singapore Changi

19h 45m1 stop Tokyo Narita

8:05 am - 11:35 amSIN Singapore Changi-SAN San Diego

18h 30m1 stop Tokyo Narita

$1,216Japan Airlines

Tue, Sep 15 - Wed, Sep 30

7:43 am - 6:35 pmSAN San Diego-SIN Singapore Changi

19h 52m1 stop San Francisco

8:45 am - 6:35 pmSIN Singapore Changi-SAN San Diego

24h 50m1 stop San Francisco

$1,241United Airlines

Fri, Sep 18 - Fri, Sep 25

7:30 am - 6:35 pmSAN San Diego-SIN Singapore Changi

20h 05m1 stop San Francisco

10:10 am - 6:37 pmSIN Singapore Changi-SAN San Diego

24h 27m1 stop San Francisco

$1,241United Airlines

Fri, Oct 23 - Fri, Nov 6

1:00 pm - 12:50 amSAN San Diego-SIN Singapore Changi

20h 50m1 stop Tokyo Narita

8:15 am - 9:45 amSIN Singapore Changi-SAN San Diego

17h 30m1 stop Tokyo Narita

$1,244Japan Airlines

Sat, Oct 24 - Thu, Nov 5

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Air Canada flights from San Diego to Singapore

Our best Air Canada deals on San Diego to Singapore flight tickets

Air Canada

Nov 19

SAN7:05 amSan Diego

31h 55m

1 stop

SIN7:00 amSingapore Changi

Nov 26

SIN8:40 amSingapore Changi

39h 56m

2 stops

SAN8:36 amSan Diego

$919

Air Canada

Feb 17

SAN7:05 amSan Diego

31h 55m

1 stop

SIN7:00 amSingapore Changi

Feb 23

SIN8:40 amSingapore Changi

20h 24m

1 stop

SAN1:04 pmSan Diego

$922

Air Canada

Oct 14

SAN7:41 pmSan Diego

42h 34m

2 stops

SIN5:15 amSingapore Changi

Oct 20

SIN7:00 amSingapore Changi

32h 31m

2 stops

SAN12:31 amSan Diego

$923

Cathay Pacific flights from San Diego to Singapore

Our best Cathay Pacific deals on San Diego to Singapore flight tickets

Cathay Pacific

Feb 17

SAN8:00 amSan Diego

35h 55m

2 stops

SIN11:55 amSingapore Changi

Feb 22

SIN1:25 amSingapore Changi

30h 27m

2 stops

SAN3:52 pmSan Diego

$1,047

Cathay Pacific

Aug 27

SAN6:15 amSan Diego

27h 30m

2 stops

SIN12:45 amSingapore Changi

Sep 10

SIN7:20 amSingapore Changi

24h 53m

2 stops

SAN5:13 pmSan Diego

$1,099

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Thu 11/19

7:05 am-7:00 am

1 stop31h 55m

Singapore Changi

Thu 11/26

8:40 am-8:36 am

2 stops39h 56m

$919

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Wed 2/17

7:05 am-7:00 am

1 stop31h 55m

Singapore Changi

Tue 2/23

8:40 am-1:04 pm

1 stop20h 24m

$922

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Wed 2/17

7:05 am-7:00 am

1 stop31h 55m

Singapore Changi

Tue 2/23

8:40 am-2:54 pm

2 stops22h 14m

$937

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Wed 2/17

2:30 pm-7:00 am

2 stops24h 30m

Singapore Changi

Tue 2/23

8:40 am-2:53 pm

2 stops22h 13m

$937

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Wed 10/21

7:50 am-7:10 pm

1 stop20h 20m

Singapore Changi

Wed 11/4

9:05 am-1:36 pm

1 stop20h 31m

$1,043

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Wed 10/14

7:50 am-7:10 pm

1 stop20h 20m

Singapore Changi

Tue 10/20

9:05 am-6:29 pm

1 stop24h 24m

$1,043

Quickest round-trip

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Tue 9/15

1:35 pm-12:20 am

1 stop19h 45m

Singapore Changi

Wed 9/30

8:05 am-11:35 am

1 stop18h 30m

$1,216

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Fri 9/18

7:43 am-6:35 pm

1 stop19h 52m

Singapore Changi

Fri 9/25

8:45 am-6:35 pm

1 stop24h 50m

$1,241

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Fri 10/23

7:30 am-6:35 pm

1 stop20h 05m

Singapore Changi

Fri 11/6

10:10 am-6:37 pm

1 stop24h 27m

$1,241

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Sat 10/24

1:00 pm-12:50 am

1 stop20h 50m

Singapore Changi

Thu 11/5

8:15 am-9:45 am

1 stop17h 30m

$1,244

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between San Diego and Singapore?

Prices are currently low for flights on this route.

Typical prices usually range from $1,389 to $1,532.
The lowest price recently found on this route was $919.

What is the cheapest month to fly to Singapore?

The month of April is, on average, the cheapest month to fly to Singapore from San Diego, with most prices found around $1,052. If you aren’t able to travel to Singapore during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,073.

Can stopping save me money on San Diego to Singapore flights?

You could potentially save up to 39% on your flight if you consider stops on a San Diego to Singapore flight.

How have San Diego to Singapore flight prices changed over time?

As of August 2026, prices for San Diego to Singapore flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to Singapore

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Singapore according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Diego to Singapore (SAN to SIN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Singapore

Best Price Found	$452
Fastest flight time	24h 30m
Direct flights	None

The best one-way flight to Singapore from San Diego in the past 72 hours is $452. The best round-trip flight deal from San Diego to Singapore found on momondo in the last 72 hours is $919.

The fastest flight from San Diego to Singapore takes 24h 30m

There are no direct flights from San Diego to Singapore. There are no popular flight routes from San Diego to Singapore.

Search flight deals

Frequently asked questions about flying from San Diego to Singapore

How far is San Diego to Singapore Changi by plane?
The distance between San Diego and Singapore Changi is about 8872.2 mi. Typically, this will take 24h 30m by plane in normal conditions.
When did momondo last update prices for flights from San Diego Airport to Singapore Changi Airport?
Prices for flights from San Diego Airport to Singapore Changi Airport refresh daily.
How many operators does momondo search for flights from San Diego Airport to Singapore Changi Airport?
There are 4 operators available for flights from San Diego Airport to Singapore Changi Airport as of August 2026.
How old do you have to be to fly from San Diego Airport to Singapore Changi Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Singapore Changi Airport.
What documentation or ID do you need to fly to Singapore Changi Airport?
The required travel and health documents for your Singapore Changi Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Singapore Changi Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from San Diego to Singapore?
momondo data reveals that the most frequently booked airline on the route from San Diego to Singapore is Air Canada, representing 27% of all bookings. The subsequent popular airlines are United Airlines at 26%, Singapore Airlines at 25%, and Japan Airlines at 21%.

Best airlines flying from San Diego to Singapore

Compare and see reviews for airlines that fly from San Diego to Singapore with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $829	Free Cancellation	Rating 7.1 11,519 reviews	Search Air Canada flights
Japan Airlines	PriceFrom $902	Free Cancellation	Rating 8.3 1,908 reviews	Search Japan Airlines flights
Singapore Airlines	PriceFrom $923	Free Cancellation	Rating 8.2 1,585 reviews	Search Singapore Airlines flights
United Airlines	PriceFrom $979	Free Cancellation	Rating 7.4 10,114 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Singapore?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Diego to Singapore. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Diego to Singapore with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Singapore from San Diego with this policy.

How can momondo help me find flights from San Diego to Singapore?

momondo provides multiple filters to help you find the best flight to Singapore from San Diego. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Diego to Singapore right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Diego to Singapore flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from San Diego to Singapore from $452

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Singapore departing on 10/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from San Diego to Singapore

Our best Air Canada deals on San Diego to Singapore flight tickets

Cathay Pacific flights from San Diego to Singapore

Our best Cathay Pacific deals on San Diego to Singapore flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from San Diego to Singapore that are best for you.

See travel insights to Singapore from

How to get the cheapest flight ticket from San Diego to Singapore

What is the typical price of a round-trip flight between San Diego and Singapore?

What is the cheapest month to fly to Singapore?

Can stopping save me money on San Diego to Singapore flights?

How have San Diego to Singapore flight prices changed over time?

What is the cheapest airline that flies from San Diego to Singapore Changi?

What airlines fly to Singapore?

When to book flights from San Diego to Singapore

Cheap San Diego to Singapore (SAN to SIN) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from San Diego to Singapore

Best airlines flying from San Diego to Singapore

Compare and see reviews for airlines that fly from San Diego to Singapore with momondo

Why use momondo?

An easier way to manage your Singapore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Singapore

Fly your favorite airline to Singapore

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Singapore

List of cabin classes available on flights landing in Singapore. Availability may vary depending on flight origin and airline.

Fly to other destinations from San Diego

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year