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Cheap flights from San Diego to Singapore from $445

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 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:28 am - 12:10 pmSAN  San Diego-SIN Singapore Changi
34h 42m2 stops San Francisco Ho Chi Minh City
Multiple Airlines Logo
1:10 pm - 8:17 pmSIN  Singapore Changi-SAN San Diego
46h 07m3 stops Ho Chi Minh City San Francisco Las Vegas Harry Reid Intl
$950Multiple Airlines
Thu, Sep 10 - Thu, Sep 17
Multiple Airlines Logo
10:28 am - 9:30 pmSAN  San Diego-SIN Singapore Changi
44h 02m2 stops San Francisco Incheon Intl
Multiple Airlines Logo
9:05 am - 6:19 pmSIN  Singapore Changi-SAN San Diego
24h 14m1 stop San Francisco
$1,039Multiple Airlines
Fri, Sep 25 - Tue, Oct 6
Air Canada Logo
4:55 pm - 5:15 amSAN  San Diego-SIN Singapore Changi
21h 20m1 stop Vancouver Intl
Air Canada Logo
7:00 am - 11:47 amSIN  Singapore Changi-SAN San Diego
19h 47m1 stop Vancouver Intl
$1,047Air Canada
Thu, Sep 10 - Thu, Sep 17
Air Canada Logo
2:00 pm - 7:00 amSAN  San Diego-SIN Singapore Changi
25h 00m1 stop Vancouver Intl
Air Canada Logo
8:40 am - 9:58 amSIN  Singapore Changi-SAN San Diego
41h 18m2 stops Vancouver Intl San Francisco
$1,049Air Canada
Tue, Nov 3 - Tue, Dec 1
Singapore Airlines Logo
6:15 am - 7:05 pmSAN  San Diego-SIN Singapore Changi
20h 50m1 stop San Francisco
Singapore Airlines Logo
9:15 am - 1:09 pmSIN  Singapore Changi-SAN San Diego
19h 54m1 stop San Francisco
$1,073Singapore Airlines
Tue, Jan 5 - Wed, Feb 17
Singapore Airlines Logo
7:50 am - 7:10 pmSAN  San Diego-SIN Singapore Changi
20h 20m1 stop San Francisco
Singapore Airlines Logo
9:15 am - 6:29 pmSIN  Singapore Changi-SAN San Diego
24h 14m1 stop San Francisco
$1,120Singapore Airlines
Fri, Oct 23 - Wed, Oct 28
United Airlines Logo
6:20 am - 6:35 pmSAN  San Diego-SIN Singapore Changi
21h 15m1 stop San Francisco
United Airlines Logo
8:45 am - 1:44 pmSIN  Singapore Changi-SAN San Diego
19h 59m1 stop San Francisco
$1,241United Airlines
Thu, Sep 3 - Fri, Sep 11
United Airlines Logo
6:20 am - 6:35 pmSAN  San Diego-SIN Singapore Changi
21h 15m1 stop San Francisco
United Airlines Logo
8:45 am - 1:44 pmSIN  Singapore Changi-SAN San Diego
19h 59m1 stop San Francisco
$1,241United Airlines
Sun, Aug 16 - Wed, Sep 9
Japan Airlines Logo
12:40 pm - 12:50 amSAN  San Diego-SIN Singapore Changi
21h 10m1 stop Tokyo Narita
Japan Airlines Logo
8:15 am - 10:45 amSIN  Singapore Changi-SAN San Diego
17h 30m1 stop Tokyo Narita
$1,640Japan Airlines
Mon, Oct 26 - Thu, Oct 29
Japan Airlines Logo
6:15 am - 12:50 amSAN  San Diego-SIN Singapore Changi
27h 35m2 stops Seattle/Tacoma Intl Tokyo Narita
Japan Airlines Logo
8:15 am - 10:45 amSIN  Singapore Changi-SAN San Diego
17h 30m1 stop Tokyo Narita
$1,645Japan Airlines
Mon, Oct 26 - Thu, Oct 29

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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
Sep 10
SAN4:55 pmSan Diego
21h 20m
1 stop
SIN5:15 amSingapore Changi
Sep 17
SIN7:00 amSingapore Changi
19h 47m
1 stop
SAN11:47 amSan Diego
$1,047
Air Canada
Nov 3
SAN2:00 pmSan Diego
25h 00m
1 stop
SIN7:00 amSingapore Changi
Dec 1
SIN8:40 amSingapore Changi
41h 18m
2 stops
SAN9:58 amSan Diego
$1,049
Air Canada
Nov 22
SAN2:00 pmSan Diego
39h 40m
2 stops
SIN9:40 pmSingapore Changi
Nov 26
SIN8:40 amSingapore Changi
39h 56m
2 stops
SAN8:36 amSan Diego
$1,051

Singapore Airlines flights from San Diego to Singapore

Our best Singapore Airlines deals on San Diego to Singapore flight tickets
Singapore Airlines
Jan 5
SAN6:15 amSan Diego
20h 50m
1 stop
SIN7:05 pmSingapore Changi
Feb 17
SIN9:15 amSingapore Changi
19h 54m
1 stop
SAN1:09 pmSan Diego
$1,073
Singapore Airlines
Oct 23
SAN7:50 amSan Diego
20h 20m
1 stop
SIN7:10 pmSingapore Changi
Oct 28
SIN9:15 amSingapore Changi
24h 14m
1 stop
SAN6:29 pmSan Diego
$1,120

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 5, 2026.
Use the filters below to find and compare flights from San Diego to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Thu 9/10

10:28 am-12:10 pm

2 stops34h 42m

Singapore Changi

Thu 9/17

1:10 pm-8:17 pm

3 stops46h 07m

$950

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Fri 9/25

10:28 am-9:30 pm

2 stops44h 02m

Singapore Changi

Tue 10/6

9:05 am-6:19 pm

1 stop24h 14m

$1,039

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Thu 9/10

4:55 pm-5:15 am

1 stop21h 20m

Singapore Changi

Thu 9/17

7:00 am-11:47 am

1 stop19h 47m

$1,047

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Tue 11/3

2:00 pm-7:00 am

1 stop25h 00m

Singapore Changi

Tue 12/1

8:40 am-9:58 am

2 stops41h 18m

$1,049

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Tue 1/5

6:15 am-7:05 pm

1 stop20h 50m

Singapore Changi

Wed 2/17

9:15 am-1:09 pm

1 stop19h 54m

$1,073

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Fri 10/23

7:50 am-7:10 pm

1 stop20h 20m

Singapore Changi

Wed 10/28

9:15 am-6:29 pm

1 stop24h 14m

$1,120

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Thu 9/3

6:20 am-6:35 pm

1 stop21h 15m

Singapore Changi

Fri 9/11

8:45 am-1:44 pm

1 stop19h 59m

$1,241

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Sun 8/16

6:20 am-6:35 pm

1 stop21h 15m

Singapore Changi

Wed 9/9

8:45 am-1:44 pm

1 stop19h 59m

$1,241
Quickest round-trip

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Mon 10/26

12:40 pm-12:50 am

1 stop21h 10m

Singapore Changi

Thu 10/29

8:15 am-10:45 am

1 stop17h 30m

$1,640

San DiegoSingapore

SAN San Diego - SIN Singapore Changi

SANSIN

San Diego

Mon 10/26

6:15 am-12:50 am

2 stops27h 35m

Singapore Changi

Thu 10/29

8:15 am-10:45 am

1 stop17h 30m

$1,645

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Singapore from

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

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 January is also cheap. Prices for this month can be found on momondo for an average of $1,074.

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

You could potentially save up to 51% 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

Fastest flight time

20h 20m

Direct flights

None
The fastest flight from San Diego to Singapore takes 20h 20m
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 20h 20m 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?

  • 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?

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 CanadaPriceFrom $829Free CancellationRating
7.1
11,429 reviews
Search Air Canada flights
Japan AirlinesPriceFrom $893Free CancellationRating
8.3
1,892 reviews
Search Japan Airlines flights
Singapore AirlinesPriceFrom $923Free CancellationRating
8.2
1,584 reviews
Search Singapore Airlines flights
United AirlinesPriceFrom $979Free CancellationRating
7.4
10,072 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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