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Cheap flights from San Diego to Singapore from $398

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 4/4. 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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Find the cheapest flights from San Diego to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
2:50 pm - 11:55 am
SAN
-
SIN
30h 05m
2 stops
Cathay Pacific Logo
12:55 pm - 8:15 am
SIN
-
SAN
34h 20m
2 stops
$917Cathay Pacific
Thu, Mar 12 - Tue, Mar 24
Air Canada Logo
8:25 am - 5:15 am
SAN
-
SIN
29h 50m
1 stop
Air Canada Logo
7:00 am - 4:08 pm
SIN
-
SAN
24h 08m
1 stop
$966Air Canada
Fri, Jul 24 - Tue, Aug 4
Air Canada Logo
12:30 pm - 5:15 am
SAN
-
SIN
25h 45m
1 stop
Air Canada Logo
7:00 am - 11:53 am
SIN
-
SAN
19h 53m
1 stop
$980Air Canada
Tue, Jun 2 - Thu, Jul 9
Multiple Airlines Logo
11:00 am - 12:50 pm
SAN
-
SIN
34h 50m
2 stops
Multiple Airlines Logo
2:00 pm - 1:09 pm
SIN
-
SAN
38h 09m
2 stops
$995Multiple Airlines
Thu, Aug 20 - Fri, Aug 28
Multiple Airlines Logo
8:15 am - 5:15 am
SAN
-
SIN
30h 00m
1 stop
Multiple Airlines Logo
10:45 pm - 3:25 pm
SIN
-
SAN
31h 40m
1 stop
$1,044Multiple Airlines
Tue, Jun 2 - Tue, Jun 9
ANA Logo
8:32 pm - 6:40 am
SAN
-
SIN
43h 08m
2 stops
ANA Logo
11:05 am - 7:51 pm
SIN
-
SAN
23h 46m
2 stops
$1,048ANA
Fri, Jul 24 - Tue, Aug 4
Air Canada Logo
4:55 pm - 5:15 am
SAN
-
SIN
21h 20m
1 stop
Air Canada Logo
7:00 am - 11:50 am
SIN
-
SAN
19h 50m
1 stop
$1,054Air Canada
Sun, May 17 - Sun, May 31
Multiple Airlines Logo
4:45 pm - 5:15 am
SAN
-
SIN
21h 30m
1 stop
Multiple Airlines Logo
10:45 pm - 6:39 pm
SIN
-
SAN
34h 54m
2 stops
$1,055Multiple Airlines
Tue, Jun 2 - Tue, Jun 9
Air Canada Logo
4:45 pm - 12:45 am
SAN
-
SIN
41h 00m
2 stops
Air Canada Logo
7:00 am - 8:53 pm
SIN
-
SAN
28h 53m
1 stop
$1,061Air Canada
Mon, Jul 20 - Sat, Aug 1
Air Canada Logo
8:25 am - 12:45 am
SAN
-
SIN
25h 20m
2 stops
Air Canada Logo
7:00 am - 8:53 pm
SIN
-
SAN
28h 53m
1 stop
$1,062Air Canada
Fri, Jul 24 - Tue, Aug 4

Cathay Pacific flights from San Diego to Singapore

Our best Cathay Pacific deals on San Diego to Singapore flight tickets
Cathay Pacific
Mar 4
SAN10:09 pmSan Diego
34h 16m
2 stops
SIN12:25 amSingapore Changi
Mar 18
SIN8:15 pmSingapore Changi
27h 00m
2 stops
SAN8:15 amSan Diego
$842
Cathay Pacific
Mar 12
SAN2:50 pmSan Diego
30h 05m
2 stops
SIN11:55 amSingapore Changi
Mar 24
SIN12:55 pmSingapore Changi
34h 20m
2 stops
SAN8:15 amSan Diego
$917
Cathay Pacific
Mar 8
SAN8:00 amSan Diego
36h 55m
2 stops
SIN11:55 amSingapore Changi
Mar 14
SIN2:05 pmSingapore Changi
41h 25m
2 stops
SAN4:30 pmSan Diego
$2,884

United Airlines flights from San Diego to Singapore

Our best United Airlines deals on San Diego to Singapore flight tickets
United Airlines
Mar 4
SAN5:55 pmSan Diego
22h 05m
1 stop
SIN8:00 amSingapore Changi
Mar 18
SIN10:20 pmSingapore Changi
27h 20m
1 stop
SAN10:40 amSan Diego
$1,077
United Airlines
Mar 4
SAN6:10 pmSan Diego
21h 50m
2 stops
SIN8:00 amSingapore Changi
Mar 18
SIN10:20 pmSingapore Changi
25h 20m
1 stop
SAN8:40 amSan Diego
$1,081
United Airlines
May 17
SAN8:45 pmSan Diego
30h 50m
2 stops
SIN6:35 pmSingapore Changi
May 31
SIN8:45 amSingapore Changi
26h 06m
2 stops
SAN7:51 pmSan Diego
$1,119

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 February 27, 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

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Thu 3/12

2:50 pm-11:55 am

2 stops30h 05m

Singapore Changi

Tue 3/24

12:55 pm-8:15 am

2 stops34h 20m

$917

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Fri 7/24

8:25 am-5:15 am

1 stop29h 50m

Singapore Changi

Tue 8/4

7:00 am-4:08 pm

1 stop24h 08m

$966

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Tue 6/2

12:30 pm-5:15 am

1 stop25h 45m

Singapore Changi

Thu 7/9

7:00 am-11:53 am

1 stop19h 53m

$980

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Thu 8/20

11:00 am-12:50 pm

2 stops34h 50m

Singapore Changi

Fri 8/28

2:00 pm-1:09 pm

2 stops38h 09m

$995

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Tue 6/2

8:15 am-5:15 am

1 stop30h 00m

Singapore Changi

Tue 6/9

10:45 pm-3:25 pm

1 stop31h 40m

$1,044

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Fri 7/24

8:32 pm-6:40 am

2 stops43h 08m

Singapore Changi

Tue 8/4

11:05 am-7:51 pm

2 stops23h 46m

$1,048

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Sun 5/17

4:55 pm-5:15 am

1 stop21h 20m

Singapore Changi

Sun 5/31

7:00 am-11:50 am

1 stop19h 50m

$1,054

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Tue 6/2

4:45 pm-5:15 am

1 stop21h 30m

Singapore Changi

Tue 6/9

10:45 pm-6:39 pm

2 stops34h 54m

$1,055

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Mon 7/20

4:45 pm-12:45 am

2 stops41h 00m

Singapore Changi

Sat 8/1

7:00 am-8:53 pm

1 stop28h 53m

$1,061

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Fri 7/24

8:25 am-12:45 am

2 stops25h 20m

Singapore Changi

Tue 8/4

7:00 am-8:53 pm

1 stop28h 53m

$1,062

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 February is, on average, the cheapest month to fly to Singapore from San Diego, with most prices found around $1,009. If you aren’t able to travel to Singapore during the month of February, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $1,029.

How far in advance should I book a flight to Singapore?

You are more likely to see cheaper flights to Singapore from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,213 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from San Diego for as low as $978 on momondo.

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

You could potentially save up to 1% 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 February 2026, prices for San Diego to Singapore flights are approximately 6% 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

21h 30m

Direct flights

None
The fastest flight from San Diego to Singapore takes 21h 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

  • 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 21h 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?

  • 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
10,752 reviews
Search Air Canada flights
Japan AirlinesPriceFrom $893Free CancellationRating
8.3
1,716 reviews
Search Japan Airlines flights
Singapore AirlinesPriceFrom $894Free CancellationRating
8.2
1,465 reviews
Search Singapore Airlines flights
United AirlinesPriceFrom $992Free CancellationRating
7.4
9,358 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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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
United Airlines
China Airlines
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Japan Airlines
Air Canada