HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Singapore

$454+ Cheap flights from San Diego (SAN) to Singapore

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SIN
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Singapore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Diego to Singapore

Cheapest flights from San Diego to Singapore
Explore the most affordable flight options available from San Diego to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2811:40 am
SAN
-
SIN
1 stop21h 10m
American Airlines
Wed 2/48:15 am
SIN
-
SAN
1 stop17h 30m
American Airlines
Deal found 1/25$854
This American Airlines deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2511:40 am
SAN
-
SIN
1 stop21h 10m
American Airlines
Tue 2/108:15 am
SIN
-
SAN
1 stop17h 30m
American Airlines
Deal found 1/24$862
This Expedia deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:45 pm
SAN
-
SIN
2 stops29h 15m
Multiple Airlines
Wed 3/1811:55 pm
SIN
-
SAN
2 stops35h 58m
Multiple Airlines
Deal found 1/25$894
This oojo deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/287:00 am
SAN
-
SIN
2 stops25h 50m
Japan Airlines
Mon 2/22:20 am
SIN
-
SAN
2 stops46h 15m
Japan Airlines
Deal found 1/25$903
This oojo deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/287:00 am
SAN
-
SIN
2 stops25h 50m
Multiple Airlines
Wed 2/48:15 am
SIN
-
SAN
1 stop17h 30m
Multiple Airlines
Deal found 1/25$905
This lastminute.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2511:40 am
SAN
-
SIN
1 stop21h 10m
Japan Airlines
Tue 2/108:15 am
SIN
-
SAN
2 stops40h 20m
Japan Airlines
Deal found 1/24$926
This American Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2811:40 am
SAN
-
SIN
1 stop21h 10m
American Airlines
Tue 2/38:15 am
SIN
-
SAN
1 stop17h 30m
American Airlines
Deal found 1/25$929
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:40 am
SAN
-
SIN
2 stops30h 50m
Cathay Pacific
Sun 4/261:25 pm
SIN
-
SAN
2 stops34h 30m
Cathay Pacific
Deal found 1/26$952
This oojo deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:09 pm
SAN
-
SIN
2 stops45h 46m
Cathay Pacific
Mon 3/96:00 pm
SIN
-
SAN
2 stops29h 18m
Cathay Pacific
Deal found 1/24$958
This lastminute.com deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/2511:08 am
SAN
-
SIN
2 stops27h 47m
ANA
Tue 2/106:35 am
SIN
-
SAN
2 stops22h 14m
ANA
Deal found 1/24$963

Find flight deals from San Diego to Singapore

Keep the following information in mind while searching for San Diego to Singapore flight deals. Data was last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$894
(Expedia)

One-way from

$454
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,093
Provider with most accurate pricing for San Diego-Singapore Changi flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Singapore Changi flights.
Search Deals
From San Diego to Singapore
Search Deals
One-way flight from San Diego to Singapore
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($168 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($63 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from San Diego to Singapore that are best for you.

Fly from

San Diego

Fly to

Singapore

Route

Depart

Return

Price

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 4/15

7:40 am-5:30 am

2 stops30h 50m

Singapore Changi

Sun 4/26

1:25 pm-8:55 am

2 stops34h 30m

$952

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Mon 3/2

10:09 pm-11:55 am

2 stops45h 46m

Singapore Changi

Mon 3/9

6:00 pm-8:18 am

2 stops29h 18m

$958

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Mon 4/13

6:36 am-6:35 pm

1 stop20h 59m

Singapore Changi

Wed 4/22

9:00 am-8:12 pm

2 stops26h 12m

$1,020

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Mon 3/2

7:50 pm-8:00 am

1 stop20h 10m

Singapore Changi

Mon 3/9

10:10 am-2:49 pm

1 stop19h 39m

$1,026

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 2/25

7:45 am-8:15 pm

1 stop20h 30m

Singapore Changi

Wed 3/4

10:10 am-2:49 pm

1 stop20h 39m

$1,026

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 3/11

4:00 pm-7:00 am

1 stop24h 00m

Singapore Changi

Wed 3/18

10:10 am-2:49 pm

1 stop19h 39m

$1,026

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 2/25

2:52 pm-1:05 pm

2 stops30h 13m

Singapore Changi

Wed 3/4

10:00 am-8:18 am

2 stops38h 18m

$1,027

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 7/8

6:30 am-9:30 pm

2 stops48h 00m

$454

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Sun 3/15

6:25 am-7:05 pm

2 stops45h 40m

$468

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Sat 2/7

6:20 am-5:25 pm

2 stops43h 05m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 12 results
1
2

Best time to book a flight from San Diego to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Singapore

What is the cheapest month to book a flight from San Diego to Singapore?

Currently, August is the cheapest month in which you can book a flight from San Diego to Singapore (average of $651). Flying from San Diego to Singapore in June is currently the most expensive (average of $984). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated January 26, 2026.
Get a feel of what it's like to fly with Japan Airlines, Singapore Airlines, and United Airlines from San Diego to Singapore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,691 reviews

Boarding

8.4

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
Japan Airlines
8.3
Very good
1,691 reviews
Japan Airlines
8.3
Very good
1,691 reviews

Boarding

8.4

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
Singapore Airlines
8.2
Very good
1,439 reviews
Japan Airlines
8.3
Very good
1,691 reviews

Boarding

8.4

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
United Airlines
7.4
Good
9,203 reviews
Japan Airlines
8.3
Very good
1,691 reviews

Boarding

8.4

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.
Air Canada
7.1
Good
10,660 reviews
Japan Airlines
8.3
Very good
1,691 reviews

Boarding

8.4

Food

7.7

Entertainment

7.8

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

HNL - KIX

Local boy flight attendant was amazing. Super friendly and attentive.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to Singapore?

    San Diego (SAN) is the airport you will fly out of if you book a flight from San Diego to Singapore. It is only a 2.6 mi journey to San Diego (SAN) from San Diego’s city center.

  • How long is the flight from San Diego to Singapore?

    For as low as $1,020, Cathay Pacific can have you in Singapore from San Diego in 20h 59m. The distance from San Diego to Singapore is about 8860 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from San Diego to Singapore one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $415. Japan Airlines flights start at $450 while deals on United Airlines start at $548 one-way.

  • Can I find deals for flights from San Diego to Singapore that include hotel bookings?

    Yes. In addition to deals on San Diego to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Singapore.

  • Can I find deals for business class flights from San Diego to Singapore?

    Yes. Cheapflights offers flight deals from San Diego to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Singapore?

    Currently, August is the cheapest month in which you can book a flight from San Diego to Singapore (average of $651). Flying from San Diego to Singapore in June is currently the most expensive (average of $984). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Diego to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
Los Angeles to Narita flights
San Francisco to Haneda flights
San Francisco to Narita flights
Los Angeles to Manila flights
San Francisco to New Delhi flights
Los Angeles to Suvarnabhumi flights
Los Angeles to Incheon Intl flights
San Francisco to Manila flights
Ontario to Narita flights
Los Angeles to Ho Chi Minh City flights
San Francisco to Taiwan Taoyuan Intl flights
San Francisco to Hong Kong flights
San Francisco to Ho Chi Minh City flights
Los Angeles to Taiwan Taoyuan Intl flights
San Francisco to Suvarnabhumi flights
San Francisco to Incheon Intl flights
San Diego to Narita flights
Los Angeles to Hongqiao Intl flights
San Francisco to Hongqiao Intl flights
Ontario to Haneda flights
Burbank to Narita flights
Los Angeles to Gimpo Intl flights
Santa Ana to Narita flights
Los Angeles to Pu Dong flights
Los Angeles to Kansai Intl flights
San Francisco to Pu Dong flights
San Francisco to Kansai Intl flights
Ontario to Suvarnabhumi flights
Oakland to Narita flights
San Diego to Haneda flights
San Francisco to Mumbai flights
San Francisco to Gimpo Intl flights
Los Angeles to Hong Kong flights
San Francisco to Bangalore flights
San Jose to New Delhi flights
Ontario to Taiwan Taoyuan Intl flights
Ontario to Manila flights
Los Angeles to New Delhi flights
Las Vegas to Narita flights
San Francisco to Hyderabad flights
San Francisco to Sung Shan flights
Las Vegas to Haneda flights
Santa Ana to Haneda flights
Los Angeles to Osaka Itami flights
San Francisco to Capital flights
San Francisco to Guangzhou flights
Los Angeles to Sung Shan flights
Oakland to New Delhi flights
Los Angeles to Don Mueang Intl flights

Top 4 airlines flying from San Diego to Singapore

Discover the top 4 airlines that operate flights from San Diego to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$812Average$1,029FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$893Average$1,132FlexibilityNo cancel feeOn-time79%
Singapore AirlinesCheapest$894Average$1,480FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$992Average$1,176FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.