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$335+ Cheap flights from San Diego (SAN) to Singapore (SIN)

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SIN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Singapore Changi are usually found in September or April, booked 68 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from San Diego to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$775
(Trip.com)

One-way from

$335
(Travelocity)

Popular in

December

Cheapest in

September

Average price

$991
From San Diego to Singapore Changi
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One-way flight from San Diego to Singapore Changi
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Highest demand for flights based on searches. 8% potential increase in price ($112 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:20 pmSAN - SIN
2 stops32h 35mMultiple Airlines
Sun 10/1910:25 amSIN - SAN
2 stops45h 07mMultiple Airlines
Deal found 9/10$775
This oojo deal was found by Cheapflights users on 9/11. 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 11/179:59 pmSAN - SIN
1 stop29h 06mSingapore Airlines
Thu 12/49:00 amSIN - SAN
1 stop26h 33mSingapore Airlines
Deal found 9/11$787
This Expedia deal was found by Cheapflights users on 9/11. 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.
Mon 9/1510:30 pmSAN - SIN
2 stops41h 35mAir Canada
Sun 9/289:10 amSIN - SAN
1 stop19h 10mAir Canada
Deal found 9/11$834
This Orbitz deal was found by Cheapflights users on 9/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:30 pmSAN - SIN
2 stops41h 35mAir Canada
Sat 9/279:10 amSIN - SAN
2 stops26h 15mAir Canada
Deal found 9/10$844
This Orbitz deal was found by Cheapflights users on 9/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:30 pmSAN - SIN
2 stops41h 35mAir Canada
Fri 9/266:15 amSIN - SAN
2 stops44h 16mAir Canada
Deal found 9/11$853
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:30 pmSAN - SIN
2 stops41h 30mMultiple Airlines
Sat 11/18:50 amSIN - SAN
1 stop23h 34mMultiple Airlines
Deal found 9/10$896
This oojo deal was found by Cheapflights users on 9/10. 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 10/87:15 amSAN - SIN
1 stop20h 55mSingapore Airlines
Tue 10/219:00 amSIN - SAN
1 stop23h 56mSingapore Airlines
Deal found 9/10$907
This SmartFares deal was found by Cheapflights users on 9/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/172:03 pmSAN - SIN
2 stops39h 52mMultiple Airlines
Thu 12/411:10 pmSIN - SAN
2 stops40h 20mMultiple Airlines
Deal found 9/11$928

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 September 11, 2025.
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

Thu 10/9

8:00 am-6:25 pm

1 stop19h 25m

Singapore Changi

Tue 10/21

8:45 am-3:59 pm

1 stop22h 14m

$980

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Tue 10/7

7:28 pm-6:15 am

1 stop19h 47m

Singapore Changi

Tue 10/21

8:45 am-6:29 pm

1 stop24h 44m

$980

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 10/8

8:08 pm-6:15 am

1 stop19h 07m

Singapore Changi

Wed 11/19

10:10 am-6:34 pm

1 stop24h 24m

$980

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 10/8

6:15 am-6:25 pm

1 stop21h 10m

Singapore Changi

Mon 11/17

10:10 am-6:34 pm

1 stop24h 24m

$980

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Tue 10/7

7:28 pm-6:15 am

1 stop19h 47m

Singapore Changi

Wed 10/22

8:45 am-3:59 pm

1 stop22h 14m

$980

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 10/8

8:08 pm-6:15 am

1 stop19h 07m

Singapore Changi

Tue 10/21

8:40 pm-10:06 am

1 stop28h 26m

$980

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Thu 10/9

6:15 am-6:25 pm

1 stop21h 10m

Singapore Changi

Wed 10/22

8:45 am-3:59 pm

1 stop22h 14m

$980

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 10/8

6:00 pm-6:15 am

1 stop21h 15m

Singapore Changi

Wed 10/22

8:45 am-8:49 pm

1 stop27h 04m

$980

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Thu 10/9

6:15 am-6:25 pm

2 stops21h 10m

Singapore Changi

Tue 11/18

10:10 am-7:52 pm

2 stops25h 42m

$984

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 10/8

6:15 am-6:25 pm

2 stops21h 10m

Singapore Changi

Tue 11/18

10:20 pm-12:13 am

1 stop17h 53m

$984

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 18 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

How far ahead should I book a flight from San Diego to Singapore?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Singapore. Price data was last updated on August 29, 2025.

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from San Diego to Singapore (average of $1,002). Flying from San Diego to Singapore in December is currently the most expensive (average of $1,665). 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.

What is the cheapest time of day to fly from SAN to SIN?

Find hourly flight availability from San Diego to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

One of the essential ways to save on airfare from San Diego to Singapore is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 12% on airfare.

What is the cheapest day to fly from San Diego to Singapore?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Singapore. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Diego to Singapore flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 11, 2025.
Read through reviews of airlines operating flights from San Diego to Singapore, such as Japan Airlines, Singapore Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,559 reviews

Boarding

8.4

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
Japan Airlines
8.3
Very good
1,559 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Boarding

8.4

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
Singapore Airlines
8.1
Very good
1,365 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Boarding

8.4

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
United Airlines
7.4
Good
8,937 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Boarding

8.4

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
Air Canada
7.1
Good
10,000 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Boarding

8.4

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.

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.

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

    For as low as $980, United Airlines can have you in Singapore from San Diego in 19h 25m. The distance from San Diego to Singapore is about 8860 mi.

  • What are the cheapest airlines flying from San Diego to Singapore round-trip?

    Flying on Air Canada is currently your cheapest option to Singapore, with prices starting at $812. Additional round-trip tickets that might be worth considering are offered by Japan Airlines and Singapore Airlines, with the lowest prices starting at $833 and $938, respectively. Air Canada is 35% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, October is the cheapest month in which you can book a flight from San Diego to Singapore (average of $1,002). Flying from San Diego to Singapore in December is currently the most expensive (average of $1,665). 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.

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$812Average$1,029FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$833Average$1,232FlexibilityNo cancel feeOn-time79%
Singapore AirlinesCheapest$938Average$1,528FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$991Average$1,283FlexibilityNo cancel feeOn-time69%

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