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$461+ 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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SIN
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$787
(Air Canada)

One-way from

$461
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$1,497
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. 6% potential increase in price ($92 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This Air Canada deal was found by Cheapflights users on 7/27. 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 11/226:10 pmSAN - SIN
2 stops28h 40mAir Canada
Tue 12/210:00 amSIN - SAN
1 stop23h 24mAir Canada
Deal found 7/27$787
This Expedia deal was found by Cheapflights users on 7/27. 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 8/136:15 amSAN - SIN
2 stops34h 00mMultiple Airlines
Wed 9/108:30 pmSIN - SAN
2 stops29h 18mMultiple Airlines
Deal found 7/27$846
This Fareboom deal was found by Cheapflights users on 7/28. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/64:30 pmSAN - SIN
2 stops37h 25mAsiana Airlines
Sun 11/911:10 pmSIN - SAN
2 stops40h 30mAsiana Airlines
Deal found 7/28$869
This Justfly.com deal was found by Cheapflights users on 7/29. 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 Justfly.com 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 stop19h 57mSingapore Airlines
Deal found 7/29$895
This Gurufare deal was found by Cheapflights users on 7/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/81:35 pmSAN - SIN
1 stop19h 45mJapan Airlines
Mon 9/158:05 amSIN - SAN
1 stop18h 30mJapan Airlines
Deal found 7/27$908
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/810:54 amSAN - SIN
2 stops28h 46mANA
Mon 9/1510:10 pmSIN - SAN
2 stops31h 58mANA
Deal found 7/27$927

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 July 29, 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

Sat 11/22

6:10 pm-2:50 pm

2 stops28h 40m

Singapore Changi

Tue 12/2

10:00 am-5:24 pm

1 stop23h 24m

$787

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 8/13

6:15 am-7:15 am

2 stops34h 00m

Singapore Changi

Wed 9/10

8:30 pm-10:48 am

2 stops29h 18m

$846

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Thu 11/6

4:30 pm-9:55 pm

2 stops37h 25m

Singapore Changi

Sun 11/9

11:10 pm-11:40 pm

2 stops40h 30m

$869

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 10/8

7:15 am-7:10 pm

1 stop20h 55m

Singapore Changi

Tue 10/21

9:00 am-1:57 pm

1 stop19h 57m

$895

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Mon 9/8

1:35 pm-12:20 am

1 stop19h 45m

Singapore Changi

Mon 9/15

8:05 am-11:35 am

1 stop18h 30m

$908

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Tue 8/19

2:21 pm-5:15 pm

2 stops35h 54m

Singapore Changi

Fri 8/22

6:15 am-6:23 pm

2 stops27h 08m

$930

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Thu 11/6

12:45 pm-7:00 am

1 stop26h 15m

$461

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Thu 11/6

9:59 pm-9:55 pm

2 stops55h 56m

$463

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Sat 8/9

4:00 pm-6:15 am

1 stop23h 15m

$638

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Tue 12/16

10:59 am-12:10 am

2 stops45h 11m

$790

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 12 results
1
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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 July 25, 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 $995). Flying from San Diego to Singapore in December is currently the most expensive (average of $1,679). 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 July 29, 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 July 29, 2025.
Read through reviews of airlines operating flights from San Diego to Singapore, such as ANA, Korean Air, and Japan Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
922 reviews

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
ANA
8.4
Very good
922 reviews
ANA
8.4
Very good
922 reviews

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Korean Air
8.4
Very good
1,121 reviews
ANA
8.4
Very good
922 reviews

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Japan Airlines
8.3
Very good
1,535 reviews
ANA
8.4
Very good
922 reviews

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Asiana Airlines
8.2
Very good
465 reviews
ANA
8.4
Very good
922 reviews

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
Singapore Airlines
8.1
Very good
1,338 reviews
ANA
8.4
Very good
922 reviews

Boarding

8.5

Entertainment

7.9

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MNL - NRT

Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA

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 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 $787. Additional round-trip tickets that might be worth considering are offered by Asiana Airlines and Singapore Airlines, with the lowest prices starting at $869 and $895, respectively. Air Canada is 39% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 $461. United Airlines flights start at $638 while deals on Korean Air start at $790 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, October is the cheapest month in which you can book a flight from San Diego to Singapore (average of $995). Flying from San Diego to Singapore in December is currently the most expensive (average of $1,679). 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

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Top 3 airlines flying from San Diego to Singapore

Discover the top 3 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$796Average$1,288FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$812Average$1,029FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$1,041Average$1,542FlexibilityNo cancel feeOn-time81%

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