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$444+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SIN
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
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The best prices from San Diego to Singapore Changi are usually found in September or November, booked 7 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 March 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$865
(Justfly.com)

One-way from

$444
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,265
Provider with most accurate pricing for San Diego-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for San Diego-Singapore Changi flights.
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From San Diego to Singapore Changi
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One-way flight from San Diego to Singapore Changi
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 3, 2025.

This Air Canada deal was found by Cheapflights users on 3/2. 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.
Fri 10/1712:40 pmSAN - SIN
1 stop27h 25mAir Canada
Sat 11/110:00 amSIN - SAN
1 stop24h 25mAir Canada
Deal found 3/2$832
This Air Canada deal was found by Cheapflights users on 3/2. 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 11/157:40 pmSAN - SIN
3 stops44h 15mMultiple Airlines
Sat 12/139:00 pmSIN - SAN
2 stops30h 05mMultiple Airlines
Deal found 3/2$876
This United Airlines deal was found by Cheapflights users on 3/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/107:24 pmSAN - SIN
1 stop20h 36mUnited Airlines
Mon 3/319:00 amSIN - SAN
1 stop26h 16mUnited Airlines
Deal found 3/3$992
This Delta deal was found by Cheapflights users on 3/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/127:20 amSAN - SIN
2 stops30h 40mDelta
Tue 3/181:30 amSIN - SAN
2 stops35h 50mDelta
Deal found 3/2$1,006
This FlightHub deal was found by Cheapflights users on 3/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/126:15 amSAN - SIN
1 stop21h 50mSingapore Airlines
Wed 3/199:15 amSIN - SAN
1 stop21h 40mSingapore Airlines
Deal found 3/1$1,034
This oojo deal was found by Cheapflights users on 3/2. 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.
Tue 4/86:59 pmSAN - SIN
2 stops29h 06mCathay Pacific
Tue 4/151:50 amSIN - SAN
2 stops29h 05mCathay Pacific
Deal found 3/2$1,096
This KAYAK deal was found by Cheapflights users on 3/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:15 amSAN - SIN
2 stops26h 30mANA
Fri 10/316:35 amSIN - SAN
2 stops32h 09mANA
Deal found 3/2$1,104
This Justfly.com deal was found by Cheapflights users on 3/2. 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.
Fri 12/56:15 amSAN - SIN
2 stops30h 45mKorean Air
Fri 1/161:30 amSIN - SAN
2 stops33h 26mKorean Air
Deal found 3/2$1,222
This KAYAK deal was found by Cheapflights users on 3/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/231:35 pmSAN - SIN
1 stop36h 55mJapan Airlines
Tue 9/91:55 amSIN - SAN
1 stop24h 40mJapan Airlines
Deal found 3/2$1,395
This oojo deal was found by Cheapflights users on 3/3. 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 3/109:30 pmSAN - SIN
2 stops50h 20mEthiopian Air
Sun 3/302:00 amSIN - SAN
3 stops52h 48mEthiopian Air
Deal found 3/3$1,747
This Lufthansa deal was found by Cheapflights users on 3/2. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/185:15 pmSAN - SIN
1 stop32h 25mLufthansa
Sun 5/2512:05 amSIN - SAN
1 stop30h 20mLufthansa
Deal found 3/2$1,782

Find flights from San Diego to Singapore within your budget

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 March 3, 2025.

Fly from

San Diego

Fly to

Singapore

Route

Depart

Return

Price

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Sat 8/23

5:00 pm-5:00 am

2 stops45h 00m

Singapore Changi

Tue 9/9

2:15 am-11:52 am

2 stops24h 37m

$886

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Tue 4/8

11:50 am-7:05 am

1 stop28h 15m

Singapore Changi

Tue 4/15

9:10 am-4:38 pm

1 stop22h 28m

$909

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Tue 4/8

7:45 am-6:25 pm

1 stop19h 40m

Singapore Changi

Wed 4/16

8:40 pm-8:51 am

1 stop27h 11m

$992

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Tue 4/8

6:59 pm-3:05 pm

2 stops29h 06m

Singapore Changi

Tue 4/15

1:50 am-3:55 pm

2 stops29h 05m

$1,096

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Sat 8/23

7:05 am-7:10 pm

1 stop21h 05m

Singapore Changi

Wed 9/10

9:15 am-2:06 pm

1 stop19h 51m

$1,116

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Sat 8/23

1:35 pm-5:30 pm

1 stop36h 55m

Singapore Changi

Tue 9/9

1:55 am-11:35 am

1 stop24h 40m

$1,395

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Tue 4/8

9:30 pm-2:50 pm

2 stops50h 20m

Singapore Changi

Tue 4/15

2:00 am-3:48 pm

3 stops52h 48m

$1,747

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Sun 5/18

5:15 pm-4:40 pm

1 stop32h 25m

Singapore Changi

Sun 5/25

12:05 am-3:25 pm

1 stop30h 20m

$1,782

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Sat 7/26

1:35 pm-12:20 am

1 stop19h 45m

Singapore Changi

Mon 8/4

1:55 am-12:01 pm

2 stops25h 06m

$2,083

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Sat 4/5

10:39 pm-9:00 pm

2 stops31h 21m

Singapore Changi

Fri 4/11

3:10 am-5:44 pm

2 stops29h 34m

$2,166

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/1

Showing 1-10 of 17 results
1
2

Compare providers for flights from San Diego to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Singapore in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Singapore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from San Diego to Singapore

Get recent, data-driven insights about flights from San Diego to Singapore including ideal travel times, pricing trends, and more.

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 February 28, 2025.

Booking 7 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, September is the cheapest month in which you can book a flight from San Diego to Singapore (average of $1,011). Flying from San Diego to Singapore in December is currently the most expensive (average of $1,684). 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 March 3, 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.

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

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 March 3, 2025.
See what other customers who have flown with Japan Airlines, Asiana Airlines and Singapore Airlines from San Diego to Singapore have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,435 reviews

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Crew

8.7

Food

7.7

Overall

8.3

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Japan Airlines
8.3
Very good
1,435 reviews
Japan Airlines
8.3
Very good
1,435 reviews

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Crew

8.7

Food

7.7

Overall

8.3

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Asiana Airlines
8.2
Very good
443 reviews
Japan Airlines
8.3
Very good
1,435 reviews

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Crew

8.7

Food

7.7

Overall

8.3

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Singapore Airlines
8.1
Very good
1,288 reviews
Japan Airlines
8.3
Very good
1,435 reviews

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Crew

8.7

Food

7.7

Overall

8.3

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Cathay Pacific
7.5
Good
825 reviews
Japan Airlines
8.3
Very good
1,435 reviews

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Crew

8.7

Food

7.7

Overall

8.3

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Qatar Airways
7.4
Good
3,568 reviews
Japan Airlines
8.3
Very good
1,435 reviews

Entertainment

7.8

Comfort

8.2

Boarding

8.4

Crew

8.7

Food

7.7

Overall

8.3

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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 $865. Additional round-trip tickets that might be worth considering are offered by United Airlines and Cathay Pacific, with the lowest prices starting at $992 and $1,096, respectively. Air Canada is 34% 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 United Airlines, which is currently one of the cheapest options available, starting at $614. Air Canada flights start at $737 while deals on China Eastern start at $854 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, September is the cheapest month in which you can book a flight from San Diego to Singapore (average of $1,011). Flying from San Diego to Singapore in December is currently the most expensive (average of $1,684). 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 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 March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$845Average$1,293FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$947Average$1,139FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$992Average$1,330FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$1,171Average$1,414FlexibilityNo cancel feeOn-time81%
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