HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Singapore

$440+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SIN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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.

Cheapflights Tip: 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 June 12, 2025.

Round-trip from

$813
(Air Canada)

One-way from

$440
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,258
From San Diego to Singapore Changi
Search Deals
One-way flight from San Diego to Singapore Changi
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This Air Canada deal was found by Cheapflights users on 6/12. 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.
Thu 7/176:15 amSAN - SIN
1 stop33h 50mAir Canada
Thu 7/249:10 amSIN - SAN
1 stop22h 03mAir Canada
Deal found 6/12$813
This Trip.com deal was found by Cheapflights users on 6/12. 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.
Thu 7/106:15 amSAN - SIN
2 stops48h 15mMultiple Airlines
Thu 7/1710:50 pmSIN - SAN
2 stops39h 52mMultiple Airlines
Deal found 6/12$865
This FlightHub deal was found by Cheapflights users on 6/12. 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 10/87:15 amSAN - SIN
1 stop20h 55mSingapore Airlines
Tue 10/219:15 amSIN - SAN
1 stop19h 28mSingapore Airlines
Deal found 6/12$899
This oojo deal was found by Cheapflights users on 6/10. 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 10/83:59 pmSAN - SIN
2 stops29h 36mChina Airlines
Mon 10/202:00 amSIN - SAN
2 stops50h 43mChina Airlines
Deal found 6/10$957
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:30 amSAN - SIN
2 stops25h 10mKorean Air
Thu 8/147:30 amSIN - SAN
2 stops25h 54mKorean Air
Deal found 6/11$1,011
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:15 amSAN - SIN
1 stop21h 10mUnited Airlines
Tue 10/218:45 amSIN - SAN
1 stop19h 08mUnited Airlines
Deal found 6/10$1,025
This oojo deal was found by Cheapflights users on 6/12. 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 10/81:05 pmSAN - SIN
1 stop20h 15mJapan Airlines
Mon 10/201:55 amSIN - SAN
2 stops47h 38mJapan Airlines
Deal found 6/12$1,031
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/97:30 amSAN - SIN
2 stops30h 30mDelta
Sat 7/197:30 amSIN - SAN
2 stops30h 09mDelta
Deal found 6/10$1,072
This Priceline deal was found by Cheapflights users on 6/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/176:20 amSAN - SIN
2 stops32h 05mChina Eastern
Wed 7/2312:55 amSIN - SAN
2 stops29h 24mChina Eastern
Deal found 6/12$1,146
This oojo deal was found by Cheapflights users on 6/11. 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.
Wed 10/85:31 pmSAN - SIN
2 stops40h 19mCathay Pacific
Mon 10/201:50 amSIN - SAN
2 stops35h 05mCathay Pacific
Deal found 6/11$1,164
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/81:35 pmSAN - SIN
1 stop19h 45mAmerican Airlines
Tue 9/161:55 amSIN - SAN
2 stops25h 08mAmerican Airlines
Deal found 6/10$1,173
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/268:00 amSAN - SIN
2 stops25h 45mANA
Sat 8/26:15 amSIN - SAN
2 stops27h 05mANA
Deal found 6/11$1,227

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 June 12, 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 7/17

6:15 am-7:05 am

1 stop33h 50m

Singapore Changi

Thu 7/24

9:10 am-4:13 pm

1 stop22h 03m

$813

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Thu 7/10

6:15 am-9:30 pm

2 stops48h 15m

Singapore Changi

Thu 7/17

10:50 pm-11:42 pm

2 stops39h 52m

$865

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 10/8

7:15 am-7:10 pm

1 stop20h 55m

Singapore Changi

Tue 10/21

9:15 am-1:43 pm

1 stop19h 28m

$899

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 10/8

3:59 pm-12:35 pm

2 stops29h 36m

Singapore Changi

Mon 10/20

2:00 am-1:43 pm

2 stops50h 43m

$957

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Mon 8/4

7:30 am-11:40 pm

2 stops25h 10m

Singapore Changi

Thu 8/14

7:30 am-6:24 pm

2 stops25h 54m

$1,011

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-8:49 pm

1 stop27h 04m

$1,025

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 10/8

1:05 pm-12:20 am

1 stop20h 15m

Singapore Changi

Mon 10/20

1:55 am-10:33 am

2 stops47h 38m

$1,031

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 7/9

7:30 am-5:00 am

2 stops30h 30m

Singapore Changi

Sat 7/19

7:30 am-10:39 pm

2 stops30h 09m

$1,072

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Thu 7/17

6:20 am-5:25 am

2 stops32h 05m

Singapore Changi

Wed 7/23

12:55 am-3:19 pm

2 stops29h 24m

$1,146

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 10/8

5:31 pm-12:50 am

2 stops40h 19m

Singapore Changi

Mon 10/20

1:50 am-9:55 pm

2 stops35h 05m

$1,164

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 23 results
1
2
3

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 June 9, 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 June 12, 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 June 12, 2025.
See what other customers who have flown with EVA Air, Korean Air and Japan 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.
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very good
1,489 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.3
Very good
882 reviews
EVA Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.4

Crew

8.6

Entertainment

8.0

Comfort

8.3

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 $813. Additional round-trip tickets that might be worth considering are offered by Singapore Airlines and China Airlines, with the lowest prices starting at $899 and $957, respectively. Air Canada is 38% 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 $458. ANA flights start at $520 while deals on Japan Airlines start at $552 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

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$796Average$1,307FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$812Average$1,029FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$927Average$1,236FlexibilityNo cancel feeOn-time79%
Singapore AirlinesCheapest$1,120Average$1,551FlexibilityNo cancel feeOn-time81%

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.