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$485+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SIN
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$833
(Air Canada)

One-way from

$485
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$1,271
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 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).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This Air Canada deal was found by Cheapflights users on 4/27. 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.
Fri 9/1912:40 pmSAN - SIN
1 stop27h 25mAir Canada
Thu 9/259:10 amSIN - SAN
1 stop21h 57mAir Canada
Deal found 4/27$833
This StudentUniverse deal was found by Cheapflights users on 4/28. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:50 pmSAN - SIN
1 stop29h 45mSingapore Airlines
Tue 10/219:15 amSIN - SAN
1 stop37h 19mSingapore Airlines
Deal found 4/28$878
This Air Canada deal was found by Cheapflights users on 4/27. 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.
Fri 9/192:21 pmSAN - SIN
2 stops25h 44mMultiple Airlines
Wed 9/246:15 amSIN - SAN
2 stops24h 52mMultiple Airlines
Deal found 4/27$889
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/98:11 pmSAN - SIN
1 stop19h 04mUnited Airlines
Mon 10/208:45 amSIN - SAN
1 stop22h 45mUnited Airlines
Deal found 4/28$994
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/78:00 amSAN - SIN
2 stops25h 45mANA
Wed 10/2211:05 amSIN - SAN
2 stops23h 46mANA
Deal found 4/28$1,028
This oojo deal was found by Cheapflights users on 4/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/106:15 amSAN - SIN
2 stops39h 20mChina Airlines
Sat 8/232:00 amSIN - SAN
2 stops45h 52mChina Airlines
Deal found 4/27$1,045
This Expedia deal was found by Cheapflights users on 4/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/186:15 amSAN - SIN
2 stops46h 40mKorean Air
Mon 6/21:10 amSIN - SAN
2 stops28h 47mKorean Air
Deal found 4/28$1,055
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/91:05 pmSAN - SIN
1 stop20h 15mJapan Airlines
Wed 10/228:05 amSIN - SAN
2 stops23h 32mJapan Airlines
Deal found 4/28$1,134
This oojo deal was found by Cheapflights users on 4/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:15 amSAN - SIN
2 stops38h 45mEVA Air
Tue 5/63:10 pmSIN - SAN
2 stops32h 05mEVA Air
Deal found 4/27$1,136
This StudentUniverse deal was found by Cheapflights users on 4/28. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/44:29 pmSAN - SIN
2 stops37h 06mCathay Pacific
Fri 8/151:50 amSIN - SAN
2 stops35h 40mCathay Pacific
Deal found 4/28$1,201
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:15 amSAN - SIN
2 stops26h 25mDelta
Sun 10/191:10 amSIN - SAN
2 stops31h 50mDelta
Deal found 4/28$1,458
This Qatar Airways deal was found by Cheapflights users on 4/28. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/99:40 amSAN - SIN
2 stops32h 20mQatar Airways
Sun 10/193:10 amSIN - SAN
2 stops30h 37mQatar Airways
Deal found 4/28$1,503

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 April 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

Fri 9/19

12:40 pm-7:05 am

1 stop27h 25m

Singapore Changi

Thu 9/25

9:10 am-4:07 pm

1 stop21h 57m

$833

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 10/8

8:50 pm-5:35 pm

1 stop29h 45m

Singapore Changi

Tue 10/21

9:15 am-7:34 am

1 stop37h 19m

$878

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Fri 9/19

2:21 pm-7:05 am

2 stops25h 44m

Singapore Changi

Wed 9/24

6:15 am-4:07 pm

2 stops24h 52m

$889

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Thu 10/9

7:21 pm-6:15 am

1 stop19h 54m

Singapore Changi

Tue 10/21

8:40 pm-12:13 am

1 stop18h 33m

$994

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Tue 10/7

8:00 am-12:45 am

2 stops25h 45m

Singapore Changi

Wed 10/22

11:05 am-7:51 pm

2 stops23h 46m

$1,028

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Sun 8/10

6:15 am-12:35 pm

2 stops39h 20m

Singapore Changi

Sat 8/23

2:00 am-8:52 am

2 stops45h 52m

$1,045

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Sun 5/18

6:15 am-7:55 pm

2 stops46h 40m

Singapore Changi

Mon 6/2

1:10 am-2:57 pm

2 stops28h 47m

$1,055

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Thu 10/9

1:05 pm-12:20 am

1 stop20h 15m

Singapore Changi

Wed 10/22

8:05 am-4:37 pm

2 stops23h 32m

$1,134

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Mon 8/4

4:29 pm-8:35 pm

2 stops37h 06m

Singapore Changi

Fri 8/15

1:50 am-10:30 pm

2 stops35h 40m

$1,201

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 10/8

6:15 am-11:40 pm

2 stops26h 25m

Singapore Changi

Sun 10/19

1:10 am-6:00 pm

2 stops31h 50m

$1,458

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 18 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Diego-Singapore flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

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 April 25, 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 April 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.

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 April 29, 2025.
See what other customers who have flown with Korean Air, Japan Airlines and China 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.
Korean Air
8.4
Very good
1,063 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,063 reviews
Korean Air
8.4
Very good
1,063 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Japan Airlines
8.3
Very good
1,459 reviews
Korean Air
8.4
Very good
1,063 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
China Airlines
8.3
Very good
729 reviews
Korean Air
8.4
Very good
1,063 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
ANA
8.3
Very good
855 reviews
Korean Air
8.4
Very good
1,063 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Singapore Airlines
8.1
Very good
1,292 reviews
Korean Air
8.4
Very good
1,063 reviews

Boarding

8.5

Comfort

8.3

Crew

8.7

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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 $833. Additional round-trip tickets that might be worth considering are offered by Singapore Airlines and United Airlines, with the lowest prices starting at $878 and $994, respectively. Air Canada is 37% 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 $485. Japan Airlines flights start at $542 while deals on Korean Air start at $680 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$811Average$1,328FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$947Average$1,139FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$949Average$1,375FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$1,148Average$1,510FlexibilityNo cancel feeOn-time81%

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