Find flights
When to book
Airlines
FAQs

Cheap flights from Singapore to San Diego from S$ 721

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 30-8. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SAN
18 May — 25 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Singapore to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Singapore to San Diego
Explore the most affordable flight options available from Singapore to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2026.

Sun 30-802:00
SIN
-
SAN
2 stops45h 48m
Multiple Airlines
Sun 6-915:40
SAN
-
SIN
2 stops41h 55m
Multiple Airlines
Deal found 15-4S$ 1,390
Fri 23-1009:15
SIN
-
SAN
1 stop22h 12m
Multiple Airlines
Tue 3-1121:59
SAN
-
SIN
1 stop29h 06m
Multiple Airlines
Deal found 14-4S$ 1,403
Sat 24-1015:20
SIN
-
SAN
2 stops31h 23m
Multiple Airlines
Tue 3-1118:00
SAN
-
SIN
2 stops26h 05m
Multiple Airlines
Deal found 14-4S$ 1,406
Sat 22-815:20
SIN
-
SAN
2 stops32h 28m
Multiple Airlines
Fri 28-821:29
SAN
-
SIN
2 stops23h 26m
Multiple Airlines
Deal found 17-4S$ 1,410
Thu 29-1014:45
SIN
-
SAN
2 stops24h 11m
STARLUX Airlines
Mon 2-1113:45
SAN
-
SIN
2 stops31h 40m
STARLUX Airlines
Deal found 17-4S$ 1,439
Thu 29-1022:20
SIN
-
SAN
2 stops26h 35m
United Airlines
Mon 2-1107:15
SAN
-
SIN
1 stop21h 00m
United Airlines
Deal found 17-4S$ 1,459
Mon 31-809:15
SIN
-
SAN
1 stop22h 55m
Singapore Airlines
Sun 6-921:29
SAN
-
SIN
1 stop30h 41m
Singapore Airlines
Deal found 15-4S$ 1,462
Sat 24-1020:35
SIN
-
SAN
1 stop18h 54m
United Airlines
Tue 3-1117:00
SAN
-
SIN
2 stops23h 00m
United Airlines
Deal found 14-4S$ 1,510
Thu 15-1001:25
SIN
-
SAN
2 stops31h 34m
Korean Air
Tue 20-1007:00
SAN
-
SIN
2 stops25h 55m
Korean Air
Deal found 13-4S$ 1,519

Find flight deals from Singapore to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to San Diego (SAN). 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 18 April 2026.

Round-trip from

S$ 1,390

One-way from

S$ 721

Popular in

April

Cheapest in

October

Average price

S$ 2,198
30-8-6-9
  • 30-8-6-9
  • 4 total stops
  • 87h 43m total
  • Singapore to San Diego
Search Deals
30-8
  • 30-8
  • 3 total stops
  • 51h 59m total
  • Singapore to San Diego
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (S$ 60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (S$ 82 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Singapore to San Diego 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 200,618 searches. Data last updated 18 April 2026.
Use the filters below to find and compare flights from Singapore to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Sat 22-8

09:15-17:20

1 stop23h 05m

San Diego

Fri 28-8

07:00-19:10

1 stop21h 10m

S$ 1,473
Fastest return journey

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Sat 22-8

08:05-17:13

2 stops24h 08m

San Diego

Fri 28-8

13:35-00:20

1 stop19h 45m

S$ 1,697

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Tue 30-6

03:15-20:49

2 stops32h 34m

San Diego

Wed 8-7

07:18-08:50

2 stops34h 32m

S$ 1,777

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Mon 1-6

14:00-23:59

2 stops24h 59m

San Diego

Mon 8-6

17:17-12:40

2 stops28h 23m

S$ 1,980

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Wed 10-6

13:10-09:35

2 stops35h 25m

San Diego

Tue 16-6

17:35-11:55

2 stops27h 20m

S$ 2,017

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Thu 7-5

02:00-10:19

2 stops47h 19m

San Diego

Fri 29-5

12:30-05:15

1 stop25h 45m

S$ 2,027

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Sun 31-5

13:45-07:58

2 stops33h 13m

San Diego

Sun 7-6

19:56-00:35

2 stops37h 39m

S$ 2,042

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Thu 11-6

08:45-23:54

2 stops30h 09m

San Diego

Tue 16-6

06:20-18:35

1 stop21h 15m

S$ 2,053

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Wed 10-6

20:35-10:08

2 stops28h 33m

San Diego

Tue 16-6

06:20-18:35

1 stop21h 15m

S$ 2,053
Cheapest one-way

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Sun 30-8

10:50-23:49

3 stops51h 59m

S$ 721

Flights are sorted by cheapest return flights first.

Deals found on 15-4

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Singapore to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Singapore with our price prediction graph.
Estimated return 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 Singapore to San Diego

How much does it cost for a return flight from Singapore to San Diego?

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated 18 April 2026.
See what other customers who have flown with United Airlines from Singapore to San Diego have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,605 reviews
Check prices

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,605 reviews
United Airlines
7.4
Good
9,605 reviews
Check prices

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Singapore to San Diego. 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 Singapore to San Diego?

    There are many flights that can get you from Singapore to San Diego in 24h 08m. Fly via Japan Airlines, Qatar Airways, or STARLUX Airlines to get the fastest option. There are 14259 km between Singapore and San Diego. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Singapore to San Diego round-trip?

    Our cheapest airline available from Singapore to San Diego is United Airlines. Our recent data shows that you can find tickets from as low as S$ 1,138 on this airline. You may be able to fly from Singapore to San Diego for 29% less than the average price by searching for this airline.

  • Can I find deals for flights from Singapore to San Diego that include hotel bookings?

    Yes. In addition to deals on Singapore to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Singapore to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to San Diego.

  • Can I find deals for business class flights from Singapore to San Diego?

    Yes. Cheapflights offers flight deals from Singapore to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Chula Vista

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.

Fly from Singapore to San Diego on these airlines

Choose from the following airlines for your flight from Singapore to San Diego. Flights are based on user searches made on Cheapflights and were last updated on 18 April 2026.
United Airlines flights from Singapore Changi to San Diego

Top airline flying from Singapore to San Diego

Discover the top airline that operate flights from Singapore to San Diego. 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 200,618 searches. Data last updated 18 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 1,138AverageS$ 1,472FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Singapore to San Diego?

Cheapflights makes it easy to find Singapore to San Diego flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Singapore to San Diego?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Singapore to San Diego for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Singapore to San Diego with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Singapore to San Diego, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Singapore to San Diego become cheaper?

Not ready to book yet? You can track prices for flights from Singapore to San Diego on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.