What is the difference between the most popular and the most frequent airline at San Diego?

United Airlines operates the most flights from Singapore to San Diego at 0 per week, while Air Canada is the airline most often selected by KAYAK users searching for flights from Singapore to San Diego. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveller choice.

How far is San Diego from San Diego city centre?

San Diego is 3.3 km from San Diego city centre.

How do I know if a flight to San Diego is a good deal?

A good deal on a flight to San Diego is around S$ 1,382 return. This fare is in the lowest 25% of return flight prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

What is the cheapest flight to San Diego?

Singapore to San Diego is the cheapest route at S$ 1,166 return, found in the past 5 days on KAYAK. KAYAK data shows this is also the most popular route.

How much is a flight to San Diego?

On average, a return flight from Singapore to San Diego costs S$ 1,484, based on KAYAK data over the past 12 months. Return fares from Singapore average S$ 1,484.

What is the cheapest time of day to fly to San Diego?

Morning flights to San Diego are the cheapest at S$ 1,483 return on average. Afternoon flights are the most expensive at S$ 1,797.

What is a good deal for flights to San Diego?

Flights under S$ 1,382 are considered a good deal. 25% of KAYAK users found return flights to San Diego at or below these prices, with the lowest fares from: •Singapore S$ 1,382.

What are the most popular airlines flying to San Diego?

Air Canada is the most popular airline flying to San Diego among KAYAK users, followed by STARLUX Airlines and United Airlines.

S$ 721 CHEAP FLIGHTS to San Diego in 2026/27

Save 19% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest return flight

S$ 1,166

Typical prices: S$ 1,382-S$ 1,797

Air Canada

Tue 20-11Tue 27-11

SIN - SAN • 1 stop

Cheapest one-way flight

S$ 712

Typical prices: S$ 800-S$ 1,398

Multiple Airlines

Sat 17-11

SIN - SAN • 2 stops

Top airlines

STARLUX Airlines

Best reviews • 8.8 score

Airline reviews

When to travel

February

Cheapest • 7% price drop

March

Most popular

Good to know

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you enjoy your trip to San Diego!

Flight Deals

Cheap Flights to San Diego

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Last minute

All Flight Deals

Recent return flight deals to San Diego

Fri, 20 Nov - Fri, 27 Nov

08:40 - 16:25Singapore Singapore Changi-San Diego San Diego

23h 45m1 stop Vancouver Intl

17:15 - 07:00San Diego San Diego-Singapore Singapore Changi

21h 45m1 stop Vancouver Intl

S$ 1,166Air Canada

2 days ago

Thu, 19 Nov - Thu, 26 Nov

08:40 - 00:19Singapore Singapore Changi-San Diego San Diego

31h 39m2 stops Vancouver Intl San Francisco

16:45 - 07:00San Diego San Diego-Singapore Singapore Changi

22h 15m1 stop Vancouver Intl

S$ 1,203Air Canada

3+ days ago

Fri, 20 Nov - Fri, 27 Nov

08:40 - 00:19Singapore Singapore Changi-San Diego San Diego

31h 39m2 stops Vancouver Intl San Francisco

17:15 - 07:00San Diego San Diego-Singapore Singapore Changi

21h 45m1 stop Vancouver Intl

S$ 1,205Air Canada

2 days ago

Fri, 20 Nov - Fri, 27 Nov

08:40 - 00:19Singapore Singapore Changi-San Diego San Diego

31h 39m2 stops Vancouver Intl San Francisco

06:15 - 07:00San Diego San Diego-Singapore Singapore Changi

32h 45m2 stops San Francisco Vancouver Intl

S$ 1,210Air Canada

2 days ago

Thu, 19 Nov - Thu, 26 Nov

08:40 - 15:55Singapore Singapore Changi-San Diego San Diego

23h 15m1 stop Vancouver Intl

16:45 - 07:00San Diego San Diego-Singapore Singapore Changi

22h 15m1 stop Vancouver Intl

S$ 1,221Air Canada

3+ days ago

Thu, 19 Nov - Thu, 26 Nov

08:40 - 00:19Singapore Singapore Changi-San Diego San Diego

31h 39m2 stops Vancouver Intl San Francisco

06:15 - 07:00San Diego San Diego-Singapore Singapore Changi

32h 45m2 stops San Francisco Vancouver Intl

S$ 1,285Air Canada

3+ days ago

Tue, 22 Dec - Fri, 22 Jan

08:40 - 16:10Singapore Singapore Changi-San Diego San Diego

23h 30m1 stop Vancouver Intl

16:45 - 07:00San Diego San Diego-Singapore Singapore Changi

22h 15m1 stop Vancouver Intl

S$ 1,300Air Canada

2 days ago

Thu, 22 Oct - Sun, 25 Oct

08:05 - 10:06Singapore Singapore Changi-San Diego San Diego

41h 01m2 stops Tokyo Narita San Francisco

12:45 - 00:50San Diego San Diego-Singapore Singapore Changi

21h 05m1 stop Tokyo Narita

S$ 1,310Japan Airlines

1 day ago

Tue, 22 Dec - Fri, 22 Jan

08:40 - 22:29Singapore Singapore Changi-San Diego San Diego

29h 49m2 stops Vancouver Intl San Francisco

16:45 - 07:00San Diego San Diego-Singapore Singapore Changi

22h 15m1 stop Vancouver Intl

S$ 1,312Air Canada

1 day ago

Tue, 22 Dec - Fri, 22 Jan

08:40 - 16:10Singapore Singapore Changi-San Diego San Diego

23h 30m1 stop Vancouver Intl

12:17 - 07:00San Diego San Diego-Singapore Singapore Changi

26h 43m2 stops San Francisco Vancouver Intl

S$ 1,376Air Canada

2 days ago

Recent last minute flight deals to San Diego

Mon, 12 Oct - Thu, 15 Oct

19:40 - 23:26Singapore Singapore Changi-San Diego San Diego

42h 46m2 stops Doha Hamad Intl Seattle/Tacoma Intl

14:22 - 21:15San Diego San Diego-Singapore Singapore Changi

39h 53m2 stops New York John F Kennedy Intl Doha Hamad Intl

S$ 1,840Qatar Airways

3+ days ago

Mon, 12 Oct - Thu, 15 Oct

19:40 - 23:26Singapore Singapore Changi-San Diego San Diego

42h 46m2 stops Doha Hamad Intl Seattle/Tacoma Intl

14:22 - 21:15San Diego San Diego-Singapore Singapore Changi

39h 53m2 stops New York John F Kennedy Intl Doha Hamad Intl

S$ 1,843Qatar Airways

3+ days ago

Mon, 12 Oct - Thu, 15 Oct

08:45 - 20:39Singapore Singapore Changi-San Diego San Diego

26h 54m2 stops San Francisco Denver Intl

07:30 - 18:35San Diego San Diego-Singapore Singapore Changi

20h 05m1 stop San Francisco

S$ 1,846United Airlines

3+ days ago

Mon, 12 Oct - Thu, 15 Oct

08:45 - 20:39Singapore Singapore Changi-San Diego San Diego

26h 54m2 stops San Francisco Denver Intl

07:30 - 18:35San Diego San Diego-Singapore Singapore Changi

20h 05m1 stop San Francisco

S$ 1,847United Airlines

1 day ago

Mon, 12 Oct - Thu, 15 Oct

08:45 - 17:26Singapore Singapore Changi-San Diego San Diego

23h 41m2 stops San Francisco Los Angeles

07:30 - 18:35San Diego San Diego-Singapore Singapore Changi

20h 05m1 stop San Francisco

S$ 1,848United Airlines

3+ days ago

Mon, 12 Oct - Thu, 15 Oct

08:45 - 12:18Singapore Singapore Changi-San Diego San Diego

18h 33m1 stop San Francisco

06:15 - 18:35San Diego San Diego-Singapore Singapore Changi

21h 20m1 stop San Francisco

S$ 1,848United Airlines

3+ days ago

Mon, 12 Oct - Thu, 15 Oct

19:40 - 23:26Singapore Singapore Changi-San Diego San Diego

42h 46m2 stops Doha Hamad Intl Seattle/Tacoma Intl

14:22 - 21:15San Diego San Diego-Singapore Singapore Changi

39h 53m2 stops New York John F Kennedy Intl Doha Hamad Intl

S$ 1,908Qatar Airways

3+ days ago

Sun, 11 Oct - Thu, 15 Oct

03:15 - 21:58Singapore Singapore Changi-San Diego San Diego

33h 43m2 stops Doha Hamad Intl Seattle/Tacoma Intl

09:20 - 21:15San Diego San Diego-Singapore Singapore Changi

44h 55m2 stops Seattle/Tacoma Intl Doha Hamad Intl

S$ 1,922Qatar Airways

2 days ago

Sun, 11 Oct - Thu, 15 Oct

03:15 - 19:43Singapore Singapore Changi-San Diego San Diego

31h 28m2 stops Doha Hamad Intl Seattle/Tacoma Intl

14:22 - 21:15San Diego San Diego-Singapore Singapore Changi

39h 53m2 stops New York John F Kennedy Intl Doha Hamad Intl

S$ 2,021Qatar Airways

1 day ago

Mon, 12 Oct - Thu, 15 Oct

08:45 - 12:18Singapore Singapore Changi-San Diego San Diego

18h 33m1 stop San Francisco

06:15 - 18:35San Diego San Diego-Singapore Singapore Changi

21h 20m1 stop San Francisco

S$ 2,170United Airlines

3+ days ago

All return flight deals to San Diego

Fri, 20 Nov - Fri, 27 Nov

08:40 - 16:25Singapore Singapore Changi-San Diego San Diego

23h 45m1 stop Vancouver Intl

17:15 - 07:00San Diego San Diego-Singapore Singapore Changi

21h 45m1 stop Vancouver Intl

S$ 1,166Air Canada

2 days ago

Thu, 19 Nov - Thu, 26 Nov

08:40 - 00:19Singapore Singapore Changi-San Diego San Diego

31h 39m2 stops Vancouver Intl San Francisco

16:45 - 07:00San Diego San Diego-Singapore Singapore Changi

22h 15m1 stop Vancouver Intl

S$ 1,203Air Canada

3+ days ago

Fri, 20 Nov - Fri, 27 Nov

08:40 - 00:19Singapore Singapore Changi-San Diego San Diego

31h 39m2 stops Vancouver Intl San Francisco

17:15 - 07:00San Diego San Diego-Singapore Singapore Changi

21h 45m1 stop Vancouver Intl

S$ 1,205Air Canada

2 days ago

Fri, 20 Nov - Fri, 27 Nov

08:40 - 00:19Singapore Singapore Changi-San Diego San Diego

31h 39m2 stops Vancouver Intl San Francisco

06:15 - 07:00San Diego San Diego-Singapore Singapore Changi

32h 45m2 stops San Francisco Vancouver Intl

S$ 1,210Air Canada

2 days ago

Thu, 19 Nov - Thu, 26 Nov

08:40 - 15:55Singapore Singapore Changi-San Diego San Diego

23h 15m1 stop Vancouver Intl

16:45 - 07:00San Diego San Diego-Singapore Singapore Changi

22h 15m1 stop Vancouver Intl

S$ 1,221Air Canada

3+ days ago

Thu, 19 Nov - Thu, 26 Nov

08:40 - 00:19Singapore Singapore Changi-San Diego San Diego

31h 39m2 stops Vancouver Intl San Francisco

06:15 - 07:00San Diego San Diego-Singapore Singapore Changi

32h 45m2 stops San Francisco Vancouver Intl

S$ 1,285Air Canada

3+ days ago

Tue, 22 Dec - Fri, 22 Jan

08:40 - 16:10Singapore Singapore Changi-San Diego San Diego

23h 30m1 stop Vancouver Intl

16:45 - 07:00San Diego San Diego-Singapore Singapore Changi

22h 15m1 stop Vancouver Intl

S$ 1,300Air Canada

2 days ago

Thu, 22 Oct - Sun, 25 Oct

08:05 - 10:06Singapore Singapore Changi-San Diego San Diego

41h 01m2 stops Tokyo Narita San Francisco

12:45 - 00:50San Diego San Diego-Singapore Singapore Changi

21h 05m1 stop Tokyo Narita

S$ 1,310Japan Airlines

1 day ago

Tue, 22 Dec - Fri, 22 Jan

08:40 - 22:29Singapore Singapore Changi-San Diego San Diego

29h 49m2 stops Vancouver Intl San Francisco

16:45 - 07:00San Diego San Diego-Singapore Singapore Changi

22h 15m1 stop Vancouver Intl

S$ 1,312Air Canada

1 day ago

Tue, 22 Dec - Fri, 22 Jan

08:40 - 16:10Singapore Singapore Changi-San Diego San Diego

23h 30m1 stop Vancouver Intl

12:17 - 07:00San Diego San Diego-Singapore Singapore Changi

26h 43m2 stops San Francisco Vancouver Intl

S$ 1,376Air Canada

2 days ago

Booking Insights

Price, demand, and travel trends for flights to San Diego

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

What is the cheapest flight to San Diego?: Singapore to San Diego is the cheapest route at S$ 1,166 return, found in the past 5 days on KAYAK. KAYAK data shows this is also the most popular route.
How much is a flight to San Diego? Average and cheapest price for all return flights to San Diego from each origin found by users searching on KAYAK in the last 12 months.: On average, a return flight from Singapore to San Diego costs S$ 1,484, based on KAYAK data over the past 12 months. Return fares from Singapore average S$ 1,484.
What is the cheapest time of day to fly to San Diego? Average price for all return flights depending on time of departure, seen by users on KAYAK in the last 12 months.: Morning flights to San Diego are the cheapest at S$ 1,483 return on average. Afternoon flights are the most expensive at S$ 1,797.
What is a good deal for flights to San Diego?: Flights under S$ 1,382 are considered a good deal. 25% of KAYAK users found return flights to San Diego at or below these prices, with the lowest fares from:
•Singapore S$ 1,382.

Find deals

Low season	October
High season	March
Cheapest flight	S$ 712

One-way flight from Singapore to San Diego

When to book flights to San Diego

Are your dates flexible? Find out the best times to travel to San Diego based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. The information is for flights to San Diego based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

How do I know if a flight to San Diego is a good deal?
A good deal on a flight to San Diego is around S$ 1,382 return. This fare is in the lowest 25% of return flight prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.
How far is San Diego from San Diego city centre?
San Diego is 3.3 km from San Diego city centre.
What is the difference between the most popular and the most frequent airline at San Diego?
United Airlines operates the most flights from Singapore to San Diego at 0 per week, while Air Canada is the airline most often selected by KAYAK users searching for flights from Singapore to San Diego. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveller choice.

For flights to San Diego, a good return fare is around S$ 1,382. If you find a fare below that, you're getting a strong deal.
If your travel dates are flexible, consider flying to San Diego in February. Return fares historically average S$ 1,382, making February the cheapest month to travel based on KAYAK data from the last 12 months.
Before you book:

• Check the route's typical price range so you can spot a deal.
• Confirm baggage fees and seat selection costs on budget carriers.
• Verify whether you need any travel documents beyond an ID.
• Pick a departure airport, since your nearest may not be the cheapest origin.
Shift your departure to morning to save up to S$ 314 on a return flight. Morning flights to San Diego average S$ 1,483 compared to S$ 1,797 for midday flights.
Once you arrive in San Diego, a great place to start is La Jolla Cove. It is popular with first-time visitors and can give you a good feel for the area.

More options for your flight to San Diego

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S$ 712 Find Cheap Flights to San Diego – Compare and Save

Everything you should know

Cheap Flights to San Diego

Recent return flight deals to San Diego

Recent one-way flight deals to San Diego

Recent last minute flight deals to San Diego

All return flight deals to San Diego

Price, demand, and travel trends for flights to San Diego

What is the cheapest flight to San Diego?

How much is a flight to San Diego?

What is the cheapest time of day to fly to San Diego?

What is a good deal for flights to San Diego?

What are the most popular airlines flying to San Diego?

Key details for flights to San Diego

Low season

High season

Cheapest flight

When to book flights to San Diego

Your questions about flights to San Diego, answered

Your guide to booking San Diego flights

More options for your flight to San Diego

Complete your trip to San Diego with a hotel stay or car hire

Information on the airport you'll fly into in San Diego

Cabin class types available on flights to San Diego

Flights from local origins to San Diego

Flights to other popular destinations

Find deals for your return flight