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

Japan 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$ 1,375 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$ 1,238 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$ 1,419, based on KAYAK data over the past 12 months. Return fares from Singapore average S$ 1,419.

What is the cheapest day to fly to San Diego?

Monday is the cheapest day to fly to San Diego at S$ 1,385 return on average over the past 12 months on KAYAK. Sunday is the most expensive at S$ 2,071.

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

Afternoon flights to San Diego are the cheapest at S$ 1,385 return on average. Morning flights are the most expensive at S$ 1,481.

What is a good deal for flights to San Diego?

Flights under S$ 1,375 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$ 1,375.

What are the most popular airlines flying to San Diego?

Air Canada is the most popular airline flying to San Diego on KAYAK, followed by United Airlines.

S$ 1,224 CHEAP FLIGHTS to San Diego in 2026/27

Save 17% 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$ 1,238

Typical prices: S$ 1,375-S$ 1,508

Multiple Airlines

Mon 12-11Thu 22-11

SIN - SAN • 1 stop

Cheapest one-way flight

S$ 655

Typical prices: S$ 794-S$ 1,383

Multiple Airlines

Tue 13-11

SIN - SAN • 1 stop

Top airlines

United Airlines

Best reviews • 7.4 score

Airline reviews

When to travel

September

Cheapest • 13% price drop

November

Most popular

Good to know

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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.

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Recent return flight deals to San Diego

Thu, 19 Nov - Sun, 22 Nov

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

23h 15m1 stop Vancouver Intl

06:45 - 07:00SAN San Diego-SIN Singapore Changi

32h 15m2 stops Denver Intl Vancouver Intl

S$ 1,224Air Canada

Thu, 19 Nov - Sun, 22 Nov

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

23h 15m1 stop Vancouver Intl

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

21h 45m1 stop Vancouver Intl

S$ 1,234Air Canada

Thu, 19 Nov - Sun, 22 Nov

08:40 - 17:15SIN Singapore Changi-SAN San Diego

24h 35m2 stops Vancouver Intl Denver Intl

06:45 - 07:00SAN San Diego-SIN Singapore Changi

32h 15m2 stops Denver Intl Vancouver Intl

S$ 1,237Air Canada

Thu, 12 Nov - Sun, 22 Nov

09:05 - 18:38SIN Singapore Changi-SAN San Diego

25h 33m1 stop San Francisco

20:11 - 05:00SAN San Diego-SIN Singapore Changi

40h 49m2 stops San Francisco Incheon Intl

S$ 1,238Multiple Airlines

Thu, 12 Nov - Sun, 22 Nov

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

31h 39m2 stops Vancouver Intl San Francisco

06:45 - 07:00SAN San Diego-SIN Singapore Changi

32h 15m2 stops Denver Intl Vancouver Intl

S$ 1,260Air Canada

Tue, 10 Nov - Fri, 27 Nov

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

23h 45m1 stop Vancouver Intl

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

32h 45m2 stops San Francisco Vancouver Intl

S$ 1,272Air Canada

Thu, 12 Nov - Thu, 3 Dec

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

23h 15m1 stop Vancouver Intl

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

22h 15m1 stop Vancouver Intl

S$ 1,272Air Canada

Tue, 10 Nov - Fri, 27 Nov

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

23h 45m1 stop Vancouver Intl

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

21h 45m1 stop Vancouver Intl

S$ 1,272Air Canada

Tue, 10 Nov - Thu, 3 Dec

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

23h 45m1 stop Vancouver Intl

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

22h 15m1 stop Vancouver Intl

S$ 1,272Air Canada

Thu, 12 Nov - Fri, 27 Nov

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

23h 15m1 stop Vancouver Intl

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

32h 45m2 stops San Francisco Vancouver Intl

S$ 1,272Air Canada

All return flight deals to San Diego

Thu, 19 Nov - Sun, 22 Nov

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

23h 15m1 stop Vancouver Intl

06:45 - 07:00SAN San Diego-SIN Singapore Changi

32h 15m2 stops Denver Intl Vancouver Intl

S$ 1,224Air Canada

Thu, 19 Nov - Sun, 22 Nov

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

23h 15m1 stop Vancouver Intl

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

21h 45m1 stop Vancouver Intl

S$ 1,234Air Canada

Thu, 19 Nov - Sun, 22 Nov

08:40 - 17:15SIN Singapore Changi-SAN San Diego

24h 35m2 stops Vancouver Intl Denver Intl

06:45 - 07:00SAN San Diego-SIN Singapore Changi

32h 15m2 stops Denver Intl Vancouver Intl

S$ 1,237Air Canada

Thu, 12 Nov - Sun, 22 Nov

09:05 - 18:38SIN Singapore Changi-SAN San Diego

25h 33m1 stop San Francisco

20:11 - 05:00SAN San Diego-SIN Singapore Changi

40h 49m2 stops San Francisco Incheon Intl

S$ 1,238Multiple Airlines

Thu, 12 Nov - Sun, 22 Nov

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

31h 39m2 stops Vancouver Intl San Francisco

06:45 - 07:00SAN San Diego-SIN Singapore Changi

32h 15m2 stops Denver Intl Vancouver Intl

S$ 1,260Air Canada

Tue, 10 Nov - Fri, 27 Nov

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

23h 45m1 stop Vancouver Intl

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

32h 45m2 stops San Francisco Vancouver Intl

S$ 1,272Air Canada

Thu, 12 Nov - Thu, 3 Dec

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

23h 15m1 stop Vancouver Intl

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

22h 15m1 stop Vancouver Intl

S$ 1,272Air Canada

Tue, 10 Nov - Fri, 27 Nov

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

23h 45m1 stop Vancouver Intl

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

21h 45m1 stop Vancouver Intl

S$ 1,272Air Canada

Tue, 10 Nov - Thu, 3 Dec

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

23h 45m1 stop Vancouver Intl

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

22h 15m1 stop Vancouver Intl

S$ 1,272Air Canada

Thu, 12 Nov - Fri, 27 Nov

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

23h 15m1 stop Vancouver Intl

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

32h 45m2 stops San Francisco Vancouver Intl

S$ 1,272Air Canada

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$ 1,238 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$ 1,419, based on KAYAK data over the past 12 months. Return fares from Singapore average S$ 1,419.
What is the cheapest day to fly to San Diego?: Monday is the cheapest day to fly to San Diego at S$ 1,385 return on average over the past 12 months on KAYAK. Sunday is the most expensive at S$ 2,071.
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.: Afternoon flights to San Diego are the cheapest at S$ 1,385 return on average. Morning flights are the most expensive at S$ 1,481.
What is a good deal for flights to San Diego?: Flights under S$ 1,375 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$ 1,375.

Find deals

Low season	June
High season	November
Cheapest flight	S$ 655

Beat the crowds with an average 52% drop in traveller numbers.

The most popular month to fly with an average 43% increase in traveller numbers.

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$ 1,375 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?
Japan 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$ 1,375. 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 September. Return fares historically average S$ 1,234, making September 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 midday to save up to S$ 96 on a return flight. Midday flights to San Diego average S$ 1,385 compared to S$ 1,481 for morning 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.

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S$ 655 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

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 day to fly 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

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