S$ 659+ Cheap flights to San Diego

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 20-1. Fares are subject to change and may not be available on all flights or dates of travel.
— SAN
13 Oct — 20 Oct1
1 adult
1 adult, Economy

Flights to San Diego in 2025

Find the latest flights to San Diego in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 200,618 searches and data was last updated on 13 September 2025.

Return from

S$ 1,144

One-way from

S$ 659

Popular in

December

Cheapest in

January

Average price

S$ 1,426
Air Canada
  • Air Canada
  • 9-10-16-10
  • 2 total stops
  • 45h 06m total
  • Singapore to San Diego
Air Canada
  • Air Canada
  • 20-1
  • 2 total stops
  • 26h 49m total
  • Singapore to San Diego
Highest demand for flights based on searches. 0% potential increase in price (S$ 16 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (S$ 46 potential savings vs. average return price).
Average for return flights in September 2025

Find flight deals to San Diego

Cheapest flights to San Diego
Explore the most affordable flight options available to San Diego. Find the lowest fares based on data from user searches, with prices last updated on 13 September 2025.

Thu 9-1009:10SIN - SAN
1 stop21h 41mAir Canada
Thu 16-1016:40SAN - SIN
1 stop23h 25mAir Canada
Deal found 11-9S$ 1,144
Sun 19-1009:10SIN - SAN
1 stop21h 41mMultiple Airlines
Thu 30-1018:10SAN - SIN
2 stops44h 30mMultiple Airlines
Deal found 13-9S$ 1,153
Sun 19-1009:10SIN - SAN
1 stop21h 41mAir Canada
Thu 30-1018:10SAN - SIN
1 stop21h 50mAir Canada
Deal found 13-9S$ 1,154
Fri 28-1108:50SIN - SAN
1 stop24h 34mAir Canada
Tue 2-1212:45SAN - SIN
1 stop26h 15mAir Canada
Deal found 11-9S$ 1,184
Fri 28-1108:50SIN - SAN
1 stop19h 13mMultiple Airlines
Tue 2-1213:05SAN - SIN
2 stops25h 55mMultiple Airlines
Deal found 11-9S$ 1,190
Mon 13-1015:10SIN - SAN
2 stops36h 06mMultiple Airlines
Mon 20-1017:31SAN - SIN
2 stops27h 29mMultiple Airlines
Deal found 12-9S$ 1,194
Sat 18-1002:00SIN - SAN
2 stops45h 29mChina Airlines
Thu 30-1018:38SAN - SIN
2 stops39h 02mChina Airlines
Deal found 13-9S$ 1,216
Wed 8-1003:15SIN - SAN
2 stops27h 36mMultiple Airlines
Thu 16-1016:40SAN - SIN
1 stop23h 25mMultiple Airlines
Deal found 11-9S$ 1,246
Thu 16-1009:10SIN - SAN
1 stop21h 41mMultiple Airlines
Sun 19-1020:39SAN - SIN
2 stops37h 06mMultiple Airlines
Deal found 12-9S$ 1,262
Thu 16-1009:10SIN - SAN
1 stop21h 41mAir Canada
Sun 19-1016:40SAN - SIN
1 stop23h 25mAir Canada
Deal found 12-9S$ 1,302

Cheapflights Fare Finder

 
Locate flights to San Diego that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 200,618 searches and data was last updated on 13 September 2025.
Use the filters below to find and compare flights to San Diego that are best for you.

Fly from

Singapore

Route

Depart

Return

Price

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Thu 9-10

09:10-15:51

1 stop21h 41m

San Diego

Thu 16-10

06:15-07:05

2 stops33h 50m

S$ 1,144

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Sun 19-10

09:10-15:51

1 stop21h 41m

San Diego

Thu 30-10

18:10-05:40

2 stops44h 30m

S$ 1,153

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Sun 19-10

09:10-15:51

1 stop21h 41m

San Diego

Thu 30-10

18:10-07:00

1 stop21h 50m

S$ 1,154

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Fri 28-11

08:50-12:03

1 stop19h 13m

San Diego

Tue 2-12

13:05-07:00

2 stops25h 55m

S$ 1,190

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Mon 13-10

15:10-12:16

2 stops36h 06m

San Diego

Mon 20-10

17:31-12:00

2 stops27h 29m

S$ 1,194

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Sun 19-10

13:45-08:29

2 stops33h 44m

San Diego

Thu 30-10

18:38-13:05

2 stops27h 27m

S$ 1,216

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Thu 16-10

09:10-15:51

1 stop21h 41m

San Diego

Sun 19-10

20:39-00:45

2 stops37h 06m

S$ 1,262

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Fri 13-2

08:50-12:03

1 stop19h 13m

S$ 667

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Sun 26-10

08:50-17:24

1 stop23h 34m

S$ 667

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Sun 26-10

15:15-23:04

3 stops46h 49m

S$ 676

Flights are sorted by cheapest return flights first.

Deals found on 12-9

Showing 1-10 of 13 results
1
2

Best time to book a flight to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego 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 to San Diego

What are the cheapest airlines that fly to San Diego?

The cheapest airline flying from Singapore to San Diego is United Airlines.

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 13 September 2025.
Read through reviews of airlines serving the United States, such as United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

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.

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

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.

FAQs about flying to San Diego

San Diego climate

The average daily temperature is 21 degrees Celsius. During the summer months and into October temperatures of 29C are not unusual. The city averages a mere 25cm (ten inches) of rain and even during the coldest months of December and January, temperatures still average a mild 20C.

Getting around San Diego

Like much of Southern California, the easiest way to get around San Diego is by car. You can find several rental car companies at the airport. Bus tickets are cheap and the trolley system is a great way to get around downtown or to nearby Tijuana. The Blue Line can take you through Old Town before crossing the border into Mexico. Tickets cost a few dollars and last for two hours. 

What is good to know if travelling to San Diego?

  • The Hotel del Coronado on Coronado Island is the largest wooden structure in the United States.
  • The zoo is home to a family of giant pandas, and when Hua Mei was born here, she was the first baby panda born in the Western Hemisphere since 1990 (she is now in China, mother of eight).
  • Deep discounts are available at the ARTS TIX booth downtown in Horton Plaza Park, where day-of-show tickets are available on a cash-only basis. Events include theatre, concert and dance throughout the city.
  • Each July, Mission Bay is home to a San Diego original, the Over-the-Line Tournament. This beach softball event dates from 1953 and is renowned for boisterous, anything-goes behaviour.
  • And for the holidays, kids of all ages gather in the lobby of Loews Coronado Bay Resort, where the Cat in the Hat gives regular readings of How the Grinch Stole Christmas. Theodor Geisel (Dr. Seuss) is one of San Diego’s most treasured native sons.
  • When is the best time to fly to San Diego?

    Peak season:  San Diego is a year-round destination and its high season takes in most of the year. Prices for San Diego flights and accommodation will be highest between May and August, November to January and all public holidays. If you are looking forward to the beach, beware the May Gray and June Gloom – fog by any other name.  Off season:  October, February and March are low-season months.  Shoulder season:  September and April are months of good weather and fewer crowds.

  • What airport do you fly into for flights to San Diego?

    For a flight to San Diego, you will be flying into San Diego. San Diego (SAN) is just 4.2 km from the centre of the city.

  • Can I find cheaper flights to San Diego if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to San Diego on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to San Diego?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to San Diego.

  • Does San Diego have rental cars?

    Yes. Those touching down at San Diego can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to San Diego?

    Yes. San Diego has hotels nearby for those requiring accommodations. Sheraton San Diego Resort is the closest property to San Diego (0.0 km away from San Diego).

See more FAQs

Travelling to a place near San Diego?

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