S$ 603+ 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
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

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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 27 October 2025.

Tue 11-1108:50SIN - SAN
1 stop19h 13mAir Canada
Thu 13-1109:54SAN - SIN
2 stops29h 06mAir Canada
Deal found 26-10S$ 1,040
Tue 4-1108:50SIN - SAN
2 stops27h 58mAir Canada
Tue 11-1118:10SAN - SIN
2 stops38h 45mAir Canada
Deal found 26-10S$ 1,043
Tue 11-1121:00SIN - SAN
2 stops31h 03mMultiple Airlines
Thu 13-1113:10SAN - SIN
2 stops25h 50mMultiple Airlines
Deal found 26-10S$ 1,122
Sun 2-1121:00SIN - SAN
2 stops36h 24mAir Canada
Tue 11-1118:10SAN - SIN
2 stops38h 45mAir Canada
Deal found 26-10S$ 1,184
Thu 6-1108:50SIN - SAN
2 stops22h 05mAir Canada
Tue 11-1118:10SAN - SIN
2 stops38h 45mAir Canada
Deal found 26-10S$ 1,196
Mon 3-1115:45SIN - SAN
2 stops23h 55mMultiple Airlines
Tue 11-1117:30SAN - SIN
2 stops29h 00mMultiple Airlines
Deal found 26-10S$ 1,277
Mon 3-1110:10SIN - SAN
1 stop26h 38mUnited Airlines
Tue 11-1106:15SAN - SIN
1 stop22h 00mUnited Airlines
Deal found 26-10S$ 1,353
Sat 1-1110:10SIN - SAN
1 stop25h 38mUnited Airlines
Tue 11-1119:50SAN - SIN
1 stop20h 10mUnited Airlines
Deal found 26-10S$ 1,402
Mon 10-1102:00SIN - SAN
2 stops53h 27mChina Airlines
Thu 13-1116:07SAN - SIN
2 stops28h 58mChina Airlines
Deal found 26-10S$ 1,417
Fri 7-1108:50SIN - SAN
2 stops43h 03mAir Canada
Tue 11-1118:10SAN - SIN
2 stops38h 45mAir Canada
Deal found 26-10S$ 1,511

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 27 October 2025.

Return from

S$ 1,040

One-way from

S$ 603

Popular in

June

Cheapest in

January

Average price

S$ 1,381
Air Canada
  • Air Canada
  • 11-11-13-11
  • 3 total stops
  • 48h 19m total
  • Singapore to San Diego
Air Canada
  • Air Canada
  • 20-1
  • 1 total stop
  • 24h 34m total
  • Singapore to San Diego
Highest demand for flights based on searches. 6% potential increase in price (S$ 113 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (S$ 37 potential savings vs. average return price).
Average for return flights in October 2025

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 27 October 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

Tue 11-11

08:50-12:03

1 stop19h 13m

San Diego

Thu 13-11

09:54-07:00

2 stops29h 06m

S$ 1,040

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Sat 8-11

08:50-17:24

1 stop24h 34m

San Diego

Tue 11-11

18:10-00:55

2 stops38h 45m

S$ 1,108

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Tue 10-3

14:45-00:07

2 stops24h 22m

San Diego

Sat 14-3

17:25-13:25

2 stops29h 00m

S$ 1,314

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Thu 6-11

10:10-12:45

1 stop18h 35m

San Diego

Tue 11-11

11:02-08:00

2 stops28h 58m

S$ 1,353

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Mon 9-3

01:35-18:56

2 stops32h 21m

San Diego

Sat 14-3

06:15-00:10

2 stops26h 55m

S$ 1,377

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Fri 7-11

10:10-12:45

1 stop18h 35m

San Diego

Tue 11-11

06:15-20:15

2 stops22h 00m

S$ 1,402

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Tue 20-1

08:50-17:24

1 stop24h 34m

S$ 603

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Sun 2-11

21:00-17:24

2 stops36h 24m

S$ 604

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Fri 10-4

13:45-08:39

2 stops33h 54m

S$ 743

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Tue 14-4

02:00-08:39

2 stops45h 39m

S$ 743

Flights are sorted by cheapest return flights first.

Deals found on 25-10

Showing 1-10 of 12 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 27 October 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.

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

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

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Food

6.6

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?

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

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