S$ 721+ 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 30-8. Fares are subject to change and may not be available on all flights or dates of travel.
— SAN
15 May — 22 May1
1 adult
1 adult, Economy, 0 bags

Flights to San Diego in 2026

Enter your travel dates to find the best prices.

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 15 April 2026.

Mon 16-1101:35
SIN
-
SAN
2 stops29h 01m
Korean Air
Tue 24-1106:15
SAN
-
SIN
2 stops25h 55m
Korean Air
Deal found 11-4S$ 1,341
Tue 17-1109:15
SIN
-
SAN
1 stop19h 54m
Singapore Airlines
Tue 24-1121:59
SAN
-
SIN
1 stop29h 06m
Singapore Airlines
Deal found 11-4S$ 1,353
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$ 1,404
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$ 1,407
Sat 22-813:10
SIN
-
SAN
2 stops24h 49m
Multiple Airlines
Fri 28-821:29
SAN
-
SIN
2 stops23h 26m
Multiple Airlines
Deal found 15-4S$ 1,410
Thu 24-920:35
SIN
-
SAN
1 stop18h 54m
United Airlines
Mon 28-919:41
SAN
-
SIN
1 stop19h 34m
United Airlines
Deal found 11-4S$ 1,458
Tue 26-501:05
SIN
-
SAN
2 stops33h 33m
Multiple Airlines
Wed 3-610:11
SAN
-
SIN
2 stops32h 09m
Multiple Airlines
Deal found 12-4S$ 1,468
Tue 26-513:45
SIN
-
SAN
2 stops33h 13m
Multiple Airlines
Tue 2-618:19
SAN
-
SIN
2 stops27h 16m
Multiple Airlines
Deal found 10-4S$ 1,510
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$ 1,511
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$ 1,520

Find flight deals to San Diego

Find the latest flights to San Diego in 2026, 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 15 April 2026.

Return from

S$ 1,458

One-way from

S$ 761

Popular in

April

Cheapest in

October

Average price

S$ 2,199
United Airlines
  • United Airlines
  • 24-9-28-9
  • 2 total stops
  • 38h 28m total
  • Singapore to San Diego
8-6
  • 8-6
  • 2 total stops
  • 30h 19m total
  • Singapore to San Diego
Highest demand for flights based on searches. 2% potential increase in price (S$ 47 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (S$ 65 potential savings vs. average return price).
Average for return flights in April 2026

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 15 April 2026.
Use the filters below to find and compare flights to San Diego that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Thu 24-9

20:35-00:29

1 stop18h 54m

San Diego

Mon 28-9

19:41-06:15

1 stop19h 34m

S$ 1,458

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Tue 26-5

13:45-07:58

2 stops33h 13m

San Diego

Tue 2-6

18:19-12:35

2 stops27h 16m

S$ 1,510

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Thu 11-6

13:45-08:20

2 stops33h 35m

San Diego

Tue 16-6

21:27-12:35

2 stops24h 08m

S$ 1,646

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$ 1,778

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Fri 8-5

19:40-22:36

2 stops41h 56m

San Diego

Fri 29-5

07:00-09:20

2 stops35h 20m

S$ 1,924

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$ 2,018

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$ 2,029

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$ 2,054
Cheapest one-way

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Sun 30-8

23:05-08:48

2 stops48h 43m

S$ 755

SingaporeSan Diego

SIN - SAN

SINSAN

Singapore Changi

Sat 30-5

14:10-07:58

2 stops32h 48m

S$ 876

Flights are sorted by cheapest return flights first.

Deals found on 15-4

Showing 1-10 of 20 resultsSorted by cheapest first
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 15 April 2026.
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

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

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

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

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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