S$ 82+ Cheap flights from San Diego

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1-10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SAN — SIN
12 Oct — 19 Oct1
1 adult
1 adult, Economy

What to know about flights from San Diego

Discover essential information about flights departing from San Diego, including flight schedules, destinations, airlines operating at the San Diego airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 12 September 2025.

Good round-trip deal

S$ 352 or less

Good one-way deal

S$ 479 or less
Price to beat on a round-trip flight from San Diego.
Price to beat on a one-way flight from San Diego.

Find flights from San Diego

Cheapest flights from San Diego
Explore the most affordable flight options available from San Diego. Find the lowest fares based on data from user searches, with prices last updated on 12 September 2025.

Sat 4-1019:20SAN - SIN
2 stops32h 35mMultiple Airlines
Sun 19-1010:25SIN - SAN
2 stops45h 07mMultiple Airlines
Deal found 10-9S$ 994
Wed 11-220:50SAN - SIN
1 stop28h 55mSingapore Airlines
Thu 26-209:00SIN - SAN
1 stop25h 47mSingapore Airlines
Deal found 10-9S$ 1,009
Wed 25-212:45SAN - SIN
1 stop26h 15mAir Canada
Sun 8-321:00SIN - SAN
2 stops30h 03mAir Canada
Deal found 11-9S$ 1,066
Thu 12-211:20SAN - SIN
2 stops27h 40mAir Canada
Thu 9-409:10SIN - SAN
1 stop23h 14mAir Canada
Deal found 10-9S$ 1,070
Wed 21-112:45SAN - SIN
1 stop26h 15mAir Canada
Wed 4-208:30SIN - SAN
2 stops43h 33mAir Canada
Deal found 10-9S$ 1,072
Wed 11-207:45SAN - SIN
2 stops31h 15mAir Canada
Thu 9-409:10SIN - SAN
1 stop23h 14mAir Canada
Deal found 10-9S$ 1,113
Wed 11-206:15SAN - SIN
2 stops32h 45mAir Canada
Thu 26-208:50SIN - SAN
2 stops31h 22mAir Canada
Deal found 10-9S$ 1,126

Find flights from San Diego within your budget

 
Find flights departing from San Diego that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 12 September 2025. In the last 7 days, Cheapflights users made a total of 200,618 searches

Fly to

Singapore

Route

Depart

Return

Price

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Tue 7-10

19:28-06:15

1 stop19h 47m

Singapore Changi

Tue 21-10

08:45-18:29

1 stop24h 44m

S$ 1,257

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 8-10

20:08-06:15

1 stop19h 07m

Singapore Changi

Wed 19-11

10:10-18:34

1 stop24h 24m

S$ 1,257

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 8-10

20:08-06:15

1 stop19h 07m

Singapore Changi

Tue 21-10

20:40-10:06

1 stop28h 26m

S$ 1,257

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Thu 9-10

06:15-18:25

1 stop21h 10m

Singapore Changi

Wed 22-10

08:45-15:59

1 stop22h 14m

S$ 1,257

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 8-10

18:00-06:15

1 stop21h 15m

Singapore Changi

Wed 22-10

08:45-20:49

1 stop27h 04m

S$ 1,257

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Tue 7-10

20:08-06:15

1 stop19h 07m

Singapore Changi

Thu 20-11

10:10-17:29

2 stops23h 19m

S$ 1,262

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Thu 9-10

06:15-18:25

2 stops21h 10m

Singapore Changi

Tue 18-11

10:10-19:52

2 stops25h 42m

S$ 1,262

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Thu 9-10

06:15-18:25

2 stops21h 10m

Singapore Changi

Thu 20-11

10:10-17:29

2 stops23h 19m

S$ 1,262

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 8-10

06:15-18:25

2 stops21h 10m

Singapore Changi

Tue 18-11

22:20-00:13

1 stop17h 53m

S$ 1,262

San DiegoSingapore

SAN - SIN

SANSIN

San Diego

Wed 8-10

20:08-06:15

1 stop19h 07m

Singapore Changi

Thu 20-11

10:10-17:29

2 stops23h 19m

S$ 1,262

Flights are sorted by cheapest return flights first.

Deals found on 10-9

Showing 1-10 of 18 results
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Best time to book a flight from San Diego

Have a flexible travel schedule? Discover the best time to fly from 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.

Travel insights for flights from San Diego

Get recent, data-driven insights about flights from San Diego including ideal travel times, pricing trends, and more.

When is the best time to book a flight from San Diego?

Use this chart to determine the optimal time to book a return flight from San Diego to Singapore. Price data was last updated on 29 August 2025.

The price you pay for your flight from San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 66 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Diego?

Currently, August is the cheapest month in which you can book a flight from San Diego (average of S$ 844). Flying from San Diego in June will prove the most costly (average of S$ 1,240). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Direct flights from California

Book a direct flight from one of these other cities located in California.

Related info for your journey

Access useful and relevant information related to your journey from San Diego. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 12 September 2025.
  • What are the most popular destinations to fly to from San Diego?

    This month, the top selected destinations from San Diego are Boston, Chicago, Atlanta. Throughout the year, Boston, Chicago, Atlanta are some of the top choices made by users flying from San Diego.

  • What is the cheapest flight from San Diego to anywhere?

    Users have flown out of San Diego for as low as S$ 346 to San José del Cabo (prices may vary depending on the airline and departure time). On average, users have booked flights for S$ 516 to fly from San Diego.

  • What is the cheapest premium economy flight from San Diego?

    Options for some of the cheapest premium economy flights from San Diego we have found on Cheapflights are as follows:
    San Diego to San Francisco from S$ 2,302

  • What is the cheapest month to fly from San Diego?

    Currently, the cheapest month for flights from San Diego is August. The most expensive month for flights is June. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from San Diego?

    Deals for flights from San Diego are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

  • Why should you use Cheapflights to find cheap flight tickets from San Diego?

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from San Diego.

  • Can Cheapflights find flights from San Diego with no change fees?

    Certainly. Search results for flights from San Diego shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from San Diego become cheaper?

    Yes! Start tracking prices for flights from San Diego today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Diego?

Deals for flights from San Diego are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from San Diego?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from San Diego.

Can Cheapflights find flights from San Diego with no change fees?

Certainly. Search results for flights from San Diego shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Diego become cheaper?

Yes! Start tracking prices for flights from San Diego today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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