S$ 51+ Cheap flights from San Francisco

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 3-12. 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.
SFO — SIN
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

What to know about flights from San Francisco

Discover essential information about flights departing from San Francisco, including flight schedules, destinations, airlines operating at the San Francisco 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 7 November 2025.

Good round-trip deal

S$ 299 or less

Good one-way deal

S$ 58 or less
Price to beat on a round-trip flight from San Francisco.
Price to beat on a one-way flight from San Francisco.

Find flights from San Francisco

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Cheapest flights from San Francisco
Explore the most affordable flight options available from San Francisco. Find the lowest fares based on data from user searches, with prices last updated on 7 November 2025.

Wed 3-1207:00SFO - SAN
Nonstop1h 39mAlaska Airlines
Wed 10-1206:15SAN - SFO
Nonstop1h 51mAlaska Airlines
Deal found 5-11S$ 100
Fri 12-1206:30SFO - SAN
Nonstop1h 36mUnited Airlines
Sat 13-1220:00SAN - SFO
Nonstop1h 42mUnited Airlines
Deal found 5-11S$ 124
Wed 4-311:00SFO - LAX
Nonstop1h 40mAlaska Airlines
Wed 4-314:45LAX - SFO
Nonstop1h 29mAlaska Airlines
Deal found 5-11S$ 124
Tue 3-318:50SFO - LAS
Nonstop1h 36mHawaiian Airlines
Thu 5-307:00LAS - SFO
Nonstop1h 37mHawaiian Airlines
Deal found 6-11S$ 127
Tue 2-1222:37SFO - SAN
Nonstop1h 38mUnited Airlines
Sat 6-1206:15SAN - SFO
Nonstop1h 47mUnited Airlines
Deal found 5-11S$ 127
Tue 10-315:30SFO - LAS
Nonstop1h 30mHawaiian Airlines
Wed 11-317:50LAS - SFO
Nonstop1h 37mHawaiian Airlines
Deal found 6-11S$ 128
Thu 4-1207:00SFO - SAN
Nonstop1h 39mAlaska Airlines
Thu 4-1212:31SAN - SFO
Nonstop1h 44mAlaska Airlines
Deal found 6-11S$ 132
Fri 5-1206:00SFO - LAX
Nonstop1h 30mDelta
Sun 7-1206:00LAX - SFO
Nonstop1h 30mDelta
Deal found 7-11S$ 132
Wed 17-1207:25SFO - LAS
1 stop3h 20mSouthwest
Fri 19-1222:50LAS - SFO
Nonstop1h 35mSouthwest
Deal found 4-11S$ 133
Thu 11-1206:00SFO - LAX
Nonstop1h 30mDelta
Mon 15-1208:17LAX - SFO
Nonstop1h 27mDelta
Deal found 5-11S$ 133
Sun 30-1106:00SFO - LAS
Nonstop1h 41mFrontier
Thu 4-1220:13LAS - SFO
1 stop3h 39mFrontier
Deal found 7-11S$ 136
Sat 6-1217:46SFO - LAS
Nonstop1h 39mAlaska Airlines
Fri 12-1207:00LAS - SFO
Nonstop1h 43mAlaska Airlines
Deal found 6-11S$ 140

Find flights from San Francisco within your budget

 
Find flights departing from San Francisco 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 7 November 2025. In the last 7 days, Cheapflights users made a total of 200,618 searches

Fly to

Singapore

Route

Depart

Return

Price

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 5-12

07:40-09:10

Nonstop1h 30m

San Diego

Fri 12-12

20:30-22:10

Nonstop1h 40m

S$ 100

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Thu 11-12

06:00-07:30

Nonstop1h 30m

Los Angeles

Mon 15-12

16:20-17:40

Nonstop1h 20m

S$ 132

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Fri 5-12

06:00-07:30

Nonstop1h 30m

Los Angeles

Fri 5-12

19:00-20:24

Nonstop1h 24m

S$ 132

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 5-12

07:00-08:39

Nonstop1h 39m

San Diego

Thu 11-12

06:15-08:06

Nonstop1h 51m

S$ 140

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Mon 16-2

18:40-20:10

Nonstop1h 30m

Las Vegas Harry Reid Intl

Thu 19-2

14:45-18:50

1 stop4h 05m

S$ 140

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 5-12

07:00-08:39

Nonstop1h 39m

San Diego

Sun 14-12

06:15-08:06

Nonstop1h 51m

S$ 140

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Wed 10-12

14:35-20:50

1 stop6h 15m

San Diego

Tue 16-12

13:25-15:05

Nonstop1h 40m

S$ 140

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Fri 5-12

07:00-08:39

Nonstop1h 39m

San Diego

Fri 12-12

06:15-08:06

Nonstop1h 51m

S$ 140

San FranciscoSan Diego

SFO - SAN

SFOSAN

San Francisco

Tue 9-12

10:20-11:59

Nonstop1h 39m

San Diego

Sat 13-12

06:15-08:06

Nonstop1h 51m

S$ 140

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Tue 16-12

12:45-14:10

Nonstop1h 25m

Los Angeles

Wed 31-12

06:15-07:45

Nonstop1h 30m

S$ 142

Flights are sorted by cheapest return flights first.

Deals found on 4-11

Showing 1-10 of 60 results
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Best time to book a flight from San Francisco

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

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

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

Use this chart to determine the optimal time to book a return flight from San Francisco to Singapore. Price data was last updated on 31 October 2025.

The price you pay for your flight from San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 74 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 Francisco?

Currently, February is the cheapest month in which you can book a flight from San Francisco (average of S$ 509). Flying from San Francisco in June will prove the most costly (average of S$ 1,006). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Airline reviews for flights from San Francisco

Get insights into the airlines that provide service from San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from San Francisco. In the last 7 days, Cheapflights users made a total of 200,618 searches.
Read reviews from past customers who have flown Singapore Airlines and United Airlines from San Francisco. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Crew

8.6

Overall

8.1

Food

7.7

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Crew

8.6

Overall

8.1

Food

7.7

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Crew

8.6

Overall

8.1

Food

7.7

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Browse thousands of different options on Cheapflights for your next trip

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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 Francisco. 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 7 November 2025.
  • What are the most popular destinations to fly to from San Francisco?

    This month, the top selected destinations from San Francisco are Mumbai, Bengaluru, Bangkok Suvarnabhumi Airport. Throughout the year, Mumbai, Bengaluru, Boston are some of the top choices made by users flying from San Francisco.

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

    Users have flown out of San Francisco for as low as S$ 45 to Ontario (prices may vary depending on the airline and departure time). On average, users have booked flights for S$ 1,325 to fly from San Francisco.

  • What are the cheapest airlines flying from San Francisco to anywhere?

    Recently, we've found that Frontier, Alaska Airlines, and United Airlines had the cheapest round-trip tickets from San Francisco. Some of the destinations and prices are as follows: Frontier flights from San Francisco to Las Vegas Harry Reid Intl (S$ 88). Alaska Airlines flights from San Francisco to Las Vegas Harry Reid Intl (S$ 158). United Airlines flights from San Francisco to Atlanta Hartsfield-Jackson (S$ 663).

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

    Options for some of the cheapest premium economy flights from San Francisco we have found on Cheapflights are as follows:
    San Francisco to Las Vegas from S$ 810
    San Francisco to Paris Charles de Gaulle Airport from S$ 2,560
    San Francisco to Taipei City Taiwan Taoyuan Intl Airport from S$ 2,653
    San Francisco to Hong Kong from S$ 2,760

  • What is the cheapest first class flight from San Francisco?

    To fly first-class from San Francisco on a budget, select a flight to Austin from S$ 1,321.

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

    Currently, the cheapest month for flights from San Francisco is February. 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.

  • Where are the cheapest places to fly to from San Francisco?

    View the cheapest flight destinations from San Francisco:
    Fly from San Francisco to Singapore from S$ 767 round trip

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

    When you search for this flight from San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Francisco for you. Better yet — we are completely free to use.

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

    Need flexible booking options for your flight from San Francisco ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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How does Cheapflights help users find flights from San Francisco?

When you search for this flight from San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Francisco for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight from San Francisco ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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