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S$ 63+ 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 12-1. 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
10 Jan — 17 Jan1
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 11 December 2025.

Good round-trip deal

S$ 289 or less

Good one-way deal

S$ 58 or less
Price to beat on a round-trip flight from San Francisco.
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Price to beat on a one-way flight from San Francisco.
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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 11 December 2025.

Fri 23-121:49SFO - LAS
Nonstop1h 40mFrontier
Fri 30-117:07LAS - SFO
Nonstop1h 53mFrontier
Deal found 8-12S$ 117
Mon 12-119:55SFO - LAS
Nonstop1h 41mAlaska Airlines
Thu 15-107:05LAS - SFO
Nonstop1h 42mAlaska Airlines
Deal found 9-12S$ 126
Wed 14-111:30SFO - LAS
1 stop5h 35mSouthwest
Fri 16-121:05LAS - SFO
Nonstop1h 40mSouthwest
Deal found 9-12S$ 139
Tue 27-116:03SFO - LAX
Nonstop1h 34mAlaska Airlines
Tue 27-119:55LAX - SFO
Nonstop1h 30mAlaska Airlines
Deal found 10-12S$ 144
Sun 11-105:00SFO - LAS
Nonstop1h 35mSouthwest
Wed 14-106:55LAS - SFO
2 stops7h 25mSouthwest
Deal found 9-12S$ 145
Sun 15-223:00SFO - LAS
Nonstop1h 43mUnited Airlines
Tue 17-207:45LAS - SFO
Nonstop1h 48mUnited Airlines
Deal found 10-12S$ 148
Mon 12-105:05SFO - LAS
1 stop6h 50mSouthwest
Thu 15-107:25LAS - SFO
1 stop5h 45mSouthwest
Deal found 9-12S$ 150
Fri 23-123:15SFO - LAS
Nonstop1h 42mUnited Airlines
Sun 25-107:30LAS - SFO
Nonstop1h 46mUnited Airlines
Deal found 9-12S$ 152
Sat 10-113:00SFO - LAX
Nonstop1h 32mDelta
Tue 13-113:40LAX - SFO
Nonstop1h 28mDelta
Deal found 9-12S$ 152
Sat 10-108:20SFO - LAS
Nonstop1h 35mSouthwest
Tue 13-106:55LAS - SFO
2 stops7h 25mSouthwest
Deal found 9-12S$ 158
Thu 15-123:15SFO - LAS
Nonstop1h 42mUnited Airlines
Tue 20-111:06LAS - SFO
Nonstop1h 46mUnited Airlines
Deal found 8-12S$ 162
Wed 14-115:15SFO - LAS
1 stop5h 50mSouthwest
Sat 17-112:40LAS - SFO
1 stop7h 55mSouthwest
Deal found 9-12S$ 163

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 11 December 2025. In the last 7 days, Cheapflights users made a total of 200,618 searches

Fly to

Singapore

Route

Depart

Return

Price

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Wed 18-2

10:45-12:32

Nonstop1h 47m

Las Vegas Harry Reid Intl

Fri 20-2

06:00-07:48

Nonstop1h 48m

S$ 126

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Wed 28-1

05:30-07:00

Nonstop1h 30m

Las Vegas Harry Reid Intl

Fri 30-1

06:55-14:20

2 stops7h 25m

S$ 145

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Mon 26-1

17:35-21:55

1 stop4h 20m

Las Vegas Harry Reid Intl

Wed 28-1

12:20-18:05

1 stop5h 45m

S$ 150

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Tue 3-2

10:30-12:12

Nonstop1h 42m

Las Vegas Harry Reid Intl

Tue 10-2

07:05-08:47

Nonstop1h 42m

S$ 152

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Tue 3-2

18:45-20:16

Nonstop1h 31m

Los Angeles

Wed 4-2

13:40-15:08

Nonstop1h 28m

S$ 152

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Wed 7-1

11:10-16:35

1 stop5h 25m

Las Vegas Harry Reid Intl

Wed 14-1

19:40-21:20

Nonstop1h 40m

S$ 152

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Tue 6-1

15:00-16:35

Nonstop1h 35m

Las Vegas Harry Reid Intl

Wed 14-1

06:55-14:20

2 stops7h 25m

S$ 158

San FranciscoLos Angeles

SFO - LAX

SFOLAX

San Francisco

Wed 28-1

13:19-20:05

1 stop6h 46m

Los Angeles

Wed 25-2

06:00-07:31

Nonstop1h 31m

S$ 165

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Thu 8-1

05:30-07:00

Nonstop1h 30m

Las Vegas Harry Reid Intl

Mon 12-1

07:10-12:05

1 stop4h 55m

S$ 165

San FranciscoLas Vegas

SFO - LAS

SFOLAS

San Francisco

Thu 15-1

05:00-06:35

Nonstop1h 35m

Las Vegas Harry Reid Intl

Sun 18-1

06:00-11:50

1 stop5h 50m

S$ 165

Flights are sorted by cheapest return flights first.

Deals found on 10-12

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 5 December 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 86 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$ 505). Flying from San Francisco in June will prove the most costly (average of S$ 995). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from San Francisco?

When flying from San Francisco check dates and pricing for the following: Singapore Airlines, United Airlines. As they depart for the following popular destinations: Singapore.

Singapore Airlines
Singapore Airlines
From S$ 1,020
Frontier
Frontier
From S$ 88
Fiji Airways
Fiji Airways
From S$ 1,220
United Airlines
United Airlines
From S$ 976

What are popular destinations to fly to from San Francisco?

From San Francisco you can expect to find greater availability for the following destinations: New York (1,840 flights per day), Los Angeles (968 flights per day) and Chicago (778 flights per day).

Nadi
Nadi
From S$ 1,220
Denver Intl
Denver Intl
From S$ 342
Tokyo
Tokyo
From S$ 899

What is the cheapest place to fly to from San Francisco?

The cheapest city to fly to from San Francisco is Ontario, with prices starting at S$ 58. Explore other affordable destinations below.

Ontario
Ontario
From S$ 58
Portland
Portland
From S$ 109
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From S$ 163
Denver Intl
Denver Intl
From S$ 342

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.
Singapore Airlines
8.1
Very Good
1,412 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.8

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Singapore Airlines
8.1
Very Good
1,412 reviews
Singapore Airlines
8.1
Very Good
1,412 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.8

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
United Airlines
7.4
Good
9,095 reviews
Singapore Airlines
8.1
Very Good
1,412 reviews
Check prices

Comfort

8.0

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.8

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

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

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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 11 December 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, Boston. 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$ 58 to Ontario (prices may vary depending on the airline and departure time). On average, users have booked flights for S$ 1,350 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$ 157). United Airlines flights from San Francisco to Singapore Changi (S$ 976).

  • 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$ 804
    San Francisco to Paris Charles de Gaulle Airport from S$ 2,541
    San Francisco to Taipei City Taiwan Taoyuan Intl Airport from S$ 2,633
    San Francisco to Hong Kong from S$ 2,740

  • 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$ 1,311.

  • 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$ 723 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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