Flights from Singapore to San Francisco from $998

Compare All SIN to SFO Flights

Prices are per person for one-way travel. Click “Book” to complete your reservation on the partner site.

1 of 1 flight

Airline	Schedule	Stops	Duration	Price
UA UA · 28	20:35 SIN 23:00 SFO	0 stop(s)	50h 25m	$998 Best	Book →

Airport Information

Key details about departure and arrival airports for this route

SIN

Singapore Changi Airport

City: Singapore
Country: SG
Type: Large Airport
Elevation: 22 ft

SIN Airport Guide →

SFO

San Francisco International Airport

City: San Francisco
Country: US
Type: Large Airport
Elevation: 13 ft

SFO Airport Guide →

Tips for Singapore to San Francisco Flights

Save money and travel smarter with these route-specific tips

📅 When to Book

Book SIN–SFO flights 6–8 weeks in advance for the best prices. Last-minute fares are typically 40–60% more expensive on this route.

💰 Price Trends

The average fare is $998, but prices as low as $998 are available.

✈ Direct vs Connecting

No direct flights currently listed. Consider flexible dates or nearby airports for better connections.

📍 Flexible Dates

Flying midweek (Tuesday–Thursday) on SIN–SFO is typically 15–30% cheaper. Use our price comparison to spot the best day to fly.

Top Hotels in San Francisco

Book accommodation at your destination — top-rated stays near SFO airport

PAL.MAR Hotel Tropical

Madigun Hotel and Events

San Francisco, 4★

9.6 $45/night

Agua de Luna Hotel Boutique, San Pancho Nayarit

Frequently Asked Questions

Everything you need to know about flying SIN to SFO

What is the cheapest flight from Singapore to San Francisco?

The cheapest flight from Singapore (SIN) to San Francisco (SFO) currently starts at $998 with UA. Prices are updated regularly and may vary by date and availability.

How many airlines fly from SIN to SFO?

We found 1 airline(s) operating on the SIN–SFO route, including UA.

Are there direct flights from Singapore to San Francisco?

No direct flights are currently listed on this route. All available options involve at least one stop. Consider flexible dates or nearby airports for better connection options.

What is the average flight price on this route?

The average flight price from Singapore to San Francisco is approximately $998. Prices range from $998 to $998 depending on airline, time, and class.

How long is the flight from SIN to SFO?

The average flight duration from Singapore to San Francisco is approximately 50 hours 25 minutes. Direct flights are typically shorter than connecting options.

What is the baggage allowance on SIN–SFO flights?

Baggage allowance varies by airline and fare class. Most economy fares on this route include 1 carry-on (7–8 kg) and 1 checked bag (20–23 kg). Always confirm baggage rules on the airline's site at booking — low-cost carriers may charge for checked bags.