Which airlines fly direct between San Francisco and Singapore?

Airlines operating direct flights include United Airlines, Alaska Airlines, Singapore Airlines, Scoot.

What is the cheapest fare for this route?

Recorded one-way fares on Prymeo start from as low as $859 depending on season and advance booking.

Home FlightsSan Francisco to Singapore

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Flights from San Francisco to Singapore

Q: How long is the flight from San Francisco to Singapore?

The average nonstop flight time from San Francisco (SFO) to Singapore (SIN) is approximately 16h 45m covering a distance of 13580 km.

San Francisco International (SFO) → Singapore Changi Airport (SIN)

Fares From$859

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Flight Time

16h 45m

Nonstop average

Distance

13580 km

Air route corridor

Best Time to Fly

November - March (Dry tropical season)

Pleasant weather

Extra Fees

$0.00

Zero commission

Route Overview: San Francisco to Singapore

Cheap flights from San Francisco (SFO) to Singapore (SIN). Compare United Airlines fares from $859 with 0% fees on Prymeo.

Prymeo aggregates real-time flight availability directly from both low-cost carriers and legacy full-service airlines. When searching for tickets between San Francisco International and Singapore Changi Airport, our technology checks multiple booking systems in parallel so you never miss a flash sale or promotional discount.

Direct Carriers on This Corridor

United Airlines

Alaska Airlines

Singapore Airlines

Scoot

Quick Flight Facts & Corridor Specifications

Live Verified Data

Route Corridor	San Francisco (SFO) to Singapore (SIN)
Flight Distance	13,580 kilometers / 8,438 miles
Average Flight Duration	16h 45m (nonstop)
Starting Fare	From $859 (0% added booking fees)
Operating Airlines	United Airlines, Alaska Airlines, Singapore Airlines, Scoot
Optimal Travel Season	November - March (Dry tropical season)

Return Flight Route

Singapore (SIN) to San Francisco (SFO)

Nonstop return tickets from $859 · 0% booking markup

View Return Leg

Frequently Asked Questions About This Route

How long is the flight from San Francisco to Singapore?

The nonstop flight takes approximately 16h 45m, traversing 13580 km.

How far in advance should I book my flight?

For the best rates, we recommend booking between 3 to 6 weeks before your desired departure date, particularly during peak summer and holiday seasons.