Home / Flights / SFO to SIN
SFO SIN · 8,438 mi · 15h 40m

San Francisco to Singapore Flights

Everything you need to know about the SFO → SIN international route — flight time, airlines, fares, and booking tips. Track your flight in real time with TripTrack.

$760-$3330 round trip · 1-2 daily flights · Updated March 2026


✈️ Route Overview

Key facts for the San Francisco to Singapore route

📏
Distance
8,438 miles (13,580 km)
⏱️
Avg Flight Time
15h 40m
🕐
Timezone Change
+15 hours
✈️
Daily Flights
1-2
💰
Typical Fare
$760-$3330 round trip
🌙
Red-Eye Available
Yes — overnight flights available

🛫 Airlines on This Route

Carriers operating SFO → SIN flights

Airline Notes
Singapore Airlines Primary carrier on this route
AirAsia Operates this route
Garuda Indonesia Operates this route
Philippine Airlines Operates this route
Vietnam Airlines Operates this route
Bangkok Airways Operates this route

💡 Booking Tips

How to get the best deal on San Francisco to Singapore flights

📅

Best Days to Fly

Avoid Monday and Friday peak business travel; midweek is cheaper

💰

Fare Range

$760-$3330 round trip. Book 3–6 weeks in advance for domestic routes, 2–3 months for international.

🌙

Red-Eye Flights

✓ Available

Overnight flights on this route can save on hotel costs and maximize your time at the destination.

📱

Track Your Flight

Once booked, TripTrack automatically imports your flight from your confirmation email. Real-time gate changes and delay alerts — no manual entry needed.


🧳 Travel Tips for This Route

Practical advice from frequent travelers on the SFO → SIN route

  • 1 Visa requirements vary widely across Southeast Asia; check before booking.
  • 2 Humidity and heat are factors when connecting through outdoor terminal areas.
  • 3 This ultra-long-haul route (8,438 miles) benefits greatly from lie-flat business class seating.


📱 Real-Time Flight Tracking

Track Your SFO → SIN Flight — Automatically

TripTrack monitors your flight in real time — gate changes, delays, and departure updates sent to your phone the moment they happen. Connect your Gmail once and your trips appear automatically. No manual entry.


Frequently Asked Questions — San Francisco to Singapore Flights

How long is the flight from San Francisco to Singapore?

The average flight time from San Francisco (SFO) to Singapore (SIN) is 15h 40m. This is an estimate including taxi, climb, and descent time — actual flight time may vary based on winds and routing.

Which airlines fly from San Francisco to Singapore?

Airlines operating the SFO to SIN route include Singapore Airlines, AirAsia, Garuda Indonesia and 3 more. Check each airline's website for current schedules and availability.

How far is San Francisco from Singapore?

The great-circle distance from San Francisco to Singapore is 8,438 miles (13,580 km). This is the straight-line distance — actual flight paths may be slightly longer.

What are the cheapest days to fly from San Francisco to Singapore?

Avoid Monday and Friday peak business travel; midweek is cheaper. Fares on this route typically range $760-$3330 round trip.

Is there a time zone change flying from San Francisco to Singapore?

Yes — there is a +15 hours when flying from San Francisco to Singapore. TripTrack automatically shows local times for both your departure and arrival airports.

Are there red-eye flights from San Francisco to Singapore?

Yes, overnight (red-eye) flights are available on the SFO to SIN route. These can be a great way to save on hotel costs and maximize time at your destination.

How can I track my San Francisco to Singapore flight in real time?

TripTrack automatically tracks your SFO to SIN flight — showing real-time gate changes, delays, and departure updates. Connect your Gmail once and your booking confirmation is imported automatically. Available free on iOS and Android.