Cheap Flights from San Francisco to Singapore

Live fares + free price-drop alerts for San Francisco, United States → Singapore, Singapore.
$367 from · one-way
San Francisco (SFO) → Singapore (SIN) · cheapest around September 2026
Set a free price alert → Search live fares

Track San Francisco → Singapore prices automatically

Fares between San Francisco and Singapore move every day as airlines adjust their pricing. Instead of checking manually, The Flight Agent watches this route for you 24/7 and emails you the moment the price drops below your budget — so you book at the dip, not the peak.

Set your target price once, and let the agent do the searching. It's free to start, monitors Singapore routes around the clock, and only pings you when there's a genuine deal.

More routes from San Francisco

San Francisco → TokyoSan Francisco → LondonSan Francisco → Seoul

Other ways to fly to Singapore

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Frequently asked questions

How much is a flight from San Francisco to Singapore?

Flights from San Francisco to Singapore currently start from around $367 one-way. Prices change daily — The Flight Agent monitors this route 24/7 and alerts you when they fall.

When is the cheapest time to fly from San Francisco to Singapore?

The cheapest fares we're tracking right now depart around September 2026. Set a free alert to catch the next price drop.

How do I get a price-drop alert for San Francisco to Singapore?

Create a free scout on The Flight Agent. We monitor San Francisco–Singapore around the clock and email you the instant the fare drops below your budget.

Never overpay for Singapore flights again

Set a free scout in seconds. We monitor San Francisco → Singapore 24/7 and alert you the moment prices drop.

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