San Francisco International (SFO) to Changi (SIN). Served by Singapore Airlines, United.
| Departure | Return | Price |
|---|---|---|
| 07/04/2026 | 07/09/2026 | $996 |
| 06/21/2026 | 06/27/2026 | $1034 |
| 08/03/2026 | 08/09/2026 | $1064 |
| 08/03/2026 | 08/11/2026 | $1064 |
| 08/03/2026 | 08/12/2026 | $1064 |
| 08/04/2026 | 08/09/2026 | $1064 |
| 08/04/2026 | 08/11/2026 | $1064 |
| 08/04/2026 | 08/12/2026 | $1064 |
| 08/04/2026 | 08/13/2026 | $1064 |
| 08/05/2026 | 08/11/2026 | $1064 |
Based on current fares, August is the cheapest month to fly from San Francisco to Singapore, with average fares around $1095 round trip (as low as $1064).
See the full month-by-month and day-of-week price analysis
Best Time to Fly SFO → SINDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from San Francisco to Singapore is August, with average round-trip fares around $1095. Fares in August start as low as $1064. The most expensive month is May, averaging $1288.
A nonstop flight from San Francisco to Singapore takes approximately 17h.
Singapore Airlines and United fly from SFO to SIN. That's 2 airlines serving this route.
The cheapest flight from San Francisco to Singapore currently starts at $996 round trip in economy class.
The average round-trip flight price from San Francisco to Singapore is $1262 in economy class.
The distance is 8446 miles (13590 km). with a nonstop flight time of about 17h. Airlines on this route include Singapore Airlines, United. The lowest fare currently available is $996 departing in July. The average round-trip fare is $1262.
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