San Francisco to Singapore SFO → SIN
San Francisco International Airport (SFO) → Changi International Airport (SIN)
The cheapest one-way found recently is $325 with Singapore Airlines, 22 Feb 2027, found today.
One-way
The cheapest one-way fare on each of 9 departure dates is usually $316 to $325.
Cheapest one-way found recently
$325
22 Feb 2027 · Singapore Airlines
San Francisco International Airport (SFO) → Changi International Airport (SIN)
Leaves 9:40 a.m. · 17 h 25 min trip
nonstop
found today
Cheapest nonstop one-way
$325
22 Feb 2027 · Singapore Airlines
San Francisco International Airport (SFO) → Changi International Airport (SIN)
Leaves 9:40 a.m. · 17 h 25 min trip
nonstop
found today
Found recently, and the cheapest we hold
$325 22 Feb 2027found todayOpen this trip
$313 16 Mar 2027found 6 days agoOpen this trip
What have prices looked like?
Over 23 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $280 to $398.
23 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 9 departure dates from 23 Nov to 20 Mar 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
Yes. Among one-way fares leaving within 3 days of 22 Feb 2027, 20 Feb 2027 costs $316: $9 less than the cheapest found recently.
Singapore Airlines · San Francisco International Airport (SFO) → Changi International Airport (SIN) · nonstop · found 5 days ago
Every date we hold
11 fares on 9 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Nov | $417 | Philippine Airlines | San Francisco International Airport (SFO) → Changi International Airport (SIN) | 1 stop | found 4 days ago | Open this trip |
| 10 Jan 2027 | $380 | United Airlines | San Francisco International Airport (SFO) → Changi International Airport (SIN) | 2 stops | found 5 days ago | Open this trip |
| 20 Feb 2027 | $316 | Singapore Airlines | San Francisco International Airport (SFO) → Changi International Airport (SIN) | nonstop | found 5 days ago | Open this trip |
| 22 Feb 2027 | $325 | Singapore Airlines | San Francisco International Airport (SFO) → Changi International Airport (SIN) | nonstop | found today | Open this trip |
| 16 Mar 2027 | $313 | Singapore Airlines | San Francisco International Airport (SFO) → Changi International Airport (SIN) | nonstop | found 6 days ago | Open this trip |
| 17 Mar 2027 | $313 | Singapore Airlines | San Francisco International Airport (SFO) → Changi International Airport (SIN) | nonstop | found 6 days ago | Open this trip |
| 18 Mar 2027 | $318 | Singapore Airlines | San Francisco International Airport (SFO) → Changi International Airport (SIN) | nonstop | found 6 days ago | Open this trip |
| 19 Mar 2027 | $318 | Singapore Airlines | San Francisco International Airport (SFO) → Changi International Airport (SIN) | nonstop | found 6 days ago | Open this trip |
| 20 Mar 2027 | $318 | Singapore Airlines | San Francisco International Airport (SFO) → Changi International Airport (SIN) | nonstop | found 6 days ago | Open this trip |
Which month looks cheapest?
March 2027 is the cheapest month — from $313.
Airlines on the cheapest dates: Singapore Airlines, Philippine Airlines, United Airlines.
Premium cabin fares from San Francisco to Singapore
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 22 Feb 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for San Francisco to Singapore?
One-way
Not enough history yet: in 23 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
One-way
San Jose → Singapore
67 km from San Francisco
$522
$197 more than flying from San Francisco
23 Nov · SJC → SIN · 2 stops
found 4 days ago
Oakland → Singapore
13 km from San Francisco
$569
$244 more than flying from San Francisco
10 Jan 2027 · OAK → SIN · 2 stops
found 5 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest one-way found recently is for 22 Feb 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work