San Francisco → Singapore
United Airlines · 21 Jul · 2 stop · 30h 2m· sample data
Outbound
09:00
SFO
San Francisco → Hong Kong14h 30m
United Airlines · UA8654 · Boeing 7771.1 t CO₂
23:30
HKG
⏱ 4h 26m layover in Hong Kong
03:56
HKG
Hong Kong → Bangkok2h 47m
United Airlines · UA8668 · Boeing 737183 kg CO₂
06:43
BKK
⏱ 5h 57m layover in Bangkok
12:40
BKK
Bangkok → Singapore2h 22m
United Airlines · UA8670 · Airbus A320155 kg CO₂
15:02
SIN
Connection quality
83/100 · Good- •4h 26m in Hong Kong (HKG) — long; time for a meal or a lounge.
- •Hong Kong (HKG) is a top-rated airport for a layover.
- •5h 57m in Bangkok (BKK) — very long layover.
Carbon footprint
1.5 t CO₂ per traveller — 4% above the median option for this search.(estimated)
The real all-in price
Base fareUS$1,034
TaxesUS$212
Carrier feesUS$21
Checked bag(est. — not included)+US$40
All-in totalUS$1,307
Standard seat selection est. +US$17 if you want it.
Book — US$1,307 →We link you out to book. We never add fees.
Is this a good price?
PriceyUS$740typical US$1,189US$1,553
At US$1,307, this fare is above the typical range — waiting may pay off (+10% vs typical).
Based on 91 days of tracked prices for this route. Not a prediction.
Getting into town
From Changi: ~US$2 · MRT ~S$2
Door-to-door total ≈ US$1,309 incl. transfer.