How long is the flight from San Francisco to Hong Kong?

Non-stop flights on SFO → HKG are typically around 14 hours. Connecting itineraries add 3–8 hours depending on the hub and layover.

Which airlines fly from San Francisco to Hong Kong?

The main carriers on this route are Cathay Pacific, United. Codeshare and one-stop options add several more — the filter panel above shows every airline in the current fare set.

When is the cheapest time to fly from San Francisco to Hong Kong?

Historically the lowest fares land in January, February, May. Summer (mid-June through mid-August) and the Christmas / New Year window are always peak. Mid-week departures (Tuesday–Thursday) typically beat weekend prices by 10–20%.

How far ahead should I book San Francisco to Hong Kong?

Six to ten weeks ahead is the sweet spot for this route. Inside three weeks, fares tend to spike as airlines sell to last-minute business travellers. Award availability often opens 10–11 months out if you're booking on miles.

Can I book directly on destination.com?

The Book button on each fare opens the airline or OTA (Trip.com, Kiwi, Expedia, Booking, Priceline, etc.) that's actually selling that ticket. You complete payment there at the same price you saw here — we never add a markup.

SFO → HKG

San Francisco to Hong Kong flights.

Live cached fares on San Francisco (SFO) → Hong Kong (HKG), refreshed every 30 minutes. Non-stop and connecting itineraries side by side — compare airlines, times and stops, then book in one click.

Flying time
~14h non-stop
Airlines
Cathay Pacific, United
Cheapest months
January, February, May

Flex dates · cheapest nearby

Loading prices…

Read our best-time-to-book guide for SFO → HKG →Target price, booking window, weekday pattern.

See 30-day price history for SFO → HKG →Median fare, lows, and best-day patterns.

No cached fares for exactly 2026-07-24 → 2026-07-31. Showing recent fares on SFO → HKG — pick a different date in the calendar above or run a live search.

San Francisco → Hong Kong · 13 fares12-month low · $438

Cached from Travelpayouts · filter & sort below

Showing 13 of 13 results

Cheapest
YP · YP 112
OutboundSFO → HKGTue, Jul 21 · 12:00 AM· 16h 25m· 1 stop
$438
one-way
Book →
YP · YP 112
OutboundSFO → HKGThu, Jul 23 · 12:00 AM· 16h 25m· 1 stop
$447
one-way
Book →
Air Canada · AC 573
OutboundSFO → HKGMon, Jul 20 · 2:30 AM· 15h 30m· 1 stop
$551
one-way
Book →
Air Canada · AC 573
OutboundSFO → HKGWed, Jul 22 · 2:30 AM· 15h 30m· 1 stop
$551
one-way
Book →
United Airlines · UA 893
OutboundSFO → HKGSat, Jul 18 · 5:40 PM· 16h 10m· 1 stop
$589
one-way
Book →
China Eastern · MU 590
OutboundSFO → HKGThu, Jul 2 · 7:00 PM· 16h 40m· 1 stop
$711
one-way
Book →
Asiana Airlines · OZ 211
OutboundSFO → HKGWed, May 5 · 6:50 AM· 16h 45m· 1 stop
ReturnHKG ← SFOTue, May 25 · 5:00 AM· 14h 5m· 1 stop
$902
total round-trip
Book →
China Eastern · MU 590
OutboundSFO → HKGThu, Jul 9 · 7:00 PM· 16h 45m· 1 stop
ReturnHKG ← SFOTue, Jul 14 · 3:15 PM· 15h· 1 stop
$1,017
total round-trip
Book →
United Airlines · UA 869
OutboundSFO → HKGWed, Jun 10 · 8:45 PM· 14h 10m· Non-stop
ReturnHKG ← SFOWed, Jul 22 · 3:45 AM· 13h 5m· Non-stop
$1,047
total round-trip
Book →
YP · YP 112
OutboundSFO → HKGTue, Jul 21 · 12:00 AM· 16h 25m· 1 stop
ReturnHKG ← SFOFri, Jul 31 · 5:30 AM· 14h 45m· 1 stop
$1,141
total round-trip
Book →
Air Canada · AC 4021
OutboundSFO → HKGThu, Jun 11 · 3:29 PM· 18h 19m· 2 stops
ReturnHKG ← SFOThu, Jul 16 · 1:45 AM· 16h 42m· 2 stops
$1,191
total round-trip
Book →
United Airlines · UA 2850
OutboundSFO → HKGTue, Jun 16 · 3:55 AM· 16h 27m· 1 stop
ReturnHKG ← SFOMon, Jun 29 · 3:05 AM· 13h 25m· 1 stop
$1,259
total round-trip
Book →
Air Canada · AC 4021
OutboundSFO → HKGThu, Jun 11 · 3:29 PM· 18h 19m· 2 stops
ReturnHKG ← SFOThu, Jul 9 · 1:45 AM· 16h 42m· 2 stops
$1,364
total round-trip
Book →

Try a nearby airport

Thin routes often have more options from a neighbouring airport.

Oakland (OAK) → Hong Kong (HKG)

nearby origin

San Jose (SJC) → Hong Kong (HKG)

nearby origin

About San Francisco → Hong Kong

Cathay + United parallel daily non-stops. SFO is Cathay's oldest US gateway; premium-cabin award space opens consistently 3-4 months out.

Typical non-stop flying time is around 14 hours. Major carriers on this route include Cathay Pacific, United. Fares are usually cheapest in January, February, May — book 6–10 weeks ahead and avoid school-holiday peaks (late June–August, Christmas–New Year) for the best pricing.

Month-by-month price guide: San Francisco to Hong Kong

Live cheapest round-trip fare cached on SFO → HKG for each of the next 12 months. Tap any month and run a live search to confirm.

Jun
Peak
from $1047
Jul
Peak
from $1017
Aug
No data
Sep
No data
Oct
No data
Nov
No data
Dec
No data
Jan
No data
Feb
No data
Mar
No data
Apr
No data
May
Low
from $902

Cheapest next 12 months: May from $902 round-trip. Run a live search →

Booking window tip

Long-haul fares are most predictable when booked 10-16 weeks ahead. Inside six weeks expect sharp increases, especially in premium cabins. If you're paying with miles, search 330+ days ahead when award inventory first loads.

Price drop alerts

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Questions, answered

How long is the flight from San Francisco to Hong Kong?
Non-stop flights on SFO → HKG are typically around 14 hours. Connecting itineraries add 3–8 hours depending on the hub and layover.
Which airlines fly from San Francisco to Hong Kong?
The main carriers on this route are Cathay Pacific, United. Codeshare and one-stop options add several more — the filter panel above shows every airline in the current fare set.
When is the cheapest time to fly from San Francisco to Hong Kong?
Historically the lowest fares land in January, February, May. Summer (mid-June through mid-August) and the Christmas / New Year window are always peak. Mid-week departures (Tuesday–Thursday) typically beat weekend prices by 10–20%.
How far ahead should I book San Francisco to Hong Kong?
Six to ten weeks ahead is the sweet spot for this route. Inside three weeks, fares tend to spike as airlines sell to last-minute business travellers. Award availability often opens 10–11 months out if you're booking on miles.
Can I book directly on destination.com?
The Book button on each fare opens the airline or OTA (Trip.com, Kiwi, Expedia, Booking, Priceline, etc.) that's actually selling that ticket. You complete payment there at the same price you saw here — we never add a markup.

Other ways to reach Hong Kong

If your plans are flexible on the origin, these alternate departure airports also serve Hong Kong on the routes we track.