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…

No cached fares for exactly 2026-06-08 → 2026-06-15. Showing recent fares on SFO → HKG — pick a different date in the calendar above or run a live search.

San Francisco → Hong Kong · 20 fares

Cached from Travelpayouts · filter & sort below

Showing 17 of 20 results

Cheapest
F8 · F8 1849
OutboundSFO → HKGTue, Jun 2 · 1:45 AM· 18h 50m· 2 stops
$678
one-way
Book →
China Eastern · MU 590
OutboundSFO → HKGMon, Oct 19 · 7:00 PM· 17h 50m· 2 stops
ReturnHKG ← SFOWed, Nov 18 · 12:20 PM· 13h 25m· 1 stop
$769
total round-trip
Book →
Philippine Airlines · PR 105
OutboundSFO → HKGTue, Oct 6 · 7:30 AM· 16h 25m· 1 stop
ReturnHKG ← SFOThu, Oct 22 · 5:40 AM· 15h 20m· 1 stop
$808
total round-trip
Book →
Asiana Airlines · OZ 211
OutboundSFO → HKGFri, Oct 2 · 6:20 AM· 16h 45m· 1 stop
ReturnHKG ← SFOTue, Nov 3 · 5:10 AM· 13h 30m· 1 stop
$939
total round-trip
Book →
Philippine Airlines · PR 105
OutboundSFO → HKGTue, Oct 13 · 7:30 AM· 16h 25m· 1 stop
ReturnHKG ← SFOWed, Nov 18 · 12:20 PM· 13h 25m· 1 stop
$940
total round-trip
Book →
Philippine Airlines · PR 105
OutboundSFO → HKGWed, Sep 16 · 7:30 AM· 16h 30m· 1 stop
ReturnHKG ← SFOFri, Oct 16 · 5:40 AM· 15h 20m· 1 stop
$951
total round-trip
Book →
Philippine Airlines · PR 105
OutboundSFO → HKGMon, Apr 27 · 7:30 AM· 16h 25m· 1 stop
ReturnHKG ← SFOThu, May 7 · 12:10 PM· 13h 25m· 1 stop
$998
total round-trip
Book →
YP · YP 112
OutboundSFO → HKGSun, Apr 26 · 10:30 PM· 16h 50m· 1 stop
ReturnHKG ← SFOFri, May 8 · 12:10 PM· 13h 25m· 1 stop
$1,034
total round-trip
Book →
JX · JX 11
OutboundSFO → HKGTue, Jul 21 · 7:50 AM· 14h 55m· 1 stop
ReturnHKG ← SFOWed, Jul 22 · 12:10 PM· 13h 55m· 1 stop
$1,093
total round-trip
Book →
China Eastern · MU 590
OutboundSFO → HKGThu, May 21 · 7:00 PM· 16h 45m· 1 stop
ReturnHKG ← SFOThu, May 28 · 9:05 AM· 18h 55m· 2 stops
$1,149
total round-trip
Book →
EVA Air · BR 7
OutboundSFO → HKGFri, Nov 20 · 8:00 PM· 16h· 1 stop
ReturnHKG ← SFOMon, Nov 30 · 11:40 AM· 12h 55m· 1 stop
$1,179
total round-trip
Book →
United Airlines · UA 877
OutboundSFO → HKGThu, Jun 11 · 6:50 AM· 14h 10m· Non-stop
ReturnHKG ← SFOFri, Jul 10 · 3:45 AM· 13h 5m· Non-stop
$1,249
total round-trip
Book →
F8 · F8 1849
OutboundSFO → HKGThu, Jun 11 · 1:45 AM· 18h 50m· 2 stops
ReturnHKG ← SFOThu, Jul 2 · 5:40 AM· 15h 20m· 1 stop
$1,290
total round-trip
Book →
QK · QK 8558
OutboundSFO → HKGThu, Jun 11 · 7:50 PM· 18h 44m· 2 stops
ReturnHKG ← SFOThu, Jul 16 · 1:45 AM· 16h 42m· 2 stops
$1,413
total round-trip
Book →
Air India · AI 174
OutboundSFO → HKGMon, Jun 15 · 5:30 PM· 26h 35m· 1 stop
ReturnHKG ← SFOTue, Jun 23 · 12:10 PM· 13h 25m· 1 stop
$1,421
total round-trip
Book →
Cathay Pacific · CX 879
OutboundSFO → HKGFri, Dec 18 · 7:25 PM· 15h 35m· Non-stop
ReturnHKG ← SFOSun, Jan 10 · 5:00 PM· 12h· Non-stop
$1,502
total round-trip
Book →
United Airlines · UA 1896
OutboundSFO → HKGThu, Jun 11 · 3:50 PM· 16h 24m· 1 stop
ReturnHKG ← SFOThu, Jul 2 · 6:35 AM· 14h 25m· 1 stop
$1,594
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.

Apr
Low
from $998
May
Shoulder
from $1149
Jun
Shoulder
from $1195
Jul
Shoulder
from $1093
Aug
No data
Sep
Low
from $951
Oct
Low
from $769
Nov
Shoulder
from $1179
Dec
Peak
from $1502
Jan
Peak
from $1546
Feb
No data
Mar
No data

Cheapest next 12 months: October from $769 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.

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.