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 2026-08-28 → 2026-09-04. Showing recent fares on SFO → HKG — pick a different date in the calendar above or run a live search.

San Francisco → Hong Kong · 10 fares12-month low · $634

Cached from Travelpayouts · filter & sort below

Showing 10 of 10 results

Cheapest
Philippine Airlines · PR 105
OutboundSFO → HKGTue, Nov 3 · 6:40 AM· 17h 10m· 1 stop
ReturnHKG ← SFOTue, Dec 1 · 5:30 AM· 14h 45m· 1 stop
$634
total round-trip
Book →
Cheapest
Philippine Airlines · PR 105
OutboundSFO → HKGMon, Nov 9 · 6:40 AM· 17h 10m· 1 stop
ReturnHKG ← SFOMon, Dec 7 · 11:05 AM· 14h 45m· 1 stop
$634
total round-trip
Book →
China Eastern · MU 590
OutboundSFO → HKGMon, Nov 9 · 8:00 PM· 16h 30m· 1 stop
ReturnHKG ← SFOMon, Dec 7 · 1:35 AM· 13h 20m· 1 stop
$756
total round-trip
Book →
Philippine Airlines · PR 105
OutboundSFO → HKGWed, Nov 11 · 6:40 AM· 17h 10m· 1 stop
ReturnHKG ← SFOSun, Dec 6 · 2:55 PM· 14h 40m· 1 stop
$861
total round-trip
Book →
China Eastern · MU 590
OutboundSFO → HKGMon, Oct 26 · 8:00 PM· 16h 30m· 1 stop
ReturnHKG ← SFOMon, Nov 23 · 1:35 AM· 13h 20m· 1 stop
$868
total round-trip
Book →
Philippine Airlines · PR 105
OutboundSFO → HKGTue, Oct 13 · 7:30 AM· 16h 30m· 1 stop
ReturnHKG ← SFOTue, Oct 20 · 2:30 PM· 12h 40m· Non-stop
$870
total round-trip
Book →
Philippine Airlines · PR 105
OutboundSFO → HKGMon, Nov 9 · 6:40 AM· 17h 10m· 1 stop
ReturnHKG ← SFOMon, Nov 30 · 2:10 AM· 13h· 1 stop
$876
total round-trip
Book →
Philippine Airlines · PR 105
OutboundSFO → HKGMon, Sep 7 · 7:30 AM· 16h 25m· 1 stop
ReturnHKG ← SFOWed, Sep 30 · 11:40 AM· 13h 20m· 1 stop
$877
total round-trip
Book →
Philippine Airlines · PR 105
OutboundSFO → HKGTue, Nov 10 · 6:40 AM· 17h 10m· 1 stop
ReturnHKG ← SFOMon, Nov 30 · 3:20 AM· 12h 55m· 1 stop
$877
total round-trip
Book →
Air Canada · AC 5113
OutboundSFO → HKGFri, Dec 18 · 4:13 PM· 16h 43m· 1 stop
ReturnHKG ← SFOMon, Jan 4 · 1:20 AM· 15h 12m· 2 stops
$1,696
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.

Jul
No data
Aug
No data
Sep
Low
from $877
Oct
Low
from $868
Nov
Low
from $634
Dec
Peak
from $1696
Jan
No data
Feb
No data
Mar
No data
Apr
No data
May
No data
Jun
No data

Cheapest next 12 months: November from $634 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

Email me when San Francisco → Hong Kong drops.

One email per route, only when fares actually move. Set a ceiling if you only want to hear about big drops.

Also text me when it drops — fastest alert

We’ll never share your email. Unsubscribe in any send.

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.