FlexTrip Alerts

Flight price alerts: Hong Kong → San Francisco

Sample round trips on this route start around EUR 693; November 2026 is often the cheapest month in our next-3-month window. FlexTrip Alerts is a free email service — set flexible travel dates and a max price, and we notify you when a round trip fits. We check fares about four times per day; we do not sell tickets.

Set a free tracker with flexible dates and your max price. We email you only when a round trip fits.

Sample fares from EUR 693. Cheapest month in our next-3-month sample: November 2026.

Set an alert and we email you when a round trip drops under your limit.

Set a price alert

Round trips on this route

Cheapest-seen sample fares (next 3 months) — confirm the final price on the booking site when you click through.

Last updated .

  • Round trip · 17 nights
    Tue 10 Nov · 20:20
    Return Fri 27 Nov · 15:20

    EUR 693

    See deal
  • Round trip · 21 nights
    Fri 16 Oct · 11:30
    Return Fri 06 Nov · 22:40

    EUR 698

    See deal

Frequently asked questions

How do I get email alerts when Hong Kong to San Francisco flights drop in price?
Create a free FlexTrip Alerts tracker for Hong Kong International Airport (HKG) to San Francisco International Airport (SFO). Choose your flexible departure window, stay length, and maximum price — we email you when a round trip fits.
Does FlexTrip Alerts book flights from Hong Kong to San Francisco?
No — we do not sell tickets. FlexTrip Alerts watches prices and emails you when a fare matches your plan. You book on the airline or travel site you prefer when you receive an alert.
Can I set flexible travel dates for Hong Kong to San Francisco alerts?
Yes. Pick a departure window (not one fixed day) and how many nights you can stay. We match round trips that fit your window, stay length, and max price — then email you when one qualifies.
How often does FlexTrip Alerts check Hong Kong to San Francisco fares?
We scan aggregated fares on a schedule — about four times per day (every ~6 hours, UTC). You can also trigger an on-demand check from your dashboard, with a short cooldown between manual refreshes.
What is the cheapest month to fly from Hong Kong to San Francisco?
Based on recent fare samples on this page, November 2026 is currently the cheapest month to fly from Hong Kong to San Francisco, with round trips from about EUR 693. Prices change — set an alert to catch the next drop.

More routes from Hong Kong

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Hong Kong (HKG) → Tokyo (NRT)Hong Kong (HKG) → Singapore (SIN)Hong Kong (HKG) → Bangkok (BKK)Hong Kong (HKG) → Sydney (SYD)Hong Kong (HKG) → London (LON)Hong Kong (HKG) → Paris (PAR)

Flying to San Francisco?

See all 7 departure cities with price alerts into San Francisco International Airport (SFO).

View routes to San Francisco