Shanghai to San Francisco: buy now or wait?
Typical one-way fare Shanghai→San Francisco: €392 (median of 31 daily lowest fares we tracked); under €333 is a good price; cheapest month: October; book 28–41 days ahead.
Cheaper than 77% of what we have seen
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All fares Shanghai → San Francisco
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What the history says
Based on 37 prices we recorded on this exact route, compared against every month we have on record.
Best booking window
28–41 days — is when this route has been cheapest to book: €387 typical, on 6 observations. That is about €7 less than booking in the last two weeks.
Cheapest months to fly to San Francisco
Booking tips from our fare data
- How far in advance should you book a flight?
- Book 1–1.5 months before departure. Tracking the same flights at every lead time (97,668 flights on 19,841 routes, 2026-06-14 to 2026-11-05), that window had the smallest average premium over each flight's lowest fare: +16.7%, against +49.3% in the last 3 days.
- What is the cheapest day of the week to fly?
- Wednesday. Comparing each fare with the median of its own route, Wednesday departures were +3.5% and Tuesday +4.3%, while Friday was the dearest at +10.5%. Weekend departures cost more than midweek ones.
- What is the cheapest month to fly?
- November 2026. Comparing each route's fares month by month (booked 8–60 days ahead), November 2026 departures were -1.1% against the route's own median, while January 2027 was the dearest at +22.7%. Covers September 2026, October 2026, November 2026, December 2026, January 2027; fares observed 2026-06-14 to 2026-11-05.
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