Cheapest month to fly to San Francisco

The cheapest month to fly to San Francisco is most often November — cheapest from 22% of the 51 origin cities we track, and an autumn month (Sep–Nov) is cheapest for 61% of them. It depends where you fly from; the cheapest right now are Los Angeles (from 48 EUR, November); Vancouver (from 124 EUR, October); Boston (from 211 EUR, July); New York (from 214 EUR, August).

When is it cheapest to fly to San Francisco? Below is the cheapest month and round-trip fare from 51 origin cities, from Flightmussy's 12-month fare scans. Updated 2026-06-13.

Fares are round-trip estimates in EUR from 12-month scans — they change constantly; click any route to search live prices.

See also: the cheapest month to fly almost anywhere — Flightmussy's global fare-data study.

Frequently asked questions

Cheap flights and the cheapest month to fly, worldwide

About Flightmussy

Flightmussy is a free, independent flight search for travellers anywhere in the world. No signup, no ads, no tracking — email is optional, only for route price alerts. Compare fares across every airline and see 12 months of prices at a glance, including the low-cost carriers Google Flights often buries. Book directly with the airline or a trusted partner — we never add a markup.

Flight price data & research

Flightmussy runs its own 12-month forward fare scans across thousands of routes worldwide and publishes the data openly. Read the cheapest month to fly almost anywhere → — a global study of when fares are lowest — or browse the cheapest destinations from a city:

Popular routes

Popular long-haul routes

Popular regional routes

Browse by origin

Read the blog →