Flights from Frankfurt to San Francisco

The cheapest round-trip from Frankfurt to San Francisco is about 520 EUR, usually in September 2026; July 2026 is priciest, so booking the low month saves around 52 EUR (~9%). Typical fare ~556 EUR, from 330 priced fares. Flightmussy live data, updated 2026-06-13.

Cheap flights from Frankfurt (FRA/HHN) to San Francisco (SFO/OAK/SJC). Free, no signup, no ads, no tracking. Compare every airline across 12 months of fares on one heatmap — including low-cost carriers Google Flights often deprioritises.

Fare insights: Frankfurt to San Francisco

Cheapest round-trip seen: 520 EUR, usually around September 2026. Typical fare ~556 EUR. Across the year prices range roughly 520–572 EUR — about 9% cheaper in the low season than the peak (July 2026). Carriers on this route include American, British Airways, KLM, Delta.

Based on Flightmussy's live 12-month fare data; prices last updated 2026-06-13. Prices change constantly — search live for current fares.

Cheapest fare by month: Frankfurt to San Francisco

The lowest round-trip fare we found for each month over the coming year — low season versus peak at a glance. September 2026 is cheapest; July 2026 is priciest.

Jun 2026565 EUR
Jul 2026572 EUR
Aug 2026556 EUR
Sep 2026520 EUR
Oct 2026520 EUR
Nov 2026556 EUR
Dec 2026556 EUR
Jan 2027556 EUR
Feb 2027556 EUR
Mar 2027556 EUR
Apr 2027556 EUR
May 2027558 EUR

Why search this route on Flightmussy

Frequently asked questions

What is the cheapest month to fly from Frankfurt to San Francisco?
The cheapest round-trip fares from Frankfurt to San Francisco start around 520 EUR and are typically lowest in September 2026; July 2026 is the most expensive. Fares swing about 9% across the year. (Flightmussy live data, updated 2026-06-13.)
How much does a flight from Frankfurt to San Francisco typically cost?
Typical round-trip is ~556 EUR; across the year fares run 520–572 EUR, cheapest 520 EUR in September 2026. Based on 330 priced fares, updated 2026-06-13.
How much can I save flying Frankfurt to San Francisco in the cheapest month?
Booking the September 2026 low instead of the July 2026 peak saves about 52 EUR (~9%) per round-trip. Updated 2026-06-13.
Which airlines fly from Frankfurt to San Francisco?
Carriers seen on Frankfurt → San Francisco in recent searches: American, British Airways, KLM, Delta. Flightmussy compares every carrier serving Frankfurt → San Francisco, including budget airlines like Wizz Air, Norwegian, Ryanair and easyJet that Google Flights often deprioritises.
Do I need to sign up to search flights from Frankfurt to San Francisco?
No. Flightmussy is free and requires no account, no email, and no credit card. Search, compare, and click through to book directly with the airline or booking partner.

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About Flightmussy

Flightmussy is a free flight meta-search built by one person in Oslo. No signup, no ads, no tracking — email is optional, only for route price alerts. Compare fares across airlines and see 12 months of prices at a glance — including low-cost carriers Google Flights often deprioritises (Widerøe, Wizz Air, Norwegian, Ryanair). Pay with a card at the airline, or use the Crypto button on any result to check out in BTC, ETH, USDT, BNB or AVA via Travala.

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:

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