San Francisco to Rome: buy now or wait?
Typical one-way fare San Francisco→Rome: €343 (median of 13 daily lowest fares we tracked); under €292 is a good price; cheapest month: December; book 42–55 days ahead.
Cheaper than 46% of what we have seen
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What the history says
Based on 49 prices we recorded on this exact route, compared against the same departure month.
Best booking window
42–55 days — is when this route has been cheapest to book: €345 typical, on 14 observations. That is about €28 less than booking in the last two weeks.
Cheapest months to fly to Rome
Booking tips from our fare data
- How far in advance should you book a flight?
- Book 1.5–2 months before departure. Tracking the same flights at every lead time (103,225 flights on 20,679 routes, 2026-06-14 to 2026-11-07), that window had the smallest average premium over each flight's lowest fare: +16.4%, against +48.9% 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 +3.8% and Tuesday +4.3%, while Friday was the dearest at +10.4%. Weekend departures cost more than midweek ones.
- How much does a flight in Europe cost?
- €113 one way at the median, across 27,958 routes within Europe (fares observed 2026-06-14 to 2026-11-07). The cheapest countries to fly to were Albania (€58), Malta (€61.5), Italy (€75); the dearest Belarus (€299) and Russia (€290).
Price drops on Telegram
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