Boston to Frankfurt · 30-day trend
Median fare $291 · 30-day low $255. Snapshots updated daily (last: Sep 25, 2026).
What this means
Each point on the chart above is the cheapest cached round-trip fare from Boston (BOS) to Frankfurt (FRA) on that snapshot day, sourced nightly from our travel-data partner Travelpayouts.
The median is the typical asking price for this route across a rolling 30-day window — half of recent snapshots were cheaper, half more expensive. The low is what your fare-floor target should be if your dates are flexible; the high tells you what to walk away from.
Ready to book?
Cached prices give you the baseline. For your exact dates, search live fares — Aviasales checks every major OTA in one query.
See our best-time-to-book guide for BOS → FRA →Target price, booking window, weekday pattern.
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Data: 30-day rolling window of cheapest cached round-trip fares from Travelpayouts, snapshotted nightly. Actual fares for your specific dates and travel class will vary — we link to live search above for current pricing. Index last updated Sep 25, 2026.