Flight deals from Lisbon (LIS) to Boston (BOS) — tracked by aifly.one with 70 tracked fares.
Real fares aifly has tracked from Lisbon to Boston, with our good-price benchmark below.
Our average tracked fare is €455, with our best find at €393.
Price tracking data
| Metric | Value |
|---|---|
| Fares tracked | 70 |
| Average tracked fare | €455 |
| Lowest fare seen | €393 on 2026-06-12 |
| Golden Filter threshold | €342 (25% below average) |
| Airlines we’ve tracked | Air france, Icelandair, Klm, Tap air portugal |
| Last fare tracked | 2026-06-30 |
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How we track deals
Our automated pipeline monitors multiple flight deal sources for Lisbon to Boston around the clock. Every price is verified before we publish. We only surface fares that pass our Golden Filter — priced 25% or more below the rolling average for this route.
What is the average fare from Lisbon to Boston?
Based on 70 tracked fares, the average fare is €455. Our lowest fare seen was €393 on 2026-06-12.
How do I get alerts for cheap flights from Lisbon to Boston?
Join our Telegram channel at t.me/aiflydeals. Our system publishes deals the moment this route drops 25% below its rolling average.
Which airlines have deals from Lisbon to Boston?
Airlines from our tracked fares: Air france, Icelandair, Klm, Tap air portugal. Based on actual tracked fares — not a complete list of all operators.