Route tracked

Boston → Lisbonne

Over the last 30 days a Boston → Lisbonne flight costs around €550 (74 price readings). The lowest price recorded so far is €386, across 46 archived deals.

Best current price
511€
departing 10/11/2026
Usual price (30 d)
550€
74 readings
Record low
386€
46 archived deals
Reasonable, nothing more. 7% below average — a common gap on this route.

Price over the last 30 days

In short: over the last 30 days the fare on this route moved between €525 and €603. The low point is almost always a pricing error — a fare published by mistake that disappears within hours. Based on our own tracking (Faro, 2026), those windows rarely last more than a day.

From €525 to €603 over the period. The red bar marks the low point.

When to fly cheaper

The most important factor is not the booking day but the departure month. On this route the gap between the cheapest and priciest month often exceeds 40%. The table below draws on 46 genuinely archived deals (Faro, 2026): every row holds at least three observations, and months below that threshold are left out.

The cheapest month observed is September, from €399 (12 deals observed). The priciest is August, averaging €726.

Month Deals Min Average
June 4 562€ 629€
August 3 635€ 726€
September 12 399€ 604€
October 13 517€ 590€
November 10 490€ 566€

How often a good price appears

The useful question is not what the price is, but how often it drops. A good fare that shows up twice a year cannot be planned the same way as one that returns monthly. Here is what our tracking shows on this route (Faro, 2026).

No clearly below-average fare has been recorded on this route yet.

Live deals on this route

The fares below are ones we detected and verified, with their departure dates. They are not guaranteed: a pricing error can be corrected by the airline at any time, sometimes within the hour. The price shown is the one recorded at detection.

BOS → LIS
10/11/2026
511€
BOS → LIS
16/10/2026
533€
BOS → LIS
15/10/2026
551€
BOS → LIS
25/11/2026
594€
See the best fare →

Frequently asked questions

What is a normal price for a Boston → Lisbonne flight?

Over the last 30 days the fare sits around €550 based on 74 readings. Below €440 is a good deal.

When should you book to pay less?

From our readings, September is the cheapest month (from €399) and August the priciest (averaging €726).

Are these prices guaranteed?

No. These are fares we actually observed, often pricing errors that vanish within hours. We show the detection time for every deal.

Other destinations from Boston

Last updated: · based on our own tracking (Faro, 2026)