Route Price Intelligence
Cheap Flights From Boston to Porto
Live pricing benchmarks, monthly patterns, and historical lows for this route.
⭐ Great DealFound 5d ago
$374Excellent European deal! Boston to Porto, Portugal for $374 on TAP Air Portugal. Discover this charming coastal city known for port wine, stunning architecture, and rich culture.
✓ 3 date combinations found at this price
Search Google FlightsTypical Price
$723
Deals From
$374
Usually Costs
$374 – $844
Lowest We've Seen
$340
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$606
Feb
—
Mar
—
Apr
$644
May
$833
Jun
$993
Jul
$866
Aug
$769
Sep
$718
Oct
$626
Nov
$590
Dec
$733
Cheapest Average Expensive
Best Time to Fly from Boston to Porto
The cheapest time to fly from Boston to Porto is typically November, when fares average around $590. The most expensive month tends to be June at around $993. For the best deals, consider flying in November, January, October.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $36870 price checksWorst: $588