Flyus.com searches for the lowest fares from hundreds of airlines to offer you cheap, competitive airfares to your desired destinations, no matter where you're headed. Tell us where you want to go and our interactive Price Tracker tool will point you to the best time to fly to save you time and money!
Boston (BOS) » Portugal » BOS to OPO
Good to Know - Flights from Boston to Porto
September
Best time to beat the crowds
July
Most popular time to fly
$ 516.51
or less (round trip)
Top Tips for Finding Cheap Flights from Boston to Porto
Looking for cheap airfare from Boston to Porto? 25% of our users found round-trip tickets to Porto for the following price or less: $ 516.51 Book at least 4 weeks before departure in order to get a below-average price. High season is considered to be July. The cheapest month to fly from Boston to Porto is September. Enter your preferred departure airport and travel dates into the search form above to unlock the latest Boston to Porto flight deals.
FAQs - Booking from Boston to Porto flights
A flight from Boston to Porto takes 12hours5minutes.
The cheapest flight Boston to Porto found on flyus.com in the last 72 hours was $516.51 round-trip.
Find cheap flights from Boston to Porto and book discounted airfare from different cities all over the United States. Explore airline ticket deals on flight routes all over the World! At Flyus, we take pride in helping you discover and book the best flight deals for your next trip at the cheapest price. We make booking flights from different departures easy and provide you with peace of mind with our Best Purchase Guarantee.
Cheapest Flights
from Boston, United States (BOS) to:
-
Porto, Portugal (OPO)Sep 24, 25 - Oct 01, 25$516.51
-
Porto, Portugal (OPO)Sep 24, 25 - Oct 22, 25$516.61
-
Porto, Portugal (OPO)Oct 08, 25 - Oct 15, 25$516.61
-
Porto, Portugal (OPO)Mar 31, 25 - Apr 07, 25$527.01
-
Porto, Portugal (OPO)Oct 08, 25 - Oct 13, 25$537.11
