International route
Cheap flights from Porto to Boston
Porto Airport (OPO) to Boston Logan International Airport (BOS). 3,136 miles, connecting flights only.
OPO to BOS at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 3,136 milesgreat-circle
- Typical flight time
- 6h 45mif flown nonstop
- Nonstop airlines
- None (connecting only)
- Nonstop flights per day
- 0connections available
- Cheapest month
- January 2027over the next six months
- Best day to fly
- Wednesday19% less than Friday
- Time difference
- 5h behindBoston vs Porto
Porto to Boston
Round trips from $308
Per traveler, taxes and fees included. Lowest fare we found departs Tue, Jan 19.
Cheapest month: January 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppPorto to Boston fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Porto to Boston
No nonstop service: 6 airlines offer one-stop itineraries.
- EIAer LingusConnecting via DUB · first checked bag from $70
- AFAir FranceSkyTeamConnecting via CDG, ORY · first checked bag from $75
- BABritish AirwaysoneworldConnecting via LGW · first checked bag from $75
- IBIberiaoneworldConnecting via MAD · first checked bag from $70
- NONorse Atlantic AirwaysLow-costConnecting via LGW · first checked bag from $80
- LXSWISSStar AllianceConnecting via GVA · first checked bag from $75
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- London (LGW)BANO2 airlines
- Dublin (DUB)EI1 airline
- Paris (CDG)AF1 airline
- Paris (ORY)AF1 airline
- Geneva (GVA)LX1 airline
Tips for this route
- There is no scheduled nonstop between OPO and BOS. Every itinerary connects, most often through LGW, DUB or CDG, so sort results by total travel time rather than price alone.
- January 2027 is the cheapest month to fly over the next six months, with round trips from $308; September 2026 is the most expensive at $421 and up, a difference of $113 per traveler.
- Departing on a Wednesday averages 19% less than a Friday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Book 6 to 12 weeks ahead; fares climb in the last three weeks and around holidays.
- Boston is 5 hours behind Porto. A morning departure lands in Boston with most of the day left; an evening flight arrives close to local dinner time.
Destination guide
Boston: Revolutionary history in a walkable harbor city
Boston is compact, historic and easy: Logan Airport is minutes from downtown, the Freedom Trail links the sights, and fall in New England starts here. JetBlue and Delta hubs mean strong fare competition.
Best time to visit: Late September–October for foliage and crisp weather, May–June for spring. Summer is warm and busy; winter is cold but has the lowest prices.
Flying the other way? Boston to PortoFares, airlines and tips for BOS to OPO.Ready to compare live fares?
See every airline on OPO–BOS side by side with bags and seat rules spelled out.
Search Porto to BostonPorto to Boston: common questions
How long is the flight from Porto to Boston?
There are no nonstop flights, so the trip from Porto (OPO) to Boston (BOS) takes 6h 45m of flying plus a layover, usually 9h 45m or more door to door across 3,136 miles.
Which airlines fly nonstop from OPO to BOS?
No airline currently flies nonstop between Porto (OPO) and Boston (BOS). The most common connections are through LGW, DUB and CDG.
What is the cheapest month to fly from Porto to Boston?
Over the next six months, January 2027 has the lowest round-trip fares from Porto (OPO) to Boston (BOS), starting at $308 per traveler including taxes and fees. Within any month, Wednesday departures average the lowest prices.
How far in advance should I book Porto to Boston flights?
Book 6 to 12 weeks ahead; fares climb in the last three weeks and around holidays. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Porto and Boston?
Boston is 5 hours behind Porto. OPO is on Europe/Lisbon time and BOS on America/New York time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.