Stopovers between Boston and Paris
Boston to Paris is about 5,534 km. 12 cities sit close enough to the route to add a night or two, and Reykjavík, Porto, Geneva have airline stopover programs. Pick your dates to see what each one really costs.
Cities on the way
Heathrow Express gets you to Paddington in 15 minutes.
US preclearance on the way home means you land in the US as a domestic arrival.
Sits almost exactly on the great circle between North America and Europe, so the detour is tiny.
Train from Schiphol to Centraal in 15 minutes, every few minutes.
Short train in; Bruges and Ghent are an easy day trip.
European feel without crossing the Atlantic.
Tram from the airport straight to Princes Street.
Plenty of flights from every airline make for flexible stopovers.
Riverside wine town with a direct metro from the airport.
Compact lakeside city with free public transport for hotel guests.
Train from the airport to the old town in 12 minutes, so even a single night works.
Iberia lets you stop 1–9 nights at no extra airfare.