Boston (BOS) to Paris (PAR): 3,439 miles (5,535 km) great-circle, about 7h 25m nonstop by our estimate. Cheapest fare observed: $613 round-trip on United Airlines, with 1 stop, departing May 30, 2026.
$613 round-trip, United Airlines UA1734, departing 2026-05-30 at 05:45, returning 2026-06-07. The recorded itinerary left on a Saturday, returning on a Sunday 8 nights later; the fare was observed 35 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $613, it ranked 15th of the 30 round-trip fares we recorded from BOS (median $623). That is 17.8 cents per great-circle mile (round-trip price over one-way distance), close to the BOS median of 19.1 cents across 30 round-trip routes.
Routes from BOS of similar length: Casablanca (3,434 mi) at $931 and Praia (3,387 mi) at $916.
BOS to PAR is the only one of 30 BOS routes where United Airlines priced cheapest. It is the 10th longest of the 30 routes we track from BOS.
Of 63 departure airports with a fare to Paris, Boston (BOS) ranked 45th at $613. Lowest: $44 from Milan (MXP); highest: $1813 from Auckland (AKL); 28 nonstop. Cheapest-fare airlines (routes): Ryanair (17), easyJet (4), WestJet (4), Condor (3), Wizz Air Malta (3) and Japan Airlines (2), plus 26 more.
That depends on your passport and trip, so check the official source for France: European Commission: Schengen visa policy. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/New_York, Europe/Paris; flight time is our estimate.