One route, followed properly: Paris (CDG) to Boston (BOS), return. What follows is the lowest fare our radar has picked up on it and the precise dates behind that number, rather than a headline price with the conditions left out.
We do not post a price and leave it to age. Each fare is re-checked against Skyscanner on a schedule and carries the time it was last confirmed. Not flying from Paris? We track 41 other departure cities for Boston, listed at the foot of this page.
Paris → Boston
for 6 Oct – 20 Oct 2026
✓ live-checked 46 minutes ago
Check live price on Skyscanner →Price history 37 checks recorded for this route
lowest seen €215 · typical €496 · highest €539 · now €215
The cheapest Paris to Boston return flight on the radar right now is €215, flying with Aer Lingus via one or more connections. It covers departures in October 2026, and every dated link below opens that exact CDG–BOS search on Skyscanner. At 57% under the €496 we normally record here, it is one of the strongest CDG–BOS fares in our index. Across 37 recorded checks it has ranged between €215 and €539. Our sampling points to October 2026 as the cheapest month to fly Paris to Boston.
Paris to Boston flights: common questions
How much is a flight from Paris to Boston?
The lowest return fare we currently track from Paris (CDG) to Boston (BOS) is €215. The typical price on this route is €496, so anything near €215 is worth booking quickly. Over 37 recorded checks we have seen it as low as €215 and as high as €539.
Which airline flies from Paris to Boston at this price?
This €215 fare is with Aer Lingus, with at least one connection. The live search lists every carrier serving the route, so you can compare schedules before booking.
Is there a direct flight from Paris to Boston?
This €215 fare includes at least one connection. If you need a non-stop Paris to Boston flight, open the live search and apply the direct filter there.
When is the cheapest time to fly from Paris to Boston?
Our price sampling points to October 2026 as the cheapest departure month on this route. The dated links on this page cover October 2026.
Is the €215 Paris to Boston fare still available?
We last confirmed this €215 fare against live Skyscanner availability 46 minutes ago. Deal fares move within days, so the Check live price button re-runs the exact search and shows today's number rather than a cached one.
How do I book this Paris to Boston deal?
Pick a date pair above or press Check live price. That opens the exact CDG–BOS search on Skyscanner, where you book directly with the airline or agent. TravelFree does not sell tickets, adds no booking fee and does not mark the price up.
Every Paris to Boston price on this page comes from a real bookable quote and is re-checked automatically. TravelFree takes no commission from you and never marks a fare up.
Cheap fares do not hang around. If this one has already gone, nudge the dates either way by a day or two; Paris to Boston is usually still decent value around the same window.