Route brief · BOS → PAR
Boston → Paris
$539
−17% vs typical
seasonal median $650 · difference $111
Sep 13 – Sep 19 · 6 nights
Virgin AtlanticNonstop
- Usual monthly lows
- $576–$649
- Board rank
- Stronger than 45%
- Route sample
- 4 observed months
Cached fare — the booking search re-prices live before you pay.
Destination briefPARParisStill the benchmark. Croissant inflation is real, but a $380 crossing fixes the math.Best windowApr–Jun · Sep–OctAirportsCharles de Gaulle (CDG) · Orly (ORY)All routes into ParisWhen this route gets cheap.
Cached-fare history: across 4 months, Sep is the cheapest for BOS → PAR. Best time to be there: Apr–Jun · Sep–Oct.
Fares bottom out in September around $539 and peak in December near $909 — a $370 spread across the 4 months we track. The cheapest itinerary we are tracking flies Virgin Atlantic nonstop and takes about 7 hours outbound, on a 6-night trip. At $539 for 5,531 km each way, that works out to about $49 per 1,000 km flown. That is above the $39 typical of medium-haul fares here. Across the 8 departure cities we track at a similar distance from Paris, this fare ranks 8th — 2.1× the $261 we hold from Abu Dhabi. That puts it in the cheaper half of the 26 routes of similar length we watch out of Boston, where the middle fare is $680.
Day-level prices for the next 4 months
Tap any day → live search
The median cached fare across this calendar is 1% lower than when tracking began on Aug 8 — $733 then versus $729 now, across 4 recorded snapshots. This is a calendar-level trend, so an individual deal above can be lower. The lowest single day we have seen here is $539, on Sep 13.
Cached day-level data for this route is sparse — 11 of 122 days priced, from 40 tracked fares. The days below are shown as found, with no cheapest-day or below-median call.
December 2026
Cheapest in Sep · around $539
17% below the $650 typical fare
Cheapest round-trip fare found per month · Boston → Paris · cached-price history
Route facts
- Airports
- Logan (BOS) ↔ Charles de Gaulle (CDG) · Orly (ORY)
- Flight time
- ~7 hours outbound
- Distance
- ~5,531 km each way
- Typical price
- $650 round-trip (seasonal median)
- Airlines on the board
- Virgin Atlantic
- Itineraries
- Nonstop available
- Best months to visit
- Apr–Jun · Sep–Oct
BOS → PAR, answered.
Is $539 a good price for Boston to Paris?
Only slightly. The seasonal median is around $650 round-trip and this fare is 17% under it, about $111. We do not call a drop notable until 20%, so this is an ordinary price for the route rather than a reason to hurry.
What is the cheapest month to fly from Boston to Paris?
Across 4 months of cached-fare history, Sep comes out cheapest on this route. The best months to actually be in Paris are Apr–Jun · Sep–Oct — when those overlap, that's your window.
How far in advance should I book BOS → Paris?
We do not publish a number for this, because we cannot measure it yet. Answering it honestly means watching the same departure date on this route over many weeks as it approaches, and that archive is still filling up — so any "book N days ahead" figure here would be borrowed from somewhere else rather than measured. What we can measure is which month is cheap: across 4 months of cached fares, Sep comes out lowest on this route. See /guides/what-moves-a-flight-price/ for what does move a fare.
Are there nonstop flights from Boston to Paris?
Yes — the current board includes nonstop fares (Virgin Atlantic). The outbound leg runs around 7 hours.
Are these prices guaranteed?
No — these are cached fares found on real searches (this one on September 1). Airlines reprice constantly, so the booking search re-checks the live price before you pay. Fresher finds are far more likely to still be available.
Next step
Sleeping in Paris?
Lock the flight first — then compare stays for Sep 13 – Sep 19 · 6 nights.
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Missed it?
Cached fares expire. This route has a feed of its own — follow it and the next BOS → PAR drop reaches you as soon as we find it.
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