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The cheapest order to fly London, Amsterdam and Paris from Boston

There are 6 ways to fly these cities, and 4 of them can be priced from fares we have seen. They do not cost the same. The cheapest works out at about $818 a person and the most expensive at $916, a difference of $98 for visiting exactly the same places.

Fly them in this order

Boston → Paris → Amsterdam → London → Boston

About $818 per person in flights, based on fares recently seen on these routes, and the cheapest of the 4 ways round we could price.

The 4 we can price

  1. Boston → Paris → Amsterdam → London → Boston$818
    cheapest order
  2. Boston → Paris → London → Amsterdam → Boston$847
    $29 more per person
  3. Boston → London → Paris → Amsterdam → Boston$861
    $43 more per person
  4. Boston → London → Amsterdam → Paris → Boston$916
    $98 more per person

Why end in London

  1. Boston to Paris$262
  2. Paris to Amsterdam$63
  3. Amsterdam to London$70
  4. London to Boston$423
  • Going home, London is the cheapest city to leave from at about $423, against $543 from Paris.
  • London to Amsterdam is about $37, but the other way round is $70. Same two cities, $33 apart on direction alone.
  • The dearest order pays $543 for Paris to Boston, a flight the cheapest order never takes.
  • London to Boston is 52% of what the cheapest order spends on flights, so it is the leg to watch.

Between the cities

  • Paris to Amsterdam: about 430 km (270 miles) as the crow flies. Also by ground: Eurostar (ex-Thalys), about 3h 20m, usually $40 to $150.
  • Amsterdam to London: about 360 km (220 miles) as the crow flies. Also by ground: Eurostar, about 4h, usually $60 to $180.

Entry rules on a US passport

  • US passport: visa-free in the Schengen area for 90 days in any 180. The Entry/Exit System registers biometrics at the border, and the ETIAS pre-travel authorisation may now be required; check the official site. Official source
  • US passport: the UK requires an Electronic Travel Authorisation (ETA) for visa-free visitors, including short visits and landside transit. Apply via the UK ETA app before travel. Official source

Rules change; check the official source for your passport and dates before you book.

The same cities from other airports

The cheapest order depends on where you start. From Boston it starts in Paris.

  • From Miamistart in London, about $839 a person, $161 less than the dearest order
  • From Chicagostart in London, about $898 a person, $462 less than the dearest order
  • From Atlantastart in London, about $972 a person, $231 less than the dearest order
  • From Dallasstart in Paris, about $1,006 a person, $223 less than the dearest order

What these numbers are

Cached one-way fares, 11 of 12 legs priced from real observations, put together on October 29, 2026, from fares departing November 3, 2026 onwards. Right for comparing one order with another, not a quote for your dates.

A plan prices your own dates and weighs hours as well as fares, so it can pick a different order from this page.

Other trips priced this way

From Boston

Trips through the same cities

Put dates on it

Same cities on real dates, plus what one search cannot show: layovers long enough to count as a free city, two tickets that beat one, and cheaper days either side. No account and no card.

One press starts it on January 2, 2027 to January 16, 2027, 14 days, for 2 travelers. Our dates, not yours, and about two minutes.

Plan London, Amsterdam and Paris from Boston nowOpen the form instead and pick your own dates

Signed out, 3 plans a day per address, priced from cached fares and the free sources, so some legs may be estimates and the plan says which. Signed in, legs are checked live, with 2 free trips you can change afterwards.