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The cheapest order to fly London, Paris and Rome from Atlanta

There are 6 ways to fly these cities. They do not cost the same. The cheapest works out at about $911 a person and the most expensive at $1,068, a difference of $157 for visiting exactly the same places.

Fly them in this order

Atlanta → London → Rome → Paris → Atlanta

About $911 per person in flights, based on fares recently seen on these routes.

Every order, priced

  1. Atlanta → London → Rome → Paris → Atlanta$911
    cheapest order
  2. Atlanta → London → Paris → Rome → Atlanta$926
    $15 more per person
  3. Atlanta → Rome → Paris → London → Atlanta$981
    $70 more per person
  4. Atlanta → Paris → Rome → London → Atlanta$993
    $82 more per person
  5. Atlanta → Rome → London → Paris → Atlanta$1,055
    $144 more per person
  6. Atlanta → Paris → London → Rome → Atlanta$1,068
    $157 more per person

Why London first

  1. Atlanta to London$246
  2. London to Rome$29
  3. Rome to Paris$36
  4. Paris to Atlanta$600
  • Out of Atlanta, London is the cheapest first stop at about $246. Paris would be $403.
  • Going home, the cheapest flight leaves from London at about $519, but the cheapest order ends in Paris at $600 because the rest of the route is cheaper that way.
  • Paris to Atlanta is 66% of what the cheapest order spends on flights, so it is the leg to watch.

Between the cities

  • London to Rome: about 1,430 km (890 miles) as the crow flies. No train or bus we would suggest instead of flying.
  • Rome to Paris: about 1,110 km (690 miles) as the crow flies. No train or bus we would suggest instead of flying.

Entry rules on a US passport

  • 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
  • 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 authorization may now be required; check the official site. Official source

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

How much the order matters here

Getting the order right is worth $157 a person on this trip, 17% of what the cheapest way round costs. Of the 107 trips we price in full, that is number 76 for how much the order matters, one of the smaller gaps: on this trip your dates are likely to matter more than the order.

The same cities from other airports

The cheapest order depends on where you start. From Atlanta it starts in London.

  • From New Yorkstart in Paris, about $615 a person, $55 less than the dearest order
  • From Chicagostart in Rome, about $762 a person, $580 less than the dearest order
  • From Los Angelesstart in Paris, about $769 a person, $89 less than the dearest order
  • From Washingtonstart in Paris, about $896 a person, $143 less than the dearest order

What these numbers are

Cached one-way fares, 12 of 12 legs priced from real observations, put together on September 24, 2026, from fares departing September 25, 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 Atlanta

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 16, 2027 to January 30, 2027, 14 days, for 2 travelers. Our dates, not yours, and about two minutes.

Plan London, Paris and Rome from Atlanta nowOpen the form instead and pick your own dates

Signed out, 3 trips 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, your first trip also searches Google Flights live, and you can change your trips afterwards.