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The cheapest order to fly London, Paris and Rome from Los Angeles

There are 6 ways to fly these cities. They do not cost the same. The cheapest works out at about $737 a person and the most expensive at $862, a difference of $125 for visiting exactly the same places.

Fly them in this order

Los Angeles → London → Paris → Rome → Los Angeles

About $737 per person in flights, based on fares recently seen on these routes.

Every order, priced

  1. Los Angeles → London → Paris → Rome → Los Angeles$737
    cheapest order
  2. Los Angeles → Paris → London → Rome → Los Angeles$753
    $16 more per person
  3. Los Angeles → Paris → Rome → London → Los Angeles$771
    $34 more per person
  4. Los Angeles → London → Rome → Paris → Los Angeles$809
    $72 more per person
  5. Los Angeles → Rome → Paris → London → Los Angeles$822
    $85 more per person
  6. Los Angeles → Rome → London → Paris → Los Angeles$862
    $125 more per person

Why London first

  1. Los Angeles to London$290
  2. London to Paris$35
  3. Paris to Rome$37
  4. Rome to Los Angeles$375
  • Out of Los Angeles, London is the cheapest first stop at about $290. Rome would be $343.
  • Going home, Rome is the cheapest city to leave from at about $375, against $456 from Paris.
  • The dearest order pays $456 for Paris to Los Angeles, a flight the cheapest order never takes.
  • Rome to Los Angeles is 51% of what the cheapest order spends on flights, so it is the leg to watch.

Between the cities

  • London to Paris: about 340 km (210 miles) as the crow flies. Also by ground: Eurostar, about 2h 20m, usually $60 to $180. Or FlixBus / BlaBlaCar (overnight), about 8h 20m, usually $30 to $60.
  • Paris to Rome: 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 $125 a person on this trip, 17% of what the cheapest way round costs. Of the 107 trips we price in full, that is number 77 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 Los Angeles 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 Washingtonstart in Paris, about $896 a person, $143 less than the dearest order
  • From Atlantastart in London, about $911 a person, $157 less than the dearest order

What these numbers are

Cached one-way fares, 12 of 12 legs priced from real observations, put together on November 12, 2026, from fares departing November 13, 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 Los Angeles

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 Los Angeles 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.