The cheapest order to fly Paris, Barcelona and Rome from Washington
There are 6 ways to fly these cities. They do not cost the same. The cheapest works out at about $813 a person and the most expensive at $938, a difference of $125 for visiting exactly the same places.
Fly them in this order
Washington → Paris → Rome → Barcelona → Washington
About $813 per person in flights, based on fares recently seen on these routes.
Every order, priced
- Washington → Paris → Rome → Barcelona → Washington$813cheapest order
- Washington → Paris → Barcelona → Rome → Washington$848$35 more per person
- Washington → Rome → Paris → Barcelona → Washington$886$73 more per person
- Washington → Barcelona → Paris → Rome → Washington$893$80 more per person
- Washington → Barcelona → Rome → Paris → Washington$904$91 more per person
- Washington → Rome → Barcelona → Paris → Washington$938$125 more per person
Why Paris first
- Washington to Paris$307
- Paris to Rome$40
- Rome to Barcelona$26
- Barcelona to Washington$440
- Out of Washington, Paris is the cheapest first stop at about $307. Rome would be $377.
- Going home, Barcelona is the cheapest city to leave from at about $440, against $507 from Paris.
- The dearest order pays $507 for Paris to Washington, a flight the cheapest order never takes.
- Barcelona to Washington is 54% of what the cheapest order spends on flights, so it is the leg to watch.
Between the cities
- Paris to Rome: about 1,110 km (690 miles) as the crow flies. No train or bus we would suggest instead of flying.
- Rome to Barcelona: about 860 km (530 miles) as the crow flies. Also by ground: Civitavecchia to Barcelona (Grimaldi Lines), about 22h overnight, usually $70 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
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, 15% of what the cheapest way round costs. Of the 72 trips we price in full, that is number 56 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 Washington it starts in Paris.
- From New Yorkstart in Paris, about $468 a person, $195 less than the dearest order
- From Torontostart in Rome, about $680 a person, $134 less than the dearest order
- From Chicagostart in Rome, about $753 a person, $582 less than the dearest order
- From Los Angelesstart in Paris, about $841 a person, $130 less than the dearest order
- From Atlantastart in Rome, about $1,021 a person, $74 less than the dearest order
What these numbers are
Cached one-way fares, 12 of 12 legs priced from real observations, put together on October 29, 2026, from fares departing October 31, 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.
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 Paris, Barcelona and Rome from Washington nowOpen the form instead and pick your own datesSigned 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.