The cheapest order to fly Lisbon, Madrid and Barcelona from Washington

There are 6 ways to fly these cities. They do not cost the same. The cheapest works out at about $728 a person and the most expensive at $1,022, a difference of $294 for visiting exactly the same places.

Fly them in this order

Washington → Madrid → Lisbon → Barcelona → Washington

About $728 per person in flights, based on fares recently seen on these routes.

Every order, priced

  1. Washington → Madrid → Lisbon → Barcelona → Washington$728
    cheapest order
  2. Washington → Lisbon → Madrid → Barcelona → Washington$892
    $164 more per person
  3. Washington → Madrid → Barcelona → Lisbon → Washington$894
    $166 more per person
  4. Washington → Barcelona → Lisbon → Madrid → Washington$974
    $246 more per person
  5. Washington → Lisbon → Barcelona → Madrid → Washington$1,018
    $290 more per person
  6. Washington → Barcelona → Madrid → Lisbon → Washington$1,022
    $294 more per person

Why Madrid first

  1. Washington to Madrid$302
  2. Madrid to Lisbon$25
  3. Lisbon to Barcelona$27
  4. Barcelona to Washington$374
  • Out of Washington, Madrid is the cheapest first stop at about $302. Lisbon would be $457.
  • Going home, Barcelona is the cheapest city to leave from at about $374, against $532 from Lisbon.
  • The dearest order pays $532 for Lisbon to Washington, a flight the cheapest order never takes.
  • Barcelona to Washington is 51% of what the cheapest order spends on flights, so it is the leg to watch.

Between the cities

  • Madrid to Lisbon: about 500 km (310 miles) as the crow flies. Also by ground: ALSA / FlixBus (overnight), about 8h, usually $25 to $50.
  • Lisbon to Barcelona: about 1,010 km (630 miles) as the crow flies. No train or bus we would suggest instead of flying.
  • 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 $294 a person on this trip, 40% of what the cheapest way round costs. Of the 107 trips we price in full, that is number 20 for how much the order matters, one of the trips where it matters most: flying these cities in the wrong order is an expensive mistake.

The same cities from other airports

The cheapest order depends on where you start. From Washington it starts in Madrid.

  • From New Yorkstart in Madrid, about $508 a person, $225 less than the dearest order
  • From Torontostart in Madrid, about $698 a person, $182 less than the dearest order
  • From Los Angelesstart in Madrid, about $934 a person, $110 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 15, 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 16, 2027 to January 30, 2027, 14 days, for 2 travelers. Our dates, not yours, and about two minutes.

Plan Lisbon, Madrid and Barcelona from Washington 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.