Stopovers between Seattle and Barcelona
Seattle to Barcelona is about 8,730 km. 12 cities sit close enough to the route to add a night or two, and Reykjavík, Madrid, Zurich have airline stopover programs. Pick your dates to see what each one really costs.
Cities on the way
Sits almost exactly on the great circle between North America and Europe, so the detour is tiny.
Iberia lets you stop 1–9 nights at no extra airfare.
US preclearance on the way home means you land in the US as a domestic arrival.
Heathrow Express gets you to Paddington in 15 minutes.
RER B from CDG reaches central Paris in about 35 minutes.
Train from the airport to the old town in 12 minutes, so even a single night works.
Riverside wine town with a direct metro from the airport.
Compact lakeside city with free public transport for hotel guests.
One of the easiest stopover cities in Europe: metro from the airport, walkable, great food.
Train from Schiphol to Centraal in 15 minutes, every few minutes.
S-Bahn reaches the centre in 15 minutes; the Rhine valley is close.
Short train in; Bruges and Ghent are an easy day trip.