Stopovers between San Francisco and Barcelona
San Francisco to Barcelona is about 9,586 km. 12 cities sit close enough to the route to add a night or two, and Reykjavík, Madrid, Lisbon 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.
One of the easiest stopover cities in Europe: metro from the airport, walkable, great food.
Heathrow Express gets you to Paddington in 15 minutes.
Riverside wine town with a direct metro from the airport.
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.
A train into the city; the Rockies are a short drive.
Canada Line train to downtown; mountains and ocean together.
Compact lakeside city with free public transport for hotel guests.
Train from Schiphol to Centraal in 15 minutes, every few minutes.