How to find the cheapest flight from
San Francisco (SFO) to Barcelona (BCN)
What is the cheapest day to fly round-trip from San Francisco to Barcelona?
Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 40% on your flight compared to booking on days when demand is much higher.
When is the cheapest time to fly from San Francisco to Barcelona (SFO - S37)?
When flying from San Francisco to Barcelona, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 13% versus a flight in the afternoon.
One-way flights to Barcelona from San Francisco
The cheapest one-way flights from San Francisco to Barcelona
4:41 am - 12:00 pm
2:30 pm - 3:50 pm
2:55 pm - 11:30 am
Related info for your journey
Useful info, stats and facts about San Francisco to Barcelona flights.
Destination information for Barcelona
Things to know before you go. Useful info for your trip from San Francisco to Barcelona