$335 Find Cheap Flights from Spain to San Francisco - Compare and Save

In the last 5 days, the cheapest flight deal to San Francisco was found on the route from Valencia, at $351 return. The most popular connection is from Barcelona to San Francisco and KAYAK users have found round-trip deals for as low as $595 in the last 5 days.

Based on KAYAK data, the cheapest day to fly to San Francisco is Thursday where round-trip tickets can be as cheap as $951. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $1,285 on average.

The cheapest month for flights to San Francisco is February, where tickets cost $583 on average for return flights. On the other hand, the most expensive months are July and June, where the average cost of tickets from Spain is $925 and $919 respectively. For one-way flights, the best month to travel is February with an average price of $468.

The cheapest time of day to fly to San Francisco is generally in the morning, when round-trip flights cost $1,056 on average. The most expensive time of day to fly to San Francisco is generally in the morning, which is peak travel time and where the average cost of a ticket is $1,056.

If you’re looking for cheap airfare to San Francisco, 25% of our users found tickets to San Francisco for the following prices or less: From Barcelona-El Prat Airport $686 round-trip.

To get a below average price, you should book around 3 weeks before departure, which saves you about 34% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

The most popular airline among KAYAK users flying to San Francisco is Lufthansa, followed by United Airlines and TAP AIR PORTUGAL.

Of the 2 airlines that fly to San Francisco, United Airlines offers the most flights, with around 4 per week, followed by Iberia with 3 flights per week.

The duration of your flight to San Francisco depends on your departure and arrival airports. Obviously, any flights that include a layover will also be longer. The most popular routes to San Francisco on KAYAK are from Barcelona, which takes 12h 15m, Madrid, which takes 12h 35m, Alicante, which takes 16h 05m, and Palma de Mallorca, which takes 17h 35m.

There are around 1,727 direct flights from within Spain to San Francisco every day. Most flights depart in the morning, with 44% of flights departing in the morning.

There are not any medium-haul (3-6 hour flight duration) or short-haul (up to 3 hour flight duration) flights to San Francisco. Instead, there are 30 long-haul flights (6-12 hour flight duration), with the most arriving from Madrid.

From Spain, there are direct flights to San Francisco from 2 cities. The city with the most direct flights is Madrid, with 18 direct flights each week.