Cheap Flights from Madrid to San Francisco International

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Find the cheapest month or even day of the year to fly to San Francisco International

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Flight deals from Madrid to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Madrid to San Francisco International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Madrid to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Madrid to San Francisco International flights are currently cheapest in August.

Direct flights from Madrid to San Francisco International

Madrid to San Francisco International: Alternative routes

Compare routes from Madrid to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Madrid to San Francisco: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 1,100
Cheapest month to flyAugust
Average flight time12 hrs, 35 mins
Most popular airlineAmerican Airlines
Average flights per week24

Finding cheap flights from Madrid to San Francisco International: Frequently asked questions

The best price we found for a return flight from Madrid to San Francisco International is ر.ق.‏ 1,439. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
12 hours and 35 minutes is the average flight time from Madrid to San Francisco International.
American Airlines, Aer Lingus and Alaska Airlines fly direct from Madrid to San Francisco International.
As of August 2025, there are 24 flights per week flying from Madrid to San Francisco International.
The cheapest month to fly from Madrid to San Francisco International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Madrid Airport to San Francisco International Airport on Wednesday, 22 October 2025.
Yes – the average flight time is 12 hours and 35 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Condor and Finnair offer the cheapest flight tickets to San Francisco International.

Flying from Adolfo Suarez Madrid-Barajas Airport (MAD) to San Francisco International Airport (SFO): what you need to know

  • The average length of a direct flight from Adolfo Suarez Madrid-Barajas Airport to San Francisco International Airport is 12 hours 20 minutes.

  • San Francisco's timezone is UTC-7, which makes San Francisco eight hours behind Madrid.

  • Flights from MAD to SFO start from 12:35 — the earliest with Iberia. The last departure is at 13:00 with Iberia. In total, you can choose from seven weekly Adolfo Suarez Madrid-Barajas Airport to San Francisco International Airport flights.

  • Leave enough time to catch your MAD to SFO flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • You can expect bigger queues in popular months like July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a smart move.

  • Jetting into San Francisco (and then seeing more of United States!) is a cinch with Iberia. This popular airline offers direct flights from Adolfo Suarez Madrid-Barajas Airport to San Francisco International Airport.

  • Most travellers choose to fly with Iberia on this route.

  • If you want to include a stop along the way, just uncheck 'Direct flights only' when searching for your ticket from Adolfo Suarez Madrid-Barajas Airport to San Francisco International Airport. Here are the most popular stopovers between MAD and SFO:

    • Barcelona-El Prat Airport

    • London Heathrow Airport

    • Charles de Gaulle Airport

How to find the cheapest flights from Adolfo Suarez Madrid-Barajas Airport (MAD) to San Francisco International Airport (SFO)

  • ر.ق.‏ 1,100 is the lowest price for a one-way Adolfo Suarez Madrid-Barajas Airport to San Francisco International Airport flight. A return flight starts at ر.ق.‏ 1,439. These prices may change depending on demand.

  • To get cheap tickets from MAD to SFO, reserve your trip ten months before your departure date.

  • Organise your trip for September. That's the cheapest month for flights from Adolfo Suarez Madrid-Barajas Airport to San Francisco International Airport. If you're flexible with your travel dates, try out the 'Whole month' tool to find the lowest airfare across every month.

  • Save time searching for cheap flights from MAD to SFO by setting up a Price Alert. You'll receive an email or notification through the app when a new low fare is offered.

  • Discover the ideal flight for you with the help of the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Adolfo Suarez Madrid-Barajas Airport to San Francisco International Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and number of stops.

Handy information about Adolfo Suarez Madrid-Barajas Airport (MAD)

  • Of the flights that depart from Adolfo Suarez Madrid-Barajas Airport, 78.23% arrive as scheduled at their destination.

  • To get to Adolfo Suarez Madrid-Barajas Airport from central Madrid, it takes about 25 minutes if you're going by car. Of course, this depends on traffic. It's approximately 18 kilometres from the airport to the city centre.

  • The trip on public transport takes about 35 minutes.

  • Need a handy hotel close to MAD? If you've booked an early flight from Adolfo Suarez Madrid-Barajas Airport to San Francisco International Airport, these accommodation options will have you sleeping moments from your departure lounge:

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • San Francisco International Airport to central San Francisco has a drive time of about 20 minutes. It's approximately 21 kilometres away.

  • If you're using public transport, expect a journey of roughly 45 minutes.

When to fly to San Francisco International Airport (SFO)

  • The quietest month for a flight from Adolfo Suarez Madrid-Barajas Airport to San Francisco International Airport is February, while August is the busiest. Choose the best time to visit San Francisco based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in San Francisco is September, with the temperature ranging between 12ºC and 22ºC. Book your flights from Adolfo Suarez Madrid-Barajas Airport to San Francisco International Airport in this month if this is the type of weather you enjoy.

  • Look for cheap tickets from MAD to SFO in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 6ºC and 16ºC on average.

Explore more of United States

  • You've visited San Francisco, now it's time to explore other parts of United States. Journey about 64 kilometres south-east to San Jose to tick off its leading attractions. From Winchester Mystery House to Rosicrucian Egyptian Museum and San Jose Museum of Art, you'll have a full itinerary ahead.

  • If you're ready to explore another well-known destination in United States, head for Fresno, about 257 kilometres south-east of San Francisco. Forestiere Underground Gardens, Fresno Chaffee Zoo and Shinzen Japanese Garden are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.