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$425+ Cheap flights from Madrid, Spain (MAD) to San Francisco (SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SFO
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Madrid Barajas to San Francisco are usually found in February or March, booked 87 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Madrid to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Madrid (MAD) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$579
(lol.travel)

One-way from

$425
(Cheapflightsfares)

Popular in

July

Cheapest in

February

Average price

$839

Good round-trip deal

$947 or less

Good one-way deal

$937 or less
From Madrid Barajas to San Francisco
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One-way flight from Madrid Barajas to San Francisco
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Highest demand for flights based on searches. 18% potential increase in price ($151 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Madrid Barajas to San Francisco.
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Price to beat on a one-way flight from Madrid Barajas to San Francisco.
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Find flight deals from Madrid to San Francisco

Cheapest flights from Madrid to San Francisco
Explore the most affordable flight options available from Madrid to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This lol.travel deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2310:15 pmMAD - SFO
1 stop25h 20mTAP AIR PORTUGAL
Thu 10/94:20 pmSFO - MAD
1 stop14h 00mTAP AIR PORTUGAL
Deal found 7/29$579
This CheapOair deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/227:05 amMAD - SFO
1 stop16h 25mMultiple Airlines
Sat 9/64:30 pmSFO - MAD
1 stop20h 25mMultiple Airlines
Deal found 7/27$581
This Booking.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2812:35 pmMAD - SFO
Nonstop12h 35mFinnair
Thu 9/115:45 pmSFO - MAD
Nonstop11h 25mFinnair
Deal found 7/29$586
This lol.travel deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:00 pmMAD - SFO
1 stop15h 45mBritish Airways
Sun 12/79:38 amSFO - MAD
1 stop14h 17mBritish Airways
Deal found 7/27$587
This lol.travel deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:00 amMAD - SFO
1 stop18h 55mUnited Airlines
Wed 9/1012:43 amSFO - MAD
2 stops22h 37mUnited Airlines
Deal found 7/29$588
This eDestinos deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:35 pmMAD - SFO
Nonstop12h 35mIberia
Wed 9/176:20 pmSFO - MAD
Nonstop11h 25mIberia
Deal found 7/29$594
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2812:35 pmMAD - SFO
Nonstop12h 35mAmerican Airlines
Thu 9/115:45 pmSFO - MAD
Nonstop11h 25mAmerican Airlines
Deal found 7/29$599
This Air Canada deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:35 pmMAD - SFO
1 stop16h 47mAir Canada
Sun 1/186:00 pmSFO - MAD
2 stops29h 00mAir Canada
Deal found 7/29$605
This Scandinavian Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:35 pmMAD - SFO
1 stop30h 55mScandinavian Airlines
Wed 10/157:40 pmSFO - MAD
1 stop31h 30mScandinavian Airlines
Deal found 7/29$616

Cheapflights Fare Finder

 
Customize your flight search to find flights from Madrid to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Madrid to San Francisco that are best for you.

Fly from

Madrid

Fly to

San Francisco

Route

Depart

Return

Price

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

Tue 9/23

10:15 pm-2:35 pm

1 stop25h 20m

San Francisco

Thu 10/9

4:20 pm-3:20 pm

1 stop14h 00m

$579

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

Fri 8/22

7:05 am-2:30 pm

1 stop16h 25m

San Francisco

Sat 9/6

4:30 pm-9:55 pm

1 stop20h 25m

$581

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

Thu 8/28

12:35 pm-4:10 pm

Nonstop12h 35m

San Francisco

Thu 9/11

5:45 pm-2:10 pm

Nonstop11h 25m

$586

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

Tue 12/2

12:00 pm-6:45 pm

1 stop15h 45m

San Francisco

Sun 12/7

9:38 am-8:55 am

1 stop14h 17m

$587

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

Tue 8/26

6:00 am-3:55 pm

1 stop18h 55m

San Francisco

Wed 9/10

12:43 am-8:20 am

2 stops22h 37m

$588

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

Thu 9/11

12:35 pm-4:10 pm

Nonstop12h 35m

San Francisco

Wed 9/17

6:20 pm-2:45 pm

Nonstop11h 25m

$594

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

Thu 8/28

12:35 pm-4:10 pm

Nonstop12h 35m

San Francisco

Thu 9/11

8:00 am-7:55 am

1 stop14h 55m

$599

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

Fri 12/12

1:35 pm-9:22 pm

1 stop16h 47m

San Francisco

Sun 1/18

6:00 pm-8:00 am

2 stops29h 00m

$605

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

Sun 10/5

6:35 pm-4:30 pm

1 stop30h 55m

San Francisco

Wed 10/15

7:40 pm-12:10 pm

1 stop31h 30m

$616

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

Tue 8/19

10:15 pm-2:35 pm

1 stop25h 20m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 13 results
1
2

Best time to book a flight from Madrid to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Madrid with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Madrid to San Francisco

How far ahead should I book a flight from Madrid to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Madrid to San Francisco. Price data was last updated on July 25, 2025.

The price you pay for your flight from Madrid to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Madrid to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Madrid to San Francisco (average of $276). Flying from Madrid to San Francisco in June is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MAD to SFO?

Find hourly flight availability from Madrid to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Madrid to San Francisco in the evening. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight at noon.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated July 29, 2025.
See what other customers who have flown with Finnair, United Airlines, and Scandinavian Airlines from Madrid to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Finnair
7.6
Good
1,316 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
United Airlines
7.4
Good
8,899 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Scandinavian Airlines
7.3
Good
1,449 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.
Air Canada
7.1
Good
9,822 reviews
Finnair
7.6
Good
1,316 reviews

Comfort

7.5

Entertainment

6.9

Boarding

7.6

Food

6.7

Crew

8.1

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Related info for your journey

Find useful and relevant information for your journey from Madrid to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Madrid to San Francisco?

    If you wish to fly to San Francisco from Madrid, then you need to book flights from Madrid Barajas to San Francisco. There are 3 flights from Barajas (MAD) to San Francisco (SFO) per day to choose from. Flights to San Francisco from Barajas are available from 11 different airlines, which means you should have some options if you want to compare airfare deals. 12h 35m is how long a nonstop flight from Madrid to San Francisco typically takes.

  • What are the cheapest airlines flying from Madrid to San Francisco round-trip?

    Our cheapest airline available from Madrid to San Francisco is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as $579 on this airline. Additional options worth looking into are Finnair and British Airways, starting at $586 and $587 round-trip. TAP AIR PORTUGAL is currently priced 12% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Madrid to San Francisco one-way?

    $425 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Vueling and Aer Lingus, with prices starting from $477 and $522, respectively.

  • What are the most reliable airlines from Madrid to San Francisco?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Madrid to San Francisco on time: American Airlines (69%), Qatar Airways (69%), Alaska Airlines (69%).

  • What are the cheapest flights from Madrid to San Francisco?

    While on average a flight from Madrid to San Francisco is generally $1,142, our data shows the cheapest flight currently is $608. When looking at the most popular route, (Madrid Barajas - San Francisco), you can expect to pay $387 for that flight.

  • Can I find deals for flights from Madrid to San Francisco that include hotel bookings?

    Yes. In addition to deals on Madrid to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Madrid to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Madrid to San Francisco.

  • Can I find deals for business class flights from Madrid to San Francisco?

    Yes. Cheapflights offers flight deals from Madrid to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Madrid to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Madrid to San Francisco (average of $276). Flying from Madrid to San Francisco in June is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Mountain View
Santa Cruz
South San Francisco
Livermore
Turlock
Manteca
Antioch
Hollister
Watsonville
Sunnyvale
Newark
Milpitas
Campbell
Foster City
Capitola
Santa Clara
San Leandro
Burlingame
Redwood City

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Madrid to San Francisco

Discover the top 10 airlines that operate flights from Madrid to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$410Average$654FlexibilityNo cancel feeOn-time79%
Air FranceCheapest$411Average$920FlexibilityNo cancel feeOn-time77%
KLMCheapest$423Average$799FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$434Average$677FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$439Average$670FlexibilityNo cancel feeOn-time76%
DeltaCheapest$459Average$595FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$486Average$767FlexibilityNo cancel feeOn-time70%
IberiaCheapest$495Average$771FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$506Average$676FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$511Average$853FlexibilityNo cancel feeOn-time71%

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