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$356+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SFO
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$518
(Cheapflightsfares)

One-way from

$356
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$610

Good one-way deal

$698 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 ($149 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 September 2025
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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 septiembre 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/117:40 amMAD - SFO
1 stop15h 50mTAP AIR PORTUGAL
mié. 9/244:20 pmSFO - MAD
1 stop14h 00mTAP AIR PORTUGAL
Deal found 9/10$518
This lol.travel deal was found by Cheapflights users on 9/9. 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.
mar. 9/2312:35 pmMAD - SFO
Nonstop12h 35mIberia
jue. 10/232:10 pmSFO - MAD
1 stop14h 15mIberia
Deal found 9/9$524
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/11. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/286:00 pmMAD - SFO
1 stop29h 30mTAP AIR PORTUGAL
sáb. 11/154:35 pmSFO - MAD
1 stop18h 45mTAP AIR PORTUGAL
Deal found 9/11$525
This Booking.com deal was found by Cheapflights users on 9/10. 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.
mié. 12/247:40 amMAD - SFO
1 stop15h 50mTAP AIR PORTUGAL
lun. 1/54:35 pmSFO - MAD
1 stop15h 35mTAP AIR PORTUGAL
Deal found 9/10$527
This American Airlines deal was found by Cheapflights users on 9/11. 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.
jue. 10/21:45 pmMAD - SFO
1 stop17h 01mAmerican Airlines
mar. 10/79:35 amSFO - MAD
1 stop15h 00mAmerican Airlines
Deal found 9/11$528
This American Airlines deal was found by Cheapflights users on 9/9. 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.
mié. 10/11:45 pmMAD - SFO
1 stop17h 17mAmerican Airlines
mié. 10/87:00 amSFO - MAD
1 stop17h 05mAmerican Airlines
Deal found 9/9$529
This Booking.com deal was found by Cheapflights users on 9/9. 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.
mié. 9/245:55 pmMAD - SFO
1 stop29h 35mTAP AIR PORTUGAL
mié. 10/224:20 pmSFO - MAD
1 stop23h 00mTAP AIR PORTUGAL
Deal found 9/9$530
This Booking.com deal was found by Cheapflights users on 9/9. 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.
mar. 9/238:10 pmMAD - SFO
1 stop27h 25mTAP AIR PORTUGAL
mié. 10/154:20 pmSFO - MAD
1 stop18h 00mTAP AIR PORTUGAL
Deal found 9/9$531
This Gotogate deal was found by Cheapflights users on 9/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/248:10 pmMAD - SFO
1 stop27h 20mTAP AIR PORTUGAL
mar. 10/74:20 pmSFO - MAD
1 stop23h 00mTAP AIR PORTUGAL
Deal found 9/10$535
This Iberia deal was found by Cheapflights users on 9/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1911:35 amMAD - SFO
1 stop20h 34mIberia
lun. 9/226:00 amSFO - MAD
1 stop16h 55mIberia
Deal found 9/11$536
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/1612:40 pmMAD - SFO
1 stop20h 37mIberia
sáb. 10/258:00 amSFO - MAD
1 stop14h 55mIberia
Deal found 9/9$538

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 septiembre 11, 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

mar. 10/28

9:10 pm-3:30 pm

1 stop26h 20m

San Francisco

mié. 11/5

4:35 pm-8:20 pm

1 stop18h 45m

$525

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

mar. 10/28

6:00 pm-3:30 pm

1 stop29h 30m

San Francisco

sáb. 11/15

4:35 pm-8:20 pm

1 stop18h 45m

$525

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

mié. 10/29

7:40 am-3:30 pm

1 stop15h 50m

San Francisco

sáb. 11/15

4:35 pm-11:30 pm

1 stop21h 55m

$526

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

jue. 1/15

6:00 am-7:19 pm

2 stops22h 19m

San Francisco

vie. 1/30

12:43 am-9:15 am

3 stops23h 32m

$530

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

jue. 3/5

6:00 am-5:06 pm

2 stops20h 06m

San Francisco

lun. 3/9

8:25 am-7:00 am

1 stop14h 35m

$530

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

sáb. 3/7

6:00 am-3:55 pm

1 stop18h 55m

San Francisco

jue. 3/12

11:15 am-3:40 pm

2 stops20h 25m

$533

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

jue. 1/8

1:35 pm-11:58 am

2 stops31h 23m

San Francisco

mié. 1/14

8:25 am-8:00 am

1 stop14h 35m

$547

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

lun. 3/2

6:00 am-4:01 pm

2 stops19h 01m

San Francisco

dom. 3/15

2:55 pm-7:40 pm

1 stop20h 45m

$553

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

mié. 10/15

6:00 am-11:45 am

1 stop14h 45m

San Francisco

mar. 10/28

10:30 am-3:20 pm

2 stops20h 50m

$571

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

vie. 12/12

11:30 am-8:10 pm

1 stop17h 40m

$356

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 18 results
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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 August 29, 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 $357). 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 septiembre 11, 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 septiembre 11, 2025.
See what other customers who have flown with Delta, United Airlines, and American 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.
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Iberia
7.0
Good
2,929 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • How long is the flight from Madrid to San Francisco?

    TAP AIR PORTUGAL and United Airlines can get you from Madrid to San Francisco in just under 22h 19m. Your travel time can differ by up to 4h 01m. Airlines will cover a distance of 5794 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Madrid to San Francisco is SWISS. Our recent data shows that you can find tickets from as low as $410 on this airline. Additional options worth looking into are Air France and KLM, starting at $411 and $423 round-trip. SWISS is currently priced 38% below the average price you’ll pay for this route.

  • 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: Aer Lingus (68%), American Airlines (65%), Qatar Airways (65%).

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

    While on average a flight from Madrid to San Francisco is generally $956, our data shows the cheapest flight currently is $686. When looking at the most popular route, (Madrid Barajas - San Francisco), you can expect to pay $459 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 $357). 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
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Manteca
Santa Clara
Sunnyvale
Hollister
Vacaville
Foster City
Vallejo
Burlingame
Redwood City
Union City
San Leandro
San Mateo
Lathrop

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 septiembre 11, 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$460Average$663FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$486Average$767FlexibilityNo cancel feeOn-time70%
IberiaCheapest$495Average$778FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$506Average$671FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$511Average$840FlexibilityNo cancel feeOn-time71%

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