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$340+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SFO
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
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1. Tell us where you want to go

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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 octubre 28, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$518
(Delta)

One-way from

$340
(Cheapflightsfares)

Popular in

July

Cheapest in

February

Average price

$613

Good one-way deal

$710 or less
Provider with most accurate pricing for Madrid Barajas-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Madrid Barajas-San Francisco flights.
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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. 19% potential increase in price ($158 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in October 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 octubre 28, 2025.

This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/66:00 amMAD - SFO
1 stop16h 25mDelta
mar. 1/131:00 pmSFO - MAD
2 stops19h 40mDelta
Deal found 10/27$518
This Lufthansa deal was found by Cheapflights users on 10/26. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/36:00 amMAD - SFO
1 stop15h 40mLufthansa
mié. 11/129:40 pmSFO - MAD
1 stop16h 55mLufthansa
Deal found 10/26$519
This SWISS deal was found by Cheapflights users on 10/25. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/710:10 amMAD - SFO
1 stop15h 20mSWISS
jue. 11/277:25 pmSFO - MAD
1 stop14h 20mSWISS
Deal found 10/25$520
This SWISS deal was found by Cheapflights users on 10/28. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1710:10 amMAD - SFO
1 stop15h 20mSWISS
mar. 12/307:25 pmSFO - MAD
1 stop14h 20mSWISS
Deal found 10/28$521
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/176:00 amMAD - SFO
2 stops25h 50mDelta
jue. 1/82:25 pmSFO - MAD
2 stops18h 15mDelta
Deal found 10/28$523
This KLM deal was found by Cheapflights users on 10/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/46:00 amMAD - SFO
2 stops19h 05mAir France
mié. 11/123:40 pmSFO - MAD
1 stop14h 40mAir France
Deal found 10/26$524
This Air Canada deal was found by Cheapflights users on 10/26. 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.
jue. 12/41:35 pmMAD - SFO
2 stops31h 14mAir Canada
mar. 12/96:30 amSFO - MAD
2 stops16h 30mAir Canada
Deal found 10/26$525
This British Airways deal was found by Cheapflights users on 10/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/61:15 pmMAD - SFO
1 stop17h 56mBritish Airways
mar. 11/186:00 amSFO - MAD
1 stop18h 25mBritish Airways
Deal found 10/28$526
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/711:05 amMAD - SFO
2 stops29h 45mUnited Airlines
mar. 11/185:00 amSFO - MAD
2 stops18h 00mUnited Airlines
Deal found 10/28$527
This Air Canada deal was found by Cheapflights users on 10/28. 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.
lun. 12/151:35 pmMAD - SFO
1 stop16h 47mAir Canada
lun. 12/294:15 pmSFO - MAD
2 stops54h 45mAir Canada
Deal found 10/28$528
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1712:35 pmMAD - SFO
2 stops19h 15mDelta
jue. 1/1510:35 amSFO - MAD
2 stops20h 30mDelta
Deal found 10/28$529
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/136:25 amMAD - SFO
2 stops21h 45mBrussels Airlines
vie. 11/288:35 amSFO - MAD
1 stop15h 40mBrussels Airlines
Deal found 10/27$531

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 octubre 28, 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

lun. 3/2

6:00 am-3:55 pm

1 stop18h 55m

San Francisco

vie. 3/13

10:40 pm-11:35 pm

1 stop16h 55m

$520

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

jue. 4/2

10:20 am-11:55 pm

2 stops22h 35m

San Francisco

dom. 4/12

10:30 pm-7:50 am

1 stop24h 20m

$521

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

lun. 11/24

6:00 am-10:25 pm

2 stops25h 25m

San Francisco

dom. 12/7

9:30 pm-9:15 am

1 stop26h 45m

$521

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

lun. 2/16

1:35 pm-9:22 pm

1 stop16h 47m

San Francisco

mar. 2/24

8:30 am-9:15 am

1 stop15h 45m

$522

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

jue. 3/5

6:00 am-5:09 pm

2 stops20h 09m

San Francisco

lun. 3/9

3:40 pm-3:50 pm

1 stop16h 10m

$522

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

mié. 12/17

12:35 pm-10:50 pm

2 stops19h 15m

San Francisco

jue. 1/15

6:05 am-11:30 am

2 stops20h 25m

$523

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

vie. 11/7

8:35 am-12:40 pm

1 stop37h 05m

San Francisco

mié. 11/26

8:55 pm-8:00 am

2 stops26h 05m

$527

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

mié. 12/17

11:05 am-6:34 pm

1 stop16h 29m

San Francisco

mié. 12/31

8:30 am-9:15 am

1 stop15h 45m

$527

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

vie. 11/7

11:05 am-7:20 pm

1 stop17h 15m

San Francisco

lun. 11/17

12:43 am-8:00 am

3 stops22h 17m

$527

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

vie. 11/7

8:35 am-12:40 pm

1 stop37h 05m

San Francisco

sáb. 11/15

9:00 pm-8:00 am

2 stops26h 00m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 22 results
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Compare providers for flights from Madrid to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Madrid to San Francisco in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Thrive TravelPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Madrid-San Francisco flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Madrid-San Francisco flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Madrid-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Madrid-San Francisco flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Madrid-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 24, 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, February is the cheapest month in which you can book a flight from Madrid to San Francisco (average of $405). Flying from Madrid to San Francisco in July is currently the most expensive (average of $645). 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 octubre 28, 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 28% 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 octubre 28, 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
7.9
Good
7,995 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

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
7.9
Good
7,995 reviews
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

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
8,996 reviews
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

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
11,033 reviews
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

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
3,001 reviews
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

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
7,481 reviews
Delta
7.9
Good
7,995 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.3

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.

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

    Lufthansa, Delta, and United Airlines can get you from Madrid to San Francisco in just under 16h 47m. Your travel time can differ by up to 5h 48m. 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 37% 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: Qatar Airways (68%), Alaska Airlines (68%), Aer Lingus (68%).

  • 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 $304. When looking at the most popular route, (Madrid Barajas - San Francisco), you can expect to pay $463 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, February is the cheapest month in which you can book a flight from Madrid to San Francisco (average of $405). Flying from Madrid to San Francisco in July is currently the most expensive (average of $645). 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
South San Francisco
Santa Cruz
Livermore
Turlock
Watsonville
Sunnyvale
Santa Clara
Antioch
Manteca
Vallejo
Hollister
Vacaville
San Bruno
Foster City
Redwood City
Union City
Fairfield
Burlingame
Lodi

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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$410Average$607FlexibilityNo cancel feeOn-time79%
Air FranceCheapest$411Average$791FlexibilityNo cancel feeOn-time77%
KLMCheapest$423Average$587FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$445Average$874FlexibilityNo cancel feeOn-time71%
DeltaCheapest$459Average$698FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$480Average$754FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$486Average$733FlexibilityNo cancel feeOn-time70%
IberiaCheapest$495Average$785FlexibilityNo cancel feeOn-time77%
FinnairCheapest$531Average$671FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$559Average$811FlexibilityNo cancel feeOn-time76%

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