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$339+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SFO
feb. 26 — mar. 51
jue. 2/26
jue. 3/5
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 41 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap 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 enero 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/137:40 am
MAD
-
SFO
1 stop17h 25m
TAP AIR PORTUGAL
vie. 3/208:10 pm
SFO
-
MAD
1 stop16h 10m
TAP AIR PORTUGAL
Deal found 1/27$517
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/27:40 am
MAD
-
SFO
1 stop15h 55m
TAP AIR PORTUGAL
lun. 2/164:35 pm
SFO
-
MAD
1 stop33h 45m
TAP AIR PORTUGAL
Deal found 1/27$518
This lol.travel deal was found by Cheapflights users on 1/25. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/151:35 pm
MAD
-
SFO
1 stop18h 34m
Finnair
jue. 9/245:55 pm
SFO
-
MAD
Nonstop11h 15m
Finnair
Deal found 1/25$519
This Rumbo deal was found by Cheapflights users on 1/25. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/27:40 am
MAD
-
SFO
1 stop17h 55m
TAP AIR PORTUGAL
sáb. 4/117:35 pm
SFO
-
MAD
1 stop14h 35m
TAP AIR PORTUGAL
Deal found 1/25$520
This Expedia deal was found by Cheapflights users on 1/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/1512:45 pm
MAD
-
SFO
Nonstop12h 35m
British Airways
jue. 9/244:35 pm
SFO
-
MAD
1 stop14h 15m
British Airways
Deal found 1/25$521
This Iberia deal was found by Cheapflights users on 1/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/212:40 pm
MAD
-
SFO
1 stop18h 27m
Iberia
mar. 3/317:40 pm
SFO
-
MAD
1 stop15h 00m
Iberia
Deal found 1/26$523
This Rumbo deal was found by Cheapflights users on 1/26. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/1412:40 pm
MAD
-
SFO
1 stop18h 31m
Iberia
mar. 5/125:45 pm
SFO
-
MAD
Nonstop11h 25m
Iberia
Deal found 1/26$524
This American Airlines deal was found by Cheapflights users on 1/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/24:25 pm
MAD
-
SFO
1 stop17h 27m
American Airlines
dom. 3/157:00 am
SFO
-
MAD
1 stop14h 45m
American Airlines
Deal found 1/25$526
This British Airways deal was found by Cheapflights users on 1/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/73:25 pm
MAD
-
SFO
1 stop16h 57m
British Airways
mié. 5/134:35 pm
SFO
-
MAD
1 stop14h 15m
British Airways
Deal found 1/26$527
This Flighttix deal was found by Cheapflights users on 1/27. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/126:00 am
MAD
-
SFO
1 stop18h 55m
Lufthansa
jue. 2/267:00 am
SFO
-
MAD
1 stop17h 15m
Lufthansa
Deal found 1/27$529

Find 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 enero 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$520
(Rumbo)

One-way from

$339
(SmartFares)

Popular in

July

Cheapest in

February

Average price

$601

Good one-way deal

$424 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.
Search Deals
From Madrid Barajas to San Francisco
Search Deals
One-way flight from Madrid Barajas to San Francisco
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($159 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a one-way flight from Madrid Barajas to San Francisco.
Search Deals

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 enero 27, 2026.
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

jue. 5/7

3:25 pm-11:22 pm

1 stop16h 57m

San Francisco

mié. 5/13

4:35 pm-3:50 pm

1 stop14h 15m

$527

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

lun. 2/23

8:25 am-3:55 pm

1 stop16h 30m

San Francisco

lun. 3/2

7:25 am-9:15 am

2 stops16h 50m

$531

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

jue. 4/23

6:05 am-3:25 pm

1 stop18h 20m

San Francisco

dom. 4/26

10:38 pm-8:05 am

1 stop24h 27m

$532

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

mar. 2/10

6:00 am-3:55 pm

1 stop18h 55m

San Francisco

mié. 2/25

6:45 am-9:15 am

2 stops17h 30m

$533

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

mar. 3/3

6:00 am-9:22 pm

2 stops24h 22m

San Francisco

mar. 3/10

6:30 am-9:15 am

2 stops18h 45m

$536

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

lun. 3/2

6:00 am-3:55 pm

1 stop18h 55m

San Francisco

dom. 3/15

7:50 pm-9:10 pm

1 stop17h 20m

$537

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

jue. 2/12

6:00 am-11:50 am

1 stop14h 50m

San Francisco

jue. 2/26

6:05 am-11:30 am

2 stops20h 25m

$538

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

mié. 2/25

5:55 am-7:41 pm

2 stops22h 46m

San Francisco

dom. 3/1

6:00 am-9:15 am

2 stops18h 15m

$538

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

jue. 4/9

6:00 am-11:45 am

1 stop14h 45m

San Francisco

jue. 4/16

7:25 am-9:55 am

1 stop17h 30m

$541

MadridSan Francisco

MAD - SFO

MADSFO

Madrid Barajas

mié. 3/11

5:55 am-9:22 pm

2 stops23h 27m

San Francisco

mié. 3/18

8:25 am-11:45 am

2 stops19h 20m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 20 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Madrid-San Francisco flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 January 23, 2026.

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 41 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 $411). Flying from Madrid to San Francisco in July is currently the most expensive (average of $637). 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.

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 enero 27, 2026.
See what other customers who have flown with Delta, United Airlines, and Iberia 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
8,121 reviews

Food

7.2

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

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
8,121 reviews
Delta
7.9
Good
8,121 reviews

Food

7.2

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

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
9,207 reviews
Delta
7.9
Good
8,121 reviews

Food

7.2

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

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
3,099 reviews
Delta
7.9
Good
8,121 reviews

Food

7.2

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

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
Lufthansa
6.8
Okay
7,749 reviews
Delta
7.9
Good
8,121 reviews

Food

7.2

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

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
7,702 reviews
Delta
7.9
Good
8,121 reviews

Food

7.2

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

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?

    British Airways and United Airlines can get you from Madrid to San Francisco in just under 16h 30m. Your travel time can differ by up to 27m. 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 KLM. Our recent data shows that you can find tickets from as low as $405 on this airline. Additional options worth looking into are SWISS and American Airlines, starting at $410 and $445 round-trip. KLM is currently priced 38% below the average price you’ll pay for this route.

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

    $318 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 JetBlue and Vueling, with prices starting from $362 and $387, respectively.

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

    While on average a flight from Madrid to San Francisco is generally $627, our data shows the cheapest flight currently is $391. 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 $411). Flying from Madrid to San Francisco in July is currently the most expensive (average of $637). 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
South San Francisco
Santa Cruz
Roseville
Santa Clara
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
Vacaville
San Carlos
San Ramon
Manteca
Vallejo
San Lorenzo
Davis
Hollister
Redwood City
Union City

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 enero 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$405Average$665FlexibilityNo cancel feeOn-time75%
SWISSCheapest$410Average$520FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$445Average$779FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$480Average$766FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$486Average$707FlexibilityNo cancel feeOn-time70%
DeltaCheapest$516Average$786FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$524Average$889FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$528Average$682FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$549Average$887FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$634Average$791FlexibilityNo cancel feeOn-time77%

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