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$302+ Cheap flights from Spain 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SFO
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Spain to San Francisco

Keep the following information in mind while searching for Spain to San Francisco flight deals. Data was last updated September 16, 2025.

Round-trip from

$408
(American Airlines)

One-way from

$302
(lol.travel)

Popular in

July

Cheapest in

February

Average price

$602

Good round-trip deal

$575 or less

Good one-way deal

$571 or less
From Spain to San Francisco
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One-way flight from Spain to San Francisco
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Highest demand for flights based on searches. 20% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 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 round-trip flight from Spain to San Francisco.
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Price to beat on a one-way flight from Spain to San Francisco.
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Find flight deals from Spain to San Francisco

Cheapest flights from Spain to San Francisco
Explore the most affordable flight options available from Spain to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Iberia deal was found by Cheapflights users on 9/14. 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.
Tue 9/235:45 pmAGP - SFO
1 stop32h 00mIberia
Tue 10/78:10 pmSFO - AGP
1 stop18h 25mIberia
Deal found 9/14$471
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/69:10 amALC - SFO
2 stops20h 24mAmerican Airlines
Mon 11/107:20 amSFO - ALC
2 stops20h 50mAmerican Airlines
Deal found 9/14$477
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 12/154:55 pmVLC - SFO
1 stop31h 05mAmerican Airlines
Sat 2/285:30 pmSFO - VLC
1 stop17h 05mAmerican Airlines
Deal found 9/14$478
This Iberia deal was found by Cheapflights users on 9/15. 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.
Mon 12/156:05 amVLC - SFO
2 stops23h 52mIberia
Sat 2/285:30 pmSFO - VLC
1 stop17h 05mIberia
Deal found 9/15$482
This Finnair deal was found by Cheapflights users on 9/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:45 amBIO - SFO
2 stops23h 11mMultiple Airlines
Sat 11/1510:16 amSFO - BIO
2 stops17h 34mMultiple Airlines
Deal found 9/16$485
This Ticket deal was found by Cheapflights users on 9/15. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:30 amSVQ - SFO
1 stop18h 35mTAP AIR PORTUGAL
Fri 11/147:10 pmSFO - SVQ
1 stop19h 35mTAP AIR PORTUGAL
Deal found 9/15$485
This lol.travel deal was found by Cheapflights users on 9/15. 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.
Thu 12/256:15 pmVLC - SFO
1 stop30h 50mTAP AIR PORTUGAL
Mon 1/54:35 pmSFO - VLC
1 stop15h 55mTAP AIR PORTUGAL
Deal found 9/15$485
This Iberia deal was found by Cheapflights users on 9/15. 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.
Tue 10/77:25 amVLC - SFO
2 stops22h 02mIberia
Tue 10/212:17 pmSFO - VLC
2 stops17h 43mIberia
Deal found 9/15$488
This lol.travel deal was found by Cheapflights users on 9/15. 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.
Mon 10/206:25 pmVLC - SFO
1 stop28h 10mTAP AIR PORTUGAL
Mon 11/34:35 pmSFO - VLC
1 stop15h 55mTAP AIR PORTUGAL
Deal found 9/15$489
This lol.travel deal was found by Cheapflights users on 9/16. 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.
Fri 10/316:00 amAGP - SFO
1 stop19h 05mTAP AIR PORTUGAL
Fri 11/147:10 pmSFO - AGP
1 stop19h 05mTAP AIR PORTUGAL
Deal found 9/16$489
This Finnair deal was found by Cheapflights users on 9/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:45 amBIO - SFO
2 stops23h 06mMultiple Airlines
Mon 10/202:01 pmSFO - BIO
2 stops24h 14mMultiple Airlines
Deal found 9/15$491
This Finnair deal was found by Cheapflights users on 9/16. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:45 amBIO - SFO
2 stops23h 11mMultiple Airlines
Fri 11/1411:59 pmSFO - BIO
2 stops38h 16mMultiple Airlines
Deal found 9/16$493

Cheapflights Fare Finder

 
Customize your flight search to find flights from Spain 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 September 16, 2025.
Use the filters below to find and compare flights from Spain to San Francisco that are best for you.

Fly from

Spain

Fly to

San Francisco

Route

Depart

Return

Price

ValenciaSan Francisco

VLC - SFO

VLCSFO

Valencia

Mon 2/16

7:30 am-8:52 pm

2 stops22h 22m

San Francisco

Wed 2/25

10:31 am-12:05 am

2 stops28h 34m

$415

AlicanteSan Francisco

ALC - SFO

ALCSFO

Alicante

Mon 2/16

9:30 pm-9:04 am

2 stops20h 34m

San Francisco

Wed 2/25

11:29 am-8:35 am

2 stops36h 06m

$418

ValenciaSan Francisco

VLC - SFO

VLCSFO

Valencia

Fri 2/20

7:30 am-6:37 pm

2 stops20h 07m

San Francisco

Wed 2/25

10:31 am-12:05 am

2 stops28h 34m

$429

ValenciaSan Francisco

VLC - SFO

VLCSFO

Valencia

Thu 3/5

9:40 am-10:40 pm

2 stops22h 00m

San Francisco

Mon 3/9

8:13 am-5:05 pm

2 stops24h 52m

$444

AlicanteSan Francisco

ALC - SFO

ALCSFO

Alicante

Thu 3/5

1:40 pm-12:22 am

2 stops19h 42m

San Francisco

Mon 3/9

5:00 am-8:35 am

2 stops43h 35m

$454

ValenciaSan Francisco

VLC - SFO

VLCSFO

Valencia

Thu 1/8

7:30 am-6:31 pm

2 stops20h 01m

San Francisco

Sat 1/24

10:19 am-10:00 pm

2 stops26h 41m

$470

ValenciaSan Francisco

VLC - SFO

VLCSFO

Valencia

Thu 1/8

7:30 am-6:31 pm

2 stops20h 01m

San Francisco

Sat 1/24

10:19 am-12:05 am

2 stops28h 46m

$471

MálagaSan Francisco

AGP - SFO

AGPSFO

Malaga

Thu 3/5

1:20 pm-12:22 am

2 stops20h 02m

San Francisco

Mon 3/9

10:24 am-4:50 pm

2 stops22h 26m

$473

ValenciaSan Francisco

VLC - SFO

VLCSFO

Valencia

Fri 3/6

9:40 am-9:02 pm

2 stops20h 22m

San Francisco

Sat 3/14

9:40 pm-3:50 pm

1 stop34h 10m

$478

SevilleSan Francisco

SVQ - SFO

SVQSFO

Sevilla

Fri 10/31

6:30 am-5:05 pm

1 stop18h 35m

San Francisco

Fri 11/14

7:10 pm-11:45 pm

1 stop19h 35m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 results
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Best time to book a flight from Spain to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Spain 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 Spain to San Francisco

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

Currently, January is the cheapest month in which you can book a flight from Spain to San Francisco (average of $276). Flying from Spain 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 ES to SFO?

Find hourly flight availability from Spain 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 September 16, 2025.

When flying from Spain to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 16, 2025.
Get a feel of what it's like to fly with United Airlines, TAP AIR PORTUGAL, and Iberia from Spain to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
TAP AIR PORTUGAL
7.1
Good
1,975 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Iberia
7.0
Good
2,924 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Lufthansa
6.8
Okay
7,407 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
7,363 reviews
United Airlines
7.4
Good
8,924 reviews

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Spain 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 airport do you fly into for flights to San Francisco from Spain?

    If you book a flight to San Francisco from Spain, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.

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

    Iberia, Finnair, and TAP AIR PORTUGAL can get you from Spain to San Francisco in just under 18h 35m. Your travel time can differ by up to 1h 59m. The distance between Spain and San Francisco is about 5856 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $302. Users have also found prices from $353 and $366 on Finnair and British Airways, respectively.

  • What are the most popular routes from Spain to San Francisco?

    Most travelers choose Barcelona-El Prat - San Francisco, Madrid Barajas - San Francisco or Malaga - San Francisco when deciding on the best route from Spain to San Francisco.

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

    Consider American Airlines (77%), Qatar Airways (77%) or Alaska Airlines (77%) when booking your flight. These represent the most reliable airlines when flying from Spain to San Francisco.

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

    On average you can expect to pay $956 for a flight from Spain to San Francisco. The cheapest flight overall is $686 while the most popular route, (Barcelona-El Prat - San Francisco) is currently priced at $488.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Spain 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 Spain to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Spain to San Francisco (average of $276). Flying from Spain 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
Santa Clara
Manteca
Sunnyvale
Hollister
Vacaville
Foster City
Union City
Vallejo
Burlingame
Redwood City
San Mateo
San Leandro
Lathrop

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Spain to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Spain to San Francisco

Discover the top 10 airlines that operate flights from Spain 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
VuelingCheapest$294Average$765FlexibilityNo cancel feeOn-time88%
SWISSCheapest$356Average$582FlexibilityNo cancel feeOn-time79%
TAP AIR PORTUGALCheapest$365Average$682FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$381Average$562FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$386Average$715FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$391Average$394FlexibilityNo cancel feeOn-time77%
KLMCheapest$397Average$799FlexibilityNo cancel feeOn-time75%
DeltaCheapest$401Average$625FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$403Average$707FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$425Average$728FlexibilityNo cancel feeOn-time76%

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