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$196+ Cheap flights from San Francisco (SFO) to Spain

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — MAD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from San Francisco to Spain

Keep the following information in mind while searching for San Francisco to Spain flight deals. Data was last updated September 17, 2025.

Round-trip from

$375
(Flightnetwork)

One-way from

$196
(KAYAK)

Popular in

June

Cheapest in

January

Average price

$640

Good round-trip deal

$651 or less

Good one-way deal

$372 or less
From San Francisco to Spain
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One-way flight from San Francisco to Spain
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Highest demand for flights based on searches. 21% potential increase in price ($201 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 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 San Francisco to Spain.
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Price to beat on a one-way flight from San Francisco to Spain.
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Find flight deals from San Francisco to Spain

Cheapest flights from San Francisco to Spain
Explore the most affordable flight options available from San Francisco to Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/68:30 amSFO - MAD
1 stop13h 10mAir Canada
Wed 10/2212:45 pmMAD - SFO
1 stop16h 06mAir Canada
Deal found 9/15$375
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.
Mon 10/68:30 amSFO - MAD
1 stop13h 10mUnited Airlines
Wed 10/2212:45 pmMAD - SFO
1 stop16h 06mUnited Airlines
Deal found 9/16$379
This lol.travel deal was found by Cheapflights users on 9/17. 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.
Sat 10/2511:56 pmSFO - MAD
1 stop24h 09mUnited Airlines
Fri 11/71:35 pmMAD - SFO
1 stop16h 47mUnited Airlines
Deal found 9/17$381
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:00 pmSFO - MAD
2 stops29h 00mMultiple Airlines
Tue 11/117:35 pmMAD - SFO
1 stop29h 55mMultiple Airlines
Deal found 9/15$388
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Wed 12/38:25 amSFO - MAD
1 stop14h 35mUnited Airlines
Wed 12/101:35 pmMAD - SFO
2 stops34h 33mUnited Airlines
Deal found 9/17$390
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:30 amSFO - MAD
1 stop13h 10mMultiple Airlines
Tue 10/217:35 pmMAD - SFO
1 stop29h 35mMultiple Airlines
Deal found 9/15$393
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2410:59 pmSFO - MAD
2 stops24h 01mUnited Airlines
Thu 12/41:35 pmMAD - SFO
2 stops42h 30mUnited Airlines
Deal found 9/16$394
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/68:30 amSFO - MAD
1 stop13h 10mMultiple Airlines
Wed 10/2212:30 pmMAD - SFO
2 stops18h 17mMultiple Airlines
Deal found 9/15$395
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:30 amSFO - MAD
1 stop13h 10mMultiple Airlines
Wed 10/226:20 amMAD - SFO
2 stops22h 31mMultiple Airlines
Deal found 9/15$397
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/157:30 pmSFO - MAD
1 stop28h 50mMultiple Airlines
Wed 10/2212:45 pmMAD - SFO
1 stop31h 26mMultiple Airlines
Deal found 9/16$399
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/149:05 pmSFO - BIO
1 stop17h 20mLufthansa
Tue 10/216:45 amBIO - SFO
1 stop14h 55mLufthansa
Deal found 9/14$433
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:30 pmSFO - BIO
2 stops37h 20mSWISS
Tue 10/219:00 pmBIO - SFO
1 stop28h 10mSWISS
Deal found 9/16$436

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Spain 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 17, 2025.
Use the filters below to find and compare flights from San Francisco to Spain that are best for you.

Fly from

San Francisco

Fly to

Spain

Route

Depart

Return

Price

San FranciscoMadrid

SFO - MAD

SFOMAD

San Francisco

Mon 12/1

10:55 pm-8:00 am

1 stop24h 05m

Madrid Barajas

Tue 12/9

10:00 am-10:49 pm

1 stop21h 49m

$417

San FranciscoMadrid

SFO - MAD

SFOMAD

San Francisco

Mon 9/29

6:45 am-7:50 am

1 stop16h 05m

Madrid Barajas

Tue 10/7

12:40 pm-11:33 pm

2 stops19h 53m

$422

San FranciscoMadrid

SFO - MAD

SFOMAD

San Francisco

Sun 10/19

10:50 pm-7:50 am

1 stop24h 00m

Madrid Barajas

Wed 1/21

10:00 am-11:51 pm

2 stops22h 51m

$422

San FranciscoMadrid

SFO - MAD

SFOMAD

San Francisco

Mon 10/13

11:00 pm-6:40 am

2 stops22h 40m

Madrid Barajas

Wed 10/29

5:55 am-1:40 pm

1 stop15h 45m

$432

San FranciscoMadrid

SFO - MAD

SFOMAD

San Francisco

Tue 11/25

8:25 am-8:00 am

1 stop14h 35m

Madrid Barajas

Tue 12/2

6:00 am-11:05 pm

2 stops26h 05m

$438

San FranciscoValencia

SFO - VLC

SFOVLC

San Francisco

Tue 11/25

8:40 pm-11:15 am

1 stop29h 35m

Valencia

Tue 12/2

5:10 pm-3:00 pm

1 stop30h 50m

$440

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 9/23

9:01 am-10:45 am

2 stops16h 44m

Bilbao

Wed 10/8

7:15 am-7:00 pm

1 stop20h 45m

$440

San FranciscoValencia

SFO - VLC

SFOVLC

San Francisco

Sun 10/26

9:40 pm-4:10 pm

1 stop34h 30m

Valencia

Tue 11/11

5:10 pm-6:45 pm

1 stop34h 35m

$443

San FranciscoMadrid

SFO - MAD

SFOMAD

San Francisco

Thu 10/30

6:45 am-8:05 am

1 stop17h 20m

Madrid Barajas

Fri 11/7

1:35 pm-5:28 pm

2 stops36h 53m

$444

San FranciscoMadrid

SFO - MAD

SFOMAD

San Francisco

Thu 11/27

5:00 am-8:05 am

2 stops18h 05m

Madrid Barajas

Wed 12/3

1:35 pm-3:08 pm

2 stops34h 33m

$444

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 results
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6

Best time to book a flight from San Francisco to Spain

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

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

Currently, November is the cheapest month in which you can book a flight from San Francisco to Spain (average of $543). Flying from San Francisco to Spain in June is currently the most expensive (average of $1,054). 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 SFO to ES?

Find hourly flight availability from San Francisco to Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from San Francisco to Spain, 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 Spain

Get insights into the airlines that provide service to Spain. 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 Spain. Reviews last updated September 17, 2025.
Get a feel of what it's like to fly with United Airlines, TAP AIR PORTUGAL, and Iberia from San Francisco to Spain 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
8,926 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
TAP AIR PORTUGAL
7.1
Good
1,977 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Iberia
7.0
Good
2,925 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,367 reviews
United Airlines
7.4
Good
8,926 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Spain. 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 from for flights from San Francisco to Spain?

    San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to Spain. It is only a 11.8 mi journey to San Francisco (SFO) from San Francisco’s city center.

  • How popular is this San Francisco to Spain flight route?

    Within the past month, 4 users have taken a look at flights from San Francisco to Spain.

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

    For as low as $432, Delta can have you in Spain from San Francisco in 22h 40m. The distance from San Francisco to Spain is about 5794 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    One-way options have recently been found by users for as low as $223 on Iberia. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $246 and British Airways from $379 one-way.

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

    While some choose either San Francisco - Madrid Barajas or San Francisco - Arrecife Lanzarote, San Francisco - Barcelona-El Prat is the most popular route from San Francisco to Spain.

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

    The top 3 most reliable airlines when flying from San Francisco to Spain are American Airlines (81%), Qatar Airways (81%) and Alaska Airlines (81%).

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

    While on average a flight from San Francisco to Spain is generally $728, our data shows the cheapest flight currently is $483. When looking at the most popular route, (San Francisco - Barcelona-El Prat), you can expect to pay $400 for that flight.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from San Francisco to Spain (average of $543). Flying from San Francisco to Spain in June is currently the most expensive (average of $1,054). 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

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Alternative routes for San Francisco to Spain

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Top 10 airlines flying from San Francisco to Spain

Discover the top 10 airlines that operate flights from San Francisco to Spain. 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$323Average$576FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$352Average$730FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$395Average$856FlexibilityNo cancel feeOn-time62%
Virgin AtlanticCheapest$404Average$786FlexibilityNo cancel feeOn-time72%
FinnairCheapest$412Average$725FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$413Average$761FlexibilityNo cancel feeOn-time67%
Scandinavian AirlinesCheapest$413Average$664FlexibilityNo cancel feeOn-time77%
VuelingCheapest$443Average$878FlexibilityNo cancel feeOn-time88%
SWISSCheapest$447Average$864FlexibilityNo cancel feeOn-time79%
KLMCheapest$459Average$808FlexibilityNo cancel feeOn-time75%

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