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Santander

$565+ Cheap flights from San Francisco (SFO) to Santander (SDR)

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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SDR
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from San Francisco to Santander

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Santander (SDR). 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 October 29, 2025.

Round-trip from

$1,458
(Iberia)

One-way from

$565
(Cheapflightsfares)
From San Francisco to Santander
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One-way flight from San Francisco to Santander
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Find flight deals from San Francisco to Santander

Cheapest flights from San Francisco to Santander
Explore the most affordable flight options available from San Francisco to Santander. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:00 amSFO - SDR
2 stops26h 10mIberia
Sun 11/239:25 amSDR - SFO
2 stops21h 34mIberia
Deal found 10/27$1,458
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:08 amSFO - SDR
2 stops16h 12mIberia
Thu 11/69:00 amSDR - SFO
2 stops20h 45mIberia
Deal found 10/29$1,766
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:20 amSFO - SDR
2 stops17h 30mMultiple Airlines
Thu 11/279:00 amSDR - SFO
2 stops18h 45mMultiple Airlines
Deal found 10/29$2,287
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/227:00 amSFO - SDR
2 stops16h 50mIberia
Sat 11/299:25 amSDR - SFO
2 stops20h 35mIberia
Deal found 10/27$3,971
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:00 amSFO - SDR
2 stops16h 20mIberia
Mon 12/159:00 amSDR - SFO
2 stops20h 39mIberia
Deal found 10/27$6,733

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Santander 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 October 29, 2025.
Use the filters below to find and compare flights from San Francisco to Santander that are best for you.

Fly from

San Francisco

Fly to

Santander

Route

Depart

Return

Price

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Wed 11/19

6:00 am-5:10 pm

2 stops26h 10m

Santander

Sun 11/23

9:25 am-9:59 pm

2 stops21h 34m

$1,458

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Fri 11/21

6:20 am-8:50 am

2 stops17h 30m

Santander

Thu 11/27

9:00 am-6:45 pm

2 stops18h 45m

$2,287

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Sat 11/22

7:00 am-8:50 am

2 stops16h 50m

Santander

Sat 11/29

9:25 am-9:00 pm

2 stops20h 35m

$3,971

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Sun 11/30

7:00 am-8:20 am

2 stops16h 20m

Santander

Mon 12/15

9:00 am-8:39 pm

2 stops20h 39m

$6,733

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Tue 3/17

7:26 am-8:20 am

2 stops16h 54m

$565

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Sun 11/9

7:00 am-8:20 am

2 stops16h 20m

$708

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Thu 12/11

8:00 am-9:00 pm

2 stops28h 00m

$778

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Best time to book a flight from San Francisco to Santander

Have a flexible travel schedule? Discover the best time to fly to Santander 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 Santander

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

Currently, March is the cheapest month in which you can book a flight from San Francisco to Santander (average of $395). Flying from San Francisco to Santander in June is currently the most expensive (average of $901). 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 SDR?

Find hourly flight availability from San Francisco to Santander. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Santander in the morning. If you’re flexible enough to do this you can expect to save up to 56% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Santander

Get insights into the airlines that provide service to Santander. 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 Santander. Reviews last updated October 29, 2025.
Read reviews from past customers who have flown Iberia from San Francisco to Santander. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Iberia
7.0
Good
3,001 reviews

Food

6.3

Boarding

7.1

Comfort

6.7

Entertainment

6.6

Overall

7.0

Crew

7.7

Reviews

1 / 20
6.0
Good

David,May 2025

JFK - MAD

Unfortunately carry on bag over head was full. I was seated 27J and had to place my carry on by seat 8 .. other then that it was a good flight
Iberia
7.0
Good
3,001 reviews
Iberia
7.0
Good
3,001 reviews

Food

6.3

Boarding

7.1

Comfort

6.7

Entertainment

6.6

Overall

7.0

Crew

7.7

Reviews

1 / 20
6.0
Good

David,May 2025

JFK - MAD

Unfortunately carry on bag over head was full. I was seated 27J and had to place my carry on by seat 8 .. other then that it was a good flight

Related info for your journey

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

    Departing from San Francisco to Santander will take you 26h 10m. There are 5640 mi between San Francisco and Santander.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from San Francisco to Santander (average of $395). Flying from San Francisco to Santander in June is currently the most expensive (average of $901). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from San Francisco to Santander

Discover the top airline that operate flights from San Francisco to Santander. 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$861Average$1,304FlexibilityNo cancel feeOn-time77%

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