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Santander

$921+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SDR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$1,041
(Iberia)

One-way from

$921
(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 September 11, 2025.

This Iberia deal was found by Cheapflights users on 9/9. 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 11/195:30 pmSFO - SDR
2 stops29h 50mIberia
Sun 11/235:40 pmSDR - SFO
2 stops36h 16mIberia
Deal found 9/9$1,041
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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.
Tue 10/212:17 pmSFO - SDR
2 stops17h 48mIberia
Mon 11/39:00 amSDR - SFO
2 stops20h 40mIberia
Deal found 9/10$1,436
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 12/126:35 amSFO - SDR
2 stops17h 15mMultiple Airlines
Fri 1/99:00 amSDR - SFO
2 stops20h 50mMultiple Airlines
Deal found 9/11$1,561
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/176:18 amSFO - SDR
2 stops17h 27mMultiple Airlines
Sun 10/269:25 amSDR - SFO
2 stops18h 15mMultiple Airlines
Deal found 9/10$2,747
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 10/46:18 amSFO - SDR
2 stops17h 27mMultiple Airlines
Sun 10/191:25 pmSDR - SFO
2 stops18h 58mMultiple Airlines
Deal found 9/11$4,502

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 September 11, 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

5:30 pm-8:20 am

2 stops29h 50m

Santander

Sun 11/23

5:40 pm-8:56 pm

2 stops36h 16m

$1,041

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Tue 10/21

2:17 pm-5:05 pm

2 stops17h 48m

Santander

Mon 11/3

9:00 am-8:40 pm

2 stops20h 40m

$1,436

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Fri 12/12

6:35 am-8:50 am

2 stops17h 15m

Santander

Fri 1/9

9:00 am-8:50 pm

2 stops20h 50m

$1,561

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Fri 10/17

6:18 am-8:45 am

2 stops17h 27m

Santander

Sun 10/26

9:25 am-7:40 pm

2 stops18h 15m

$2,747

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Sat 10/4

6:18 am-8:45 am

2 stops17h 27m

Santander

Sun 10/19

1:25 pm-11:23 pm

2 stops18h 58m

$4,502

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Sun 9/21

8:10 pm-9:50 pm

2 stops16h 40m

$921

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Fri 9/19

2:17 pm-5:05 pm

2 stops17h 48m

$2,214

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 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 September 11, 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 57% 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 September 11, 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
2,929 reviews

Boarding

7.1

Overall

7.0

Entertainment

6.6

Food

6.3

Crew

7.6

Comfort

6.7

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
2,929 reviews
Iberia
7.0
Good
2,929 reviews

Boarding

7.1

Overall

7.0

Entertainment

6.6

Food

6.3

Crew

7.6

Comfort

6.7

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 29h 50m. 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.

See more FAQs

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$861Average$1,304FlexibilityNo cancel feeOn-time77%

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