What is the cheapest airline that flies from San Francisco to Santander?

Iberia is the most popular carrier operating from San Francisco to Santander

What airlines fly to Santander?

United Airlines, Lufthansa and Iberia are the top three most popular airlines that fly to Santander from San Francisco according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Santander. Keep in mind that there are 7 different airlines that fly to Santander on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Francisco Airport to Santander Airport?

Prices for flights from San Francisco Airport to Santander Airport were last updated today.

How many operators does momondo search for flights from San Francisco Airport to Santander Airport?

As of October 2025, there is 1 operator available to choose from for flights from San Francisco Airport to Santander Airport.

How old do you have to be to fly from San Francisco Airport to Santander Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Santander Airport.

What documentation or ID do you need to fly to Santander Airport?

The necessary travel and health documents for your Santander Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$565 Cheap Flights from San Francisco to Santander in 2025/26

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Find the cheapest flights from San Francisco to Santander

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:20 pm - 8:20 amSFO-SDR

30h 00m2 stops

9:25 am - 9:59 pmSDR-SFO

21h 34m2 stops

$1,283Iberia

Find Deal

qua, nov 19 - dom, nov 23

7:00 am - 8:50 amSFO-SDR

16h 50m2 stops

9:25 am - 9:02 pmSDR-SFO

20h 37m2 stops

$1,503Iberia

Find Deal

sáb, nov 29 - sáb, dez 6

5:20 pm - 8:20 amSFO-SDR

30h 00m2 stops

9:25 am - 9:59 pmSDR-SFO

21h 34m2 stops

$1,545Iberia

Find Deal

qua, nov 19 - dom, nov 23

6:20 am - 8:50 amSFO-SDR

17h 30m2 stops

9:00 am - 6:45 pmSDR-SFO

18h 45m2 stops

$2,287Multiple Airlines

Find Deal

sex, nov 21 - qui, nov 27

7:00 am - 8:50 amSFO-SDR

16h 50m2 stops

9:25 am - 8:45 pmSDR-SFO

20h 20m2 stops

$3,972Iberia

Find Deal

sáb, nov 22 - sáb, nov 29

Iberia flights from San Francisco to Santander

Our best Iberia deals on San Francisco to Santander flight tickets

Iberia

Nov 19

SFO5:20 pmSan Francisco

30h 00m

2 stops

SDR8:20 amSantander

Nov 23

SDR9:25 amSantander

21h 34m

2 stops

SFO9:59 pmSan Francisco

$1,283

Find similar

Iberia

Nov 29

SFO7:00 amSan Francisco

16h 50m

2 stops

SDR8:50 amSantander

Dec 6

SDR9:25 amSantander

20h 37m

2 stops

SFO9:02 pmSan Francisco

$1,503

Find similar

Iberia

Nov 19

SFO5:20 pmSan Francisco

30h 00m

2 stops

SDR8:20 amSantander

Nov 23

SDR9:25 amSantander

21h 34m

2 stops

SFO9:59 pmSan Francisco

$1,545

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

qua 11/19

5:20 pm-8:20 am

2 stops30h 00m

Santander

dom 11/23

9:25 am-9:59 pm

2 stops21h 34m

$1,283

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

sáb 11/29

7:00 am-8:50 am

2 stops16h 50m

Santander

sáb 12/6

9:25 am-9:02 pm

2 stops20h 37m

$1,503

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

qua 11/19

5:20 pm-8:20 am

2 stops30h 00m

Santander

dom 11/23

9:25 am-9:59 pm

2 stops21h 34m

$1,545

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

sex 11/21

6:20 am-8:50 am

2 stops17h 30m

Santander

qui 11/27

9:00 am-6:45 pm

2 stops18h 45m

$2,287

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

sáb 11/22

7:00 am-8:50 am

2 stops16h 50m

Santander

sáb 11/29

9:25 am-8:45 pm

2 stops20h 20m

$3,972

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

ter 3/17

7:26 am-8:20 am

2 stops16h 54m

$565

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

ter 12/2

7:00 am-8:20 am

2 stops16h 20m

$602

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

ter 12/2

7:00 am-8:20 am

2 stops16h 20m

$647

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

qui 12/11

7:00 am-8:20 am

2 stops16h 20m

$931

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

qui 12/11

7:00 am-8:20 am

2 stops16h 20m

$5,611

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from San Francisco to Santander

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Santander?

The cheapest day to depart from San Francisco to Santander is on a Monday. Travelers who choose to depart for Santander on a Monday will often find tickets for as low as $642. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,516. These prices are subject to change though, so be sure to set up a Price Alert for flights to Santander.

What is the cheapest time of day to depart on your flight to Santander?

The cheapest time of day to fly to Santander is in the morning when flights can be purchased for as low as $642. At noon is when there is more demand to fly to Santander, so prices are often more expensive at around $1,478 per ticket.

When to book flights from San Francisco to Santander

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Santander according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap San Francisco to Santander (SFO to SDR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Santander

Direct flights	None

There are no direct flights from San Francisco to Santander. There are no popular flight routes from San Francisco to Santander.

Search flight deals

How far is San Francisco to Santander by plane?
There are 5630.8 mi between San Francisco and Santander. Flights usually cover this in 16h 50m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from San Francisco Airport to Santander Airport?
Prices for flights from San Francisco Airport to Santander Airport were last updated today.
How many operators does momondo search for flights from San Francisco Airport to Santander Airport?
As of October 2025, there is 1 operator available to choose from for flights from San Francisco Airport to Santander Airport.
How old do you have to be to fly from San Francisco Airport to Santander Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Santander Airport.
What documentation or ID do you need to fly to Santander Airport?
The necessary travel and health documents for your Santander Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from San Francisco to Santander?
Based on momondo bookings for flights between San Francisco and Santander, the leading airline is Iberia, making up 100% of the total bookings.

Best airlines flying from San Francisco to Santander

Compare and see reviews for airlines that fly from San Francisco to Santander with momondo

Airline	Rating	Free Cancellation	Price
Iberia	PriceFrom $861	Free Cancellation	Rating 7.0 3,003 reviews		Search Iberia flights

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Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Santander?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to Santander for you.

Can I find flights from San Francisco to Santander with flexible booking policies on momondo?

momondo does allow users to show only those flights to Santander from San Francisco which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Francisco to Santander?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Santander from San Francisco.

I’m not ready to book a flight from San Francisco to Santander right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Santander from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.