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.

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

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

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 December 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.

$641 Cheap Flights from San Francisco to Santander in 2025/26

1 adult

0 bags

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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.

7:00 am - 8:20 am

SFO

SDR

16h 20m2 stops

9:00 am - 9:37 pm

SDR

SFO

21h 37m2 stops

$679Iberia

Sun, Jan 25 - Mon, Feb 9

10:35 am - 5:10 pm

SFO

SDR

21h 35m2 stops

6:30 am - 11:36 pm

SDR

SFO

26h 06m2 stops

$877Iberia

Fri, Jan 23 - Tue, Jan 27

2:56 pm - 5:10 pm

SFO

SDR

17h 14m2 stops

10:05 am - 4:10 pm

SDR

SFO

15h 05m1 stop

$1,014Iberia

Fri, Jan 9 - Thu, May 14

8:00 am - 8:20 am

SFO

SDR

16h 20m2 stops

9:20 am - 5:55 pm

SDR

SFO

17h 35m2 stops

$1,713Iberia

Thu, Mar 26 - Sun, Apr 5

Iberia flights from San Francisco to Santander

Our best Iberia deals on San Francisco to Santander flight tickets

Iberia

Jan 25

SFO7:00 amSan Francisco

16h 20m

2 stops

SDR8:20 amSantander

Feb 9

SDR9:00 amSantander

21h 37m

2 stops

SFO9:37 pmSan Francisco

$679

Find similar

Iberia

Jan 23

SFO10:35 amSan Francisco

21h 35m

2 stops

SDR5:10 pmSantander

Jan 27

SDR6:30 amSantander

26h 06m

2 stops

SFO11:36 pmSan Francisco

$877

Find similar

Iberia

Jan 9

SFO2:56 pmSan Francisco

17h 14m

2 stops

SDR5:10 pmSantander

May 14

SDR10:05 amSantander

15h 05m

1 stop

SFO4:10 pmSan Francisco

$1,014

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Sun 1/25

7:00 am-8:20 am

2 stops16h 20m

Santander

Mon 2/9

9:00 am-9:37 pm

2 stops21h 37m

$679

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Fri 1/23

10:35 am-5:10 pm

2 stops21h 35m

Santander

Tue 1/27

6:30 am-11:36 pm

2 stops26h 06m

$877

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Fri 1/9

2:56 pm-5:10 pm

2 stops17h 14m

Santander

Thu 5/14

10:05 am-4:10 pm

1 stop15h 05m

$1,014

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Thu 3/26

8:00 am-8:20 am

2 stops16h 20m

Santander

Sun 4/5

9:20 am-5:55 pm

2 stops17h 35m

$1,713

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Thu 5/7

5:45 pm-5:00 pm

1 stop14h 15m

$865

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Thu 5/7

2:28 pm-5:00 pm

2 stops17h 32m

$1,114

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Sat 6/13

5:45 pm-9:50 pm

1 stop19h 05m

$2,512

San FranciscoSantander

SFO - SDR

SFOSDR

San Francisco

Fri 6/12

1:21 pm-9:00 pm

2 stops22h 39m

$2,516

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

Fastest flight time	21h 35m
Direct flights	None

The fastest flight from San Francisco to Santander takes 21h 35m

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 21h 35m, 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 December 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 3,051 reviews		Search Iberia flights

Llanes

Potes

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.