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Cheap flights from San Francisco to Santander from $854

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Santander departing on 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from San Francisco to Santander

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
2:58 pm - 5:00 pmSFO  San Francisco-SDR Santander
17h 02m2 stops Chicago O'Hare Intl Madrid Barajas
Iberia Logo
6:30 am - 6:02 pmSDR  Santander-SFO San Francisco
20h 32m2 stops Madrid Barajas Dallas/Fort Worth
$854Iberia
Sun, Sep 20 - Tue, Oct 6
Multiple Airlines Logo
10:46 pm - 5:00 pmSFO  San Francisco-SDR Santander
33h 14m2 stops Chicago O'Hare Intl Madrid Barajas
Multiple Airlines Logo
6:30 am - 4:20 pmSDR  Santander-SFO San Francisco
18h 50m1 stop Madrid Barajas
$935Multiple Airlines
Thu, Sep 10 - Tue, Sep 22
Multiple Airlines Logo
10:46 pm - 5:00 pmSFO  San Francisco-SDR Santander
33h 14m2 stops Chicago O'Hare Intl Madrid Barajas
Multiple Airlines Logo
6:30 am - 12:59 amSDR  Santander-SFO San Francisco
27h 29m2 stops Madrid Barajas New York John F Kennedy Intl
$945Multiple Airlines
Thu, Sep 10 - Tue, Sep 22
British Airways Logo
9:46 am - 5:00 pmSFO  San Francisco-SDR Santander
22h 14m2 stops Philadelphia Madrid Barajas
British Airways Logo
6:30 am - 7:28 pmSDR  Santander-SFO San Francisco
21h 58m2 stops Madrid Barajas Dallas/Fort Worth
$1,015British Airways
Sun, Nov 15 - Thu, Nov 19
Multiple Airlines Logo
5:55 pm - 8:45 amSFO  San Francisco-SDR Santander
29h 50m1 stop Madrid Barajas
Multiple Airlines Logo
10:05 am - 9:16 pmSDR  Santander-SFO San Francisco
20h 11m2 stops Madrid Barajas Los Angeles
$1,161Multiple Airlines
Thu, Sep 3 - Wed, Sep 9
Finnair Logo
9:00 am - 5:00 pmSFO  San Francisco-SDR Santander
23h 00m2 stops Dallas/Fort Worth Madrid Barajas
Finnair Logo
6:30 am - 4:20 pmSDR  Santander-SFO San Francisco
18h 50m1 stop Madrid Barajas
$1,185Finnair
Fri, Sep 11 - Tue, Sep 22
Multiple Airlines Logo
5:55 pm - 8:45 amSFO  San Francisco-SDR Santander
29h 50m1 stop Madrid Barajas
Multiple Airlines Logo
5:40 pm - 4:20 pmSDR  Santander-SFO San Francisco
31h 40m1 stop Madrid Barajas
$1,225Multiple Airlines
Thu, Sep 3 - Wed, Sep 9
Multiple Airlines Logo
8:30 pm - 2:00 pmSFO  San Francisco-SDR Santander
32h 30m1 stop Paris Orly
Multiple Airlines Logo
5:00 pm - 2:35 pmSDR  Santander-SFO San Francisco
30h 35m2 stops Barcelona-El Prat Lisbon Humberto Delgado
$1,276Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Multiple Airlines Logo
5:55 pm - 8:45 amSFO  San Francisco-SDR Santander
29h 50m1 stop Madrid Barajas
Multiple Airlines Logo
6:30 am - 4:20 pmSDR  Santander-SFO San Francisco
18h 50m1 stop Madrid Barajas
$1,290Multiple Airlines
Thu, Sep 3 - Tue, Sep 8
British Airways Logo
4:35 pm - 5:00 pmSFO  San Francisco-SDR Santander
39h 25m2 stops London Heathrow Madrid Barajas
British Airways Logo
10:05 am - 9:16 pmSDR  Santander-SFO San Francisco
20h 11m2 stops Madrid Barajas Los Angeles
$1,293British Airways
Tue, Sep 1 - Wed, Sep 9

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Finnair flights from San Francisco to Santander

Our best Finnair deals on San Francisco to Santander flight tickets
Finnair
Sep 11
SFO9:00 amSan Francisco
23h 00m
2 stops
SDR5:00 pmSantander
Sep 22
SDR6:30 amSantander
18h 50m
1 stop
SFO4:20 pmSan Francisco
$1,185
Finnair
Sep 3
SFO1:45 pmSan Francisco
34h 00m
2 stops
SDR8:45 amSantander
Sep 10
SDR6:30 amSantander
18h 50m
1 stop
SFO4:20 pmSan Francisco
$1,371
Finnair
Sep 3
SFO1:45 pmSan Francisco
34h 00m
2 stops
SDR8:45 amSantander
Sep 9
SDR6:30 amSantander
26h 28m
2 stops
SFO11:58 pmSan Francisco
$1,381

British Airways flights from San Francisco to Santander

Our best British Airways deals on San Francisco to Santander flight tickets
British Airways
Sep 1
SFO4:35 pmSan Francisco
39h 25m
2 stops
SDR5:00 pmSantander
Sep 9
SDR10:05 amSantander
20h 11m
2 stops
SFO9:16 pmSan Francisco
$1,293
British Airways
Sep 4
SFO6:20 amSan Francisco
29h 40m
2 stops
SDR9:00 pmSantander
Sep 10
SDR6:30 amSantander
26h 26m
2 stops
SFO11:56 pmSan Francisco
$1,351
British Airways
Sep 1
SFO4:35 pmSan Francisco
39h 25m
2 stops
SDR5:00 pmSantander
Sep 9
SDR5:40 pmSantander
31h 40m
1 stop
SFO4:20 pmSan Francisco
$1,357

momondo 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, momondo users made 832,500 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from San Francisco to Santander that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San FranciscoSantander

SFO San Francisco - SDR Santander

SFOSDR

San Francisco

Sun 9/20

2:58 pm-5:00 pm

2 stops17h 02m

Santander

Tue 10/6

6:30 am-6:02 pm

2 stops20h 32m

$854

San FranciscoSantander

SFO San Francisco - SDR Santander

SFOSDR

San Francisco

Thu 9/10

10:46 pm-5:00 pm

2 stops33h 14m

Santander

Tue 9/22

6:30 am-4:20 pm

1 stop18h 50m

$935

San FranciscoSantander

SFO San Francisco - SDR Santander

SFOSDR

San Francisco

Thu 9/10

10:46 pm-5:00 pm

2 stops33h 14m

Santander

Tue 9/22

6:30 am-12:59 am

2 stops27h 29m

$945

San FranciscoSantander

SFO San Francisco - SDR Santander

SFOSDR

San Francisco

Sun 11/15

9:46 am-5:00 pm

2 stops22h 14m

Santander

Thu 11/19

6:30 am-7:28 pm

2 stops21h 58m

$1,015

San FranciscoSantander

SFO San Francisco - SDR Santander

SFOSDR

San Francisco

Thu 9/3

5:55 pm-8:45 am

1 stop29h 50m

Santander

Wed 9/9

10:05 am-9:16 pm

2 stops20h 11m

$1,161

San FranciscoSantander

SFO San Francisco - SDR Santander

SFOSDR

San Francisco

Fri 9/11

9:00 am-5:00 pm

2 stops23h 00m

Santander

Tue 9/22

6:30 am-4:20 pm

1 stop18h 50m

$1,185

San FranciscoSantander

SFO San Francisco - SDR Santander

SFOSDR

San Francisco

Thu 9/3

5:55 pm-8:45 am

1 stop29h 50m

Santander

Wed 9/9

5:40 pm-4:20 pm

1 stop31h 40m

$1,225

San FranciscoSantander

SFO San Francisco - SDR Santander

SFOSDR

San Francisco

Tue 9/1

8:30 pm-2:00 pm

1 stop32h 30m

Santander

Tue 9/8

5:00 pm-2:35 pm

2 stops30h 35m

$1,276

San FranciscoSantander

SFO San Francisco - SDR Santander

SFOSDR

San Francisco

Thu 9/3

5:55 pm-8:45 am

1 stop29h 50m

Santander

Tue 9/8

6:30 am-4:20 pm

1 stop18h 50m

$1,290

San FranciscoSantander

SFO San Francisco - SDR Santander

SFOSDR

San Francisco

Tue 9/1

4:35 pm-5:00 pm

2 stops39h 25m

Santander

Wed 9/9

10:05 am-9:16 pm

2 stops20h 11m

$1,293

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Santander from

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

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

Iberia and British Airways are the most popular carriers operating from San Francisco to Santander

What airlines fly to Santander?

Lufthansa, United Airlines and KLM are the top three most popular airlines that fly to Santander from San Francisco according to our data. Lufthansa is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Santander. Keep in mind that there are 3 different airlines that fly to Santander on a routine basis, so you have a few additional options to choose from.

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

22h 14m

Direct flights

None
The fastest flight from San Francisco to Santander takes 22h 14m
There are no direct flights from San Francisco to Santander. There are no popular flight routes from San Francisco to Santander.
Search flight deals

Frequently asked questions about flying from San Francisco to Santander

  • How far is San Francisco to Santander by plane?

    There are 5631.0 mi between San Francisco and Santander. Flights usually cover this in 22h 14m, 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 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.

Traveling to a place near Santander?

Book flights to Santander if you plan to visit one of these locations
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.

An easier way to manage your Santander trip

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Fly your favorite airline to Santander

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Lufthansa
United Airlines
KLM