What airlines fly to Santander?

Delta, KLM and Lufthansa are the top three most popular airlines that fly to Santander from Seattle according to our data. Delta is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Santander. Keep in mind that there are 5 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 Seattle/Tacoma Intl Airport to Santander Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Santander Airport are updated daily.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Santander Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Santander Airport.

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

The travel and health documents you'll need for your trip to Santander Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Santander Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$653 Cheap Flights from Seattle to Santander (SEA-SDR) in 2025

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Find the cheapest flights from Seattle to Santander (SEA-SDR)

Round-trip

One-way

Cheap round-trip flights

12:50 pm - 5:05 pmSEA-SDR

19h 15m2 stops

6:30 am - 9:23 pmSDR-SEA

47h 53m2 stops

$821Iberia

Find Deal

vie., sep. 26 - vie., oct. 3

10:30 am - 5:10 pmSEA-SDR

21h 40m2 stops

6:30 am - 11:06 pmSDR-SEA

25h 36m2 stops

$1,177Iberia

Find Deal

lun., dic. 15 - lun., dic. 29

5:43 am - 8:20 amSEA-SDR

17h 37m2 stops

9:00 am - 9:16 pmSDR-SEA

21h 16m2 stops

$1,312Iberia

Find Deal

mar., dic. 16 - lun., dic. 29

12:50 pm - 9:00 pmSEA-SDR

23h 10m2 stops

9:00 am - 9:16 pmSDR-SEA

21h 16m2 stops

$1,315Iberia

Find Deal

mié., dic. 17 - lun., dic. 29

8:20 pm - 11:35 amSEA-SDR

30h 15m1 stop

9:05 am - 8:07 amSDR-SEA

32h 02m2 stops

$1,333

Find Deal

vie., ago. 29 - mar., sep. 2

7:42 am - 9:00 pmSEA-SDR

28h 18m2 stops

5:40 pm - 10:02 pmSDR-SEA

37h 22m2 stops

$1,358Iberia

Find Deal

lun., dic. 15 - mar., dic. 30

6:50 pm - 3:15 pmSEA-SDR

35h 25m2 stops

9:20 am - 5:50 pmSDR-SEA

17h 30m1 stop

$1,388

Find Deal

vie., sep. 26 - vie., oct. 3

10:20 am - 5:10 pmSEA-SDR

21h 50m2 stops

9:00 am - 9:16 pmSDR-SEA

21h 16m2 stops

$1,512Iberia

Find Deal

dom., dic. 21 - lun., dic. 29

8:20 pm - 11:35 amSEA-SDR

30h 15m1 stop

11:45 am - 11:35 amSDR-SEA

32h 50m1 stop

$1,597

Find Deal

vie., ago. 29 - mar., sep. 2

7:15 am - 1:30 pmSEA-SDR

21h 15m2 stops

7:30 pm - 8:40 pmSDR-SEA

34h 10m3 stops

$1,612

Find Deal

vie., sep. 26 - vie., oct. 3

Iberia flights from Seattle to Santander

Our best Iberia deals on Seattle to Santander flight tickets

Iberia

Sep 26

SEA12:50 pmSeattle/Tacoma Intl

19h 15m

2 stops

SDR5:05 pmSantander

Oct 3

SDR6:30 amSantander

47h 53m

2 stops

SEA9:23 pmSeattle/Tacoma Intl

$821

Find similar

Iberia

Dec 15

SEA10:30 amSeattle/Tacoma Intl

21h 40m

2 stops

SDR5:10 pmSantander

Dec 29

SDR6:30 amSantander

25h 36m

2 stops

SEA11:06 pmSeattle/Tacoma Intl

$1,177

Find similar

Iberia

Dec 16

SEA5:43 amSeattle/Tacoma Intl

17h 37m

2 stops

SDR8:20 amSantander

Dec 29

SDR9:00 amSantander

21h 16m

2 stops

SEA9:16 pmSeattle/Tacoma Intl

$1,312

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

vie. 9/26

12:50 pm-5:05 pm

2 stops19h 15m

Santander

vie. 10/3

6:30 am-9:23 pm

2 stops47h 53m

$821

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

lun. 12/15

10:30 am-5:10 pm

2 stops21h 40m

Santander

lun. 12/29

6:30 am-11:06 pm

2 stops25h 36m

$1,177

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

mar. 12/16

5:43 am-8:20 am

2 stops17h 37m

Santander

lun. 12/29

9:00 am-9:16 pm

2 stops21h 16m

$1,312

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

mié. 12/17

12:50 pm-9:00 pm

2 stops23h 10m

Santander

lun. 12/29

9:00 am-9:16 pm

2 stops21h 16m

$1,315

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

vie. 8/29

8:20 pm-11:35 am

1 stop30h 15m

Santander

mar. 9/2

9:05 am-8:07 am

2 stops32h 02m

$1,333

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

lun. 12/15

7:42 am-9:00 pm

2 stops28h 18m

Santander

mar. 12/30

5:40 pm-10:02 pm

2 stops37h 22m

$1,358

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

vie. 9/26

6:50 pm-3:15 pm

2 stops35h 25m

Santander

vie. 10/3

9:20 am-5:50 pm

1 stop17h 30m

$1,388

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

dom. 12/21

10:20 am-5:10 pm

2 stops21h 50m

Santander

lun. 12/29

9:00 am-9:16 pm

2 stops21h 16m

$1,512

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

vie. 8/29

8:20 pm-11:35 am

1 stop30h 15m

Santander

mar. 9/2

11:45 am-11:35 am

1 stop32h 50m

$1,597

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

vie. 9/26

7:15 am-1:30 pm

2 stops21h 15m

Santander

vie. 10/3

7:30 pm-8:40 pm

3 stops34h 10m

$1,612

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Seattle 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 time of day to depart on your flight to Santander?

The cheapest time of day to fly to Santander is at noon when flights can be purchased for as low as $654. In the morning is when there is more demand to fly to Santander, so prices are often more expensive at around $981 per ticket.

When to book flights from Seattle to Santander

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

Estimated round-trip price

Cheap Seattle to Santander (SEA to SDR) flight deals and tips

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

Best Price Found	$821
Fastest flight time	15h 50m
Direct flights	None
Airports in Santander	1 airport

The best flight deal from Seattle to Santander found on momondo in the last 72 hours is $821

The fastest flight from Seattle to Santander takes 15h 50m

There are no direct flights from Seattle to Santander. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Santander Airport.

There is 1 airport near Santander: Santander (SDR)

Search flight deals

How far is Seattle/Tacoma Intl to Santander by plane?
There are 5114.6 mi between Seattle/Tacoma Intl and Santander. 15h 50m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Santander Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Santander Airport are updated daily.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Santander Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Santander Airport.
What documentation or ID do you need to fly to Santander Airport?
The travel and health documents you'll need for your trip to Santander Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Santander Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Llanes

Potes

Why use momondo?

Why should I use momondo to find a flight deal from Seattle 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 Seattle to Santander for you.

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

Flights from Seattle to Santander with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle 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 Seattle.

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

Price alerts on flights to Santander from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.