SEA - SDR

$1,140 Find Cheap Flights from Seattle to Santander - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,140
Typical prices: $1,211-$1,211
Finnair
Wed 3/28Sun 4/1
SEA - SDR • 2 stops
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Booking Insights
Flight Deals

Cheap Flights from Seattle to Santander (SEA-SDR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Santander

Sun, Mar 28 - Thu, Apr 1
Finnair Logo
7:30 am - 9:30 amSEA  Seattle/Tacoma Intl-SDR Santander
41h 00m2 stops Dallas/Fort Worth Madrid Barajas
Finnair Logo
6:30 am - 12:34 amSDR  Santander-SEA Seattle/Tacoma Intl
27h 04m2 stops Madrid Barajas Chicago O'Hare Intl
$1,140Finnair
Booking Insights

Price, demand and travel trends for Seattle to Santander flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Seattle to Santander?

Round-trip flights from Seattle to Santander typically range from $1,211 to $1,211. The lowest price found in the past 5 days was $1,140, on Finnair.

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Key details for Seattle to Santander flights

Cheapest flight

$1,140
Round-trip flight from Seattle to Santander

When to book flights from Seattle to Santander

Are your dates flexible? Find out the best times to travel from Seattle to Santander based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Santander flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Seattle to Santander?

    Only Economy Class is available on flights from Seattle to Santander.

  • Do I need a passport to fly from Seattle to Santander?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • What car rental options are available at Santander Airport (SDR)?

    Santander Airport (SDR) hosts 5 major car rental companies, with daily rates averaging $37 for economy cars. Top options include:

    • Goldcar Rental SP
    • CLICK RENT
    • Budget
    • Enterprise Rent-A-Car
    • Alamo

  • Which airports can I use when flying from Seattle to Santander?

    Flights from Seattle to Santander usually depart from Seattle/Tacoma Intl (SEA) and arrive at Santander (SDR).

  • What is the time difference between Seattle and Santander?

    Santander is 9 hours ahead of Seattle (Central European Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Seattle to Santander flights

Get tips on when to book, when to fly and what to know before your trip.

More options for your flight from Seattle to Santander

Complete your trip to Santander with a hotel stay or car rental

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