$850 Cheap flights from Seattle - Tacoma Intl. to Santander (SEA to SDR)

Discover our best flights from Seattle SEA to Santander SDR. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

Find our best return flights from Seattle SEA to Santander SDR at the right price  

Airfares to Santander SDR from Seattle SEA currently cost between $1,408 and $1,755. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

Book one-way flights from Seattle SEA to Santander SDR 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Seattle SEA to Santander SDR on Travelocity starting at $850. Prices and availability subject to change. Additional terms may apply. 

Get to Santander SDR from Seattle SEA quicker with direct flights. 

Get to Santander faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to SDR from SEA to take around hour(s) min(s).  

Find our cheapest airfares for flights from Seattle SEA to Santander SDR

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to SDR from SEA. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

Get our best airfare deals for your flight from Seattle SEA to Santander SDR today 

If you’re flexible about when you travel, July is usually the cheapest month to fly from Seattle SEA to Santander SDR. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

Book flexible airline tickets for flights to Santander SDR from Seattle SEA 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to SDR from SEA have this option.  

Travel with confidence when you book flights to Santander SDR from Seattle SEA with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving.