$274 Find Cheap Flights from Seattle to Madrid - Compare and Save

Yes. The airport has three medical centers in the Arrival Halls of T4 and T2 and Terminal T4 Satellite. There are also 75 Heart Rescue Areas you can visit in case of a heart attack. Four pharmacies are also available Terminal T4, T1, and T2.

Yes. There are multiple banks in each terminal at the airport and you can find ATMs in the public arrivals lounge in each terminal. The Exact Change also offers currency exchange services in Terminal T1 Baggage Claim Halls 1 and 2. You can opt for Global Exchange company in Terminal T4 Baggage Claim Halls 10 and 11.

SEA hosts 12 lounges, including all Alaska Airline Lounges, The Club at SEA, and United Club. Exclusive lounges are The Centurion Lounge in Concourse A and B, British Airways Terraces Lounges in South Satellite Terminal, and USO Lounge for active U.S. military members in the Central Terminal.

Yes. SEA is pet-friendly; hence you can bring along your furry friend. There are four pet relief areas at the airport. If you exit through Concourse B, you can utilize the outdoor pet relief areas near the exit. There are pet relief areas on Level 2 of the South Satellite and North Satellite terminals.

In the last 5 days, the lowest price for a flight from Seattle to Madrid was $274 for a one-way ticket and $480 for a round-trip.

Yes, you’ll need a passport to travel to Madrid from Seattle.

We unfortunately don’t have that data for this specific route.

Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Seattle and Madrid, with Star Alliance being the most commonly used for this route.

London is the most popular layover city among KAYAK users traveling from Seattle to Madrid.

The two airlines most popular with KAYAK users for flights from Seattle to Madrid are Delta and KLM. With an average price for the route of $974 and an overall rating of 7.8, Delta is the most popular choice. KLM is also a great choice for the route, with an average price of $916 and an overall rating of 7.8.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Madrid.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Madrid from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Madrid with an airline and back to Seattle with another airline. Booking your flights between Seattle and MAD can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Madrid from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.