540 € Cheap Flights from Madrid to Seattle / Tacoma International

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Find the cheapest month or even day of the year to fly to Seattle / Tacoma International

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Flight deals from Madrid to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best return flight from Madrid Airport to Seattle / Tacoma International Airport? If you want to travel next month, return fares start from 640 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Madrid to Seattle / Tacoma International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Madrid to Seattle / Tacoma International flights are currently cheapest in May.

Madrid to Seattle / Tacoma International: Alternative routes

Compare routes from Madrid to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Madrid to Seattle: Flight information

The things to know before you go.
Cheapest flight found540 €
Cheapest month to flyMay

Finding cheap flights from Madrid to Seattle / Tacoma International: Frequently asked questions

The best price we found for a return flight from Madrid to Seattle / Tacoma International is 540 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Madrid to Seattle / Tacoma International. But we found flights with one or more stops from 540 €.
As of May 2026, there are no flights flying from Madrid to Seattle / Tacoma International.
The cheapest month to fly from Madrid to Seattle / Tacoma International is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Madrid Airport to Seattle / Tacoma International Airport on Thursday, 14 May 2026.
No airlines currently offer direct flights between Madrid Airport and Seattle / Tacoma International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Condor offers the cheapest flight tickets to Seattle / Tacoma International.

Flying from Adolfo Suarez Madrid-Barajas Airport (MAD) to Seattle-Tacoma International Airport (SEA): what you need to know

  • Seattle is eight hours behind Madrid and observes the UTC-7 timezone.

  • Give yourself enough time to catch your MAD to SEA flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, it's best to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead for an international flight when you fly during a high season in general.

  • If you'd like to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from Adolfo Suarez Madrid-Barajas Airport to Seattle-Tacoma International Airport. Here are the top stopovers between MAD and SEA:

    • London Heathrow Airport

    • Frankfurt Airport

    • Franz Josef Strauss Airport

How to find the cheapest flights from Adolfo Suarez Madrid-Barajas Airport (MAD) to Seattle-Tacoma International Airport (SEA)

  • The cheapest price we've found for a one-way Adolfo Suarez Madrid-Barajas Airport to Seattle-Tacoma International Airport flight is 371 €. A round-trip fare is currently 540 €. Depending on the availability and when you book, these fares can change.

  • It's a good idea to book as early as possible if you want to get cheap tickets from MAD to SEA. That's because airlines change prices based on demand, which tends to rise closer to the date of departure.

  • The 'Whole month' search function shows you the cheapest flights from Adolfo Suarez Madrid-Barajas Airport to Seattle-Tacoma International Airport across the entire month. It's a good way to find a bargain if your travel plans aren't set in stone.

  • Stay on top of deals for cheap flights from MAD to SEA by creating a Price Alert. We'll send you an email or push notification on the app when a special offer becomes available.

  • Pick your ideal departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Adolfo Suarez Madrid-Barajas Airport to Seattle-Tacoma International Airport.

Handy information about Adolfo Suarez Madrid-Barajas Airport (MAD)

  • When it comes to Adolfo Suarez Madrid-Barajas Airport's on-time performance, data shows 78.23% of flights complete their journey on time.

  • Adolfo Suarez Madrid-Barajas Airport is about 18 kilometres from central Madrid. If you're ride-sharing, catching a cab or driving from the centre, it'll take 25 minutes or so to get there, depending on the traffic.

  • You can expect a journey time of around 35 minutes when using public transport.

  • Looking for a convenient hotel close to MAD? If you've booked an early flight from Adolfo Suarez Madrid-Barajas Airport to Seattle-Tacoma International Airport, these accommodation options will put you moments from check-in:

Arriving at Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • Seattle-Tacoma International Airport to the centre of Seattle has a drive time of around 20 minutes. It's approximately 23 kilometres away.

  • It'll take around 55 minutes if you're travelling on public transport.

When to fly to Seattle-Tacoma International Airport (SEA)

  • It's time to choose your dates for your flight from Adolfo Suarez Madrid-Barajas Airport to Seattle-Tacoma International Airport. July is the most popular month to visit Seattle. If you prefer a more relaxed vibe, go in May.

  • Book your flight from Adolfo Suarez Madrid-Barajas Airport to Seattle-Tacoma International Airport for August if you'd like to go to Seattle during its warmest month. You can expect temperatures of between 12ºC (54ºF) and 28ºC (82ºF).

  • February has average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Look for cheap tickets from MAD to SEA sometime around then if you want to travel when it's cooler.

Explore more of United States

  • Portland is just one of the many places in United States waiting to be discovered after you've experienced Seattle. Around 241 kilometres away to the south, its top attractions include Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion.

  • If you're eager to discover another corner of United States, head for Spokane, roughly 370 kilometres east of Seattle. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.