Cheap flights from Seattle / Tacoma International to Madrid

Compare Seattle / Tacoma International to Madrid flight deals

Find the cheapest month or even day of the year to fly to Madrid

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Flight deals from Seattle / Tacoma International to Madrid

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International Airport to Madrid Airport? If you want to travel next month, return fares start from P55,147. Find the lowest prices on one-way and return tickets right here.

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

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

Seattle / Tacoma International to Madrid: Alternative routes

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

Seattle to Madrid: Flight information

The things to know before you go.
Cheapest flight foundP20,588
Cheapest month to flyJune

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

The best price we found for a return flight from Seattle / Tacoma International to Madrid is P42,913. 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 Seattle / Tacoma International to Madrid. But we found flights with one or more stops from P42,913.
As of May 2026, there are no flights flying from Seattle / Tacoma International to Madrid.
The cheapest month to fly from Seattle / Tacoma International to Madrid is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Madrid Airport on Monday, 4 May 2026.
No airlines currently offer direct flights between Seattle / Tacoma International Airport and Madrid 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 Madrid 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 Madrid is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Condor offers the cheapest flight tickets to Madrid.

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

  • The timezone in Madrid is UTC+1, which is eight hours ahead of Seattle.

  • To ensure you catch your SEA to MAD flight, leave plenty of time to navigate the airport and find your gate. Arriving two hours before international departures and one hour before domestic flights is the general rule.

  • Flying during a peak month like July? Major public holidays and other popular seasons can result in longer queues and delays at security. Be extra cautious and arrive up to four hours before an international flight and two hours before domestic departures.

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

    • London Heathrow Airport

    • Charles de Gaulle Airport

    • Keflavik International Airport

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

  • The cheapest price we've found for a one-way Seattle-Tacoma International Airport to Adolfo Suarez Madrid-Barajas Airport flight is P20,588. A round-trip fare right now is P42,913. Depending on the availability and when you book, these fares may change.

  • To find cheap tickets from SEA to MAD, book early. Airlines tend to offer their best fares when flights are first made available.

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

  • Spend less time searching for cheap flights from SEA to MAD by setting up a Price Alert. You'll get an email or notification on the app when fares go down.

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

Handy information about Seattle-Tacoma International Airport (SEA)

  • 81.27% of flights departing from Seattle-Tacoma International Airport land at their destination as planned. Given its strong on-time stats, delays are unlikely when taking off from SEA.

  • Seattle-Tacoma International Airport is about 23 kilometres from central Seattle. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.

  • You can expect a trip time of roughly 55 minutes when using public transport.

  • Have an early flight from Seattle-Tacoma International Airport to Adolfo Suarez Madrid-Barajas Airport? Avoid the last-minute rush to the terminal (and sneak in some extra precious sleep) by picking one of these stays close to SEA:

Arriving at Adolfo Suarez Madrid-Barajas Airport (MAD)

Getting from Adolfo Suarez Madrid-Barajas Airport (MAD) to central Madrid

  • Adolfo Suarez Madrid-Barajas Airport to central Madrid has a drive time of about 25 minutes. It's approximately 18 kilometres away.

  • Travelling to the centre on public transport takes about 35 minutes.

When to fly to Adolfo Suarez Madrid-Barajas Airport (MAD)

  • July is the busiest month for flights from Seattle-Tacoma International Airport to Adolfo Suarez Madrid-Barajas Airport. To skip the crowds, head to Madrid in April.

  • Lock in your flight from Seattle-Tacoma International Airport to Adolfo Suarez Madrid-Barajas Airport for July if you want to visit Madrid during its warmest month. Expect temperatures of between 17ºC (63ºF) and 36ºC (97ºF).

  • Look for cheap tickets from SEA to MAD in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC (32ºF) and 11ºC (52ºF) on average.

Explore more of Spain

  • You've seen Madrid, now it's time to explore other parts of Spain. Travel around 274 kilometres north-east to Zaragoza to tick off its leading attractions. From Puente de Piedra to Museo Pablo Gargallo and El Tubo, there's plenty to keep you busy.

  • If there's time to check out another well-known destination in Spain, head for Salamanca, roughly 177 kilometres west of Madrid. Plaza Mayor, S.O.U. Servicio de Orientación al Universitario. Universidad de Salamanca and Pontifical University of Salamanca are highlights.

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