€635 Cheap Flights Madrid to Seattle (MAD-SEA)

The lowest price advertised for a round-trip flight between Adolfo Suarez Madrid-Barajas Airport (MAD) and Seattle - Tacoma Intl. Airport (SEA) is €593. But you better act soon. This price is taken from fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

The majority of flights can be cancelled online, but each airline has a different set of terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Adolfo Suarez Madrid-Barajas Airport (MAD) to SEA flights, you’ll see a “no change fees” filter for you to select.

You’ll have 8,500 kilometres to cover on the long-haul Madrid to SeaTac route. Wear comfortable clothes and consider taking a sleep mask and earplugs.

Direct flights aren’t available, so you’ll need to make at least one stop between MAD and Sea-Tac Airport. Take advantage of the layover time to stretch your legs and grab a coffee.

Flight prices change all the time, so not always. While last-minute deals between Madrid–Barajas Airport and Seattle - Tacoma Intl. Airport (SEA) are of course possible, it also makes sense to keep an eye on prices well before you fly. In fact, some airlines advertise their prices up to 12 months before the departure date. Expedia is continuously updating the biggest bargains around, so check back often and be ready to secure your seat when fare prices drop.