₩814,600 Cheap Flights from Seattle (SEA) to Madrid (MAD)

View ₩814,600 flight on Mon, Dec 21, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Adolfo Suarez Madrid-Barajas Airport (MAD)

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Cheap Flights from Seattle to Madrid (SEA-MAD)

Prices were available within the past 7 days and start at ₩814,600 for one-way flights and ₩1,838,800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Dec 21 - Fri, Jan 1
SEA
Seattle
MAD
Madrid
₩1,838,800 Roundtrip, found 6 hours ago
₩1,838,800
Roundtrip
found 6 hours ago
Select United flight, departing Mon, Dec 21 from Seattle to Madrid, returning Fri, Jan 1, priced at ₩1,838,800 found 6 hours ago
Lufthansa
Mon, Dec 21 - Fri, Jan 1
SEA
Seattle
MAD
Madrid
₩2,015,900 Roundtrip, found 6 hours ago
₩2,015,900
Roundtrip
found 6 hours ago
Select Lufthansa flight, departing Mon, Dec 21 from Seattle to Madrid, returning Fri, Jan 1, priced at ₩2,015,900 found 6 hours ago
United
Mon, Dec 21 - Fri, Jan 1
SEA
Seattle
MAD
Madrid
₩2,039,500 Roundtrip, found 6 hours ago
₩2,039,500
Roundtrip
found 6 hours ago
Select United flight, departing Mon, Dec 21 from Seattle to Madrid, returning Fri, Jan 1, priced at ₩2,039,500 found 6 hours ago
Lufthansa
Mon, Dec 21 - Fri, Jan 1
SEA
Seattle
MAD
Madrid
₩2,041,100 Roundtrip, found 6 hours ago
₩2,041,100
Roundtrip
found 6 hours ago
Select Lufthansa flight, departing Mon, Dec 21 from Seattle to Madrid, returning Fri, Jan 1, priced at ₩2,041,100 found 6 hours ago
Lufthansa
Mon, Dec 21 - Fri, Jan 1
SEA
Seattle
MAD
Madrid
₩2,056,900 Roundtrip, found 6 hours ago
₩2,056,900
Roundtrip
found 6 hours ago
Select Lufthansa flight, departing Mon, Dec 21 from Seattle to Madrid, returning Fri, Jan 1, priced at ₩2,056,900 found 6 hours ago
British Airways
Mon, Dec 21 - Fri, Jan 1
SEA
Seattle
MAD
Madrid
₩2,068,600 Roundtrip, found 6 hours ago
₩2,068,600
Roundtrip
found 6 hours ago
Select British Airways flight, departing Mon, Dec 21 from Seattle to Madrid, returning Fri, Jan 1, priced at ₩2,068,600 found 6 hours ago
Lufthansa
Mon, Dec 21 - Fri, Jan 1
SEA
Seattle
MAD
Madrid
₩2,070,500 Roundtrip, found 6 hours ago
₩2,070,500
Roundtrip
found 6 hours ago
Select Lufthansa flight, departing Mon, Dec 21 from Seattle to Madrid, returning Fri, Jan 1, priced at ₩2,070,500 found 6 hours ago
British Airways
Mon, Dec 21 - Fri, Jan 1
SEA
Seattle
MAD
Madrid
₩2,080,200 Roundtrip, found 6 hours ago
₩2,080,200
Roundtrip
found 6 hours ago
Select British Airways flight, departing Mon, Dec 21 from Seattle to Madrid, returning Fri, Jan 1, priced at ₩2,080,200 found 6 hours ago
Lufthansa
Mon, Dec 21 - Fri, Jan 1
SEA
Seattle
MAD
Madrid
₩2,082,100 Roundtrip, found 6 hours ago
₩2,082,100
Roundtrip
found 6 hours ago
Select Lufthansa flight, departing Mon, Dec 21 from Seattle to Madrid, returning Fri, Jan 1, priced at ₩2,082,100 found 6 hours ago
Aer Lingus
Mon, Dec 21 - Fri, Jan 1
SEA
Seattle
MAD
Madrid
₩2,124,500 Roundtrip, found 6 hours ago
₩2,124,500
Roundtrip
found 6 hours ago
Select Aer Lingus flight, departing Mon, Dec 21 from Seattle to Madrid, returning Fri, Jan 1, priced at ₩2,124,500 found 6 hours ago
Air Canada
Mon, Dec 21 - Fri, Jan 1
SEA
Seattle
MAD
Madrid
₩2,139,900 Roundtrip, found 6 hours ago
₩2,139,900
Roundtrip
found 6 hours ago
Select Air Canada flight, departing Mon, Dec 21 from Seattle to Madrid, returning Fri, Jan 1, priced at ₩2,139,900 found 6 hours ago

Find the cheapest month to fly from Seattle (SEA) to Madrid (MAD)

October is typically the cheapest month to fly

From ₩627,914 - ₩1,765,101 per traveler.

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to Adolfo Suarez Madrid-Barajas Airport (MAD)?
If you're planning on traveling between Seattle - Tacoma Intl. Airport (SEA) and Adolfo Suarez Madrid-Barajas Airport (MAD), round-trip flights start from ₩1,838,800. This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year, so don't delay. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to Madrid–Barajas Airport?
Most flights can be canceled online, but every air carrier has different terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Sea-Tac Airport to Madrid–Barajas Airport that have flexible change policies?
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 SEA to MAD flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Adolfo Suarez Madrid-Barajas Airport (MAD)?
With a flight distance of 8,500 kilometers from Sea-Tac Airport (SEA) to Adolfo Suarez Madrid-Barajas Airport (MAD) (MAD), this is a long trip. Be sure to drink plenty of water and go for a short walk down the aisle every so often.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Adolfo Suarez Madrid-Barajas Airport (MAD)?
Flying directly between Sea-Tac Airport and MAD isn't possible right now. However, you'll still be able to book a flight to Madrid with at least one stop.
Are Seattle - Tacoma Intl. Airport (SEA) to MAD flight tickets cheaper when they're purchased at the last minute?
Flight tickets from SEA to Madrid Airport are available up to 12 months before departure on Expedia. And although you may pick up a fantastic last-minute deal, it's never something you can count on. Also, booking your flights in advance means you'll have more options — and you can avoid being wedged in the dreaded middle seat! We're always updating our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Adolfo Suárez Madrid-Barajas
Roundtrip price
₩1,838,800
Distance
8474 km
*Available to Expedia members.