$392 Cheap Flights from Seattle (SEA) to Madrid (MAD)

View $392 flight on Wed, Oct 22, 2025Opens 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 $392 for one-way flights and $480 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Condor
Mon, Feb 23 - Mon, Mar 9
SEA
Seattle
MAD
Madrid
$480 Roundtrip, found 1 day ago
$480
Roundtrip
found 1 day ago
Select Condor flight, departing Mon, Feb 23 from Seattle to Madrid, returning Mon, Mar 9, priced at $480 found 1 day ago
Aer Lingus
Wed, Dec 3 - Wed, Dec 10
SEA
Seattle
MAD
Madrid
$509 Roundtrip, just found
$509
Roundtrip
just found
Select Aer Lingus flight, departing Wed, Dec 3 from Seattle to Madrid, returning Wed, Dec 10, priced at $509 just found
Scandinavian Airlines
Sun, Oct 19 - Thu, Oct 23
SEA
Seattle
MAD
Madrid
$545 Roundtrip, found 3 hours ago
$545
Roundtrip
found 3 hours ago
Select Scandinavian Airlines flight, departing Sun, Oct 19 from Seattle to Madrid, returning Thu, Oct 23, priced at $545 found 3 hours ago
United
Mon, Sep 29 - Tue, Oct 7
SEA
Seattle
MAD
Madrid
$582 Roundtrip, just found
$582
Roundtrip
just found
Select United flight, departing Mon, Sep 29 from Seattle to Madrid, returning Tue, Oct 7, priced at $582 just found
Air Canada
Mon, Sep 29 - Tue, Oct 7
SEA
Seattle
MAD
Madrid
$582 Roundtrip, just found
$582
Roundtrip
just found
Select Air Canada flight, departing Mon, Sep 29 from Seattle to Madrid, returning Tue, Oct 7, priced at $582 just found
Iberia
Sun, Oct 26 - Thu, Nov 6
SEA
Seattle
MAD
Madrid
$586 Roundtrip, found 1 day ago
$586
Roundtrip
found 1 day ago
Select Iberia flight, departing Sun, Oct 26 from Seattle to Madrid, returning Thu, Nov 6, priced at $586 found 1 day ago
British Airways
Tue, Mar 17 - Tue, Mar 24
SEA
Seattle
MAD
Madrid
$586 Roundtrip, just found
$586
Roundtrip
just found
Select British Airways flight, departing Tue, Mar 17 from Seattle to Madrid, returning Tue, Mar 24, priced at $586 just found
American Airlines
Tue, Mar 17 - Tue, Mar 24
SEA
Seattle
MAD
Madrid
$586 Roundtrip, just found
$586
Roundtrip
just found
Select American Airlines flight, departing Tue, Mar 17 from Seattle to Madrid, returning Tue, Mar 24, priced at $586 just found
Virgin Atlantic
Mon, Sep 29 - Tue, Oct 7
SEA
Seattle
MAD
Madrid
$587 Roundtrip, just found
$587
Roundtrip
just found
Select Virgin Atlantic flight, departing Mon, Sep 29 from Seattle to Madrid, returning Tue, Oct 7, priced at $587 just found
Delta
Mon, Sep 29 - Tue, Oct 7
SEA
Seattle
MAD
Madrid
$587 Roundtrip, just found
$587
Roundtrip
just found
Select Delta flight, departing Mon, Sep 29 from Seattle to Madrid, returning Tue, Oct 7, priced at $587 just found

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

October is typically the cheapest month to fly

From $433 - $1,363 per traveler.

Graph displaying average flight prices per month

Alternative airports near Madrid

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Adolfo Suarez Madrid-Barajas MAD. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $760
MAD
Adolfo Suarez Madrid-Barajas
CheapestClosest
Average driving time to city center20 min
Flights from $760
Flights from Seattle (SEA) to Madrid (MAD)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Adolfo Suárez Madrid-Barajas
Airlines serving
Aer Lingus, Air Canada, Air Europa, Air France, Alaska Airlines, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$480
Distance
5296 mi

Seattle to Madrid Flights

The cheapest times to fly from Seattle to Madrid

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Madrid are during the month of February. You can find some of the cheapest flights from Seattle to Madrid with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Madrid

Sunday is one of the best days to book for cheap flights from Seattle to Madrid: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Madrid

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Madrid in 2025. You can also book with separate airlines for your outbound and return journeys, from $392 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Madrid flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Madrid airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Adolfo Suarez Madrid-Barajas Airport (MAD) cost?
Get a cheap one-way flight from $392 or cheap return flight from $480 from Seattle - Tacoma Intl. Airport (SEA) to Adolfo Suarez Madrid-Barajas Airport (MAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Adolfo Suarez Madrid-Barajas Airport (MAD)?
Flying in February may help you find better deals, as it's the cheapest month for flights between SEA and MAD. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Adolfo Suarez Madrid-Barajas Airport (MAD)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SEA to MAD flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Adolfo Suarez Madrid-Barajas Airport (MAD)?
Nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to Adolfo Suarez Madrid-Barajas Airport (MAD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to MAD?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Adolfo Suarez Madrid-Barajas Airport (MAD)?
To touch down at Adolfo Suarez Madrid-Barajas Airport (MAD) without delays, opt for a flight that leaves Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Adolfo Suarez Madrid-Barajas Airport (MAD) last-minute?
Booking your plane ticket from SEA to MAD shortly before your trip is generally more expensive. However, if there's some wiggle room with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a SEA to MAD flight and hotel package?
Booking a SEA to MAD flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our extensive range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Adolfo Suarez Madrid-Barajas Airport (MAD)?
Usually, it's possible to reschedule or cancel your SEA to MAD flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.