Seattle to Madrid flights

Routavio compares airline fares from several flight booking sites. Search Seattle to Madrid to see the lowest price before you book.

Lowest fare seen
€319Seen on 12 Oct 2026
Last checked
4 Nov 2026
Observed fares. Prices may change.

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

One-way fare

One-way fare · No data: click and we will search
Airlines seen
Air Europa, Alaska Airlines, American Airlines, Delta Air Lines, Iberia, Icelandair, JetBlue, KLM, Lufthansa, United Airlines, WestJet (11)
Typical journey time
16h 20m

Seattle → MadridWed 30 Dec 2026 · €319Last checked: 12 Oct 2026

About this route

Explore the fares we observed from Seattle to Madrid. Prices move often, so pick your dates to see the latest options.

Route distance
8,510 km
Typical journey time
16h 20m
Seen on fares with a connection
Alaska Airlines, Icelandair, Lufthansa, Iberia, American Airlines, KLM, Air Europa, Delta Air Lines (8)
Alternative airports
BFI

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

A clearer picture of your fare

Observed, not guaranteed
Every price is a fare we actually saw, and it may change at any time.
Compare the same trip
We show like-for-like journeys so the comparison is fair.
Confirm with the provider
The price is final on the provider's site, where your booking is completed.
How our prices work
Price alert
Price alert for Seattle → Madrid

If the observed fare for this date drops, we will email you. At most one message a day.

Airport to city: straight-line distance

  • King County International Airport - Boeing Field (BFI) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 9 km.
  • Seattle–Tacoma International Airport (SEA) → Seattle, city gazetteer reference point (47.6062, -122.3321): ≈ 18 km.
  • Madrid–Barajas (MAD) → Madrid, city gazetteer reference point (40.4167, -3.7003): ≈ 13 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Frequently asked

How much was a flight from Seattle to Madrid?

A fare of €319 was seen on 12 Oct 2026. Fares change, so search your dates for the current price.

Are there direct flights from Seattle to Madrid?

Our data holds no non-stop flight from Seattle to Madrid. The fares on this page include at least one stop.

Which airlines fly from Seattle to Madrid?

Routavio has seen these carriers on the route: Air Europa, Alaska Airlines, American Airlines, Delta Air Lines, Iberia, Icelandair, JetBlue, KLM, Lufthansa, United Airlines, WestJet (11).

How long does the flight from Seattle to Madrid take?

Across the 60 fares Routavio observed, the average journey time is 20h 54m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed Seattle to Madrid fares were non-stop?

None of the 61 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio

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Recently observed fares. Prices may change.

About these prices
Fares are observed at trusted providers and refreshed regularly. They can change at any time and may not include extras.
Data and updates
Last checked 4 Nov 2026. Availability and fares must be confirmed when you search.
Your booking
When you book, the price is confirmed with the provider. Booking is completed on their site; we do not process payments.