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Cheap flights from Seattle to Madrid, Spain from £285

SEA — MAD
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Madrid

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Madrid

Wed 9/1208:09 -
1 stop14h 36m
Wed 20/113:25 -
2 stops35h 38m
Deal found 3/11£577
Mon 30/1123:15 -
1 stop25h 15m
Wed 20/113:25 -
2 stops34h 12m
Deal found 30/10£578
Tue 1/1217:28 -
2 stops29h 17m
Tue 8/1213:25 -
2 stops31h 19m
Deal found 2/11£580
Mon 30/1108:25 -
1 stop16h 20m
Tue 12/120:30 -
1 stop24h 20m
Deal found 1/11£582
Tue 1/1216:05 -
1 stop16h 40m
Mon 7/1213:05 -
1 stop31h 45m
Deal found 4/11£584
Tue 1/1213:30 -
1 stop13h 45m
Mon 7/1200:55 -
1 stop28h 06m
Deal found 1/11£587
Sun 13/1214:35 -
1 stop14h 05m
Wed 23/1206:00 -
1 stop18h 15m
Deal found 3/11£592
Sun 13/1214:35 -
1 stop16h 30m
Wed 23/1206:00 -
1 stop18h 15m
Deal found 4/11£593
Thu 3/1219:05 -
1 stop36h 20m
Tue 8/1211:55 -
1 stop38h 15m
Deal found 31/10£614

Find flight deals from Seattle to Madrid

Round-trip from

£577

One-way from

£285

Popular in

June

Cheapest in

January

Average price

£611
United Airlines
  • United Airlines
  • 2/12-9/12
  • 4 total stops
  • 58h 06m total
  • Seattle to Madrid
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British Airways
  • British Airways
  • 9/2-31/12
  • 1 total stop
  • 18h 35m total
  • Seattle to Madrid
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£91 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Seattle to Madrid that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Tue 9/2

13:30-17:05

1 stop18h 35m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£285

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Sat 6/2

22:50-09:30

1 stop25h 40m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£297

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Fri 5/2

18:45-12:15

1 stop32h 30m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£322

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Wed 31/3

13:35-20:05

1 stop21h 30m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£330

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Tue 30/3

13:35-20:05

1 stop21h 30m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£330

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Sat 3/4

14:00-09:55

1 stop34h 55m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£344

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Thu 1/4

13:35-20:05

1 stop21h 30m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£375

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Thu 1/4

13:12-09:00

3 stops34h 48m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£381

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Wed 18/11

11:45-11:10

1 stop14h 25m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£398

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Thu 26/11

18:45-22:35

1 stop18h 50m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£459

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Madrid

Have a flexible travel schedule? Discover the best time to fly to Madrid from Seattle with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Madrid

How far ahead should I book a flight from Seattle to Madrid?

Booking 48 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Madrid. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Madrid?

Currently, January is the cheapest month in which you can book a flight from Seattle to Madrid (average of £485). Flying from Seattle to Madrid in June is currently the most expensive (average of £874). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Seattle to Madrid?

Airfare is typical for this route at the moment.

Seattle to Madrid flights typically cost between £540 and £731 in December.
The cheapest return price found within the last 5 days was £577 on United Airlines (9 Dec–20 Jan).

Related info for your journey

  • How long is the flight from Seattle to Madrid?

    There are many flights that can get you from Seattle to Madrid in 14h 36m. Fly via United Airlines or Delta to get the fastest option. Airlines will cover a distance of 5292 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Seattle to Madrid that include hotel bookings?

    Yes. In addition to deals on Seattle to Madrid flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Madrid?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Madrid.

  • Can I find deals for business class flights from Seattle to Madrid?

    Yes. Cheapflights offers flight deals from Seattle to Madrid by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Madrid?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Madrid (average of £485). Flying from Seattle to Madrid in June is currently the most expensive (average of £874). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Madrid?

Book flights to Madrid if you plan to visit one of these locations
San Lorenzo de El Escorial
Fuenlabrada
Getafe

Browse thousands of different options on Cheapflights for your next trip

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How does Cheapflights help users find flights from Seattle to Madrid?

Cheapflights makes it easy to find Seattle to Madrid flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Madrid?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Madrid from Seattle.

Can Cheapflights find flights from Seattle to Madrid with no change fees?

Yes! Cheapflights helps users easily find flights from Seattle to Madrid with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Madrid become cheaper?

Not ready to book yet? You can track prices for flights from Seattle to Madrid on Cheapflights with our Price Alert feature and get notified when better prices are available.

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