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Cheap flights from Seattle to Madrid, Spain from C$ 540

SEA — MAD
10 Dec — 17 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

Thu 26/115:50 p.m. -
1 stop18h 55m
Thu 10/127:00 a.m. -
1 stop17h 55m
Deal found 7/11C$ 973
Wed 9/127:00 a.m. -
1 stop17h 30m
Wed 20/11:25 p.m. -
2 stops39h 13m
Deal found 9/11C$ 1,095
Thu 31/125:50 p.m. -
1 stop18h 55m
Thu 14/17:00 a.m. -
2 stops23h 58m
Deal found 6/11C$ 1,098
Tue 8/124:05 p.m. -
1 stop14h 15m
Tue 15/126:05 a.m. -
1 stop14h 45m
Deal found 10/11C$ 1,108
Sun 13/125:30 a.m. -
2 stops24h 50m
Fri 25/126:05 a.m. -
1 stop14h 45m
Deal found 8/11C$ 1,115
Sun 13/1210:39 a.m. -
2 stops19h 41m
Wed 23/129:20 a.m. -
1 stop22h 28m
Deal found 6/11C$ 1,129
Thu 3/127:05 p.m. -
1 stop19h 30m
Wed 16/122:20 p.m. -
1 stop35h 50m
Deal found 8/11C$ 1,159

Find flight deals from Seattle to Madrid

Round-trip from

C$ 973

One-way from

C$ 540

Popular in

June

Cheapest in

February

Average price

C$ 1,183
26/11-10/12
  • 26/11-10/12
  • 2 total stops
  • 36h 50m total
  • Seattle to Madrid
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British Airways
  • British Airways
  • 9/3-31/12
  • 1 total stop
  • 13h 45m total
  • Seattle to Madrid
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Highest demand for flights based on searches. 15% potential increase in price (C$ 323 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 52 potential savings vs. average RT price).
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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 round-trip

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Sat 6/3

7:32 p.m.-7:45 a.m.

2 stops27h 13m

Madrid Barajas

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 546

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Fri 9/4

12:15 p.m.-8:05 a.m.

3 stops34h 50m

Madrid Barajas

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 625

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Sat 3/4

9:55 p.m.-9:55 a.m.

1 stop27h 00m

Madrid Barajas

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 648

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Tue 12/1

6:40 p.m.-10:10 p.m.

1 stop18h 30m

Madrid Barajas

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 763

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Thu 7/1

6:40 p.m.-10:35 p.m.

1 stop18h 55m

Madrid Barajas

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 814

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Sat 12/12

10:55 p.m.-7:20 a.m.

1 stop23h 25m

Madrid Barajas

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 832

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Sat 12/12

11:25 p.m.-9:30 a.m.

1 stop25h 05m

Madrid Barajas

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 859
Quickest round-trip

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Fri 11/12

7:00 a.m.-9:30 a.m.

1 stop17h 30m

Madrid Barajas

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 903

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Tue 22/12

11:44 p.m.-7:45 a.m.

2 stops47h 01m

Madrid Barajas

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 947

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Wed 9/12

8:09 a.m.-7:45 a.m.

1 stop14h 36m

Madrid Barajas

Wed 16/12

1:25 p.m.-10:32 p.m.

2 stops42h 07m

C$ 1,095

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/11

Showing 1-10 of 21 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 round-trip 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 47 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, February is the cheapest month in which you can book a flight from Seattle to Madrid (average of C$ 927). Flying from Seattle to Madrid in June is currently the most expensive (average of C$ 1,643). 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 to fly round-trip from Seattle to Madrid?

Airfare is below average for this route at the moment.

Seattle to Madrid flights typically cost between C$ 1,054 and C$ 1,456 in November.
The cheapest round-trip price found within the last 5 days was C$ 973 on Multiple Airlines (26 Nov-10 Dec).

Related info for your journey

  • How long is the flight from Seattle to Madrid?

    A quick flight from Seattle to Madrid can take about 14h 36m. United Airlines provides one of the quickest options available for as low as C$ 1,095. There are 8517 km between Seattle and Madrid. This flight may include one or multiple stops.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Seattle to Madrid (average of C$ 927). Flying from Seattle to Madrid in June is currently the most expensive (average of C$ 1,643). 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

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