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Cheap flights from Seattle to Madrid, Spain from C$ 444

SEA — MAD
26 Oct — 2 Nov1
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

Tue 24/112:35 p.m. -
1 stop16h 30m
Sun 6/1210:50 a.m. -
1 stop34h 00m
Deal found 23/9C$ 975
Wed 18/117:38 a.m. -
2 stops18h 52m
Mon 23/1110:00 a.m. -
2 stops22h 00m
Deal found 24/9C$ 979
Thu 26/117:15 a.m. -
2 stops17h 40m
Mon 7/128:30 p.m. -
1 stop24h 20m
Deal found 23/9C$ 980
Fri 13/118:09 a.m. -
1 stop14h 36m
Sun 22/116:05 a.m. -
1 stop14h 55m
Deal found 23/9C$ 983
Sat 31/105:05 a.m. -
2 stops17h 55m
Sat 14/116:05 a.m. -
1 stop14h 55m
Deal found 23/9C$ 987
Thu 26/118:09 a.m. -
1 stop14h 36m
Sun 6/1211:00 a.m. -
1 stop19h 01m
Deal found 23/9C$ 989
Fri 27/116:30 a.m. -
1 stop18h 00m
Sun 6/126:05 a.m. -
1 stop14h 55m
Deal found 23/9C$ 990
Fri 27/115:35 a.m. -
2 stops16h 45m
Thu 10/121:05 p.m. -
1 stop31h 45m
Deal found 23/9C$ 992
Sat 31/107:00 a.m. -
2 stops16h 45m
Sun 8/1111:00 a.m. -
2 stops36h 39m
Deal found 21/9C$ 996
Wed 25/117:00 a.m. -
2 stops15h 45m
Sun 6/126:05 a.m. -
1 stop14h 55m
Deal found 23/9C$ 997
Fri 2/1011:08 p.m. -
1 stop22h 12m
Sat 10/102:35 p.m. -
1 stop29h 45m
Deal found 24/9C$ 1,001
Thu 22/1011:13 p.m. -
2 stops23h 52m
Thu 29/1011:00 a.m. -
3 stops41h 47m
Deal found 23/9C$ 1,004

Find flight deals from Seattle to Madrid

Round-trip from

C$ 975

One-way from

C$ 444

Popular in

June

Cheapest in

February

Average price

C$ 1,361
Delta
  • Delta
  • 24/11-6/12
  • 2 total stops
  • 50h 30m total
  • Seattle to Madrid
Search Deals
8/11-31/12
  • 8/11-31/12
  • 2 total stops
  • 36h 30m total
  • Seattle to Madrid
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 362 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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

Fri 6/11

2:35 p.m.-11:35 p.m.

3 stops24h 00m

Madrid Barajas

Wed 31/12

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

Nonstop0h 00m

C$ 485

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Mon 26/10

7:40 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$ 624

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Wed 21/10

6:00 a.m.-9:30 a.m.

2 stops18h 30m

Madrid Barajas

Wed 31/12

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

Nonstop0h 00m

C$ 668

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Wed 2/12

6:45 p.m.-10:35 p.m.

1 stop18h 50m

Madrid Barajas

Wed 31/12

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

Nonstop0h 00m

C$ 711

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Sat 17/10

11:10 p.m.-6:20 a.m.

1 stop22h 10m

Madrid Barajas

Wed 31/12

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

Nonstop0h 00m

C$ 720
Quickest round-trip

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Thu 3/12

6:45 p.m.-7:20 p.m.

1 stop15h 35m

Madrid Barajas

Wed 31/12

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

Nonstop0h 00m

C$ 762

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Thu 19/11

1:50 p.m.-4:20 p.m.

1 stop17h 30m

Madrid Barajas

Thu 3/12

1:25 p.m.-10:43 p.m.

2 stops42h 18m

C$ 1,066

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Tue 20/10

9:40 p.m.-10:10 p.m.

1 stop15h 30m

Madrid Barajas

Mon 26/10

7:40 a.m.-6:05 p.m.

1 stop18h 25m

C$ 1,072

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Fri 13/11

7:15 a.m.-7:20 a.m.

1 stop15h 05m

Madrid Barajas

Mon 23/11

8:30 p.m.-11:47 a.m.

1 stop24h 17m

C$ 1,119

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Sun 13/12

6:45 p.m.-1:35 p.m.

1 stop33h 50m

Madrid Barajas

Sun 10/1

2:40 p.m.-4:50 p.m.

1 stop35h 10m

C$ 1,130

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/9

Showing 1-10 of 19 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 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, February is the cheapest month in which you can book a flight from Seattle to Madrid (average of C$ 830). Flying from Seattle to Madrid in June is currently the most expensive (average of C$ 1,642). 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 typical for this route at the moment.

Seattle to Madrid flights typically cost between C$ 888 and C$ 1,209 in March.
The cheapest round-trip price found within the last 5 days was C$ 975 on United Airlines (10 Mar-22 Mar).

Related info for your journey

  • How long is the flight from Seattle to Madrid?

    A quick flight from Seattle to Madrid can take about 15h 05m. United Airlines provides one of the quickest options available for as low as C$ 1,119. 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$ 830). Flying from Seattle to Madrid in June is currently the most expensive (average of C$ 1,642). 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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Why should you use Cheapflights to find cheap flight tickets from Seattle to Madrid?

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