Find flights
When to book
FAQs

Cheap flights from Madrid, Spain to Seattle from £399

MAD — SEA
2 Nov — 9 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Madrid to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Madrid to Seattle

Sun 15/1107:00 -
1 stop15h 05m
Sun 22/1115:00 -
1 stop21h 45m
Deal found 1/10£507
Mon 16/1107:00 -
2 stops23h 59m
Sun 29/1115:00 -
1 stop21h 45m
Deal found 2/10£589
Sun 8/1118:00 -
1 stop32h 10m
Sun 22/1119:05 -
1 stop19h 30m
Deal found 29/9£590
Sat 14/1111:55 -
1 stop38h 15m
Sat 21/1119:05 -
1 stop30h 20m
Deal found 30/9£598
Wed 4/1114:20 -
1 stop36h 50m
Wed 11/1119:05 -
1 stop30h 20m
Deal found 1/10£602
Mon 16/1107:00 -
2 stops23h 59m
Mon 23/1117:50 -
1 stop18h 55m
Deal found 2/10£607
Thu 12/1107:00 -
2 stops22h 05m
Mon 30/1117:50 -
1 stop18h 55m
Deal found 2/10£641
Sun 8/1119:30 -
3 stops30h 30m
Sun 22/1114:35 -
2 stops19h 25m
Deal found 29/9£647

Find flight deals from Madrid to Seattle

Round-trip from

£456

One-way from

£399

Popular in

July

Cheapest in

February

Average price

£717
15/2-18/2
  • 15/2-18/2
  • 2 total stops
  • 36h 50m total
  • Madrid to Seattle
Search Deals
JetBlue
  • JetBlue
  • 21/10-31/12
  • 1 total stop
  • 18h 12m total
  • Madrid to Seattle
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£62 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Wed 21/10

13:30-22:42

1 stop18h 12m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£399

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Wed 24/2

20:30-11:47

1 stop24h 17m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£422
Fastest return journey

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Thu 26/11

06:05-11:47

1 stop14h 42m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£450

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Thu 17/12

06:05-11:50

1 stop14h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£452

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Mon 8/2

07:00-15:55

1 stop17h 55m

Seattle/Tacoma Intl

Sun 14/2

15:00-21:45

1 stop21h 45m

£456

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Wed 30/12

13:15-22:17

1 stop18h 02m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£461

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Mon 28/12

21:00-11:25

1 stop23h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£464

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Mon 19/10

07:40-22:56

2 stops48h 16m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£554

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Fri 30/10

18:00-15:32

2 stops29h 32m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£576

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Mon 16/11

07:00-21:59

2 stops23h 59m

Seattle/Tacoma Intl

Sun 29/11

15:00-21:45

1 stop21h 45m

£589

Flights are sorted by cheapest return flights first.

Deals found on 29/9

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Madrid to Seattle

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

Cheapflights Insights

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

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

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Madrid to Seattle. 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 Madrid to Seattle?

Currently, February is the cheapest month in which you can book a flight from Madrid to Seattle (average of £627). Flying from Madrid to Seattle in July is currently the most expensive (average of £840). 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 Madrid to Seattle?

Airfare is below average for this route at the moment.

Madrid to Seattle flights typically cost between £709 and £819 in February.
The cheapest return price found within the last 5 days was £456 on Multiple Airlines (8 Feb–14 Feb).

Related info for your journey

  • How long is the flight from Madrid to Seattle?

    Airlines like Turkish Airlines fly from Madrid to Seattle in about 35h 50m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 5292 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Madrid to Seattle 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 Madrid to Seattle?

    Currently, February is the cheapest month in which you can book a flight from Madrid to Seattle (average of £627). Flying from Madrid to Seattle in July is currently the most expensive (average of £840). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Federal Way
SeaTac

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Madrid to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Madrid to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Madrid to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from Madrid to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.