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Cheap flights from Madrid, Spain to Seattle from £391

MAD — SEA
5 Oct — 12 Oct1
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

Tue 13/1007:00 -
1 stop17h 40m
Sun 25/1017:15 -
1 stop20h 30m
Deal found 2/9£566
Wed 4/1106:05 -
1 stop14h 42m
Wed 11/1111:45 -
2 stops18h 35m
Deal found 3/9£627
Wed 23/1219:25 -
1 stop25h 00m
Sat 23/113:40 -
1 stop14h 10m
Deal found 4/9£628
Wed 4/1119:25 -
1 stop25h 00m
Wed 11/1118:45 -
1 stop13h 20m
Deal found 31/8£630
Thu 17/907:00 -
2 stops25h 12m
Sun 27/917:40 -
1 stop19h 15m
Deal found 5/9£645
Thu 24/919:35 -
1 stop27h 10m
Fri 2/1015:55 -
2 stops35h 05m
Deal found 1/9£662
Tue 22/906:00 -
1 stop14h 47m
Sat 24/1013:30 -
1 stop14h 00m
Deal found 4/9£679

Find flight deals from Madrid to Seattle

Round-trip from

£566

One-way from

£391

Popular in

December

Cheapest in

February

Average price

£706
13/10-25/10
  • 13/10-25/10
  • 2 total stops
  • 38h 10m total
  • Madrid to Seattle
Search Deals
JetBlue
  • JetBlue
  • 19/10-31/12
  • 1 total stop
  • 18h 12m total
  • Madrid to Seattle
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£32 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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

Tue 20/10

13:30-22:42

1 stop18h 12m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£391

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Mon 19/10

13:30-22:42

1 stop18h 12m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£391

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Fri 16/10

13:30-22:42

1 stop18h 12m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£401
Fastest return journey

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Wed 4/11

06:05-11:47

1 stop14h 42m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£442

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Thu 5/11

06:05-11:47

1 stop14h 42m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£442

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Fri 27/11

06:05-11:47

1 stop14h 42m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£442

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Sun 1/11

06:05-12:47

1 stop14h 42m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£443

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Fri 6/11

06:05-11:47

1 stop14h 42m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£444

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Sat 24/10

06:00-11:52

1 stop14h 52m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£444

MadridSeattle

MAD Madrid Barajas - SEA Seattle/Tacoma Intl

MADSEA

Madrid Barajas

Tue 20/10

15:35-20:09

1 stop37h 34m

Seattle/Tacoma Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£447

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 18 resultsSorted by cheapest first
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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 £613). Flying from Madrid to Seattle in December is currently the most expensive (average of £823). 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 £654 and £771 in October.
The cheapest return price found within the last 5 days was £566 on Multiple Airlines (13 Oct–25 Oct).

Related info for your journey

  • How long is the flight from Madrid to Seattle?

    Airlines like Delta and British Airways fly from Madrid to Seattle in about 14h 45m. The time it takes to get you to your destination can typically vary by up to 3h 53m. Airlines will cover a distance of 5292 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 £613). Flying from Madrid to Seattle in December is currently the most expensive (average of £823). 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

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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.

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