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Cheap flights from Madrid, Spain to Seattle from £281

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
28 Aug — 4 Sep1
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
Explore the most affordable flight options available from Madrid to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2026.

Thu 10/912:05
MAD
-
SEA
1 stop15h 20m
British Airways
Mon 14/913:30
SEA
-
MAD
1 stop19h 00m
British Airways
Deal found 26/7£559
Thu 27/812:40
MAD
-
SEA
1 stop21h 10m
British Airways
Wed 9/913:30
SEA
-
MAD
1 stop35h 10m
British Airways
Deal found 27/7£560
Thu 3/910:30
MAD
-
SEA
1 stop16h 55m
British Airways
Wed 16/913:30
SEA
-
MAD
1 stop35h 10m
British Airways
Deal found 24/7£560
Wed 9/912:40
MAD
-
SEA
1 stop18h 12m
British Airways
Wed 16/907:51
SEA
-
MAD
1 stop16h 14m
British Airways
Deal found 25/7£569
Sat 29/812:40
MAD
-
SEA
1 stop18h 46m
British Airways
Mon 7/920:20
SEA
-
MAD
1 stop14h 50m
British Airways
Deal found 26/7£572
Thu 24/912:40
MAD
-
SEA
1 stop18h 12m
British Airways
Fri 2/1013:30
SEA
-
MAD
1 stop19h 40m
British Airways
Deal found 25/7£572
Tue 22/911:45
MAD
-
SEA
1 stop18h 51m
British Airways
Sat 24/1013:30
SEA
-
MAD
1 stop13h 30m
British Airways
Deal found 24/7£573
Mon 7/910:15
MAD
-
SEA
1 stop14h 45m
Finnair
Fri 18/913:40
SEA
-
MAD
1 stop14h 50m
Finnair
Deal found 24/7£575
Thu 3/907:00
MAD
-
SEA
2 stops20h 51m
Multiple Airlines
Mon 14/918:10
SEA
-
MAD
1 stop18h 45m
Multiple Airlines
Deal found 25/7£579
Fri 4/914:05
MAD
-
SEA
1 stop31h 20m
JetBlue
Sun 20/923:42
SEA
-
MAD
1 stop26h 48m
JetBlue
Deal found 29/7£603

Find flight deals from Madrid to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Madrid (MAD) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 July 2026.

Round-trip from

£559

One-way from

£281

Popular in

December

Cheapest in

October

Average price

£836
British Airways
  • British Airways
  • 10/9-14/9
  • 2 total stops
  • 34h 20m total
  • Madrid to Seattle
Search Deals
JetBlue
  • JetBlue
  • 3/9
  • 1 total stop
  • 17h 43m total
  • Madrid to Seattle
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£39 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 July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Madrid to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 July 2026.
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 - SEA

MADSEA

Madrid Barajas

Wed 9/9

12:40-21:52

1 stop18h 12m

Seattle/Tacoma Intl

Wed 16/9

07:51-09:05

1 stop16h 14m

£569

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 22/9

11:45-21:36

1 stop18h 51m

Seattle/Tacoma Intl

Sat 24/10

13:30-12:00

1 stop13h 30m

£573

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 4/9

14:05-12:25

1 stop31h 20m

Seattle/Tacoma Intl

Sun 20/9

23:42-11:30

1 stop26h 48m

£603

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 31/8

06:00-11:37

1 stop14h 37m

Seattle/Tacoma Intl

Mon 14/9

18:45-19:15

1 stop15h 30m

£663

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 11/9

10:25-16:35

1 stop15h 10m

Seattle/Tacoma Intl

Fri 18/9

07:15-11:20

2 stops19h 05m

£664

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 4/9

06:00-16:54

2 stops19h 54m

Seattle/Tacoma Intl

Sun 20/9

13:30-15:35

1 stop17h 05m

£669

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 1/9

05:55-11:55

1 stop15h 00m

Seattle/Tacoma Intl

Wed 16/9

23:00-08:05

2 stops24h 05m

£685
Fastest return journey

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 10/9

06:05-11:55

1 stop14h 50m

Seattle/Tacoma Intl

Wed 23/9

08:10-08:05

1 stop14h 55m

£685
Cheapest one-way

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 4/9

14:05-22:49

1 stop17h 44m

£281

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 16/9

13:30-22:37

1 stop18h 07m

£378

Flights are sorted by cheapest return flights first.

Deals found on 25/7

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, October is the cheapest month in which you can book a flight from Madrid to Seattle (average of £591). Flying from Madrid to Seattle in December is currently the most expensive (average of £839). 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 £696 and £952 in September.
The cheapest return price found within the last 5 days was £559 on British Airways (10 Sept–23 Sept).

Related info for your journey

Find useful and relevant information for your journey from Madrid to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Madrid to Seattle?

    Airlines like British Airways, JetBlue, and Delta fly from Madrid to Seattle in about 14h 37m. The time it takes to get you to your destination can typically vary by up to 16h 43m. 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, October is the cheapest month in which you can book a flight from Madrid to Seattle (average of £591). Flying from Madrid to Seattle in December is currently the most expensive (average of £839). 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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