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Cheap flights from Madrid, Spain to Seattle from £445

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
5 Jul — 12 Jul1
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 5 June 2026.

Fri 19/614:05
MAD
-
SEA
1 stop17h 44m
JetBlue
Thu 2/711:45
SEA
-
MAD
1 stop14h 45m
JetBlue
Deal found 4/6£558
Wed 30/913:35
MAD
-
SEA
1 stop19h 36m
British Airways
Sun 4/1015:42
SEA
-
MAD
1 stop32h 23m
British Airways
Deal found 4/6£631
Thu 3/907:05
MAD
-
SEA
2 stops20h 46m
Multiple Airlines
Sun 13/917:40
SEA
-
MAD
1 stop19h 15m
Multiple Airlines
Deal found 31/5£634
Thu 24/912:05
MAD
-
SEA
1 stop15h 20m
British Airways
Fri 2/1013:30
SEA
-
MAD
1 stop17h 20m
British Airways
Deal found 4/6£635
Thu 3/913:35
MAD
-
SEA
1 stop19h 00m
British Airways
Sat 12/913:30
SEA
-
MAD
1 stop17h 20m
British Airways
Deal found 3/6£636
Wed 17/607:05
MAD
-
SEA
2 stops23h 53m
Multiple Airlines
Thu 23/718:05
SEA
-
MAD
1 stop18h 50m
Multiple Airlines
Deal found 3/6£648
Thu 17/919:35
MAD
-
SEA
1 stop27h 10m
Scandinavian Airlines
Fri 25/915:55
SEA
-
MAD
2 stops35h 05m
Scandinavian Airlines
Deal found 3/6£648
Thu 3/907:05
MAD
-
SEA
2 stops20h 46m
Multiple Airlines
Sat 12/918:15
SEA
-
MAD
1 stop18h 40m
Multiple Airlines
Deal found 4/6£657
Sat 20/607:05
MAD
-
SEA
2 stops21h 46m
Multiple Airlines
Sun 28/617:40
SEA
-
MAD
1 stop19h 15m
Multiple Airlines
Deal found 3/6£659
Thu 3/906:05
MAD
-
SEA
1 stop14h 50m
Lufthansa
Wed 19/518:50
SEA
-
MAD
1 stop13h 50m
Lufthansa
Deal found 4/6£664
Fri 4/906:00
MAD
-
SEA
1 stop14h 55m
Lufthansa
Sun 13/914:10
SEA
-
MAD
1 stop16h 50m
Lufthansa
Deal found 1/6£678

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 5 June 2026.

Round-trip from

£558

One-way from

£445

Popular in

December

Cheapest in

October

Average price

£741
JetBlue
  • JetBlue
  • 19/6-2/7
  • 2 total stops
  • 32h 29m total
  • Madrid to Seattle
Search Deals
British Airways
  • British Airways
  • 19/11
  • 1 total stop
  • 13h 55m total
  • Madrid to Seattle
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£27 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 5 June 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 30/9

13:35-00:11

1 stop19h 36m

Seattle/Tacoma Intl

Sun 4/10

15:42-09:05

1 stop32h 23m

£631

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 3/9

13:35-23:35

1 stop19h 00m

Seattle/Tacoma Intl

Sat 12/9

13:30-15:50

1 stop17h 20m

£636

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 19/6

18:30-13:45

1 stop28h 15m

Seattle/Tacoma Intl

Sat 5/9

15:55-12:00

1 stop35h 05m

£758

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 1/7

07:05-22:41

2 stops24h 36m

Seattle/Tacoma Intl

Tue 21/7

18:05-21:55

1 stop18h 50m

£767

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 27/6

14:05-10:35

1 stop29h 30m

Seattle/Tacoma Intl

Sun 12/7

23:46-11:30

1 stop26h 44m

£802

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 27/6

07:05-19:51

2 stops21h 46m

Seattle/Tacoma Intl

Sun 12/7

08:53-21:55

2 stops28h 02m

£804

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 26/6

14:40-10:40

1 stop29h 00m

Seattle/Tacoma Intl

Sat 11/7

12:35-16:55

1 stop19h 20m

£811

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 20/6

21:00-11:35

1 stop23h 35m

Seattle/Tacoma Intl

Sat 5/9

20:20-20:05

1 stop14h 45m

£813
Fastest return journey

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 20/7

06:00-11:33

1 stop14h 33m

Seattle/Tacoma Intl

Tue 4/8

07:15-11:20

2 stops19h 05m

£824

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 1/7

05:55-23:44

2 stops26h 49m

Seattle/Tacoma Intl

Tue 21/7

05:00-09:00

2 stops19h 00m

£824

Flights are sorted by cheapest return flights first.

Deals found on 31/5

Showing 1-10 of 17 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
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 £582). Flying from Madrid to Seattle in December is currently the most expensive (average of £782). 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?

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 and Scandinavian Airlines fly from Madrid to Seattle in about 19h 36m. The time it takes to get you to your destination can typically vary by up to 8h 39m. 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 £582). Flying from Madrid to Seattle in December is currently the most expensive (average of £782). 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
Tacoma
Federal Way
SeaTac

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

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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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