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Cheap flights from Madrid, Spain to Seattle from £380

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
21 Jun — 28 Jun1
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 22 May 2026.

Thu 28/507:05
MAD
-
SEA
2 stops24h 22m
Multiple Airlines
Wed 10/617:40
SEA
-
MAD
1 stop19h 15m
Multiple Airlines
Deal found 20/5£589
Sun 14/614:05
MAD
-
SEA
1 stop17h 44m
JetBlue
Fri 10/711:45
SEA
-
MAD
1 stop14h 45m
JetBlue
Deal found 22/5£607
Sun 14/614:05
MAD
-
SEA
1 stop17h 44m
JetBlue
Wed 15/711:45
SEA
-
MAD
1 stop14h 45m
JetBlue
Deal found 22/5£628
Sat 5/907:05
MAD
-
SEA
2 stops20h 46m
Multiple Airlines
Mon 14/918:10
SEA
-
MAD
1 stop18h 45m
Multiple Airlines
Deal found 21/5£640
Sun 14/614:05
MAD
-
SEA
1 stop17h 44m
JetBlue
Thu 16/711:45
SEA
-
MAD
1 stop14h 45m
JetBlue
Deal found 22/5£653
Mon 15/614:05
MAD
-
SEA
1 stop17h 44m
JetBlue
Fri 10/711:45
SEA
-
MAD
1 stop14h 45m
JetBlue
Deal found 22/5£654
Thu 18/614:05
MAD
-
SEA
1 stop17h 44m
JetBlue
Fri 10/711:45
SEA
-
MAD
1 stop14h 45m
JetBlue
Deal found 22/5£663
Wed 3/605:55
MAD
-
SEA
2 stops17h 25m
Lufthansa
Wed 10/618:50
SEA
-
MAD
1 stop13h 50m
Lufthansa
Deal found 18/5£666
Thu 4/607:05
MAD
-
SEA
2 stops22h 50m
Multiple Airlines
Thu 11/618:05
SEA
-
MAD
1 stop18h 50m
Multiple Airlines
Deal found 18/5£667
Tue 9/605:55
MAD
-
SEA
1 stop15h 25m
Lufthansa
Tue 16/618:50
SEA
-
MAD
1 stop13h 50m
Lufthansa
Deal found 19/5£674
Thu 11/607:05
MAD
-
SEA
2 stops25h 02m
Multiple Airlines
Wed 12/817:40
SEA
-
MAD
1 stop19h 15m
Multiple Airlines
Deal found 21/5£674

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 22 May 2026.

Round-trip from

£607

One-way from

£380

Popular in

December

Cheapest in

October

Average price

£626
JetBlue
  • JetBlue
  • 14/6-14/7
  • 2 total stops
  • 32h 29m total
  • Madrid to Seattle
Search Deals
JetBlue
  • JetBlue
  • 15/9
  • 1 total stop
  • 18h 08m total
  • Madrid to Seattle
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£26 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 May 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 22 May 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

Sun 14/6

14:05-22:49

1 stop17h 44m

Seattle/Tacoma Intl

Wed 15/7

11:45-11:30

1 stop14h 45m

£628

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 6/7

07:05-18:33

2 stops20h 28m

Seattle/Tacoma Intl

Mon 13/7

18:10-21:55

1 stop18h 45m

£683
Fastest return journey

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 15/10

06:05-12:20

1 stop15h 15m

Seattle/Tacoma Intl

Sun 18/10

08:10-08:05

1 stop14h 55m

£686

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 17/6

05:55-18:30

2 stops21h 35m

Seattle/Tacoma Intl

Sat 11/7

08:15-08:05

1 stop14h 50m

£686

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

Fri 17/7

14:05-22:49

1 stop17h 44m

Seattle/Tacoma Intl

Tue 4/8

11:45-11:30

1 stop14h 45m

£788

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 26/6

18:25-10:40

1 stop25h 15m

Seattle/Tacoma Intl

Sat 11/7

19:15-22:35

1 stop18h 20m

£808

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sun 14/6

08:15-16:59

2 stops17h 44m

Seattle/Tacoma Intl

Sun 28/6

14:10-19:50

1 stop20h 40m

£815

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 18/6

06:05-14:22

2 stops17h 17m

Seattle/Tacoma Intl

Sun 21/6

18:48-09:00

2 stops29h 12m

£817

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 5/6

06:00-12:20

1 stop15h 20m

Seattle/Tacoma Intl

Sun 21/6

14:10-19:50

1 stop20h 40m

£820

Flights are sorted by cheapest return flights first.

Deals found on 22/5

Showing 1-10 of 21 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 75 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 JetBlue, United Airlines, 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 3h 07m. 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?

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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