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Cheap flights from Madrid, Spain to Seattle from £409

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
1 set — 8 set1
1 adult

Cheap 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 27 agosto 2025.

Round-trip from

£409

Popular in

August

Cheapest in

February

Average price

£784
17/10-20/10
  • 17/10-20/10
  • 2 total stops
  • 36h 50m total
  • Madrid to Seattle
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Madrid to Seattle

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 27 agosto 2025.

sex 17/1007:05MAD - SEA
1 stop17h 00mMultiple Airlines
seg 20/1017:05SEA - MAD
1 stop19h 50mMultiple Airlines
Deal found 25/8£409
seg 29/907:05MAD - SEA
2 stops26h 01mMultiple Airlines
seg 6/1017:05SEA - MAD
1 stop19h 50mMultiple Airlines
Deal found 25/8£479
sex 12/907:05MAD - SEA
1 stop17h 00mMultiple Airlines
ter 16/911:20SEA - MAD
2 stops25h 35mMultiple Airlines
Deal found 27/8£519
seg 6/1007:05MAD - SEA
1 stop17h 00mMultiple Airlines
seg 20/1008:00SEA - MAD
2 stops28h 55mMultiple Airlines
Deal found 25/8£522
seg 8/913:30MAD - SEA
1 stop29h 49mJetBlue
dom 21/911:30SEA - MAD
1 stop15h 00mJetBlue
Deal found 25/8£573
ter 30/907:05MAD - SEA
2 stops21h 09mMultiple Airlines
sex 3/1017:05SEA - MAD
1 stop19h 50mMultiple Airlines
Deal found 26/8£576
seg 29/906:00MAD - SEA
1 stop14h 55mUnited Airlines
seg 6/1008:00SEA - MAD
1 stop15h 05mUnited Airlines
Deal found 26/8£583

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 27 agosto 2025.
Use the filters below to find and compare flights from Madrid to Seattle that are best for you.

Fly from

Madrid

Fly to

Seattle

Route

Depart

Return

Price

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

sex 17/10

07:05-15:05

1 stop17h 00m

Seattle/Tacoma Intl

seg 20/10

17:05-21:55

1 stop19h 50m

£409

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

seg 29/9

07:05-00:06

2 stops26h 01m

Seattle/Tacoma Intl

seg 6/10

17:05-21:55

1 stop19h 50m

£479

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

sex 12/9

07:05-15:05

1 stop17h 00m

Seattle/Tacoma Intl

ter 16/9

11:20-21:55

2 stops25h 35m

£519

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

seg 6/10

07:05-15:05

1 stop17h 00m

Seattle/Tacoma Intl

seg 20/10

08:00-21:55

2 stops28h 55m

£522

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

sáb 1/11

07:05-16:40

1 stop17h 35m

Seattle/Tacoma Intl

sáb 15/11

17:40-21:55

1 stop19h 15m

£522

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

seg 23/2

12:00-16:55

1 stop13h 55m

Seattle/Tacoma Intl

seg 9/3

19:50-20:00

1 stop16h 10m

£543

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

seg 23/2

08:25-00:31

2 stops25h 06m

Seattle/Tacoma Intl

dom 8/3

08:00-08:05

1 stop16h 05m

£543

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

seg 8/9

13:30-10:19

1 stop29h 49m

Seattle/Tacoma Intl

dom 21/9

11:30-11:30

1 stop15h 00m

£573

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

ter 27/1

06:00-14:20

2 stops41h 20m

£439

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

sex 7/11

14:25-17:05

1 stop35h 40m

£544

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 19 results
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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?

Use this chart to determine the optimal time to book a return flight from Madrid to Seattle. Price data was last updated on 22 August 2025.

Booking 13 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, January is the cheapest month in which you can book a flight from Madrid to Seattle (average of £622). Flying from Madrid to Seattle in July is currently the most expensive (average of £946). 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.

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.

  • What are the cheapest airlines to fly from Madrid to Seattle one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £439. Users have also found prices from £544 and £568 on Turkish Airlines and TAP AIR PORTUGAL, respectively.

  • 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, January is the cheapest month in which you can book a flight from Madrid to Seattle (average of £622). Flying from Madrid to Seattle in July is currently the most expensive (average of £946). 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
Leavenworth
Bothell
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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