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Cheap flights from Madrid, Spain to Seattle from £458

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
16 Jul — 23 Jul1
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 11 July 2025.

Round-trip from

£492

One-way from

£458

Popular in

August

Cheapest in

February

Average price

£716
27/8-8/9
  • 27/8-8/9
  • 3 total stops
  • 39h 24m total
  • Madrid to Seattle
Search Deals
JetBlue
  • JetBlue
  • 31/8
  • 1 total stop
  • 17h 35m total
  • Madrid to Seattle
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£64 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 July 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 11 July 2025.

Wed 27/807:05MAD - SEA
2 stops21h 04mMultiple Airlines
Mon 8/918:35SEA - MAD
1 stop18h 20mMultiple Airlines
Deal found 9/7£492
Tue 2/913:30MAD - SEA
1 stop17h 29mJetBlue
Mon 22/911:30SEA - MAD
1 stop15h 00mJetBlue
Deal found 11/7£520
Tue 9/912:55MAD - SEA
1 stop33h 55mScandinavian Airlines
Sun 12/1016:20SEA - MAD
1 stop34h 50mScandinavian Airlines
Deal found 11/7£528
Thu 11/906:00MAD - SEA
1 stop14h 55mLufthansa
Fri 10/1018:50SEA - MAD
1 stop13h 45mLufthansa
Deal found 11/7£566
Mon 8/913:45MAD - SEA
1 stop17h 19mBritish Airways
Thu 9/1013:35SEA - MAD
2 stops21h 20mBritish Airways
Deal found 11/7£584
Mon 29/906:00MAD - SEA
2 stops19h 40mDelta
Mon 6/1011:25SEA - MAD
2 stops20h 20mDelta
Deal found 10/7£587
Mon 29/913:00MAD - SEA
1 stop17h 58mFinnair
Mon 6/1007:44SEA - MAD
1 stop16h 21mFinnair
Deal found 9/7£595
Wed 10/906:00MAD - SEA
2 stops17h 16mUnited Airlines
Sun 12/1008:00SEA - MAD
1 stop15h 05mUnited Airlines
Deal found 11/7£597

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 11 July 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

Wed 27/8

07:05-19:09

2 stops21h 04m

Seattle/Tacoma Intl

Mon 8/9

18:35-21:55

1 stop18h 20m

£492

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 2/9

13:30-21:59

1 stop17h 29m

Seattle/Tacoma Intl

Mon 22/9

11:30-11:30

1 stop15h 00m

£520

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 9/9

12:55-13:50

1 stop33h 55m

Seattle/Tacoma Intl

Sun 12/10

16:20-12:10

1 stop34h 50m

£528

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 11/9

06:00-11:55

1 stop14h 55m

Seattle/Tacoma Intl

Fri 10/10

18:50-17:35

1 stop13h 45m

£566

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 8/9

13:45-22:04

1 stop17h 19m

Seattle/Tacoma Intl

Thu 9/10

13:35-19:55

2 stops21h 20m

£584

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 29/9

06:00-16:40

2 stops19h 40m

Seattle/Tacoma Intl

Mon 6/10

11:25-16:45

2 stops20h 20m

£587

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 29/9

13:00-21:58

1 stop17h 58m

Seattle/Tacoma Intl

Mon 6/10

07:44-09:05

1 stop16h 21m

£595

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 10/9

06:00-14:16

2 stops17h 16m

Seattle/Tacoma Intl

Sun 12/10

08:00-08:05

1 stop15h 05m

£597

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sun 31/8

13:30-22:05

1 stop17h 35m

£458

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 3/9

11:05-10:19

3 stops32h 14m

£587

Flights are sorted by cheapest return flights first.

Deals found on 11/7

Showing 1-10 of 13 results
1
2

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 27 June 2025.

Booking 78 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.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 11 July 2025.
Read reviews from past customers who have flown with Delta, KLM, andFinnair from Madrid to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
Delta
8.0
Very Good
7,951 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
KLM
7.8
Good
1,372 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
Finnair
7.6
Good
1,312 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
United Airlines
7.4
Good
8,848 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
JetBlue
7.3
Good
2,913 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.

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 flying from Madrid to Seattle round-trip?

    Flying on JetBlue is currently your cheapest option to Seattle, with prices starting at £520. Additional return tickets that might be worth considering are offered by Scandinavian Airlines and Lufthansa, with the lowest prices starting at £528 and £566, respectively. JetBlue is currently priced 19% below the average price you’ll pay for this route.

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

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as £458. Users have also found prices from £587 and £613 on TAP AIR PORTUGAL and KLM, 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 Madrid?

Book flights to Madrid if you plan to visit one of these locations
Tacoma
Leavenworth
Bothell
SeaTac

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