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Cheap flights from Madrid, Spain to Seattle from £409

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
29 Apr — 6 May1
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 24 April 2025.

Round-trip from

£489

One-way from

£409

Popular in

July

Cheapest in

February

Average price

£666
23/5-30/5
  • 23/5-30/5
  • 2 total stops
  • 36h 50m total
  • Madrid to Seattle
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24/5
  • 24/5
  • 1 total stop
  • 17h 10m total
  • Madrid to Seattle
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£74 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in April 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 24 April 2025.

Fri 23/507:05MAD - SEA
1 stop17h 00mMultiple Airlines
Fri 30/517:05SEA - MAD
1 stop19h 50mMultiple Airlines
Deal found 23/4£489
Sun 25/518:35MAD - SEA
1 stop28h 15mScandinavian Airlines
Mon 2/616:00SEA - MAD
1 stop35h 10mScandinavian Airlines
Deal found 23/4£530
Mon 29/906:00MAD - SEA
1 stop14h 45mDelta
Mon 6/1009:55SEA - MAD
2 stops20h 40mDelta
Deal found 24/4£580
Thu 8/512:45MAD - SEA
1 stop15h 52mUnited Airlines
Sun 25/523:50SEA - MAD
2 stops21h 50mUnited Airlines
Deal found 24/4£582
Thu 8/517:10MAD - SEA
1 stop27h 30mKLM
Wed 21/514:10SEA - MAD
1 stop14h 30mKLM
Deal found 24/4£584
Thu 8/506:00MAD - SEA
1 stop15h 25mLufthansa
Thu 22/514:15SEA - MAD
1 stop24h 10mLufthansa
Deal found 24/4£594
Sat 3/516:40MAD - SEA
1 stop15h 29mFinnair
Mon 19/517:40SEA - MAD
1 stop17h 25mFinnair
Deal found 23/4£609
Tue 5/813:30MAD - SEA
1 stop17h 40mJetBlue
Wed 27/811:30SEA - MAD
1 stop15h 00mJetBlue
Deal found 23/4£646
Wed 3/910:05MAD - SEA
2 stops19h 49mSWISS
Sun 21/913:45SEA - MAD
2 stops20h 00mSWISS
Deal found 23/4£648
Tue 6/519:55MAD - SEA
1 stop24h 40mBritish Airways
Thu 22/513:30SEA - MAD
1 stop21h 25mBritish Airways
Deal found 24/4£656
Mon 14/712:00MAD - SEA
1 stop31h 35mTurkish Airlines
Mon 8/919:10SEA - MAD
1 stop30h 15mTurkish Airlines
Deal found 23/4£730
Sat 3/510:05MAD - SEA
2 stops22h 05mVirgin Atlantic
Mon 19/507:16SEA - MAD
1 stop15h 34mVirgin Atlantic
Deal found 23/4£796

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 24 April 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

Fri 23/5

07:05-15:05

1 stop17h 00m

Seattle/Tacoma Intl

Fri 30/5

17:05-21:55

1 stop19h 50m

£489

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sun 25/5

18:35-13:50

1 stop28h 15m

Seattle/Tacoma Intl

Mon 2/6

16:00-12:10

1 stop35h 10m

£530

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 29/9

06:00-11:45

1 stop14h 45m

Seattle/Tacoma Intl

Mon 6/10

09:55-15:35

2 stops20h 40m

£580

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 8/5

12:45-19:37

1 stop15h 52m

Seattle/Tacoma Intl

Sun 25/5

23:50-06:40

2 stops21h 50m

£582

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 8/5

17:10-11:40

1 stop27h 30m

Seattle/Tacoma Intl

Wed 21/5

14:10-13:40

1 stop14h 30m

£584

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 8/5

06:00-12:25

1 stop15h 25m

Seattle/Tacoma Intl

Thu 22/5

14:15-23:25

1 stop24h 10m

£594

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 5/8

13:30-22:10

1 stop17h 40m

Seattle/Tacoma Intl

Wed 27/8

11:30-11:30

1 stop15h 00m

£646

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 3/9

10:05-20:54

2 stops19h 49m

Seattle/Tacoma Intl

Sun 21/9

13:45-18:45

2 stops20h 00m

£648

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 6/5

19:55-11:35

1 stop24h 40m

Seattle/Tacoma Intl

Thu 22/5

13:30-19:55

1 stop21h 25m

£656

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 14/7

18:20-10:35

1 stop25h 15m

Seattle/Tacoma Intl

Sun 7/9

19:10-22:30

1 stop18h 20m

£730

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 20 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 18 April 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.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 24 April 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Madrid to Seattle by reading reviews from past customers. 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
7,919 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,919 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,272 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Cathay Pacific
7.5
Good
850 reviews
Delta
8.0
Very Good
7,919 reviews
Check prices

Comfort

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 Scandinavian Airlines is currently your cheapest option to Seattle, with prices starting at £530. Additional return tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at £580 and £582, respectively. Scandinavian Airlines 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 TAP AIR PORTUGAL. According to our data, you can fly for as low as £625. Users have also found prices from £635 and £702 on British Airways and Delta, 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

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