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Cheap flights from Madrid, Spain to Seattle from £290

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
25 Mar — 1 Apr1
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 20 March 2025.

Round-trip from

£508

One-way from

£290

Popular in

July

Cheapest in

February

Average price

£590
Finnair
  • Finnair
  • 15/5-28/5
  • 2 total stops
  • 32h 10m total
  • Madrid to Seattle
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12/6
  • 12/6
  • 2 total stops
  • 20h 28m total
  • Madrid to Seattle
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£89 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
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Average for round-trip flights in March 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 20 March 2025.

Thu 15/510:15MAD - SEA
1 stop14h 45mFinnair
Wed 28/517:40SEA - MAD
1 stop17h 25mFinnair
Deal found 20/3£508
Mon 29/907:05MAD - SEA
2 stops20h 50mMultiple Airlines
Mon 6/1017:05SEA - MAD
1 stop19h 50mMultiple Airlines
Deal found 20/3£513
Wed 7/506:00MAD - SEA
2 stops17h 13mUnited Airlines
Sat 17/507:20SEA - MAD
1 stop14h 20mUnited Airlines
Deal found 20/3£564
Wed 21/506:00MAD - SEA
1 stop18h 50mDelta
Mon 26/518:35SEA - MAD
1 stop13h 10mDelta
Deal found 20/3£598
Tue 8/407:05MAD - SEA
1 stop17h 55mKLM
Thu 24/414:10SEA - MAD
1 stop17h 15mKLM
Deal found 19/3£601
Wed 30/407:10MAD - SEA
1 stop18h 49mLufthansa
Fri 9/518:50SEA - MAD
1 stop18h 35mLufthansa
Deal found 20/3£611
Thu 8/510:05MAD - SEA
2 stops20h 26mSWISS
Thu 22/514:50SEA - MAD
2 stops57h 30mSWISS
Deal found 19/3£613
Thu 12/613:30MAD - SEA
1 stop17h 40mJetBlue
Fri 20/611:30SEA - MAD
1 stop15h 00mJetBlue
Deal found 20/3£670
Wed 2/410:05MAD - SEA
2 stops20h 51mVirgin Atlantic
Sat 5/422:59SEA - MAD
2 stops25h 36mVirgin Atlantic
Deal found 19/3£674
Fri 15/818:20MAD - SEA
1 stop25h 15mTurkish Airlines
Thu 28/812:30SEA - MAD
1 stop19h 20mTurkish Airlines
Deal found 20/3£713
Mon 9/619:55MAD - SEA
1 stop24h 15mBritish Airways
Fri 20/620:20SEA - MAD
1 stop14h 45mBritish Airways
Deal found 20/3£802

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 20 March 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

Thu 15/5

10:15-16:00

1 stop14h 45m

Seattle/Tacoma Intl

Wed 28/5

17:40-20:05

1 stop17h 25m

£508

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 7/5

06:00-14:13

2 stops17h 13m

Seattle/Tacoma Intl

Sat 17/5

07:20-06:40

1 stop14h 20m

£564

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 21/5

06:00-15:50

1 stop18h 50m

Seattle/Tacoma Intl

Mon 26/5

18:35-16:45

1 stop13h 10m

£598

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 8/4

07:05-16:00

1 stop17h 55m

Seattle/Tacoma Intl

Thu 24/4

14:10-16:25

1 stop17h 15m

£601

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 30/4

07:10-16:59

1 stop18h 49m

Seattle/Tacoma Intl

Fri 9/5

18:50-22:25

1 stop18h 35m

£611

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 8/5

10:05-21:31

2 stops20h 26m

Seattle/Tacoma Intl

Thu 22/5

14:50-09:20

2 stops57h 30m

£613

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 21/8

07:05-15:05

1 stop17h 00m

Seattle/Tacoma Intl

Tue 26/8

08:05-21:55

2 stops28h 50m

£631

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 12/6

13:30-22:10

1 stop17h 40m

Seattle/Tacoma Intl

Fri 20/6

11:30-11:30

1 stop15h 00m

£670

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 2/4

10:05-21:56

2 stops20h 51m

Seattle/Tacoma Intl

Sat 5/4

22:59-09:35

2 stops25h 36m

£674

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 15/8

18:20-10:35

1 stop25h 15m

Seattle/Tacoma Intl

Sat 23/8

12:30-16:50

1 stop19h 20m

£713

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 17 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 14 March 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 20 March 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
7,896 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
7,896 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,319 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,266 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
1,567 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
United Airlines
7.4
Good
8,609 reviews
Delta
8.0
Very Good
7,896 reviews
Check prices

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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 Finnair is currently your cheapest option to Seattle, with prices starting at £508. Additional return tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at £564 and £598, respectively. Finnair is currently priced 24% 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 Turkish Airlines. According to our data, you can fly for as low as £513. Users have also found prices from £592 and £681 on Delta 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 Madrid?

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

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Why should you use Cheapflights to find cheap flight tickets from Madrid to Seattle?

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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.

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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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