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Cheap flights from Madrid, Spain to Seattle from £349

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/3. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
26 Feb — 5 Mar1
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 21 February 2025.

Round-trip from

£349

Popular in

July

Cheapest in

February

Average price

£505
13/3-24/3
  • 13/3-24/3
  • 2 total stops
  • 36h 20m total
  • Madrid to Seattle
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£87 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 21 February 2025.

Thu 13/307:05MAD - SEA
1 stop16h 45mMultiple Airlines
Mon 24/318:20SEA - MAD
1 stop19h 35mMultiple Airlines
Deal found 21/2£349
Wed 5/312:20MAD - SEA
2 stops39h 18mUnited Airlines
Wed 12/308:10SEA - MAD
2 stops24h 35mUnited Airlines
Deal found 20/2£466
Thu 8/510:15MAD - SEA
1 stop14h 45mFinnair
Thu 22/517:40SEA - MAD
1 stop17h 25mFinnair
Deal found 20/2£475
Wed 5/311:00MAD - SEA
1 stop33h 37mKLM
Wed 12/315:15SEA - MAD
1 stop14h 25mKLM
Deal found 20/2£477
Wed 7/506:00MAD - SEA
2 stops17h 13mLufthansa
Tue 20/513:45SEA - MAD
2 stops33h 25mLufthansa
Deal found 21/2£478
Thu 8/510:05MAD - SEA
1 stop16h 20mDelta
Thu 22/507:20SEA - MAD
2 stops19h 00mDelta
Deal found 20/2£497
Mon 29/916:40MAD - SEA
1 stop15h 24mBritish Airways
Mon 6/1020:20SEA - MAD
1 stop14h 25mBritish Airways
Deal found 21/2£593
Tue 4/310:00MAD - SEA
2 stops21h 25mVirgin Atlantic
Sat 8/322:40SEA - MAD
1 stop23h 20mVirgin Atlantic
Deal found 20/2£616
Thu 13/310:05MAD - SEA
2 stops44h 34mSWISS
Thu 20/314:50SEA - MAD
2 stops34h 25mSWISS
Deal found 20/2£705
Sun 16/312:00MAD - SEA
1 stop38h 05mTurkish Airlines
Fri 21/320:00SEA - MAD
1 stop30h 25mTurkish Airlines
Deal found 21/2£706
Mon 28/713:30MAD - SEA
1 stop17h 40mJetBlue
Tue 5/811:30SEA - MAD
1 stop15h 00mJetBlue
Deal found 19/2£715

Find flights from Madrid to Seattle within your budget

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 21 February 2025.

Fly from

Madrid

Fly to

Seattle

Route

Depart

Return

Price

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 13/3

07:05-15:50

1 stop16h 45m

Seattle/Tacoma Intl

Mon 24/3

18:20-21:55

1 stop19h 35m

£349

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 5/3

12:20-18:38

2 stops39h 18m

Seattle/Tacoma Intl

Wed 12/3

08:10-16:45

2 stops24h 35m

£466

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 8/5

10:15-16:00

1 stop14h 45m

Seattle/Tacoma Intl

Thu 22/5

17:40-20:05

1 stop17h 25m

£475

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 5/3

11:00-11:37

1 stop33h 37m

Seattle/Tacoma Intl

Wed 12/3

15:15-13:40

1 stop14h 25m

£477

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 7/5

06:00-14:13

2 stops17h 13m

Seattle/Tacoma Intl

Tue 20/5

13:45-08:10

2 stops33h 25m

£478

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 8/5

10:05-17:25

1 stop16h 20m

Seattle/Tacoma Intl

Thu 22/5

07:20-11:20

2 stops19h 00m

£497

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 4/3

10:00-22:25

2 stops21h 25m

Seattle/Tacoma Intl

Sat 8/3

22:40-07:00

1 stop23h 20m

£616

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 13/3

10:05-22:39

2 stops44h 34m

Seattle/Tacoma Intl

Thu 20/3

14:50-09:15

2 stops34h 25m

£705

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sun 16/3

12:00-18:05

1 stop38h 05m

Seattle/Tacoma Intl

Fri 21/3

20:00-10:25

1 stop30h 25m

£706

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 28/7

13:30-22:10

1 stop17h 40m

Seattle/Tacoma Intl

Tue 5/8

11:30-11:30

1 stop15h 00m

£715

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 16 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.

Travel insights for flights from Madrid to Seattle

Get recent, data-driven insights about flights from Madrid to Seattle including ideal travel times, pricing trends, and more.

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 February 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 21 February 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
8,212 reviews
Check prices

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
8,212 reviews
Delta
8.0
Very Good
8,212 reviews
Check prices

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
8,212 reviews
Check prices

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
1,273 reviews
Delta
8.0
Very Good
8,212 reviews
Check prices

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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
1,568 reviews
Delta
8.0
Very Good
8,212 reviews
Check prices

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very Good
8,212 reviews
Check prices

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

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 United Airlines is currently your cheapest option to Seattle, with prices starting at £466. Additional return tickets that might be worth considering are offered by Finnair and KLM, with the lowest prices starting at £475 and £477, respectively. United Airlines is currently priced 34% 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 Virgin Atlantic. According to our data, you can fly for as low as £558. Users have also found prices from £560 and £624 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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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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