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Cheap flights from Madrid, Spain to Seattle from £311

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
5 Apr — 12 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 31 March 2025.

Round-trip from

£311

Popular in

July

Cheapest in

February

Average price

£600
Scandinavian Airlines
  • Scandinavian Airlines
  • 27/5-7/6
  • 2 total stops
  • 50h 40m 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).
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 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 31 March 2025.

Tue 27/512:55MAD - SEA
1 stop33h 55mScandinavian Airlines
Sat 7/616:00SEA - MAD
1 stop16h 45mScandinavian Airlines
Deal found 31/3£311
Mon 29/907:05MAD - SEA
1 stop17h 00mMultiple Airlines
Mon 6/1017:05SEA - MAD
1 stop19h 50mMultiple Airlines
Deal found 31/3£452
Mon 12/516:00MAD - SEA
1 stop17h 45mFinnair
Mon 26/517:40SEA - MAD
1 stop17h 25mFinnair
Deal found 31/3£514
Wed 14/511:45MAD - SEA
1 stop14h 14mLufthansa
Wed 21/518:50SEA - MAD
1 stop18h 35mLufthansa
Deal found 30/3£547
Tue 6/506:00MAD - SEA
2 stops21h 33mUnited Airlines
Sun 18/517:18SEA - MAD
2 stops28h 22mUnited Airlines
Deal found 31/3£563
Tue 22/410:20MAD - SEA
1 stop14h 40mDelta
Mon 28/406:20SEA - MAD
2 stops20h 00mDelta
Deal found 31/3£596
Fri 9/520:25MAD - SEA
1 stop24h 15mKLM
Fri 23/513:55SEA - MAD
1 stop14h 45mKLM
Deal found 31/3£600
Thu 8/510:05MAD - SEA
2 stops17h 28mSWISS
Thu 22/514:50SEA - MAD
2 stops33h 30mSWISS
Deal found 31/3£606
Wed 20/813:30MAD - SEA
1 stop17h 40mJetBlue
Thu 4/911:30SEA - MAD
1 stop15h 00mJetBlue
Deal found 30/3£630
Wed 23/406:20MAD - SEA
2 stops24h 21mBrussels Airlines
Wed 30/410:50SEA - MAD
2 stops27h 35mBrussels Airlines
Deal found 30/3£658
Sat 10/510:35MAD - SEA
2 stops21h 17mBritish Airways
Sat 24/513:35SEA - MAD
1 stop17h 45mBritish Airways
Deal found 30/3£676
Thu 3/718:20MAD - SEA
1 stop31h 55mTurkish Airlines
Tue 12/819:10SEA - MAD
1 stop33h 25mTurkish Airlines
Deal found 31/3£712

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 31 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

Tue 27/5

12:55-13:50

1 stop33h 55m

Seattle/Tacoma Intl

Sat 7/6

16:00-17:45

1 stop16h 45m

£311

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 24/5

07:05-15:15

1 stop17h 10m

Seattle/Tacoma Intl

Sat 31/5

17:15-21:55

1 stop19h 40m

£502

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 12/5

16:00-00:45

1 stop17h 45m

Seattle/Tacoma Intl

Mon 26/5

17:40-20:05

1 stop17h 25m

£514

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 14/5

11:45-16:59

1 stop14h 14m

Seattle/Tacoma Intl

Wed 21/5

18:50-22:25

1 stop18h 35m

£547

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 6/5

06:00-18:33

2 stops21h 33m

Seattle/Tacoma Intl

Sun 18/5

17:18-06:40

2 stops28h 22m

£563

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 22/4

10:20-16:00

1 stop14h 40m

Seattle/Tacoma Intl

Mon 28/4

18:40-16:45

1 stop13h 05m

£596

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 9/5

20:25-11:40

1 stop24h 15m

Seattle/Tacoma Intl

Fri 23/5

13:55-13:40

1 stop14h 45m

£600

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 8/5

10:05-18:33

2 stops17h 28m

Seattle/Tacoma Intl

Thu 22/5

14:50-09:20

2 stops33h 30m

£606

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 20/8

13:30-22:10

1 stop17h 40m

Seattle/Tacoma Intl

Thu 4/9

11:30-11:30

1 stop15h 00m

£630

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 23/4

06:20-21:41

2 stops24h 21m

Seattle/Tacoma Intl

Wed 30/4

10:50-23:25

2 stops27h 35m

£658

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 18 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 28 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 31 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
7,899 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
7,899 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
1,321 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
1,267 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
1,570 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
8,614 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Crew

8.5

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 Scandinavian Airlines is currently your cheapest option to Seattle, with prices starting at £311. Additional return tickets that might be worth considering are offered by Finnair and Lufthansa, with the lowest prices starting at £514 and £547, respectively. Scandinavian Airlines is currently priced 53% 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 £530. Users have also found prices from £591 and £615 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.

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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