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 £498. Additional return tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at £576 and £578, respectively. Scandinavian Airlines 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 £516. Users have also found prices from £597 and £1,159 on TAP AIR PORTUGAL and United Airlines, respectively.

What is the cheapest day to fly from Madrid to Seattle?

Travellers seeking maximum savings on their Madrid to Seattle flight should consider departing on Monday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How far in advance should I book a flight from Madrid to Seattle?

To save up to 32% on this flight, we recommend booking at least 26 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Madrid to Seattle from £588 1-2 weeks out and tickets from £721 for flights departing within the next 72 hours.

What is the cheapest month to fly from Madrid to Seattle?

Flights from Madrid to Seattle lean towards being more expensive in July. Prices are generally better when you fly from Madrid to Seattle in February, with the cheapest ticket starting at £425.

What is the cheapest time of day to fly from MAD to SEA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Madrid to Seattle as you normally would.

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.

£441+ Flights from Madrid, Spain to Seattle

Cheap flight deals from Madrid to Seattle

Round-trip from	£441
Popular in	July
Cheapest in	February
Average price	£660

22/5-6/6
2 total stops
36h 50m total
Madrid to Seattle

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£75 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 April 2025

Search Deals

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 30 April 2025.

Thu 22/507:05MAD - SEA

1 stop17h 00mMultiple Airlines

Fri 6/617:05SEA - MAD

1 stop19h 50mMultiple Airlines

Deal found 29/4£441

Thu 25/912:55MAD - SEA

1 stop34h 05mScandinavian Airlines

Sun 5/1016:20SEA - MAD

1 stop34h 50mScandinavian Airlines

Deal found 29/4£498

Wed 3/910:20MAD - SEA

1 stop14h 45mDelta

Sun 21/907:20SEA - MAD

2 stops19h 00mDelta

Deal found 29/4£576

Thu 15/512:45MAD - SEA

1 stop15h 52mUnited Airlines

Thu 29/523:37SEA - MAD

1 stop24h 23mUnited Airlines

Deal found 30/4£578

Sat 6/1212:05MAD - SEA

1 stop34h 15mLufthansa

Sun 14/1215:10SEA - MAD

1 stop17h 30mLufthansa

Deal found 30/4£604

Mon 12/516:40MAD - SEA

1 stop15h 29mFinnair

Mon 19/517:40SEA - MAD

1 stop17h 25mFinnair

Deal found 29/4£614

Wed 28/510:05MAD - SEA

2 stops21h 37mSWISS

Mon 2/616:25SEA - MAD

1 stop17h 20mSWISS

Deal found 29/4£629

Thu 8/512:40MAD - SEA

1 stop17h 23mBritish Airways

Thu 22/513:30SEA - MAD

1 stop19h 10mBritish Airways

Deal found 29/4£653

Thu 21/813:30MAD - SEA

1 stop17h 40mJetBlue

Wed 27/811:30SEA - MAD

1 stop15h 00mJetBlue

Deal found 29/4£654

Sat 14/607:40MAD - SEA

1 stop18h 35mTurkish Airlines

Sat 21/612:30SEA - MAD

1 stop36h 55mTurkish Airlines

Deal found 30/4£667

Sat 23/810:05MAD - SEA

2 stops19h 22mVirgin Atlantic

Sat 23/822:55SEA - MAD

2 stops25h 40mVirgin Atlantic

Deal found 29/4£935

Sat 14/610:35MAD - SEA

1 stop16h 15mAer Lingus

Fri 20/600:05SEA - MAD

2 stops27h 45mAer Lingus

Deal found 30/4£1,052

Best flights from Madrid to Seattle
Discover carefully curated flight deals from Madrid to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 April 2025.

Thu 22/507:05MAD - SEA

1 stop17h 00mMultiple Airlines

Fri 6/617:05SEA - MAD

1 stop19h 50mMultiple Airlines

Deal found 29/4£441

Thu 25/912:55MAD - SEA

1 stop34h 05mScandinavian Airlines

Sun 5/1016:20SEA - MAD

1 stop34h 50mScandinavian Airlines

Deal found 29/4£498

Wed 3/910:20MAD - SEA

1 stop14h 45mDelta

Sun 21/907:20SEA - MAD

2 stops19h 00mDelta

Deal found 29/4£576

Thu 15/512:45MAD - SEA

1 stop15h 52mUnited Airlines

Thu 29/523:37SEA - MAD

1 stop24h 23mUnited Airlines

Deal found 30/4£578

Mon 12/516:40MAD - SEA

1 stop15h 29mFinnair

Mon 19/517:40SEA - MAD

1 stop17h 25mFinnair

Deal found 29/4£614

Wed 24/906:00MAD - SEA

2 stops17h 16mLufthansa

Mon 6/1010:00SEA - MAD

2 stops28h 25mLufthansa

Deal found 29/4£620

Wed 28/510:05MAD - SEA

2 stops21h 37mSWISS

Mon 2/616:25SEA - MAD

1 stop17h 20mSWISS

Deal found 29/4£629

Thu 21/813:30MAD - SEA

1 stop17h 40mJetBlue

Wed 27/811:30SEA - MAD

1 stop15h 00mJetBlue

Deal found 29/4£654

Sat 14/607:40MAD - SEA

1 stop18h 35mTurkish Airlines

Sat 21/612:30SEA - MAD

1 stop36h 55mTurkish Airlines

Deal found 30/4£667

Sat 23/810:05MAD - SEA

2 stops19h 22mVirgin Atlantic

Sat 23/822:55SEA - MAD

2 stops25h 40mVirgin Atlantic

Deal found 29/4£935

Wed 28/512:10MAD - SEA

1 stop15h 10mBritish Airways

Sat 31/520:20SEA - MAD

1 stop14h 25mBritish Airways

Deal found 30/4£1,013

Sat 14/610:35MAD - SEA

1 stop16h 15mAer Lingus

Fri 20/600:05SEA - MAD

2 stops27h 45mAer Lingus

Deal found 30/4£1,052

Last-minute flights from Madrid to Seattle
Discover last-minute flight deals from Madrid to Seattle. Data last updated 30 April 2025 and is based on user searches.

Mon 5/519:35MAD - SEA

4 stops57h 43mEthiopian Air

Mon 12/508:10SEA - MAD

3 stops63h 55mEthiopian Air

Deal found 28/4£2,538

Tue 6/512:45MAD - SEA

1 stop15h 52mUnited Airlines

Tue 13/507:20SEA - MAD

1 stop14h 20mUnited Airlines

Deal found 29/4£626

Thu 8/512:40MAD - SEA

1 stop17h 23mBritish Airways

Thu 22/513:30SEA - MAD

1 stop19h 10mBritish Airways

Deal found 29/4£653

Mon 12/516:40MAD - SEA

1 stop15h 29mFinnair

Mon 19/517:40SEA - MAD

1 stop17h 25mFinnair

Deal found 29/4£614

Thu 15/512:45MAD - SEA

1 stop15h 52mUnited Airlines

Thu 29/523:37SEA - MAD

1 stop24h 23mUnited Airlines

Deal found 30/4£578

Thu 22/507:05MAD - SEA

1 stop17h 00mMultiple Airlines

Fri 6/617:05SEA - MAD

1 stop19h 50mMultiple Airlines

Deal found 29/4£441

Sat 24/506:00MAD - SEA

2 stops17h 31mDelta

Thu 29/507:25SEA - MAD

2 stops18h 55mDelta

Deal found 29/4£579

Sat 24/519:35MAD - SEA

4 stops53h 03mEthiopian Air

Fri 30/522:15SEA - MAD

3 stops49h 50mEthiopian Air

Deal found 29/4£2,300

Wed 28/510:05MAD - SEA

2 stops21h 37mSWISS

Mon 2/616:25SEA - MAD

1 stop17h 20mSWISS

Deal found 29/4£629

Wed 28/508:35MAD - SEA

2 stops17h 24mLufthansa

Mon 2/614:15SEA - MAD

2 stops18h 20mLufthansa

Deal found 29/4£657

Thu 29/507:40MAD - SEA

1 stop18h 35mTurkish Airlines

Sat 31/519:10SEA - MAD

1 stop30h 15mTurkish Airlines

Deal found 30/4£747

One-way flights from Madrid to Seattle
Search for one-way flight options from Madrid to Seattle. Find affordable one-way fares based on user searches. Data last updated 30 April 2025.

Sat 26/714:45MAD - SEA

1 stop35h 30mTurkish Airlines

Deal found 29/4£516

Mon 9/611:05MAD - SEA

3 stops32h 13mTAP AIR PORTUGAL

Deal found 29/4£597

Sat 14/611:05MAD - SEA

3 stops32h 15mMultiple Airlines

Deal found 29/4£808

Tue 15/712:45MAD - SEA

3 stops38h 04mUnited Airlines

Deal found 29/4£1,159

Thu 29/519:35MAD - SEA

4 stops53h 14mEthiopian Air

Deal found 29/4£1,741

Cheapflights Fare Finder

Use the filters below to find and compare flights from Madrid to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 22/5

07:05-15:05

1 stop17h 00m

Seattle/Tacoma Intl

Fri 6/6

17:05-21:55

1 stop19h 50m

£441

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 25/9

12:55-14:00

1 stop34h 05m

Seattle/Tacoma Intl

Sun 5/10

16:20-12:10

1 stop34h 50m

£498

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 3/9

10:20-16:05

1 stop14h 45m

Seattle/Tacoma Intl

Sun 21/9

07:20-11:20

2 stops19h 00m

£576

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 15/5

12:45-19:37

1 stop15h 52m

Seattle/Tacoma Intl

Thu 29/5

23:37-09:00

1 stop24h 23m

£578

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 12/5

16:40-23:09

1 stop15h 29m

Seattle/Tacoma Intl

Mon 19/5

17:40-20:05

1 stop17h 25m

£614

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 24/9

06:00-14:16

2 stops17h 16m

Seattle/Tacoma Intl

Mon 6/10

10:00-23:25

2 stops28h 25m

£620

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 28/5

10:05-22:42

2 stops21h 37m

Seattle/Tacoma Intl

Mon 2/6

16:25-18:45

1 stop17h 20m

£629

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 21/8

13:30-22:10

1 stop17h 40m

Seattle/Tacoma Intl

Wed 27/8

11:30-11:30

1 stop15h 00m

£654

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 14/6

07:40-17:15

1 stop18h 35m

Seattle/Tacoma Intl

Sat 21/6

12:30-10:25

1 stop36h 55m

£667

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 23/8

10:05-20:27

2 stops19h 22m

Seattle/Tacoma Intl

Sat 23/8

22:55-09:35

2 stops25h 40m

£935

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 19 results

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?

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

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

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 a feel of what it's like to fly with Delta, Finnair and SWISS 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

7,934 reviews

Check prices

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

7,934 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

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

1,275 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

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

1,588 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

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

852 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

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

8,696 reviews

Delta

8.0

Very Good

7,934 reviews

Check prices

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

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 £498. Additional return tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at £576 and £578, respectively. Scandinavian Airlines 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 £516. Users have also found prices from £597 and £1,159 on TAP AIR PORTUGAL and United Airlines, 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

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How does Cheapflights help users find flights from Madrid to Seattle?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Madrid to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Madrid to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Madrid to Seattle with no change fees?

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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Cheap flights from Madrid, Spain to Seattle from £441

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Madrid to Seattle

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Madrid to Seattle

Cheapest flights from Madrid to SeattleExplore 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 30 April 2025.

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 30 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Madrid to Seattle that are best for you.

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.

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 25 April 2025.

What is the cheapest month to book a flight from Madrid to Seattle?

Rainfall in Seattle by month

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

Temperature in Seattle by month

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

Reviews of airlines servicing Seattle

Get a feel of what it's like to fly with Delta, Finnair and SWISS 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.

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?

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

Can I find deals for flights from Madrid to Seattle that include hotel bookings?

How can I find direct flights from Madrid to Seattle?

Can I find deals for business class flights from Madrid to Seattle?

What is the cheapest month to book a flight from Madrid to Seattle?

Travelling to a place near Madrid?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Seattle by adding a car hire and/or hotel booking to your travel itinerary.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Madrid to Seattle?

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

Can Cheapflights find flights from Madrid to Seattle with no change fees?

Can Cheapflights notify me if prices for flights from Madrid to Seattle become cheaper?

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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 30 April 2025.