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$361+ Cheap flights from Madrid, Spain (MAD) to Seattle (SEA)

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
Mar 17 — Mar 241
Mon 3/17
Mon 3/24
1 adult, Economy
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The best prices from Madrid Barajas to Seattle/Tacoma Intl are usually found in February or March, booked 78 days in advance, depart on a Saturday or Friday and return on a Tuesday

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 March 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$607
(United Airlines)

One-way from

$361
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$731
Provider with most accurate pricing for Madrid Barajas-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Madrid Barajas-Seattle/Tacoma Intl flights.
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From Madrid Barajas to Seattle/Tacoma Intl
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One-way flight from Madrid Barajas to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 15% potential increase in price ($154 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT 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 March 12, 2025.

This Booking.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:05 amMAD - SEA
1 stop17h 00mMultiple Airlines
Mon 10/65:05 pmSEA - MAD
1 stop19h 50mMultiple Airlines
Deal found 3/12$617
This lol.travel deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/54:40 pmMAD - SEA
1 stop15h 29mFinnair
Mon 5/195:40 pmSEA - MAD
1 stop17h 25mFinnair
Deal found 3/12$661
This Cheapflightsfares deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/812:40 pmMAD - SEA
1 stop17h 34mIberia
Tue 4/151:35 pmSEA - MAD
1 stop14h 50mIberia
Deal found 3/11$692
This Flighttix deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/511:15 amMAD - SEA
1 stop18h 03mLufthansa
Mon 5/192:15 pmSEA - MAD
1 stop17h 00mLufthansa
Deal found 3/12$759
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:00 amMAD - SEA
2 stops25h 16mUnited Airlines
Wed 11/1911:50 pmSEA - MAD
2 stops23h 15mUnited Airlines
Deal found 3/12$760
This Air Canada deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/512:30 pmMAD - SEA
1 stop31h 21mAir Canada
Mon 5/197:15 pmSEA - MAD
2 stops26h 25mAir Canada
Deal found 3/12$762
This KLM deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/17:05 amMAD - SEA
1 stop17h 45mKLM
Sat 6/72:10 pmSEA - MAD
1 stop14h 30mKLM
Deal found 3/12$765
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:00 amMAD - SEA
2 stops21h 22mDelta
Mon 5/196:35 pmSEA - MAD
1 stop13h 10mDelta
Deal found 3/12$768
This British Airways deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/77:55 pmMAD - SEA
1 stop24h 15mBritish Airways
Thu 4/171:30 pmSEA - MAD
1 stop19h 10mBritish Airways
Deal found 3/12$830
This SWISS deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:35 pmMAD - SEA
2 stops34h 54mSWISS
Mon 10/271:55 pmSEA - MAD
2 stops20h 50mSWISS
Deal found 3/12$854
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/810:25 amMAD - SEA
2 stops21h 44mAmerican Airlines
Sat 4/1211:59 pmSEA - MAD
1 stop28h 26mAmerican Airlines
Deal found 3/12$865
This lol.travel deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/222:45 pmMAD - SEA
1 stop35h 30mTurkish Airlines
Sun 6/297:10 pmSEA - MAD
1 stop33h 25mTurkish Airlines
Deal found 3/12$889

Find flights from Madrid to Seattle within your budget

Customize 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 2,558,603 searches. Data last updated March 12, 2025.

Fly from

Madrid

Fly to

Seattle

Route

Depart

Return

Price

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 5/5

4:40 pm-11:09 pm

1 stop15h 29m

Seattle/Tacoma Intl

Mon 5/19

5:40 pm-8:05 pm

1 stop17h 25m

$661

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 4/8

12:40 pm-9:14 pm

1 stop17h 34m

Seattle/Tacoma Intl

Tue 4/15

1:35 pm-1:25 pm

1 stop14h 50m

$692

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 8/25

7:05 am-3:05 pm

1 stop17h 00m

Seattle/Tacoma Intl

Mon 10/20

5:05 pm-9:55 pm

1 stop19h 50m

$716

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 5/5

11:15 am-8:18 pm

1 stop18h 03m

Seattle/Tacoma Intl

Mon 5/19

2:15 pm-4:15 pm

1 stop17h 00m

$759

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 5/5

12:30 pm-10:51 am

1 stop31h 21m

Seattle/Tacoma Intl

Mon 5/19

7:15 pm-6:40 am

2 stops26h 25m

$762

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sun 6/1

7:05 am-3:50 pm

1 stop17h 45m

Seattle/Tacoma Intl

Sat 6/7

2:10 pm-1:40 pm

1 stop14h 30m

$765

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 5/5

6:00 am-6:22 pm

2 stops21h 22m

Seattle/Tacoma Intl

Mon 5/19

6:35 pm-4:45 pm

1 stop13h 10m

$768

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 5/7

6:00 am-6:33 pm

2 stops21h 33m

Seattle/Tacoma Intl

Sat 5/17

5:18 pm-4:45 pm

2 stops38h 27m

$769

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 4/7

7:55 pm-11:10 am

1 stop24h 15m

Seattle/Tacoma Intl

Thu 4/17

1:30 pm-5:40 pm

1 stop19h 10m

$830

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 8/25

7:35 pm-9:29 pm

2 stops34h 54m

Seattle/Tacoma Intl

Mon 10/27

1:55 pm-6:45 pm

2 stops20h 50m

$854

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 26 results
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Compare providers for flights from Madrid to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Madrid to Seattle in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Madrid-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Madrid-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Madrid-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Madrid-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Madrid-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Madrid to Seattle. Price data was last updated on March 7, 2025.

To ensure you get the cheapest price possible for a flight from Madrid to Seattle, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $238). Flying from Madrid to Seattle in July is currently the most expensive (average of $411). 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.

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

Find hourly flight availability from Madrid to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Madrid to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at noon.

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 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 March 12, 2025.
Read through reviews of airlines operating flights from Madrid to Seattle, such as Delta, KLM and Finnair. 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
7,953 reviews

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
7,953 reviews
Delta
8.0
Very good
7,953 reviews

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
1,320 reviews
Delta
8.0
Very good
7,953 reviews

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
1,268 reviews
Delta
8.0
Very good
7,953 reviews

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
8,623 reviews
Delta
8.0
Very good
7,953 reviews

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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
7.4
Good
642 reviews
Delta
8.0
Very good
7,953 reviews

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

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 $607. Additional round-trip tickets that might be worth considering are offered by Finnair and American Airlines, with the lowest prices starting at $652 and $671, respectively. United Airlines is currently priced 30% 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 Scandinavian Airlines. According to our data, you can fly for as low as $454. Users have also found prices from $556 and $630 on Aer Lingus and Turkish 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 vacation 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 $238). Flying from Madrid to Seattle in July is currently the most expensive (average of $411). 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

Traveling to a place near Madrid?

Book flights to Madrid if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Lacey
Ocean Shores
Tacoma
Leavenworth
Federal Way
Lakewood
Centralia
Olympia
Cle Elum
Mukilteo
Aberdeen
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale
Redmond

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Madrid to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Madrid to Portland flights
Madrid to Spokane flights

Top 5 airlines flying from Madrid to Seattle

Discover the top 5 airlines that operate flights from Madrid to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$568Average$926FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$604Average$829FlexibilityNo cancel feeOn-time77%
DeltaCheapest$719Average$997FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$753Average$846FlexibilityNo cancel feeOn-time71%
IberiaCheapest$836Average$978FlexibilityNo cancel feeOn-time77%
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