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$354+ 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
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
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Cheap 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 23, 2026.

This eDestinos deal was found by Cheapflights users on 3/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:05 am
MAD
-
SEA
1 stop18h 05m
Multiple Airlines
Fri 9/186:00 pm
SEA
-
MAD
1 stop18h 55m
Multiple Airlines
Deal found 3/19$629
This Expedia deal was found by Cheapflights users on 3/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:05 am
MAD
-
SEA
1 stop17h 55m
Multiple Airlines
Mon 4/276:10 pm
SEA
-
MAD
1 stop18h 45m
Multiple Airlines
Deal found 3/19$634
This eDestinos deal was found by Cheapflights users on 3/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:05 am
MAD
-
SEA
1 stop17h 30m
Multiple Airlines
Mon 11/165:35 pm
SEA
-
MAD
1 stop19h 20m
Multiple Airlines
Deal found 3/20$658
This Gotogate deal was found by Cheapflights users on 3/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:05 am
MAD
-
SEA
1 stop17h 35m
Multiple Airlines
Sun 4/265:40 pm
SEA
-
MAD
1 stop19h 15m
Multiple Airlines
Deal found 3/20$684

Find 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 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$629
(eDestinos)

One-way from

$354
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$868
Provider with most accurate pricing for Madrid Barajas-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Madrid Barajas-Seattle/Tacoma Intl flights.
Search Deals
From Madrid Barajas to Seattle/Tacoma Intl
Search Deals
One-way flight from Madrid Barajas to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
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 23, 2026.
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

Cheapest round-trip

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 7/1

2:05 pm-10:46 pm

1 stop17h 41m

Seattle/Tacoma Intl

Thu 7/23

11:45 am-11:30 am

1 stop14h 45m

$834

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 4/23

6:00 am-4:48 pm

2 stops19h 48m

Seattle/Tacoma Intl

Sat 5/9

9:05 am-11:20 am

2 stops17h 15m

$880

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 4/17

6:00 am-7:05 pm

2 stops22h 05m

Seattle/Tacoma Intl

Fri 4/24

8:50 am-12:10 pm

2 stops18h 20m

$886

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sun 5/3

6:00 am-4:40 pm

2 stops19h 40m

Seattle/Tacoma Intl

Sun 5/10

5:30 am-9:30 am

2 stops19h 00m

$886

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 4/22

5:55 am-12:20 pm

1 stop15h 25m

Seattle/Tacoma Intl

Sun 4/26

5:00 am-9:00 am

2 stops19h 00m

$892
Quickest round-trip

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 4/27

5:55 am-12:20 pm

1 stop15h 25m

Seattle/Tacoma Intl

Mon 5/11

7:25 am-9:00 am

1 stop16h 35m

$892

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 6/11

6:00 am-2:45 pm

2 stops17h 45m

Seattle/Tacoma Intl

Sat 6/13

10:00 pm-6:20 am

1 stop23h 20m

$901

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 4/14

5:55 am-8:57 pm

2 stops24h 02m

Seattle/Tacoma Intl

Thu 4/23

7:00 am-8:05 am

2 stops16h 05m

$902

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 4/23

10:50 am-8:53 pm

2 stops19h 03m

Seattle/Tacoma Intl

Sat 5/9

5:02 am-9:00 am

2 stops18h 58m

$916
Cheapest one-way

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 4/9

8:35 pm-11:32 am

3 stops47h 57m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice 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.

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 round-trip flight from Madrid to Seattle. Price data was last updated on March 13, 2026.

To ensure you get the cheapest price possible for a flight from Madrid to Seattle, you should look to book at least 41 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, December is the cheapest month in which you can book a flight from Madrid to Seattle (average of $614). Flying from Madrid to Seattle in January is currently the most expensive (average of $844). 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.

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 23, 2026.
See what other customers who have flown with Delta and Lufthansa from Madrid to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,318 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,318 reviews
Delta
7.9
Good
8,318 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,863 reviews
Delta
7.9
Good
8,318 reviews

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from Madrid to Seattle?

    For as low as $892, JetBlue can have you in Seattle from Madrid in 15h 25m. Airlines will cover a distance of 5292 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Madrid to Seattle round-trip?

    Flying on Lufthansa is currently your cheapest option to Seattle, with prices starting at $614. Another option worth looking into is Delta, starting at $693 round trip. Lufthansa is currently priced 31% 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 American Airlines. According to our data, you can fly for as low as $524. Users have also found prices from $536 and $557 on British Airways and Aer Lingus, 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, December is the cheapest month in which you can book a flight from Madrid to Seattle (average of $614). Flying from Madrid to Seattle in January is currently the most expensive (average of $844). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Ellensburg
Tukwila
Fife
Lakewood
Aberdeen
Shoreline
Marysville
Centralia
Federal Way

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

Top 2 airlines flying from Madrid to Seattle

Discover the top 2 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 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$614Average$858FlexibilityNo cancel feeOn-time76%
DeltaCheapest$693Average$958FlexibilityNo cancel feeOn-timeN/A

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