HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$410+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Madrid to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 23, 2026.

This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:05 am
MAD
-
SEA
1 stop17h 35m
Multiple Airlines
Wed 6/35:40 pm
SEA
-
MAD
1 stop19h 15m
Multiple Airlines
Deal found 4/21$759
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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.
Sun 5/37:05 am
MAD
-
SEA
1 stop17h 35m
Multiple Airlines
Mon 5/186:10 pm
SEA
-
MAD
1 stop18h 45m
Multiple Airlines
Deal found 4/22$760
This Booking.com deal was found by Cheapflights users on 4/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:05 am
MAD
-
SEA
1 stop17h 55m
Multiple Airlines
Wed 6/35:40 pm
SEA
-
MAD
1 stop19h 15m
Multiple Airlines
Deal found 4/19$765
This Expedia deal was found by Cheapflights users on 4/19. 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.
Tue 9/151:30 pm
MAD
-
SEA
1 stop18h 08m
JetBlue
Thu 10/111:55 pm
SEA
-
MAD
1 stop26h 35m
JetBlue
Deal found 4/19$770
This oojo deal was found by Cheapflights users on 4/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:05 am
MAD
-
SEA
1 stop17h 35m
Multiple Airlines
Sat 10/316:35 pm
SEA
-
MAD
1 stop19h 20m
Multiple Airlines
Deal found 4/23$793
This Gotogate deal was found by Cheapflights users on 4/20. 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.
Tue 10/277:05 am
MAD
-
SEA
1 stop17h 30m
Multiple Airlines
Tue 11/35:35 pm
SEA
-
MAD
1 stop35h 00m
Multiple Airlines
Deal found 4/20$799
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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.
Wed 4/297:05 am
MAD
-
SEA
1 stop17h 35m
Multiple Airlines
Tue 6/26:05 pm
SEA
-
MAD
1 stop18h 50m
Multiple Airlines
Deal found 4/22$806
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/910:40 am
MAD
-
SEA
1 stop15h 30m
Aer Lingus
Sun 6/147:10 pm
SEA
-
MAD
1 stop15h 55m
Aer Lingus
Deal found 4/22$816
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:05 am
MAD
-
SEA
1 stop17h 35m
Multiple Airlines
Sat 10/246:35 pm
SEA
-
MAD
1 stop19h 20m
Multiple Airlines
Deal found 4/20$817
This Expedia deal was found by Cheapflights users on 4/19. 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.
Mon 8/312:05 pm
MAD
-
SEA
1 stop17h 44m
JetBlue
Wed 9/3011:55 pm
SEA
-
MAD
1 stop26h 35m
JetBlue
Deal found 4/19$819

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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$759
(oojo)

One-way from

$410
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$814
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. 6% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 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

Tue 5/19

6:00 am-6:48 pm

2 stops21h 48m

Seattle/Tacoma Intl

Tue 5/26

9:30 am-12:10 pm

2 stops17h 40m

$915

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 5/5

6:00 am-4:45 pm

2 stops19h 45m

Seattle/Tacoma Intl

Sat 5/23

1:45 pm-12:10 pm

1 stop13h 25m

$915
Quickest round-trip

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 5/6

6:00 am-11:42 am

1 stop14h 42m

Seattle/Tacoma Intl

Sat 5/16

1:45 pm-1:40 pm

1 stop14h 55m

$928

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sun 5/10

6:00 am-4:37 pm

2 stops19h 37m

Seattle/Tacoma Intl

Fri 5/15

11:00 pm-6:20 am

1 stop22h 20m

$930

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 10/1

6:05 am-12:20 pm

1 stop15h 15m

Seattle/Tacoma Intl

Mon 10/5

11:04 pm-8:05 am

1 stop24h 01m

$934

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 5/22

6:00 am-12:20 pm

1 stop15h 20m

Seattle/Tacoma Intl

Thu 6/4

2:10 pm-4:10 pm

1 stop17h 00m

$940

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 5/5

6:00 am-4:30 pm

1 stop19h 30m

Seattle/Tacoma Intl

Wed 6/3

7:15 am-11:20 am

2 stops19h 05m

$983

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sun 5/3

6:00 am-6:28 pm

2 stops21h 28m

Seattle/Tacoma Intl

Mon 5/18

4:10 pm-6:20 am

1 stop29h 10m

$995

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 6/26

6:00 am-4:24 pm

1 stop19h 24m

Seattle/Tacoma Intl

Sat 7/11

6:35 pm-7:15 pm

1 stop15h 40m

$1,077
Cheapest one-way

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 9/30

1:30 pm-10:38 pm

1 stop18h 08m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

Showing 1-10 of 20 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 April.
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?

To ensure you get the cheapest price possible for a flight from Madrid to Seattle, you should look to book at least 40 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, October is the cheapest month in which you can book a flight from Madrid to Seattle (average of $782). Flying from Madrid to Seattle in December is currently the most expensive (average of $1,049). 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.

How much does it cost to fly round-trip from Madrid to Seattle?

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 April 23, 2026.
See what other customers who have flown with Delta 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
8,438 reviews

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

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
8,438 reviews
Delta
7.9
Good
8,438 reviews

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

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 $928, Lufthansa can have you in Seattle from Madrid in 14h 42m. Airlines will cover a distance of 5292 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Madrid to Seattle round-trip?

    Flying on Delta is currently your cheapest option to Seattle, with prices starting at $790. Delta is currently priced 13% 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 $543 on British Airways and Iberia, 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, October is the cheapest month in which you can book a flight from Madrid to Seattle (average of $782). Flying from Madrid to Seattle in December is currently the most expensive (average of $1,049). 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
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Kent
Tumwater
Tukwila
Puyallup
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline

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.

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 airline flying from Madrid to Seattle

Discover the top airline 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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$790Average$951FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights