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$188+ Cheap flights from Seattle (SEA) to Madrid, Spain (MAD)

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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheap flight deals from Seattle to Madrid

Cheapest flights from Seattle to Madrid
Explore the most affordable flight options available from Seattle to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 7/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:10 pm
SEA
-
MAD
1 stop18h 45m
Multiple Airlines
Thu 10/227:00 am
MAD
-
SEA
1 stop18h 00m
Multiple Airlines
Deal found 7/19$645
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:00 am
SEA
-
MAD
2 stops16h 55m
Multiple Airlines
Wed 10/1410:40 am
MAD
-
SEA
1 stop15h 30m
Multiple Airlines
Deal found 7/20$648
This eDestinos deal was found by Cheapflights users on 7/22. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:40 pm
SEA
-
MAD
1 stop19h 15m
Multiple Airlines
Mon 10/267:00 am
MAD
-
SEA
1 stop17h 55m
Multiple Airlines
Deal found 7/22$651
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:00 am
SEA
-
MAD
2 stops16h 55m
Multiple Airlines
Thu 10/1510:40 am
MAD
-
SEA
1 stop15h 30m
Multiple Airlines
Deal found 7/21$667
This SmartFares deal was found by Cheapflights users on 7/20. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/68:00 am
SEA
-
MAD
2 stops16h 55m
Multiple Airlines
Tue 10/2010:40 am
MAD
-
SEA
1 stop15h 30m
Multiple Airlines
Deal found 7/20$670
This Cheapflightsfares deal was found by Cheapflights users on 7/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:40 pm
SEA
-
MAD
1 stop19h 15m
Multiple Airlines
Sat 10/247:00 am
MAD
-
SEA
1 stop18h 00m
Multiple Airlines
Deal found 7/21$672
This Cheapflightsfares deal was found by Cheapflights users on 7/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:10 pm
SEA
-
MAD
1 stop18h 45m
Multiple Airlines
Wed 10/217:00 am
MAD
-
SEA
1 stop17h 40m
Multiple Airlines
Deal found 7/19$678
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:18 am
SEA
-
MAD
2 stops16h 37m
Multiple Airlines
Thu 12/312:00 pm
MAD
-
SEA
1 stop17h 15m
Multiple Airlines
Deal found 7/20$686
This Orbitz deal was found by Cheapflights users on 7/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/298:33 am
SEA
-
MAD
2 stops16h 22m
Multiple Airlines
Mon 1/44:15 pm
MAD
-
SEA
2 stops36h 28m
Multiple Airlines
Deal found 7/22$695

Find flight deals from Seattle to Madrid

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Madrid (MAD). 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 July 24, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$553
(Ovago)

One-way from

$188
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$1,187
Provider with most accurate pricing for Seattle/Tacoma Intl-Madrid Barajas flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Madrid Barajas flights.
Search Deals
From Seattle/Tacoma Intl to Madrid Barajas
Search Deals
One-way flight from Seattle/Tacoma Intl to Madrid Barajas
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($273 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Madrid 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 July 24, 2026.
Use the filters below to find and compare flights from Seattle to Madrid that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 11/8

6:45 am-9:15 am

1 stop17h 30m

Madrid Barajas

Wed 11/18

1:25 pm-7:03 pm

2 stops38h 38m

$735

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Wed 11/4

8:10 am-7:45 am

1 stop14h 35m

Madrid Barajas

Tue 11/17

6:00 am-6:22 pm

2 stops21h 22m

$745

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 10/6

11:14 pm-8:05 am

1 stop23h 51m

Madrid Barajas

Wed 10/14

5:55 am-12:20 pm

1 stop15h 25m

$745

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 1/12

7:05 pm-1:15 pm

1 stop33h 10m

Madrid Barajas

Wed 1/27

2:20 pm-5:10 pm

1 stop35h 50m

$749

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 1/15

7:05 pm-1:15 pm

1 stop33h 10m

Madrid Barajas

Mon 1/18

6:00 pm-5:10 pm

1 stop32h 10m

$749

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Thu 9/17

7:15 pm-10:35 pm

1 stop18h 20m

Madrid Barajas

Mon 10/5

7:40 am-5:20 pm

1 stop18h 40m

$749

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Wed 9/16

7:15 pm-10:25 am

1 stop30h 10m

Madrid Barajas

Mon 10/5

7:40 am-5:20 pm

1 stop18h 40m

$749

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Wed 11/18

8:10 am-7:45 am

1 stop14h 35m

Madrid Barajas

Fri 12/4

11:00 am-9:56 pm

2 stops19h 56m

$750
Quickest round-trip

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 9/22

6:50 pm-5:40 pm

1 stop13h 50m

Madrid Barajas

Tue 9/29

1:30 pm-9:04 pm

1 stop16h 34m

$756

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 1/12

11:50 am-5:45 pm

2 stops20h 55m

Madrid Barajas

Tue 1/26

6:05 am-11:50 am

1 stop14h 45m

$810

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Seattle to Madrid

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 Seattle to Madrid in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
BusinessClassPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 Seattle-Madrid flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Seattle-Madrid flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Seattle-Madrid flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Madrid flights, Cheapflights users trust Ovago the most. Ovago 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 Seattle-Madrid 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 Seattle to Madrid

Have a flexible travel schedule? Discover the best time to fly to Madrid from Seattle 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 Seattle to Madrid

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

The best time to book flights from Seattle to Madrid is 48 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Madrid (average of $492). Flying from Seattle to Madrid in July is currently the most expensive (average of $1,187). 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 Seattle to Madrid?

Airfare is below average for this route at the moment.

Seattle to Madrid flights typically cost between $806 and $1,256 in January.
The cheapest round-trip price found within the last 5 days was $553 on Multiple Airlines (Jan 12-Jan 26).

Reviews of airlines servicing Madrid

Get insights into the airlines that provide service to Madrid. 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 Madrid. Reviews last updated July 24, 2026.
Read reviews from past customers who have flown Delta,Air France, andIberia from Seattle to Madrid. 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
7.8
Good
8,488 reviews

Boarding

8.1

Overall

7.8

Entertainment

7.8

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,488 reviews
Delta
7.8
Good
8,488 reviews

Boarding

8.1

Overall

7.8

Entertainment

7.8

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Air France
7.5
Good
1,626 reviews
Delta
7.8
Good
8,488 reviews

Boarding

8.1

Overall

7.8

Entertainment

7.8

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Iberia
7.0
Good
3,256 reviews
Delta
7.8
Good
8,488 reviews

Boarding

8.1

Overall

7.8

Entertainment

7.8

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Lufthansa
6.8
Okay
8,157 reviews
Delta
7.8
Good
8,488 reviews

Boarding

8.1

Overall

7.8

Entertainment

7.8

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
British Airways
6.7
Okay
8,132 reviews
Delta
7.8
Good
8,488 reviews

Boarding

8.1

Overall

7.8

Entertainment

7.8

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Seattle to Madrid. 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 Seattle to Madrid?

    United Airlines and Turkish Airlines can get you from Seattle to Madrid in just under 17h 30m. Your travel time can differ by up to 15h 40m. The distance from Seattle to Madrid is about 5292 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Seattle to Madrid round-trip from $123. Other airlines that can offer you cheap pricing are Iberia, from $439, and United Airlines, from $476. JetBlue is priced at 85% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $262. However, be on the lookout for offers from Aer Lingus and United Airlines, as they are both options that can get you from Seattle to Madrid for a low price.

  • Where are the most common layover locations when flying from Seattle to Madrid?

    Flights departing from Seattle and landing in Madrid layover in London most frequently. Paris is the second most popular location for layovers on flights from Seattle to Madrid.

  • What are some popular things to do or see while on a layover in London?

    The majority of London visitors spend their time at Hyde Park, Buckingham Palace, and Trafalgar Square. Hyde Park, Buckingham Palace, and Trafalgar Square are located about 12.5 mi, 13.7 mi, and 14.3 mi, respectively from London Heathrow. Travelers in need of a car in London can rent one for about $36 per day.

  • What are some popular points of interest to see during a layover in Paris?

    If you're on a layover in Paris and looking for things to do, consider visiting Eiffel Tower, Champs-Elysées, or Louvre Museum. Those on a layover in Paris interested in visiting Eiffel Tower, Champs-Elysées, or Louvre Museum can do so by traveling 15.8 mi, 14.7 mi, and 14.3 mi, respectively from Paris Charles de Gaulle. Those on a layover in Paris in need of a rental car can book one at Paris Charles de Gaulle for about $44.

  • Where are the least popular layover locations for Seattle to Madrid flights?

    Seattle to Madrid flights have a layover in Dallas least often.

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

    Yes. In addition to deals on Seattle to Madrid flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Madrid?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Madrid.

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

    Yes. Cheapflights offers flight deals from Seattle to Madrid 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 Seattle to Madrid?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Madrid (average of $492). Flying from Seattle to Madrid in July is currently the most expensive (average of $1,187). 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
Getafe

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Alternative routes for Seattle to Madrid

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

Top 10 airlines flying from Seattle to Madrid

Discover the top 10 airlines that operate flights from Seattle to Madrid. 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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$123Average$1,222FlexibilityNo cancel feeOn-time62%
IberiaCheapest$439Average$800FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$476Average$705FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$479Average$742FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$486Average$808FlexibilityNo cancel feeOn-time77%
DeltaCheapest$487Average$950FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$489Average$846FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$498Average$862FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$511Average$834FlexibilityNo cancel feeOn-time67%
Aer LingusCheapest$538Average$944FlexibilityNo cancel feeOn-timeN/A

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