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$276+ 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
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 December 28, 2025.

This oojo deal was found by Cheapflights users on 12/28. 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 12/301:25 pmSEA - MAD
1 stop20h 00mBritish Airways
Sun 1/116:05 pmMAD - SEA
2 stops37h 15mBritish Airways
Deal found 12/28$812
This Finnair deal was found by Cheapflights users on 12/26. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:07 amSEA - MAD
1 stop17h 18mFinnair
Sun 1/1112:50 pmMAD - SEA
1 stop20h 09mFinnair
Deal found 12/26$817
This oojo deal was found by Cheapflights users on 12/26. 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.
Wed 12/311:19 pmSEA - MAD
2 stops21h 46mBritish Airways
Sun 1/117:20 pmMAD - SEA
2 stops34h 14mBritish Airways
Deal found 12/26$862
This Finnair deal was found by Cheapflights users on 12/26. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:07 amSEA - MAD
1 stop17h 18mFinnair
Sun 1/1112:50 pmMAD - SEA
1 stop20h 09mFinnair
Deal found 12/26$894
This Air France deal was found by Cheapflights users on 12/28. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:40 pmSEA - MAD
1 stop20h 30mMultiple Airlines
Sun 1/114:50 pmMAD - SEA
1 stop28h 00mMultiple Airlines
Deal found 12/28$969
This KLM deal was found by Cheapflights users on 12/27. 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.
Wed 12/318:15 amSEA - MAD
1 stop16h 00mKLM
Sun 1/114:50 pmMAD - SEA
1 stop28h 00mKLM
Deal found 12/27$970
This Delta deal was found by Cheapflights users on 12/27. 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.
Tue 12/301:40 pmSEA - MAD
1 stop20h 30mDelta
Sat 1/1011:00 amMAD - SEA
2 stops19h 49mDelta
Deal found 12/27$980
This Air France deal was found by Cheapflights users on 12/28. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/301:40 pmSEA - MAD
1 stop19h 00mAir France
Sat 1/106:45 pmMAD - SEA
1 stop27h 40mAir France
Deal found 12/28$988

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 December 28, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$456
(Mytrip)

One-way from

$276
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,249
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. 1% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 28, 2025.
Use the filters below to find and compare flights from Seattle to Madrid that are best for you.

Fly from

Seattle

Fly to

Madrid

Route

Depart

Return

Price

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Wed 2/4

5:50 am-8:00 am

2 stops17h 10m

Madrid Barajas

Thu 2/19

6:00 am-10:16 pm

2 stops25h 16m

$459

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 1/24

7:00 am-9:15 am

1 stop17h 15m

Madrid Barajas

Sat 2/7

6:00 am-12:10 pm

1 stop15h 10m

$475

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 1/23

1:35 pm-6:35 pm

1 stop20h 00m

Madrid Barajas

Tue 1/27

12:00 pm-4:55 pm

1 stop13h 55m

$483

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 2/7

9:25 am-3:20 pm

2 stops20h 55m

Madrid Barajas

Sat 2/14

6:00 am-11:40 am

1 stop14h 40m

$486

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 2/8

6:05 am-5:40 pm

2 stops26h 35m

Madrid Barajas

Sat 2/14

1:05 pm-11:40 am

1 stop31h 35m

$486

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 3/10

2:40 pm-5:40 pm

1 stop19h 00m

Madrid Barajas

Tue 3/24

6:00 am-7:05 pm

2 stops21h 05m

$492

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 2/7

9:59 pm-8:00 am

1 stop25h 01m

Madrid Barajas

Sun 2/15

1:05 pm-11:40 am

1 stop31h 35m

$493

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Mon 2/9

5:00 am-8:00 am

2 stops18h 00m

Madrid Barajas

Sun 2/15

5:55 am-10:43 pm

2 stops25h 48m

$493

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 2/6

7:00 am-9:15 am

2 stops17h 15m

Madrid Barajas

Thu 2/19

6:00 am-9:01 pm

3 stops24h 01m

$494

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 1/23

5:00 am-9:15 am

2 stops19h 15m

Madrid Barajas

Tue 1/27

6:25 am-6:14 pm

2 stops20h 49m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 20 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star
Justfly.comPrice 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 Seattle-Madrid flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on Seattle-Madrid flight deals on Cheapflights vs. Gotogate >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 Gotogate the most. Gotogate 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?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Madrid. Price data was last updated on December 19, 2025.

The best time to book flights from Seattle to Madrid is 80 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 $431). Flying from Seattle to Madrid in June is currently the most expensive (average of $885). 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 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 December 28, 2025.
Read reviews from past customers who have flown Delta, Air France, and American Airlines 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
7.9
Good
8,019 reviews

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

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
8,019 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

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.
Air France
7.4
Good
1,515 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

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.
American Airlines
7.2
Good
11,072 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

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.
Iberia
7.0
Good
3,059 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

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.
British Airways
6.7
Okay
7,616 reviews
Delta
7.9
Good
8,019 reviews

Entertainment

7.9

Overall

7.9

Food

7.3

Boarding

8.1

Crew

8.5

Comfort

7.9

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 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, British Airways, and Delta can get you from Seattle to Madrid in just under 17h 15m. Your travel time can differ by up to 3h 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 $360. Other airlines that can offer you cheap pricing are Aer Lingus, from $438, and Scandinavian Airlines, from $440. JetBlue is priced at 58% 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 JetBlue and Lufthansa, 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 Piccadilly Circus. Hyde Park, Buckingham Palace, and Piccadilly Circus are located about 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Travelers in need of a car in London can rent one for about $32 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 $42.

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

    Seattle to Madrid flights have a layover in Dallas least often. Amsterdam follows Dallas in terms of the least common layover location on Seattle to Madrid flights.

  • 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 $431). Flying from Seattle to Madrid in June is currently the most expensive (average of $885). 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.
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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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$360Average$1,216FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$438Average$837FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$440Average$567FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$476Average$758FlexibilityNo cancel feeOn-time69%
DeltaCheapest$482Average$883FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$484Average$789FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$511Average$784FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$532Average$854FlexibilityNo cancel feeOn-time77%
IberiaCheapest$543Average$928FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$564Average$900FlexibilityNo cancel feeOn-time76%

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