Which layover airport offers the lowest fares from Seattle to Madrid?

Flights via Chicago (ORD) offer the lowest average round-trip price of $584.

Which airport is the most popular layover for flights between Seattle and Madrid?

Paris (CDG) was the most common stop: 18% of momondo users choosing 1-stop flights on this route connected there.

How often are flights from Seattle to Madrid delayed?

Historically, on average around 0% of flights between Seattle and Madrid have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

What is the most punctual flight time for Seattle to Madrid flights?

Generally, flights departing at night tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What airlines fly to Madrid?

British Airways, Delta and Lufthansa are the top three most popular airlines that fly to Madrid from Seattle according to our data. British Airways is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Madrid. Keep in mind that there are 14 different airlines that fly to Madrid on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Seattle to Madrid?

Charlotte (CLT) has the shortest average layover time for this route: 1h 45m.

Which layover airport has the shortest travel time from Seattle to Madrid?

Flights connecting via Munich (MUC) have the shortest average one-way travel time: 13h 48m.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Madrid Barajas Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Madrid Barajas Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Madrid Barajas Airport?

The number of operators available for flights from Seattle/Tacoma Intl Airport to Madrid Barajas Airport is 14 as of March 2026.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Madrid Barajas Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Madrid Barajas Airport.

What documentation or ID do you need to fly to Madrid Barajas Airport?

The travel and health documents you'll need for your trip to Madrid Barajas Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Madrid Barajas Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$239 Cheap Flights from Seattle to Madrid in 2026

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Find the cheapest flights from Seattle to Madrid

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One-way

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Cheap round-trip flights

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7:15 am - 9:45 am

SEA

MAD

41h 30m

2 stops

6:30 pm - 1:45 pm

MAD

SEA

28h 15m

1 stop

$630Scandinavian Airlines

Fri, May 8 - Fri, May 22

3:55 pm - 12:00 pm

SEA

MAD

35h 05m

1 stop

7:45 pm - 1:45 pm

MAD

SEA

27h 00m

1 stop

$634Scandinavian Airlines

Sun, Sep 13 - Thu, Oct 8

7:10 pm - 10:25 am

SEA

MAD

30h 15m

1 stop

7:40 am - 5:15 pm

MAD

SEA

18h 35m

1 stop

$639Turkish Airlines

Tue, May 5 - Wed, May 13

7:10 pm - 10:25 am

SEA

MAD

30h 15m

1 stop

7:40 am - 5:15 pm

MAD

SEA

18h 35m

1 stop

$640Turkish Airlines

Tue, May 5 - Tue, May 12

7:10 pm - 10:35 pm

SEA

MAD

18h 25m

1 stop

2:40 pm - 5:15 pm

MAD

SEA

35h 35m

1 stop

$641Turkish Airlines

Tue, May 5 - Wed, May 13

7:10 pm - 4:55 pm

SEA

MAD

36h 45m

1 stop

7:40 am - 5:15 pm

MAD

SEA

18h 35m

1 stop

$642Turkish Airlines

Thu, Apr 16 - Thu, Apr 23

6:10 pm - 9:55 pm

SEA

MAD

18h 45m

1 stop

7:05 am - 4:10 pm

MAD

SEA

18h 05m

1 stop

$645Multiple Airlines

Mon, Apr 13 - Mon, Apr 27

3:55 pm - 12:00 pm

SEA

MAD

35h 05m

1 stop

7:45 pm - 1:45 pm

MAD

SEA

27h 00m

1 stop

$648Scandinavian Airlines

Tue, Sep 1 - Thu, Sep 17

7:10 pm - 10:25 am

SEA

MAD

30h 15m

1 stop

6:25 pm - 5:15 pm

MAD

SEA

31h 50m

1 stop

$650Turkish Airlines

Thu, Apr 16 - Wed, Apr 29

7:10 pm - 10:35 pm

SEA

MAD

18h 25m

1 stop

7:40 am - 5:15 pm

MAD

SEA

18h 35m

1 stop

$651Turkish Airlines

Fri, Apr 17 - Tue, Apr 28

Turkish Airlines flights from Seattle to Madrid

Our best Turkish Airlines deals on Seattle to Madrid flight tickets

Turkish Airlines

May 5

SEA7:10 pmSeattle/Tacoma Intl

18h 25m

1 stop

MAD10:35 pmMadrid Barajas

May 13

MAD7:40 amMadrid Barajas

18h 35m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$639

Turkish Airlines

Mar 30

SEA7:10 pmSeattle/Tacoma Intl

33h 25m

1 stop

MAD1:35 pmMadrid Barajas

May 19

MAD7:40 amMadrid Barajas

18h 35m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$640

Turkish Airlines

May 5

SEA7:10 pmSeattle/Tacoma Intl

18h 25m

1 stop

MAD10:35 pmMadrid Barajas

May 13

MAD2:40 pmMadrid Barajas

35h 35m

1 stop

SEA5:15 pmSeattle/Tacoma Intl

$641

Scandinavian Airlines flights from Seattle to Madrid

Our best Scandinavian Airlines deals on Seattle to Madrid flight tickets

Scandinavian Airlines

Sep 20

SEA3:55 pmSeattle/Tacoma Intl

35h 05m

1 stop

MAD12:00 pmMadrid Barajas

Oct 1

MAD7:45 pmMadrid Barajas

27h 00m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$611

Scandinavian Airlines

May 8

SEA7:15 amSeattle/Tacoma Intl

41h 30m

2 stops

MAD9:45 amMadrid Barajas

May 22

MAD6:30 pmMadrid Barajas

28h 15m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$630

Scandinavian Airlines

Sep 13

SEA3:55 pmSeattle/Tacoma Intl

35h 05m

1 stop

MAD12:00 pmMadrid Barajas

Oct 8

MAD7:45 pmMadrid Barajas

27h 00m

1 stop

SEA1:45 pmSeattle/Tacoma Intl

$634

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 5/8

7:15 am-9:45 am

2 stops41h 30m

Madrid Barajas

Fri 5/22

6:30 pm-1:45 pm

1 stop28h 15m

$630

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 9/13

3:55 pm-12:00 pm

1 stop35h 05m

Madrid Barajas

Thu 10/8

7:45 pm-1:45 pm

1 stop27h 00m

$634

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 5/5

7:10 pm-10:25 am

1 stop30h 15m

Madrid Barajas

Wed 5/13

7:40 am-5:15 pm

1 stop18h 35m

$639

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 5/5

7:10 pm-10:25 am

1 stop30h 15m

Madrid Barajas

Tue 5/12

7:40 am-5:15 pm

1 stop18h 35m

$640

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 5/5

7:10 pm-10:35 pm

1 stop18h 25m

Madrid Barajas

Wed 5/13

2:40 pm-5:15 pm

1 stop35h 35m

$641

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Thu 4/16

7:10 pm-4:55 pm

1 stop36h 45m

Madrid Barajas

Thu 4/23

7:40 am-5:15 pm

1 stop18h 35m

$642

Quickest round-trip

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Mon 4/13

6:10 pm-9:55 pm

1 stop18h 45m

Madrid Barajas

Mon 4/27

7:05 am-4:10 pm

1 stop18h 05m

$645

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 9/1

3:55 pm-12:00 pm

1 stop35h 05m

Madrid Barajas

Thu 9/17

7:45 pm-1:45 pm

1 stop27h 00m

$648

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Thu 4/16

7:10 pm-10:25 am

1 stop30h 15m

Madrid Barajas

Wed 4/29

6:25 pm-5:15 pm

1 stop31h 50m

$650

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 4/17

7:10 pm-10:35 pm

1 stop18h 25m

Madrid Barajas

Tue 4/28

7:40 am-5:15 pm

1 stop18h 35m

$651

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to Madrid

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Layovers

What is the cheapest month to fly to Madrid?

The month of January is, on average, the cheapest month to fly to Madrid from Seattle, with most prices found around $492. If you don’t want to visit Madrid in January, then you should wait until February to fly from Seattle, when ticket prices are also cheap, with an average price of $595.

How far in advance should I book a flight to Madrid?

You are more likely to see cheaper flights to Madrid from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Madrid for around $787 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Madrid from Seattle for as low as $702 on momondo.

How have Seattle to Madrid flight prices changed over time?

As of March 2026, prices for Seattle to Madrid flights are approximately 38% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Madrid

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Madrid according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seattle to Madrid (SEA to MAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Madrid

Fastest flight time	13h 50m
Direct flights	None

The fastest flight from Seattle to Madrid takes 13h 50m

There are no direct flights from Seattle to Madrid. There are no popular flight routes from Seattle to Madrid.

Search flight deals

How far is Seattle/Tacoma Intl to Madrid Barajas by plane?
The straight-line distance from Seattle/Tacoma Intl to Madrid Barajas is 5284.3 mi. A reasonable flight in good conditions will take 13h 50m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Madrid Barajas Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Madrid Barajas Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Madrid Barajas Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Madrid Barajas Airport is 14 as of March 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Madrid Barajas Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Madrid Barajas Airport.
What documentation or ID do you need to fly to Madrid Barajas Airport?
The travel and health documents you'll need for your trip to Madrid Barajas Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Madrid Barajas Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Seattle to Madrid?
momondo data reveals that the most frequently booked airline on the route from Seattle to Madrid is British Airways, representing 28% of all bookings. The subsequent popular airlines are Delta at 18%, Lufthansa at 10%, and Air France at 8%.

Best airlines flying from Seattle to Madrid

Compare and see reviews for airlines that fly from Seattle to Madrid with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $123	Free Cancellation	Rating 7.2 2,905 reviews	Search JetBlue flights
Aer Lingus	PriceFrom $438	Free Cancellation	Rating 7.2 1,487 reviews	Search Aer Lingus flights
Scandinavian Airlines	PriceFrom $440	Free Cancellation	Rating 7.3 1,722 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $467	Free Cancellation	Rating 7.9 8,319 reviews	Search Delta flights
United Airlines	PriceFrom $476	Free Cancellation	Rating 7.4 9,467 reviews	Search United Airlines flights
Iberia	PriceFrom $479	Free Cancellation	Rating 7.0 3,150 reviews	Search Iberia flights
British Airways	PriceFrom $480	Free Cancellation	Rating 6.7 7,813 reviews	Search British Airways flights
Air France	PriceFrom $486	Free Cancellation	Rating 7.4 1,550 reviews	Search Air France flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.1 11,493 reviews	Search American Airlines flights
Air Canada	PriceFrom $511	Free Cancellation	Rating 7.1 10,836 reviews	Search Air Canada flights

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San Lorenzo de El Escorial

Guadalajara

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Madrid?

Finding the right flight to Madrid from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Madrid quick and easy, saving you time and money.

Can I find flights from Seattle to Madrid with flexible booking policies on momondo?

momondo does allow users to show only those flights to Madrid from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Madrid?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Madrid.

I’m not ready to book a flight from Seattle to Madrid right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Madrid flights. All you need is a valid email address and we will do the rest; it is that quick and easy.