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 42% of people opting to fly with this airline when traveling to Madrid. Keep in mind that there are 13 different airlines that fly to Madrid on a routine basis, so you have a few additional options to choose from.

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.

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 49m.

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

Boston (BOS) has the shortest average layover time for this route: 1h 38m.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Madrid Barajas?

British Airways, JetBlue, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Madrid Barajas

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.

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.

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

Chicago (ORD) was the most common stop: 14% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Paris (CDG) offer the lowest average round-trip price of $531.

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 13 as of May 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.

$279 Cheap Flights from Seattle to Madrid in 2026

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Find the cheapest flights from Seattle to Madrid

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:50 pm - 5:40 pm

SEA

MAD

13h 50m

1 stop

11:50 am - 4:59 pm

MAD

SEA

14h 09m

1 stop

$895Lufthansa

Thu, Oct 1 - Sat, Oct 10

6:50 pm - 5:40 pm

SEA

MAD

13h 50m

1 stop

5:55 am - 6:32 pm

MAD

SEA

21h 37m

2 stops

$899Lufthansa

Sun, Sep 6 - Sun, Sep 20

6:50 pm - 10:30 pm

SEA

MAD

18h 40m

1 stop

7:00 am - 4:59 pm

MAD

SEA

18h 59m

1 stop

$901Lufthansa

Sun, Sep 6 - Sun, Sep 20

7:20 pm - 6:50 am

SEA

MAD

26h 30m

2 stops

12:45 pm - 10:42 pm

MAD

SEA

18h 57m

2 stops

$908Air Canada

Thu, Oct 1 - Sat, Oct 10

7:20 pm - 6:50 am

SEA

MAD

26h 30m

2 stops

5:55 am - 11:55 am

MAD

SEA

15h 00m

1 stop

$911Multiple Airlines

Tue, Sep 1 - Sun, Sep 20

6:05 pm - 9:55 pm

SEA

MAD

18h 50m

1 stop

7:05 am - 3:40 pm

MAD

SEA

17h 35m

1 stop

$912Multiple Airlines

Tue, Sep 1 - Sun, Sep 20

11:13 pm - 6:20 am

SEA

MAD

22h 07m

1 stop

6:00 am - 11:47 am

MAD

SEA

14h 47m

1 stop

$913Delta

Sat, Aug 22 - Sat, Sep 12

7:20 pm - 6:50 am

SEA

MAD

26h 30m

2 stops

12:45 pm - 10:42 pm

MAD

SEA

18h 57m

2 stops

$914Air Canada

Tue, Sep 1 - Sun, Sep 13

7:20 pm - 6:50 am

SEA

MAD

26h 30m

2 stops

6:25 pm - 11:55 am

MAD

SEA

26h 30m

2 stops

$915Multiple Airlines

Sat, Aug 22 - Mon, Aug 31

7:29 am - 6:20 am

SEA

MAD

13h 51m

1 stop

6:00 am - 11:37 am

MAD

SEA

14h 37m

1 stop

$916Delta

Wed, Aug 12 - Tue, Aug 25

Lufthansa flights from Seattle to Madrid

Our best Lufthansa deals on Seattle to Madrid flight tickets

Lufthansa

Oct 1

SEA6:50 pmSeattle/Tacoma Intl

13h 50m

1 stop

MAD5:40 pmMadrid Barajas

Oct 10

MAD11:50 amMadrid Barajas

14h 09m

1 stop

SEA4:59 pmSeattle/Tacoma Intl

$895

Lufthansa

Sep 6

SEA6:50 pmSeattle/Tacoma Intl

13h 50m

1 stop

MAD5:40 pmMadrid Barajas

Sep 20

MAD5:55 amMadrid Barajas

21h 37m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

$899

Lufthansa

Aug 5

SEA6:50 pmSeattle/Tacoma Intl

13h 50m

1 stop

MAD5:40 pmMadrid Barajas

Aug 18

MAD12:45 pmMadrid Barajas

19h 03m

2 stops

SEA10:48 pmSeattle/Tacoma Intl

$908

JetBlue flights from Seattle to Madrid

Our best JetBlue deals on Seattle to Madrid flight tickets

JetBlue

Jul 10

SEA11:45 amSeattle/Tacoma Intl

14h 45m

1 stop

MAD11:30 amMadrid Barajas

Sep 1

MAD2:05 pmMadrid Barajas

17h 44m

1 stop

SEA10:49 pmSeattle/Tacoma Intl

$946

JetBlue

Jun 4

SEA11:35 amSeattle/Tacoma Intl

14h 55m

1 stop

MAD11:30 amMadrid Barajas

Jun 11

MAD2:05 pmMadrid Barajas

17h 44m

1 stop

SEA10:49 pmSeattle/Tacoma Intl

$1,076

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Thu 10/1

6:50 pm-5:40 pm

1 stop13h 50m

Madrid Barajas

Sat 10/10

11:50 am-4:59 pm

1 stop14h 09m

$895

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 9/6

6:50 pm-5:40 pm

1 stop13h 50m

Madrid Barajas

Sun 9/20

5:55 am-6:32 pm

2 stops21h 37m

$899

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 9/6

6:50 pm-10:30 pm

1 stop18h 40m

Madrid Barajas

Sun 9/20

7:00 am-4:59 pm

1 stop18h 59m

$901

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Thu 10/1

7:20 pm-6:50 am

2 stops26h 30m

Madrid Barajas

Sat 10/10

12:45 pm-10:42 pm

2 stops18h 57m

$908

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 9/1

7:20 pm-6:50 am

2 stops26h 30m

Madrid Barajas

Sun 9/20

5:55 am-11:55 am

1 stop15h 00m

$911

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 9/1

6:05 pm-9:55 pm

1 stop18h 50m

Madrid Barajas

Sun 9/20

7:05 am-3:40 pm

1 stop17h 35m

$912

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 8/22

11:13 pm-6:20 am

1 stop22h 07m

Madrid Barajas

Sat 9/12

6:00 am-11:47 am

1 stop14h 47m

$913

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 9/1

7:20 pm-6:50 am

2 stops26h 30m

Madrid Barajas

Sun 9/13

12:45 pm-10:42 pm

2 stops18h 57m

$914

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 8/22

7:20 pm-6:50 am

2 stops26h 30m

Madrid Barajas

Mon 8/31

6:25 pm-11:55 am

2 stops26h 30m

$915

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Wed 8/12

7:29 am-6:20 am

1 stop13h 51m

Madrid Barajas

Tue 8/25

6:00 am-11:37 am

1 stop14h 37m

$916

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 typical price of a round-trip flight between Seattle and Madrid?

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 $490. 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 $596.

How far in advance should I book a flight from Seattle 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 $779 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 $613 on momondo.

How have Seattle to Madrid flight prices changed over time?

As of May 2026, prices for Seattle to Madrid flights are approximately 41% 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.

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Frequently asked questions about flying from Seattle to Madrid

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 13 as of May 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 20%, Lufthansa at 12%, and Air France at 7%.

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 2,981 reviews	Search JetBlue flights
Aer Lingus	PriceFrom $425	Free Cancellation	Rating 7.3 1,573 reviews	Search Aer Lingus flights
Iberia	PriceFrom $439	Free Cancellation	Rating 7.0 3,220 reviews	Search Iberia flights
United Airlines	PriceFrom $476	Free Cancellation	Rating 7.4 9,751 reviews	Search United Airlines flights
British Airways	PriceFrom $479	Free Cancellation	Rating 6.7 7,992 reviews	Search British Airways flights
Air France	PriceFrom $486	Free Cancellation	Rating 7.4 1,590 reviews	Search Air France flights
Delta	PriceFrom $486	Free Cancellation	Rating 7.9 8,449 reviews	Search Delta flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.1 11,644 reviews	Search American Airlines flights
Air Canada	PriceFrom $511	Free Cancellation	Rating 7.1 11,075 reviews	Search Air Canada flights
Lufthansa	PriceFrom $536	Free Cancellation	Rating 6.8 8,018 reviews	Search Lufthansa flights

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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.