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

Scandinavian Airlines is the most popular carrier operating from Seattle/Tacoma Intl to Madrid Barajas

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

Flights via Chicago (ORD) offer the lowest average round-trip price of $556.

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.

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

Chicago (ORD) has the shortest average layover time for this route: 1h 40m.

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

Paris (CDG) was the most common stop: 26% of momondo users choosing 1-stop flights on this route connected there.

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

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 13h 17m.

What airlines fly to Madrid?

British Airways, Delta and Iberia 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 43% 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.

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.

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 December 2025.

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.

$283 Cheap Flights from Seattle to Madrid in 2025/26

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9:55 pm - 8:00 am

SEA

MAD

25h 05m1 stop

6:00 am - 11:40 am

MAD

SEA

14h 40m1 stop

$467Delta

Sun, Jan 18 - Mon, Feb 2

3:10 pm - 7:40 pm

SEA

MAD

19h 30m1 stop

10:00 am - 8:00 pm

MAD

SEA

19h 00m1 stop

$468KLM

Sat, Jan 17 - Fri, Jan 30

3:10 pm - 11:35 pm

SEA

MAD

23h 25m1 stop

7:25 am - 1:20 pm

MAD

SEA

14h 55m1 stop

$469Lufthansa

Fri, Jan 30 - Fri, Feb 20

7:00 am - 4:40 pm

SEA

MAD

24h 40m2 stops

11:15 am - 4:01 pm

MAD

SEA

37h 46m3 stops

$470United Airlines

Wed, Jan 14 - Thu, Jan 22

10:05 am - 4:10 pm

SEA

MAD

21h 05m2 stops

1:35 pm - 9:31 am

MAD

SEA

28h 56m2 stops

$471Air Canada

Fri, Feb 6 - Tue, Feb 10

7:10 am - 8:00 am

SEA

MAD

15h 50m1 stop

6:00 am - 10:25 pm

MAD

SEA

25h 25m2 stops

$472Delta

Mon, Jan 19 - Sun, Feb 1

12:40 pm - 4:00 pm

SEA

MAD

42h 20m3 stops

1:35 pm - 11:15 pm

MAD

SEA

42h 40m2 stops

$473United Airlines

Sat, Jan 10 - Tue, Jan 20

8:04 am - 4:55 pm

SEA

MAD

23h 51m2 stops

1:15 pm - 10:07 pm

MAD

SEA

17h 52m1 stop

$475British Airways

Fri, Jan 16 - Sun, Jan 25

3:10 pm - 11:35 pm

SEA

MAD

23h 25m1 stop

6:00 am - 12:10 pm

MAD

SEA

15h 10m1 stop

$476Lufthansa

Fri, Jan 9 - Mon, Jan 19

9:55 pm - 8:00 am

SEA

MAD

25h 05m1 stop

6:00 am - 10:25 pm

MAD

SEA

25h 25m2 stops

$477Delta

Sun, Jan 18 - Sun, Feb 1

Delta flights from Seattle to Madrid

Our best Delta deals on Seattle to Madrid flight tickets

Delta

Jan 18

SEA9:55 pmSeattle/Tacoma Intl

25h 05m

1 stop

MAD8:00 amMadrid Barajas

Feb 2

MAD6:00 amMadrid Barajas

14h 40m

1 stop

SEA11:40 amSeattle/Tacoma Intl

$467

Find similar

Delta

Jan 19

SEA7:10 amSeattle/Tacoma Intl

15h 50m

1 stop

MAD8:00 amMadrid Barajas

Feb 1

MAD6:00 amMadrid Barajas

25h 25m

2 stops

SEA10:25 pmSeattle/Tacoma Intl

$472

Find similar

Delta

Jan 18

SEA9:55 pmSeattle/Tacoma Intl

25h 05m

1 stop

MAD8:00 amMadrid Barajas

Feb 1

MAD6:00 amMadrid Barajas

25h 25m

2 stops

SEA10:25 pmSeattle/Tacoma Intl

$477

Find similar

KLM flights from Seattle to Madrid

Our best KLM deals on Seattle to Madrid flight tickets

KLM

Jan 17

SEA3:10 pmSeattle/Tacoma Intl

19h 30m

1 stop

MAD7:40 pmMadrid Barajas

Jan 30

MAD10:00 amMadrid Barajas

19h 00m

1 stop

SEA8:00 pmSeattle/Tacoma Intl

$468

Find similar

KLM

Jan 15

SEA7:10 amSeattle/Tacoma Intl

15h 50m

1 stop

MAD8:00 amMadrid Barajas

Jan 31

MAD6:00 amMadrid Barajas

14h 50m

1 stop

SEA11:50 amSeattle/Tacoma Intl

$481

Find similar

KLM

Feb 17

SEA7:10 amSeattle/Tacoma Intl

15h 50m

1 stop

MAD8:00 amMadrid Barajas

Apr 30

MAD10:25 amMadrid Barajas

14h 25m

1 stop

SEA3:50 pmSeattle/Tacoma Intl

$497

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 1/18

9:55 pm-8:00 am

1 stop25h 05m

Madrid Barajas

Mon 2/2

6:00 am-11:40 am

1 stop14h 40m

$467

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 1/17

3:10 pm-7:40 pm

1 stop19h 30m

Madrid Barajas

Fri 1/30

10:00 am-8:00 pm

1 stop19h 00m

$468

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 1/30

3:10 pm-11:35 pm

1 stop23h 25m

Madrid Barajas

Fri 2/20

7:25 am-1:20 pm

1 stop14h 55m

$469

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Wed 1/14

7:00 am-4:40 pm

2 stops24h 40m

Madrid Barajas

Thu 1/22

11:15 am-4:01 pm

3 stops37h 46m

$470

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 2/6

10:05 am-4:10 pm

2 stops21h 05m

Madrid Barajas

Tue 2/10

1:35 pm-9:31 am

2 stops28h 56m

$471

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Mon 1/19

7:10 am-8:00 am

1 stop15h 50m

Madrid Barajas

Sun 2/1

6:00 am-10:25 pm

2 stops25h 25m

$472

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 1/10

12:40 pm-4:00 pm

3 stops42h 20m

Madrid Barajas

Tue 1/20

1:35 pm-11:15 pm

2 stops42h 40m

$473

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 1/16

8:04 am-4:55 pm

2 stops23h 51m

Madrid Barajas

Sun 1/25

1:15 pm-10:07 pm

1 stop17h 52m

$475

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 1/9

3:10 pm-11:35 pm

1 stop23h 25m

Madrid Barajas

Mon 1/19

6:00 am-12:10 pm

1 stop15h 10m

$476

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 1/18

9:55 pm-8:00 am

1 stop25h 05m

Madrid Barajas

Sun 2/1

6:00 am-10:25 pm

2 stops25h 25m

$477

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 November is, on average, the cheapest month to fly to Madrid from Seattle, with most prices found around $675. If you don’t want to visit Madrid in November, then you should wait until September to fly from Seattle, when ticket prices are also cheap, with an average price of $683.

What is the cheapest day to depart on your flight to Madrid?

The cheapest day to depart on your flight to Madrid is on a Tuesday when prices can be found for as low as $787. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Madrid on Saturday is $1,087.

What is the cheapest time of day to depart on your flight to Madrid?

Flying to Madrid from Seattle in the evening is the least expensive time of day to depart. momondo users have found prices as low as $831 when looking at flights departing in the evening. Flights to Madrid are more costly at noon, with an average ticket price of $1,006. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $871 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 $746 on momondo.

How have Seattle to Madrid flight prices changed over time?

As of December 2025, prices for Seattle to Madrid flights are approximately 8% more expensive 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 20m
Direct flights	None

The fastest flight from Seattle to Madrid takes 13h 20m

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 14h 00m.
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 December 2025.
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 26% of all bookings. The subsequent popular airlines are Delta at 15%, Iberia 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 $360	Free Cancellation	Rating 7.2 2,900 reviews	Search JetBlue flights
Aer Lingus	PriceFrom $438	Free Cancellation	Rating 7.2 1,384 reviews	Search Aer Lingus flights
Scandinavian Airlines	PriceFrom $440	Free Cancellation	Rating 7.4 1,591 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $476	Free Cancellation	Rating 7.4 9,063 reviews	Search United Airlines flights
Delta	PriceFrom $482	Free Cancellation	Rating 7.9 8,011 reviews	Search Delta flights
British Airways	PriceFrom $505	Free Cancellation	Rating 6.7 7,557 reviews	Search British Airways flights
Air Canada	PriceFrom $511	Free Cancellation	Rating 7.1 10,500 reviews	Search Air Canada flights
Air France	PriceFrom $532	Free Cancellation	Rating 7.4 1,500 reviews	Search Air France flights
Iberia	PriceFrom $542	Free Cancellation	Rating 7.0 3,039 reviews	Search Iberia flights
KLM	PriceFrom $564	Free Cancellation	Rating 7.7 1,428 reviews	Search KLM flights

Toledo

Segovia

Getafe

Fuenlabrada

San Lorenzo de El Escorial

Cuenca

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.

An easier way to manage your Madrid trip

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Cheap flights from Seattle to Madrid from $283

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Madrid departing on 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Seattle to Madrid

Our best Delta deals on Seattle to Madrid flight tickets

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Our best KLM deals on Seattle to Madrid flight tickets

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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

What is the cheapest month to fly to Madrid?

The month of November is, on average, the cheapest month to fly to Madrid from Seattle, with most prices found around $675. If you don’t want to visit Madrid in November, then you should wait until September to fly from Seattle, when ticket prices are also cheap, with an average price of $683.

What is the cheapest day to depart on your flight to Madrid?

What is the cheapest time of day to depart on your flight to Madrid?

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

How have Seattle to Madrid flight prices changed over time?

As of December 2025, prices for Seattle to Madrid flights are approximately 8% more expensive when compared to flights at the same time last year.

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

Scandinavian Airlines is the most popular carrier operating from Seattle/Tacoma Intl to Madrid Barajas

What airlines fly to Madrid?

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 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.

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

Paris (CDG) was the most common stop: 26% 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 Chicago (ORD) offer the lowest average round-trip price of $556.

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

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 13h 17m.

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

Chicago (ORD) has the shortest average layover time for this route: 1h 40m.

When to book flights from Seattle to Madrid

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

Direct flights

How far is Seattle/Tacoma Intl to Madrid Barajas by plane?

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

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

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

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

What is the most popular airline from Seattle to Madrid?

Best airlines flying from Seattle to Madrid

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

Traveling to a place near Madrid?

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Madrid trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Spain

Fly your favorite airline to Madrid

Airlines are sorted and displayed according to clicks in the past 7 days on momondo