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

British Airways, American Airlines, and Iberia are the most popular carriers 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 airlines fly to Madrid?

British Airways, Iberia and Delta 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 41% 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 airport is the most popular layover for flights between Seattle and Madrid?

Istanbul (IST) was the most common stop: 29% 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 Paris (CDG) have the shortest average one-way travel time: 12h 58m.

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

Paris (CDG) has the shortest average layover time for this route: 1h 26m.

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 September 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.

$281 Cheap Flights from Seattle to Madrid in 2025/26

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Find the cheapest flights from Seattle to Madrid

Round-trip

One-way

Last minute

Cheap round-trip flights

6:50 pm - 5:35 pmSEA-MAD

13h 45m1 stop

10:05 am - 6:36 pmMAD-SEA

17h 31m2 stops

$544

Find Deal

Fri, Oct 10 - Thu, Oct 16

12:00 pm - 8:20 amSEA-MAD

35h 20m1 stop

8:35 am - 11:55 amMAD-SEA

36h 20m1 stop

$545

Find Deal

Sat, Oct 11 - Sat, Oct 18

6:50 pm - 10:25 pmSEA-MAD

18h 35m1 stop

6:00 am - 12:10 pmMAD-SEA

15h 10m1 stop

$546Lufthansa

Find Deal

Sun, Oct 12 - Sat, Nov 8

4:10 pm - 11:35 pmSEA-MAD

23h 25m1 stop

7:25 am - 1:20 pmMAD-SEA

14h 55m1 stop

$547Lufthansa

Find Deal

Fri, Oct 31 - Wed, Nov 12

6:50 pm - 6:30 pmSEA-MAD

14h 40m1 stop

1:15 pm - 10:10 pmMAD-SEA

17h 55m1 stop

$566British Airways

Find Deal

Sat, Nov 15 - Sat, Nov 22

7:20 am - 8:00 amSEA-MAD

15h 40m1 stop

8:05 pm - 11:25 amMAD-SEA

24h 20m1 stop

$571Air France

Find Deal

Sat, Dec 6 - Mon, Dec 15

6:50 pm - 10:10 pmSEA-MAD

18h 20m1 stop

11:35 am - 11:18 pmMAD-SEA

20h 43m1 stop

$581British Airways

Find Deal

Fri, Nov 7 - Sun, Nov 16

6:10 am - 7:55 amSEA-MAD

16h 45m1 stop

12:40 pm - 9:46 pmMAD-SEA

17h 06m1 stop

$582Iberia

Find Deal

Sat, Oct 18 - Thu, Oct 30

1:30 pm - 3:35 pmSEA-MAD

17h 05m1 stop

11:00 am - 10:14 amMAD-SEA

31h 14m2 stops

$597Delta

Find Deal

Thu, Oct 9 - Thu, Oct 30

2:05 pm - 3:20 pmSEA-MAD

16h 15m1 stop

12:35 pm - 1:20 pmMAD-SEA

33h 45m1 stop

$598Delta

Find Deal

Mon, Nov 3 - Sun, Nov 9

Lufthansa flights from Seattle to Madrid

Our best Lufthansa deals on Seattle to Madrid flight tickets

Lufthansa

Oct 12

SEA6:50 pmSeattle/Tacoma Intl

18h 35m

1 stop

MAD10:25 pmMadrid Barajas

Nov 8

MAD6:00 amMadrid Barajas

15h 10m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

$546

Find similar

Lufthansa

Oct 31

SEA4:10 pmSeattle/Tacoma Intl

23h 25m

1 stop

MAD11:35 pmMadrid Barajas

Nov 12

MAD7:25 amMadrid Barajas

14h 55m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

$547

Find similar

Lufthansa

Oct 15

SEA8:00 amSeattle/Tacoma Intl

19h 15m

2 stops

MAD12:15 pmMadrid Barajas

Nov 5

MAD8:30 amMadrid Barajas

36h 40m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

$550

Find similar

Air Canada flights from Seattle to Madrid

Our best Air Canada deals on Seattle to Madrid flight tickets

Air Canada

Oct 16

SEA5:30 amSeattle/Tacoma Intl

16h 10m

2 stops

MAD6:40 amMadrid Barajas

Nov 11

MAD7:25 amMadrid Barajas

20h 51m

2 stops

SEA7:16 pmSeattle/Tacoma Intl

$548

Find similar

Air Canada

Nov 7

SEA5:50 amSeattle/Tacoma Intl

17h 10m

2 stops

MAD8:00 amMadrid Barajas

Nov 16

MAD1:35 pmMadrid Barajas

41h 41m

2 stops

SEA10:16 pmSeattle/Tacoma Intl

$559

Find similar

Air Canada

Nov 15

SEA5:50 amSeattle/Tacoma Intl

17h 10m

2 stops

MAD8:00 amMadrid Barajas

Nov 22

MAD1:35 pmMadrid Barajas

33h 56m

2 stops

SEA2:31 pmSeattle/Tacoma Intl

$563

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 10/10

6:50 pm-5:35 pm

1 stop13h 45m

Madrid Barajas

Thu 10/16

10:05 am-6:36 pm

2 stops17h 31m

$544

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 10/11

12:00 pm-8:20 am

1 stop35h 20m

Madrid Barajas

Sat 10/18

8:35 am-11:55 am

1 stop36h 20m

$545

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 10/12

6:50 pm-10:25 pm

1 stop18h 35m

Madrid Barajas

Sat 11/8

6:00 am-12:10 pm

1 stop15h 10m

$546

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 10/31

4:10 pm-11:35 pm

1 stop23h 25m

Madrid Barajas

Wed 11/12

7:25 am-1:20 pm

1 stop14h 55m

$547

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 11/15

6:50 pm-6:30 pm

1 stop14h 40m

Madrid Barajas

Sat 11/22

1:15 pm-10:10 pm

1 stop17h 55m

$566

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 12/6

7:20 am-8:00 am

1 stop15h 40m

Madrid Barajas

Mon 12/15

8:05 pm-11:25 am

1 stop24h 20m

$571

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 11/7

6:50 pm-10:10 pm

1 stop18h 20m

Madrid Barajas

Sun 11/16

11:35 am-11:18 pm

1 stop20h 43m

$581

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 10/18

6:10 am-7:55 am

1 stop16h 45m

Madrid Barajas

Thu 10/30

12:40 pm-9:46 pm

1 stop17h 06m

$582

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Thu 10/9

1:30 pm-3:35 pm

1 stop17h 05m

Madrid Barajas

Thu 10/30

11:00 am-10:14 am

2 stops31h 14m

$597

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Mon 11/3

2:05 pm-3:20 pm

1 stop16h 15m

Madrid Barajas

Sun 11/9

12:35 pm-1:20 pm

1 stop33h 45m

$598

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

Layovers

What is the cheapest month to fly to Madrid?

The month of September is, on average, the cheapest month to fly to Madrid from Seattle, with most prices found around $692. If you don’t want to visit Madrid in September, then you should wait until October to fly from Seattle, when ticket prices are also cheap, with an average price of $723.

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 $910 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 $777 on momondo.

How have Seattle to Madrid flight prices changed over time?

As of September 2025, prices for Seattle to Madrid flights are approximately 27% 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

Direct flights	None

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 45m.
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 September 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 23% of all bookings. The subsequent popular airlines are Delta at 13%, Iberia at 13%, and Turkish Airlines at 10%.

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 2,912 reviews	Search JetBlue flights
Aer Lingus	PriceFrom $438	Free Cancellation	Rating 7.2 1,270 reviews	Search Aer Lingus flights
Scandinavian Airlines	PriceFrom $475	Free Cancellation	Rating 7.4 1,484 reviews	Search Scandinavian Airlines flights
Iberia	PriceFrom $551	Free Cancellation	Rating 7.0 2,924 reviews	Search Iberia flights
British Airways	PriceFrom $570	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
Air Canada	PriceFrom $581	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Finnair	PriceFrom $586	Free Cancellation	Rating 7.6 1,323 reviews	Search Finnair flights
American Airlines	PriceFrom $591	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $593	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights
KLM	PriceFrom $610	Free Cancellation	Rating 7.8 1,385 reviews	Search KLM flights

Toledo

Segovia

Getafe

Fuenlabrada

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.

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Cheap flights from Seattle to Madrid from $281

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 10/30. 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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Big names and deals

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Filter for what you want

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Cheap round-trip flights

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Lufthansa flights from Seattle to Madrid

Our best Lufthansa deals on Seattle to Madrid flight tickets

Air Canada flights from Seattle to Madrid

Our best Air Canada 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 September is, on average, the cheapest month to fly to Madrid from Seattle, with most prices found around $692. If you don’t want to visit Madrid in September, then you should wait until October to fly from Seattle, when ticket prices are also cheap, with an average price of $723.

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 September 2025, prices for Seattle to Madrid flights are approximately 27% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to Madrid?

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

Istanbul (IST) was the most common stop: 29% 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 Paris (CDG) have the shortest average one-way travel time: 12h 58m.

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

Paris (CDG) has the shortest average layover time for this route: 1h 26m.

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

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