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 layover airport offers the lowest fares from Seattle to Madrid?

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

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

United Airlines, Air Canada, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Madrid Barajas

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.

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

Paris (CDG) was the most common stop: 23% of momondo users choosing 1-stop flights on this route connected there.

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 45% 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.

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 February 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.

$269 Cheap Flights from Seattle to Madrid in 2026

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Round-trip

One-way

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Cheap round-trip flights

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8:00 pm - 6:50 am

SEA

MAD

25h 50m

2 stops

12:45 pm - 9:33 am

MAD

SEA

29h 48m

2 stops

$484Air Canada

Sat, Apr 11 - Fri, Apr 24

11:59 pm - 6:50 am

SEA

MAD

21h 51m

2 stops

5:55 am - 12:20 pm

MAD

SEA

15h 25m

1 stop

$485United Airlines

Sat, Apr 11 - Tue, Apr 21

10:35 pm - 8:05 am

SEA

MAD

24h 30m

2 stops

5:55 am - 12:20 pm

MAD

SEA

15h 25m

1 stop

$486United Airlines

Sun, Apr 12 - Fri, Apr 24

1:45 pm - 1:40 pm

SEA

MAD

14h 55m

1 stop

6:00 am - 11:45 am

MAD

SEA

14h 45m

1 stop

$488KLM

Wed, Apr 15 - Thu, Apr 23

1:30 pm - 3:20 pm

SEA

MAD

16h 50m

2 stops

6:00 am - 12:35 pm

MAD

SEA

14h 35m

1 stop

$489Delta

Tue, Mar 3 - Wed, Mar 11

7:15 am - 8:50 am

SEA

MAD

16h 35m

1 stop

12:00 pm - 11:04 pm

MAD

SEA

19h 04m

1 stop

$491Iberia

Tue, Mar 3 - Tue, Mar 10

8:00 am - 8:05 am

SEA

MAD

15h 05m

1 stop

6:05 am - 11:27 pm

MAD

SEA

26h 22m

3 stops

$492United Airlines

Tue, Apr 14 - Thu, Apr 23

6:40 pm - 9:10 am

SEA

MAD

29h 30m

1 stop

2:35 pm - 10:31 pm

MAD

SEA

16h 56m

1 stop

$493Delta

Sun, Apr 12 - Fri, Apr 24

11:59 pm - 6:50 am

SEA

MAD

21h 51m

2 stops

8:25 am - 10:37 pm

MAD

SEA

23h 12m

2 stops

$495United Airlines

Sat, Apr 11 - Thu, Apr 23

7:10 am - 12:10 pm

SEA

MAD

20h 00m

2 stops

6:00 am - 12:35 pm

MAD

SEA

14h 35m

1 stop

$496Delta

Wed, Mar 4 - Tue, Mar 17

Lufthansa flights from Seattle to Madrid

Our best Lufthansa deals on Seattle to Madrid flight tickets

Lufthansa

Mar 4

SEA3:10 pmSeattle/Tacoma Intl

23h 25m

1 stop

MAD11:35 pmMadrid Barajas

Mar 17

MAD6:35 pmMadrid Barajas

27h 45m

1 stop

SEA2:20 pmSeattle/Tacoma Intl

$497

Lufthansa

Apr 11

SEA3:40 pmSeattle/Tacoma Intl

30h 10m

2 stops

MAD6:50 amMadrid Barajas

Apr 19

MAD8:15 amMadrid Barajas

37h 05m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$544

Lufthansa

Mar 23

SEA3:00 pmSeattle/Tacoma Intl

14h 15m

1 stop

MAD1:15 pmMadrid Barajas

Mar 31

MAD6:25 pmMadrid Barajas

31h 34m

1 stop

SEA4:59 pmSeattle/Tacoma Intl

$549

United Airlines flights from Seattle to Madrid

Our best United Airlines deals on Seattle to Madrid flight tickets

United Airlines

Apr 11

SEA11:59 pmSeattle/Tacoma Intl

21h 51m

2 stops

MAD6:50 amMadrid Barajas

Apr 21

MAD5:55 amMadrid Barajas

15h 25m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$485

United Airlines

Apr 12

SEA10:35 pmSeattle/Tacoma Intl

24h 30m

2 stops

MAD8:05 amMadrid Barajas

Apr 24

MAD5:55 amMadrid Barajas

15h 25m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

$486

United Airlines

Apr 14

SEA8:00 amSeattle/Tacoma Intl

15h 05m

1 stop

MAD8:05 amMadrid Barajas

Apr 23

MAD6:05 amMadrid Barajas

26h 22m

3 stops

SEA11:27 pmSeattle/Tacoma Intl

$492

Fly from

Fly to

Route

Depart

Return

Price

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 4/11

8:00 pm-6:50 am

2 stops25h 50m

Madrid Barajas

Fri 4/24

12:45 pm-9:33 am

2 stops29h 48m

$484

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 4/11

11:59 pm-6:50 am

2 stops21h 51m

Madrid Barajas

Tue 4/21

5:55 am-12:20 pm

1 stop15h 25m

$485

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 4/12

10:35 pm-8:05 am

2 stops24h 30m

Madrid Barajas

Fri 4/24

5:55 am-12:20 pm

1 stop15h 25m

$486

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Wed 4/15

1:45 pm-1:40 pm

1 stop14h 55m

Madrid Barajas

Thu 4/23

6:00 am-11:45 am

1 stop14h 45m

$488

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 3/3

1:30 pm-3:20 pm

2 stops16h 50m

Madrid Barajas

Wed 3/11

6:00 am-12:35 pm

1 stop14h 35m

$489

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 3/3

7:15 am-8:50 am

1 stop16h 35m

Madrid Barajas

Tue 3/10

12:00 pm-11:04 pm

1 stop19h 04m

$491

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 4/14

8:00 am-8:05 am

1 stop15h 05m

Madrid Barajas

Thu 4/23

6:05 am-11:27 pm

3 stops26h 22m

$492

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 4/12

6:40 pm-9:10 am

1 stop29h 30m

Madrid Barajas

Fri 4/24

2:35 pm-10:31 pm

1 stop16h 56m

$493

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 4/11

11:59 pm-6:50 am

2 stops21h 51m

Madrid Barajas

Thu 4/23

8:25 am-10:37 pm

2 stops23h 12m

$495

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Wed 3/4

7:10 am-12:10 pm

2 stops20h 00m

Madrid Barajas

Tue 3/17

6:00 am-12:35 pm

1 stop14h 35m

$496

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 $584. If you don’t want to visit Madrid in January, then you should wait until November to fly from Seattle, when ticket prices are also cheap, with an average price of $654.

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 $836 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 $704 on momondo.

How have Seattle to Madrid flight prices changed over time?

As of February 2026, prices for Seattle to Madrid flights are approximately 4% 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 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 February 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 17%, Iberia at 9%, and Air France at 9%.

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 2,893 reviews	Search JetBlue flights
Aer Lingus	PriceFrom $425	Free Cancellation	Rating 7.2 1,445 reviews	Search Aer Lingus flights
Scandinavian Airlines	PriceFrom $440	Free Cancellation	Rating 7.3 1,677 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $476	Free Cancellation	Rating 7.4 9,235 reviews	Search United Airlines flights
British Airways	PriceFrom $481	Free Cancellation	Rating 6.7 7,715 reviews	Search British Airways flights
Iberia	PriceFrom $481	Free Cancellation	Rating 7.0 3,104 reviews	Search Iberia flights
Delta	PriceFrom $486	Free Cancellation	Rating 7.9 8,144 reviews	Search Delta flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.2 11,221 reviews	Search American Airlines flights
Air France	PriceFrom $496	Free Cancellation	Rating 7.4 1,532 reviews	Search Air France flights
Lufthansa	PriceFrom $501	Free Cancellation	Rating 6.8 7,759 reviews	Search Lufthansa flights

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Segovia

Fuenlabrada

Getafe

Cuenca

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 $269

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 5/3. 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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How to get the cheapest flight ticket from Seattle to 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 $584. If you don’t want to visit Madrid in January, then you should wait until November to fly from Seattle, when ticket prices are also cheap, with an average price of $654.

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

How have Seattle to Madrid flight prices changed over time?

As of February 2026, prices for Seattle to Madrid flights are approximately 4% 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?

United Airlines, Air Canada, and Delta are the most popular carriers 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: 23% 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

Cabin classes currently available on flights to Madrid

List of cabin classes available on flights landing in Madrid. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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