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

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $517.

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.

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 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.

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

Paris (CDG) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

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 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.

$278 Cheap Flights from Seattle to Madrid in 2025/26

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Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 pm - 8:00 am

SEA

MAD

27h 00m2 stops

7:25 am - 1:20 pm

MAD

SEA

14h 55m1 stop

$461Multiple Airlines

Wed, Feb 11 - Wed, Feb 25

9:55 am - 11:35 pm

SEA

MAD

28h 40m2 stops

5:55 am - 7:16 pm

MAD

SEA

22h 21m2 stops

$463Lufthansa

Fri, Feb 6 - Sun, Feb 15

2:00 pm - 3:50 pm

SEA

MAD

16h 50m1 stop

10:10 am - 9:12 pm

MAD

SEA

20h 02m2 stops

$464Multiple Airlines

Mon, Jan 19 - Mon, Feb 2

3:10 pm - 11:35 pm

SEA

MAD

23h 25m1 stop

7:25 am - 1:20 pm

MAD

SEA

14h 55m1 stop

$465Lufthansa

Fri, Jan 30 - Fri, Feb 20

9:55 am - 8:00 am

SEA

MAD

37h 05m2 stops

1:35 pm - 7:16 pm

MAD

SEA

38h 41m2 stops

$466Lufthansa

Tue, Jan 20 - Tue, Jan 27

3:40 pm - 8:00 am

SEA

MAD

31h 20m2 stops

7:25 am - 1:20 pm

MAD

SEA

14h 55m1 stop

$470Lufthansa

Sat, Jan 17 - Sun, Jan 25

1:35 pm - 2:15 pm

SEA

MAD

15h 40m1 stop

1:15 pm - 10:07 pm

MAD

SEA

17h 52m1 stop

$471British Airways

Sat, Jan 17 - Sat, Jan 24

5:50 am - 8:00 am

SEA

MAD

17h 10m2 stops

1:35 pm - 7:16 pm

MAD

SEA

38h 41m2 stops

$472Multiple Airlines

Thu, Jan 22 - Fri, Feb 27

3:00 pm - 1:00 pm

SEA

MAD

14h 00m1 stop

6:00 am - 1:10 pm

MAD

SEA

15h 10m1 stop

$474Lufthansa

Tue, Mar 10 - Tue, Mar 24

8:04 am - 1:35 pm

SEA

MAD

20h 31m2 stops

1:45 pm - 11:30 pm

MAD

SEA

17h 45m1 stop

$476British Airways

Thu, Feb 5 - Wed, Mar 11

United Airlines flights from Seattle to Madrid

Our best United Airlines deals on Seattle to Madrid flight tickets

United Airlines

Mar 1

SEA11:35 pmSeattle/Tacoma Intl

23h 25m

2 stops

MAD8:00 amMadrid Barajas

Mar 10

MAD12:40 pmMadrid Barajas

42h 13m

2 stops

SEA10:53 pmSeattle/Tacoma Intl

$472

Find similar

United Airlines

Feb 23

SEA11:59 pmSeattle/Tacoma Intl

24h 16m

2 stops

MAD9:15 amMadrid Barajas

Mar 2

MAD1:35 pmMadrid Barajas

42h 08m

2 stops

SEA10:43 pmSeattle/Tacoma Intl

$473

Find similar

United Airlines

Jan 23

SEA7:00 amSeattle/Tacoma Intl

17h 15m

2 stops

MAD9:15 amMadrid Barajas

Feb 1

MAD5:55 amMadrid Barajas

24h 17m

2 stops

SEA9:12 pmSeattle/Tacoma Intl

$480

Find similar

British Airways flights from Seattle to Madrid

Our best British Airways deals on Seattle to Madrid flight tickets

British Airways

Feb 5

SEA8:04 amSeattle/Tacoma Intl

18h 51m

2 stops

MAD11:55 amMadrid Barajas

Mar 11

MAD10:35 amMadrid Barajas

20h 55m

2 stops

SEA11:30 pmSeattle/Tacoma Intl

$481

Find similar

British Airways

Jan 27

SEA6:50 pmSeattle/Tacoma Intl

31h 10m

1 stop

MAD11:00 amMadrid Barajas

Feb 10

MAD2:35 pmMadrid Barajas

35h 20m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

$482

Find similar

British Airways

Jan 17

SEA6:12 amSeattle/Tacoma Intl

20h 43m

2 stops

MAD11:55 amMadrid Barajas

Jan 24

MAD12:00 pmMadrid Barajas

19h 20m

1 stop

SEA10:20 pmSeattle/Tacoma Intl

$514

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Wed 2/11

8:00 pm-8:00 am

2 stops27h 00m

Madrid Barajas

Wed 2/25

7:25 am-1:20 pm

1 stop14h 55m

$461

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 2/6

9:55 am-11:35 pm

2 stops28h 40m

Madrid Barajas

Sun 2/15

5:55 am-7:16 pm

2 stops22h 21m

$463

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Mon 1/19

2:00 pm-3:50 pm

1 stop16h 50m

Madrid Barajas

Mon 2/2

10:10 am-9:12 pm

2 stops20h 02m

$464

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

$465

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 1/20

9:55 am-8:00 am

2 stops37h 05m

Madrid Barajas

Tue 1/27

1:35 pm-7:16 pm

2 stops38h 41m

$466

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 1/17

3:40 pm-8:00 am

2 stops31h 20m

Madrid Barajas

Sun 1/25

7:25 am-1:20 pm

1 stop14h 55m

$470

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 1/17

1:35 pm-2:15 pm

1 stop15h 40m

Madrid Barajas

Sat 1/24

1:15 pm-10:07 pm

1 stop17h 52m

$471

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Thu 1/22

5:50 am-8:00 am

2 stops17h 10m

Madrid Barajas

Fri 2/27

1:35 pm-7:16 pm

2 stops38h 41m

$472

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 3/10

3:00 pm-1:00 pm

1 stop14h 00m

Madrid Barajas

Tue 3/24

6:00 am-1:10 pm

1 stop15h 10m

$474

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Thu 2/5

8:04 am-1:35 pm

2 stops20h 31m

Madrid Barajas

Wed 3/11

1:45 pm-11:30 pm

1 stop17h 45m

$476

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 $655. 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 $684.

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 $874 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 $747 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 13h 20m.
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 11%, and American Airlines 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 2,896 reviews	Search JetBlue flights
Aer Lingus	PriceFrom $438	Free Cancellation	Rating 7.2 1,410 reviews	Search Aer Lingus flights
Scandinavian Airlines	PriceFrom $440	Free Cancellation	Rating 7.4 1,617 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $476	Free Cancellation	Rating 7.4 9,102 reviews	Search United Airlines flights
Delta	PriceFrom $482	Free Cancellation	Rating 7.9 8,013 reviews	Search Delta flights
British Airways	PriceFrom $484	Free Cancellation	Rating 6.7 7,605 reviews	Search British Airways flights
Air Canada	PriceFrom $511	Free Cancellation	Rating 7.1 10,551 reviews	Search Air Canada flights
Air France	PriceFrom $532	Free Cancellation	Rating 7.4 1,511 reviews	Search Air France flights
Iberia	PriceFrom $543	Free Cancellation	Rating 7.0 3,055 reviews	Search Iberia flights
Lufthansa	PriceFrom $564	Free Cancellation	Rating 6.8 7,646 reviews	Search Lufthansa flights

Toledo

Segovia

Getafe

Fuenlabrada

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.

An easier way to manage your Madrid trip

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Cheap flights from Seattle to Madrid from $278

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 2/4. 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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Our best British Airways deals on Seattle to Madrid flight tickets

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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 November is, on average, the cheapest month to fly to Madrid from Seattle, with most prices found around $655. 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 $684.

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 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: 27% 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 Frankfurt am Main (FRA) offer the lowest average round-trip price of $517.

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