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 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 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.

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

Aer Lingus, Air Canada, and Iberia are the most popular carriers operating from Seattle/Tacoma Intl to Madrid Barajas

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.

$251 Cheap Flights from Seattle to Madrid in 2026

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Find the cheapest flights from Seattle to Madrid

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:16 am - 8:10 pm

SEA

MAD

23h 54m

2 stops

9:00 pm - 10:38 pm

MAD

SEA

34h 38m

2 stops

$484British Airways

Mon, Apr 20 - Tue, Apr 28

3:48 pm - 6:50 am

SEA

MAD

30h 02m

2 stops

10:50 am - 9:46 am

MAD

SEA

31h 56m

2 stops

$486United Airlines

Sat, Apr 11 - Fri, Apr 24

7:00 am - 7:55 am

SEA

MAD

15h 55m

1 stop

1:00 pm - 10:58 pm

MAD

SEA

18h 58m

1 stop

$491American Airlines

Wed, Apr 22 - Fri, May 1

12:34 pm - 9:35 am

SEA

MAD

36h 01m

1 stop

6:25 pm - 11:35 am

MAD

SEA

26h 10m

1 stop

$502British Airways

Tue, Apr 7 - Mon, Apr 13

8:20 pm - 8:35 pm

SEA

MAD

15h 15m

1 stop

3:55 pm - 12:44 am

MAD

SEA

17h 49m

1 stop

$523British Airways

Fri, Apr 17 - Wed, Apr 22

11:59 pm - 6:50 am

SEA

MAD

21h 51m

2 stops

1:30 pm - 3:48 pm

MAD

SEA

35h 18m

2 stops

$530United Airlines

Sat, Apr 25 - Mon, May 4

1:19 pm - 5:30 pm

SEA

MAD

19h 11m

2 stops

5:30 pm - 11:35 am

MAD

SEA

27h 05m

1 stop

$531British Airways

Mon, Apr 13 - Sun, Apr 26

8:20 pm - 3:50 pm

SEA

MAD

34h 30m

1 stop

5:30 pm - 11:35 am

MAD

SEA

27h 05m

1 stop

$533British Airways

Mon, Apr 13 - Sun, Apr 26

7:00 am - 3:50 pm

SEA

MAD

23h 50m

2 stops

9:00 pm - 10:38 pm

MAD

SEA

34h 38m

2 stops

$534British Airways

Thu, Apr 23 - Mon, Apr 27

8:20 pm - 8:05 pm

SEA

MAD

14h 45m

1 stop

9:00 pm - 10:38 pm

MAD

SEA

34h 38m

2 stops

$536British Airways

Sun, Apr 12 - Sat, Apr 18

United Airlines flights from Seattle to Madrid

Our best United Airlines deals on Seattle to Madrid flight tickets

United Airlines

Apr 11

SEA3:48 pmSeattle/Tacoma Intl

30h 02m

2 stops

MAD6:50 amMadrid Barajas

Apr 24

MAD11:15 amMadrid Barajas

18h 38m

1 stop

SEA8:53 pmSeattle/Tacoma Intl

$486

United Airlines

Apr 15

SEA7:00 amSeattle/Tacoma Intl

17h 00m

2 stops

MAD9:00 amMadrid Barajas

Apr 27

MAD5:55 amMadrid Barajas

24h 02m

2 stops

SEA8:57 pmSeattle/Tacoma Intl

$547

United Airlines

Apr 17

SEA11:35 amSeattle/Tacoma Intl

58h 15m

3 stops

MAD6:50 amMadrid Barajas

May 2

MAD5:55 amMadrid Barajas

26h 34m

2 stops

SEA11:29 pmSeattle/Tacoma Intl

$556

American Airlines flights from Seattle to Madrid

Our best American Airlines deals on Seattle to Madrid flight tickets

American Airlines

Apr 22

SEA7:00 amSeattle/Tacoma Intl

15h 55m

1 stop

MAD7:55 amMadrid Barajas

May 1

MAD1:00 pmMadrid Barajas

18h 58m

1 stop

SEA10:58 pmSeattle/Tacoma Intl

$491

American Airlines

Apr 9

SEA2:10 pmSeattle/Tacoma Intl

15h 15m

1 stop

MAD2:25 pmMadrid Barajas

Apr 21

MAD10:25 amMadrid Barajas

17h 19m

1 stop

SEA6:44 pmSeattle/Tacoma Intl

$541

Fly from

Fly to

Route

Depart

Return

Price

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Mon 4/20

11:16 am-8:10 pm

2 stops23h 54m

Madrid Barajas

Tue 4/28

9:00 pm-10:38 pm

2 stops34h 38m

$484

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 4/11

3:48 pm-6:50 am

2 stops30h 02m

Madrid Barajas

Fri 4/24

10:50 am-9:46 am

2 stops31h 56m

$486

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Wed 4/22

7:00 am-7:55 am

1 stop15h 55m

Madrid Barajas

Fri 5/1

1:00 pm-10:58 pm

1 stop18h 58m

$491

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 4/7

12:34 pm-9:35 am

1 stop36h 01m

Madrid Barajas

Mon 4/13

6:25 pm-11:35 am

1 stop26h 10m

$502

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 4/17

8:20 pm-8:35 pm

1 stop15h 15m

Madrid Barajas

Wed 4/22

3:55 pm-12:44 am

1 stop17h 49m

$523

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 4/25

11:59 pm-6:50 am

2 stops21h 51m

Madrid Barajas

Mon 5/4

1:30 pm-3:48 pm

2 stops35h 18m

$530

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Mon 4/13

1:19 pm-5:30 pm

2 stops19h 11m

Madrid Barajas

Sun 4/26

5:30 pm-11:35 am

1 stop27h 05m

$531

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Mon 4/13

8:20 pm-3:50 pm

1 stop34h 30m

Madrid Barajas

Sun 4/26

5:30 pm-11:35 am

1 stop27h 05m

$533

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Thu 4/23

7:00 am-3:50 pm

2 stops23h 50m

Madrid Barajas

Mon 4/27

9:00 pm-10:38 pm

2 stops34h 38m

$534

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 4/12

8:20 pm-8:05 pm

1 stop14h 45m

Madrid Barajas

Sat 4/18

9:00 pm-10:38 pm

2 stops34h 38m

$536

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 $492. 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 $604.

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 $804 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 $695 on momondo.

How have Seattle to Madrid flight prices changed over time?

As of February 2026, prices for Seattle to Madrid flights are approximately 1% 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 18%, 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 $123	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
Aer Lingus	PriceFrom $425	Free Cancellation	Rating 7.2 1,455 reviews	Search Aer Lingus flights
Scandinavian Airlines	PriceFrom $440	Free Cancellation	Rating 7.3 1,686 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $476	Free Cancellation	Rating 7.4 9,308 reviews	Search United Airlines flights
British Airways	PriceFrom $481	Free Cancellation	Rating 6.7 7,751 reviews	Search British Airways flights
Iberia	PriceFrom $481	Free Cancellation	Rating 7.0 3,117 reviews	Search Iberia flights
Delta	PriceFrom $486	Free Cancellation	Rating 7.9 8,206 reviews	Search Delta flights
American Airlines	PriceFrom $489	Free Cancellation	Rating 7.2 11,294 reviews	Search American Airlines flights
Air France	PriceFrom $496	Free Cancellation	Rating 7.4 1,533 reviews	Search Air France flights
Lufthansa	PriceFrom $501	Free Cancellation	Rating 6.8 7,787 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.