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

Istanbul (IST) 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 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 27m.

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.

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 August 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.

$250 Cheap Flights from Seattle to Madrid in 2025

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Round-trip

One-way

Last minute

Cheap round-trip flights

5:05 pm - 9:55 pmSEA-MAD

19h 50m1 stop

7:05 am - 3:05 pmMAD-SEA

17h 00m1 stop

$500

Find Deal

lun., oct. 13 - vie., oct. 24

5:05 pm - 9:55 pmSEA-MAD

19h 50m1 stop

7:05 am - 3:05 pmMAD-SEA

17h 00m1 stop

$528

Find Deal

mar., sep. 9 - mar., sep. 16

7:00 am - 11:10 amSEA-MAD

20h 10m1 stop

3:35 pm - 8:13 pmMAD-SEA

36h 38m1 stop

$538

Find Deal

dom., oct. 26 - mié., oct. 29

10:30 am - 9:25 amSEA-MAD

13h 55m1 stop

1:00 pm - 11:09 pmMAD-SEA

19h 09m1 stop

$581Iberia

Find Deal

mié., feb. 4 - mié., feb. 25

10:32 am - 2:25 pmSEA-MAD

18h 53m1 stop

12:40 pm - 9:48 pmMAD-SEA

18h 08m1 stop

$587Iberia

Find Deal

mar., oct. 14 - vie., oct. 24

6:50 pm - 6:30 pmSEA-MAD

14h 40m1 stop

6:05 pm - 4:55 pmMAD-SEA

31h 50m1 stop

$596British Airways

Find Deal

mié., ene. 7 - lun., ene. 19

9:59 pm - 7:50 amSEA-MAD

24h 51m1 stop

10:05 am - 8:45 pmMAD-SEA

19h 40m1 stop

$604Delta

Find Deal

sáb., oct. 11 - vie., oct. 24

11:29 am - 7:20 pmSEA-MAD

22h 51m2 stops

12:40 pm - 10:22 pmMAD-SEA

18h 42m1 stop

$616Delta

Find Deal

sáb., oct. 11 - mié., oct. 22

3:40 pm - 9:05 amSEA-MAD

32h 25m1 stop

1:45 pm - 10:04 pmMAD-SEA

17h 19m1 stop

$619British Airways

Find Deal

mar., sep. 16 - mar., sep. 23

6:05 am - 7:55 amSEA-MAD

16h 50m1 stop

1:00 pm - 10:56 pmMAD-SEA

18h 56m1 stop

$637American Airlines

Find Deal

lun., sep. 22 - lun., oct. 6

Iberia flights from Seattle to Madrid

Our best Iberia deals on Seattle to Madrid flight tickets

Iberia

Feb 4

SEA10:30 amSeattle/Tacoma Intl

13h 55m

1 stop

MAD9:25 amMadrid Barajas

Feb 25

MAD1:00 pmMadrid Barajas

19h 09m

1 stop

SEA11:09 pmSeattle/Tacoma Intl

$581

Find similar

Iberia

Oct 14

SEA10:32 amSeattle/Tacoma Intl

18h 53m

1 stop

MAD2:25 pmMadrid Barajas

Oct 24

MAD12:40 pmMadrid Barajas

18h 08m

1 stop

SEA9:48 pmSeattle/Tacoma Intl

$587

Find similar

Iberia

Oct 12

SEA10:39 amSeattle/Tacoma Intl

20h 36m

2 stops

MAD4:15 pmMadrid Barajas

Oct 24

MAD4:40 pmMadrid Barajas

16h 47m

1 stop

SEA12:27 amSeattle/Tacoma Intl

$601

Find similar

Delta flights from Seattle to Madrid

Our best Delta deals on Seattle to Madrid flight tickets

Delta

Oct 11

SEA9:59 pmSeattle/Tacoma Intl

24h 51m

1 stop

MAD7:50 amMadrid Barajas

Oct 24

MAD10:05 amMadrid Barajas

19h 40m

1 stop

SEA8:45 pmSeattle/Tacoma Intl

$604

Find similar

Delta

Oct 11

SEA11:29 amSeattle/Tacoma Intl

22h 51m

2 stops

MAD7:20 pmMadrid Barajas

Oct 22

MAD12:40 pmMadrid Barajas

18h 42m

1 stop

SEA10:22 pmSeattle/Tacoma Intl

$616

Find similar

Delta

Sep 28

SEA9:58 pmSeattle/Tacoma Intl

24h 52m

1 stop

MAD7:50 amMadrid Barajas

Oct 14

MAD10:05 amMadrid Barajas

21h 20m

2 stops

SEA10:25 pmSeattle/Tacoma Intl

$621

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

lun. 10/13

5:05 pm-9:55 pm

1 stop19h 50m

Madrid Barajas

vie. 10/24

7:05 am-3:05 pm

1 stop17h 00m

$500

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

mar. 9/9

5:05 pm-9:55 pm

1 stop19h 50m

Madrid Barajas

mar. 9/16

7:05 am-3:05 pm

1 stop17h 00m

$528

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

dom. 10/26

7:00 am-11:10 am

1 stop20h 10m

Madrid Barajas

mié. 10/29

3:35 pm-8:13 pm

1 stop36h 38m

$538

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

mié. 2/4

10:30 am-9:25 am

1 stop13h 55m

Madrid Barajas

mié. 2/25

1:00 pm-11:09 pm

1 stop19h 09m

$581

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

mar. 10/14

10:32 am-2:25 pm

1 stop18h 53m

Madrid Barajas

vie. 10/24

12:40 pm-9:48 pm

1 stop18h 08m

$587

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

mié. 1/7

6:50 pm-6:30 pm

1 stop14h 40m

Madrid Barajas

lun. 1/19

6:05 pm-4:55 pm

1 stop31h 50m

$596

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

sáb. 10/11

9:59 pm-7:50 am

1 stop24h 51m

Madrid Barajas

vie. 10/24

10:05 am-8:45 pm

1 stop19h 40m

$604

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

sáb. 10/11

11:29 am-7:20 pm

2 stops22h 51m

Madrid Barajas

mié. 10/22

12:40 pm-10:22 pm

1 stop18h 42m

$616

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

mar. 9/16

3:40 pm-9:05 am

1 stop32h 25m

Madrid Barajas

mar. 9/23

1:45 pm-10:04 pm

1 stop17h 19m

$619

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

lun. 9/22

6:05 am-7:55 am

1 stop16h 50m

Madrid Barajas

lun. 10/6

1:00 pm-10:56 pm

1 stop18h 56m

$637

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 February is, on average, the cheapest month to fly to Madrid from Seattle, with most prices found around $726. If you don’t want to visit Madrid in February, then you should wait until November to fly from Seattle, when ticket prices are also cheap, with an average price of $728.

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 $922 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 $790 on momondo.

How have Seattle to Madrid flight prices changed over time?

As of August 2025, prices for Seattle to Madrid flights are approximately 19% 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

Best Price Found	$250
Fastest flight time	13h 20m
Direct flights	None
Airports in Madrid	1 airport

The best one-way flight to Madrid from Seattle in the past 72 hours is $250. The best round-trip flight deal from Seattle to Madrid found on momondo in the last 72 hours is $500.

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

There are no direct flights from Seattle to Madrid. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Madrid Barajas Airport.

There is 1 airport near Madrid: Madrid Barajas (MAD)

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 August 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 25% of all bookings. The subsequent popular airlines are Iberia at 13%, Delta at 12%, and American Airlines at 11%.

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 2,914 reviews	Search JetBlue flights
Scandinavian Airlines	PriceFrom $475	Free Cancellation	Rating 7.4 1,468 reviews	Search Scandinavian Airlines flights
Aer Lingus	PriceFrom $478	Free Cancellation	Rating 7.1 1,214 reviews	Search Aer Lingus flights
Iberia	PriceFrom $572	Free Cancellation	Rating 7.0 2,878 reviews	Search Iberia flights
British Airways	PriceFrom $575	Free Cancellation	Rating 6.6 7,266 reviews	Search British Airways flights
Air Canada	PriceFrom $581	Free Cancellation	Rating 7.1 9,949 reviews	Search Air Canada flights
Finnair	PriceFrom $586	Free Cancellation	Rating 7.6 1,321 reviews	Search Finnair flights
American Airlines	PriceFrom $597	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
KLM	PriceFrom $610	Free Cancellation	Rating 7.8 1,381 reviews	Search KLM flights
United Airlines	PriceFrom $615	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines 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.

An easier way to manage your Madrid trip

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Flights to Arrecifefrom $460

Cheap flights from Seattle to Madrid from $250

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 11/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Seattle to Madrid

Cheap round-trip flights

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Cheap last minute flights

Iberia flights from Seattle to Madrid

Our best Iberia deals on Seattle to Madrid flight tickets

Delta flights from Seattle to Madrid

Our best Delta deals on Seattle to Madrid flight tickets

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Use the filters below to find and compare flights from Seattle to Madrid that are best for you.

See travel insights to Madrid from

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 February is, on average, the cheapest month to fly to Madrid from Seattle, with most prices found around $726. If you don’t want to visit Madrid in February, then you should wait until November to fly from Seattle, when ticket prices are also cheap, with an average price of $728.

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 August 2025, prices for Seattle to Madrid flights are approximately 19% cheaper when compared to flights at the same time last year.

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: 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 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 27m.

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

Best Price Found

Fastest flight time

Direct flights

Airports in Madrid

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