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, 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 40% 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?

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

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: 26% 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 Chicago (ORD) have the shortest average one-way travel time: 13h 17m.

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 November 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.

$262 Cheap Flights from Seattle to Madrid in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Seattle to Madrid

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 8:00 amSEA-MAD

55h 20m2 stops

7:25 am - 1:20 pmMAD-SEA

14h 55m1 stop

$489Lufthansa

Find Deal

Tue, Jan 6 - Fri, Jan 16

2:10 pm - 11:35 pmSEA-MAD

24h 25m2 stops

6:00 am - 12:10 pmMAD-SEA

15h 10m1 stop

$490Lufthansa

Find Deal

Thu, Jan 8 - Thu, Jan 29

8:00 pm - 1:00 pmSEA-MAD

32h 00m2 stops

5:55 am - 9:31 amMAD-SEA

36h 36m2 stops

$491Air Canada

Find Deal

Sat, Nov 22 - Wed, Dec 3

8:00 pm - 1:00 pmSEA-MAD

32h 00m2 stops

1:35 pm - 2:31 pmMAD-SEA

33h 56m2 stops

$492Air Canada

Find Deal

Sat, Nov 22 - Wed, Dec 3

7:00 am - 4:40 pmSEA-MAD

24h 40m2 stops

11:15 am - 4:01 pmMAD-SEA

37h 46m3 stops

$501United Airlines

Find Deal

Wed, Jan 14 - Wed, Jan 21

8:30 am - 9:15 amSEA-MAD

15h 45m1 stop

6:00 am - 12:35 pmMAD-SEA

14h 35m1 stop

$506KLM

Find Deal

Mon, Feb 23 - Fri, Mar 13

7:00 am - 4:40 pmSEA-MAD

24h 40m2 stops

1:35 pm - 6:27 pmMAD-SEA

61h 52m3 stops

$507United Airlines

Find Deal

Thu, Jan 15 - Mon, Jan 19

9:59 pm - 8:00 amSEA-MAD

25h 01m1 stop

6:00 am - 1:05 pmMAD-SEA

16h 05m1 stop

$512Delta

Find Deal

Tue, Jan 20 - Sun, Mar 1

6:04 am - 9:15 amSEA-MAD

18h 11m1 stop

6:00 am - 8:31 pmMAD-SEA

22h 31m2 stops

$516Delta

Find Deal

Mon, Feb 23 - Fri, Mar 13

6:00 am - 8:00 amSEA-MAD

17h 00m1 stop

8:30 pm - 11:50 amMAD-SEA

24h 20m1 stop

$553KLM

Find Deal

Fri, Nov 28 - Sun, Dec 7

Air Canada flights from Seattle to Madrid

Our best Air Canada deals on Seattle to Madrid flight tickets

Air Canada

Nov 22

SEA8:00 pmSeattle/Tacoma Intl

32h 00m

2 stops

MAD1:00 pmMadrid Barajas

Dec 3

MAD5:55 amMadrid Barajas

36h 36m

2 stops

SEA9:31 amSeattle/Tacoma Intl

$491

Find similar

Air Canada

Nov 22

SEA8:00 pmSeattle/Tacoma Intl

32h 00m

2 stops

MAD1:00 pmMadrid Barajas

Dec 3

MAD1:35 pmMadrid Barajas

33h 56m

2 stops

SEA2:31 pmSeattle/Tacoma Intl

$492

Find similar

Air Canada

Feb 23

SEA5:50 amSeattle/Tacoma Intl

17h 10m

2 stops

MAD8:00 amMadrid Barajas

Mar 13

MAD12:35 pmMadrid Barajas

41h 41m

2 stops

SEA10:16 pmSeattle/Tacoma Intl

$530

Find similar

United Airlines flights from Seattle to Madrid

Our best United Airlines deals on Seattle to Madrid flight tickets

United Airlines

Nov 15

SEA11:30 pmSeattle/Tacoma Intl

23h 30m

2 stops

MAD8:00 amMadrid Barajas

Nov 25

MAD6:25 amMadrid Barajas

36h 25m

2 stops

SEA9:50 amSeattle/Tacoma Intl

$495

Find similar

United Airlines

Nov 8

SEA11:30 pmSeattle/Tacoma Intl

23h 35m

2 stops

MAD8:05 amMadrid Barajas

Dec 8

MAD1:45 pmMadrid Barajas

31h 25m

1 stop

SEA12:10 pmSeattle/Tacoma Intl

$500

Find similar

United Airlines

Jan 14

SEA7:00 amSeattle/Tacoma Intl

24h 40m

2 stops

MAD4:40 pmMadrid Barajas

Jan 21

MAD11:15 amMadrid Barajas

37h 46m

3 stops

SEA4:01 pmSeattle/Tacoma Intl

$501

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 1/6

3:40 pm-8:00 am

2 stops55h 20m

Madrid Barajas

Fri 1/16

7:25 am-1:20 pm

1 stop14h 55m

$489

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Thu 1/8

2:10 pm-11:35 pm

2 stops24h 25m

Madrid Barajas

Thu 1/29

6:00 am-12:10 pm

1 stop15h 10m

$490

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 11/22

8:00 pm-1:00 pm

2 stops32h 00m

Madrid Barajas

Wed 12/3

5:55 am-9:31 am

2 stops36h 36m

$491

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 11/22

8:00 pm-1:00 pm

2 stops32h 00m

Madrid Barajas

Wed 12/3

1:35 pm-2:31 pm

2 stops33h 56m

$492

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Wed 1/14

7:00 am-4:40 pm

2 stops24h 40m

Madrid Barajas

Wed 1/21

11:15 am-4:01 pm

3 stops37h 46m

$501

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Mon 2/23

8:30 am-9:15 am

1 stop15h 45m

Madrid Barajas

Fri 3/13

6:00 am-12:35 pm

1 stop14h 35m

$506

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Thu 1/15

7:00 am-4:40 pm

2 stops24h 40m

Madrid Barajas

Mon 1/19

1:35 pm-6:27 pm

3 stops61h 52m

$507

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 1/20

9:59 pm-8:00 am

1 stop25h 01m

Madrid Barajas

Sun 3/1

6:00 am-1:05 pm

1 stop16h 05m

$512

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Mon 2/23

6:04 am-9:15 am

1 stop18h 11m

Madrid Barajas

Fri 3/13

6:00 am-8:31 pm

2 stops22h 31m

$516

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 11/28

6:00 am-8:00 am

1 stop17h 00m

Madrid Barajas

Sun 12/7

8:30 pm-11:50 am

1 stop24h 20m

$553

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 September is, on average, the cheapest month to fly to Madrid from Seattle, with most prices found around $683. If you don’t want to visit Madrid in September, then you should wait until November to fly from Seattle, when ticket prices are also cheap, with an average price of $696.

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 $890 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 $767 on momondo.

How have Seattle to Madrid flight prices changed over time?

As of November 2025, prices for Seattle to Madrid flights are approximately 35% 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

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 14h 00m.
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 November 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 14%, Iberia at 13%, 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 2,907 reviews	Search JetBlue flights
Aer Lingus	PriceFrom $438	Free Cancellation	Rating 7.2 1,365 reviews	Search Aer Lingus flights
Scandinavian Airlines	PriceFrom $475	Free Cancellation	Rating 7.4 1,560 reviews	Search Scandinavian Airlines flights
Air Canada	PriceFrom $511	Free Cancellation	Rating 7.1 10,410 reviews	Search Air Canada flights
United Airlines	PriceFrom $518	Free Cancellation	Rating 7.4 9,003 reviews	Search United Airlines flights
Air France	PriceFrom $532	Free Cancellation	Rating 7.4 1,484 reviews	Search Air France flights
Delta	PriceFrom $535	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
British Airways	PriceFrom $538	Free Cancellation	Rating 6.7 7,496 reviews	Search British Airways flights
Iberia	PriceFrom $546	Free Cancellation	Rating 7.0 3,007 reviews	Search Iberia flights
Lufthansa	PriceFrom $570	Free Cancellation	Rating 6.8 7,555 reviews	Search Lufthansa flights

Toledo

Segovia

Getafe

Fuenlabrada

San Lorenzo de El Escorial

Cuenca

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

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sat 12/6

Sat 12/13

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Spain

Cheap flights from Seattle to Madrid from $262

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 3/15. 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

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Seattle to Madrid

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Air Canada flights from Seattle to Madrid

Our best Air Canada deals on Seattle to Madrid flight tickets

United Airlines flights from Seattle to Madrid

Our best United Airlines deals on Seattle to Madrid flight tickets

momondo Fare Finder

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 September is, on average, the cheapest month to fly to Madrid from Seattle, with most prices found around $683. If you don’t want to visit Madrid in September, then you should wait until November to fly from Seattle, when ticket prices are also cheap, with an average price of $696.

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 November 2025, prices for Seattle to Madrid flights are approximately 35% 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?

British Airways, Aer Lingus, and Air Canada 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: 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 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

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