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

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

What airlines fly to Seattle?

Delta, Iberia and Air France are the top three most popular airlines that fly to Seattle from Madrid according to our data. Delta is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Madrid Barajas Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Madrid Barajas Airport to Seattle/Tacoma Intl Airport were last updated today.

How many operators does momondo search for flights from Madrid Barajas Airport to Seattle/Tacoma Intl Airport?

There are 5 operators available for flights from Madrid Barajas Airport to Seattle/Tacoma Intl Airport as of July 2025.

How old do you have to be to fly from Madrid Barajas Airport to Seattle/Tacoma Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Madrid Barajas Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$287 Cheap Flights from Madrid to Seattle in 2025

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Find the cheapest flights from Madrid to Seattle

Round-trip

One-way

Cheap round-trip flights

7:05 am - 3:05 pmMAD-SEA

17h 00m1 stop

5:05 pm - 9:55 pmSEA-MAD

19h 50m1 stop

$619

Find Deal

Mon, Sep 29 - Mon, Oct 6

7:05 am - 3:40 pmMAD-SEA

17h 35m1 stop

5:40 pm - 9:55 pmSEA-MAD

19h 15m1 stop

$657

Find Deal

Mon, Nov 10 - Sat, Nov 22

7:05 am - 3:40 pmMAD-SEA

17h 35m1 stop

5:40 pm - 9:55 pmSEA-MAD

19h 15m1 stop

$661

Find Deal

Mon, Nov 10 - Sat, Nov 22

7:05 am - 3:05 pmMAD-SEA

17h 00m1 stop

5:05 pm - 9:55 pmSEA-MAD

19h 50m1 stop

$662

Find Deal

Fri, Aug 29 - Sun, Sep 14

7:05 am - 3:40 pmMAD-SEA

17h 35m1 stop

5:40 pm - 9:55 pmSEA-MAD

19h 15m1 stop

$663

Find Deal

Mon, Nov 10 - Sat, Nov 22

1:30 pm - 10:19 amMAD-SEA

29h 49m1 stop

11:30 am - 11:30 amSEA-MAD

15h 00m1 stop

$704JetBlue

Find Deal

Mon, Sep 29 - Mon, Oct 6

1:30 pm - 9:59 pmMAD-SEA

17h 29m1 stop

11:30 am - 11:30 amSEA-MAD

15h 00m1 stop

$734JetBlue

Find Deal

Tue, Aug 26 - Tue, Sep 2

1:30 pm - 9:59 pmMAD-SEA

17h 29m1 stop

11:30 am - 11:30 amSEA-MAD

15h 00m1 stop

$735JetBlue

Find Deal

Wed, Aug 27 - Thu, Sep 18

4:40 pm - 12:27 amMAD-SEA

16h 47m1 stop

1:35 pm - 12:55 pmSEA-MAD

14h 20m1 stop

$765British Airways

Find Deal

Mon, Oct 13 - Sat, Oct 25

1:45 pm - 10:16 pmMAD-SEA

17h 31m1 stop

7:50 pm - 7:45 pmSEA-MAD

15h 55m1 stop

$766British Airways

Find Deal

Mon, Oct 13 - Sat, Oct 25

JetBlue flights from Madrid to Seattle

Our best JetBlue deals on Madrid to Seattle flight tickets

JetBlue

Sep 29

MAD1:30 pmMadrid Barajas

29h 49m

1 stop

SEA10:19 amSeattle/Tacoma Intl

Oct 6

SEA11:30 amSeattle/Tacoma Intl

15h 00m

1 stop

MAD11:30 amMadrid Barajas

$704

Find similar

JetBlue

Aug 26

MAD1:30 pmMadrid Barajas

17h 29m

1 stop

SEA9:59 pmSeattle/Tacoma Intl

Sep 2

SEA11:30 amSeattle/Tacoma Intl

15h 00m

1 stop

MAD11:30 amMadrid Barajas

$734

Find similar

JetBlue

Aug 27

MAD1:30 pmMadrid Barajas

17h 29m

1 stop

SEA9:59 pmSeattle/Tacoma Intl

Sep 18

SEA11:30 amSeattle/Tacoma Intl

15h 00m

1 stop

MAD11:30 amMadrid Barajas

$735

Find similar

British Airways flights from Madrid to Seattle

Our best British Airways deals on Madrid to Seattle flight tickets

British Airways

Oct 13

MAD4:40 pmMadrid Barajas

16h 47m

1 stop

SEA12:27 amSeattle/Tacoma Intl

Oct 25

SEA1:35 pmSeattle/Tacoma Intl

14h 20m

1 stop

MAD12:55 pmMadrid Barajas

$765

Find similar

British Airways

Oct 13

MAD1:45 pmMadrid Barajas

17h 31m

1 stop

SEA10:16 pmSeattle/Tacoma Intl

Oct 25

SEA7:50 pmSeattle/Tacoma Intl

15h 55m

1 stop

MAD7:45 pmMadrid Barajas

$766

Find similar

British Airways

Jul 22

MAD1:45 pmMadrid Barajas

16h 58m

1 stop

SEA9:43 pmSeattle/Tacoma Intl

Aug 5

SEA7:49 amSeattle/Tacoma Intl

16h 16m

1 stop

MAD9:05 amMadrid Barajas

$951

Find similar

How to get the cheapest flight ticket from Madrid to Seattle

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

What is the cheapest month to fly to Seattle?

In general, February is the cheapest month to fly from Madrid to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $626. If you don’t want to visit Seattle in February, then you should wait until May to fly from Madrid, when ticket prices are also cheap, with an average price of $741.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Madrid is on a Saturday. momondo users have found tickets for Saturday departures for as low as $753. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from Madrid because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,102.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Madrid in the evening is the least expensive time of day to depart. momondo users have found prices as low as $772 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $1,000. 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 Seattle?

You are more likely to see cheaper flights to Seattle from Madrid when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $874 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Madrid for as low as $659 on momondo.

How have Madrid to Seattle flight prices changed over time?

As of July 2025, prices for Madrid to Seattle flights are approximately 7% more expensive when compared to flights at the same time last year.

When to book flights from Madrid to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Madrid to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Madrid to Seattle (MAD to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Madrid to Seattle

Best Price Found	$287
Fastest flight time	16h 01m
Direct flights	None
Airports in Seattle	1 airport

The best one-way flight to Seattle from Madrid in the past 72 hours is $287. The best round-trip flight deal from Madrid to Seattle found on momondo in the last 72 hours is $619.

The fastest flight from Madrid to Seattle takes 16h 01m

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

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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How far is Madrid Barajas to Seattle/Tacoma Intl by plane?
The distance between Madrid Barajas and Seattle/Tacoma Intl is about 5284.3 mi. A reasonable flight in good conditions will take 16h 47m.
When did momondo last update prices for flights from Madrid Barajas Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Madrid Barajas Airport to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Madrid Barajas Airport to Seattle/Tacoma Intl Airport?
There are 5 operators available for flights from Madrid Barajas Airport to Seattle/Tacoma Intl Airport as of July 2025.
How old do you have to be to fly from Madrid Barajas Airport to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Madrid Barajas Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Madrid to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Madrid to Seattle is Delta (39% of total bookings). The next most popular airlines are Iberia (27%), Air France (14%), and American Airlines (10%).

Best airlines flying from Madrid to Seattle

Compare and see reviews for airlines that fly from Madrid to Seattle with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $568	Free Cancellation	Rating 7.8 1,372 reviews	Search KLM flights
Air France	PriceFrom $604	Free Cancellation	Rating 7.5 1,466 reviews	Search Air France flights
Delta	PriceFrom $719	Free Cancellation	Rating 8.0 7,956 reviews	Search Delta flights
American Airlines	PriceFrom $753	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Iberia	PriceFrom $802	Free Cancellation	Rating 7.0 2,835 reviews	Search Iberia flights

Leavenworth

Tacoma

SeaTac

Ocean Shores

Olympia

Renton

Kent

Federal Way

Lynnwood

Puyallup

Marysville

Tukwila

Kirkland

Shoreline

Lakewood

Fife

Cle Elum

Centralia

Westport

Redmond

Why use momondo?

Why should I use momondo to find a flight deal from Madrid to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Madrid to Seattle for you.

Can I find flights from Madrid to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Madrid with this policy.

How can momondo help me find flights from Madrid to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from Madrid. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Madrid to Seattle right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Madrid to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.