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Cheap flights from Madrid to Seattle from $361

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Madrid to Seattle departing on 5/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Madrid to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:05 am - 3:40 pm
MAD
-
SEA
17h 35m1 stop
Multiple Airlines Logo
5:40 pm - 9:55 pm
SEA
-
MAD
19h 15m1 stop
$516Multiple Airlines
Thu, Feb 5 - Thu, Feb 19
Multiple Airlines Logo
7:05 am - 3:40 pm
MAD
-
SEA
17h 35m1 stop
Multiple Airlines Logo
5:40 pm - 9:55 pm
SEA
-
MAD
19h 15m1 stop
$580Multiple Airlines
Thu, Feb 12 - Thu, Feb 19
Multiple Airlines Logo
7:05 am - 3:40 pm
MAD
-
SEA
17h 35m1 stop
Multiple Airlines Logo
5:40 pm - 9:55 pm
SEA
-
MAD
19h 15m1 stop
$581Multiple Airlines
Thu, Feb 12 - Mon, Feb 16
Multiple Airlines Logo
7:05 am - 3:40 pm
MAD
-
SEA
17h 35m1 stop
Multiple Airlines Logo
5:40 pm - 9:55 pm
SEA
-
MAD
19h 15m1 stop
$611Multiple Airlines
Sat, Apr 4 - Sat, Apr 18
Multiple Airlines Logo
7:05 am - 3:40 pm
MAD
-
SEA
17h 35m1 stop
Multiple Airlines Logo
5:40 pm - 9:55 pm
SEA
-
MAD
19h 15m1 stop
$621Multiple Airlines
Sat, Apr 4 - Sat, Apr 18
Multiple Airlines Logo
7:05 am - 3:40 pm
MAD
-
SEA
17h 35m1 stop
Multiple Airlines Logo
5:40 pm - 9:55 pm
SEA
-
MAD
19h 15m1 stop
$624Multiple Airlines
Mon, Feb 9 - Mon, Feb 23
Multiple Airlines Logo
7:05 am - 3:40 pm
MAD
-
SEA
17h 35m1 stop
Multiple Airlines Logo
6:40 pm - 9:55 pm
SEA
-
MAD
19h 15m1 stop
$635Multiple Airlines
Mon, Mar 2 - Mon, Mar 16
Multiple Airlines Logo
7:05 am - 3:40 pm
MAD
-
SEA
17h 35m1 stop
Multiple Airlines Logo
5:40 pm - 9:55 pm
SEA
-
MAD
19h 15m1 stop
$639Multiple Airlines
Sat, Jan 17 - Sat, Jan 31
Multiple Airlines Logo
7:05 am - 10:12 pm
MAD
-
SEA
24h 07m2 stops
Multiple Airlines Logo
5:40 pm - 9:55 pm
SEA
-
MAD
19h 15m1 stop
$650Multiple Airlines
Thu, Feb 12 - Thu, Feb 19
Multiple Airlines Logo
7:05 am - 10:12 pm
MAD
-
SEA
24h 07m2 stops
Multiple Airlines Logo
5:40 pm - 9:55 pm
SEA
-
MAD
19h 15m1 stop
$670Multiple Airlines
Thu, Feb 12 - Mon, Feb 16

Delta flights from Madrid to Seattle

Our best Delta deals on Madrid to Seattle flight tickets
Delta
Feb 26
MAD6:00 amMadrid Barajas
14h 40m
1 stop
SEA11:40 amSeattle/Tacoma Intl
Mar 3
SEA8:30 amSeattle/Tacoma Intl
18h 00m
2 stops
MAD11:30 amMadrid Barajas
$773
Find similar
Delta
Feb 9
MAD11:00 amMadrid Barajas
19h 49m
2 stops
SEA9:49 pmSeattle/Tacoma Intl
Feb 23
SEA2:15 pmSeattle/Tacoma Intl
16h 05m
1 stop
MAD3:20 pmMadrid Barajas
$778
Find similar
Delta
Jan 13
MAD6:00 amMadrid Barajas
14h 50m
1 stop
SEA11:50 amSeattle/Tacoma Intl
Jan 18
SEA9:55 pmSeattle/Tacoma Intl
25h 05m
1 stop
MAD8:00 amMadrid Barajas
$782
Find similar

Lufthansa flights from Madrid to Seattle

Our best Lufthansa deals on Madrid to Seattle flight tickets
Lufthansa
Mar 2
MAD6:00 amMadrid Barajas
15h 10m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
Mar 25
SEA4:10 pmSeattle/Tacoma Intl
23h 25m
1 stop
MAD11:35 pmMadrid Barajas
$767
Find similar
Lufthansa
Feb 9
MAD6:00 amMadrid Barajas
15h 10m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
Feb 23
SEA2:00 pmSeattle/Tacoma Intl
16h 50m
1 stop
MAD3:50 pmMadrid Barajas
$776
Find similar
Lufthansa
Feb 9
MAD6:00 amMadrid Barajas
15h 10m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
Feb 23
SEA2:00 pmSeattle/Tacoma Intl
14h 15m
1 stop
MAD1:15 pmMadrid Barajas
$777
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Madrid to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 31, 2025.
Use the filters below to find and compare flights from Madrid to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 2/5

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

Thu 2/19

5:40 pm-9:55 pm

1 stop19h 15m

$516

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 2/12

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

Thu 2/19

5:40 pm-9:55 pm

1 stop19h 15m

$580

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 2/12

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

Mon 2/16

5:40 pm-9:55 pm

1 stop19h 15m

$581

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 4/4

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

Sat 4/18

5:40 pm-9:55 pm

1 stop19h 15m

$611

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 4/4

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

Sat 4/18

5:40 pm-9:55 pm

1 stop19h 15m

$621

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 2/9

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

Mon 2/23

5:40 pm-9:55 pm

1 stop19h 15m

$624

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 3/2

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

Mon 3/16

6:40 pm-9:55 pm

1 stop19h 15m

$635

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 1/17

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

Sat 1/31

5:40 pm-9:55 pm

1 stop19h 15m

$639

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 2/12

7:05 am-10:12 pm

2 stops24h 07m

Seattle/Tacoma Intl

Thu 2/19

5:40 pm-9:55 pm

1 stop19h 15m

$650

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 2/12

7:05 am-10:12 pm

2 stops24h 07m

Seattle/Tacoma Intl

Mon 2/16

5:40 pm-9:55 pm

1 stop19h 15m

$670

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

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

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 $738.

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 $869 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 $808 on momondo.

How have Madrid to Seattle flight prices changed over time?

As of December 2025, prices for Madrid to Seattle flights are approximately 18% 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

Fastest flight time

17h 35m

Direct flights

None
The fastest flight from Madrid to Seattle takes 17h 35m
There are no direct flights from Madrid to Seattle. There are no popular flight routes from Madrid to Seattle.
Search flight deals

  • 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 17h 35m.

  • 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?

  • 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?

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
Air FrancePriceFrom $604Free CancellationRating
7.4
1,514 reviews
Search Air France flights
LufthansaPriceFrom $614Free CancellationRating
6.8
7,675 reviews
Search Lufthansa flights
DeltaPriceFrom $720Free CancellationRating
7.9
8,011 reviews
Search Delta flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Redmond
Tukwila
Federal Way
Cle Elum
Lakewood
Centralia
Fife
Westport
Kirkland
Shoreline

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.

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