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Cheap flights from Madrid to Seattle from $334

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 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.
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 35m
1 stop
Multiple Airlines Logo
6:40 pm - 9:55 pm
SEA
-
MAD
19h 15m
1 stop
$620Multiple Airlines
sáb, mar 7 - sáb, mar 21
Multiple Airlines Logo
7:05 am - 3:40 pm
MAD
-
SEA
17h 35m
1 stop
Multiple Airlines Logo
5:40 pm - 9:55 pm
SEA
-
MAD
19h 15m
1 stop
$645Multiple Airlines
seg, abr 20 - sex, abr 24
Multiple Airlines Logo
7:05 am - 3:40 pm
MAD
-
SEA
17h 35m
1 stop
Multiple Airlines Logo
5:40 pm - 9:55 pm
SEA
-
MAD
19h 15m
1 stop
$661Multiple Airlines
sáb, abr 4 - sáb, abr 18
Iberia Logo
1:00 pm - 9:47 pm
MAD
-
SEA
17h 47m
1 stop
Iberia Logo
6:44 am - 9:25 am
SEA
-
MAD
17h 41m
1 stop
$665Iberia
ter, fev 10 - ter, fev 17
Multiple Airlines Logo
7:05 am - 3:40 pm
MAD
-
SEA
17h 35m
1 stop
Multiple Airlines Logo
5:40 pm - 9:55 pm
SEA
-
MAD
19h 15m
1 stop
$671Multiple Airlines
sáb, abr 4 - sáb, abr 18
American Airlines Logo
12:40 pm - 9:15 pm
MAD
-
SEA
17h 35m
1 stop
American Airlines Logo
6:44 am - 9:25 am
SEA
-
MAD
17h 41m
1 stop
$675American Airlines
sáb, fev 14 - seg, mar 2
Multiple Airlines Logo
10:15 am - 8:40 pm
MAD
-
SEA
19h 25m
2 stops
Multiple Airlines Logo
7:00 pm - 8:30 pm
SEA
-
MAD
16h 30m
2 stops
$680Multiple Airlines
seg, abr 20 - sex, abr 24
British Airways Logo
10:35 am - 4:55 pm
MAD
-
SEA
15h 20m
1 stop
British Airways Logo
7:21 am - 9:35 am
SEA
-
MAD
18h 14m
1 stop
$686British Airways
qua, fev 18 - qua, mar 18
Multiple Airlines Logo
6:00 am - 12:10 pm
MAD
-
SEA
15h 10m
1 stop
Multiple Airlines Logo
12:32 pm - 6:45 pm
SEA
-
MAD
21h 13m
2 stops
$691Multiple Airlines
sáb, fev 14 - seg, mar 2
United Airlines Logo
6:00 am - 12:10 pm
MAD
-
SEA
15h 10m
1 stop
United Airlines Logo
7:15 am - 9:15 am
SEA
-
MAD
18h 00m
2 stops
$696United Airlines
qui, fev 19 - ter, mar 17

Air Canada flights from Madrid to Seattle

Our best Air Canada deals on Madrid to Seattle flight tickets
Air Canada
Mar 7
MAD6:00 amMadrid Barajas
25h 16m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
Mar 21
SEA3:40 pmSeattle/Tacoma Intl
31h 20m
2 stops
MAD7:00 amMadrid Barajas
$699
Air Canada
May 9
MAD12:45 pmMadrid Barajas
15h 52m
1 stop
SEA7:37 pmSeattle/Tacoma Intl
May 18
SEA5:40 amSeattle/Tacoma Intl
27h 00m
2 stops
MAD5:40 pmMadrid Barajas
$718
Air Canada
Feb 18
MAD7:25 amMadrid Barajas
23h 51m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
Mar 21
SEA8:00 pmSeattle/Tacoma Intl
51h 00m
2 stops
MAD7:00 amMadrid Barajas
$721

Delta flights from Madrid to Seattle

Our best Delta deals on Madrid to Seattle flight tickets
Delta
Feb 14
MAD6:00 amMadrid Barajas
14h 40m
1 stop
SEA11:40 amSeattle/Tacoma Intl
Mar 2
SEA8:30 amSeattle/Tacoma Intl
18h 00m
2 stops
MAD11:30 amMadrid Barajas
$801
Delta
Jan 31
MAD6:00 amMadrid Barajas
14h 50m
1 stop
SEA11:50 amSeattle/Tacoma Intl
Feb 6
SEA7:10 amSeattle/Tacoma Intl
19h 20m
2 stops
MAD11:30 amMadrid Barajas
$974
Delta
Jan 31
MAD6:00 amMadrid Barajas
14h 50m
1 stop
SEA11:50 amSeattle/Tacoma Intl
Feb 6
SEA5:00 amSeattle/Tacoma Intl
21h 30m
2 stops
MAD11:30 amMadrid Barajas
$979

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 janeiro 29, 2026.
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

sáb 3/7

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

sáb 3/21

6:40 pm-9:55 pm

1 stop19h 15m

$620

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

seg 4/20

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

sex 4/24

5:40 pm-9:55 pm

1 stop19h 15m

$645

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

sáb 4/4

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

sáb 4/18

5:40 pm-9:55 pm

1 stop19h 15m

$661

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

ter 2/10

1:00 pm-9:47 pm

1 stop17h 47m

Seattle/Tacoma Intl

ter 2/17

6:44 am-9:25 am

1 stop17h 41m

$665

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

sáb 4/4

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

sáb 4/18

5:40 pm-9:55 pm

1 stop19h 15m

$671

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

sáb 2/14

12:40 pm-9:15 pm

1 stop17h 35m

Seattle/Tacoma Intl

seg 3/2

6:44 am-9:25 am

1 stop17h 41m

$675

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

seg 4/20

10:15 am-8:40 pm

2 stops19h 25m

Seattle/Tacoma Intl

sex 4/24

7:00 pm-8:30 pm

2 stops16h 30m

$680

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

qua 2/18

10:35 am-4:55 pm

1 stop15h 20m

Seattle/Tacoma Intl

qua 3/18

7:21 am-9:35 am

1 stop18h 14m

$686

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

sáb 2/14

6:00 am-12:10 pm

1 stop15h 10m

Seattle/Tacoma Intl

seg 3/2

12:32 pm-6:45 pm

2 stops21h 13m

$691

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

qui 2/19

6:00 am-12:10 pm

1 stop15h 10m

Seattle/Tacoma Intl

ter 3/17

7:15 am-9:15 am

2 stops18h 00m

$696

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 typical price of a round-trip flight between Madrid and Seattle?

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 $667. 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 $885 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 $735 on momondo.

How have Madrid to Seattle flight prices changed over time?

As of January 2026, prices for Madrid to Seattle flights are approximately 1% 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

14h 50m

Direct flights

None
The fastest flight from Madrid to Seattle takes 14h 50m
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 14h 50m.

  • 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
1,528 reviews
Search Air France flights
DeltaPriceFrom $790Free CancellationRating
7.9
8,127 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
Cle Elum
Tukwila
Lakewood
Federal Way
Centralia
Westport
Kirkland
Fife
Tumwater

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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