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Cheap flights from Madrid to Seattle from $356

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.
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0 bags

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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
$600Multiple Airlines
Thu, Feb 12 - Mon, Feb 16
Multiple Airlines Logo
7:35 am - 5:00 pm
MAD
-
SEA
18h 25m2 stops
Multiple Airlines Logo
2:35 pm - 8:30 pm
SEA
-
MAD
20h 55m2 stops
$641Multiple Airlines
Thu, Feb 12 - Thu, Feb 26
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
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
$689Multiple Airlines
Thu, Feb 12 - Thu, Feb 26
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
$691Multiple Airlines
Sat, Apr 4 - Sat, Apr 18
Multiple Airlines Logo
7:35 am - 5:00 pm
MAD
-
SEA
18h 25m2 stops
Multiple Airlines Logo
2:35 pm - 11:30 pm
SEA
-
MAD
23h 55m3 stops
$692Multiple Airlines
Thu, Feb 12 - Mon, Feb 16
Multiple Airlines Logo
7:35 am - 5:00 pm
MAD
-
SEA
18h 25m2 stops
Multiple Airlines Logo
2:35 pm - 8:55 pm
SEA
-
MAD
21h 20m2 stops
$703Multiple Airlines
Thu, Feb 12 - Mon, Feb 16
JetBlue Logo
1:30 pm - 10:20 am
MAD
-
SEA
29h 50m1 stop
JetBlue Logo
11:30 am - 11:30 am
SEA
-
MAD
15h 00m1 stop
$706JetBlue
Wed, May 20 - Tue, Jun 2
Multiple Airlines Logo
7:35 am - 5:00 pm
MAD
-
SEA
18h 25m2 stops
Multiple Airlines Logo
2:35 pm - 11:25 pm
SEA
-
MAD
23h 50m3 stops
$708Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
Multiple Airlines Logo
7:35 am - 5:00 pm
MAD
-
SEA
18h 25m2 stops
Multiple Airlines Logo
2:35 pm - 11:20 am
SEA
-
MAD
35h 45m3 stops
$729Multiple Airlines
Thu, Feb 12 - Thu, Feb 26

Delta flights from Madrid to Seattle

Our best Delta deals on Madrid to Seattle flight tickets
Delta
Feb 12
MAD6:00 amMadrid Barajas
14h 40m
1 stop
SEA11:40 amSeattle/Tacoma Intl
Feb 26
SEA1:40 pmSeattle/Tacoma Intl
19h 00m
1 stop
MAD5:40 pmMadrid Barajas
$769
Find similar
Delta
Feb 12
MAD6:00 amMadrid Barajas
25h 25m
2 stops
SEA10:25 pmSeattle/Tacoma Intl
Feb 26
SEA11:35 amSeattle/Tacoma Intl
18h 45m
2 stops
MAD3:20 pmMadrid Barajas
$775
Find similar
Delta
Feb 26
MAD6:00 amMadrid Barajas
23h 46m
2 stops
SEA8:46 pmSeattle/Tacoma Intl
Mar 3
SEA8:30 amSeattle/Tacoma Intl
18h 00m
2 stops
MAD11:30 amMadrid Barajas
$777
Find similar

Air Canada flights from Madrid to Seattle

Our best Air Canada deals on Madrid to Seattle flight tickets
Air Canada
Jan 15
MAD6:00 amMadrid Barajas
25h 16m
2 stops
SEA10:16 pmSeattle/Tacoma Intl
Jan 29
SEA5:50 amSeattle/Tacoma Intl
17h 10m
2 stops
MAD8:00 amMadrid Barajas
$796
Find similar
Air Canada
Dec 29
MAD1:35 pmMadrid Barajas
33h 56m
2 stops
SEA2:31 pmSeattle/Tacoma Intl
Jan 9
SEA9:55 amSeattle/Tacoma Intl
21h 15m
3 stops
MAD4:10 pmMadrid Barajas
$5,478
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 23, 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 2/12

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

Mon 2/16

5:40 pm-9:55 pm

1 stop19h 15m

$600

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 2/12

7:35 am-5:00 pm

2 stops18h 25m

Seattle/Tacoma Intl

Thu 2/26

2:35 pm-8:30 pm

2 stops20h 55m

$641

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

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 2/12

7:05 am-10:12 pm

2 stops24h 07m

Seattle/Tacoma Intl

Thu 2/26

5:40 pm-9:55 pm

1 stop19h 15m

$689

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

$691

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 2/12

7:35 am-5:00 pm

2 stops18h 25m

Seattle/Tacoma Intl

Mon 2/16

2:35 pm-11:30 pm

3 stops23h 55m

$692

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 2/12

7:35 am-5:00 pm

2 stops18h 25m

Seattle/Tacoma Intl

Mon 2/16

2:35 pm-8:55 pm

2 stops21h 20m

$703

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 5/20

1:30 pm-10:20 am

1 stop29h 50m

Seattle/Tacoma Intl

Tue 6/2

11:30 am-11:30 am

1 stop15h 00m

$706

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 2/3

7:35 am-5:00 pm

2 stops18h 25m

Seattle/Tacoma Intl

Tue 2/10

2:35 pm-11:25 pm

3 stops23h 50m

$708

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 2/12

7:35 am-5:00 pm

2 stops18h 25m

Seattle/Tacoma Intl

Thu 2/26

2:35 pm-11:20 am

3 stops35h 45m

$729

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.

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 $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 17% 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

15h 10m

Direct flights

None
The fastest flight from Madrid to Seattle takes 15h 10m
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 15h 10m.

  • 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
1,513 reviews
Search Air France flights
LufthansaPriceFrom $614Free CancellationRating
6.8
7,649 reviews
Search Lufthansa flights
DeltaPriceFrom $720Free CancellationRating
7.9
8,014 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
Cle Elum
Federal Way
Lakewood
Fife
Centralia
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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