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Cheap flights from Madrid to Seattle from $329

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 4/13. 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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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
$626Multiple Airlines
Thu, Mar 5 - Sat, 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
$681Multiple Airlines
Sat, Apr 4 - Sat, Apr 18
Multiple Airlines Logo
6:45 am - 10:50 pm
MAD
-
SEA
25h 05m
3 stops
Multiple Airlines Logo
3:40 pm - 10:40 pm
SEA
-
MAD
22h 00m
2 stops
$683Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
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
$685Multiple Airlines
Sat, Apr 4 - Sun, Apr 19
Multiple Airlines Logo
7:05 am - 4:00 pm
MAD
-
SEA
17h 55m
1 stop
Multiple Airlines Logo
6:15 pm - 9:55 pm
SEA
-
MAD
18h 40m
1 stop
$701Multiple Airlines
Sat, Apr 4 - Sat, Apr 18
Multiple Airlines Logo
12:00 pm - 7:20 pm
MAD
-
SEA
15h 20m
1 stop
Multiple Airlines Logo
9:05 pm - 9:35 pm
SEA
-
MAD
16h 30m
1 stop
$707Multiple Airlines
Mon, Mar 9 - Sun, Mar 22
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
$711Multiple Airlines
Sat, Apr 4 - Sat, Apr 18
Aer Lingus Logo
10:40 am - 5:10 pm
MAD
-
SEA
15h 30m
1 stop
Aer Lingus Logo
7:10 pm - 8:05 pm
SEA
-
MAD
15h 55m
1 stop
$712Aer Lingus
Thu, Jun 18 - Sun, Jun 21
Multiple Airlines Logo
7:05 am - 3:40 pm
MAD
-
SEA
17h 35m
1 stop
Multiple Airlines Logo
6:15 pm - 9:55 pm
SEA
-
MAD
18h 40m
1 stop
$716Multiple Airlines
Wed, May 6 - Sat, May 16
Multiple Airlines Logo
6:45 am - 10:50 pm
MAD
-
SEA
25h 05m
3 stops
Multiple Airlines Logo
3:40 pm - 12:20 pm
SEA
-
MAD
35h 40m
3 stops
$731Multiple Airlines
Tue, Apr 7 - Tue, Apr 14

Iberia flights from Madrid to Seattle

Our best Iberia deals on Madrid to Seattle flight tickets
Iberia
Feb 28
MAD12:40 pmMadrid Barajas
17h 35m
1 stop
SEA9:15 pmSeattle/Tacoma Intl
Mar 10
SEA6:44 amSeattle/Tacoma Intl
17h 41m
1 stop
MAD8:25 amMadrid Barajas
$808
Iberia
Mar 3
MAD12:40 pmMadrid Barajas
17h 44m
1 stop
SEA9:24 pmSeattle/Tacoma Intl
Mar 17
SEA7:21 amSeattle/Tacoma Intl
17h 29m
1 stop
MAD8:50 amMadrid Barajas
$818

KLM flights from Madrid to Seattle

Our best KLM deals on Madrid to Seattle flight tickets
KLM
Mar 8
MAD1:05 pmMadrid Barajas
31h 30m
1 stop
SEA12:35 pmSeattle/Tacoma Intl
Apr 8
SEA1:45 pmSeattle/Tacoma Intl
14h 55m
1 stop
MAD1:40 pmMadrid Barajas
$774
KLM
Mar 6
MAD6:00 amMadrid Barajas
14h 35m
1 stop
SEA11:35 amSeattle/Tacoma Intl
Apr 9
SEA1:45 pmSeattle/Tacoma Intl
14h 55m
1 stop
MAD1:40 pmMadrid Barajas
$792
KLM
Mar 2
MAD8:30 pmMadrid Barajas
24h 05m
1 stop
SEA11:35 amSeattle/Tacoma Intl
Mar 11
SEA4:05 pmSeattle/Tacoma Intl
19h 35m
1 stop
MAD7:40 pmMadrid Barajas
$828

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 February 21, 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

Thu 3/5

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

Sat 3/21

6:40 pm-9:55 pm

1 stop19h 15m

$626

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

$681

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 4/7

6:45 am-10:50 pm

3 stops25h 05m

Seattle/Tacoma Intl

Tue 4/14

3:40 pm-10:40 pm

2 stops22h 00m

$683

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 4/4

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

Sun 4/19

5:40 pm-9:55 pm

1 stop19h 15m

$685

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 4/4

7:05 am-4:00 pm

1 stop17h 55m

Seattle/Tacoma Intl

Sat 4/18

6:15 pm-9:55 pm

1 stop18h 40m

$701

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 3/9

12:00 pm-7:20 pm

1 stop15h 20m

Seattle/Tacoma Intl

Sun 3/22

9:05 pm-9:35 pm

1 stop16h 30m

$707

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

$711

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 6/18

10:40 am-5:10 pm

1 stop15h 30m

Seattle/Tacoma Intl

Sun 6/21

7:10 pm-8:05 pm

1 stop15h 55m

$712

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Wed 5/6

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

Sat 5/16

6:15 pm-9:55 pm

1 stop18h 40m

$716

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 4/7

6:45 am-10:50 pm

3 stops25h 05m

Seattle/Tacoma Intl

Tue 4/14

3:40 pm-12:20 pm

3 stops35h 40m

$731

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, May 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 $767. If you don’t want to visit Seattle in May, then you should wait until April to fly from Madrid, when ticket prices are also cheap, with an average price of $824.

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 $902 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 $774 on momondo.

How have Madrid to Seattle flight prices changed over time?

As of February 2026, prices for Madrid to Seattle flights are approximately 6% cheaper 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 15m

Direct flights

None
The fastest flight from Madrid to Seattle takes 14h 15m
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 15m.

  • 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
DeltaPriceFrom $790Free CancellationRating
7.9
8,228 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
Redmond
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Kirkland
Fife
Westport
Centralia
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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