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Cheap flights from Madrid to Seattle from $50

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 9/21. 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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Find the cheapest flights from Madrid to Seattle

Cheap round-trip flights

Multiple Airlines Logo
7:05 am - 3:40 pmMAD-SEA
17h 35m1 stop
Multiple Airlines Logo
5:40 pm - 9:55 pmSEA-MAD
19h 15m1 stop
$537Multiple Airlines
Find Deal
lun., nov. 3 - lun., nov. 17
Multiple Airlines Logo
7:05 am - 4:40 pmMAD-SEA
17h 35m1 stop
Multiple Airlines Logo
5:40 pm - 9:55 pmSEA-MAD
19h 15m1 stop
$660Multiple Airlines
Find Deal
jue., oct. 30 - jue., nov. 6
Multiple Airlines Logo
7:45 am - 3:40 pmMAD-SEA
16h 55m2 stops
Multiple Airlines Logo
5:40 pm - 8:55 pmSEA-MAD
18h 15m2 stops
$679Multiple Airlines
Find Deal
lun., nov. 3 - lun., nov. 17
American Airlines Logo
12:40 pm - 11:42 pmMAD-SEA
20h 02m1 stop
American Airlines Logo
6:19 am - 5:45 amSEA-MAD
14h 26m1 stop
$708American Airlines
Find Deal
lun., nov. 3 - lun., nov. 17
American Airlines Logo
1:15 pm - 10:20 pmMAD-SEA
18h 05m1 stop
American Airlines Logo
10:35 am - 9:25 amSEA-MAD
13h 50m1 stop
$709American Airlines
Find Deal
lun., nov. 3 - lun., nov. 17
JetBlue Logo
1:30 pm - 10:19 amMAD-SEA
29h 49m1 stop
JetBlue Logo
1:10 pm - 11:30 amSEA-MAD
13h 20m1 stop
$737JetBlue
Find Deal
lun., sep. 29 - lun., oct. 6
JetBlue Logo
1:30 pm - 10:19 amMAD-SEA
29h 49m1 stop
JetBlue Logo
1:10 pm - 11:30 amSEA-MAD
13h 20m1 stop
$742JetBlue
Find Deal
lun., sep. 29 - lun., oct. 6
Lufthansa Logo
6:00 am - 11:55 amMAD-SEA
14h 55m1 stop
Lufthansa Logo
2:20 pm - 4:15 pmSEA-MAD
16h 55m1 stop
$805Lufthansa
Find Deal
mar., sep. 30 - jue., oct. 9
Delta Logo
10:25 am - 4:05 pmMAD-SEA
14h 40m1 stop
Delta Logo
6:00 am - 11:20 amSEA-MAD
20h 20m2 stops
$830Delta
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jue., oct. 2 - lun., oct. 13
Delta Logo
6:00 am - 2:41 pmMAD-SEA
17h 41m2 stops
Delta Logo
11:46 am - 3:20 pmSEA-MAD
18h 34m2 stops
$836Delta
Find Deal
lun., nov. 3 - lun., nov. 17

American Airlines flights from Madrid to Seattle

Our best American Airlines deals on Madrid to Seattle flight tickets
American Airlines
Nov 3
MAD12:40 pmMadrid Barajas
20h 02m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
Nov 17
SEA6:19 amSeattle/Tacoma Intl
14h 26m
1 stop
MAD5:45 amMadrid Barajas
$708
Find similar
American Airlines
Nov 3
MAD1:15 pmMadrid Barajas
18h 05m
1 stop
SEA10:20 pmSeattle/Tacoma Intl
Nov 17
SEA10:35 amSeattle/Tacoma Intl
13h 50m
1 stop
MAD9:25 amMadrid Barajas
$709
Find similar
American Airlines
Nov 3
MAD1:15 pmMadrid Barajas
18h 05m
1 stop
SEA10:20 pmSeattle/Tacoma Intl
Nov 17
SEA6:19 amSeattle/Tacoma Intl
14h 26m
1 stop
MAD5:45 amMadrid Barajas
$713
Find similar

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
SEA1:10 pmSeattle/Tacoma Intl
13h 20m
1 stop
MAD11:30 amMadrid Barajas
$737
Find similar
JetBlue
Sep 29
MAD1:30 pmMadrid Barajas
29h 49m
1 stop
SEA10:19 amSeattle/Tacoma Intl
Oct 6
SEA1:10 pmSeattle/Tacoma Intl
13h 20m
1 stop
MAD11:30 amMadrid Barajas
$742
Find similar
JetBlue
Sep 29
MAD1:30 pmMadrid Barajas
29h 49m
1 stop
SEA10:19 amSeattle/Tacoma Intl
Oct 6
SEA1:10 pmSeattle/Tacoma Intl
13h 20m
1 stop
MAD11:30 amMadrid Barajas
$811
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 septiembre 17, 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

lun. 11/3

7:05 am-3:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

lun. 11/17

5:40 pm-9:55 pm

1 stop19h 15m

$537

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

jue. 10/30

7:05 am-4:40 pm

1 stop17h 35m

Seattle/Tacoma Intl

jue. 11/6

5:40 pm-9:55 pm

1 stop19h 15m

$660

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

lun. 11/3

7:45 am-3:40 pm

2 stops16h 55m

Seattle/Tacoma Intl

lun. 11/17

5:40 pm-8:55 pm

2 stops18h 15m

$679

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

lun. 11/3

12:40 pm-11:42 pm

1 stop20h 02m

Seattle/Tacoma Intl

lun. 11/17

6:19 am-5:45 am

1 stop14h 26m

$708

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

lun. 11/3

1:15 pm-10:20 pm

1 stop18h 05m

Seattle/Tacoma Intl

lun. 11/17

10:35 am-9:25 am

1 stop13h 50m

$709

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

lun. 9/29

1:30 pm-10:19 am

1 stop29h 49m

Seattle/Tacoma Intl

lun. 10/6

1:10 pm-11:30 am

1 stop13h 20m

$737

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

lun. 9/29

1:30 pm-10:19 am

1 stop29h 49m

Seattle/Tacoma Intl

lun. 10/6

1:10 pm-11:30 am

1 stop13h 20m

$742

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

mar. 9/30

6:00 am-11:55 am

1 stop14h 55m

Seattle/Tacoma Intl

jue. 10/9

2:20 pm-4:15 pm

1 stop16h 55m

$805

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

jue. 10/2

10:25 am-4:05 pm

1 stop14h 40m

Seattle/Tacoma Intl

lun. 10/13

6:00 am-11:20 am

2 stops20h 20m

$830

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

lun. 11/3

6:00 am-2:41 pm

2 stops17h 41m

Seattle/Tacoma Intl

lun. 11/17

11:46 am-3:20 pm

2 stops18h 34m

$836

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 $620. 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 $844 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 September 2025, prices for Madrid to Seattle flights are approximately 5% 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

Direct flights

None
There are no direct flights from Madrid to Seattle. There are no popular flight routes from Madrid to Seattle.
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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 14h 40m.

  • 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
1,468 reviews
Search Air France flights
LufthansaPriceFrom $614Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
DeltaPriceFrom $719Free CancellationRating
7.9
7,961 reviews
Search Delta flights

Traveling to a place near Seattle?

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

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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