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$345+ Cheap flights from Madrid, Spain (MAD) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Madrid Barajas to Seattle/Tacoma Intl are usually found in February or May, booked 78 days in advance, depart on a Saturday or Friday and return on a Tuesday

Cheap flight deals from Madrid to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Madrid (MAD) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$617
(Condor)

One-way from

$345
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$923
From Madrid Barajas to Seattle/Tacoma Intl
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One-way flight from Madrid Barajas to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 12% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Madrid to Seattle

Cheapest flights from Madrid to Seattle
Explore the most affordable flight options available from Madrid to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Condor deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:05 amMAD - SEA
2 stops21h 04mMultiple Airlines
Mon 10/65:05 pmSEA - MAD
1 stop19h 50mMultiple Airlines
Deal found 6/10$617
This lol.travel deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2912:30 pmMAD - SEA
2 stops40h 01mAir Canada
Mon 10/65:30 amSEA - MAD
2 stops16h 10mAir Canada
Deal found 6/11$646
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:00 amMAD - SEA
1 stop14h 55mUnited Airlines
Mon 10/135:00 amSEA - MAD
2 stops19h 00mUnited Airlines
Deal found 6/11$667
This Booking.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/291:45 pmMAD - SEA
1 stop17h 19mBritish Airways
Mon 10/68:20 pmSEA - MAD
1 stop14h 20mBritish Airways
Deal found 6/10$671
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:00 amMAD - SEA
1 stop14h 45mDelta
Mon 9/2911:25 amSEA - MAD
2 stops20h 20mDelta
Deal found 6/12$674
This KLM deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:10 pmMAD - SEA
1 stop27h 40mKLM
Wed 11/193:00 pmSEA - MAD
1 stop16h 05mKLM
Deal found 6/11$677
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/74:40 pmMAD - SEA
1 stop16h 10mAmerican Airlines
Tue 11/181:24 amSEA - MAD
1 stop21h 31mAmerican Airlines
Deal found 6/11$708
This Gotogate deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/266:00 amMAD - SEA
1 stop15h 25mLufthansa
Wed 7/96:50 pmSEA - MAD
1 stop13h 45mLufthansa
Deal found 6/10$744
This Booking.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2610:05 amMAD - SEA
1 stop13h 45mSWISS
Sat 8/24:20 pmSEA - MAD
1 stop17h 25mSWISS
Deal found 6/11$801
This JetBlue deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/31:30 pmMAD - SEA
1 stop17h 34mJetBlue
Mon 9/111:30 amSEA - MAD
1 stop15h 00mJetBlue
Deal found 6/11$850
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/206:35 pmMAD - SEA
1 stop28h 15mScandinavian Airlines
Sat 8/24:00 pmSEA - MAD
1 stop16h 45mScandinavian Airlines
Deal found 6/10$851
This Iberia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2312:40 pmMAD - SEA
1 stop21h 03mIberia
Tue 7/295:15 amSEA - MAD
1 stop18h 50mIberia
Deal found 6/10$857

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Madrid to Seattle that are best for you.

Fly from

Madrid

Fly to

Seattle

Route

Depart

Return

Price

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 9/29

7:05 am-7:09 pm

2 stops21h 04m

Seattle/Tacoma Intl

Mon 10/6

5:05 pm-9:55 pm

1 stop19h 50m

$617

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 9/29

12:30 pm-7:31 pm

2 stops40h 01m

Seattle/Tacoma Intl

Mon 10/6

5:30 am-6:40 am

2 stops16h 10m

$646

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 10/2

6:00 am-11:55 am

1 stop14h 55m

Seattle/Tacoma Intl

Mon 10/13

5:00 am-9:00 am

2 stops19h 00m

$667

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 9/29

1:45 pm-10:04 pm

1 stop17h 19m

Seattle/Tacoma Intl

Mon 10/6

8:20 pm-7:40 pm

1 stop14h 20m

$671

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 9/15

6:00 am-11:45 am

1 stop14h 45m

Seattle/Tacoma Intl

Mon 9/29

11:25 am-4:45 pm

2 stops20h 20m

$674

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 10/7

5:10 pm-11:50 am

1 stop27h 40m

Seattle/Tacoma Intl

Wed 11/19

3:00 pm-4:05 pm

1 stop16h 05m

$677

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 10/7

4:40 pm-11:50 pm

1 stop16h 10m

Seattle/Tacoma Intl

Tue 11/18

1:24 am-7:55 am

1 stop21h 31m

$708

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 6/26

6:00 am-12:25 pm

1 stop15h 25m

Seattle/Tacoma Intl

Wed 7/9

6:50 pm-5:35 pm

1 stop13h 45m

$744

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 7/26

10:05 am-2:50 pm

1 stop13h 45m

Seattle/Tacoma Intl

Sat 8/2

4:20 pm-6:45 pm

1 stop17h 25m

$801

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sun 8/3

1:30 pm-10:04 pm

1 stop17h 34m

Seattle/Tacoma Intl

Mon 9/1

11:30 am-11:30 am

1 stop15h 00m

$850

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 24 results
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Best time to book a flight from Madrid to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Madrid with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Madrid to Seattle

How far ahead should I book a flight from Madrid to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Madrid to Seattle. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Madrid to Seattle, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Madrid to Seattle?

Currently, January is the cheapest month in which you can book a flight from Madrid to Seattle (average of $238). Flying from Madrid to Seattle in July is currently the most expensive (average of $391). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MAD to SEA?

Find hourly flight availability from Madrid to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Madrid to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at noon.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Madrid to Seattle, such as Delta, KLM and Finnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Madrid to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Madrid to Seattle round-trip?

    Flying on Air Canada is currently your cheapest option to Seattle, with prices starting at $646. Additional round-trip tickets that might be worth considering are offered by United Airlines and British Airways, with the lowest prices starting at $667 and $671, respectively. Air Canada is currently priced 26% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Madrid to Seattle one-way?

    For one-way options, check prices for Aer Lingus. According to our data, you can fly for as low as $570. Users have also found prices from $614 and $662 on JetBlue and Lufthansa, respectively.

  • Can I find deals for flights from Madrid to Seattle that include hotel bookings?

    Yes. In addition to deals on Madrid to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Madrid to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Madrid to Seattle.

  • Can I find deals for business class flights from Madrid to Seattle?

    Yes. Cheapflights offers flight deals from Madrid to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Madrid to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Madrid to Seattle (average of $238). Flying from Madrid to Seattle in July is currently the most expensive (average of $391). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Madrid?

Book flights to Madrid if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Madrid to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Madrid to Portland flights
Madrid to Spokane flights

Top 4 airlines flying from Madrid to Seattle

Discover the top 4 airlines that operate flights from Madrid to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$604Average$921FlexibilityNo cancel feeOn-time77%
DeltaCheapest$693Average$967FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$753Average$840FlexibilityNo cancel feeOn-time71%
IberiaCheapest$802Average$974FlexibilityNo cancel feeOn-time77%

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