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

Flying on Air France is currently your cheapest option to Seattle, with prices starting at $604. Additional round-trip tickets that might be worth considering are offered by Delta and Iberia, with the lowest prices starting at $693 and $802, respectively. Air France is currently priced 30% below the average price you’ll pay for this route.

What is the cheapest day to fly from Madrid to Seattle?

Travelers seeking maximum savings on their Madrid to Seattle flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What are the most popular airlines that fly from Madrid to Seattle?

When booking a flight from Madrid to Seattle, you may want to consider flying on Air France, Delta or Iberia as they are the most popular for this route.

What is the cheapest day to fly round-trip from Madrid to Seattle?

Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 46% on the overall cost on flights from Madrid to Seattle.

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

To save up to 174% on this flight, we recommend booking at least 14 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Madrid to Seattle from $287 1-2 weeks out and tickets from $967 for flights departing within the next 72 hours.

What is the cheapest month to fly from Madrid to Seattle?

Flights from Madrid to Seattle lean towards being more expensive in August. Prices are generally better when you fly from Madrid to Seattle in February, with the cheapest ticket starting at $569.

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.

$370+ Flights from Madrid, Spain to Seattle

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Madrid to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Madrid Barajas to Seattle/Tacoma Intl are usually found in February or May, booked 13 days in advance, depart on a Saturday or Friday and return on a Tuesday

Cheap flight deals from Madrid to Seattle

Round-trip from	$550 (Flighttix)
One-way from	$370 (Expedia)
Popular in	August
Cheapest in	February
Average price	$1,005

From Madrid Barajas to Seattle/Tacoma Intl

Search Deals

One-way flight from Madrid Barajas to Seattle/Tacoma Intl

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($106 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

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 August 14, 2025.

Thu 8/287:05 amMAD - SEA

1 stop17h 00mMultiple Airlines

Wed 9/105:05 pmSEA - MAD

1 stop19h 50mMultiple Airlines

Deal found 8/14

$550

Thu 9/47:05 amMAD - SEA

1 stop17h 00mMultiple Airlines

Wed 9/175:05 pmSEA - MAD

1 stop19h 50mMultiple Airlines

Deal found 8/14

$574

Mon 9/297:05 amMAD - SEA

2 stops22h 32mMultiple Airlines

Mon 10/612:35 pmSEA - MAD

2 stops24h 20mMultiple Airlines

Deal found 8/14

$580

Thu 9/47:05 amMAD - SEA

1 stop17h 00mMultiple Airlines

Mon 9/156:35 pmSEA - MAD

1 stop18h 20mMultiple Airlines

Deal found 8/13

$605

Fri 9/57:05 amMAD - SEA

1 stop17h 00mMultiple Airlines

Sun 9/215:05 pmSEA - MAD

1 stop19h 50mMultiple Airlines

Deal found 8/14

$609

Best flights from Madrid to Seattle
Discover carefully curated flight deals from Madrid to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Thu 8/287:05 amMAD - SEA

1 stop17h 00mMultiple Airlines

Wed 9/105:05 pmSEA - MAD

1 stop19h 50mMultiple Airlines

Deal found 8/14

$550

Thu 9/47:05 amMAD - SEA

1 stop17h 00mMultiple Airlines

Wed 9/178:08 amSEA - MAD

2 stops28h 47mMultiple Airlines

Deal found 8/13

$562

Mon 9/297:05 amMAD - SEA

2 stops22h 32mMultiple Airlines

Mon 10/612:35 pmSEA - MAD

2 stops24h 20mMultiple Airlines

Deal found 8/14

$580

Thu 9/47:05 amMAD - SEA

1 stop17h 00mMultiple Airlines

Mon 9/156:35 pmSEA - MAD

1 stop18h 20mMultiple Airlines

Deal found 8/13

$605

Fri 9/57:05 amMAD - SEA

1 stop17h 00mMultiple Airlines

Sun 9/215:05 pmSEA - MAD

1 stop19h 50mMultiple Airlines

Deal found 8/14

$609

Last-minute flights from Madrid to Seattle
Discover last-minute flight deals from Madrid to Seattle. Data last updated August 14, 2025 and is based on user searches.

Wed 8/201:30 pmMAD - SEA

1 stop17h 29mJetBlue

Sat 8/309:40 pmSEA - MAD

1 stop28h 50mJetBlue

Deal found 8/13

$1,060

Wed 8/2012:45 pmMAD - SEA

2 stops29h 36mAir Canada

Sat 8/305:30 amSEA - MAD

2 stops27h 05mAir Canada

Deal found 8/13

$1,127

Wed 8/2012:45 pmMAD - SEA

1 stop17h 00mAir Canada

Fri 8/295:30 amSEA - MAD

2 stops25h 45mAir Canada

Deal found 8/13

$1,129

Wed 8/2012:45 pmMAD - SEA

2 stops29h 36mMultiple Airlines

Sat 8/304:20 pmSEA - MAD

1 stop32h 00mMultiple Airlines

Deal found 8/13

$1,147

Wed 8/2012:30 pmMAD - SEA

2 stops29h 51mMultiple Airlines

Fri 8/295:30 amSEA - MAD

2 stops25h 45mMultiple Airlines

Deal found 8/13

$1,159

Wed 8/201:05 pmMAD - SEA

1 stop35h 50mDelta

Fri 8/293:15 pmSEA - MAD

1 stop33h 20mDelta

Deal found 8/13

$1,194

Thu 8/218:35 amMAD - SEA

2 stops19h 01mAir Canada

Sat 8/305:30 amSEA - MAD

2 stops27h 05mAir Canada

Deal found 8/13

$1,113

Thu 8/218:35 amMAD - SEA

2 stops33h 46mAir Canada

Fri 8/295:30 amSEA - MAD

2 stops25h 45mAir Canada

Deal found 8/13

$1,115

Thu 8/2112:30 pmMAD - SEA

2 stops29h 51mAir Canada

Wed 8/2712:05 pmSEA - MAD

2 stops33h 35mAir Canada

Deal found 8/14

$1,182

Thu 8/211:30 pmMAD - SEA

1 stop29h 50mJetBlue

Sat 8/309:40 pmSEA - MAD

1 stop28h 50mJetBlue

Deal found 8/13

$1,211

Thu 8/287:05 amMAD - SEA

1 stop17h 00mMultiple Airlines

Wed 9/105:05 pmSEA - MAD

1 stop19h 50mMultiple Airlines

Deal found 8/14

$550

Thu 9/47:05 amMAD - SEA

1 stop17h 00mMultiple Airlines

Wed 9/175:05 pmSEA - MAD

1 stop19h 50mMultiple Airlines

Deal found 8/14

$574

One-way flights from Madrid to Seattle
Search for one-way flight options from Madrid to Seattle. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Thu 10/27:05 amMAD - SEA

2 stops23h 31mMultiple Airlines

Deal found 8/14

$370

Sat 10/187:05 amMAD - SEA

2 stops26h 01mMultiple Airlines

Deal found 8/13

$390

Sun 11/239:10 pmMAD - SEA

2 stops35h 05mMultiple Airlines

Deal found 8/13

$406

Mon 9/1510:15 pmMAD - SEA

2 stops31h 20mMultiple Airlines

Deal found 8/13

$408

Mon 11/246:00 amMAD - SEA

2 stops41h 20mMultiple Airlines

Deal found 8/13

$412

Sat 11/2210:20 amMAD - SEA

2 stops20h 04mMultiple Airlines

Deal found 8/13

$422

Tue 9/210:15 pmMAD - SEA

2 stops34h 27mMultiple Airlines

Deal found 8/13

$423

Fri 10/109:45 amMAD - SEA

3 stops45h 54mMultiple Airlines

Deal found 8/14

$464

Thu 10/99:35 amMAD - SEA

3 stops30h 58mMultiple Airlines

Deal found 8/14

$479

Sun 10/1210:50 pmMAD - SEA

3 stops44h 05mMultiple Airlines

Deal found 8/13

$482

Fly from

Fly to

Route

Depart

Return

Price

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 8/28

7:05 am-3:05 pm

1 stop17h 00m

Seattle/Tacoma Intl

Wed 9/10

5:05 pm-9:55 pm

1 stop19h 50m

$550

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 9/4

7:05 am-3:05 pm

1 stop17h 00m

Seattle/Tacoma Intl

Wed 9/17

8:08 am-9:55 pm

2 stops28h 47m

$562

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 9/29

7:05 am-8:37 pm

2 stops22h 32m

Seattle/Tacoma Intl

Mon 10/6

12:35 pm-9:55 pm

2 stops24h 20m

$580

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 9/4

7:05 am-3:05 pm

1 stop17h 00m

Seattle/Tacoma Intl

Mon 9/15

6:35 pm-9:55 pm

1 stop18h 20m

$605

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Fri 9/5

7:05 am-3:05 pm

1 stop17h 00m

Seattle/Tacoma Intl

Sun 9/21

5:05 pm-9:55 pm

1 stop19h 50m

$609

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 11/15

10:20 am-8:46 pm

2 stops19h 26m

$370

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Thu 10/2

7:05 am-9:36 pm

2 stops23h 31m

$370

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sat 10/18

7:05 am-12:06 am

2 stops26h 01m

$390

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Sun 11/23

9:10 pm-11:15 pm

2 stops35h 05m

$406

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Mon 9/15

10:15 pm-8:35 pm

2 stops31h 20m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 16 results

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?

To ensure you get the cheapest price possible for a flight from Madrid to Seattle, you should look to book at least 13 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 June is currently the most expensive (average of $389). 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?

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.

Reviews of airlines servicing Seattle

See what other customers who have flown with Delta, Air France, and Iberia from Madrid to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Delta

8.0

Very good

7,980 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Air France

7.4

Good

1,467 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Iberia

7.0

Good

2,878 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

6.0

Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

What are the cheapest airlines flying from Madrid to Seattle round-trip?
Flying on Air France is currently your cheapest option to Seattle, with prices starting at $604. Additional round-trip tickets that might be worth considering are offered by Delta and Iberia, with the lowest prices starting at $693 and $802, respectively. Air France is currently priced 30% below the average price you’ll pay for this route.
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 June is currently the most expensive (average of $389). 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

SeaTac

Tukwila

Tacoma

Ocean Shores

Lakewood

Lynnwood

Lacey

Leavenworth

Renton

Olympia

Puyallup

Kent

Cle Elum

Chehalis

Kirkland

Issaquah

Aberdeen

Shoreline

Federal Way

Shelton

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Madrid to Seattle

Madrid to Portland flights

Madrid to Spokane flights

Complete your trip

Seattle car rentals

Seattle/Tacoma Intl Airport car rentals

Kenmore Air Harbor Airport car rentals

Spokane car rentals

Yakima car rentals

Pasco car rentals

Bellingham car rentals

Walla Walla car rentals

Wenatchee car rentals

Downtown car rentals

Capitol Hill car rentals

West Seattle car rentals

Other flights to Seattle

Top 3 airlines flying from Madrid to Seattle

Airline	Cheapest	Average	Flexibility	On-time
Air France	Cheapest$604	Average$921	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$693	Average$959	FlexibilityNo cancel fee	On-timeN/A
Iberia	Cheapest$802	Average$978	FlexibilityNo cancel fee	On-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$370+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Madrid to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Madrid Barajas to Seattle/Tacoma Intl are usually found in February or May, booked 13 days in advance, depart on a Saturday or Friday and return on a Tuesday

Cheap flight deals from Madrid to Seattle

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Madrid to Seattle

Cheapest flights from Madrid to SeattleExplore 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 August 14, 2025.

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 August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Madrid to Seattle that are best for you.

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.

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 August 8, 2025.

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

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 August 14, 2025.

Reviews of airlines servicing Seattle

See what other customers who have flown with Delta, Air France, and Iberia from Madrid to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

How can I find direct flights from Madrid to Seattle?

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

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

Traveling to a place near Seattle?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Madrid to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Madrid to Seattle

100% Free

Book with Flexibility

Travel Smart

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 August 14, 2025.