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

Cheapflights users have booked flights from Seattle to Madrid round-trip from $705. Other airlines that can offer you cheap pricing are Air Canada, from $707, and SWISS, from $714. British Airways is priced at 26% lower than the current average price of a flight leaving 3 months from now.

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

The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as $389. However, be on the lookout for offers from JetBlue and British Airways, as they are both options that can get you from Seattle to Madrid for a low price.

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

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

Where are the most common layover locations when flying from Seattle to Madrid?

Flights departing from Seattle and landing in Madrid layover in London most frequently. Paris is the second most popular location for layovers on flights from Seattle to Madrid.

Where are the least popular layover locations for Seattle to Madrid flights?

Seattle to Madrid flights have a layover in Amsterdam least often. Dallas follows Amsterdam in terms of the least common layover location on Seattle to Madrid flights.

What are some popular things to do or see while on a layover in London?

The majority of London visitors spend their time at Hyde Park, Piccadilly Circus, and Buckingham Palace. Hyde Park, Piccadilly Circus, and Buckingham Palace are located about 12.5 mi, 14.1 mi, and 13.7 mi, respectively from London Heathrow. Travelers in need of a car in London can rent one for about $53 per day.

What are some popular points of interest to see during a layover in Paris?

If you're on a layover in Paris and looking for things to do, consider visiting Eiffel Tower, Champs-Elysées, or Louvre Museum. Those on a layover in Paris interested in visiting Eiffel Tower, Champs-Elysées, or Louvre Museum can do so by traveling 15.8 mi, 14.7 mi, and 14.3 mi, respectively from Paris Charles de Gaulle. Those on a layover in Paris in need of a rental car can book one at Paris Charles de Gaulle for about $42.

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

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 37% on your flight compared to booking on days when demand is much higher.

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

Travelers have found it’s best to book a flight 25 days in advance to save up to 63% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 25 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Madrid 1-2 weeks in advance for as low as $707, or $1,562 for flights within the next 24 hours.

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

Flights from Seattle to Madrid lean towards being more expensive in December. Prices are generally better when you fly from Seattle to Madrid in November, with the cheapest ticket starting at $531.

Most accurate provider : When it comes to deals on Seattle-Madrid flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Madrid flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Seattle-Madrid flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Seattle-Madrid flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Madrid flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Seattle to Madrid?

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

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

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

$388+ Flights from Seattle to Madrid, Spain

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Madrid Barajas are usually found in November or February, booked 24 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Seattle to Madrid

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$705 (StudentUniverse)
One-way from	$388 (Kiwi.com)
Popular in	December
Cheapest in	November
Average price	$1,108

Provider with most accurate pricing for Seattle/Tacoma Intl-Madrid Barajas flight deals.

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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Madrid Barajas flights.

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From Seattle/Tacoma Intl to Madrid Barajas

Search Deals

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

Search Deals

Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($40 potential savings vs. average RT price).

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Average for round-trip flights in May 2025

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Find flight deals from Seattle to Madrid

Cheapest flights from Seattle to Madrid
Explore the most affordable flight options available from Seattle to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Fri 12/122:00 pmSEA - MAD

1 stop16h 55mUnited Airlines

Mon 1/1211:15 amMAD - SEA

2 stops20h 44mUnited Airlines

Deal found 4/30

$703

Fri 9/191:29 pmSEA - MAD

2 stops17h 46mBritish Airways

Sat 10/47:10 pmMAD - SEA

2 stops33h 54mBritish Airways

Deal found 4/30

$705

Tue 9/165:30 amSEA - MAD

2 stops16h 10mAir Canada

Mon 10/208:35 amMAD - SEA

2 stops19h 01mAir Canada

Deal found 4/30

$707

Mon 6/25:05 pmSEA - MAD

1 stop19h 50mMultiple Airlines

Fri 6/67:05 amMAD - SEA

1 stop17h 00mMultiple Airlines

Deal found 4/30

$711

Sun 9/211:45 pmSEA - MAD

2 stops34h 35mSWISS

Sun 10/57:35 pmMAD - SEA

2 stops32h 14mSWISS

Deal found 4/30

$714

Sat 8/97:10 pmSEA - MAD

1 stop30h 15mTurkish Airlines

Tue 8/267:40 amMAD - SEA

1 stop18h 35mTurkish Airlines

Deal found 4/30

$722

Thu 9/1111:45 amSEA - MAD

2 stops18h 50mDelta

Fri 9/2612:20 pmMAD - SEA

2 stops20h 04mDelta

Deal found 4/30

$723

Mon 8/119:55 amSEA - MAD

1 stop14h 10mIberia

Mon 9/14:40 pmMAD - SEA

1 stop16h 10mIberia

Deal found 4/30

$726

Sat 8/912:10 pmSEA - MAD

1 stop35h 10mBrussels Airlines

Mon 8/2512:30 pmMAD - SEA

1 stop31h 40mBrussels Airlines

Deal found 4/30

$768

Sat 11/221:24 amSEA - MAD

2 stops24h 41mAer Lingus

Sun 12/711:45 amMAD - SEA

1 stop15h 30mAer Lingus

Deal found 5/1

$779

Sun 5/1111:55 amSEA - MAD

2 stops39h 15mScandinavian Airlines

Sun 5/256:35 pmMAD - SEA

1 stop28h 15mScandinavian Airlines

Deal found 4/30

$780

Mon 8/1110:00 amSEA - MAD

2 stops24h 50mLufthansa

Mon 8/251:05 pmMAD - SEA

1 stop31h 50mLufthansa

Deal found 4/30

$795

Best flights from Seattle to Madrid
Discover carefully curated flight deals from Seattle to Madrid that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2025.

Fri 9/191:29 pmSEA - MAD

2 stops17h 46mBritish Airways

Sat 10/47:10 pmMAD - SEA

2 stops33h 54mBritish Airways

Deal found 4/30

$705

Tue 9/165:30 amSEA - MAD

2 stops16h 10mAir Canada

Mon 10/208:35 amMAD - SEA

2 stops19h 01mAir Canada

Deal found 4/30

$707

Mon 6/25:05 pmSEA - MAD

1 stop19h 50mMultiple Airlines

Fri 6/67:05 amMAD - SEA

1 stop17h 00mMultiple Airlines

Deal found 4/30

$711

Sun 9/211:45 pmSEA - MAD

2 stops34h 35mSWISS

Sun 10/57:35 pmMAD - SEA

2 stops32h 14mSWISS

Deal found 4/30

$714

Tue 9/168:00 amSEA - MAD

1 stop15h 05mUnited Airlines

Sat 10/411:15 amMAD - SEA

1 stop18h 27mUnited Airlines

Deal found 4/30

$716

Sat 8/97:10 pmSEA - MAD

1 stop30h 15mTurkish Airlines

Tue 8/267:40 amMAD - SEA

1 stop18h 35mTurkish Airlines

Deal found 4/30

$722

Thu 9/1111:45 amSEA - MAD

2 stops18h 50mDelta

Fri 9/2612:20 pmMAD - SEA

2 stops20h 04mDelta

Deal found 4/30

$723

Mon 8/119:55 amSEA - MAD

1 stop14h 10mIberia

Mon 9/14:40 pmMAD - SEA

1 stop16h 10mIberia

Deal found 4/30

$726

Sat 8/912:10 pmSEA - MAD

1 stop35h 10mBrussels Airlines

Mon 8/2512:30 pmMAD - SEA

1 stop31h 40mBrussels Airlines

Deal found 4/30

$768

Sun 5/1111:55 amSEA - MAD

2 stops39h 15mScandinavian Airlines

Sun 5/256:35 pmMAD - SEA

1 stop28h 15mScandinavian Airlines

Deal found 4/30

$780

Mon 8/1110:00 amSEA - MAD

2 stops24h 50mLufthansa

Mon 8/251:05 pmMAD - SEA

1 stop31h 50mLufthansa

Deal found 4/30

$795

Tue 7/811:30 amSEA - MAD

1 stop15h 00mJetBlue

Mon 7/211:30 pmMAD - SEA

1 stop17h 40mJetBlue

Deal found 4/30

$920

Last-minute flights from Seattle to Madrid
Discover last-minute flight deals from Seattle to Madrid. Data last updated May 1, 2025 and is based on user searches.

Thu 5/87:16 amSEA - MAD

1 stop15h 34mDelta

Thu 5/2210:05 amMAD - SEA

1 stop17h 42mDelta

Deal found 4/30

$1,931

Thu 5/88:10 amSEA - MAD

1 stop14h 55mUnited Airlines

Thu 5/2210:50 amMAD - SEA

2 stops18h 51mUnited Airlines

Deal found 4/30

$2,031

Thu 5/81:45 pmSEA - MAD

2 stops20h 00mSWISS

Thu 5/2210:05 amMAD - SEA

2 stops17h 28mSWISS

Deal found 4/30

$2,058

Thu 5/85:40 pmSEA - MAD

1 stop17h 25mFinnair

Sat 5/177:15 amMAD - SEA

2 stops17h 45mFinnair

Deal found 4/30

$15,272

Fri 5/97:10 pmSEA - MAD

1 stop30h 15mTurkish Airlines

Thu 5/226:20 pmMAD - SEA

1 stop31h 55mTurkish Airlines

Deal found 4/30

$791

Fri 5/96:45 pmSEA - MAD

1 stop18h 10mAmerican Airlines

Thu 5/221:45 pmMAD - SEA

1 stop17h 05mAmerican Airlines

Deal found 4/30

$1,875

Fri 5/96:50 pmSEA - MAD

1 stop18h 35mLufthansa

Thu 5/226:00 amMAD - SEA

2 stops17h 13mLufthansa

Deal found 4/30

$2,003

Fri 5/95:05 pmSEA - MAD

1 stop19h 50mMultiple Airlines

Sat 5/247:05 amMAD - SEA

1 stop17h 10mMultiple Airlines

Deal found 4/29

$725

Sat 5/1011:55 amSEA - MAD

2 stops39h 15mScandinavian Airlines

Sun 5/256:35 pmMAD - SEA

1 stop28h 15mScandinavian Airlines

Deal found 4/30

$836

Sun 5/115:05 pmSEA - MAD

1 stop19h 50mMultiple Airlines

Tue 5/207:05 amMAD - SEA

2 stops20h 51mMultiple Airlines

Deal found 4/29

$790

Sun 5/1111:59 pmSEA - MAD

2 stops24h 56mAer Lingus

Sun 5/1810:35 amMAD - SEA

1 stop16h 15mAer Lingus

Deal found 4/30

$1,085

Sun 5/112:55 pmSEA - MAD

2 stops17h 40mAir Canada

Sun 5/1812:30 pmMAD - SEA

2 stops18h 43mAir Canada

Deal found 4/30

$8,489

One-way flights from Seattle to Madrid
Search for one-way flight options from Seattle to Madrid. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Wed 9/246:41 amSEA - MAD

2 stops24h 44mMultiple Airlines

Deal found 4/30

$388

Wed 8/204:00 pmSEA - MAD

1 stop35h 10mScandinavian Airlines

Deal found 4/30

$389

Tue 7/1511:30 amSEA - MAD

1 stop15h 00mJetBlue

Deal found 4/30

$404

Wed 9/241:30 pmSEA - MAD

1 stop17h 45mBritish Airways

Deal found 4/30

$443

Fri 9/197:35 pmSEA - MAD

1 stop29h 20mAer Lingus

Deal found 4/30

$451

Sat 9/207:20 amSEA - MAD

2 stops40h 00mAir Canada

Deal found 4/30

$470

Thu 9/412:30 pmSEA - MAD

1 stop40h 05mTurkish Airlines

Deal found 5/1

$472

Wed 9/247:05 amSEA - MAD

3 stops27h 45mUnited Airlines

Deal found 4/30

$513

Tue 7/155:55 amSEA - MAD

2 stops20h 25mDelta

Deal found 4/30

$576

Sat 9/2011:30 amSEA - MAD

3 stops22h 50mTAP AIR PORTUGAL

Deal found 4/30

$778

Fri 5/165:20 amSEA - MAD

1 stop15h 10mAmerican Airlines

Deal found 4/30

$788

Thu 6/125:30 amSEA - MAD

2 stops19h 05mVirgin Atlantic

Deal found 4/30

$878

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Mon 6/2

5:05 pm-9:55 pm

1 stop19h 50m

Madrid Barajas

Fri 6/6

7:05 am-3:05 pm

1 stop17h 00m

$711

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 5/11

7:10 pm-1:35 pm

1 stop33h 25m

Madrid Barajas

Sun 5/18

2:45 pm-5:15 pm

1 stop35h 30m

$758

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 5/11

11:55 am-12:10 pm

2 stops39h 15m

Madrid Barajas

Sun 5/25

6:35 pm-1:50 pm

1 stop28h 15m

$780

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 7/20

12:10 pm-8:20 am

1 stop35h 10m

Madrid Barajas

Tue 7/29

12:30 pm-11:10 am

1 stop31h 40m

$893

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 7/20

7:15 pm-6:40 am

2 stops26h 25m

Madrid Barajas

Tue 7/29

12:45 pm-2:16 pm

2 stops34h 31m

$917

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 7/11

11:30 am-11:30 am

1 stop15h 00m

Madrid Barajas

Mon 7/21

1:30 pm-10:10 pm

1 stop17h 40m

$1,032

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Wed 5/14

7:16 am-11:20 am

2 stops19h 04m

Madrid Barajas

Thu 6/5

6:00 am-4:44 pm

2 stops19h 44m

$1,057

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Mon 7/7

12:20 am-6:40 am

2 stops21h 20m

Madrid Barajas

Thu 7/24

12:30 pm-4:20 pm

2 stops36h 50m

$1,100

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 6/17

12:35 pm-6:45 pm

2 stops21h 10m

Madrid Barajas

Mon 6/23

7:35 pm-6:36 pm

2 stops32h 01m

$1,138

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Wed 9/24

6:41 am-4:25 pm

2 stops24h 44m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 23 results

Compare providers for flights from Seattle to Madrid

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Madrid in May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 stars
Gotogate	Price Accuracy3 stars	Trust Score*2 stars
Thrive Travel	Price Accuracy3 stars	Trust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Seattle-Madrid flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Madrid flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Seattle-Madrid flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Seattle-Madrid flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Madrid flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Madrid

Have a flexible travel schedule? Discover the best time to fly to Madrid from Seattle 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 Seattle to Madrid

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

The best time to book flights from Seattle to Madrid is 24 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Seattle to Madrid (average of $543). Flying from Seattle to Madrid in June is currently the most expensive (average of $1,086). 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 SEA to MAD?

A simple way to save on the total cost of your ticket is to fly from Seattle to Madrid in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight at noon.

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

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

Rainfall in Madrid by month

In terms of precipitation, rainfall in Madrid ranges from 0.4 - 2.4 inches per month. November is typically the wettest month, when rainfall can reach 2.4 in. July is typically the driest time to visit Madrid when rainfall is around 0.4 in.

Temperature in Madrid by month

If weather is an important factor for your trip to Madrid, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Madrid

Get a feel of what it's like to fly with Delta, SWISS and United Airlines from Seattle to Madrid by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,934 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS

7.5

Good

1,588 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic

7.4

Good

643 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

JetBlue

7.3

Good

2,924 reviews

Delta

8.0

Very good

7,934 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from Seattle to Madrid round-trip?
Cheapflights users have booked flights from Seattle to Madrid round-trip from $705. Other airlines that can offer you cheap pricing are Air Canada, from $707, and SWISS, from $714. British Airways is priced at 26% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Seattle to Madrid one-way?
The cheapest airline one-way is Scandinavian Airlines, with whom users have recently found tickets for as low as $389. However, be on the lookout for offers from JetBlue and British Airways, as they are both options that can get you from Seattle to Madrid for a low price.
Where are the most common layover locations when flying from Seattle to Madrid?
Flights departing from Seattle and landing in Madrid layover in London most frequently. Paris is the second most popular location for layovers on flights from Seattle to Madrid.
What are some popular things to do or see while on a layover in London?
The majority of London visitors spend their time at Hyde Park, Piccadilly Circus, and Buckingham Palace. Hyde Park, Piccadilly Circus, and Buckingham Palace are located about 12.5 mi, 14.1 mi, and 13.7 mi, respectively from London Heathrow. Travelers in need of a car in London can rent one for about $53 per day.
What are some popular points of interest to see during a layover in Paris?
If you're on a layover in Paris and looking for things to do, consider visiting Eiffel Tower, Champs-Elysées, or Louvre Museum. Those on a layover in Paris interested in visiting Eiffel Tower, Champs-Elysées, or Louvre Museum can do so by traveling 15.8 mi, 14.7 mi, and 14.3 mi, respectively from Paris Charles de Gaulle. Those on a layover in Paris in need of a rental car can book one at Paris Charles de Gaulle for about $42.
Where are the least popular layover locations for Seattle to Madrid flights?
Seattle to Madrid flights have a layover in Amsterdam least often. Dallas follows Amsterdam in terms of the least common layover location on Seattle to Madrid flights.
Can I find deals for flights from Seattle to Madrid that include hotel bookings?
Yes. In addition to deals on Seattle to Madrid flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Madrid?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Madrid.
Can I find deals for business class flights from Seattle to Madrid?
Yes. Cheapflights offers flight deals from Seattle to Madrid 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 Seattle to Madrid?
Currently, November is the cheapest month in which you can book a flight from Seattle to Madrid (average of $543). Flying from Seattle to Madrid in June is currently the most expensive (average of $1,086). 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

Segovia

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Alternative routes for Seattle to Madrid

Portland to Madrid flights

Spokane to Madrid flights

Pasco to Madrid flights

Bellingham to Madrid flights

Wenatchee to Madrid flights

Yakima to Madrid flights

Other flights to Madrid

Top 10 airlines flying from Seattle to Madrid

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$475	Average$502	FlexibilityNo cancel fee	On-time77%
Aer Lingus	Cheapest$518	Average$824	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$604	Average$869	FlexibilityNo cancel fee	On-time70%
KLM	Cheapest$610	Average$1,014	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$616	Average$1,002	FlexibilityNo cancel fee	On-time69%
Iberia	Cheapest$616	Average$870	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$619	Average$986	FlexibilityNo cancel fee	On-time71%
Turkish Airlines	Cheapest$631	Average$689	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$633	Average$1,009	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$697	Average$1,055	FlexibilityNo cancel fee	On-timeN/A

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$388+ Cheap flights from Seattle (SEA) to Madrid, Spain (MAD)

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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Madrid Barajas are usually found in November or February, booked 24 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Seattle to Madrid

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Find flight deals from Seattle to Madrid

Cheapest flights from Seattle to MadridExplore the most affordable flight options available from Seattle to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

Explore the most affordable flight options available from Seattle to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

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

Compare providers for flights from Seattle to Madrid

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Madrid in May.

Best time to book a flight from Seattle to Madrid

Have a flexible travel schedule? Discover the best time to fly to Madrid from Seattle with our price prediction graph.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Madrid. Price data was last updated on April 25, 2025.

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

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

Find hourly flight availability from Seattle to Madrid. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Madrid. Price data was last updated on December 16, 2024.

Rainfall in Madrid by month

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

Temperature in Madrid by month

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

Reviews of airlines servicing Madrid

Get insights into the airlines that provide service to Madrid. 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 Madrid. Reviews last updated May 1, 2025.

Get a feel of what it's like to fly with Delta, SWISS and United Airlines from Seattle to Madrid by reading reviews from past customers. Users have also rated airlines 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 Seattle to Madrid. 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 Seattle to Madrid round-trip?

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

Where are the most common layover locations when flying from Seattle to Madrid?

What are some popular things to do or see while on a layover in London?

What are some popular points of interest to see during a layover in Paris?

Where are the least popular layover locations for Seattle to Madrid flights?

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

How can I find direct flights from Seattle to Madrid?

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

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

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Alternative routes for Seattle to Madrid

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Top 10 airlines flying from Seattle to Madrid

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Cheapest flights from Seattle to Madrid
Explore the most affordable flight options available from Seattle to Madrid. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.