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

Cheapflights users have booked flights from Seattle to Madrid round-trip from $653. Other airlines that can offer you cheap pricing are Turkish Airlines, from $660, and United Airlines, from $785. Scandinavian Airlines is priced at 32% 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 British Airways, with whom users have recently found tickets for as low as $506. However, be on the lookout for offers from American Airlines and Turkish Airlines, 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 $39 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 $41.

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 43 days in advance to save up to 106% 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 43 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 $716, or $1,422 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 $402.

Most accurate provider : When it comes to deals on Seattle-Madrid flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Madrid flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

$369+ Flights from Seattle to Madrid, Spain

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Find cheap flights from Seattle to Madrid 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 Seattle/Tacoma Intl to Madrid Barajas are usually found in November or February, booked 42 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Seattle to Madrid

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$640 (CheapOair)
One-way from	$369 (Kiwi.com)
Popular in	December
Cheapest in	November
Average price	$798

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

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

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High demand for flights, 0% potential price rise

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 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 marzo 28, 2025.

mié. 11/55:36 amSEA - MAD

2 stops17h 29mUnited Airlines

mar. 11/1111:05 amMAD - SEA

2 stops20h 54mUnited Airlines

Deal found 3/27

$625

lun. 4/145:05 pmSEA - MAD

1 stop19h 50mMultiple Airlines

lun. 4/287:05 amMAD - SEA

1 stop17h 00mMultiple Airlines

Deal found 3/26

$640

dom. 5/254:00 pmSEA - MAD

1 stop35h 10mScandinavian Airlines

dom. 6/16:35 pmMAD - SEA

1 stop28h 15mScandinavian Airlines

Deal found 3/27

$653

jue. 11/66:50 pmSEA - MAD

1 stop14h 40mIberia

mar. 11/1810:40 amMAD - SEA

1 stop15h 15mIberia

Deal found 3/27

$655

mié. 11/197:46 amSEA - MAD

1 stop16h 39mBritish Airways

lun. 11/248:35 pmMAD - SEA

1 stop23h 45mBritish Airways

Deal found 3/27

$657

lun. 4/287:10 pmSEA - MAD

1 stop36h 40mTurkish Airlines

jue. 5/2212:00 pmMAD - SEA

1 stop38h 15mTurkish Airlines

Deal found 3/26

$660

mar. 9/167:15 pmSEA - MAD

2 stops31h 00mAir Canada

mié. 10/112:15 pmMAD - SEA

1 stop16h 16mAir Canada

Deal found 3/27

$787

lun. 8/186:00 amSEA - MAD

1 stop18h 35mDelta

lun. 8/2510:05 amMAD - SEA

1 stop19h 37mDelta

Deal found 3/27

$855

jue. 7/2411:30 amSEA - MAD

1 stop15h 00mJetBlue

mié. 8/201:30 pmMAD - SEA

1 stop17h 40mJetBlue

Deal found 3/26

$899

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 marzo 28, 2025.

lun. 4/145:05 pmSEA - MAD

1 stop19h 50mMultiple Airlines

lun. 4/287:05 amMAD - SEA

1 stop17h 00mMultiple Airlines

Deal found 3/26

$640

dom. 5/254:00 pmSEA - MAD

1 stop35h 10mScandinavian Airlines

dom. 6/16:35 pmMAD - SEA

1 stop28h 15mScandinavian Airlines

Deal found 3/27

$653

lun. 4/287:10 pmSEA - MAD

1 stop36h 40mTurkish Airlines

jue. 5/2212:00 pmMAD - SEA

1 stop38h 15mTurkish Airlines

Deal found 3/26

$660

dom. 4/2710:12 pmSEA - MAD

2 stops23h 28mUnited Airlines

mar. 5/612:45 pmMAD - SEA

1 stop15h 52mUnited Airlines

Deal found 3/27

$785

dom. 4/276:00 amSEA - MAD

2 stops39h 40mAir Canada

mar. 5/612:45 pmMAD - SEA

2 stops34h 28mAir Canada

Deal found 3/27

$787

mié. 4/308:20 pmSEA - MAD

1 stop28h 15mBritish Airways

mar. 5/2012:00 pmMAD - SEA

1 stop32h 35mBritish Airways

Deal found 3/26

$830

jue. 4/1711:20 amSEA - MAD

1 stop17h 05mIberia

jue. 5/14:40 pmMAD - SEA

1 stop15h 29mIberia

Deal found 3/27

$838

jue. 4/177:30 amSEA - MAD

1 stop17h 05mDelta

jue. 5/16:00 amMAD - SEA

2 stops21h 59mDelta

Deal found 3/27

$871

Last-minute flights from Seattle to Madrid
Discover last-minute flight deals from Seattle to Madrid. Data last updated marzo 28, 2025 and is based on user searches.

vie. 3/2810:41 amSEA - MAD

1 stop14h 44mBritish Airways

mar. 4/84:40 pmMAD - SEA

1 stop15h 29mBritish Airways

Deal found 3/26

$825

lun. 3/316:45 pmSEA - MAD

1 stop30h 10mAer Lingus

mié. 4/1610:35 amMAD - SEA

1 stop15h 24mAer Lingus

Deal found 3/27

$945

mar. 4/16:45 pmSEA - MAD

1 stop30h 10mAer Lingus

mié. 4/910:35 amMAD - SEA

1 stop15h 24mAer Lingus

Deal found 3/26

$1,047

mar. 4/11:56 pmSEA - MAD

2 stops25h 03mBritish Airways

sáb. 4/1210:35 amMAD - SEA

2 stops20h 24mBritish Airways

Deal found 3/25

$6,746

sáb. 4/511:45 pmSEA - MAD

2 stops23h 20mUnited Airlines

jue. 4/1011:15 amMAD - SEA

3 stops40h 22mUnited Airlines

Deal found 3/27

$2,163

dom. 4/67:10 pmSEA - MAD

1 stop30h 15mTurkish Airlines

vie. 5/96:20 pmMAD - SEA

1 stop31h 55mTurkish Airlines

Deal found 3/26

$750

dom. 4/67:10 pmSEA - MAD

1 stop30h 15mMultiple Airlines

mié. 5/75:55 amMAD - SEA

2 stops23h 33mMultiple Airlines

Deal found 3/26

$868

dom. 4/611:55 pmSEA - MAD

2 stops25h 20mTAP AIR PORTUGAL

jue. 5/87:40 amMAD - SEA

2 stops23h 46mTAP AIR PORTUGAL

Deal found 3/26

$1,305

dom. 4/67:05 pmSEA - MAD

2 stops26h 35mAir Canada

mié. 5/76:00 amMAD - SEA

2 stops17h 13mAir Canada

Deal found 3/26

$1,963

dom. 4/62:15 pmSEA - MAD

2 stops18h 20mLufthansa

vie. 5/96:00 amMAD - SEA

2 stops17h 13mLufthansa

Deal found 3/26

$2,008

lun. 4/145:05 pmSEA - MAD

1 stop19h 50mMultiple Airlines

lun. 4/287:05 amMAD - SEA

1 stop17h 00mMultiple Airlines

Deal found 3/26

$640

jue. 4/1711:20 amSEA - MAD

1 stop17h 05mIberia

jue. 4/244:40 pmMAD - SEA

1 stop15h 29mIberia

Deal found 3/27

$838

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 marzo 28, 2025.

sáb. 4/511:55 pmSEA - MAD

2 stops40h 10mMultiple Airlines

Deal found 3/26

$369

mié. 4/27:00 amSEA - MAD

1 stop17h 05mBritish Airways

Deal found 3/26

$506

mar. 4/112:59 amSEA - MAD

1 stop23h 06mAmerican Airlines

Deal found 3/26

$508

vie. 5/167:10 pmSEA - MAD

1 stop36h 40mTurkish Airlines

Deal found 3/27

$523

mar. 5/132:55 pmSEA - MAD

2 stops30h 45mAir Canada

Deal found 3/27

$603

sáb. 5/310:59 pmSEA - MAD

1 stop23h 51mVirgin Atlantic

Deal found 3/27

$608

mar. 5/135:13 pmSEA - MAD

3 stops30h 07mUnited Airlines

Deal found 3/27

$614

vie. 5/167:05 amSEA - MAD

2 stops27h 15mWestJet

Deal found 3/27

$629

sáb. 6/214:00 pmSEA - MAD

1 stop16h 45mScandinavian Airlines

Deal found 3/26

$662

mié. 6/251:30 pmSEA - MAD

1 stop18h 15mAir France

Deal found 3/26

$766

mié. 4/166:50 pmSEA - MAD

1 stop18h 35mLufthansa

Deal found 3/26

$2,294

dom. 5/188:20 pmSEA - MAD

1 stop15h 05mIberia

Deal found 3/26

$2,665

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

lun. 4/14

5:05 pm-9:55 pm

1 stop19h 50m

Madrid Barajas

lun. 4/28

7:05 am-3:05 pm

1 stop17h 00m

$640

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

dom. 5/25

4:00 pm-12:10 pm

1 stop35h 10m

Madrid Barajas

dom. 6/1

6:35 pm-1:50 pm

1 stop28h 15m

$653

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

lun. 4/28

7:10 pm-4:50 pm

1 stop36h 40m

Madrid Barajas

jue. 5/22

12:00 pm-5:15 pm

1 stop38h 15m

$660

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

dom. 4/27

10:12 pm-6:40 am

2 stops23h 28m

Madrid Barajas

mar. 5/6

12:45 pm-7:37 pm

1 stop15h 52m

$785

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

dom. 4/27

6:00 am-6:40 am

2 stops39h 40m

Madrid Barajas

mar. 5/6

12:45 pm-2:13 pm

2 stops34h 28m

$787

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

mié. 4/30

8:20 pm-9:35 am

1 stop28h 15m

Madrid Barajas

mar. 5/20

12:00 pm-11:35 am

1 stop32h 35m

$830

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

jue. 4/17

11:20 am-1:25 pm

1 stop17h 05m

Madrid Barajas

jue. 4/24

4:40 pm-11:09 pm

1 stop15h 29m

$838

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

jue. 4/17

7:30 am-9:35 am

1 stop17h 05m

Madrid Barajas

jue. 5/1

6:00 am-6:59 pm

2 stops21h 59m

$871

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

sáb. 4/5

11:55 pm-1:05 am

2 stops40h 10m

$369

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

mié. 4/2

7:00 am-9:05 am

1 stop17h 05m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 20 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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Madrid flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 42 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 $1,107). 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, Air France 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

7,896 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

7,896 reviews

Delta

8.0

Very good

7,896 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.

Air France

7.4

Good

1,424 reviews

Delta

8.0

Very good

7,896 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

8,603 reviews

Delta

8.0

Very good

7,896 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

634 reviews

Delta

8.0

Very good

7,896 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.

Turkish Airlines

7.3

Good

3,744 reviews

Delta

8.0

Very good

7,896 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 $653. Other airlines that can offer you cheap pricing are Turkish Airlines, from $660, and United Airlines, from $785. Scandinavian Airlines is priced at 32% 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 British Airways, with whom users have recently found tickets for as low as $506. However, be on the lookout for offers from American Airlines and Turkish Airlines, 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 $39 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 $41.
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 $1,107). 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

Fuenlabrada

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Alternative routes for Seattle to Madrid

Portland to Madrid flights

Spokane to Madrid flights

Pasco to Madrid flights

Yakima to Madrid flights

Bellingham to Madrid flights

Wenatchee 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$482	FlexibilityNo cancel fee	On-time77%
Aer Lingus	Cheapest$518	Average$900	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$606	Average$862	FlexibilityNo cancel fee	On-time70%
KLM	Cheapest$610	Average$1,034	FlexibilityNo cancel fee	On-time75%
Iberia	Cheapest$615	Average$872	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$616	Average$977	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$623	Average$1,005	FlexibilityNo cancel fee	On-time71%
Turkish Airlines	Cheapest$634	Average$692	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$634	Average$1,011	FlexibilityNo cancel fee	On-time76%
Delta	Cheapest$706	Average$1,072	FlexibilityNo cancel fee	On-timeN/A

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$369+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Madrid 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 Seattle/Tacoma Intl to Madrid Barajas are usually found in November or February, booked 42 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Seattle to Madrid

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 marzo 28, 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 marzo 28, 2025.

Cheapflights Fare Finder

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 March.

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.

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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 March 21, 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 marzo 28, 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 a feel of what it's like to fly with Delta, Air France 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 marzo 28, 2025.