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

Cheapflights users have booked flights from Seattle to Madrid round-trip from $575. Other airlines that can offer you cheap pricing are British Airways, from $579, and Iberia, from $590. Delta is priced at 38% 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 $390. However, be on the lookout for offers from Aer Lingus and JetBlue, 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, Buckingham Palace, and Piccadilly Circus. Hyde Park, Buckingham Palace, and Piccadilly Circus are located about 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Travelers in need of a car in London can rent one for about $44 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 $39.

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 65% 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 $754, or $1,338 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 $485.

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.

$287+ Flights from Seattle to Madrid, Spain

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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”

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Madrid Barajas are usually found in November or February, booked 61 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Seattle to Madrid

Round-trip from	$575 (Delta)
One-way from	$287 (Kiwi.com)
Popular in	December
Cheapest in	November
Average price	$1,187

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. 3% potential increase in price ($31 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($45 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 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 June 12, 2025.

Mon 8/187:18 amSEA - MAD

1 stop15h 32mDelta

Mon 8/251:05 pmMAD - SEA

1 stop35h 50mDelta

Deal found 6/11

$575

Sun 9/211:30 pmSEA - MAD

1 stop18h 05mBritish Airways

Sun 9/288:30 pmMAD - SEA

1 stop24h 05mBritish Airways

Deal found 6/11

$576

Sun 10/57:15 amSEA - MAD

1 stop14h 25mUnited Airlines

Thu 10/236:00 amMAD - SEA

1 stop14h 55mUnited Airlines

Deal found 6/12

$577

Sat 11/17:30 amSEA - MAD

2 stops40h 35mAir Canada

Fri 11/211:20 pmMAD - SEA

2 stops28h 56mAir Canada

Deal found 6/12

$578

Wed 12/103:10 pmSEA - MAD

1 stop17h 40mLufthansa

Thu 1/86:35 pmMAD - SEA

1 stop27h 45mLufthansa

Deal found 6/11

$581

Tue 7/223:13 pmSEA - MAD

1 stop13h 12mIberia

Tue 8/264:40 pmMAD - SEA

1 stop16h 00mIberia

Deal found 6/11

$590

Wed 11/52:00 pmSEA - MAD

1 stop18h 00mAir France

Wed 11/1910:00 amMAD - SEA

1 stop18h 29mAir France

Deal found 6/12

$600

Fri 9/51:50 pmSEA - MAD

1 stop15h 30mAmerican Airlines

Fri 9/191:45 pmMAD - SEA

1 stop17h 19mAmerican Airlines

Deal found 6/12

$602

Fri 9/56:42 amSEA - MAD

1 stop13h 48mMultiple Airlines

Fri 9/191:45 pmMAD - SEA

1 stop17h 15mMultiple Airlines

Deal found 6/9

$603

Sun 9/71:55 pmSEA - MAD

1 stop20h 35mKLM

Sat 9/135:10 pmMAD - SEA

1 stop27h 35mKLM

Deal found 6/10

$665

Wed 10/81:00 pmSEA - MAD

2 stops35h 20mSWISS

Sun 10/2610:10 amMAD - SEA

2 stops21h 05mSWISS

Deal found 6/12

$669

Sun 8/314:00 pmSEA - MAD

1 stop35h 10mScandinavian Airlines

Wed 12/35:00 pmMAD - SEA

2 stops39h 24mScandinavian Airlines

Deal found 6/11

$691

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 June 12, 2025.

Mon 8/187:18 amSEA - MAD

1 stop15h 32mDelta

Mon 8/251:05 pmMAD - SEA

1 stop35h 50mDelta

Deal found 6/11

$575

Mon 6/308:20 pmSEA - MAD

1 stop14h 25mBritish Airways

Tue 9/161:45 pmMAD - SEA

1 stop17h 19mBritish Airways

Deal found 6/10

$579

Tue 7/223:13 pmSEA - MAD

1 stop13h 12mIberia

Tue 8/264:40 pmMAD - SEA

1 stop16h 00mIberia

Deal found 6/11

$590

Mon 8/117:18 amSEA - MAD

1 stop15h 32mVirgin Atlantic

Mon 8/2510:05 amMAD - SEA

1 stop19h 20mVirgin Atlantic

Deal found 6/10

$602

Fri 9/56:42 amSEA - MAD

1 stop13h 48mMultiple Airlines

Fri 9/191:45 pmMAD - SEA

1 stop17h 15mMultiple Airlines

Deal found 6/9

$603

Mon 8/45:30 amSEA - MAD

2 stops16h 10mAir Canada

Wed 8/2012:45 pmMAD - SEA

2 stops29h 36mAir Canada

Deal found 6/11

$618

Mon 9/17:20 amSEA - MAD

1 stop14h 20mUnited Airlines

Wed 12/31:20 pmMAD - SEA

2 stops42h 09mUnited Airlines

Deal found 6/11

$639

Sun 9/71:55 pmSEA - MAD

1 stop20h 35mKLM

Sat 9/135:10 pmMAD - SEA

1 stop27h 35mKLM

Deal found 6/10

$665

Tue 8/191:45 pmSEA - MAD

2 stops34h 35mSWISS

Mon 8/257:35 pmMAD - SEA

2 stops32h 01mSWISS

Deal found 6/11

$684

Thu 7/3112:30 pmSEA - MAD

1 stop17h 55mTurkish Airlines

Fri 8/812:00 pmMAD - SEA

1 stop31h 35mTurkish Airlines

Deal found 6/10

$685

Sun 8/314:00 pmSEA - MAD

1 stop35h 10mScandinavian Airlines

Wed 12/35:00 pmMAD - SEA

2 stops39h 24mScandinavian Airlines

Deal found 6/11

$691

Wed 7/21:30 pmSEA - MAD

1 stop12h 50mAir France

Wed 7/912:20 pmMAD - SEA

1 stop14h 05mAir France

Deal found 6/11

$764

Last-minute flights from Seattle to Madrid
Discover last-minute flight deals from Seattle to Madrid. Data last updated June 12, 2025 and is based on user searches.

Tue 6/1711:30 amSEA - MAD

1 stop15h 00mJetBlue

Wed 7/91:30 pmMAD - SEA

1 stop17h 34mJetBlue

Deal found 6/10

$1,306

Tue 6/177:20 amSEA - MAD

1 stop15h 30mKLM

Mon 6/308:25 pmMAD - SEA

1 stop24h 10mKLM

Deal found 6/12

$2,157

Wed 6/1810:00 amSEA - MAD

2 stops21h 15mLufthansa

Mon 6/306:20 pmMAD - SEA

2 stops26h 35mLufthansa

Deal found 6/12

$2,188

Thu 6/1911:30 amSEA - MAD

2 stops27h 50mTAP AIR PORTUGAL

Tue 6/2411:05 amMAD - SEA

2 stops32h 15mTAP AIR PORTUGAL

Deal found 6/12

$1,977

Thu 6/1911:50 amSEA - MAD

2 stops19h 55mDelta

Thu 7/1012:40 pmMAD - SEA

1 stop19h 08mDelta

Deal found 6/10

$2,215

Fri 6/205:05 pmSEA - MAD

1 stop19h 50mMultiple Airlines

Wed 9/177:05 amMAD - SEA

1 stop17h 00mMultiple Airlines

Deal found 6/12

$960

Fri 6/207:35 pmSEA - MAD

1 stop17h 20mAer Lingus

Wed 9/176:55 amMAD - SEA

2 stops22h 14mAer Lingus

Deal found 6/12

$1,233

Sat 6/2111:35 amSEA - MAD

1 stop35h 45mAir Canada

Tue 9/1612:45 pmMAD - SEA

2 stops29h 36mAir Canada

Deal found 6/12

$1,373

Sat 6/2110:15 pmSEA - MAD

1 stop24h 50mUnited Airlines

Tue 9/166:00 amMAD - SEA

2 stops17h 16mUnited Airlines

Deal found 6/11

$1,377

Sat 6/211:28 pmSEA - MAD

1 stop14h 57mBritish Airways

Sun 7/207:10 pmMAD - SEA

2 stops31h 40mBritish Airways

Deal found 6/10

$1,888

Sun 6/227:10 pmSEA - MAD

1 stop18h 20mTurkish Airlines

Wed 7/912:00 pmMAD - SEA

1 stop31h 35mTurkish Airlines

Deal found 6/10

$1,188

Sun 6/224:00 pmSEA - MAD

1 stop35h 10mScandinavian Airlines

Sun 7/136:35 pmMAD - SEA

2 stops38h 26mScandinavian Airlines

Deal found 6/10

$1,482

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 June 12, 2025.

Wed 10/153:45 pmSEA - MAD

2 stops16h 35mMultiple Airlines

Deal found 6/10

$287

Wed 10/154:20 pmSEA - MAD

1 stop34h 50mScandinavian Airlines

Deal found 6/9

$390

Mon 8/47:35 pmSEA - MAD

1 stop29h 20mAer Lingus

Deal found 6/12

$399

Wed 7/2311:43 amSEA - MAD

1 stop14h 47mJetBlue

Deal found 6/10

$404

Sat 8/99:30 pmSEA - MAD

1 stop27h 05mDelta

Deal found 6/10

$430

Thu 10/2312:30 pmSEA - MAD

1 stop40h 05mTurkish Airlines

Deal found 6/12

$457

Sat 8/97:20 amSEA - MAD

2 stops40h 00mAir Canada

Deal found 6/12

$470

Sun 8/312:20 amSEA - MAD

2 stops23h 40mUnited Airlines

Deal found 6/11

$474

Fri 9/193:00 pmSEA - MAD

2 stops20h 35mIberia

Deal found 6/12

$498

Tue 7/87:15 amSEA - MAD

1 stop15h 35mKLM

Deal found 6/11

$504

Sun 7/207:15 amSEA - MAD

1 stop15h 35mAir France

Deal found 6/11

$508

Thu 7/1012:59 amSEA - MAD

1 stop23h 06mAmerican Airlines

Deal found 6/10

$666

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 8/18

7:18 am-7:50 am

1 stop15h 32m

Madrid Barajas

Mon 8/25

1:05 pm-3:55 pm

1 stop35h 50m

$575

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 9/21

1:30 pm-4:35 pm

1 stop18h 05m

Madrid Barajas

Sun 9/28

8:30 pm-11:35 am

1 stop24h 05m

$576

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 10/5

7:15 am-6:40 am

1 stop14h 25m

Madrid Barajas

Thu 10/23

6:00 am-11:55 am

1 stop14h 55m

$577

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sat 11/1

7:30 am-8:05 am

2 stops40h 35m

Madrid Barajas

Fri 11/21

1:20 pm-9:16 am

2 stops28h 56m

$578

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Tue 7/22

3:13 pm-1:25 pm

1 stop13h 12m

Madrid Barajas

Tue 8/26

4:40 pm-11:40 pm

1 stop16h 00m

$590

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Wed 11/5

2:00 pm-5:00 pm

1 stop18h 00m

Madrid Barajas

Wed 11/19

10:00 am-7:29 pm

1 stop18h 29m

$600

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 9/5

1:50 pm-2:20 pm

1 stop15h 30m

Madrid Barajas

Fri 9/19

1:45 pm-10:04 pm

1 stop17h 19m

$602

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Fri 9/5

6:42 am-5:30 am

1 stop13h 48m

Madrid Barajas

Fri 9/19

1:45 pm-10:00 pm

1 stop17h 15m

$603

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Mon 10/6

7:00 am-2:10 pm

2 stops22h 10m

Madrid Barajas

Mon 10/27

1:45 pm-1:10 pm

1 stop31h 25m

$623

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Sun 9/7

1:55 pm-7:30 pm

1 stop20h 35m

Madrid Barajas

Sat 9/13

5:10 pm-11:45 am

1 stop27h 35m

$665

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 26 results

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 61 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 $1,057). 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, KLM and Air France 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

7,946 reviews

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

7,946 reviews

Delta

8.0

Very good

7,946 reviews

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

7,946 reviews

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!

Air France

7.5

Good

1,463 reviews

Delta

8.0

Very good

7,946 reviews

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

7,946 reviews

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

7,946 reviews

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

What are the cheapest airlines flying from Seattle to Madrid round-trip?
Cheapflights users have booked flights from Seattle to Madrid round-trip from $575. Other airlines that can offer you cheap pricing are British Airways, from $579, and Iberia, from $590. Delta is priced at 38% 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 $390. However, be on the lookout for offers from Aer Lingus and JetBlue, 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, Buckingham Palace, and Piccadilly Circus. Hyde Park, Buckingham Palace, and Piccadilly Circus are located about 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Travelers in need of a car in London can rent one for about $44 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 $39.
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 $1,057). 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

Wenatchee to Madrid flights

Pasco to Madrid flights

Bellingham 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$506	FlexibilityNo cancel fee	On-time77%
Aer Lingus	Cheapest$503	Average$867	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$549	Average$838	FlexibilityNo cancel fee	On-time70%
Iberia	Cheapest$562	Average$822	FlexibilityNo cancel fee	On-time77%
Air Canada	Cheapest$581	Average$943	FlexibilityNo cancel fee	On-time67%
Finnair	Cheapest$586	Average$1,138	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$599	Average$904	FlexibilityNo cancel fee	On-time71%
KLM	Cheapest$610	Average$974	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$615	Average$933	FlexibilityNo cancel fee	On-time69%
Turkish Airlines	Cheapest$630	Average$684	FlexibilityNo cancel fee	On-time77%

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$287+ 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 10/15. 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 61 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Seattle to Madrid

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 June 12, 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 June 12, 2025.

Cheapflights Fare Finder

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

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 June 9, 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 June 12, 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 June 12, 2025.

Get a feel of what it's like to fly with Delta, KLM and Air France 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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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 June 12, 2025.