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Cheap flights from Seattle to Madrid, Spain from £255

SEA — MAD
11 Oct — 18 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Madrid

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Madrid

Thu 5/1113:50 -
1 stop17h 30m
Sun 15/1106:05 -
1 stop14h 55m
Deal found 10/9£529
Tue 3/1116:05 -
1 stop16h 40m
Tue 10/1113:05 -
1 stop31h 42m
Deal found 10/9£538
Wed 18/1105:05 -
2 stops17h 55m
Wed 25/1113:25 -
2 stops31h 54m
Deal found 8/9£542
Sun 25/1022:56 -
2 stops26h 19m
Tue 17/1113:25 -
2 stops35h 07m
Deal found 9/9£543
Wed 18/1114:50 -
2 stops16h 30m
Thu 17/1206:05 -
1 stop14h 55m
Deal found 9/9£544
Wed 4/1115:25 -
1 stop17h 20m
Thu 12/1110:00 -
2 stops22h 00m
Deal found 9/9£545
Thu 19/1113:50 -
2 stops19h 00m
Thu 17/1206:05 -
1 stop14h 55m
Deal found 9/9£546
Thu 22/1017:45 -
1 stop13h 40m
Sun 15/1106:05 -
1 stop14h 42m
Deal found 9/9£547
Sat 21/1123:17 -
2 stops23h 28m
Mon 14/1206:05 -
1 stop14h 55m
Deal found 9/9£548
Sat 31/1007:24 -
2 stops20h 06m
Sat 14/1106:05 -
2 stops23h 41m
Deal found 9/9£548
Tue 27/1007:00 -
2 stops16h 45m
Wed 18/1106:05 -
1 stop14h 55m
Deal found 9/9£550
Sat 21/1108:09 -
2 stops40h 06m
Sun 6/1213:25 -
3 stops63h 55m
Deal found 10/9£551

Find flight deals from Seattle to Madrid

Round-trip from

£529

One-way from

£255

Popular in

June

Cheapest in

February

Average price

£667
United Airlines
  • United Airlines
  • 5/11-16/11
  • 2 total stops
  • 32h 25m total
  • Seattle to Madrid
Search Deals
JetBlue
  • JetBlue
  • 22/10-31/12
  • 1 total stop
  • 26h 35m total
  • Seattle to Madrid
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£103 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest return flight

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Thu 22/10

23:55-11:30

1 stop26h 35m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£255

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Mon 22/2

18:45-09:45

1 stop30h 00m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£277

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Wed 3/3

18:45-09:45

1 stop30h 00m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£277

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Mon 1/3

15:51-07:45

3 stops30h 54m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£282

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Sat 27/2

21:55-07:20

1 stop24h 25m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£282

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Sat 27/2

15:51-07:45

3 stops30h 54m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£282

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Sun 21/2

17:30-07:45

2 stops29h 15m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£282

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Sun 28/2

15:51-07:45

3 stops30h 54m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£286

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Fri 5/3

21:55-19:10

2 stops36h 15m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£294

SeattleMadrid

SEA Seattle/Tacoma Intl - MAD Madrid Barajas

SEAMAD

Seattle/Tacoma Intl

Fri 26/2

23:50-07:45

2 stops46h 55m

Madrid Barajas

Wed 31/12

00:00-15:00

Nonstop0h 00m

£299

Flights are sorted by cheapest return flights first.

Deals found on 7/9

Showing 1-10 of 24 resultsSorted by cheapest first
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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 return price

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?

Booking 48 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Madrid. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Seattle to Madrid (average of £437). Flying from Seattle to Madrid in June is currently the most expensive (average of £858). 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.

How much does it cost for a return flight from Seattle to Madrid?

Airfare is typical for this route at the moment.

Seattle to Madrid flights typically cost between £496 and £815 in November.
The cheapest return price found within the last 5 days was £529 on United Airlines (5 Nov–15 Nov).

Related info for your journey

  • How long is the flight from Seattle to Madrid?

    There are many flights that can get you from Seattle to Madrid in 13h 42m. Fly via Delta, Alaska Airlines, or British Airways to get the fastest option. Airlines will cover a distance of 5292 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 holiday 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, February is the cheapest month in which you can book a flight from Seattle to Madrid (average of £437). Flying from Seattle to Madrid in June is currently the most expensive (average of £858). 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

Travelling to a place near Madrid?

Book flights to Madrid if you plan to visit one of these locations
Fuenlabrada
San Lorenzo de El Escorial
Getafe
Guadalajara

Browse thousands of different options on Cheapflights for your next trip

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How does Cheapflights help users find flights from Seattle to Madrid?

Cheapflights makes it easy to find Seattle to Madrid flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Madrid?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Madrid from Seattle.

Can Cheapflights find flights from Seattle to Madrid with no change fees?

Yes! Cheapflights helps users easily find flights from Seattle to Madrid with no change fees.

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Not ready to book yet? You can track prices for flights from Seattle to Madrid on Cheapflights with our Price Alert feature and get notified when better prices are available.

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