$509+ Cheap flights from Madrid, Spain (MAD) to Seattle (SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
Oct 1 — Oct 81
Round-trip
1 adult, Economy
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Find cheap flights from Madrid to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Madrid to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Madrid to SeattleExplore the most affordable flight options available from Madrid to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
Explore the most affordable flight options available from Madrid to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
This Trip.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:15 am -
2 stops19h 25m
Tue 10/67:00 pm -
2 stops16h 35m
Deal found 8/30![Multiple Airlines logo]()
$574
This Mytrip deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:30 am -
2 stops22h 10m
Wed 10/283:35 pm -
2 stops20h 45m
Deal found 8/31![Multiple Airlines logo]()
$660
This Mytrip deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:45 am -
2 stops18h 15m
Fri 11/272:35 pm -
2 stops24h 10m
Deal found 8/29![Multiple Airlines logo]()
$711
This Cheapflightsfares deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:00 am -
1 stop17h 40m
Tue 10/206:05 pm -
1 stop18h 50m
Deal found 8/29![Multiple Airlines logo]()
$716
This Cheapflightsfares deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am -
1 stop17h 40m
Wed 10/215:40 pm -
1 stop19h 15m
Deal found 8/30![Multiple Airlines logo]()
$738
This Gotogate deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:00 am -
1 stop18h 00m
Sun 11/84:15 pm -
1 stop20h 30m
Deal found 8/28![Multiple Airlines logo]()
$740
This FlightHub deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:00 am -
2 stops22h 05m
Sun 11/84:15 pm -
1 stop20h 30m
Deal found 8/29![Multiple Airlines logo]()
$747
Best flights from Madrid to SeattleDiscover carefully curated flight deals from Madrid to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
Discover carefully curated flight deals from Madrid to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
This British Airways deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:15 pm -
1 stop17h 44m
Wed 11/116:45 pm -
1 stop14h 50m
Deal found 9/1![British Airways logo]()
$857
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/296:05 am -
1 stop14h 45m
Thu 2/116:00 am -
2 stops20h 30m
Deal found 8/30![Delta logo]()
$861
This Condor deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am -
2 stops25h 42m
Mon 9/286:10 pm -
1 stop18h 45m
Deal found 8/31![Multiple Airlines logo]()
$881
This United Airlines deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/146:05 am -
2 stops24h 51m
Mon 1/187:00 am -
2 stops17h 15m
Deal found 8/29![United Airlines logo]()
$885
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/216:05 am -
2 stops23h 45m
Sun 3/73:30 pm -
1 stop18h 40m
Deal found 8/30![Delta logo]()
$867
This United Airlines deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/16:05 am -
3 stops26h 16m
Fri 2/1211:50 pm -
2 stops23h 10m
Deal found 8/28![United Airlines logo]()
$893
This Delta deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/16:05 am -
2 stops19h 48m
Fri 2/126:05 am -
2 stops20h 25m
Deal found 8/28![Delta logo]()
$872
This Delta deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/106:00 am -
2 stops25h 04m
Mon 1/187:15 am -
2 stops19h 15m
Deal found 8/30![Delta logo]()
$873
Last-minute flights from Madrid to SeattleDiscover last-minute flight deals from Madrid to Seattle. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Madrid to Seattle. Data last updated September 1, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:15 am -
2 stops19h 25m
Tue 10/67:00 pm -
2 stops16h 35m
Deal found 8/30![Multiple Airlines logo]()
$574
This Cheapflightsfares deal was found by Cheapflights users on 8/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:00 am -
1 stop17h 40m
Tue 10/206:05 pm -
1 stop18h 50m
Deal found 8/29![Multiple Airlines logo]()
$716
This Cheapflightsfares deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am -
1 stop17h 40m
Wed 10/215:40 pm -
1 stop19h 15m
Deal found 8/30![Multiple Airlines logo]()
$738
This Mytrip deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:30 am -
2 stops22h 10m
Wed 10/283:35 pm -
2 stops20h 45m
Deal found 8/31![Multiple Airlines logo]()
$660
This Gotogate deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:00 am -
1 stop18h 00m
Sun 11/84:15 pm -
1 stop20h 30m
Deal found 8/28![Multiple Airlines logo]()
$740
One-way flights from Madrid to SeattleSearch for one-way flight options from Madrid to Seattle. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
Search for one-way flight options from Madrid to Seattle. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:10 pm -
3 stops52h 45m
Deal found 8/31![Multiple Airlines logo]()
$509
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:25 pm -
2 stops48h 35m
Deal found 8/30![Multiple Airlines logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/169:40 pm -
3 stops44h 50m
Deal found 8/28![Multiple Airlines logo]()
$512
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:10 pm -
2 stops30h 00m
Deal found 8/31![Multiple Airlines logo]()
$519
This Kiwi.com deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:20 pm -
3 stops51h 40m
Deal found 8/28![Multiple Airlines logo]()
$520
This Kiwi.com deal was found by Cheapflights users on 8/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:40 pm -
3 stops54h 36m
Deal found 8/27![Multiple Airlines logo]()
$521
This Kiwi.com deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:40 pm -
2 stops52h 20m
Deal found 8/30![Multiple Airlines logo]()
$522
This Cheapflightsfares deal was found by Cheapflights users on 8/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:30 pm -
1 stop18h 12m
Deal found 8/28![JetBlue logo]()
$523
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:10 pm -
2 stops30h 00m
Deal found 9/1![Multiple Airlines logo]()
$525
This JetBlue deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:30 pm -
1 stop18h 12m
Deal found 8/31![JetBlue logo]()
$527
Find flight deals from Madrid to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Madrid (MAD) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $574 (Trip.com) |
One-way from | $509 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $955 |
Cheapflights Fare Finder
Customize your flight search to find flights from Madrid to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 1, 2026.
Use the filters below to find and compare flights from Madrid to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
MadridSeattle
MAD Madrid Barajas - SEA Seattle/Tacoma Intl
MADSEA
Madrid Barajas
Wed 11/4
1:15 pm-9:59 pm
1 stop17h 44m
Seattle/Tacoma Intl
Wed 11/11
6:45 pm-6:35 pm
1 stop14h 50m
$857
MadridSeattle
MAD Madrid Barajas - SEA Seattle/Tacoma Intl
MADSEA
Madrid Barajas
Fri 1/29
6:05 am-11:50 am
1 stop14h 45m
Seattle/Tacoma Intl
Thu 2/11
6:00 am-11:30 am
2 stops20h 30m
$861
MadridSeattle
MAD Madrid Barajas - SEA Seattle/Tacoma Intl
MADSEA
Madrid Barajas
Sun 2/21
6:05 am-8:50 pm
2 stops23h 45m
Seattle/Tacoma Intl
Sun 3/7
3:30 pm-7:10 pm
1 stop18h 40m
$867
MadridSeattle
MAD Madrid Barajas - SEA Seattle/Tacoma Intl
MADSEA
Madrid Barajas
Mon 2/1
6:05 am-4:53 pm
2 stops19h 48m
Seattle/Tacoma Intl
Fri 2/12
6:05 am-11:30 am
2 stops20h 25m
$872
MadridSeattle
MAD Madrid Barajas - SEA Seattle/Tacoma Intl
MADSEA
Madrid Barajas
Sun 1/10
6:00 am-10:04 pm
2 stops25h 04m
Seattle/Tacoma Intl
Mon 1/18
7:15 am-11:30 am
2 stops19h 15m
$873
MadridSeattle
MAD Madrid Barajas - SEA Seattle/Tacoma Intl
MADSEA
Madrid Barajas
Thu 9/24
7:00 am-11:42 pm
2 stops25h 42m
Seattle/Tacoma Intl
Mon 9/28
6:10 pm-9:55 pm
1 stop18h 45m
$881
MadridSeattle
MAD Madrid Barajas - SEA Seattle/Tacoma Intl
MADSEA
Madrid Barajas
Thu 1/14
6:05 am-9:56 pm
2 stops24h 51m
Seattle/Tacoma Intl
Mon 1/18
7:00 am-9:15 am
2 stops17h 15m
$885
MadridSeattle
MAD Madrid Barajas - SEA Seattle/Tacoma Intl
MADSEA
Madrid Barajas
Mon 2/1
6:05 am-11:21 pm
3 stops26h 16m
Seattle/Tacoma Intl
Fri 2/12
11:50 pm-8:00 am
2 stops23h 10m
$893
Cheapest one-way
MadridSeattle
MAD Madrid Barajas - SEA Seattle/Tacoma Intl
MADSEA
Madrid Barajas
Mon 10/19
1:30 pm-10:42 pm
1 stop18h 12m
$529
MadridSeattle
MAD Madrid Barajas - SEA Seattle/Tacoma Intl
MADSEA
Madrid Barajas
Tue 10/20
1:30 pm-10:42 pm
1 stop18h 12m
$529
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Madrid to Seattle
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 Madrid to Seattle in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Madrid-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Madrid-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Madrid-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Madrid-Seattle 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 Madrid-Seattle 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 Madrid to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Madrid with our price prediction graph.
MAD-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Madrid to Seattle
How far ahead should I book a flight from Madrid to Seattle?
To ensure you get the cheapest price possible for a flight from Madrid to Seattle, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Madrid to Seattle?
Currently, February is the cheapest month in which you can book a flight from Madrid to Seattle (average of $829). Flying from Madrid to Seattle in December is currently the most expensive (average of $1,113). 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 to fly round-trip from Madrid to Seattle?
Airfare is below average for this route at the moment.
Madrid to Seattle flights typically cost between $884 and $1,043 in September.The cheapest round-trip price found within the last 5 days was $574 on Multiple Airlines (Sep 29-Oct 6).
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated September 1, 2026.
See what other customers who have flown with Delta from Madrid to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Related info for your journey
Find useful and relevant information for your journey from Madrid to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Madrid and Seattle flights
Browse other Madrid and Seattle flight options. Last updated on September 1, 2026.
Other flights from Madrid
Browse through other flights departing from Madrid. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
Top airline flying from Madrid to Seattle
Discover the top airline that operate flights from Madrid to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$907 | Average$1,005 | FlexibilityNo cancel fee | On-timeN/A |