$420+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
Jun 7 — Jun 141
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 May 8, 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 May 8, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/7. 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 9/227:05 am
MAD
- SEA
1 stop17h 35m
Multiple Airlines
Sat 10/246:35 pm
SEA
- MAD
1 stop19h 20m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$682
This Rumbo deal was found by Cheapflights users on 5/5. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:05 am
MAD
- SEA
1 stop17h 55m
Multiple Airlines
Mon 6/16:10 pm
SEA
- MAD
1 stop18h 45m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$722
This Booking.com deal was found by Cheapflights users on 5/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:05 am
MAD
- SEA
1 stop17h 35m
Multiple Airlines
Sun 6/285:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$754
This Booking.com deal was found by Cheapflights users on 5/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:05 am
MAD
- SEA
1 stop17h 55m
Multiple Airlines
Sat 5/306:00 pm
SEA
- MAD
1 stop34h 40m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$783
This Expedia deal was found by Cheapflights users on 5/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:05 am
MAD
- SEA
1 stop17h 35m
Multiple Airlines
Wed 6/245:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$793
This Rumbo deal was found by Cheapflights users on 5/5. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:05 am
MAD
- SEA
1 stop18h 05m
Multiple Airlines
Thu 5/146:05 pm
SEA
- MAD
1 stop18h 50m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$798
This Mytrip deal was found by Cheapflights users on 5/6. 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.
Tue 6/2312:20 pm
MAD
- SEA
1 stop13h 50m
Multiple Airlines
Tue 6/307:10 pm
SEA
- MAD
1 stop14h 50m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$803
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 May 8, 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 May 8, 2026.
This JetBlue deal was found by Cheapflights users on 5/3. 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.
Thu 5/211:30 pm
MAD
- SEA
1 stop29h 47m
JetBlue
Wed 6/311:35 am
SEA
- MAD
1 stop14h 55m
JetBlue
Deal found 5/3![JetBlue logo]()
$816
This Delta deal was found by Cheapflights users on 5/3. 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 5/186:00 am
MAD
- SEA
1 stop19h 30m
Delta
Mon 6/110:35 am
SEA
- MAD
2 stops16h 35m
Delta
Deal found 5/3![Delta logo]()
$906
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Sun 6/710:50 am
MAD
- SEA
1 stop21h 54m
United Airlines
Sat 6/135:15 pm
SEA
- MAD
2 stops28h 35m
United Airlines
Deal found 5/4![United Airlines logo]()
$954
This Turkish Airlines deal was found by Cheapflights users on 5/6. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/262:40 pm
MAD
- SEA
1 stop29h 00m
Turkish Airlines
Sat 7/117:10 pm
SEA
- MAD
1 stop18h 25m
Turkish Airlines
Deal found 5/6![Turkish Airlines logo]()
$1,023
This Condor deal was found by Cheapflights users on 5/5. 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.
Wed 6/247:05 am
MAD
- SEA
2 stops22h 32m
Multiple Airlines
Fri 7/36:00 pm
SEA
- MAD
1 stop18h 55m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,031
This Scandinavian Airlines deal was found by Cheapflights users on 5/6. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:30 pm
MAD
- SEA
1 stop28h 15m
Scandinavian Airlines
Sat 9/53:55 pm
SEA
- MAD
1 stop35h 05m
Scandinavian Airlines
Deal found 5/6![Scandinavian Airlines logo]()
$1,041
This Delta deal was found by Cheapflights users on 5/3. 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.
Thu 5/216:00 am
MAD
- SEA
2 stops19h 37m
Delta
Wed 6/37:30 am
SEA
- MAD
2 stops19h 40m
Delta
Deal found 5/3![Delta logo]()
$912
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Sun 6/75:55 am
MAD
- SEA
2 stops23h 58m
United Airlines
Sun 6/1411:00 pm
SEA
- MAD
1 stop25h 00m
United Airlines
Deal found 5/4![United Airlines logo]()
$959
This JetBlue deal was found by Cheapflights users on 5/7. 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.
Tue 7/142:05 pm
MAD
- SEA
1 stop17h 44m
JetBlue
Mon 8/311:45 am
SEA
- MAD
1 stop14h 45m
JetBlue
Deal found 5/7![JetBlue logo]()
$1,004
This Delta deal was found by Cheapflights users on 5/5. 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.
Thu 5/1410:25 am
MAD
- SEA
1 stop15h 05m
Delta
Sat 5/3010:35 am
SEA
- MAD
2 stops16h 35m
Delta
Deal found 5/5![Delta logo]()
$987
Last-minute flights from Madrid to SeattleDiscover last-minute flight deals from Madrid to Seattle. Data last updated May 8, 2026 and is based on user searches.
Discover last-minute flight deals from Madrid to Seattle. Data last updated May 8, 2026 and is based on user searches.
This Rumbo deal was found by Cheapflights users on 5/5. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:05 am
MAD
- SEA
1 stop18h 05m
Multiple Airlines
Thu 5/146:05 pm
SEA
- MAD
1 stop18h 50m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$798
This Booking.com deal was found by Cheapflights users on 5/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:05 am
MAD
- SEA
1 stop17h 55m
Multiple Airlines
Sat 5/306:00 pm
SEA
- MAD
1 stop34h 40m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$783
This Rumbo deal was found by Cheapflights users on 5/5. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:05 am
MAD
- SEA
1 stop17h 55m
Multiple Airlines
Mon 6/16:10 pm
SEA
- MAD
1 stop18h 45m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$722
This JetBlue deal was found by Cheapflights users on 5/3. 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.
Thu 5/211:30 pm
MAD
- SEA
1 stop29h 47m
JetBlue
Wed 6/311:35 am
SEA
- MAD
1 stop14h 55m
JetBlue
Deal found 5/3![JetBlue logo]()
$816
This Gotogate deal was found by Cheapflights users on 5/5. 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.
Thu 5/217:40 am
MAD
- SEA
1 stop18h 35m
Turkish Airlines
Wed 6/37:10 pm
SEA
- MAD
1 stop18h 25m
Turkish Airlines
Deal found 5/5![Turkish Airlines logo]()
$823
This Mytrip deal was found by Cheapflights users on 5/5. 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 6/45:50 am
MAD
- SEA
1 stop20h 20m
Multiple Airlines
Thu 6/117:10 pm
SEA
- MAD
1 stop20h 05m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$820
This Expedia deal was found by Cheapflights users on 5/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:05 am
MAD
- SEA
1 stop17h 35m
Multiple Airlines
Wed 6/245:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$793
This Mytrip deal was found by Cheapflights users on 5/6. 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.
Tue 6/2312:20 pm
MAD
- SEA
1 stop13h 50m
Multiple Airlines
Tue 6/307:10 pm
SEA
- MAD
1 stop14h 50m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$803
This Booking.com deal was found by Cheapflights users on 5/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:05 am
MAD
- SEA
1 stop17h 35m
Multiple Airlines
Sun 6/285:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$754
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 May 8, 2026.
Search for one-way flight options from Madrid to Seattle. Find affordable one-way fares based on user searches. Data last updated May 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/209:00 am
MAD
- SEA
3 stops42h 45m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 6/276:50 pm
MAD
- SEA
3 stops56h 55m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/268:20 pm
MAD
- SEA
3 stops55h 25m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$468
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Thu 5/215:50 am
MAD
- SEA
3 stops36h 50m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 6/87:25 pm
MAD
- SEA
3 stops47h 15m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$474
This WestJet deal was found by Cheapflights users on 5/3. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2110:55 am
MAD
- SEA
2 stops40h 50m
WestJet
Deal found 5/3![WestJet logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Fri 6/195:50 am
MAD
- SEA
3 stops45h 55m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$482
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 6/175:30 pm
MAD
- SEA
3 stops58h 15m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$488
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/28:25 pm
MAD
- SEA
3 stops56h 16m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$494
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Thu 6/185:50 am
MAD
- SEA
3 stops36h 50m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/35:55 pm
MAD
- SEA
3 stops57h 50m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$496
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 May 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $682 (Cheapflightsfares) |
One-way from | $420 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $832 |
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 2,558,603 searches. Data last updated May 8, 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
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Thu 5/21
1:30 pm-10:17 am
1 stop29h 47m
Seattle/Tacoma Intl
Wed 6/3
11:35 am-11:30 am
1 stop14h 55m
$816
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Mon 5/18
6:00 am-4:30 pm
1 stop19h 30m
Seattle/Tacoma Intl
Mon 6/1
10:35 am-12:10 pm
2 stops16h 35m
$906
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Thu 5/21
6:00 am-4:37 pm
2 stops19h 37m
Seattle/Tacoma Intl
Wed 6/3
7:30 am-12:10 pm
2 stops19h 40m
$912
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Sun 6/7
10:50 am-11:44 pm
1 stop21h 54m
Seattle/Tacoma Intl
Sat 6/13
5:15 pm-6:50 am
2 stops28h 35m
$954
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Sun 6/7
5:55 am-8:53 pm
2 stops23h 58m
Seattle/Tacoma Intl
Sun 6/14
11:00 pm-9:00 am
1 stop25h 00m
$959
Quickest round-trip
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Thu 5/14
10:25 am-4:30 pm
1 stop15h 05m
Seattle/Tacoma Intl
Sat 5/30
10:35 am-12:10 pm
2 stops16h 35m
$987
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Tue 7/14
2:05 pm-10:49 pm
1 stop17h 44m
Seattle/Tacoma Intl
Mon 8/3
11:45 am-11:30 am
1 stop14h 45m
$1,004
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Fri 6/26
2:40 pm-10:40 am
1 stop29h 00m
Seattle/Tacoma Intl
Sat 7/11
7:10 pm-10:35 pm
1 stop18h 25m
$1,023
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Wed 6/24
7:05 am-8:37 pm
2 stops22h 32m
Seattle/Tacoma Intl
Fri 7/3
6:00 pm-9:55 pm
1 stop18h 55m
$1,031
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Fri 6/19
6:30 pm-1:45 pm
1 stop28h 15m
Seattle/Tacoma Intl
Sat 9/5
3:55 pm-12:00 pm
1 stop35h 05m
$1,041
Showing 1-10 of 22 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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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 40 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, October is the cheapest month in which you can book a flight from Madrid to Seattle (average of $782). Flying from Madrid to Seattle in December is currently the most expensive (average of $1,049). 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?
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 May 8, 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
Comfort
7.9
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Entertainment
7.8
Comfort
7.9
Crew
8.5
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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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
Tacoma
Ocean Shores
Olympia
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Kirkland
Issaquah
Shoreline
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Madrid and Seattle flights
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Top airline flying from Madrid to Seattle
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$790 | Average$951 | FlexibilityNo cancel fee | On-timeN/A |