$329+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
MAD — SEA
Aug 2 — Aug 91
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
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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
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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 July 3, 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 July 3, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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.
Tue 9/227:00 am
MAD
- SEA
1 stop17h 40m
Multiple Airlines
Sat 10/246:35 pm
SEA
- MAD
1 stop19h 20m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$545
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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 10/207:00 am
MAD
- SEA
1 stop17h 40m
Multiple Airlines
Tue 10/206:05 pm
SEA
- MAD
1 stop18h 50m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$643
This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:00 pm
MAD
- SEA
2 stops30h 00m
Multiple Airlines
Mon 9/76:10 pm
SEA
- MAD
2 stops22h 05m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$664
This Expedia deal was found by Cheapflights users on 6/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am
MAD
- SEA
1 stop18h 00m
Multiple Airlines
Mon 9/76:10 pm
SEA
- MAD
1 stop18h 45m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$670
This Flightnetwork deal was found by Cheapflights users on 6/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
MAD
- SEA
1 stop18h 10m
Multiple Airlines
Mon 9/76:10 pm
SEA
- MAD
1 stop18h 45m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$679
This Mytrip deal was found by Cheapflights users on 6/29. 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 9/510:55 am
MAD
- SEA
2 stops19h 05m
Multiple Airlines
Mon 9/147:00 pm
SEA
- MAD
2 stops17h 40m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$684
This Condor deal was found by Cheapflights users on 7/2. 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 8/277:00 am
MAD
- SEA
1 stop18h 00m
Multiple Airlines
Sat 9/126:15 pm
SEA
- MAD
1 stop18h 40m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$707
This Cheapflightsfares deal was found by Cheapflights users on 6/29. 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 8/257:00 am
MAD
- SEA
1 stop17h 40m
Multiple Airlines
Mon 8/316:10 pm
SEA
- MAD
1 stop18h 45m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$708
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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.
Thu 8/207:00 am
MAD
- SEA
1 stop18h 00m
Multiple Airlines
Thu 9/36:05 pm
SEA
- MAD
1 stop18h 50m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$719
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 July 3, 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 July 3, 2026.
This Condor deal was found by Cheapflights users on 6/28. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 am
MAD
- SEA
2 stops20h 51m
Multiple Airlines
Thu 9/36:05 pm
SEA
- MAD
1 stop18h 50m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$786
This Delta deal was found by Cheapflights users on 7/2. 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 8/306:00 am
MAD
- SEA
1 stop19h 27m
Delta
Fri 9/259:30 am
SEA
- MAD
2 stops17h 40m
Delta
Deal found 7/2![Delta logo]()
$917
This Turkish Airlines deal was found by Cheapflights users on 7/1. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:00 pm
MAD
- SEA
1 stop38h 20m
Turkish Airlines
Mon 7/2712:35 pm
SEA
- MAD
1 stop40h 00m
Turkish Airlines
Deal found 7/1![Turkish Airlines logo]()
$1,049
This JetBlue deal was found by Cheapflights users on 7/3. 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.
Mon 7/202:05 pm
MAD
- SEA
1 stop17h 49m
JetBlue
Tue 8/411:45 am
SEA
- MAD
1 stop14h 45m
JetBlue
Deal found 7/3![JetBlue logo]()
$1,069
This Condor deal was found by Cheapflights users on 6/28. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:00 am
MAD
- SEA
2 stops20h 51m
Multiple Airlines
Sun 9/205:40 pm
SEA
- MAD
1 stop19h 15m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$809
This Condor deal was found by Cheapflights users on 6/29. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 am
MAD
- SEA
1 stop18h 00m
Multiple Airlines
Fri 9/1112:27 pm
SEA
- MAD
2 stops24h 28m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$900
This Delta deal was found by Cheapflights users on 7/2. 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 8/66:00 am
MAD
- SEA
1 stop14h 37m
Delta
Sat 9/56:45 pm
SEA
- MAD
1 stop15h 30m
Delta
Deal found 7/2![Delta logo]()
$1,082
This Delta deal was found by Cheapflights users on 6/28. 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.
Wed 7/156:00 am
MAD
- SEA
1 stop14h 33m
Delta
Mon 7/279:30 am
SEA
- MAD
2 stops17h 40m
Delta
Deal found 6/28![Delta logo]()
$1,087
This Condor deal was found by Cheapflights users on 7/3. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
MAD
- SEA
2 stops20h 51m
Multiple Airlines
Sun 8/306:49 am
SEA
- MAD
2 stops30h 06m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$1,005
This Delta deal was found by Cheapflights users on 6/30. 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.
Thu 7/166:00 am
MAD
- SEA
2 stops21h 42m
Delta
Wed 7/299:05 am
SEA
- MAD
2 stops18h 05m
Delta
Deal found 6/30![Delta logo]()
$1,095
Last-minute flights from Madrid to SeattleDiscover last-minute flight deals from Madrid to Seattle. Data last updated July 3, 2026 and is based on user searches.
Discover last-minute flight deals from Madrid to Seattle. Data last updated July 3, 2026 and is based on user searches.
This lol.travel deal was found by Cheapflights users on 6/30. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/162:05 pm
MAD
- SEA
1 stop17h 49m
JetBlue
Wed 7/2911:45 am
SEA
- MAD
1 stop14h 45m
JetBlue
Deal found 6/30![JetBlue logo]()
$733
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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.
Thu 8/207:00 am
MAD
- SEA
1 stop18h 00m
Multiple Airlines
Thu 9/36:05 pm
SEA
- MAD
1 stop18h 50m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$719
This Flightnetwork deal was found by Cheapflights users on 6/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
MAD
- SEA
1 stop18h 10m
Multiple Airlines
Mon 9/76:10 pm
SEA
- MAD
1 stop18h 45m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$679
This Cheapflightsfares deal was found by Cheapflights users on 6/29. 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 8/257:00 am
MAD
- SEA
1 stop17h 40m
Multiple Airlines
Mon 8/316:10 pm
SEA
- MAD
1 stop18h 45m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$708
This Rumbo deal was found by Cheapflights users on 6/30. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am
MAD
- SEA
1 stop17h 40m
Multiple Airlines
Mon 9/76:10 pm
SEA
- MAD
1 stop18h 45m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$726
This Orbitz deal was found by Cheapflights users on 6/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:00 am
MAD
- SEA
2 stops21h 39m
Multiple Airlines
Mon 9/76:10 pm
SEA
- MAD
1 stop18h 45m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$730
This Expedia deal was found by Cheapflights users on 6/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am
MAD
- SEA
1 stop18h 00m
Multiple Airlines
Mon 9/76:10 pm
SEA
- MAD
1 stop18h 45m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$670
This Condor deal was found by Cheapflights users on 7/2. 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 8/277:00 am
MAD
- SEA
1 stop18h 00m
Multiple Airlines
Sat 9/126:15 pm
SEA
- MAD
1 stop18h 40m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$707
This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:00 pm
MAD
- SEA
2 stops30h 00m
Multiple Airlines
Mon 9/76:10 pm
SEA
- MAD
2 stops22h 05m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$664
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 July 3, 2026.
Search for one-way flight options from Madrid to Seattle. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 9/1710:55 am
MAD
- SEA
3 stops40h 50m
WestJet
Deal found 7/2![WestJet logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:50 am
MAD
- SEA
3 stops24h 10m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Wed 8/266:20 am
MAD
- SEA
3 stops47h 40m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$343
This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:10 pm
MAD
- SEA
3 stops33h 50m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:25 pm
MAD
- SEA
3 stops56h 20m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Wed 9/237:35 pm
MAD
- SEA
3 stops53h 25m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$431
This Cheapflightsfares deal was found by Cheapflights users on 6/30. 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.
Fri 9/42:05 pm
MAD
- SEA
1 stop17h 44m
JetBlue
Deal found 6/30![JetBlue logo]()
$449
This JetBlue deal was found by Cheapflights users on 7/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:05 pm
MAD
- SEA
1 stop29h 25m
JetBlue
Deal found 7/1![JetBlue logo]()
$453
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Tue 10/203:25 pm
MAD
- SEA
3 stops34h 45m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$481
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 July 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $545 (Cheapflightsfares) |
One-way from | $329 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $1,111 |
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 July 3, 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 8/20
7:00 am-6:51 pm
2 stops20h 51m
Seattle/Tacoma Intl
Thu 9/3
6:05 pm-9:55 pm
1 stop18h 50m
$786
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Mon 9/7
7:00 am-6:51 pm
2 stops20h 51m
Seattle/Tacoma Intl
Sun 9/20
5:40 pm-9:55 pm
1 stop19h 15m
$809
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Thu 8/20
7:00 am-4:00 pm
1 stop18h 00m
Seattle/Tacoma Intl
Fri 9/11
12:27 pm-9:55 pm
2 stops24h 28m
$900
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Sun 8/30
6:00 am-4:27 pm
1 stop19h 27m
Seattle/Tacoma Intl
Fri 9/25
9:30 am-12:10 pm
2 stops17h 40m
$917
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Mon 8/24
7:00 am-6:51 pm
2 stops20h 51m
Seattle/Tacoma Intl
Sun 8/30
6:49 am-9:55 pm
2 stops30h 06m
$1,005
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Wed 7/15
12:00 pm-5:20 pm
1 stop38h 20m
Seattle/Tacoma Intl
Mon 7/27
12:35 pm-1:35 pm
1 stop40h 00m
$1,049
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Mon 7/20
2:05 pm-10:54 pm
1 stop17h 49m
Seattle/Tacoma Intl
Tue 8/4
11:45 am-11:30 am
1 stop14h 45m
$1,069
Quickest round-trip
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Thu 8/6
6:00 am-11:37 am
1 stop14h 37m
Seattle/Tacoma Intl
Sat 9/5
6:45 pm-7:15 pm
1 stop15h 30m
$1,082
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Wed 7/15
6:00 am-11:33 am
1 stop14h 33m
Seattle/Tacoma Intl
Mon 7/27
9:30 am-12:10 pm
2 stops17h 40m
$1,087
MadridSeattle
MAD - SEA
MADSEA
Madrid Barajas
Thu 7/16
6:00 am-6:42 pm
2 stops21h 42m
Seattle/Tacoma Intl
Wed 7/29
9:05 am-12:10 pm
2 stops18h 05m
$1,095
Showing 1-10 of 20 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 July.
| 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 87 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 $785). Flying from Madrid to Seattle in December is currently the most expensive (average of $1,116). 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 July 3, 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
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
8.0
ExcellentRakshith,May 2026
TPE - SEA
Food
7.2
Crew
8.5
Comfort
7.8
Boarding
8.1
Entertainment
7.8
Overall
7.8
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
Tacoma
Lacey
Leavenworth
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Snoqualmie
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Tukwila
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Lakewood
Issaquah
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$854 | Average$1,002 | FlexibilityNo cancel fee | On-timeN/A |