$260+ Cheap flights from Seattle (SEA) to Madrid, Spain (MAD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MAD
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Madrid 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 Seattle to Madrid
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Best
Last-minute
One-way
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 September 7, 2026.
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 September 7, 2026.
This deal was found by Cheapflights users on 9/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:45 pm -
1 stop16h 15m
Tue 11/2410:30 am -
1 stop15h 20m
Deal found 9/2![British Airways logo]()
$747
This Mytrip deal was found by Cheapflights users on 9/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/253:35 pm -
2 stops21h 15m
Tue 11/102:30 pm -
2 stops35h 30m
Deal found 9/3![Multiple Airlines logo]()
$748
This FlightHub deal was found by Cheapflights users on 9/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:15 pm -
1 stop20h 30m
Thu 11/57:00 am -
2 stops22h 05m
Deal found 9/5![Multiple Airlines logo]()
$749
This KAYAK deal was found by Cheapflights users on 9/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:50 pm -
1 stop18h 00m
Fri 11/137:25 am -
1 stop14h 35m
Deal found 9/2![Lufthansa logo]()
$750
This Delta deal was found by Cheapflights users on 9/2. 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 11/18:25 am -
2 stops22h 40m
Mon 11/1610:50 am -
1 stop33h 57m
Deal found 9/2![Delta logo]()
$751
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 12/122:00 pm -
1 stop34h 15m
Thu 12/246:05 am -
1 stop14h 55m
Deal found 9/4![United Airlines logo]()
$752
This KAYAK deal was found by Cheapflights users on 9/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:09 am -
2 stops30h 26m
Thu 11/126:05 am -
1 stop14h 55m
Deal found 9/2![Lufthansa logo]()
$753
This Delta deal was found by Cheapflights users on 9/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/139:40 am -
2 stops16h 50m
Tue 12/226:00 am -
1 stop16h 50m
Deal found 9/4![Delta logo]()
$754
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:00 am -
2 stops17h 15m
Tue 11/2411:15 am -
2 stops20h 52m
Deal found 9/6![United Airlines logo]()
$755
This Orbitz deal was found by Cheapflights users on 9/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:50 pm -
1 stop14h 20m
Mon 11/166:35 pm -
2 stops32h 47m
Deal found 9/3![Multiple Airlines logo]()
$756
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 12/122:00 pm -
1 stop34h 15m
Fri 12/2511:00 am -
1 stop19h 02m
Deal found 9/4![United Airlines logo]()
$757
This Gotogate deal was found by Cheapflights users on 9/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/252:50 pm -
1 stop17h 30m
Tue 11/108:35 am -
2 stops21h 21m
Deal found 9/3![Lufthansa logo]()
$760
Best flights from Seattle to MadridDiscover 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 September 7, 2026.
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 September 7, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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.
Sat 1/309:55 pm -
1 stop24h 25m
Mon 3/110:50 am -
1 stop33h 45m
Deal found 9/3![Delta logo]()
$747
This United Airlines deal was found by Cheapflights users on 9/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:09 am -
1 stop14h 36m
Sun 12/206:05 am -
1 stop14h 55m
Deal found 9/5![United Airlines logo]()
$791
This British Airways deal was found by Cheapflights users on 9/5. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/156:45 pm -
1 stop13h 20m
Tue 2/210:30 am -
1 stop15h 20m
Deal found 9/5![British Airways logo]()
$802
This Delta deal was found by Cheapflights users on 9/3. 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.
Wed 2/37:20 am -
2 stops19h 10m
Wed 3/36:05 am -
1 stop14h 30m
Deal found 9/3![Delta logo]()
$751
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/46:50 am -
1 stop17h 25m
Wed 3/36:05 am -
1 stop14h 55m
Deal found 9/3![United Airlines logo]()
$796
This British Airways deal was found by Cheapflights users on 9/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:43 am -
1 stop13h 42m
Mon 11/239:00 pm -
1 stop23h 25m
Deal found 9/6![British Airways logo]()
$804
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/93:25 pm -
1 stop18h 45m
Tue 12/296:00 am -
2 stops21h 50m
Deal found 9/7![Delta logo]()
$839
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:09 am -
1 stop14h 36m
Mon 11/301:20 pm -
2 stops41h 28m
Deal found 9/6![United Airlines logo]()
$902
This Delta deal was found by Cheapflights users on 9/5. 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 12/102:35 pm -
1 stop16h 30m
Sat 12/261:05 pm -
1 stop31h 45m
Deal found 9/5![Delta logo]()
$937
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Thu 9/178:10 am -
1 stop14h 55m
Thu 10/296:05 am -
1 stop14h 55m
Deal found 9/4![United Airlines logo]()
$1,003
Last-minute flights from Seattle to MadridDiscover last-minute flight deals from Seattle to Madrid. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Madrid. Data last updated September 7, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:42 pm -
1 stop26h 48m
Thu 10/11:30 pm -
1 stop18h 07m
Deal found 9/2![JetBlue logo]()
$776
This Justfly.com deal was found by Cheapflights users on 9/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:42 pm -
1 stop26h 48m
Wed 10/211:30 pm -
1 stop18h 12m
Deal found 9/2![JetBlue logo]()
$761
This Booking.com deal was found by Cheapflights users on 9/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:55 pm -
2 stops23h 25m
Tue 10/66:55 am -
1 stop15h 50m
Deal found 9/5![Multiple Airlines logo]()
$774
This Cheapflightsfares deal was found by Cheapflights users on 9/2. 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.
Wed 9/306:50 pm -
2 stops19h 50m
Wed 10/75:55 am -
2 stops17h 27m
Deal found 9/2![Lufthansa logo]()
$762
This Delta deal was found by Cheapflights users on 9/3. 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.
Wed 10/711:25 am -
2 stops19h 10m
Wed 10/146:00 am -
2 stops21h 35m
Deal found 9/3![Delta logo]()
$756
This eDestinos deal was found by Cheapflights users on 9/2. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:10 pm -
1 stop18h 45m
Thu 10/157:00 am -
2 stops23h 25m
Deal found 9/2![Multiple Airlines logo]()
$775
This Mytrip deal was found by Cheapflights users on 9/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/253:35 pm -
2 stops21h 15m
Tue 11/102:30 pm -
2 stops35h 30m
Deal found 9/3![Multiple Airlines logo]()
$748
This FlightHub deal was found by Cheapflights users on 9/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:15 pm -
1 stop20h 30m
Thu 11/57:00 am -
2 stops22h 05m
Deal found 9/5![Multiple Airlines logo]()
$749
This Gotogate deal was found by Cheapflights users on 9/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/252:50 pm -
1 stop17h 30m
Tue 11/108:35 am -
2 stops21h 21m
Deal found 9/3![Lufthansa logo]()
$760
This Air Canada deal was found by Cheapflights users on 9/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:05 pm -
2 stops52h 55m
Fri 11/136:05 am -
2 stops47h 54m
Deal found 9/2![Air Canada logo]()
$747
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:56 pm -
2 stops26h 19m
Fri 11/1311:00 am -
1 stop18h 56m
Deal found 9/2![United Airlines logo]()
$755
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:56 pm -
2 stops26h 19m
Tue 11/101:20 pm -
1 stop31h 40m
Deal found 9/2![United Airlines logo]()
$765
One-way flights from Seattle to MadridSearch for one-way flight options from Seattle to Madrid. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Seattle to Madrid. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Sun 10/43:55 pm -
3 stops48h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/203:55 pm -
3 stops42h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Fri 10/23:55 pm -
3 stops34h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:55 pm -
2 stops19h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Tue 10/63:55 pm -
2 stops32h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Sun 10/113:55 pm -
3 stops56h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Fri 10/93:55 pm -
3 stops23h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Sat 10/33:55 pm -
2 stops32h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$287
Find flight deals from Seattle to Madrid
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Madrid (MAD). 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 7, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $747 |
One-way from | $260 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $903 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Madrid 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 7, 2026.
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
Cheapest round-trip
SeattleMadrid
SEA Seattle/Tacoma Intl - MAD Madrid Barajas
SEAMAD
Seattle/Tacoma Intl
Tue 9/29
3:55 pm-9:40 am
1 stop32h 45m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$367
SeattleMadrid
SEA Seattle/Tacoma Intl - MAD Madrid Barajas
SEAMAD
Seattle/Tacoma Intl
Mon 3/1
3:51 pm-7:45 am
3 stops30h 54m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$381
SeattleMadrid
SEA Seattle/Tacoma Intl - MAD Madrid Barajas
SEAMAD
Seattle/Tacoma Intl
Mon 2/15
10:40 pm-8:00 am
2 stops24h 20m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$385
Quickest round-trip
SeattleMadrid
SEA Seattle/Tacoma Intl - MAD Madrid Barajas
SEAMAD
Seattle/Tacoma Intl
Tue 10/6
9:40 pm-10:10 pm
1 stop15h 30m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$442
SeattleMadrid
SEA Seattle/Tacoma Intl - MAD Madrid Barajas
SEAMAD
Seattle/Tacoma Intl
Mon 10/26
7:40 pm-10:35 pm
1 stop18h 55m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$442
SeattleMadrid
SEA Seattle/Tacoma Intl - MAD Madrid Barajas
SEAMAD
Seattle/Tacoma Intl
Wed 10/21
5:50 am-9:35 am
2 stops18h 45m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$467
SeattleMadrid
SEA Seattle/Tacoma Intl - MAD Madrid Barajas
SEAMAD
Seattle/Tacoma Intl
Thu 10/8
1:30 pm-5:30 pm
1 stop19h 00m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$507
SeattleMadrid
SEA Seattle/Tacoma Intl - MAD Madrid Barajas
SEAMAD
Seattle/Tacoma Intl
Fri 9/18
9:40 pm-10:35 pm
1 stop15h 55m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$595
SeattleMadrid
SEA Seattle/Tacoma Intl - MAD Madrid Barajas
SEAMAD
Seattle/Tacoma Intl
Mon 10/26
8:30 am-2:05 pm
3 stops21h 35m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$661
SeattleMadrid
SEA Seattle/Tacoma Intl - MAD Madrid Barajas
SEAMAD
Seattle/Tacoma Intl
Wed 9/16
11:08 pm-6:20 am
1 stop22h 12m
Madrid Barajas
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$675
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Seattle to Madrid
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 Seattle to Madrid in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Seattle-Madrid flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Seattle-Madrid flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Seattle-Madrid flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Madrid flights, Cheapflights users trust Ovago the most. Ovago 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 Seattle-Madrid 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 Seattle to Madrid
Have a flexible travel schedule? Discover the best time to fly to Madrid from Seattle with our price prediction graph.
SEA-MAD
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 48 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, February is the cheapest month in which you can book a flight from Seattle to Madrid (average of $591). Flying from Seattle to Madrid in June is currently the most expensive (average of $1,161). 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 Seattle to Madrid?
Airfare is typical for this route at the moment.
Seattle to Madrid flights typically cost between $671 and $1,103 in November.The cheapest round-trip price found within the last 5 days was $747 on British Airways (Nov 2-Nov 24).
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 September 7, 2026.
Read reviews from past customers who have flown Delta,Air France, andAmerican Airlines from Seattle to Madrid. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
Traveling to a place near Madrid?
Book flights to Madrid if you plan to visit one of these locationsGetafe
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Other flights to Madrid
Explore flights to Madrid departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Seattle and Madrid flights
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Top 10 airlines flying from Seattle to Madrid
Discover the top 10 airlines that operate flights from Seattle to Madrid. 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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$430 | Average$830 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$476 | Average$676 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$479 | Average$772 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$484 | Average$850 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$486 | Average$791 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$487 | Average$1,017 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$489 | Average$882 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$511 | Average$834 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$538 | Average$944 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$593 | Average$922 | FlexibilityNo cancel fee | On-time75% |