Seattle / Tacoma (SEA) to Madrid (MAD) flight deal in economy from $373
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
MADMadrid-Barajas Airport
Madrid, Spain
$456 USD
-18%$373 USD
Verified 13 days agoOctober 2026
Mon
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Fair Availability
39% of dates checked are available within 10% of the lowest price
Sunday, October 4th, 2026
Outbound Flights
14h 45m·1 stop
$455 USD
SEAOct 4 20:20
→LHROct 5 13:45
BA 48Boeing 777
2h 45m layover
LHROct 5 16:30
→MADOct 5 20:05
BA 464Airbus A321neo
16h 50m·1 stop
$455 USDSEAOct 4 20:20
→LHROct 5 13:45
BA 48Boeing 777
5h layover
LHROct 5 18:45
→MADOct 5 22:10
IB 722Airbus A350
14h 50m·1 stop
$463 USD
SEAOct 4 13:40
→ORDOct 4 20:15
AA 2966Airbus A321
2h layover
ORDOct 4 22:15
→MADOct 5 13:30
AA 126Boeing 787
17h 5m·1 stop
$463 USDSEAOct 4 06:15
→ORDOct 4 12:29
AA 1872Airbus A321
4h 26m layover
ORDOct 4 16:55
→MADOct 5 08:20
IB 342Airbus A350
16h 14m·1 stop
$463 USDSEAOct 4 07:51
→DFWOct 4 13:45
AA 1667Airbus A321neo
2h 55m layover
DFWOct 4 16:40
→MADOct 5 09:05
AA 36Boeing 777
15h 55m·1 stop
$568 USD
SEAOct 4 19:10
→DUBOct 5 12:15
EI 52Airbus A330
4h 15m layover
DUBOct 5 16:30
→MADOct 5 20:05
EI 594Airbus A320