Alaska Airlines Flights from United States to Spain
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1 Passenger
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Deals on flights from United States to Spain.*
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Seattle (SEA)to
Madrid (MAD)Depart: Oct 2, 2026
From
$519
Seen: 14 hours ago
One-way
Main
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.
One-way low-fare flights United States to Spain.*
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There are no fares that match your filter criteria. Please adjust your filters.
There are no fares that match your filter criteria. Please adjust your filters.*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.