SEA to LIS from $384 in economy – flightdeals.net

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Air Canada

Lufthansa

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Austrian Airlines

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United Airlines

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One Way•Economy

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

Portela Airport

Lisbon, Portugal

$459 USD

-16%$384 USD

Verified 14 days ago

July 2026

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29 30 1 2 3 4 5$647 6$647 7$605 8$645 9$706 10$707 11$707 12$646 13$646 14$646 15$616 16$696 17$707 18$707 19$647 20$647 21$634 22$642 23$707 24$707 25$707 26$646 27$646 28$646 29$646 30$706 31$710 1$664 2$466

Good Availability

41% of dates checked are available within 10% of the lowest price

Saturday, July 4th, 2026

No flight details available for this date.