Icelandair Flight 578 Deals & Information (2026/2027)

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Icelandair Flight 578 Route Deals From $377

The cheapest prices found with in the last 7 days for return flights were $489 and $377 for one-way flights to Humberto Delgado for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Oct 18 - Sun, Oct 25
KEF
Keflavik Intl.
LIS
Humberto Delgado
$489 Roundtrip, found 4 days ago
$489
Roundtrip
found 4 days ago
Select Icelandair flight, departing Sun, Oct 18 from Keflavik Intl. to Humberto Delgado, returning Sun, Oct 25, priced at $489 found 4 days ago