Swiss International Air Lines Flight 4590 Deals & Information (2025/2026)

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Swiss International Air Lines Flight 4590 Route Deals From $110

The cheapest prices found with in the last 7 days for return flights were $157 and $110 for one-way flights to Humberto Delgado for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jan 10 - Tue, Jan 13
ZRH
Zürich
LIS
Humberto Delgado
$157 Roundtrip, found 1 day ago
$157
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Sat, Jan 10 from Zürich to Humberto Delgado, returning Tue, Jan 13, priced at $157 found 1 day ago
Tue, Jun 24 - Tue, Jul 1
ZRH
Zürich
LIS
Humberto Delgado
$175 Roundtrip, found 1 day ago
$175
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Tue, Jun 24 from Zürich to Humberto Delgado, returning Tue, Jul 1, priced at $175 found 1 day ago
Sat, Jan 10 - Tue, Jan 13
ZRH
Zürich
LIS
Humberto Delgado
$179 Roundtrip, found 1 day ago
$179
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Sat, Jan 10 from Zürich to Humberto Delgado, returning Tue, Jan 13, priced at $179 found 1 day ago