Finnair Flight 1740 Deals & Information (2026/2027)

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Finnair Flight 1740 Route Deals From $243

The cheapest prices found with in the last 7 days for return flights were $464 and $243 for one-way flights to Vantaa for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 31 - Fri, Nov 6
LIS
Humberto Delgado
HEL
Vantaa
$464 Roundtrip, found 1 day ago
$464
Roundtrip
found 1 day ago
Select Finnair flight, departing Sat, Oct 31 from Humberto Delgado to Vantaa, returning Fri, Nov 6, priced at $464 found 1 day ago
Thu, Mar 19 - Tue, Mar 31
LIS
Humberto Delgado
HEL
Vantaa
$484 Roundtrip, found 5 days ago
$484
Roundtrip
found 5 days ago
Select Finnair flight, departing Thu, Mar 19 from Humberto Delgado to Vantaa, returning Tue, Mar 31, priced at $484 found 5 days ago