Finnair Flight 5451 Deals & Information (2025/2026)

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Finnair Flight 5451 Route Deals From $476

The cheapest prices found with in the last 7 days for return flights were $667 and $476 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 16 - Tue, Sep 23
LHR
Heathrow
SEA
Seattle - Tacoma Intl.
$667 Roundtrip, found 2 days ago
$667
Roundtrip
found 2 days ago
Select Finnair flight, departing Tue, Sep 16 from Heathrow to Seattle - Tacoma Intl., returning Tue, Sep 23, priced at $667 found 2 days ago