Finnair Flight 5448 Deals & Information (2025/2026)

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Finnair Flight 5448 Route Deals From $538

The cheapest prices found with in the last 7 days for return flights were $902 and $538 for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 28 - Thu, Aug 21
SEA
Seattle - Tacoma Intl.
LHR
Heathrow
$902 Roundtrip, found 3 days ago
$902
Roundtrip
found 3 days ago
Select Finnair flight, departing Mon, Jul 28 from Seattle - Tacoma Intl. to Heathrow, returning Thu, Aug 21, priced at $902 found 3 days ago