Finnair Flight 5448 Deals & Information (2025/2026)

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Finnair Flight 5448 Route Deals From $519

The cheapest prices found with in the last 7 days for return flights were $701 and $519 for one-way flights to Heathrow for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Apr 22 - Wed, May 13
SEA
Seattle - Tacoma Intl.
LHR
Heathrow
$701 Roundtrip, found 17 hours ago
$701
Roundtrip
found 17 hours ago
Select Finnair flight, departing Wed, Apr 22 from Seattle - Tacoma Intl. to Heathrow, returning Wed, May 13, priced at $701 found 17 hours ago