United Flight 9855 Deals & Information (2025/2026)

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United Flight 9855 Route Deals From $3,058

The cheapest prices found with in the last 7 days for return flights were $558 and $3,058 for one-way flights to Vienna Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Apr 1 - Fri, May 8
BOS
Logan Intl.
VIE
Vienna Intl.
$558 Roundtrip, found 6 days ago
$558
Roundtrip
found 6 days ago
Select United flight, departing Wed, Apr 1 from Logan Intl. to Vienna Intl., returning Fri, May 8, priced at $558 found 6 days ago