United Flight 9721 Deals & Information (2026/2027)

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United Flight 9721 Route Deals From $1,823

The cheapest prices found with in the last 7 days for return flights were $878 and $1,823 for one-way flights to Zürich for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jan 16 - Sat, Jan 23
BOS
Logan Intl.
ZRH
Zürich
$878 Roundtrip, found 3 days ago
$878
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jan 16 from Logan Intl. to Zürich, returning Sat, Jan 23, priced at $878 found 3 days ago