United Flight UA878 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 878 Route Deals From $745

The cheapest prices found with in the last 7 days for return flights were $753 and $745 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 25 - Sun, Jul 6
HKG
Hong Kong Intl.
SFO
San Francisco Intl.
$753 Roundtrip, found 2 days ago
$753
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jun 25 from Hong Kong Intl. to San Francisco Intl., returning Sun, Jul 6, priced at $753 found 2 days ago