United Flight 858 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 858 Route Deals From

The cheapest prices found with in the last 7 days for return flights were $1,417 and for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Dec 19 - Sun, Jan 4
PVG
Pudong Intl.
SFO
San Francisco Intl.
$1,417 Roundtrip, found 2 days ago
$1,417
Roundtrip
found 2 days ago
Select United flight, departing Fri, Dec 19 from Pudong Intl. to San Francisco Intl., returning Sun, Jan 4, priced at $1,417 found 2 days ago

Frequently asked questions

What route does flight number UA858 take?
UA858 is used on multiple routes, but the most common is between ICN and San Francisco Intl. Airport (SFO). If your flight is direct, you'll stroll through arrivals in approximately 10 hours and 45 minutes. Multi-stop flights can also operate under this number, as can flights on other routes.
What terminal does UA858 fly out of?
You'll most likely board from Terminal 1 if you're starting your journey at Incheon Intl. Airport (ICN). Flight number UA858 serves several routes, but the direct flight between ICN and San Francisco Airport is the most frequently traveled one.
What kind of plane is on flight number UA858?
It's possible you'll be on board the Boeing 777-300ER if you're traveling from Seoul–Incheon Intl. Airport to San Francisco Airport, the most popular route for flight number UA858.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA858 flight with Travelocity, please visit our Customer Service Portal.