United Flight QF870 Deals & Information (2025/2026)

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United Flight 870 Route Deals From $740

The cheapest prices found with in the last 7 days for return flights were $1,177 and $740 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 9 - Wed, Oct 1
SYD
Kingsford Smith Intl.
SFO
San Francisco Intl.
$1,177 Roundtrip, found 3 hours ago
$1,177
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Sep 9 from Kingsford Smith Intl. to San Francisco Intl., returning Wed, Oct 1, priced at $1,177 found 3 hours ago

Frequently asked questions

What route does flight number UA870 take?
UA870 operates from Kingsford Smith Intl. Airport (SYD) to San Francisco Airport and flies direct. This trip typically takes 13 hours and 30 minutes.
What terminal does UA870 fly out of?
Flight number UA870 runs between SYD and San Francisco Airport, and travelers on this flight usually jet off from Terminal 1.
What kind of plane is on flight number UA870?
The Boeing 787-9 is the type of plane predominantly used for flight number UA870. This flight almost always departs from Mascot Airport and touches down at San Francisco Airport.
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 UA870 flight with Travelocity, please visit our Customer Service Portal.