United Flight 870 Deals & Information (2026/2027)

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United Flight 870 Route Deals From

The cheapest prices found with in the last 7 days for return flights were $1,034 and for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 29 - Tue, Oct 20
SYD
Kingsford Smith Intl.
SFO
San Francisco Intl.
$1,034 Roundtrip, found 5 days ago
$1,034
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 29 from Kingsford Smith Intl. to San Francisco Intl., returning Tue, Oct 20, priced at $1,034 found 5 days ago
Tue, Sep 29 - Tue, Oct 20
SYD
Kingsford Smith Intl.
SFO
San Francisco Intl.
$1,038 Roundtrip, found 5 days ago
$1,038
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 29 from Kingsford Smith Intl. to San Francisco Intl., returning Tue, Oct 20, priced at $1,038 found 5 days ago
Tue, Sep 29 - Tue, Oct 20
SYD
Kingsford Smith Intl.
SFO
San Francisco Intl.
$1,044 Roundtrip, found 5 days ago
$1,044
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 29 from Kingsford Smith Intl. to San Francisco Intl., returning Tue, Oct 20, priced at $1,044 found 5 days 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.