United Flight UA863 Deals & Information (2025/2026)

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United Flight 863 Route Deals From $669

The cheapest prices found with in the last 7 days for return flights were $1,195 and $669 for one-way flights to Kingsford Smith Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 27 - Mon, Dec 29
SFO
San Francisco Intl.
SYD
Kingsford Smith Intl.
$1,195 Roundtrip, found 4 hours ago
$1,195
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Oct 27 from San Francisco Intl. to Kingsford Smith Intl., returning Mon, Dec 29, priced at $1,195 found 4 hours ago

Frequently asked questions

What route does flight number UA863 take?
UA863 takes about 15 hours and 10 minutes to fly non-stop from San Francisco Intl. Airport (SFO) to SYD. We all know there's magic in the destination, but half the fun is in the journey!
What terminal does UA863 fly out of?
Passengers on flight number UA863 from San Francisco Airport to Mascot Airport normally board the plane from Terminal I.
What kind of plane is on flight number UA863?
The route for UA863 is most commonly SFO to Kingsford Smith Intl. Airport (SYD), and the Boeing 787-9 is the type of aircraft you're likely to be flying with.
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 UA863 flight with Travelocity, please visit our Customer Service Portal.