Cheap flights from Oakland to Sydney from $2,858 OAK → SYD
Metropolitan Oakland International Airport (OAK) → Sydney (Kingsford Smith) Airport (SYD)
The cheapest return found recently is $2,858 with Alaska Airlines, 20 Dec – 5 Jan 2027, found yesterday.
- Cheapest return found recently
- $2,858, 20 Dec to 5 Jan 2027
- Usual return price
- $1,738 to $2,858
- Cheapest month to fly
- January 2027, return fares from $1,552 found in the last 7 days
Return
The cheapest return fare on each of 5 departure dates is usually $1,738 to $2,858.
Cheapest return found recently
$2,858
20 Dec – 5 Jan 2027 · Alaska Airlines
Metropolitan Oakland International Airport (OAK) → Sydney (Kingsford Smith) Airport (SYD)
Leaves 8:10 a.m. · Return leaves 11:30 a.m. · 67 h 50 min of travel, both ways together
out 1 stop, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$2,858 20 Dec – 5 Jan 2027found yesterdaySee prices for these dates
$1,552 31 Jan 2027 – 5 Feb 2027found 3 days agoSee prices for these dates
What have prices looked like?
Over 41 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $1,200 to $1,678.
At $2,858, the cheapest return found recently is above that range.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 5 departure dates from 15 Nov to 31 Jan 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 16-night return fares leaving within 3 days of 20 Dec to compare.
Every date we hold
5 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 15 Nov – 18 Dec | $1,738 | Alaska Airlines | Metropolitan Oakland International Airport (OAK) → Sydney (Kingsford Smith) Airport (SYD) | out 1 stop, back 2 stops | found 4 days ago | See prices for these dates |
| 16 Dec – 30 Dec | $2,993 | Alaska Airlines | Metropolitan Oakland International Airport (OAK) → Sydney (Kingsford Smith) Airport (SYD) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 20 Dec – 5 Jan 2027 | $2,858 | Alaska Airlines | Metropolitan Oakland International Airport (OAK) → Sydney (Kingsford Smith) Airport (SYD) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 12 Jan 2027 – 26 Jan 2027 | $2,210 | Alaska Airlines | Metropolitan Oakland International Airport (OAK) → Sydney (Kingsford Smith) Airport (SYD) | out 2 stops, back 2 stops | found 4 days ago | See prices for these dates |
| 31 Jan 2027 – 5 Feb 2027 | $1,552 | Alaska Airlines | Metropolitan Oakland International Airport (OAK) → Sydney (Kingsford Smith) Airport (SYD) | out 2 stops, back 1 stop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $1,552.
Airlines on the cheapest dates: Alaska Airlines.
Premium cabin fares from Oakland to Sydney
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 20 Dec – 5 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Oakland to Sydney?
Return
Fares 14 to 29 days before departure were typically 32% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (41 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $1,761 | $1,738 | +47% | 8 |
| 14–29 days | $1,200 | $1,200 | Cheapest seen | 10 |
| 30–59 days | $1,448 | $1,200 | +21% | 18 |
| 60–89 days | $1,765 | $1,552 | +47% | 25 |
| 90–179 days | $1,366 | $1,366 | +14% | 7 |
| 180+ days | $1,414 | $1,324 | +18% | 15 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
San Francisco → Sydney
13 km from Oakland
$968
$1,890 less than flying from Oakland
31 Jan 2027 – 5 Feb 2027 · SFO → SYD · out 1 stop, back 1 stop
found 3 days ago
San Jose → Sydney
61 km from Oakland
$1,172
$1,686 less than flying from Oakland
31 Jan 2027 – 5 Feb 2027 · SJC → SYD · out 1 stop, back 1 stop
found 3 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 20 Dec – 5 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Oakland to Sydney?
The cheapest return found recently is $2,858 with Alaska Airlines, 20 Dec to 5 Jan 2027, found yesterday. The cheapest return we hold, of any age, is $1,552 with Alaska Airlines, 31 Jan 2027 to 5 Feb 2027, found 3 days ago. The cheapest return fare on each of 5 departure dates is usually $1,738 to $2,858.
What is the cheapest month to fly from Oakland to Sydney?
January 2027 is the cheapest month for a return, from $1,552, 31 Jan 2027 to 5 Feb 2027, found 3 days ago.
How far ahead should I book a flight from Oakland to Sydney?
In 41 days of prices between 24 Sept and 12 Nov, return fares 14 to 29 days before departure were typically 32% lower than 0 to 6 days before departure.
Which airlines have the cheapest flights from Oakland to Sydney?
Between 15 Nov and 31 Jan 2027, Alaska Airlines has the cheapest return on all 5 departure dates we hold.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work