Cheap flights from Sydney to Portland from $707

The cheapest month to fly to Portland from Sydney is in November. Flight prices, which tend to average around $1,172, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,205.

You are more likely to see cheaper flights to Portland from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $1,496 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Sydney for as low as $1,352 on momondo.

You could potentially save up to 27% on your flight if you consider stops on a Sydney to Portland flight.

As of March 2026, prices for Sydney to Portland flights are approximately 33% cheaper when compared to flights at the same time last year.

American Airlines is the most popular carrier operating from Sydney Kingsford Smith to Portland

United Airlines, Air Canada and Qantas Airways are the top three most popular airlines that fly to Portland from Sydney according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Portland. Keep in mind that there are 7 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

Los Angeles (LAX) was the most common stop: 33% of momondo users choosing one-stop flights on this route connected there.

Flights via Los Angeles (LAX) offer the lowest average return price of $1,558.

Flights connecting via Honolulu (HNL) have the shortest average one-way travel time: 18h 05m.

Honolulu (HNL) has the shortest average stopover time for this route: 2h 10m.