The cheapest month to fly to Portland from Australia is in May. Flight prices, which tend to average around $1,012, are often lower during this time because this is during the off-season. If you aren\u2019t able to travel to Portland during the month of May, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,068.
In general, most travellers find the cheapest time to book a flight to Portland is about 18 days prior to their departure date, when tickets on average are $1,301.
On average, the least expensive day to fly to Portland from Australia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,119. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Australia because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $1,536.
Flying to Portland from Australia at midday is the least expensive time of day to depart. momondo users have found prices as low as $1,198 when looking at flights departing at midday. Flights to Portland are more costly in the evening, with an average ticket price of $1,558. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.