Cheap flights from Portland to Australia from $395
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Australia departing on 8/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Portland to Australia
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Australia?
The month of May is, on average, the cheapest month to fly to Australia from Portland, with most prices found around $1,039. If you aren’t able to travel during the month of May, then book flights to Australia from Portland during February instead. Flights to Australia in February, while not as cheap as those in May, still average around $1,046.
What is the cheapest day to depart on your flight to Australia?
The cheapest day to depart from Portland to Australia is on a Saturday. Travelers who choose to depart for Australia on a Saturday will often find tickets for as low as $1,040. On the other hand, Thursday is the most expensive day to depart from Portland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,146.
What is the cheapest time of day to depart on your flight to Australia?
Flying to Australia from Portland in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,060 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,135 on average. Flights to Australia from Portland at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Australia?
You are more likely to see cheaper flights to Australia from Portland when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,160 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Portland for as low as $921 on momondo.
What is the cheapest airline that flies from Portland to Australia?
Air Canada, American Airlines, and United Airlines are the most popular carriers operating from Portland to Australia
What airlines fly to Australia?
United Airlines, Air Canada and Delta are the top three most popular airlines that fly to Australia from Portland according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 9 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.
Cheap Portland to Australia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Australia
When did momondo last update prices for flights from Portland Airport to Australia?
Prices for flights from Portland Airport to Australia refresh daily.
How many operators does momondo search for flights from Portland Airport to Australia?
The number of operators available for flights from Portland Airport to Australia is 9 as of June 2025.
How old do you have to be to fly from Portland Airport to Australia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Australia.
What documentation or ID do you need to fly to Australia?
The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Portland to Australia
Compare and see reviews for airlines that fly from Portland to Australia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $456 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $680 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $848 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $872 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $1,043 | Free Cancellation | Rating 7.5 854 reviews | |||
| PriceFrom $1,055 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,068 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $1,286 | Free Cancellation | Rating 7.4 3,584 reviews | |||
| PriceFrom $1,374 | Free Cancellation | Rating 8.1 1,302 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Portland to Australia?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Australia from Portland.
Can I find flights from Portland to Australia with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Australia from Portland with this policy.
How can momondo help me find flights from Portland to Australia?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Australia from Portland.
I’m not ready to book a flight from Portland to Australia right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Portland to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.