Cheap flights from Sydney to Portland from $736
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Portland departing on 23/10. 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 Sydney to Portland
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 typical price of a round-trip flight between Sydney and Portland?
What is the cheapest month to fly to Portland?
The cheapest month to fly to Portland from Sydney is in October. Flight prices, which tend to average around $1,585, 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 October, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,588.
What is the cheapest day to depart on your flight to Portland?
On average, the least expensive day to fly to Portland from Sydney is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,441. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Sydney because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $1,860.
What is the cheapest time of day to depart on your flight to Portland?
Flying to Portland from Sydney at midday is the least expensive time of day to depart. momondo users have found prices as low as $1,341 when looking at flights departing at midday. Flights to Portland are more costly in the evening, with an average ticket price of $2,642. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Portland?
You are more likely to see cheaper flights to Portland from Sydney when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $1,810 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Sydney for as low as $1,534 on momondo.
Can stopping save me money on Sydney to Portland flights?
You could potentially save up to 42% on your flight if you consider stops on a Sydney to Portland flight.
How have Sydney to Portland flight prices changed over time?
As of June 2025, prices for Sydney to Portland flights are approximately 32% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Sydney Kingsford Smith to Portland?
Air Canada, Delta, and United Airlines are the most popular carriers operating from Sydney Kingsford Smith to Portland
Which airlines fly to Portland?
Air Canada, United Airlines and Hawaiian Airlines are the top three most popular airlines that fly to Portland from Sydney according to our data. Air Canada is the first choice among our users, with 47% 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.
When to book flights from Sydney to Portland
Cheap Sydney to Portland (SYD to PDX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Sydney to Portland
How far is Sydney Kingsford Smith to Portland by plane?
The distance between Sydney Kingsford Smith and Portland is about 12333.8 km. By plane, this route typically takes 17h 10m.
When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Portland Airport?
Prices for flights from Sydney Kingsford Smith Airport to Portland Airport refresh daily.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Portland Airport?
The number of operators available for flights from Sydney Kingsford Smith Airport to Portland Airport is 7 as of June 2025.
How old do you have to be to fly from Sydney Kingsford Smith Airport to Portland Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The necessary travel and health documents for your Portland Airport 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 licence 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.
What is the most popular airline from Sydney to Portland?
momondo data reveals that the most frequently booked airline on the route from Sydney to Portland is Air Canada, representing 37% of all bookings. The subsequent popular airlines are United Airlines at 21%, Hawaiian Airlines at 11%, and Qantas Airways at 10%.
Best airlines flying from Sydney to Portland
Compare and see reviews for airlines that fly from Sydney to Portland with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $985 | Free cancellation | Rating 7.4 8,784 reviews | |||
| PriceFrom $1,295 | Free cancellation | Rating 7.1 9,522 reviews | |||
| PriceFrom $1,301 | Free cancellation | Rating 7.8 2,493 reviews | |||
| PriceFrom $1,380 | Free cancellation | Rating 8.0 483 reviews | |||
| PriceFrom $1,383 | Free cancellation | Rating 7.5 854 reviews | |||
| PriceFrom $1,397 | Free cancellation | Rating 7.5 407 reviews | |||
| PriceFrom $1,556 | Free cancellation | Rating 8.0 7,946 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Sydney to Portland?
It is quick and easy to find Sydney to Portland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portland that suits you.
Can I find flights from Sydney to Portland with flexible booking policies on momondo?
momondo does allow users to show only those flights to Portland from Sydney which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Sydney to Portland?
Once you have performed a search for Sydney to Portland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Sydney to Portland right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Sydney and alert you when they change.