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Cheap Flights from Portland to Sydney

Compare Portland to Sydney flight deals

Find the cheapest month or even day of the year to fly to Sydney

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Flight deals from Portland to Sydney

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Sydney Airport? If you want to travel next month, return fares start from Rs319,627. Find the lowest prices on one-way and return tickets right here.
Sydney.Rs138,149 per passenger.Departing Thu, 13 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Thu, 13 Aug, arriving in Sydney.Price includes taxes and charges.From Rs138,149, select.
Sydney.Rs142,179 per passenger.Departing Sat, 19 Sep.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Sat, 19 Sep, arriving in Sydney.Price includes taxes and charges.From Rs142,179, select.
Sydney.Rs142,491 per passenger.Departing Thu, 15 Oct.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Thu, 15 Oct, arriving in Sydney.Price includes taxes and charges.From Rs142,491, select.
Sydney.Rs158,534 per passenger.Departing Thu, 14 Jan.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Thu, 14 Jan, arriving in Sydney.Price includes taxes and charges.From Rs158,534, select.
Sydney.Rs161,313 per passenger.Departing Fri, 9 Apr.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Fri, 9 Apr, arriving in Sydney.Price includes taxes and charges.From Rs161,313, select.
Sydney.Rs169,255 per passenger.Departing Sat, 7 Nov.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Portland on Sat, 7 Nov, arriving in Sydney.Price includes taxes and charges.From Rs169,255, select.
Sydney.Rs170,865 per passenger.Departing Fri, 4 Jun.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Fri, 4 Jun, arriving in Sydney.Price includes taxes and charges.From Rs170,865, select.
Sydney.Rs170,871 per passenger.Departing Sat, 27 Feb.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Sat, 27 Feb, arriving in Sydney.Price includes taxes and charges.From Rs170,871, select.
Sydney.Rs199,939 per passenger.Departing Sun, 27 Dec.One-way flight with Qantas.Outbound indirect flight with Qantas, departs from Portland on Sun, 27 Dec, arriving in Sydney.Price includes taxes and charges.From Rs199,939, select.
Sydney.Rs222,874 per passenger.Departing Wed, 22 Jul.One-way flight with United.Outbound indirect flight with United, departs from Portland on Wed, 22 Jul, arriving in Sydney.Price includes taxes and charges.From Rs222,874, select.

Find the cheapest month to fly from Portland to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Sydney flights are currently cheapest in August.
Jul
from Rs222,874
Aug
from Rs138,149
Sep
from Rs142,179
Oct
from Rs142,491
Nov
from Rs169,255
Dec
from Rs199,939
Jan
from Rs158,534
Feb
from Rs170,871
Mar
Find prices
Apr
from Rs161,313
May
Find prices
Jun
from Rs170,865

Portland to Sydney: Alternative routes

Compare routes from Portland to Sydney below. You may find an airport to fly into that's cheaper, faster, or easier than Sydney.

Sydney

9km from central Sydney
ClosestCheapest
from Rs138,149
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Wollongong

86km from central Sydney
Search flights

Portland to Sydney: Flight information

The things to know before you go.
Cheapest flight foundRs138,149
Cheapest month to flyAugust

Finding cheap flights from Portland to Sydney: Frequently asked questions

The best price we found for a return flight from Portland to Sydney is Rs275,980. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Portland to Sydney. But we found flights with one or more stops from Rs275,980.
As of July 2026, there are no flights flying from Portland to Sydney.
The cheapest month to fly from Portland to Sydney is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Sydney Airport on Thursday, 27 August 2026.
No airlines currently offer direct flights between Portland Airport and Sydney Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sydney but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines offers the cheapest flight tickets to Sydney.

Travelling from Portland Airport (PDX) to Sydney Airport (SYD): what you need to know

  • Sydney's timezone is UTC+11, which makes Sydney 19 hours ahead of Portland.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to catch your PDX to SYD flight.

  • Travelling during a peak month such as July? School holidays and other popular seasons can lead to longer lines and delays at airport checkpoints. Be extra cautious and arrive up to four hours ahead of international flights and two hours before domestic departures.

  • Consider adding a stopover when booking your ticket from Portland Airport to Sydney Airport. Just uncheck 'Direct flights only' to break up your journey, or perhaps see a new city along the way. Check out these options between PDX and SYD:

    • Los Angeles International Airport

    • San Francisco International Airport

    • Honolulu International Airport

How to find the cheapest flights from Portland Airport (PDX) to Sydney Airport (SYD)

  • Right now, Rs138,149 is the cheapest price we've seen for a one-way Portland Airport to Sydney Airport flight. The best price for a return plane ticket is Rs275,980. Remember that fares could change due to availability when booking.

  • It's usually smart to book in advance if you want to get cheap tickets from PDX to SYD. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.

  • Finding cheap flights from Portland Airport to Sydney Airport is more likely if you can be flexible with your travel plans. Use the 'Whole month' search function to see the lowest fares across the month and snap up a great deal.

  • Landing cheap flights from PDX to SYD is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.

  • Secure the ideal flight for you with the help of the filters. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Portland Airport to Sydney Airport, use the 'Sort by' tool. You can also filter by arrival and departure times, airline, and number of stops.

Handy information about Portland Airport (PDX)

  • PDX is located at 7000 NE Airport Way.

  • 83% of flights leaving Portland Airport touch down at their destination according to schedule. Given its solid on-time performance, you're unlikely to face delays when flying out of PDX.

  • To get to Portland Airport from central Portland, it takes about 20 minutes by car. Of course, this depends on traffic conditions. It's approximately 19 kilometres from the airport to the city centre.

  • The journey when using public transport will take about 40 minutes.

  • Booked an early flight from Portland Airport to Sydney Airport? Avoid the last-minute rush to the airport (and enjoy a little extra shut-eye) by choosing one of these stays close to PDX:

Arriving at Sydney Airport (SYD)

  • If you have a late Portland Airport to Sydney Airport flight, nothing beats the convenience of staying near the terminal. Collect your bags from the carousel and then be tucked up in bed soon after at one of these options near SYD:

  • Grab a Sydney Airport rental car and discover Sydney and beyond with your own set of wheels. Simba car rental, Bargain Car Rentals and Yes Drive are leading providers you can book with here.

  • To lock in the lowest price, reserve your ride from Sydney Airport around two weeks before travelling.

When to fly to Sydney Airport (SYD)

  • The quietest month for a flight from Portland Airport to Sydney Airport is March, while July is the busiest. Pick the best time to visit Sydney based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Book your flight from Portland Airport to Sydney Airport for January if you want to visit Sydney during its warmest month. Expect temperatures of between 17ºC and 32ºC.

  • July has average temperatures of between 5ºC and 19ºC. Look for cheap tickets from PDX to SYD sometime then if you like cooler conditions.

Explore more of Australia

  • Canberra is just one of the many places in Australia waiting to be explored once you've seen Sydney. Around 241 kilometres away to the south-west, its best attractions include National Gallery of Australia, National Portrait Gallery and Museum of Australian Democracy.

  • If you're eager to discover another great destination in Australia, consider Newcastle, about 121 kilometres north-east of Sydney. Merewether Beach, Nobbys Beach and Newcastle Beach are among the biggest draws.

Plan the rest of your trip from Portland to Sydney

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.