$673 Find Cheap Flights from Oregon to Australia

1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to Australia

Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Useful Info
Useful Info

Good to know

Low season

May

High season

December

Cheapest flight

$673
Best time to beat the crowds (0% less expensive on average)
Most popular time to fly (24% more expensive on average)
Flight from Portland to Sydney

FAQs for booking flights from Oregon to Australia

  • How does KAYAK find such low prices on flights from Oregon to Australia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oregon to Australia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Oregon to Australia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Oregon to Australia is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Oregon to Australia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Oregon to Australia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Oregon to Australia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Oregon to Australia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Australia?

    Based on KAYAK data, the cheapest day to fly to Australia is Wednesday when return tickets can be as cheap as $1,263. On the other hand, the most expensive day to fly is Sunday, when return prices are $2,052 on average.

  • What is the cheapest time of day to fly to Australia?

    The cheapest time of day to fly to Australia is generally in the morning, when round-trip flights cost $908 on average. Morning departures are around 23% cheaper than evening flights, on average. The most expensive time of day to fly to Australia is generally in the evening, which is peak travel time and where the average cost of a ticket is $1,178.

  • What is the cheapest month to fly from Oregon to Australia?

    The cheapest month for flights from Oregon to Australia is February, when tickets cost $1,622 (return) on average. On the other hand, the most expensive months are December and January, when the average cost of round-trip tickets is $2,462 and $2,172 respectively.

  • How far in advance should I book a flight from Oregon to Australia?

    To get a below-average price on the flight from Oregon to Australia, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

  • How long is the flight to Australia?

    An average direct flight from Oregon to Australia takes 26h 21m, covering a distance of 20455 km. The shortest route is Redmond (RDM) to Sydney (SYD) with an average flight time of 18h 25m.

  • What are the most popular destinations in Australia?

    Based on KAYAK flight searches, the most popular destination is Sydney (41% of total searches to Australia). The next most popular destinations are Melbourne (35%) and Brisbane (15%). Searches for flights to Perth (7%), to Coolangatta (1%), and to Townsville (1%) are also popular.

Book cheap flights from Oregon to Australia

Recent return flight deals

13/8Wed
2 stops
47h 50mPDX-SYD
20/8Wed
1 stop
23h 20mSYD-PDX
$1,443
29/5Thu
1 stopUnited Airlines
24h 20mPDX-SYD
5/6Thu
1 stopUnited Airlines
25h 15mSYD-PDX
$1,508
17/8Sun
1 stopVirgin Australia
24h 18mPDX-SYD
30/8Sat
1 stopVirgin Australia
25h 12mSYD-PDX
$1,611
27/5Tue
1 stopVirgin Australia
18h 14mPDX-SYD
3/6Tue
1 stopVirgin Australia
21h 26mSYD-PDX
$1,652
27/5Tue
1 stopHawaiian Airlines
33h 12mPDX-SYD
7/6Sat
1 stopHawaiian Airlines
17h 15mSYD-PDX
$1,757
2/9Tue
1 stopAir Canada
18h 40mPDX-SYD
23/9Tue
1 stopAir Canada
22h 26mSYD-PDX
$1,786
8/8Fri
2 stopsAir New Zealand
24h 05mPDX-SYD
25/8Mon
2 stopsAir New Zealand
26h 47mSYD-PDX
$1,799
2/9Tue
1 stopAir Canada
22h 55mPDX-SYD
23/9Tue
2 stopsAir Canada
19h 21mSYD-PDX
$1,811
2/9Tue
2 stopsAir New Zealand
24h 20mPDX-SYD
23/9Tue
2 stopsAir New Zealand
23h 39mSYD-PDX
$1,824
9/8Sat
1 stopHawaiian Airlines
19h 15mPDX-SYD
23/8Sat
1 stopHawaiian Airlines
35h 35mSYD-PDX
$1,835

Search by stops

Search by airline

Search by price

Recent one-way flight deals

25/7Fri
2 stopsUnited Airlines
37h 56mPDX-SYD
$673
25/7Fri
1 stopVirgin Australia
24h 18mPDX-SYD
$698
5/6Thu
3 stops
33h 45mPDX-AVV
$951
5/6Thu
2 stops
43h 15mPDX-AVV
$971
17/5Sat
3 stops
52h 25mPDX-BNE
$1,037
1/7Tue
3 stops
59h 45mPDX-PER
$1,076
7/7Mon
1 stopAmerican Airlines
23h 05mPDX-SYD
$1,088
17/5Sat
1 stopQantas Airways
24h 16mPDX-BNE
$1,152
16/5Fri
2 stopsAir New Zealand
36h 00mPDX-BNE
$1,257
13/6Fri
2 stopsQantas Airways
36h 40mPDX-MEL
$1,355

Search by stops

Search by airline

Search by price

Last minute flights from Oregon to Australia

Last minute flight, train and bus deals

4/5Sun
multi-stopAlaska Airlines
33h 05mPDX-SYD
18/5Sun
multi-stopAlaska Airlines
25h 40mSYD-PDX
$1,835
4/5Sun
multi-stopAlaska Airlines
33h 05mPDX-SYD
22/5Thu
multi-stopAlaska Airlines
19h 04mSYD-PDX
$1,841
3/5Sat
multi-stop
32h 30mPDX-SYD
5/5Mon
multi-stop
38h 05mSYD-PDX
$2,048
3/5Sat
multi-stop
32h 30mPDX-SYD
5/5Mon
multi-stop
31h 00mSYD-PDX
$2,077
2/5Fri
multi-stopHawaiian Airlines
20h 45mPDX-SYD
4/5Sun
multi-stopHawaiian Airlines
24h 20mSYD-PDX
$2,404
5/5Mon
multi-stopQantas Airways
26h 21mPDX-SYD
21/5Wed
multi-stopQantas Airways
24h 14mSYD-PDX
$2,411
4/5Sun
multi-stopUnited Airlines
24h 10mPDX-SYD
21/5Wed
multi-stopUnited Airlines
19h 19mSYD-PDX
$2,431
4/5Sun
multi-stopUnited Airlines
25h 00mPDX-SYD
20/5Tue
multi-stopUnited Airlines
24h 58mSYD-PDX
$2,439
2/5Fri
multi-stopHawaiian Airlines
18h 40mPDX-SYD
4/5Sun
multi-stopHawaiian Airlines
25h 40mSYD-PDX
$2,625
2/5Fri
multi-stopQantas Airways
21h 45mPDX-BNE
4/5Sun
multi-stopQantas Airways
20h 37mBNE-PDX
$24,107

Search by stops

Search by airline

Search by price

Everything you need to know for your flight to Australia

Cabin class types available on flights to Oregon

Cabin classes available on flights to Oregon. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.