$431 Find Cheap Flights from Oregon to Australia

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Useful Info
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Good to know

Low seasonMay
High seasonDecember
Cheapest flight$431
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 32% increase in price.
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 travelers 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 round-trip 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 Saturday where round-trip tickets can be as cheap as $1,040. On the other hand, the most expensive day to fly is Thursday, where round-trip prices are $1,146 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 $1,060 on average. Morning departures are around 5% cheaper than evening flights, on average. The most expensive time of day to fly to Australia is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $1,135.

  • 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 $1,039 (return) on average. On the other hand, the most expensive months are December and January, when the average cost of round-trip tickets is $1,577 and $1,391 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 nonstop flight from Oregon to Australia takes 26h 43m, covering a distance of 7923 miles. 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 (47% of total searches to Australia). The next most popular destinations are Melbourne (32%) and Brisbane (16%). Searches for flights to Adelaide (4%), to Coolangatta (1%) and to Townsville (1%) are also popular.

Book cheap flights from Oregon to Australia

Recent round-trip flight deals

9/23Tue
1 stopUnited Airlines
24h 10mBOI-SYD
9/30Tue
1 stopUnited Airlines
22h 38mSYD-BOI
$874
6/13Fri
1 stopUnited Airlines
22h 20mBOI-SYD
7/12Sat
1 stopUnited Airlines
22h 29mSYD-BOI
$876
8/13Wed
2 stops
47h 50mPDX-SYD
8/20Wed
1 stop
23h 20mSYD-PDX
$924
5/29Thu
1 stop
28h 07mPDX-SYD
6/5Thu
2 stops
31h 58mSYD-PDX
$998
8/17Sun
1 stopVirgin Australia
24h 18mPDX-SYD
8/30Sat
1 stopVirgin Australia
25h 12mSYD-PDX
$1,032
5/27Tue
1 stopVirgin Australia
18h 14mPDX-SYD
6/3Tue
1 stopVirgin Australia
21h 26mSYD-PDX
$1,058
5/27Tue
1 stopHawaiian Airlines
33h 12mPDX-SYD
6/7Sat
1 stopHawaiian Airlines
17h 15mSYD-PDX
$1,125
9/2Tue
1 stopAir Canada
18h 40mPDX-SYD
9/23Tue
1 stopAir Canada
22h 26mSYD-PDX
$1,144
9/2Tue
1 stopAir Canada
22h 55mPDX-SYD
9/23Tue
2 stopsAir Canada
19h 21mSYD-PDX
$1,160
8/9Sat
1 stopHawaiian Airlines
19h 15mPDX-SYD
8/23Sat
1 stopHawaiian Airlines
35h 35mSYD-PDX
$1,175

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Recent one-way flight deals

7/25Fri
2 stopsUnited Airlines
37h 56mPDX-SYD
$431
7/25Fri
1 stopVirgin Australia
24h 18mPDX-SYD
$447
5/17Sat
3 stops
52h 25mPDX-BNE
$664
7/7Mon
1 stopAmerican Airlines
23h 05mPDX-SYD
$697
6/7Sat
2 stops
53h 25mPDX-MEL
$697
7/25Fri
3 stops
35h 40mPDX-SYD
$700
7/7Mon
2 stopsUnited Airlines
25h 05mPDX-SYD
$705
5/17Sat
1 stopQantas Airways
24h 16mPDX-BNE
$738
5/16Fri
2 stopsAir New Zealand
36h 00mPDX-BNE
$805
6/13Fri
2 stopsQantas Airways
36h 40mPDX-MEL
$868

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Last minute flights from Oregon to Australia

Last minute flight, train and bus deals

5/4Sun
multi-stopAlaska Airlines
33h 05mPDX-SYD
5/18Sun
multi-stopAlaska Airlines
25h 40mSYD-PDX
$1,175
5/4Sun
multi-stopAlaska Airlines
33h 05mPDX-SYD
5/22Thu
multi-stopAlaska Airlines
19h 04mSYD-PDX
$1,179
5/5Mon
multi-stop
24h 16mPDX-BNE
5/29Thu
multi-stop
40h 20mBNE-PDX
$1,225
5/5Mon
multi-stop
24h 16mPDX-BNE
6/4Wed
multi-stop
42h 10mBNE-PDX
$1,231
5/2Fri
multi-stopHawaiian Airlines
20h 45mPDX-SYD
5/4Sun
multi-stopHawaiian Airlines
24h 20mSYD-PDX
$1,540
5/5Mon
multi-stopQantas Airways
26h 21mPDX-SYD
5/21Wed
multi-stopQantas Airways
24h 14mSYD-PDX
$1,544
5/4Sun
multi-stopUnited Airlines
21h 44mPDX-BNE
6/4Wed
multi-stopUnited Airlines
21h 16mBNE-PDX
$1,548
5/4Sun
multi-stopUnited Airlines
24h 10mPDX-SYD
5/21Wed
multi-stopUnited Airlines
19h 19mSYD-PDX
$1,557
5/2Fri
multi-stopHawaiian Airlines
18h 40mPDX-SYD
5/4Sun
multi-stopHawaiian Airlines
25h 40mSYD-PDX
$1,681
5/5Mon
multi-stopQantas Airways
24h 16mPDX-BNE
6/2Mon
multi-stopQantas Airways
20h 54mBNE-PDX
$1,682

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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.

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