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Cheap flights from Portland to Sydney from $696

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 Sydney departing on 8/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Portland to Sydney

Cheap return flights

These are some of the best return flight deals from Portland to Sydney that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Portland to Sydney.

Cheap last-minute flights

Planning a quick getaway from Portland to Sydney? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Sydney, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Portland to Sydney

Find recent return train or bus tickets from Portland to Sydney.

All return flight deals from Portland to Sydney

The cheapest plane tickets from Portland to Sydney found on KAYAK recently.
18:07 - 14:40PDX-SYD
27h 33m1 stop
16:20 - 22:23SYD-PDX
23h 03m2 stops
$1,205
Find Deal
Wed, 9 Apr - Mon, 28 Apr
18:07 - 14:40PDX-SYD
27h 33m1 stop
16:20 - 06:20SYD-PDX
31h 00m1 stop
$1,214
Find Deal
Wed, 9 Apr - Mon, 28 Apr
19:05 - 16:40PDX-SYD
26h 35m2 stops
11:20 - 09:34SYD-PDX
17h 14m1 stop
$1,430Air Canada
Find Deal
Mon, 3 Feb - Sun, 9 Feb
15:25 - 14:40PDX-SYD
28h 15m2 stops
09:00 - 14:44SYD-PDX
24h 44m2 stops
$1,456Air Canada
Find Deal
Sun, 9 Feb - Wed, 5 Mar
06:00 - 09:00PDX-SYD
32h 00m1 stop
11:15 - 15:13SYD-PDX
22h 58m1 stop
$1,501American Airlines
Find Deal
Sat, 8 Feb - Fri, 21 Feb
07:45 - 19:45PDX-SYD
18h 00m1 stop
21:40 - 05:05SYD-PDX
25h 25m1 stop
$1,514Alaska Airlines
Find Deal
Mon, 10 Mar - Thu, 20 Mar
06:46 - 07:05PDX-SYD
31h 19m1 stop
09:10 - 11:33SYD-PDX
19h 23m1 stop
$1,528American Airlines
Find Deal
Sat, 19 Apr - Fri, 2 May
11:52 - 07:00PDX-SYD
24h 08m1 stop
12:10 - 15:08SYD-PDX
21h 58m1 stop
$1,541United Airlines
Find Deal
Fri, 31 Jan - Fri, 14 Feb
10:21 - 06:55PDX-SYD
27h 34m1 stop
10:20 - 22:53SYD-PDX
29h 33m2 stops
$1,547United Airlines
Find Deal
Sat, 19 Apr - Fri, 2 May
09:38 - 19:45PDX-SYD
39h 07m1 stop
21:40 - 21:10SYD-PDX
18h 30m1 stop
$1,709Alaska Airlines
Find Deal
Tue, 4 Mar - Fri, 7 Mar
06:00 - 09:00PDX-SYD
32h 00m1 stop
$696American Airlines
Find Deal
Sat, 8 Feb
09:55 - 09:15PDX-SYD
28h 20m1 stop
$698United Airlines
Find Deal
Sat, 1 Mar
18:23 - 06:55PDX-SYD
43h 32m2 stops
$730United Airlines
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Wed, 30 Apr
09:50 - 12:30PDX-SYD
31h 40m2 stops
Sun, 16 Feb
09:50 - 13:00PDX-SYD
32h 10m2 stops
Thu, 13 Feb
21:16 - 09:00PDX-SYD
40h 44m1 stop
$854Alaska Airlines
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Fri, 14 Feb
21:30 - 07:05PDX-SYD
40h 35m1 stop
$869Alaska Airlines
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Fri, 23 May
06:55 - 11:50PDX-SYD
57h 55m3 stops
$4,538Singapore Airlines
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Sat, 1 Mar
00:59 - 06:35PDX-SYD
34h 36m2 stops
$4,616WestJet
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Fri, 28 Feb
00:40 - 06:30PDX-SYD
36h 50m2 stops
$4,715WestJet
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Tue, 29 Apr
19:30 - 09:15PDX-SYD
18h 45m1 stop
16:15 - 22:44SYD-PDX
25h 29m2 stops
$1,547United Airlines
Find Deal
Fri, 24 Jan - Fri, 31 Jan
09:00 - 09:15PDX-SYD
29h 15m1 stop
12:10 - 19:02SYD-PDX
25h 52m1 stop
$1,838United Airlines
Find Deal
Fri, 24 Jan - Sun, 9 Feb
19:30 - 09:15PDX-SYD
18h 45m1 stop
16:15 - 22:44SYD-PDX
25h 29m2 stops
$1,845United Airlines
Find Deal
Fri, 24 Jan - Sun, 9 Feb
11:52 - 09:05PDX-SYD
50h 13m2 stops
12:10 - 19:02SYD-PDX
25h 52m1 stop
$1,941United Airlines
Find Deal
Wed, 22 Jan - Wed, 29 Jan
07:00 - 19:45PDX-SYD
17h 45m1 stop
21:40 - 21:41SYD-PDX
19h 01m1 stop
$2,070Alaska Airlines
Find Deal
Fri, 24 Jan - Fri, 31 Jan
06:00 - 09:00PDX-SYD
32h 00m1 stop
11:15 - 20:11SYD-PDX
27h 56m1 stop
$2,267American Airlines
Find Deal
Wed, 22 Jan - Wed, 29 Jan
07:00 - 19:45PDX-SYD
17h 45m1 stop
21:40 - 23:59SYD-PDX
21h 19m2 stops
$2,307Hawaiian Airlines
Find Deal
Fri, 24 Jan - Sun, 26 Jan
07:00 - 19:45PDX-SYD
17h 45m1 stop
21:40 - 21:41SYD-PDX
19h 01m1 stop
$2,430Alaska Airlines
Find Deal
Fri, 24 Jan - Sun, 26 Jan
17:35 - 09:00PDX-SYD
44h 25m2 stops
17:50 - 15:05SYD-PDX
40h 15m3 stops
$2,458
Find Deal
Wed, 22 Jan - Wed, 29 Jan
17:55 - 17:40PDX-SYD
28h 45m3 stops
12:25 - 19:02SYD-PDX
25h 37m2 stops
$3,267
Find Deal
Fri, 24 Jan - Fri, 31 Jan

American Airlines flights from Portland to Sydney

Our best American Airlines deals on Portland to Sydney flight tickets
American Airlines
8 Feb
PDX06:00Portland
32h 00m
1 stop
SYD09:00Sydney Kingsford Smith
21 Feb
SYD11:15Sydney Kingsford Smith
22h 58m
1 stop
PDX15:13Portland
American Airlines
30 Jan
PDX15:37Portland
22h 23m
1 stop
SYD09:00Sydney Kingsford Smith
7 Feb
SYD11:15Sydney Kingsford Smith
22h 50m
1 stop
PDX15:05Portland
American Airlines
19 Apr
PDX06:46Portland
31h 19m
1 stop
SYD07:05Sydney Kingsford Smith
2 May
SYD09:10Sydney Kingsford Smith
19h 23m
1 stop
PDX11:33Portland

Air Canada flights from Portland to Sydney

Our best Air Canada deals on Portland to Sydney flight tickets
Air Canada
3 Feb
PDX19:05Portland
26h 35m
2 stops
SYD16:40Sydney Kingsford Smith
9 Feb
SYD11:20Sydney Kingsford Smith
17h 14m
1 stop
PDX09:34Portland
Air Canada
9 Feb
PDX15:25Portland
28h 15m
2 stops
SYD14:40Sydney Kingsford Smith
5 Mar
SYD09:00Sydney Kingsford Smith
24h 44m
2 stops
PDX14:44Portland
Air Canada
10 Mar
PDX15:25Portland
27h 15m
2 stops
SYD12:40Sydney Kingsford Smith
20 Mar
SYD19:15Sydney Kingsford Smith
32h 19m
2 stops
PDX09:34Portland

See travel insights to Sydney from

How to get the cheapest flight ticket from Portland to Sydney

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 Portland and Sydney?

What is the cheapest month to fly to Sydney?

The month of February is, on average, the cheapest month to fly to Sydney from Portland, with most prices found around $1,595. If you aren’t able to travel to Sydney during the month of February, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,648.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Monday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $0. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $2,102.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at midday. momondo users have found flights departing from Portland to Sydney at midday for as low as $0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,885 on average. Flights to Sydney from Portland in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Portland when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,817 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Portland for as low as $1,498 on momondo.

How have Portland to Sydney flight prices changed over time?

As of January 2025, prices for Portland to Sydney flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Portland to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Portland to Sydney (PDX to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Sydney

Best price found

$696

Fastest flight time

17h 45m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Portland in the past 72 hours is $696. The best return flight deal from Portland to Sydney found on momondo in the last 72 hours is $1,205.
The fastest flight from Portland to Sydney takes 17h 45m
There are no direct flights from Portland to Sydney. Popular non-direct route for this connection is Portland Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

  • How far is Portland to Sydney Kingsford Smith by plane?

    There are 12333.8 km between Portland and Sydney Kingsford Smith. By plane, this route typically takes 17h 45m.

  • When did momondo last update prices for flights from Portland Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Portland Airport to Sydney Kingsford Smith Airport are updated daily.

  • How many operators does momondo search for flights from Portland Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Portland Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland to Sydney?


Best airlines flying from Portland to Sydney

Compare and see reviews for airlines that fly from Portland to Sydney with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $1,295Free cancellationRating
7.4
8,984 reviews
Search United Airlines flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Terrigal
Lithgow
Penrith
Leura
Manly
Cronulla
Coogee
Randwick
Bondi Beach
Charlestown
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Sydney . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Portland with this policy.

How can momondo help me find flights from Portland to Sydney?

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 Sydney from Portland.

I’m not ready to book a flight from Portland to Sydney right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portland to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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