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Cheap flights from Portland to Sydney from $400

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 4/4. 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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Find the cheapest flights from Portland to Sydney

Cheap round-trip flights

These are some of the best round-trip 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 layovers.

Cheap bus & train deals from Portland to Sydney

Find recent round-trip train or bus tickets from Portland to Sydney.

All round-trip flight deals to Sydney

The cheapest plane tickets to Sydney found on KAYAK recently.
12:43 pm - 3:35 pmPDX-SYD
31h 52m2 stops
5:25 pm - 8:25 pmSYD-PDX
21h 00m1 stop
Sun, Feb 23 - Fri, Mar 14
7:00 am - 3:35 pmPDX-SYD
37h 35m1 stop
5:25 pm - 9:10 pmSYD-PDX
21h 45m1 stop
Sun, Feb 23 - Fri, Mar 14
7:05 pm - 9:35 amPDX-SYD
19h 30m1 stop
11:20 am - 6:24 pmSYD-PDX
26h 04m1 stop
$874Air Canada
Find Deal
Sun, Feb 9 - Wed, Mar 5
7:05 pm - 9:35 amPDX-SYD
19h 30m1 stop
10:20 am - 9:34 amSYD-PDX
17h 14m1 stop
$875Air Canada
Find Deal
Sun, Feb 23 - Sun, Mar 16
7:00 am - 7:00 amPDX-SYD
29h 00m1 stop
11:50 am - 11:06 pmSYD-PDX
30h 16m1 stop
$912United Airlines
Find Deal
Thu, Feb 13 - Thu, Feb 20
12:40 pm - 7:00 amPDX-SYD
25h 20m2 stops
10:20 am - 2:54 pmSYD-PDX
21h 34m1 stop
$916United Airlines
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Fri, May 2 - Fri, May 9
1:36 pm - 8:35 amPDX-SYD
23h 59m2 stops
11:05 am - 11:32 amSYD-PDX
19h 27m1 stop
$977Delta
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Sat, Feb 15 - Sat, Feb 22
7:48 pm - 6:50 amPDX-SYD
40h 02m1 stop
2:15 pm - 8:07 pmSYD-PDX
24h 52m1 stop
$980Delta
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Fri, Feb 14 - Sat, Feb 22
7:00 am - 7:45 pmPDX-SYD
17h 45m1 stop
9:40 pm - 9:10 pmSYD-PDX
18h 30m1 stop
$1,236Alaska Airlines
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Wed, Feb 19 - Fri, Feb 21
7:00 am - 7:45 pmPDX-SYD
17h 45m1 stop
9:40 pm - 9:41 pmSYD-PDX
19h 01m1 stop
$1,282Alaska Airlines
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Wed, Jan 15 - Sat, Jan 18
6:07 pm - 3:45 pmPDX-SYD
27h 38m1 stop
Fri, Apr 4
9:00 am - 9:05 amPDX-SYD
29h 05m2 stops
$437United Airlines
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Sat, Mar 1
1:30 pm - 6:50 amPDX-SYD
22h 20m2 stops
$441Delta
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Thu, Feb 27
6:23 pm - 7:00 amPDX-SYD
43h 37m2 stops
$442United Airlines
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Wed, Apr 30
9:45 am - 6:50 amPDX-SYD
26h 05m1 stop
$510Delta
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Tue, Mar 4
7:05 pm - 6:05 pmPDX-SYD
28h 00m2 stops
$674Air Canada
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Mon, Mar 3
7:05 pm - 9:45 pmPDX-SYD
31h 40m2 stops
$696Air Canada
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Wed, Feb 26
7:00 am - 7:45 pmPDX-SYD
17h 45m1 stop
$1,056Hawaiian Airlines
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Sat, Jan 11
9:38 am - 1:00 pmPDX-SYD
32h 22m3 stops
$1,070Fiji Airways
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Thu, Feb 27
7:00 am - 7:45 pmPDX-SYD
17h 45m1 stop
$4,357Hawaiian Airlines
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Mon, Feb 17
2:48 pm - 7:00 amPDX-SYD
45h 12m2 stops
12:10 pm - 12:30 pmSYD-PDX
19h 20m1 stop
$1,346United Airlines
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Mon, Dec 23 - Fri, Jan 10
2:48 pm - 7:00 amPDX-SYD
45h 12m2 stops
11:20 am - 10:44 pmSYD-PDX
30h 24m2 stops
$1,351United Airlines
Find Deal
Mon, Dec 23 - Fri, Jan 10
5:21 pm - 8:35 amPDX-SYD
20h 14m1 stop
2:15 pm - 10:45 pmSYD-PDX
27h 30m1 stop
$1,397Delta
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Tue, Dec 24 - Mon, Jan 13
2:48 pm - 7:00 amPDX-SYD
45h 12m2 stops
11:50 am - 7:55 pmSYD-PDX
27h 05m1 stop
$1,400United Airlines
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Mon, Dec 23 - Mon, Dec 30
9:18 am - 8:35 amPDX-SYD
28h 17m2 stops
2:15 pm - 10:45 pmSYD-PDX
27h 30m1 stop
$1,401Delta
Find Deal
Tue, Dec 24 - Mon, Jan 13
4:31 pm - 3:35 pmPDX-SYD
28h 04m2 stops
9:40 pm - 9:00 pmSYD-PDX
18h 20m1 stop
$2,061
Find Deal
Wed, Dec 25 - Fri, Dec 27
5:59 pm - 12:30 pmPDX-SYD
23h 31m2 stops
3:25 pm - 4:59 pmSYD-PDX
20h 34m2 stops
$2,128
Find Deal
Wed, Dec 25 - Fri, Dec 27
5:59 pm - 5:40 pmPDX-SYD
28h 41m3 stops
7:15 pm - 8:11 pmSYD-PDX
43h 56m2 stops
$2,287Air Tahiti Nui
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Tue, Dec 24 - Mon, Jan 13
3:39 pm - 9:00 amPDX-SYD
22h 21m1 stop
7:05 pm - 10:20 pmSYD-PDX
22h 15m2 stops
$2,547Qantas Airways
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Mon, Dec 23 - Wed, Dec 25
7:30 am - 9:00 amPDX-SYD
30h 30m1 stop
11:15 am - 10:44 pmSYD-PDX
30h 29m1 stop
$2,614Qantas Airways
Find Deal
Wed, Dec 25 - Fri, Dec 27

Air Canada flights from Portland to Sydney

Our best Air Canada deals on Portland to Sydney flight tickets
Air Canada
Feb 9
PDX7:05 pmPortland
19h 30m
1 stop
SYD9:35 amSydney Kingsford Smith
Mar 5
SYD11:20 amSydney Kingsford Smith
26h 04m
1 stop
PDX6:24 pmPortland
Air Canada
Feb 23
PDX7:05 pmPortland
19h 30m
1 stop
SYD9:35 amSydney Kingsford Smith
Mar 16
SYD10:20 amSydney Kingsford Smith
17h 14m
1 stop
PDX9:34 amPortland
Air Canada
Feb 9
PDX10:10 amPortland
28h 25m
1 stop
SYD9:35 amSydney Kingsford Smith
Feb 23
SYD11:20 amSydney Kingsford Smith
22h 24m
1 stop
PDX2:44 pmPortland

United Airlines flights from Portland to Sydney

Our best United Airlines deals on Portland to Sydney flight tickets
United Airlines
Feb 13
PDX7:00 amPortland
29h 00m
1 stop
SYD7:00 amSydney Kingsford Smith
Feb 20
SYD11:50 amSydney Kingsford Smith
30h 16m
1 stop
PDX11:06 pmPortland
United Airlines
May 2
PDX12:40 pmPortland
25h 20m
2 stops
SYD7:00 amSydney Kingsford Smith
May 9
SYD10:20 amSydney Kingsford Smith
21h 34m
1 stop
PDX2:54 pmPortland
United Airlines
Jan 30
PDX7:30 pmPortland
39h 50m
1 stop
SYD6:20 amSydney Kingsford Smith
Feb 14
SYD11:50 amSydney Kingsford Smith
30h 16m
1 stop
PDX11:06 pmPortland

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?

In general, February is the cheapest month to fly from Portland to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,005. If you are unable to visit Sydney during the month of February, then departing from Portland during the month May is also very affordable. Most momondo users find prices during this month for around $1,030.

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

The cheapest day to depart from Portland to Sydney is on a Saturday when prices can be found for as low as $1,040. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $1,146.

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 in the morning. momondo users have found flights departing from Portland to Sydney in the morning for as low as $1,060. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly at noon, with an average ticket price of $1,135. Departure times at noon 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 Sydney?

The ideal time to book your flight to Sydney is 25 days in advance when prices tend to average $1,132. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Portland for as low as $774 on momondo.

Can stopping save me money on Portland to Sydney flights?

You could potentially save up to 8% on your flight if you consider stops on a Portland to Sydney flight.

How have Portland to Sydney flight prices changed over time?

As of December 2024, prices for Portland to Sydney flights are approximately 32% 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 round-trip 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

$400

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 $400. The best round-trip flight deal from Portland to Sydney found on momondo in the last 72 hours is $866.
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?

    A flight from Portland to Sydney Kingsford Smith will travel around 7663.9 mi. A reasonable flight in good conditions will take 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
Hawaiian AirlinesPriceFrom $444Free CancellationRating
7.9
2,297 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $759Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights
Air CanadaPriceFrom $808Free CancellationRating
7.0
8,413 reviews
Search Air Canada flights
DeltaPriceFrom $821Free CancellationRating
8.0
8,594 reviews
Search Delta flights
Qantas AirwaysPriceFrom $856Free CancellationRating
7.5
806 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,055Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $1,068Free CancellationRating
8.0
9,537 reviews
Search Alaska Airlines flights

Why use momondo?

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

Finding the right flight to Sydney from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sydney quick and easy, saving you time and money.

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

Flights from Portland to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

If you are not ready to book a flight from Portland to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.


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