Which airlines fly to Portland?

There may be other airlines that fly to Portland from Australia, but the most popular among our users are United Airlines, Air Canada, Qantas Airways and Virgin Australia. These airlines should offer flights to Portland on a routine basis if you’re flying from one of the more popular airports in Australia.

Alaska Airlines Flights to Portland

There are 51 Alaska Airlines flights to Portland in a normal week. The most common departure point is Seattle/Tacoma Intl and the best Alaska Airlines ticket price seen on momondo is $1,264 (last 72 hours, from Sydney Kingsford Smith, to Portland). Alaska Airlines has a score of 8.0 from 11,258 user reviews on momondo.

Air New Zealand Flights to Portland

$1,384 is the best return Air New Zealand deal to Portland found on momondo in the last few days. The deal departed from Sydney Kingsford Smith. Air New Zealand has 38 flights to Portland most weeks, with prices varying by availability. 524 momondo users have reviewed Air New Zealand, scoring the airline a 8.0/10 on average.

How long does it take to fly to Portland?

On average, it takes 19h 46m to fly from Australia to Portland if you fly out of Sydney Kingsford Smith (the most popular airport in Australia) and into Portland (the most popular airport in Portland). If you’re flying out of Melbourne and into Portland, then the flight time is around 22h 10m.

$689 Cheap Flights to Portland in 2025/26

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Find the cheapest flights from Australia to Portland

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10:45 - 09:15BNE-PDX

16h 30m1 stop

09:50 - 08:45PDX-BNE

28h 55m1 stop

$1,045Air Canada

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Fri, 13 Feb - Tue, 17 Feb

10:45 - 09:15BNE-PDX

16h 30m1 stop

09:50 - 08:45PDX-BNE

28h 55m1 stop

$1,046Air Canada

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Fri, 13 Feb - Tue, 17 Feb

11:30 - 21:07MEL-PDX

28h 37m2 stops

07:30 - 10:00PDX-MEL

31h 30m1 stop

$1,422United Airlines

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Mon, 22 Dec - Mon, 29 Dec

13:00 - 18:41MEL-PDX

24h 41m1 stop

19:45 - 10:00PDX-MEL

19h 15m1 stop

$1,434United Airlines

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Mon, 15 Dec - Mon, 29 Dec

15:35 - 23:59CNS-PDX

25h 24m2 stops

17:30 - 16:50PDX-CNS

30h 20m2 stops

$1,545Qantas Airways

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Wed, 11 Mar - Sun, 15 Mar

15:35 - 13:21CNS-PDX

38h 46m2 stops

17:30 - 11:00PDX-CNS

24h 30m2 stops

$1,548Qantas Airways

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Wed, 11 Mar - Sun, 15 Mar

21:40 - 05:25SYD-PDX

26h 45m1 stop

07:00 - 19:45PDX-SYD

17h 45m1 stop

$2,619Hawaiian Airlines

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Tue, 23 Dec - Tue, 30 Dec

21:50 - 18:48ADL-PDX

39h 28m2 stops

19:45 - 16:20PDX-ADL

26h 05m2 stops

$2,724Virgin Australia

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Tue, 23 Dec - Tue, 30 Dec

19:50 - 14:46CNS-PDX

36h 56m2 stops

19:45 - 23:55PDX-CNS

34h 10m2 stops

$2,955Virgin Australia

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Tue, 23 Dec - Tue, 30 Dec

21:40 - 20:50SYD-PDX

17h 10m1 stop

07:20 - 19:45PDX-SYD

18h 25m1 stop

$9,353Hawaiian Airlines

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Tue, 17 Mar - Thu, 2 Apr

Fly from

Route

Depart

Return

Price

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Fri 13/2

10:45-09:15

1 stop16h 30m

Portland

Tue 17/2

09:50-08:45

1 stop28h 55m

$1,045

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Fri 13/2

10:45-09:15

1 stop16h 30m

Portland

Tue 17/2

09:50-08:45

1 stop28h 55m

$1,046

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Mon 22/12

11:30-21:07

2 stops28h 37m

Portland

Mon 29/12

07:30-10:00

1 stop31h 30m

$1,422

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Mon 15/12

13:00-18:41

1 stop24h 41m

Portland

Mon 29/12

19:45-10:00

1 stop19h 15m

$1,434

CairnsPortland

CNS - PDX

CNSPDX

Cairns

Wed 11/3

15:35-23:59

2 stops25h 24m

Portland

Sun 15/3

17:30-16:50

2 stops30h 20m

$1,545

CairnsPortland

CNS - PDX

CNSPDX

Cairns

Wed 11/3

15:35-13:21

2 stops38h 46m

Portland

Sun 15/3

17:30-11:00

2 stops24h 30m

$1,548

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 23/12

21:40-05:25

1 stop26h 45m

Portland

Tue 30/12

07:00-19:45

1 stop17h 45m

$2,619

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Tue 23/12

21:50-18:48

2 stops39h 28m

Portland

Tue 30/12

19:45-16:20

2 stops26h 05m

$2,724

CairnsPortland

CNS - PDX

CNSPDX

Cairns

Tue 23/12

19:50-14:46

2 stops36h 56m

Portland

Tue 30/12

19:45-23:55

2 stops34h 10m

$2,955

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Tue 17/3

21:40-20:50

1 stop17h 10m

Portland

Thu 2/4

07:20-19:45

1 stop18h 25m

$9,353

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Portland flights insights and trends

Explore insights for your Portland flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Australia is in October. Flight prices, which tend to average around $1,286, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland during the month of October, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,463.

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

On average, the least expensive day to fly to Portland from Australia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,445. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Australia because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $1,866.

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

Flying to Portland from Australia at midday is the least expensive time of day to depart. momondo users have found prices as low as $1,345 when looking at flights departing at midday. Flights to Portland are more costly in the evening, with an average ticket price of $2,651. Departure times in the evening 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 Portland?

You are more likely to see cheaper flights to Portland from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $1,713 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from Australia for as low as $836 on momondo.

Cheapest flights to Portland

Find the cheapest flights to Portland from your nearest city or airport

Find flights from Sydney to Portland

CHEAPEST MONTH TO FLY TO PORTLAND FROM SYDNEY	October	25% cheaper	Flying from Sydney to Portland costs on average just $1,286 in October
MOST EXPENSIVE MONTH TO FLY TO PORTLAND FROM SYDNEY	December	30% more expensive	It costs about $2,237 for flights to Portland from Sydney in December
MOST POPULAR MONTH TO FLY TO PORTLAND FROM SYDNEY	May	692% more users visited	More momondo users searched in flights to Portland from Sydney in May than any other month

Cheap Portland flight deals and tips

Summary info about Portland flight prices, duration and airlines

Best One-Way Price	$689
Best Round-Trip Price	$1,045
Fastest flight time	17h 13m
Popular in	April

The best one-way flight price to Portland from Australia in the last 72 hours is $689 (Brisbane to Portland).

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The best round-trip flight price to Portland from Australia in the last 72 hours is $1,045 (Brisbane to Portland).

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The fastest flight to Portland from Australia takes 17h 13m (Brisbane to Portland).

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April has the highest demand for flights to Portland, with a 6% price increase on average.

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Frequently asked questions about flying to Portland

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

In general, most travellers find the cheapest time to book a flight to Portland is about 38 days prior to their departure date, when tickets on average are $1,713. Keep in mind that you might be able to find cheaper flights to Portland at any time. In fact, our users found flights for as low as $809 in the past 72 hours.

When did momondo last update prices for flights to Portland Airport?

Prices for flights to Portland Airport are updated daily.

How many operators does momondo search for flights to Portland Airport?

The number of operators available for flights to Portland Airport is 9 as of November 2025.

How old do you have to be to fly to Portland 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 to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The travel and health documents you'll need for your trip to Portland 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 Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland.

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

Yes. All flights to Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights to Portland?

Once all potential Portland flight options are in front of you momondo lets you sort and filter flights based on preferences such as airline, price and flight times, amongst many other options.

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

Yes momondo offers price alerts on flights to Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.