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$624 Cheap flights to Portland

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Portland departing on 14/1. 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 Australia to Portland

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:45 - 18:30
BNE
-
PDX
25h 45m1 stop
Air Canada Logo
19:05 - 08:45
PDX
-
BNE
19h 40m1 stop
$1,049Air Canada
Thu, 19 Feb - Mon, 23 Feb
Air Canada Logo
10:45 - 09:15
BNE
-
PDX
16h 30m1 stop
Air Canada Logo
15:15 - 08:45
PDX
-
BNE
23h 30m1 stop
$1,050Air Canada
Thu, 19 Feb - Mon, 23 Feb
American Airlines Logo
09:40 - 12:57
BNE
-
PDX
21h 17m1 stop
American Airlines Logo
05:00 - 05:00
PDX
-
BNE
30h 00m2 stops
$1,059American Airlines
Thu, 19 Feb - Mon, 23 Feb
United Airlines Logo
11:40 - 18:10
BNE
-
PDX
24h 30m2 stops
United Airlines Logo
13:24 - 07:30
PDX
-
BNE
24h 06m2 stops
$1,074United Airlines
Wed, 28 Jan - Wed, 4 Feb
United Airlines Logo
10:55 - 12:24
MEL
-
PDX
18h 29m1 stop
United Airlines Logo
07:25 - 08:15
PDX
-
MEL
31h 50m1 stop
$1,320United Airlines
Tue, 21 Apr - Wed, 29 Apr
Qantas Airways Logo
12:00 - 13:41
MEL
-
PDX
20h 41m1 stop
Qantas Airways Logo
14:57 - 09:30
PDX
-
MEL
23h 33m1 stop
$1,342Qantas Airways
Thu, 29 Jan - Thu, 5 Feb
Hawaiian Airlines Logo
21:40 - 20:50
SYD
-
PDX
18h 10m1 stop
Hawaiian Airlines Logo
17:40 - 19:45
PDX
-
SYD
31h 05m1 stop
$1,500Hawaiian Airlines
Thu, 29 Jan - Thu, 5 Feb
Air New Zealand Logo
09:55 - 20:47
SYD
-
PDX
27h 52m2 stops
Air New Zealand Logo
15:25 - 08:45
PDX
-
SYD
23h 20m2 stops
$1,529Air New Zealand
Wed, 20 May - Thu, 22 Oct
Hawaiian Airlines Logo
21:40 - 20:50
SYD
-
PDX
18h 10m1 stop
Hawaiian Airlines Logo
10:21 - 19:45
PDX
-
SYD
38h 24m1 stop
$1,578Hawaiian Airlines
Thu, 22 Jan - Wed, 4 Feb
Qantas Airways Logo
16:35 - 20:53
SYD
-
PDX
23h 18m2 stops
Qantas Airways Logo
17:39 - 10:20
PDX
-
SYD
22h 41m2 stops
$1,587Qantas Airways
Wed, 4 Mar - Sun, 8 Mar

momondo Fare Finder

 
Locate flights to Portland that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 16 December 2025.
Use the filters below to find and compare flights to Portland that are best for you.

Fly from

Route

Depart

Return

Price

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Thu 19/2

10:45-18:30

1 stop25h 45m

Portland

Mon 23/2

19:05-08:45

1 stop19h 40m

$1,049

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Thu 19/2

10:45-09:15

1 stop16h 30m

Portland

Mon 23/2

15:15-08:45

1 stop23h 30m

$1,050

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Thu 19/2

09:40-12:57

1 stop21h 17m

Portland

Mon 23/2

05:00-05:00

2 stops30h 00m

$1,059

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Wed 28/1

11:40-18:10

2 stops24h 30m

Portland

Wed 4/2

13:24-07:30

2 stops24h 06m

$1,074

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Tue 21/4

10:55-12:24

1 stop18h 29m

Portland

Wed 29/4

07:25-08:15

1 stop31h 50m

$1,320

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Thu 29/1

12:00-13:41

1 stop20h 41m

Portland

Thu 5/2

14:57-09:30

1 stop23h 33m

$1,342

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 29/1

21:40-20:50

1 stop18h 10m

Portland

Thu 5/2

17:40-19:45

1 stop31h 05m

$1,500

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 20/5

09:55-20:47

2 stops27h 52m

Portland

Thu 22/10

15:25-08:45

2 stops23h 20m

$1,529

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Thu 22/1

21:40-20:50

1 stop18h 10m

Portland

Wed 4/2

10:21-19:45

1 stop38h 24m

$1,578

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 4/3

16:35-20:53

2 stops23h 18m

Portland

Sun 8/3

17:39-10:20

2 stops22h 41m

$1,587

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Portland from

Portland flights insights and trends

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

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 $1,258, 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 $1,431.

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 $1,413. 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 $1,825.

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 $1,315 when looking at flights departing at midday. Flights to Portland are more costly in the evening, with an average ticket price of $2,592. 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 $1,635 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 $1,268 on momondo.

Cheapest flights to Portland

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

Cheap Portland flight deals and tips

Summary info about Portland flight prices, duration and airlines

Best One-Way Price

$624

Best Round-Trip Price

$1,049

Fastest flight time

24h 11m

Popular in

April
The best one-way flight price to Portland from Australia in the last 72 hours is $624 (Brisbane to Portland).
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The best round-trip flight price to Portland from Australia in the last 72 hours is $1,049 (Brisbane to Portland).
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The fastest flight to Portland from Australia takes 24h 11m (Melbourne 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 40 days prior to their departure date, when tickets on average are $1,635. 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 $791 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 December 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.

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Find better results for your trip to Portland

Popular Flights to Portland

Popular routes according to searches in the past day on momondo
Sydney Kingsford Smith to Portland Flightsfrom $939
Brisbane to Portland Flightsfrom $713
Perth to Portland Flightsfrom $1,707
Adelaide to Portland Flightsfrom $1,434
Cairns to Portland Flightsfrom $1,107
Canberra to Portland Flightsfrom $1,929
Melbourne to Portland Flightsfrom $866