Latest deals
Insights
When to book
FAQs
Price Alerts
Look for other cheap flights to Portland

$564 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 15/2. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Australia to Portland

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
19:40 - 17:08
BNE
-
PDX
38h 28m
1 stop
American Airlines Logo
17:38 - 05:00
PDX
-
BNE
18h 22m
1 stop
$1,045American Airlines
Fri, 20 Mar - Mon, 6 Apr
American Airlines Logo
09:40 - 13:15
BNE
-
PDX
21h 35m
1 stop
American Airlines Logo
06:25 - 05:00
PDX
-
BNE
28h 35m
1 stop
$1,053American Airlines
Sat, 14 Feb - Thu, 19 Feb
United Airlines Logo
11:40 - 12:38
BNE
-
PDX
18h 58m
1 stop
United Airlines Logo
15:45 - 06:30
PDX
-
BNE
21h 45m
1 stop
$1,067United Airlines
Mon, 2 Mar - Sat, 14 Mar
United Airlines Logo
10:40 - 23:00
BNE
-
PDX
29h 20m
2 stops
United Airlines Logo
23:59 - 06:30
PDX
-
BNE
37h 31m
2 stops
$1,069United Airlines
Thu, 19 Mar - Thu, 26 Mar
Air Canada Logo
07:00 - 09:15
MEL
-
PDX
20h 15m
2 stops
Air Canada Logo
19:05 - 14:15
PDX
-
MEL
25h 10m
2 stops
$1,244Air Canada
Thu, 19 Mar - Thu, 26 Mar
Air Canada Logo
13:00 - 09:30
SYD
-
PDX
37h 30m
2 stops
Air Canada Logo
15:25 - 07:20
PDX
-
SYD
22h 55m
1 stop
$1,286Air Canada
Sun, 24 May - Thu, 28 May
Qantas Airways Logo
05:55 - 20:53
PER
-
PDX
30h 58m
2 stops
Qantas Airways Logo
17:39 - 14:30
PDX
-
PER
29h 51m
2 stops
$1,724Qantas Airways
Thu, 5 Mar - Thu, 12 Mar
Qantas Airways Logo
08:55 - 13:25
CBR
-
PDX
23h 30m
2 stops
Qantas Airways Logo
17:39 - 18:15
PDX
-
CBR
30h 36m
2 stops
$1,742Qantas Airways
Thu, 5 Mar - Mon, 9 Mar
Virgin Australia Logo
08:30 - 23:04
ADL
-
PDX
32h 04m
2 stops
Virgin Australia Logo
13:39 - 09:20
PDX
-
ADL
26h 11m
1 stop
$1,824Virgin Australia
Thu, 19 Mar - Thu, 26 Mar
Virgin Australia Logo
06:30 - 12:33
CBR
-
PDX
24h 03m
2 stops
Virgin Australia Logo
19:49 - 18:00
PDX
-
CBR
28h 11m
2 stops
$1,832Virgin Australia
Thu, 19 Mar - Thu, 26 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 4 February 2026.
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

Fri 20/3

19:40-17:08

1 stop38h 28m

Portland

Mon 6/4

17:38-05:00

1 stop18h 22m

$1,045

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Sat 14/2

09:40-13:15

1 stop21h 35m

Portland

Thu 19/2

06:25-05:00

1 stop28h 35m

$1,053

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Mon 2/3

11:40-12:38

1 stop18h 58m

Portland

Sat 14/3

15:45-06:30

1 stop21h 45m

$1,067

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Thu 19/3

10:40-23:00

2 stops29h 20m

Portland

Thu 26/3

23:59-06:30

2 stops37h 31m

$1,069

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Thu 19/3

07:00-09:15

2 stops20h 15m

Portland

Thu 26/3

19:05-14:15

2 stops25h 10m

$1,244

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Sun 24/5

13:00-09:30

2 stops37h 30m

Portland

Thu 28/5

15:25-07:20

1 stop22h 55m

$1,286

PerthPortland

PER - PDX

PERPDX

Perth

Thu 5/3

05:55-20:53

2 stops30h 58m

Portland

Thu 12/3

17:39-14:30

2 stops29h 51m

$1,724

CanberraPortland

CBR - PDX

CBRPDX

Canberra

Thu 5/3

08:55-13:25

2 stops23h 30m

Portland

Mon 9/3

17:39-18:15

2 stops30h 36m

$1,742

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 19/3

08:30-23:04

2 stops32h 04m

Portland

Thu 26/3

13:39-09:20

1 stop26h 11m

$1,824

CanberraPortland

CBR - PDX

CBRPDX

Canberra

Thu 19/3

06:30-12:33

2 stops24h 03m

Portland

Thu 26/3

19:49-18:00

2 stops28h 11m

$1,832

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $1,193, 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 $1,360.

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 $1,522 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 $1,203 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 SYDNEYOctober22% cheaperFlying from Sydney to Portland costs on average just $1,193 in October
MOST EXPENSIVE MONTH TO FLY TO PORTLAND FROM SYDNEYMay11% more expensiveIt costs about $1,698 for flights to Portland from Sydney in May
MOST POPULAR MONTH TO FLY TO PORTLAND FROM SYDNEYMay614% more users visitedMore 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

$564

Best Round-Trip Price

$1,045

Fastest flight time

27h 36m

Popular in

May
The best one-way flight price to Portland from Australia in the last 72 hours is $564 (Brisbane to Portland).
Search Deals
The best round-trip flight price to Portland from Australia in the last 72 hours is $1,045 (Brisbane to Portland).
Search Deals
The fastest flight to Portland from Australia takes 27h 36m (Brisbane to Portland).
Search Deals
May has the highest demand for flights to Portland, with a 20% price increase on average.
Search Deals

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 39 days prior to their departure date, when tickets on average are $1,522. 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 $751 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 8 as of February 2026.

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.

An easier way to manage your Portland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 6/3
Fri 13/3
By creating a price alert you accept our terms of use and privacy policy.

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 $841
Melbourne to Portland Flightsfrom $887
Brisbane to Portland Flightsfrom $748
Cairns to Portland Flightsfrom $1,328
Adelaide to Portland Flightsfrom $1,016
Canberra to Portland Flightsfrom $1,170
Perth to Portland Flightsfrom $1,571