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

$628 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 30/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Air Canada Logo
10:45 - 18:30
BNE
-
PDX
25h 45m1 stop
Air Canada Logo
19:05 - 08:45
PDX
-
BNE
19h 40m1 stop
$992Air Canada
Sat, 31 Jan - Sat, 7 Feb
Air Canada Logo
14:05 - 09:15
BNE
-
PDX
37h 10m2 stops
Air Canada Logo
19:05 - 08:45
PDX
-
BNE
19h 40m1 stop
$1,026Air Canada
Sat, 31 Jan - Sat, 7 Feb
Air Canada Logo
10:45 - 14:40
BNE
-
PDX
21h 55m1 stop
Air Canada Logo
09:50 - 08:45
PDX
-
BNE
28h 55m1 stop
$1,050Air Canada
Thu, 19 Feb - Mon, 23 Feb
American Airlines Logo
19:40 - 22:00
BNE
-
PDX
20h 20m1 stop
American Airlines Logo
05:00 - 05:00
PDX
-
BNE
31h 00m2 stops
$1,058American Airlines
Thu, 5 Mar - Mon, 9 Mar
American Airlines Logo
09:40 - 21:45
BNE
-
PDX
30h 05m1 stop
American Airlines Logo
06:43 - 05:00
PDX
-
BNE
28h 17m2 stops
$1,061American Airlines
Thu, 19 Feb - Mon, 23 Feb
United Airlines Logo
11:40 - 14:48
BNE
-
PDX
21h 08m1 stop
United Airlines Logo
08:30 - 07:30
PDX
-
BNE
29h 00m2 stops
$1,077United Airlines
Thu, 19 Feb - Mon, 23 Feb
United Airlines Logo
10:55 - 00:44
MEL
-
PDX
30h 49m1 stop
United Airlines Logo
17:35 - 08:15
PDX
-
MEL
21h 40m1 stop
$1,319United Airlines
Tue, 21 Apr - Wed, 29 Apr
Qantas Airways Logo
12:00 - 13:41
MEL
-
PDX
20h 41m1 stop
Qantas Airways Logo
17:50 - 09:30
PDX
-
MEL
20h 40m1 stop
$1,345Qantas Airways
Sat, 31 Jan - Sat, 7 Feb
Qantas Airways Logo
15:35 - 20:53
SYD
-
PDX
24h 18m2 stops
Qantas Airways Logo
14:30 - 09:20
PDX
-
SYD
24h 50m2 stops
$1,592Qantas Airways
Wed, 4 Mar - Sun, 8 Mar
Virgin Australia Logo
13:55 - 23:04
ADL
-
PDX
26h 39m1 stop
Virgin Australia Logo
05:30 - 16:25
PDX
-
ADL
41h 25m2 stops
$2,701Virgin Australia
Wed, 25 Mar - Sun, 29 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 19 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

Sat 31/1

10:45-18:30

1 stop25h 45m

Portland

Sat 7/2

19:05-08:45

1 stop19h 40m

$992

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Sat 31/1

14:05-09:15

2 stops37h 10m

Portland

Sat 7/2

19:05-08:45

1 stop19h 40m

$1,026

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Thu 19/2

10:45-14:40

1 stop21h 55m

Portland

Mon 23/2

09:50-08:45

1 stop28h 55m

$1,050

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Thu 5/3

19:40-22:00

1 stop20h 20m

Portland

Mon 9/3

05:00-05:00

2 stops31h 00m

$1,058

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Thu 19/2

09:40-21:45

1 stop30h 05m

Portland

Mon 23/2

06:43-05:00

2 stops28h 17m

$1,061

BrisbanePortland

BNE - PDX

BNEPDX

Brisbane

Thu 19/2

11:40-14:48

1 stop21h 08m

Portland

Mon 23/2

08:30-07:30

2 stops29h 00m

$1,077

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Tue 21/4

10:55-00:44

1 stop30h 49m

Portland

Wed 29/4

17:35-08:15

1 stop21h 40m

$1,319

MelbournePortland

MEL - PDX

MELPDX

Melbourne

Sat 31/1

12:00-13:41

1 stop20h 41m

Portland

Sat 7/2

17:50-09:30

1 stop20h 40m

$1,345

SydneyPortland

SYD - PDX

SYDPDX

Sydney Kingsford Smith

Wed 4/3

15:35-20:53

2 stops24h 18m

Portland

Sun 8/3

14:30-09:20

2 stops24h 50m

$1,592

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Wed 25/3

13:55-23:04

1 stop26h 39m

Portland

Sun 29/3

05:30-16:25

2 stops41h 25m

$2,701

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 $1,265, 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 $1,439.

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 $1,421. 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 $1,835.

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 $1,322 when looking at flights departing at midday. Flights to Portland are more costly in the evening, with an average ticket price of $2,606. 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 $1,644 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 $1,275 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

$628

Best Round-Trip Price

$992

Fastest flight time

16h 30m

Popular in

April
The best one-way flight price to Portland from Australia in the last 72 hours is $628 (Brisbane to Portland).
Search Deals
The best round-trip flight price to Portland from Australia in the last 72 hours is $992 (Brisbane to Portland).
Search Deals
The fastest flight to Portland from Australia takes 16h 30m (Brisbane to Portland).
Search Deals
April has the highest demand for flights to Portland, with a 6% 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 40 days prior to their departure date, when tickets on average are $1,644. 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 $796 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.

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
Sun 18/1
Sun 25/1
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 $993
Melbourne to Portland Flightsfrom $873
Brisbane to Portland Flightsfrom $709
Perth to Portland Flightsfrom $1,166
Adelaide to Portland Flightsfrom $995
Cairns to Portland Flightsfrom $1,298
Canberra to Portland Flightsfrom $1,919