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

$731 Cheap flights to Portland

1 adult
1 adult, Economy, 0 bags

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.
Multiple Airlines Logo
21:40 - 06:05SYD  Sydney Kingsford Smith-PDX Portland
27h 25m1 stop Honolulu
Multiple Airlines Logo
07:00 - 19:45PDX  Portland-SYD Sydney Kingsford Smith
17h 45m1 stop Honolulu
$1,371Multiple Airlines
Thu, 12 Nov - Mon, 16 Nov
Multiple Airlines Logo
21:40 - 06:05SYD  Sydney Kingsford Smith-PDX Portland
27h 25m1 stop Honolulu
Multiple Airlines Logo
07:00 - 19:45PDX  Portland-SYD Sydney Kingsford Smith
17h 45m1 stop Honolulu
$1,372Multiple Airlines
Thu, 12 Nov - Mon, 16 Nov
Air Canada Logo
16:00 - 14:41SYD  Sydney Kingsford Smith-PDX Portland
17h 41m1 stop Vancouver Intl
Air Canada Logo
10:00 - 09:35PDX  Portland-SYD Sydney Kingsford Smith
28h 35m1 stop Vancouver Intl
$1,598Air Canada
Thu, 3 Dec - Tue, 15 Dec
Air Canada Logo
11:20 - 18:31SYD  Sydney Kingsford Smith-PDX Portland
26h 11m1 stop Vancouver Intl
Air Canada Logo
15:15 - 18:15PDX  Portland-SYD Sydney Kingsford Smith
32h 00m2 stops Vancouver Intl Auckland Intl
$1,624Air Canada
Wed, 25 Nov - Wed, 2 Dec
Delta Logo
10:40 - 21:57SYD  Sydney Kingsford Smith-PDX Portland
30h 17m2 stops Los Angeles Seattle/Tacoma Intl
Delta Logo
13:30 - 08:30PDX  Portland-SYD Sydney Kingsford Smith
24h 00m2 stops Salt Lake City Los Angeles
$1,766Delta
Mon, 9 Nov - Thu, 12 Nov
Qantas Airways Logo
18:30 - 00:01SYD  Sydney Kingsford Smith-PDX Portland
24h 31m2 stops Melbourne Los Angeles
Qantas Airways Logo
07:00 - 10:20PDX  Portland-SYD Sydney Kingsford Smith
32h 20m2 stops Los Angeles Brisbane
$1,795Qantas Airways
Mon, 16 Nov - Fri, 4 Dec
Qantas Airways Logo
18:30 - 00:01SYD  Sydney Kingsford Smith-PDX Portland
24h 31m2 stops Melbourne Los Angeles
Qantas Airways Logo
07:00 - 10:20PDX  Portland-SYD Sydney Kingsford Smith
32h 20m2 stops Los Angeles Brisbane
$1,805Qantas Airways
Mon, 16 Nov - Fri, 4 Dec
United Airlines Logo
09:10 - 18:07SYD  Sydney Kingsford Smith-PDX Portland
27h 57m2 stops Houston George Bush Intcntl Denver Intl
United Airlines Logo
05:00 - 09:05PDX  Portland-SYD Sydney Kingsford Smith
33h 05m2 stops Denver Intl Los Angeles
$2,136United Airlines
Thu, 3 Dec - Mon, 28 Dec
United Airlines Logo
11:20 - 18:23SYD  Sydney Kingsford Smith-PDX Portland
26h 03m3 stops Los Angeles Denver Intl San Francisco
United Airlines Logo
05:00 - 09:05PDX  Portland-SYD Sydney Kingsford Smith
33h 05m2 stops Denver Intl Los Angeles
$2,136United Airlines
Thu, 3 Dec - Mon, 28 Dec
Delta Logo
10:40 - 12:00SYD  Sydney Kingsford Smith-PDX Portland
20h 20m1 stop Los Angeles
Delta Logo
06:00 - 08:30PDX  Portland-SYD Sydney Kingsford Smith
31h 30m2 stops Salt Lake City Los Angeles
$2,897Delta
Wed, 9 Dec - Sat, 9 Jan

momondo Fare Finder

 
Use the filters below to find and compare flights to Portland that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Thu 12/11

21:40-06:05

1 stop27h 25m

Portland

Mon 16/11

07:00-19:45

1 stop17h 45m

$1,371

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Thu 12/11

21:40-06:05

1 stop27h 25m

Portland

Mon 16/11

07:00-19:45

1 stop17h 45m

$1,372

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Thu 3/12

16:00-14:41

1 stop17h 41m

Portland

Tue 15/12

10:00-09:35

1 stop28h 35m

$1,598

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Wed 25/11

11:20-18:31

1 stop26h 11m

Portland

Wed 2/12

15:15-18:15

2 stops32h 00m

$1,624

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Mon 9/11

10:40-21:57

2 stops30h 17m

Portland

Thu 12/11

13:30-08:30

2 stops24h 00m

$1,766

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Mon 16/11

18:30-00:01

2 stops24h 31m

Portland

Fri 4/12

07:00-10:20

2 stops32h 20m

$1,795

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Mon 16/11

18:30-00:01

2 stops24h 31m

Portland

Fri 4/12

07:00-10:20

2 stops32h 20m

$1,805

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Thu 3/12

09:10-18:07

2 stops27h 57m

Portland

Mon 28/12

05:00-09:05

2 stops33h 05m

$2,136

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Thu 3/12

11:20-18:23

3 stops26h 03m

Portland

Mon 28/12

05:00-09:05

2 stops33h 05m

$2,136

SydneyPortland

SYD Sydney Kingsford Smith - PDX Portland

SYDPDX

Sydney Kingsford Smith

Wed 9/12

10:40-12:00

1 stop20h 20m

Portland

Sat 9/1

06:00-08:30

2 stops31h 30m

$2,897

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 July. Flight prices, which tend to average around $1,355, 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 July, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,368.

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 $1,576 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 $1,369 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 SYDNEYJuly14% cheaperFlying from Sydney to Portland costs on average just $1,355 in July
MOST EXPENSIVE MONTH TO FLY TO PORTLAND FROM SYDNEYApril13% more expensiveIt costs about $1,790 for flights to Portland from Sydney in April
MOST POPULAR MONTH TO FLY TO PORTLAND FROM SYDNEYNovember337% more users visitedMore momondo users searched in flights to Portland from Sydney in November than any other month

Cheap Portland flight deals and tips

Summary info about Portland flight prices, duration and airlines

Best One-Way Price

$731

Best Round-Trip Price

$1,371

Fastest flight time

25h 34m

Popular in

May
The best one-way flight price to Portland from Australia in the last 5 days is $731 (Melbourne to Portland).
Search Deals
The best return flight price to Portland from Australia in the last 5 days is $1,371 (Sydney Kingsford Smith to Portland).
Search Deals
The fastest flight to Portland from Australia takes 25h 34m (Sydney Kingsford Smith to Portland).
Search Deals
May 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 3 days prior to their departure date, when tickets on average are $1,576. 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 $912 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 4 as of October 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
Sun 29/11
Sun 6/12
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

Sydney Kingsford Smith to Portland Flightsfrom $929
Canberra to Portland Flightsfrom $2,226
Brisbane to Portland Flightsfrom $1,117
Perth to Portland Flightsfrom $1,756
Adelaide to Portland Flightsfrom $2,478
Melbourne to Portland Flightsfrom $1,321
Cairns to Portland Flightsfrom $2,435