Question 1

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

Accepted Answer

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.

Question 2

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

Accepted Answer

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

Question 3

How can momondo help me find flights to Portland?

Accepted Answer

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.

Question 4

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

Accepted Answer

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.

Question 5

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

Accepted Answer

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 $1,721. 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 $805 in the past 72 hours.

Question 6

Which airlines fly to Portland?

Accepted Answer

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.

Question 7

Alaska Airlines Flights to Portland

Accepted Answer

There are 38 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 $1,258 (last 72 hours, from Sydney Kingsford Smith, to Portland). Alaska Airlines has a score of 8.0 from 11,374 user reviews on momondo.

Question 8

Air New Zealand Flights to Portland

Accepted Answer

$1,378 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 21 flights to Portland most weeks, with prices varying by availability. 537 momondo users have reviewed Air New Zealand, scoring the airline a 8.0/10 on average.

Question 9

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

Accepted Answer

Prices for flights to Portland Airport are updated daily.

Question 10

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

Accepted Answer

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

Question 11

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

Accepted Answer

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.

Question 12

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

Accepted Answer

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.

Question 13

How long does it take to fly to Portland?

Accepted Answer

On average, it takes 18h 29m 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 25m.

Question 14

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

Accepted Answer

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 $1,438. 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 $1,857.

Question 15

What is the cheapest month to fly to Portland?

Accepted Answer

The cheapest month to fly to Portland from Australia is in October. Flight prices, which tend to average around $1,280, 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 $1,456.

Question 16

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

Accepted Answer

Flying to Portland from Australia at midday is the least expensive time of day to depart. momondo users have found prices as low as $1,338 when looking at flights departing at midday. Flights to Portland are more costly in the evening, with an average ticket price of $2,638. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Question 17

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

Accepted Answer

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 $1,721 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 $832 on momondo.

CHEAPEST MONTH TO FLY TO PORTLAND FROM SYDNEY	October	26% cheaper	Flying from Sydney to Portland costs on average just $1,280 in October
MOST EXPENSIVE MONTH TO FLY TO PORTLAND FROM SYDNEY	December	29% more expensive	It costs about $2,227 for flights to Portland from Sydney in December
MOST POPULAR MONTH TO FLY TO PORTLAND FROM SYDNEY	May	635% more users visited	More momondo users searched in flights to Portland from Sydney in May than any other month

Best One-Way Price	$824
Best Round-Trip Price	$1,035
Fastest flight time	22h 53m
Popular in	April

$824 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 4/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Australia to Portland

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

momondo Fare Finder

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

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?

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

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

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

How long does it take to fly to Portland?

On average, it takes 18h 29m 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 25m.

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

Best Round-Trip Price

Fastest flight time

Popular in

Frequently asked questions about flying to Portland

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

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

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

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

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

Why use momondo?

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

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

How can momondo help me find flights to Portland?

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portland

Popular Flights to Portland

Popular routes according to searches in the past day on momondo