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 2 days prior to their departure date, when tickets on average are $1,461. 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 $899 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 Alaska Airlines. 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 33 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 $1,161 (last 72 hours, from Sydney Kingsford Smith, to Portland). Alaska Airlines has a score of 8.0 from 11,882 user reviews on momondo.

Question 8

Delta Flights to Portland

Accepted Answer

$746 is the best return Delta deal to Portland found on momondo in the last few days. The deal departed from Sydney Kingsford Smith. Delta has 33 flights to Portland most weeks, with prices varying by availability. 8,200 momondo users have reviewed Delta, scoring the airline a 7.9/10 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 8 as of February 2026.

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 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 $1,461 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 $1,192 on momondo.

Question 14

How long does it take to fly to Portland?

Accepted Answer

On average, it takes 18h 21m 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 20h 05m.

Question 15

What is the cheapest month to fly to Portland?

Accepted Answer

The cheapest month to fly to Portland from Australia is in January. Flight prices, which tend to average around $1,166, 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 January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,182.

CHEAPEST MONTH TO FLY TO PORTLAND FROM SYDNEY	January	21% cheaper	Flying from Sydney to Portland costs on average just $1,166 in January
MOST EXPENSIVE MONTH TO FLY TO PORTLAND FROM SYDNEY	May	23% more expensive	It costs about $1,798 for flights to Portland from Sydney in May
MOST POPULAR MONTH TO FLY TO PORTLAND FROM SYDNEY	May	575% more users visited	More momondo users searched in flights to Portland from Sydney in May than any other month

Best One-Way Price	$570
Best Round-Trip Price	$1,059
Fastest flight time	21h 22m
Popular in	May

$570 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 3/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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