Question 1

What are the cheapest airlines flying from Sydney to Portland round-trip?

Accepted Answer

Currently priced at $1,525, American Airlines will fly you from Sydney to Portland and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air New Zealand and Air Canada - these airlines can fly you to your destination from $1,546 and $1,583, respectively. These flights start at 13% lower than the current average price 3 months from now. Find deals

Question 2

What are the cheapest airlines to fly from Sydney to Portland one-way?

Accepted Answer

To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $871. Delta flights start at $932 while deals on Qantas Airways start at $978 one-way. Find deals

Question 3

How far ahead should I book a flight from Sydney to Portland?

Accepted Answer

Booking 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Portland. The general trend is that the closer you book to the departure date, the more expensive your flight will be. Find deals

Question 4

What is the cheapest month to book a flight from Sydney to Portland?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Sydney to Portland (average of $908). Flying from Sydney to Portland in December is currently the most expensive (average of $1,407). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options. Find deals

Question 5

What is the cheapest day to fly from Sydney to Portland?

Accepted Answer

Travellers seeking maximum savings on their Sydney to Portland flight should consider departing on Sunday at midday when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

E

Accepted Answer

In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

Question 7

E

Accepted Answer

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Question 8

What are the most popular airlines that fly from Sydney to Portland?

Accepted Answer

The most popular airlines flying from Sydney to Portland are Air Canada, Alaska Airlines and Delta. Something to consider prior to booking your flight.

Question 9

What is the cheapest day to fly return from Sydney to Portland?

Accepted Answer

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 29% on your flight compared to booking on days when demand is much higher.

Question 10

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

Accepted Answer

Travellers have found it’s best to book a flight 39 days in advance to save up to 101% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 39 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Sydney to Portland 1-2 weeks in advance for as low as $1,502, or $2,294 for flights within the next 24 hours.

Question 11

What is the cheapest month to fly from Sydney to Portland?

Accepted Answer

October is one of the best times of the year to fly to Portland from Sydney. Prices for October average $1,768 per person but you can even find prices for as low as $1,236. The most expensive prices can be found in the month of December. Opting for a October flight can save you 29% on your journey compared to booking in December

Question 12

What is the cheapest time of day to fly from SYD to PDX?

Accepted Answer

When flying from Sydney to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 50% versus a flight in the evening.

Question 13

Can I find deals for flights from Sydney to Portland that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Sydney to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 14

How can I find direct flights from Sydney to Portland?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Portland.

Question 15

Can I find deals for business class flights from Sydney to Portland?

Accepted Answer

Yes. Cheapflights offers flight deals from Sydney to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 16

How does Cheapflights help users find flights from Sydney to Portland?

Accepted Answer

Cheapflights helps you search for flights from Sydney to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 17

Why should you use Cheapflights to find cheap flight tickets from Sydney to Portland?

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Sydney to Portland for you. Better yet — we are completely free to use.

Question 18

Can Cheapflights find flights from Sydney to Portland with no change fees?

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sydney to Portland, users can toggle the no change fees filter when performing a flight search.

Question 19

Can Cheapflights notify me if prices for flights from Sydney to Portland become cheaper?

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portland from Sydney today and book when prices fit your budget.

Round-trip from	$1,498
One-way from	$871
Popular in	December
Cheapest in	October
Average price	$1,909

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$978	Average$1,861	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Hawaiian Airlines	Cheapest$1,219	Average$2,011	FlexibilityNo cancel fee	On-time85%	Search Hawaiian Airlines flights
Air Canada	Cheapest$1,290	Average$1,617	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Alaska Airlines	Cheapest$1,321	Average$1,919	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Air New Zealand	Cheapest$1,371	Average$1,501	FlexibilityNo cancel fee	On-time78%	Search Air New Zealand flights
Qantas Airways	Cheapest$1,374	Average$1,615	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
Virgin Australia	Cheapest$1,387	Average$2,534	FlexibilityNo cancel fee	On-time80%	Search Virgin Australia flights
Delta	Cheapest$1,546	Average$1,708	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

Cheap flights from Sydney to Portland from $871

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Portland are usually found in October or March, booked 38 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Sydney to Portland

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Find flight deals from Sydney to Portland

Cheapest flights from Sydney to PortlandExplore the most affordable flight options available from Sydney to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Explore the most affordable flight options available from Sydney to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Sydney to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Sydney with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Portland

How far ahead should I book a flight from Sydney to Portland?

Use this chart to determine the optimal time to book a return flight from Sydney to Portland. Price data was last updated on 27 June 2025.

What is the cheapest month to book a flight from Sydney to Portland?

What is the cheapest time of day to fly from SYD to PDX?

Find hourly flight availability from Sydney to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.

How much does it cost for a return flight from Sydney to Portland?

Reviews of airlines servicing Portland

Read reviews from past customers who have flown with Air Tahiti Nui, Alaska Airlines, andDelta from Sydney to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Sydney to Portland round-trip?

What are the cheapest airlines to fly from Sydney to Portland one-way?

Can I find deals for flights from Sydney to Portland that include hotel bookings?

How can I find direct flights from Sydney to Portland?

Can I find deals for business class flights from Sydney to Portland?

What is the cheapest month to book a flight from Sydney to Portland?

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Complete your trip to Portland by adding a car hire and/or hotel booking to your travel itinerary.

Top 8 airlines flying from Sydney to Portland

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How does Cheapflights help users find flights from Sydney to Portland?

Why should you use Cheapflights to find cheap flight tickets from Sydney to Portland?

Can Cheapflights find flights from Sydney to Portland with no change fees?

Can Cheapflights notify me if prices for flights from Sydney to Portland become cheaper?

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Cheapest flights from Sydney to Portland
Explore the most affordable flight options available from Sydney to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.