What is the difference between the most popular and the most frequent airline at Portland?

United Airlines operates the most flights from Australia to Portland at 0 per week, and for this route United Airlines is also the airline most often selected by KAYAK users searching for flights from Australia to Portland. The two are sometimes different because flight volume reflects an airline's schedule, while popularity reflects traveller choice.

Which city has the cheapest flights to Portland?

Based on fares booked in the past 5 days, the cheapest flights to Portland are from Melbourne, starting at $1,735 return.

How do I know if a flight to Portland is a good deal?

A good deal on a flight to Portland is around $1,923 return. This fare is in the lowest 25% of return flight prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

What is the cheapest flight to Portland?

Melbourne Airport to Portland is the cheapest route at $1,735 return, found in the past 5 days on KAYAK. KAYAK data shows this is also the most popular route.

How much is a flight to Portland?

On average, a return flight from Australia to Portland costs $2,377, based on KAYAK data over the past 12 months. Return fares from Melbourne Airport average $2,049, while Brisbane runs a bit higher at $2,209.

What is the cheapest day to fly to Portland?

Friday is the cheapest day to fly to Portland at $1,811 return on average over the past 12 months on KAYAK. Thursday is the most expensive at $3,010.

What is the cheapest time of day to fly to Portland?

Morning flights to Portland are the cheapest at $2,295 return on average. Afternoon flights are the most expensive at $2,993.

What is a good deal for flights to Portland?

Flights under $1,923 are considered a good deal. 25% of KAYAK users found return flights to Portland at or below these prices, with the lowest fares from: •Brisbane $1,559 •Melbourne Airport $1,614.

What are the most popular airlines flying to Portland?

United Airlines is the most popular airline flying to Portland on KAYAK, followed by American Airlines.

$976 CHEAP FLIGHTS to Portland in 2026/27

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Cheapest return flight

$1,735

Typical prices: $1,923-$2,993

United Airlines

Mon 3/12Mon 10/12

MEL - PWM • 2 stops

Cheapest one-way flight

$1,437

Typical prices: $1,504-$1,990

Delta

Sat 24/3

SYD - PWM • 2 stops

Top airlines

United Airlines

Best reviews • 7.3 score

Airline reviews

Top routes

MEL - PWM

Cheapest • 14% average savings

SYD - PWM

Most popular

Insights

When to travel

December

Cheapest • 32% price drop

June

Most popular

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We hope you enjoy your trip to Portland!

Flight Deals

Cheap Flights to Portland

Discover the best prices for you by selecting your travel dates on KAYAK.

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Recent return flight deals to Portland

Thu, 3 Dec - Thu, 10 Dec

12:45 - 23:24MEL Melbourne-PWM Portland

26h 39m2 stops San Francisco Newark

07:00 - 09:30PWM Portland-MEL Melbourne

34h 30m2 stops Newark Los Angeles

$1,735United Airlines

Wed, 2 Dec - Wed, 9 Dec

14:05 - 23:31SYD Sydney Kingsford Smith-PWM Portland

25h 26m2 stops Dallas/Fort Worth Washington, D.C. Reagan-National

12:44 - 09:00PWM Portland-SYD Sydney Kingsford Smith

28h 16m2 stops Chicago O'Hare Intl Los Angeles

$2,267American Airlines

Wed, 2 Dec - Wed, 9 Dec

14:05 - 23:31SYD Sydney Kingsford Smith-PWM Portland

25h 26m2 stops Dallas/Fort Worth Washington, D.C. Reagan-National

15:20 - 12:25PWM Portland-SYD Sydney Kingsford Smith

29h 05m3 stops Newark Los Angeles Melbourne

$2,988Multiple Airlines

Thu, 3 Dec - Thu, 10 Dec

08:00 - 23:19MEL Melbourne-PWM Portland

31h 19m3 stops Sydney Kingsford Smith Los Angeles Philadelphia

12:44 - 12:05PWM Portland-MEL Melbourne

31h 21m3 stops Chicago O'Hare Intl Los Angeles Sydney Kingsford Smith

$3,161Multiple Airlines

Thu, 3 Dec - Thu, 10 Dec

12:00 - 22:48MEL Melbourne-PWM Portland

26h 48m2 stops Dallas/Fort Worth Charlotte Douglas

12:44 - 12:05PWM Portland-MEL Melbourne

31h 21m3 stops Chicago O'Hare Intl Los Angeles Sydney Kingsford Smith

$3,178Multiple Airlines

Wed, 2 Dec - Wed, 9 Dec

19:40 - 10:30SYD Sydney Kingsford Smith-PWM Portland

30h 50m3 stops Melbourne Los Angeles Philadelphia

11:58 - 12:25PWM Portland-SYD Sydney Kingsford Smith

32h 27m3 stops Washington, D.C. Reagan-National Los Angeles Melbourne

$3,234Multiple Airlines

Booking Insights

Price, demand, and travel trends for flights to Portland

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

What is the cheapest flight to Portland?: Melbourne Airport to Portland is the cheapest route at $1,735 return, found in the past 5 days on KAYAK. KAYAK data shows this is also the most popular route.
How much is a flight to Portland? Average and cheapest price for all return flights to Portland from each origin found by users searching on KAYAK in the last 12 months.: On average, a return flight from Australia to Portland costs $2,377, based on KAYAK data over the past 12 months. Return fares from Melbourne Airport average $2,049, while Brisbane runs a bit higher at $2,209.
What is the cheapest day to fly to Portland?: Friday is the cheapest day to fly to Portland at $1,811 return on average over the past 12 months on KAYAK. Thursday is the most expensive at $3,010.
What is the cheapest time of day to fly to Portland? Average price for all return flights depending on time of departure, seen by users on KAYAK in the last 12 months.: Morning flights to Portland are the cheapest at $2,295 return on average. Afternoon flights are the most expensive at $2,993.
What is a good deal for flights to Portland?: Flights under $1,923 are considered a good deal. 25% of KAYAK users found return flights to Portland at or below these prices, with the lowest fares from:
•Brisbane $1,559
•Melbourne Airport $1,614.

Find deals

Low season	February
High season	June
Cheapest flight	$1,437

Beat the crowds with an average 90% drop in traveller numbers.

The most popular month to fly with an average 78% increase in traveller numbers.

One-way flight from Sydney to Portland

When to book flights to Portland

Are your dates flexible? Find out the best times to travel to Portland based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. The information is for flights to Portland based on your location. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

How do I know if a flight to Portland is a good deal?
A good deal on a flight to Portland is around $1,923 return. This fare is in the lowest 25% of return flight prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.
Which city has the cheapest flights to Portland?
Based on fares booked in the past 5 days, the cheapest flights to Portland are from Melbourne, starting at $1,735 return.
What is the difference between the most popular and the most frequent airline at Portland?
United Airlines operates the most flights from Australia to Portland at 0 per week, and for this route United Airlines is also the airline most often selected by KAYAK users searching for flights from Australia to Portland. The two are sometimes different because flight volume reflects an airline's schedule, while popularity reflects traveller choice.

For flights to Portland, a good return fare is around $1,923. If you find a fare below that, you're getting a strong deal.
If your travel dates are flexible, consider flying to Portland in December. Return fares historically average $1,613, making December the cheapest month to travel based on KAYAK data from the last 12 months.
Before you book:

• Check the route's typical price range so you can spot a deal.
• Confirm baggage fees and seat selection costs on budget carriers.
• Verify whether you need any travel documents beyond an ID.
• Pick a departure airport, since your nearest may not be the cheapest origin.
Shift your departure to morning to save up to $698 on a return flight. Morning flights to Portland average $2,295 compared to $2,993 for midday flights.

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Cheap Flights to Portland

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Price, demand, and travel trends for flights to Portland

What is the cheapest flight to Portland?

How much is a flight to Portland?

What is the cheapest day to fly to Portland?

What is the cheapest time of day to fly to Portland?

What is a good deal for flights to Portland?

What are the most popular airlines flying to Portland?

Key details for flights to Portland

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Your questions about flights to Portland, answered

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