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Cheap flights from Adelaide to Portland from $1,718

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Adelaide to Portland departing on 19/1. 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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Find the cheapest flights from Adelaide to Portland

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
13:15 - 09:35
ADL
-
PDX
38h 50m2 stops
Multiple Airlines Logo
21:30 - 12:15
PDX
-
ADL
44h 15m2 stops
$1,718Multiple Airlines
Mon, 19 Jan - Mon, 26 Jan
Multiple Airlines Logo
11:30 - 09:35
ADL
-
PDX
40h 35m2 stops
Multiple Airlines Logo
16:51 - 09:55
PDX
-
ADL
46h 34m3 stops
$2,211Multiple Airlines
Mon, 19 Jan - Mon, 26 Jan
United Airlines Logo
14:55 - 00:39
ADL
-
PDX
28h 14m1 stop
United Airlines Logo
15:50 - 09:30
PDX
-
ADL
23h 10m1 stop
$2,212United Airlines
Mon, 19 Jan - Mon, 26 Jan
Cathay Pacific Logo
09:00 - 13:41
ADL
-
PDX
47h 11m3 stops
Cathay Pacific Logo
17:51 - 07:05
PDX
-
ADL
42h 44m3 stops
$3,043Cathay Pacific
Mon, 19 Jan - Mon, 26 Jan

momondo Fare Finder

 
Customise your flight search to find flights from Adelaide to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 7 December 2025.
Use the filters below to find and compare flights from Adelaide to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Mon 19/1

13:15-09:35

2 stops38h 50m

Portland

Mon 26/1

21:30-12:15

2 stops44h 15m

$1,718

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Mon 19/1

11:30-09:35

2 stops40h 35m

Portland

Mon 26/1

16:51-09:55

3 stops46h 34m

$2,211

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Mon 19/1

14:55-00:39

1 stop28h 14m

Portland

Mon 26/1

15:50-09:30

1 stop23h 10m

$2,212

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Mon 19/1

09:00-13:41

3 stops47h 11m

Portland

Mon 26/1

17:51-07:05

3 stops42h 44m

$3,043

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sun 4/1

18:35-13:47

2 stops37h 42m

$3,410

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sun 4/1

18:30-13:44

2 stops37h 44m

$3,736

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sun 4/1

22:00-17:57

2 stops38h 27m

$3,759

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sun 4/1

07:45-17:11

3 stops27h 56m

$4,472

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sun 4/1

07:45-17:11

3 stops27h 56m

$4,593

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Portland from

How to get the cheapest flight ticket from Adelaide to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

On average, the least expensive day to fly to Portland from Adelaide is on a Thursday. momondo users have found tickets for Thursday departures for as low as $1,629. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Wednesday is the most expensive day to depart from Adelaide because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $1,829.

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

Flying to Portland from Adelaide in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,824 when looking at flights departing in the morning. Flights to Portland are more costly in the afternoon, with an average ticket price of $1,890. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Adelaide to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Adelaide to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Adelaide to Portland (ADL to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Adelaide to Portland

Fastest flight time

22h 41m

Direct flights

None
The fastest flight from Adelaide to Portland takes 22h 41m
There are no direct flights from Adelaide to Portland. There are no popular flight routes from Adelaide to Portland.
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  • How far is Adelaide to Portland by plane?

    Portland is 13302.2 km away from Adelaide. In terms of flight time, this usually takes a little over 21h 23m.

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

    Prices for flights from Adelaide Airport to Portland Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from Adelaide Airport to Portland Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Adelaide Airport to Portland Airport.

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

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Adelaide to Portland?

Best airlines flying from Adelaide to Portland

Compare and see reviews for airlines that fly from Adelaide to Portland with momondo
Airline
Rating
Free cancellation
Price
Qantas AirwaysPriceFrom $1,605Free cancellationRating
7.5
948 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,710Free cancellationRating
7.4
9,075 reviews
Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Adelaide to Portland . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Adelaide to Portland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Adelaide to Portland?

momondo provides multiple filters to help you find the best flight to Portland from Adelaide. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Portland from Adelaide. 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.

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Qantas Airways
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