What is the cheapest airline that flies from Portland to Adelaide?

United Airlines and Qatar Airways are the most popular carriers operating from Portland to Adelaide

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

Prices for flights from Portland Airport to Adelaide Airport refresh daily.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Adelaide Airport.

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

The necessary travel and health documents for your Adelaide Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$805 Cheap Flights from Portland to Adelaide in 2025

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Find the cheapest flights from Portland to Adelaide

Round-trip

One-way

Cheap round-trip flights

5:35 pm - 12:05 pmPDX-ADL

26h 00m2 stops

12:45 pm - 9:16 pmADL-PDX

25h 01m2 stops

$1,033Qantas Airways

Find Deal

Sat, Sep 13 - Sat, Sep 20

7:40 pm - 12:05 pmPDX-ADL

23h 55m2 stops

8:00 pm - 9:21 amADL-PDX

29h 51m2 stops

$1,134

Find Deal

Wed, Aug 27 - Wed, Sep 3

12:35 pm - 10:50 amPDX-ADL

27h 45m2 stops

12:25 pm - 10:19 pmADL-PDX

28h 24m2 stops

$1,309Qantas Airways

Find Deal

Sun, Dec 7 - Tue, Dec 16

7:43 pm - 2:10 pmPDX-ADL

23h 57m2 stops

2:55 pm - 10:46 pmADL-PDX

26h 21m1 stop

$1,394United Airlines

Find Deal

Sun, Dec 7 - Sat, Dec 20

6:00 am - 2:10 pmPDX-ADL

37h 40m3 stops

2:55 pm - 9:02 pmADL-PDX

24h 37m2 stops

$1,398United Airlines

Find Deal

Sun, Dec 7 - Sat, Dec 20

7:05 am - 8:15 amPDX-ADL

30h 40m2 stops

7:55 pm - 9:24 pmADL-PDX

43h 59m2 stops

$1,400

Find Deal

Wed, Dec 10 - Wed, Dec 17

6:05 am - 8:15 amPDX-ADL

33h 40m3 stops

2:55 pm - 10:40 pmADL-PDX

24h 15m2 stops

$1,516Hawaiian Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 20

3:55 pm - 10:55 amPDX-ADL

24h 30m2 stops

11:55 am - 10:46 pmADL-PDX

53h 21m2 stops

$1,744Air New Zealand

Find Deal

Fri, Dec 12 - Fri, Dec 19

2:50 pm - 7:15 pmPDX-ADL

33h 55m3 stops

9:00 am - 6:38 pmADL-PDX

28h 08m3 stops

$1,881Fiji Airways

Find Deal

Wed, Dec 10 - Wed, Dec 17

5:30 pm - 6:25 pmPDX-ADL

30h 25m3 stops

9:00 am - 10:46 pmADL-PDX

32h 16m3 stops

$1,910Fiji Airways

Find Deal

Sun, Jan 11 - Tue, Feb 17

Qantas Airways flights from Portland to Adelaide

Our best Qantas Airways deals on Portland to Adelaide flight tickets

Qantas Airways

Sep 13

PDX5:35 pmPortland

26h 00m

2 stops

ADL12:05 pmAdelaide

Sep 20

ADL12:45 pmAdelaide

25h 01m

2 stops

PDX9:16 pmPortland

$1,033

Find similar

Qantas Airways

Dec 7

PDX12:35 pmPortland

27h 45m

2 stops

ADL10:50 amAdelaide

Dec 16

ADL12:25 pmAdelaide

28h 24m

2 stops

PDX10:19 pmPortland

$1,309

Find similar

Qantas Airways

Dec 9

PDX2:50 pmPortland

25h 30m

2 stops

ADL10:50 amAdelaide

Dec 15

ADL6:30 pmAdelaide

37h 21m

2 stops

PDX1:21 pmPortland

$1,418

Find similar

United Airlines flights from Portland to Adelaide

Our best United Airlines deals on Portland to Adelaide flight tickets

United Airlines

Dec 7

PDX7:43 pmPortland

23h 57m

2 stops

ADL2:10 pmAdelaide

Dec 20

ADL2:55 pmAdelaide

26h 21m

1 stop

PDX10:46 pmPortland

$1,394

Find similar

United Airlines

Dec 7

PDX6:00 amPortland

37h 40m

3 stops

ADL2:10 pmAdelaide

Dec 20

ADL2:55 pmAdelaide

24h 37m

2 stops

PDX9:02 pmPortland

$1,398

Find similar

United Airlines

Dec 7

PDX6:00 amPortland

37h 40m

3 stops

ADL2:10 pmAdelaide

Dec 18

ADL7:15 amAdelaide

26h 01m

2 stops

PDX2:46 pmPortland

$1,416

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sat 9/13

5:35 pm-12:05 pm

2 stops26h 00m

Adelaide

Sat 9/20

12:45 pm-9:16 pm

2 stops25h 01m

$1,033

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Wed 8/27

7:40 pm-12:05 pm

2 stops23h 55m

Adelaide

Wed 9/3

8:00 pm-9:21 am

2 stops29h 51m

$1,134

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 12/7

12:35 pm-10:50 am

2 stops27h 45m

Adelaide

Tue 12/16

12:25 pm-10:19 pm

2 stops28h 24m

$1,309

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 12/7

7:43 pm-2:10 pm

2 stops23h 57m

Adelaide

Sat 12/20

2:55 pm-10:46 pm

1 stop26h 21m

$1,394

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 12/7

6:00 am-2:10 pm

3 stops37h 40m

Adelaide

Sat 12/20

2:55 pm-9:02 pm

2 stops24h 37m

$1,398

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Wed 12/10

7:05 am-8:15 am

2 stops30h 40m

Adelaide

Wed 12/17

7:55 pm-9:24 pm

2 stops43h 59m

$1,400

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sat 9/13

6:05 am-8:15 am

3 stops33h 40m

Adelaide

Sat 9/20

2:55 pm-10:40 pm

2 stops24h 15m

$1,516

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Fri 12/12

3:55 pm-10:55 am

2 stops24h 30m

Adelaide

Fri 12/19

11:55 am-10:46 pm

2 stops53h 21m

$1,744

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Wed 12/10

2:50 pm-7:15 pm

3 stops33h 55m

Adelaide

Wed 12/17

9:00 am-6:38 pm

3 stops28h 08m

$1,881

PortlandAdelaide

PDX - ADL

PDXADL

Portland

Sun 1/11

5:30 pm-6:25 pm

3 stops30h 25m

Adelaide

Tue 2/17

9:00 am-10:46 pm

3 stops32h 16m

$1,910

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Adelaide

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

Prices

Airlines

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

The cheapest day to depart on your flight to Adelaide is on a Monday when prices can be found for as low as $1,455. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Adelaide is Sunday, with ticket prices averaging around $1,547.

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

According to our data, the cheapest time of day to fly to Adelaide is in the afternoon. momondo users have found flights departing from Portland to Adelaide in the afternoon for as low as $1,279. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Adelaide are more costly in the evening, with an average ticket price of $1,590. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Portland to Adelaide

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

Estimated round-trip price

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

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

Best Price Found	$805
Fastest flight time	19h 17m
Direct flights	None
Airports in Adelaide	1 airport

The best one-way flight to Adelaide from Portland in the past 72 hours is $805. The best round-trip flight deal from Portland to Adelaide found on momondo in the last 72 hours is $1,033.

The fastest flight from Portland to Adelaide takes 19h 17m

There are no direct flights from Portland to Adelaide. Popular non-direct route for this connection is Portland Airport - Adelaide Airport.

There is 1 airport near Adelaide: Adelaide (ADL)

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How far is Portland to Adelaide by plane?
There are 8265.6 mi between Portland and Adelaide. Flights usually cover this in 19h 17m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Portland Airport to Adelaide Airport?
Prices for flights from Portland Airport to Adelaide Airport refresh daily.
How old do you have to be to fly from Portland Airport to Adelaide Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Adelaide Airport.
What documentation or ID do you need to fly to Adelaide Airport?
The necessary travel and health documents for your Adelaide Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Adelaide. momondo saves you time and could save you money on your trip.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Adelaide.

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

If you are not ready to book a flight from Portland to Adelaide now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Adelaide and let you know when they change.