Cheap Flights from Portland to Adelaide
No deal from Portland to Adelaide has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Portland to Adelaide, the lowest round-trip fare we recorded was $960, in August. The typical fare was $1041. August was the cheapest month we saw and July the dearest.
The most recent price we saw on this route was $1079 on Air Canada, Qantas, and Virgin Australia, seen Oct 16. It is an unverified observation and may have changed.
See every deal <a href="/from/portland">from Portland</a>, <a href="/to/adelaide">to Adelaide</a>, or the return direction <a href="/from/adelaide/to/portland">Adelaide to Portland</a>.
Latest price we saw: Portland to Adelaide
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Portland (PDX) to Adelaide (ADL) | $1079 | 6.5¢ | Oct 25 – Nov 2 | Air Canada, Qantas, and Virgin Australia | Oct 16 | Check price |
Price history: Portland to Adelaide
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $1062 | $1066 | 5 |
| Sep 2026 | $961 | $1011 | 18 |
| Aug 2026 | $960 | $1007 | 25 |
| Jul 2026 | $1082 | $1082 | 1 |
Frequently asked questions
How many flight deals from Portland to Adelaide are on Sparkflights right now?
There are 0 verified deals from Portland to Adelaide on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Portland to Adelaide?
The lowest fare we've recorded from Portland to Adelaide is $960, based on 49 price observations over 4 months.
How much does a flight from Portland to Adelaide cost?
The typical round-trip fare we observed from Portland to Adelaide is $1041, against a recorded low of $960. These are observations, not quotes.
When is the cheapest month to fly Portland to Adelaide?
August was the cheapest month we observed from Portland to Adelaide and July the dearest, over 4 months of data.
What is the current price from Portland to Adelaide?
The most recent fare our sweep saw from Portland to Adelaide is $1079, on Oct 16. It is an unverified observation rather than a verified deal, so check it before booking.