Cheap Flights from Washington, D.C. to Adelaide
No deal from Washington, D.C. to Adelaide has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Washington, D.C. to Adelaide, the lowest round-trip fare we recorded was $1299, in September. The typical fare was $1355. September was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $1341 on Air New Zealand and United, seen Oct 17. It is an unverified observation and may have changed.
See every deal <a href="/from/washington-dc">from Washington, D.C.</a>, <a href="/to/adelaide">to Adelaide</a>, or the return direction <a href="/from/adelaide/to/washington-dc">Adelaide to Washington, D.C.</a>.
Latest price we saw: Washington, D.C. 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 |
|---|---|---|---|---|---|---|
| Washington, D.C. (IAD) to Adelaide (ADL) | $1341 | 6.4¢ | Nov 9 – Nov 15 | Air New Zealand and United | Oct 17 | Check price |
Price history: Washington, D.C. to Adelaide
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $1341 | $1346 | 9 |
| Sep 2026 | $1299 | $1348 | 19 |
| Aug 2026 | $1304 | $1371 | 32 |
Frequently asked questions
How many flight deals from Washington, D.C. to Adelaide are on Sparkflights right now?
There are 0 verified deals from Washington, D.C. to Adelaide on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Washington, D.C. to Adelaide?
The lowest fare we've recorded from Washington, D.C. to Adelaide is $1299, based on 60 price observations over 3 months.
How much does a flight from Washington, D.C. to Adelaide cost?
The typical round-trip fare we observed from Washington, D.C. to Adelaide is $1355, against a recorded low of $1299. These are observations, not quotes.
When is the cheapest month to fly Washington, D.C. to Adelaide?
September was the cheapest month we observed from Washington, D.C. to Adelaide and October the dearest, over 3 months of data.
What is the current price from Washington, D.C. to Adelaide?
The most recent fare our sweep saw from Washington, D.C. to Adelaide is $1341, on Oct 17. It is an unverified observation rather than a verified deal, so check it before booking.