Washington DC to Adelaide flights (IAD → ADL)
Looking for Washington DC to Adelaide flights? Cheapest round-trip I’ve found: US$2,504 on Air Canada, 3 stop(s), departing 2026-10-15. That’s US$161 below the typical price for this route. Cheap flights from Washington DC to Adelaide change daily — I re-check this route three times a day.
Deal score: Higher than usual — cheaper than 20% of prices I’ve seen on this route.
Best months to fly Washington DC to Adelaide
| Month | Cheapest seen |
|---|---|
| December | US$1,446 |
| October | US$2,138 |
How to book this fare
I don’t sell tickets — I track prices and point you to where to look. To book Washington DC to Adelaide flights:
- Search Washington DC to Adelaide on Google Flights for the dates shown above (Oct 2026) — the fare I found is usually still available there.
- Compare the same dates on metasearch sites like Skyscanner or KAYAK to confirm you’re seeing the lowest price.
- Book directly with the airline when you can — it’s often the same price and makes changes or cancellations much easier.
Fares change constantly. If the price has moved, check back — I re-check this route daily.
Other Washington DC to … flights
- Washington DC to Brisbane flights — US$1,427
- Washington DC to Perth flights — US$1,636
- Washington DC to Cairns flights — US$2,090
- Washington DC to Paris flights — US$669
- Washington DC to Christchurch flights — US$1,773
- Washington DC to Sydney flights — US$1,469
- Washington DC to Nadi flights — US$1,414
- Washington DC to Cancun flights — US$367
All flights to Adelaide · All flights from Washington DC
Prices last checked: 2026-09-24, 10:17:23 p.m.. Prices are indicative and change quickly — confirm on the airline site before booking. See how I find these deals.