NZ$1,950 Cheap Flights Washington to Perth (IAD-PER)

Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight from Dulles Intl. Airport to Perth Airport (PER) was . Cheap tickets don't hang around forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.

Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for IAD to Perth Airport (PER) flights, you'll see a "no change fees" filter for you to select.

With a flight distance of 18 600 kilometres between Chantilly and Perth, this is a long trip. Be sure to stay hydrated and move your feet and legs every so often.

If you want to travel straight from Washington Dulles Intl. Airport (IAD) to Perth Airport (PER), you'll need to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports.

Flight prices are constantly going up and down, so not always. While last-minute deals between IAD and Perth Airport are possible, it also makes sense to keep an eye on prices well before you fly. In fact, some carriers announce their prices up to 12 months prior to the departure date. Expedia is constantly updating the biggest airfare bargains around, so keep checking and be ready to lock in your seat when the price is right.