Cheap Flights from Washington Dulles to Perth

Compare Washington Dulles to Perth flight deals

Find the cheapest month or even day of the year to fly to Perth

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Flight deals from Washington Dulles to Perth

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Perth Airport? If you want to travel next month, return fares start from $4,267. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Dulles to Perth

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Perth flights are currently cheapest in November.

Washington Dulles to Perth: Alternative routes

Compare routes from Washington Dulles to Perth below. You may find an airport to fly into that's cheaper, faster, or easier than Perth.

Washington D.C. to Perth: Flight information

The things to know before you go.
Cheapest flight found$3,586
Cheapest month to flyNovember

Finding cheap flights from Washington Dulles to Perth: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Perth is $3,586. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Washington Dulles to Perth. But we found flights with one or more stops from $3,586.
As of June 2026, there are no flights flying from Washington Dulles to Perth.
The cheapest month to fly from Washington Dulles to Perth is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Perth Airport on Tuesday, 3 November 2026.
No airlines currently offer direct flights between Washington Dulles Airport and Perth Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Perth but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Perth is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Qatar Airways offers the cheapest flight tickets to Perth.

Flying from Washington Dulles Airport (IAD) to Perth Airport (PER): what you need to know

  • Perth is 13 hours ahead of Washington DC and observes the UTC+8 timezone.

  • Get to the airport on time so you don't miss your IAD to PER flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • You'll likely experience longer lines in popular months like July. Arriving up to four hours in advance for an international flight and two hours for a domestic departure will give you ample time for security and boarding.

  • Consider adding a stopover when booking your ticket from Washington Dulles Airport to Perth Airport. Simply uncheck 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Check out these options between IAD and PER:

    • London Heathrow Airport

    • Dubai Airport

    • Paris Charles de Gaulle Airport

How to find the cheapest flights from Washington Dulles Airport (IAD) to Perth Airport (PER)

  • Currently, $1,844 is the lowest price we've found for a one-way Washington Dulles Airport to Perth Airport flight. The best price for a return ticket is $3,586. Remember that fares may change due to availability when booking.

  • Don't leave everything to the last moment. You're more likely to find cheap tickets from IAD to PER if you book early. Airlines often have some amazing early bird deals.

  • Finding cheap flights from Washington Dulles Airport to Perth Airport is easy if you're flexible with your trip dates. Use the 'Whole month' search function to see the lowest fares across the month and snap up a great deal.

  • You won't have to check back in every day to see if fares have gone down when you create a Price Alert. We'll let you know as soon as there's a new deal on cheap flights from IAD to PER.

  • Pick your preferred arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Washington Dulles Airport to Perth Airport.

Handy information about Washington Dulles Airport (IAD)

  • IAD is located at 1 Saarinen Circle.

  • When it comes to the on-time performance of Washington Dulles Airport, 77% of flights arrive within the scheduled timeframe.

  • Washington Dulles Airport is about 40 kilometres from central Washington DC. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 45 minutes or so to get there, depending on the traffic.

  • Planning to take public transport? You can expect a journey time of around 1 hour 10 minutes.

  • Catching an early flight from Washington Dulles Airport to Perth Airport? Avoid rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels close to IAD:

Arriving at Perth Airport (PER)

Getting from Perth Airport (PER) to central Perth

  • From Perth Airport, Perth is approximately 11 kilometres away. It takes around 20 minutes to get to the centre driving.

  • Travelling to the centre on public transport takes roughly 25 minutes.

When to fly to Perth Airport (PER)

  • July is the most popular month for flights from Washington Dulles Airport to Perth Airport. To steer clear of the crowds, visit Perth in March.

  • When reserving your flight from Washington Dulles Airport to Perth Airport, think about the kind of weather you enjoy. February is the warmest month in Perth, with the temperature ranging from 18ºC to 32ºC.

  • Look for cheap tickets from IAD to PER in July if you like cooler conditions. Temperatures are at their lowest then, ranging between 9ºC and 18ºC on average.

Explore more of Australia

  • You've done Perth, now it's time to discover other corners of Australia. Journey about 40 kilometres south to Rockingham to tick off its top attractions. From Penguin Island to Rockingham Wild Encounters and Penguin Island Sand Bar, you'll have a packed itinerary ahead.

  • If you're looking to explore another major destination in Australia, consider Mandurah, roughly 64 kilometres south of Perth. Silver Sands Beach, Yalgorup National Park and Town Beach are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.