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$976 Cheap Flights from Washington (IAD) to Perth (PER)

View $976 flight on Sat, Mar 6, 2027Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Perth Airport (PER)

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Cheap Flights from Washington to Perth (IAD-PER)

Prices were available within the past 7 days and start at $976 for one-way flights and $1,454 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Wed, Sep 23 - Wed, Oct 7
IAD
Washington
PER
Perth
$1,454 Roundtrip, found 3 days ago
$1,454
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Sep 23 from Washington to Perth, returning Wed, Oct 7, priced at $1,454 found 3 days ago
Lufthansa
Wed, Mar 10 - Tue, Mar 23
IAD
Washington
PER
Perth
$1,459 Roundtrip, found 11 hours ago
$1,459
Roundtrip
found 11 hours ago
Select Lufthansa flight, departing Wed, Mar 10 from Washington to Perth, returning Tue, Mar 23, priced at $1,459 found 11 hours ago
Lufthansa
Sun, Aug 30 - Fri, Oct 9
IAD
Washington
PER
Perth
$1,459 Roundtrip, found 1 day ago
$1,459
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sun, Aug 30 from Washington to Perth, returning Fri, Oct 9, priced at $1,459 found 1 day ago
Lufthansa
Mon, Oct 26 - Mon, Nov 9
IAD
Washington
PER
Perth
$1,462 Roundtrip, just found
$1,462
Roundtrip
just found
Select Lufthansa flight, departing Mon, Oct 26 from Washington to Perth, returning Mon, Nov 9, priced at $1,462 just found
Austrian Airlines
Mon, Oct 26 - Mon, Nov 9
IAD
Washington
PER
Perth
$1,466 Roundtrip, just found
$1,466
Roundtrip
just found
Select Austrian Airlines flight, departing Mon, Oct 26 from Washington to Perth, returning Mon, Nov 9, priced at $1,466 just found
Lufthansa
Sun, Aug 23 - Tue, Sep 8
IAD
Washington
PER
Perth
$1,597 Roundtrip, found 2 days ago
$1,597
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sun, Aug 23 from Washington to Perth, returning Tue, Sep 8, priced at $1,597 found 2 days ago
Air Canada
Mon, Oct 26 - Mon, Nov 9
IAD
Washington
PER
Perth
$1,773 Roundtrip, just found
$1,773
Roundtrip
just found
Select Air Canada flight, departing Mon, Oct 26 from Washington to Perth, returning Mon, Nov 9, priced at $1,773 just found
Cathay Pacific
Mon, Apr 12 - Tue, Apr 27
IAD
Washington
PER
Perth
$1,838 Roundtrip, found 3 days ago
$1,838
Roundtrip
found 3 days ago
Select Cathay Pacific flight, departing Mon, Apr 12 from Washington to Perth, returning Tue, Apr 27, priced at $1,838 found 3 days ago
Qatar Airways
Thu, Apr 29 - Mon, May 10
IAD
Washington
PER
Perth
$1,968 Roundtrip, found 5 days ago
$1,968
Roundtrip
found 5 days ago
Select Qatar Airways flight, departing Thu, Apr 29 from Washington to Perth, returning Mon, May 10, priced at $1,968 found 5 days ago
American Airlines
Wed, Mar 10 - Tue, Mar 23
IAD
Washington
PER
Perth
$2,125 Roundtrip, found 11 hours ago
$2,125
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Wed, Mar 10 from Washington to Perth, returning Tue, Mar 23, priced at $2,125 found 11 hours ago

Alternative airports near Perth

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Perth Airport PER. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $2,288
PER
Perth Airport
CheapestClosest
Average driving time to city center14 min
Flights from $2,288

What you need to know for your flight from Washington Dulles Intl. to Perth

Washington (IAD) to Perth (PER) at a glance

Travel on a variety of airlines offering routes from Washington Dulles International Airport (IAD) to Perth Airport (PER) for your international long-haul journey. Explore your options for Perth flights, ranging from full-service carriers to budget-friendly choices, helping you find the itinerary that aligns with your budget, schedule, and travel plans. Discover key details for flights from Washington to Perth as you prepare to explore the city's renowned attractions and vibrant neighborhoods.

  • Fastest flight duration: around 23h 45m in-flight, plus roughly 3 hours layover with one stop
  • Route distance: roughly 11,500 miles (18,510 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $645–$1895, depending on seasonality and how far ahead you book

Flights from Washington Dulles International Airport (IAD) to Perth Airport (PER)

Based on the latest traveler bookings, here are the top airlines flying from Washington to Perth, commonly favored for one-stop and multi-stop journeys. Popular layover options include Hamad International Airport (DOH) with a layover of about 3 hours and 30 minutes, and Dubai International Airport (DXB), which offers a shorter layover of approximately 1 hour and 45 minutes. These choices allow you to customize your itinerary based on price, total travel time, and cabin class preferences.

  • Qatar Airways: Known for its comprehensive service, this airline provides one-stop flights with one-way fares generally falling between $1210 and $1835. It makes up around 26% of departures for this route, featuring a flight duration of 23 hours 45 minutes and an overall travel time of about 27 hours, including layovers.
  • Emirates: This full-service airline also offers one-stop journeys, with one-way ticket prices typically ranging from $1320 to $2240. Emirates accounts for approximately 21% of flights on this route, with an in-flight duration of 23 hours 45 minutes and a total trip time of roughly 27 hours, factoring in layover time.
  • Qantas Airways: Providing a multi-stop service, Qantas offers one-way fares that usually range from $645 to $1250. This airline represents about 21% of departures on this route, with a flight time of 25 hours 45 minutes and an estimated total journey time of around 32 hours 15 minutes, including layovers.

Alternative route from Washington (IAD) to Perth (PER)

  • Washington to Perth (DCA-PER): Ronald Reagan Washington National Airport (DCA) is located approximately 23 miles from Washington Dulles International Airport (IAD), offering travelers a convenient option for their journey to Perth.

How to find the best prices for flights from Washington (IAD) to Perth (PER)

Getting some of the best deals on flights from Washington to Perth is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Departures in the afternoon (12pm-6pm) usually offer lower prices, although evening flights (6pm-12am) are more popular. Additionally, flying on Sundays generally provides cheaper options, while Tuesday is the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Perth Airport from Washington Dulles International Airport

Perth welcomes travelers from Washington with a range of transport options based on price, convenience, and proximity. For departures, Washington Dulles International Airport is roughly a 40-minute drive (covering about 29 miles) from central Washington. Here's how to reach Perth efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Perth, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Perth Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Perth Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Perth Airport, getting around is convenient, with the Perth Seaport located just 0.1 miles away on foot. For those traveling by car, Bassendean Ashfield Station, a train station, is approximately 3.1 miles from the airport, while Barrack Street Jetty Ferry Terminal, a ferry terminal, is about 7.9 miles away.

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER) cost?
You can find cheap one-way flights from $976 and cheap return flights from $1,454 Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER) with Expedia. One-way flights generally range between $1393 and $8655, and roundtrip flights usually range from $3355 to $14093. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER)?
The cheapest month to fly from IAD to PER is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER)?
Enter IAD to PER and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER)?
Delta is one of the cheapest airlines offering connecting flights from Washington Dulles Intl. (IAD) to Perth (PER), with round-trip tickets starting from around $3502. This flight has a layover in John F. Kennedy Intl. (JFK). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from IAD to PER. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER)?
The most popular departure times for flights from Washington Dulles International Airport (IAD) to Perth (PER) are from noon to 3pm. About 29% of passengers prefer this time window. Many major carriers, including United Airlines, Qatar Airways, and American Airlines, offer flights during this period. This timing works well because it allows you to have a leisurely morning before your flight.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER)?
Flying from IAD to PER with a connection usually takes about 24 hours 50 minutes, traveling roughly 11,542 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER)?
Business class is available on flights from IAD to PER. Airlines that offer business class service on this route include:

  • Qatar Airways
  • British Airways
  • Emirates
  • American Airlines
  • United Airlines
  • Aer Lingus

First class is available with Emirates and United Airlines.
How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER) Perth Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Perth, WA (PER) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Perth
Airlines serving
Air Canada, Air New Zealand, All Nippon Airways, American Airlines, Austrian Airlines, British Airways, Cathay Pacific, Emirates, Etihad Airways, JetBlue Airways, Lufthansa, Malaysia Airlines, Qantas Airways, Qatar Airways, Swiss International Air Lines, United
Roundtrip price
$1,453
Distance
11540 mi

Book with confidence

Washington to Perth Flights

The cheapest times to fly from Washington to Perth

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Perth are during the month of September. You can find some of the cheapest flights from Washington to Perth with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Perth

Sunday is one of the best days to book for cheap flights from Washington to Perth: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Perth

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Perth in 2026. You can also book with separate airlines for your outbound and return journeys, from $976 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Perth flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Perth airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Perth Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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