Trip.com
>
Flights
>
Flights to Australia
>
Flights to Western Australia
>
Flights to Perth
Hotels in Perth
>
Flights from Washington D.C. to Perth

Flight Info | Washington D.C. to Perth

The distance between Washington D.C. and Perth is approximately 18,608.75 km. Based on Trip.com's data, travel demand peaks in July.

Cheapest one-way
$1,532
All Nippon Airways All Nippon Airways WAS-PER 43h 45m · 1 stop Tue, Sep 22
Select flight
Cheapest round-trip
$1,982
Qatar Airways Qatar Airways WAS-PER 33h 35m · 2 stops Fri, Aug 21 - Fri, Aug 28
Select flight
Recommended airlines
All Nippon Airways All Nippon Airways Cheapest · From $1,532 Qatar Airways Qatar Airways Most booked
When to travel
September
Cheapest
July
Peak season for travel
Route details
18,608.75 km
Flight distance

Find flight deals from Washington D.C. to Perth for the next 3 months. Book one way flights from $1,532 or round trip flights from $1,982.

      • IAD 9:00 PM
        33h 35m
        1 stop
        PER 6:35 PM
        Washington D.C. - Perth | Fri, Aug 21 | Qatar Airways
        PER 10:45 PM
        28h 55m
        1 stop
        IAD 3:40 PM
        Perth - Washington D.C. | Fri, Aug 28 | Qatar Airways
        $1,982 $2,914
        32% off
        32% off
        $2,914 $1,982
      • IAD 9:00 PM
        33h 35m
        1 stop
        PER 6:35 PM
        Washington D.C. - Perth | Fri, Aug 21 | American Airlines
        PER 10:45 PM
        28h 55m
        1 stop
        IAD 3:40 PM
        Perth - Washington D.C. | Fri, Aug 28 | Qatar Airways
        $2,183 $2,914
        25% off
        25% off
        $2,914 $2,183
      • IAD 9:00 PM
        33h 35m
        1 stop
        PER 6:35 PM
        Washington D.C. - Perth | Wed, Aug 19 | Qatar Airways
        PER 10:45 PM
        28h 55m
        1 stop
        IAD 3:40 PM
        Perth - Washington D.C. | Wed, Aug 26 | Qatar Airways
        $2,249 $2,914
        23% off
        23% off
        $2,914 $2,249
      • IAD 10:55 AM
        42h 40m
        1 stop
        PER 5:35 PM
        Washington D.C. - Perth | Tue, Sep 1 | Emirates
        PER 10:20 PM
        46h 20m
        1 stop
        IAD 8:40 AM
        Perth - Washington D.C. | Tue, Sep 8 | Emirates
        $2,468
        15% off
        $2,914 $2,468
      • IAD 10:55 AM
        42h 40m
        1 stop
        PER 5:35 PM
        Washington D.C. - Perth | Tue, Sep 8 | Emirates
        PER 10:20 PM
        46h 20m
        1 stop
        IAD 8:40 AM
        Perth - Washington D.C. | Tue, Sep 15 | Emirates
        $2,483
        15% off
        $2,914 $2,483
      • IAD 10:55 AM
        42h 40m
        1 stop
        PER 5:35 PM
        Washington D.C. - Perth | Mon, Sep 14 | Emirates
        PER 10:20 PM
        46h 20m
        1 stop
        IAD 8:40 AM
        Perth - Washington D.C. | Mon, Sep 21 | Emirates
        $2,502
        14% off
        $2,914 $2,502
      • IAD 10:55 AM
        42h 40m
        1 stop
        PER 5:35 PM
        Washington D.C. - Perth | Wed, Sep 9 | Emirates
        PER 10:20 PM
        46h 20m
        1 stop
        IAD 8:40 AM
        Perth - Washington D.C. | Wed, Sep 16 | Emirates
        $2,526
        13% off
        $2,914 $2,526
      • IAD 10:55 AM
        42h 40m
        1 stop
        PER 5:35 PM
        Washington D.C. - Perth | Sat, Sep 5 | Emirates
        PER 10:20 PM
        46h 20m
        1 stop
        IAD 8:40 AM
        Perth - Washington D.C. | Sat, Sep 12 | Emirates
        $2,533
        13% off
        $2,914 $2,533
      • IAD 10:55 AM
        42h 40m
        1 stop
        PER 5:35 PM
        Washington D.C. - Perth | Mon, Aug 31 | Emirates
        PER 10:20 PM
        46h 20m
        1 stop
        IAD 8:40 AM
        Perth - Washington D.C. | Mon, Sep 7 | Emirates
        $2,534
        13% off
        $2,914 $2,534
      • IAD 10:55 AM
        42h 40m
        1 stop
        PER 5:35 PM
        Washington D.C. - Perth | Tue, Aug 25 | Emirates
        PER 10:20 PM
        46h 20m
        1 stop
        IAD 8:40 AM
        Perth - Washington D.C. | Tue, Sep 1 | Emirates
        $2,535
        13% off
        $2,914 $2,535
      • WAS 1:00 PM
        17h 25m
        1 stop
        PER 2:00 PM
        Washington D.C. - Perth | Wed, Aug 12 | Normal Airline
        PER 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Perth - Washington D.C. | Fri, Aug 14 | Normal Airline
        Find more flights
        Find more flights
      • IAD 12:15 PM
        43h 45m
        1 stop
        PER 8:00 PM
        Washington D.C. - Perth | Tue, Sep 22 | All Nippon Airways
        $1,532 $2,121
        28% off
        28% off
        $2,121 $1,532
      • IAD 12:15 PM
        43h 45m
        1 stop
        PER 8:00 PM
        Washington D.C. - Perth | Thu, Sep 24 | All Nippon Airways
        $1,561 $2,121
        26% off
        26% off
        $2,121 $1,561
      • IAD 10:55 AM
        42h 40m
        1 stop
        PER 5:35 PM
        Washington D.C. - Perth | Wed, Sep 23 | Emirates
        $1,789 $2,121
        16% off
        16% off
        $2,121 $1,789
      • IAD 10:55 AM
        42h 40m
        1 stop
        PER 5:35 PM
        Washington D.C. - Perth | Tue, Sep 22 | Emirates
        $1,820
        14% off
        $2,121 $1,820
      • IAD 10:55 AM
        42h 40m
        1 stop
        PER 5:35 PM
        Washington D.C. - Perth | Thu, Sep 24 | Emirates
        $1,845
        13% off
        $2,121 $1,845
      • WAS 1:00 PM
        17h 25m
        1 stop
        PER 2:00 PM
        Washington D.C. - Perth | Wed, Aug 12 | Normal Airline
        Find more flights
        Find more flights

Popular airlines from Washington D.C. to Perth

You can choose from 1 airlines that fly from Washington D.C. to Perth, including Qatar Airways, All Nippon Airways has lowest fares on this route.
Qatar Airways logo Qatar Airways
Airlines are determined based on actual purchased flight tickets from Washington D.C. to Perth according to previous 12 months data from Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Washington D.C. to Perth (WAS-PER)?

    Based on Trip.com data, All Nippon Airways offers one-way fares as low as $1,532 on Cheapest nonstop routes (e.g. IAD to PER on Tue, Sep 22), while Qatar Airways offers Cheapest nonstop round-trips from $1,982 departing on Fri, Aug 21 and returning on Fri, Aug 28.
  • At the moment, you can catch a nonstop flight from Washington D.C. to Perth with the following airlines, including: Qatar Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Washington D.C. to Perth is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Washington D.C. to Perth, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Sep 22, with one-way flights priced at just $1,532.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is All Nippon Airways.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Perth travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Washington D.C. to Perth is September, when demand for travel is lower.
  • After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Washington D.C. to Perth on August 13, 2026 with Qatar Airways, with prices starting at $1,467.
  • You can land at any one of the following hubs in Perth, with Dulles International Airport to Perth Airport (IAD-PER) is by far the most common option on this route: Perth Airport (PER) Jandakot Airport (JAD).
  • The time difference between Perth and Washington D.C. is 13h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Washington D.C. to Perth is $2,169. Fares vary by travel date, airline and availability.
  • Enter Washington D.C. and Perth, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.