Find cheap airlines flights from Perth to Washington D.C.

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

Find flight deals from Perth to Washington D.C. for the next 3 months. Book one way flights from $1,290 or round trip flights from $1,965.

Displayed flight fares from Perth to Washington D.C. are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | Perth to Washington D.C.

The distance between Perth and Washington D.C. is approximately 18,608.75 km. Based on Trip.com's data travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight price$1,290
Cheapest round-trip ticket price$1,965
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance18,608.75 km
Popular airlineQatar Airways
Flight statistics for the Perth–Washington D.C. route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

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

    Based on Trip.com data, Qatar Airways offers one-way fares as low as $1,290 on Cheapest nonstop routes (e.g. PER to IAD on Wed, Apr 15), while Emirates offers Cheapest nonstop round-trips from $1,965 departing on Mon, Apr 6 and returning on Sun, Apr 12.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Perth to Washington D.C. 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 Perth to Washington D.C., 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 Wed, Apr 15, with one-way flights priced at just $1,290.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Qatar 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 Washington D.C. travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Perth to Washington D.C. is September, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Perth to Washington D.C. on March 15, 2026 with Emirates, with prices starting at $2,161.
  • The time difference between Washington D.C. and Perth 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.

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.