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Flights from Washington D.C. to Sydney

Flight Info | Washington D.C. to Sydney

The distance between Washington D.C. and Sydney is approximately 15,716.63 km. Based on Trip.com's data, travel demand peaks in July.

Cheapest one-way
$674
American Airlines American Airlines WAS-SYD 31h 50m · 1 stop Wed, Sep 2
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Cheapest round-trip
$1,255
United Airlines United Airlines WAS-SYD 28h 15m · 2 stops Wed, Sep 9 - Mon, Sep 14
Select flight
Recommended airlines
American Airlines American Airlines Cheapest · From $674 Qantas Airways Qantas Airways Most booked
When to travel
October
Cheapest
July
Peak season for travel
Route details
15,716.63 km
Flight distance

Find flight deals from Washington D.C. to Sydney for the next 3 months. Book one way flights from $674 or round trip flights from $1,255.

      • IAD 12:40 PM
        28h 15m
        1 stop
        SYD 6:55 AM
        Washington D.C. - Sydney | Wed, Sep 9 | United Airlines
        SYD 10:20 AM
        22h 45m
        1 stop
        IAD 7:05 PM
        Sydney - Washington D.C. | Mon, Sep 14 | United Airlines
        $1,255 $2,485
        49% off
        49% off
        $2,485 $1,255
      • DCA 9:30 AM
        31h 35m
        1 stop
        SYD 7:05 AM
        Washington D.C. - Sydney | Wed, Sep 9 | Qantas Airways
        SYD 12:00 PM
        20h 44m
        1 stop
        IAD 6:44 PM
        Sydney - Washington D.C. | Mon, Sep 14 | Qantas Airways
        $1,267 $2,485
        49% off
        49% off
        $2,485 $1,267
      • IAD 3:10 PM
        49h
        1 stop
        SYD 6:10 AM
        Washington D.C. - Sydney | Wed, Sep 9 | Etihad Airways
        SYD 3:40 PM
        32h 5m
        1 stop
        IAD 9:45 AM
        Sydney - Washington D.C. | Mon, Sep 14 | Etihad Airways
        $1,521 $2,485
        39% off
        39% off
        $2,485 $1,521
      • IAD 9:40 PM
        31h 30m
        1 stop
        SYD 7:10 PM
        Washington D.C. - Sydney | Wed, Sep 9 | Turkish Airlines
        SYD 9:05 PM
        52h 25m
        1 stop
        IAD 11:30 AM
        Sydney - Washington D.C. | Mon, Sep 14 | Turkish Airlines
        $1,540
        38% off
        $2,485 $1,540
      • DCA 9:30 AM
        31h 35m
        1 stop
        SYD 7:05 AM
        Washington D.C. - Sydney | Wed, Sep 9 | Alaska Airlines
        SYD 9:10 AM
        24h 50m
        1 stop
        DCA 8:00 PM
        Sydney - Washington D.C. | Mon, Sep 14 | Qantas Airways
        $1,544
        38% off
        $2,485 $1,544
      • IAD 9:40 PM
        31h 30m
        1 stop
        SYD 7:10 PM
        Washington D.C. - Sydney | Tue, Aug 25 | Turkish Airlines
        SYD 7:40 PM
        37h 50m
        1 stop
        IAD 7:30 PM
        Sydney - Washington D.C. | Fri, Aug 28 | Air China
        $1,642
        34% off
        $2,485 $1,642
      • IAD 1:20 PM
        39h 50m
        1 stop
        SYD 7:10 PM
        Washington D.C. - Sydney | Tue, Sep 8 | Turkish Airlines
        SYD 9:05 PM
        52h 30m
        1 stop
        IAD 11:35 AM
        Sydney - Washington D.C. | Sat, Sep 12 | Turkish Airlines
        $1,658
        33% off
        $2,485 $1,658
      • IAD 9:55 AM
        31h 25m
        1 stop
        SYD 7:20 AM
        Washington D.C. - Sydney | Tue, Sep 8 | Air Canada
        SYD 9:20 AM
        25h 5m
        1 stop
        IAD 8:25 PM
        Sydney - Washington D.C. | Sat, Sep 12 | Air Canada
        $1,660
        33% off
        $2,485 $1,660
      • DCA 4:45 PM
        24h 5m
        1 stop
        SYD 6:50 AM
        Washington D.C. - Sydney | Tue, Aug 18 | Delta Air Lines
        SYD 9:15 AM
        20h 20m
        1 stop
        DCA 3:35 PM
        Sydney - Washington D.C. | Sat, Aug 22 | Delta Air Lines
        $1,693
        32% off
        $2,485 $1,693
      • DCA 9:30 AM
        31h 35m
        1 stop
        SYD 7:05 AM
        Washington D.C. - Sydney | Fri, Sep 11 | Alaska Airlines
        SYD 9:10 AM
        24h 50m
        1 stop
        DCA 8:00 PM
        Sydney - Washington D.C. | Wed, Sep 16 | Qantas Airways
        $1,789
        28% off
        $2,485 $1,789
      • WAS 1:00 PM
        17h 25m
        1 stop
        SYD 2:00 PM
        Washington D.C. - Sydney | Wed, Aug 19 | Normal Airline
        SYD 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Sydney - Washington D.C. | Fri, Aug 21 | Normal Airline
        Find more flights
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      • DCA 9:00 AM
        31h 50m
        1 stop
        SYD 6:50 AM
        Washington D.C. - Sydney | Wed, Sep 2 | American Airlines
        $674 $1,042
        35% off
        35% off
        $1,042 $674
      • DCA 9:30 AM
        31h 20m
        1 stop
        SYD 6:50 AM
        Washington D.C. - Sydney | Wed, Sep 2 | Alaska Airlines
        $689 $1,042
        34% off
        34% off
        $1,042 $689
      • DCA 9:30 AM
        31h 20m
        1 stop
        SYD 6:50 AM
        Washington D.C. - Sydney | Thu, Aug 20 | Alaska Airlines
        $698 $1,042
        33% off
        33% off
        $1,042 $698
      • IAD 6:10 AM
        34h 40m
        1 stop
        SYD 6:50 AM
        Washington D.C. - Sydney | Wed, Sep 23 | American Airlines
        $712
        32% off
        $1,042 $712
      • DCA 9:30 AM
        31h 35m
        1 stop
        SYD 8:05 AM
        Washington D.C. - Sydney | Thu, Oct 15 | Alaska Airlines
        $718
        31% off
        $1,042 $718
      • DCA 9:30 AM
        31h 35m
        1 stop
        SYD 7:05 AM
        Washington D.C. - Sydney | Wed, Sep 30 | Alaska Airlines
        $722
        31% off
        $1,042 $722
      • DCA 4:41 PM
        24h 24m
        1 stop
        SYD 7:05 AM
        Washington D.C. - Sydney | Sun, Sep 20 | Delta Air Lines
        $727
        30% off
        $1,042 $727
      • DCA 5:35 PM
        23h 30m
        1 stop
        SYD 7:05 AM
        Washington D.C. - Sydney | Thu, Aug 20 | American Airlines
        $743
        28% off
        $1,042 $743
      • DCA 5:35 PM
        23h 30m
        1 stop
        SYD 7:05 AM
        Washington D.C. - Sydney | Wed, Sep 30 | American Airlines
        $747
        28% off
        $1,042 $747
      • DCA 9:30 AM
        31h 35m
        1 stop
        SYD 7:05 AM
        Washington D.C. - Sydney | Sun, Sep 20 | Alaska Airlines
        $750
        28% off
        $1,042 $750
      • WAS 1:00 PM
        17h 25m
        1 stop
        SYD 2:00 PM
        Washington D.C. - Sydney | Wed, Aug 19 | Normal Airline
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Popular airlines from Washington D.C. to Sydney

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

Frequently Asked Questions

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

    Based on Trip.com data, American Airlines offers one-way fares as low as $674 on Cheapest nonstop routes (e.g. DCA to SYD on Wed, Sep 2), while United Airlines offers Cheapest nonstop round-trips from $1,255 departing on Wed, Sep 9 and returning on Mon, Sep 14.
  • At the moment, you can catch a nonstop flight from Washington D.C. to Sydney with the following airlines, including: American Airlines 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 Sydney 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 Sydney, 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, Sep 2, with one-way flights priced at just $674.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
    · 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 Sydney travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Washington D.C. to Sydney is October, 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 Sydney on August 18, 2026 with United Airlines, with prices starting at $1,276.
  • You can land at any one of the following hubs in Sydney, with Ronald Reagan Washington National Airport to Sydney Airport (DCA-SYD) is by far the most common option on this route: Sydney Airport (SYD) Western Sydney International Airport (WSI).
  • The time difference between Sydney and Washington D.C. is 15h.
  • 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 Sydney is $1,166. Fares vary by travel date, airline and availability.
  • Enter Washington D.C. and Sydney, 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.

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

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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.