Cheap Flights Dublin to Sydney from £323

Flight FAQs

• Which airlines offer the cheapest flights from Dublin to Sydney?

  Based on Trip.com data, China Eastern Airlines offers Cheapest nonstop one-way flights from £323 (for example, DUB–SYD on Mon, Nov 23). For a Cheapest nonstop return flight, China Eastern Airlines offers fares from £603, departing on Fri, Nov 6 and returning on Mon, Nov 9.

• Which airlines offer direct flights from Dublin to Sydney?

  At the moment, you can catch a direct flight from Dublin to Sydney with the following airlines, including: British Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from Dublin to Sydney?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Dublin 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.

• How can I find the best deals on flights from Dublin to Sydney?

  Here are some tips for finding the best flight deals from Dublin to Sydney on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Mon, Nov 23, with one-way fares from just £323.
  · Compare airlines. China Eastern Airlines currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Avoid peak season or book early. January is generally the busiest month for travel to Sydney.
  · Get exclusive promo codes on the Trip.com app.

• When is the best time to book a flight from Dublin to Sydney to get the best price?

  The cheapest month to book a flight from Dublin to Sydney is usually November, when demand is lower.

• Which upcoming date is the cheapest for flights from Dublin to Sydney?

  After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Dublin to Sydney on October 28, 2026 with China Eastern Airlines, with prices starting at £352.

• Which airports should you choose for flights from Dublin to Sydney?

  Flights to Sydney can arrive at: Kingsford Smith Airport (SYD) and Western Sydney International Airport (WSI). The most common route connects Dublin Airport and Kingsford Smith Airport (DUB–SYD).

• What is the time difference between Dublin and Sydney?

  The time difference between Sydney and Dublin is 10h.

• How can I change or cancel my flight ticket from Dublin to Sydney?

  Tickets can only be changed or cancelled 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.

• What is the average price of a one-way flight from Dublin to Sydney?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Dublin to Sydney is £1,086. Fares vary by travel date, airline and availability.

• How do I book flights from Dublin to Sydney on Trip.com?

  Enter Dublin 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 traveller details and complete payment to receive your confirmation.

• Are there budget airlines on the Dublin to Sydney route?

  Scootare the most popular budget airlines flying from Dublin to Sydney. Check baggage, seat and payment fees before comparing the final price.