Cheap Flights from Dehradun to Sydney

Compare Dehradun to Sydney flight deals

Find the cheapest month or even day of the year to fly to Sydney

Book the best Sydney fare with no extra fees

Flight deals from Dehradun to Sydney

Looking for a cheap last-minute deal or the best return flight from Dehradun Airport to Sydney Airport? If you want to travel next month, return fares start from ج.م.‏ 43,969. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Dehradun to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dehradun to Sydney flights are currently cheapest in April.

Dehradun to Sydney: Alternative routes

Compare routes from Dehradun to Sydney below. You may find an airport to fly into that's cheaper, faster, or easier than Sydney.

Dehradun to Sydney: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 22,146
Cheapest month to flyApril

Finding cheap flights from Dehradun to Sydney: Frequently asked questions

The best price we found for a return flight from Dehradun to Sydney is ج.م.‏ 43,969. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Dehradun to Sydney. But we found flights with one or more stops from ج.م.‏ 43,969.
As of April 2026, there are no flights flying from Dehradun to Sydney.
The cheapest month to fly from Dehradun to Sydney is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dehradun Airport to Sydney Airport on Tuesday, 12 May 2026.
No airlines currently offer direct flights between Dehradun Airport and Sydney Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sydney but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, IndiGo offers the cheapest flight tickets to Sydney.

Flying from Dehra Dun Airport (DED) to Sydney (Kingsford Smith) Airport (SYD): what you need to know

  • Sydney's timezone is UTC+11, which makes Sydney five hours 30 minutes ahead of Dehradun.

  • Get to the airport on time so you don't miss your DED to SYD flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • During popular months like July, it's best to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead of an international flight whenever you're travelling during a peak period in general.

  • Break up your flight or take a detour to a new city with a stopover. Just uncheck 'Direct flights only' to see your options when searching for tickets from Dehra Dun Airport to Sydney (Kingsford Smith) Airport. Many travellers pass through Indira Gandhi International Airport when flying between DED and SYD.

How to find the cheapest flights from Dehra Dun Airport (DED) to Sydney (Kingsford Smith) Airport (SYD)

  • ج.م.‏ 22,146 is the best price for a one-way Dehra Dun Airport to Sydney (Kingsford Smith) Airport flight. A return flight starts from ج.م.‏ 43,969. These fares can change depending on availability.

  • To score cheap tickets from DED to SYD, book in advance. Airlines tend to offer their most competitively priced fares when flights are first released.

  • The 'Whole month' tool shows you the cheapest flights from Dehra Dun Airport to Sydney (Kingsford Smith) Airport across each month. It's a good way to find a bargain if your travel dates are flexible.

  • Spend less time searching for cheap flights from DED to SYD by creating a Price Alert. You'll get an email or push notification on the app when a lower fare becomes available.

  • Pick your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Dehra Dun Airport to Sydney (Kingsford Smith) Airport.

Handy information about Dehra Dun Airport (DED)

  • Of all flights departing from Dehra Dun Airport, 76.04% arrive on time at their destination.

  • Central Dehradun to Dehra Dun Airport is approximately 27 kilometres. Depending on traffic, it'll take about 45 minutes to get there if you're driving, ride-sharing or catching a cab.

  • You can expect a journey time of around 2 hours 15 minutes on public transport.

  • Get your journey off to a leisurely start by staying near DED. Whether you're catching an early flight from Dehra Dun Airport to Sydney (Kingsford Smith) Airport or just don't want to be rushed, these stays are perfect:

Arriving at Sydney (Kingsford Smith) Airport (SYD)

Getting from Sydney (Kingsford Smith) Airport (SYD) to central Sydney

  • Sydney (Kingsford Smith) Airport is roughly 18 kilometres from central Sydney. The drive time takes around 20 minutes.

  • It takes roughly 25 minutes if you're travelling on public transport.

When to fly to Sydney (Kingsford Smith) Airport (SYD)

  • April is the busiest month for flights from Dehra Dun Airport to Sydney (Kingsford Smith) Airport. For a quieter experience, visit Sydney in April.

  • Book your flight from Dehra Dun Airport to Sydney (Kingsford Smith) Airport for January if you want to go to Sydney during its warmest month. Expect temperatures of between 17ºC and 32ºC.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from DED to SYD in July. Temperatures average between 5ºC and 19ºC then.

Explore more of Australia

  • Canberra is just one of the many cities in Australia waiting to be explored after you've experienced Sydney. Around 241 kilometres away to the south-west, popular attractions include Australian War Memorial, National Gallery of Australia and Parliament House.

  • Newcastle is another well-known destination in Australia and is around 121 kilometres north-east of Sydney. No journey is complete without a visit to Newcastle Beach, Nobbys Beach and Merewether Beach.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.