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Cheap Flights from Sydney to Hanoi

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Reverse direction: HAN to SYD
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SQ Return flights from $892
Dep. Tue 28 JulRet. Wed 12 Aug$892
Dep. Thu 13 AugRet. Sun 23 Aug$892
SQShow more Flights
Dep. Thu 22 OctRet. Tue 03 Nov$892
Dep. Mon 12 OctRet. Tue 03 Nov$898
Dep. Wed 09 SepRet. Wed 16 Sep$898
Dep. Sun 02 AugRet. Mon 17 Aug$898
Dep. Fri 30 OctRet. Sun 22 Nov$898
Dep. Wed 14 OctRet. Tue 03 Nov$898
Dep. Tue 10 NovRet. Sun 22 Nov$899
Dep. Wed 20 JanRet. Mon 15 Feb$899
Dep. Thu 08 OctRet. Wed 21 Oct$899
Dep. Wed 19 AugRet. Sat 29 Aug$929
Dep. Sun 17 JanRet. Mon 15 Feb$930
Dep. Wed 14 OctRet. Wed 28 Oct$961
Dep. Mon 26 OctRet. Wed 11 Nov$969
Dep. Sat 07 NovRet. Sun 22 Nov$1,018
Dep. Sun 19 JulRet. Wed 05 Aug$1,037
Dep. Thu 03 SepRet. Mon 07 Sep$1,048
Dep. Thu 03 SepRet. Sun 13 Sep$1,077
Dep. Thu 10 SepRet. Wed 30 Sep$1,084
Dep. Sat 21 NovRet. Sat 05 Dec$1,141
Dep. Thu 08 OctRet. Tue 13 Oct$1,151
Dep. Sun 15 NovRet. Wed 02 Dec$1,157
Dep. Sun 15 NovRet. Thu 03 Dec$1,157
Dep. Sun 17 JanRet. Thu 28 Jan$1,247
Dep. Wed 13 JanRet. Wed 27 Jan$1,294
Dep. Wed 30 SepRet. Sun 11 Oct$1,540
Dep. Wed 08 JulRet. Thu 16 Jul$2,174
Dep. Thu 18 FebRet. Sun 07 Mar$4,832

Prices are from searches made in the last 24 hours and current prices may differ.

Do you need to catch a flight to Sydney? Check out our domestic flights to Sydney. If Sydney is not your closest airport, then here are all our flights to Hanoi from Australia and flights to Vietnam. Maybe a different destination? Here are all the flights from Sydney


Cheapest Time of Year to Fly from Sydney to Hanoi

Return fares from Sydney to Hanoi by month, based on the cheapest return airfares found for each month.

Jul 2026
$762
Aug 2026
$588
Sep 2026
$585
Oct 2026
$500
Nov 2026
$468
Dec 2026
$835
Jan 2027
$1,591
Feb 2027
$558
Mar 2027
$546
Apr 2027
$1,134

The cheapest month to fly to Hanoi is November 2026, with return fares from $468 — 71% cheaper than the most expensive month (January 2027, from $1,591).

When Should You Fly to Hanoi?

Based on the fares we've tracked, November is typically the cheapest month to fly to Hanoi, with return fares from $468. January is the most expensive month, with the cheapest return fares around $1,591 as school holidays and the Christmas peak push prices up.

Across the year, return fares to Hanoi average around $757. If you can travel in the off-peak months of November, October and March, you'll generally pay up to 38% less than the yearly average.


Cheapest Sydney to Hanoi Return Prices

These are the cheapest prices for Sydney to Hanoi return airfares.

July 2026
$762
August 2026
$588
September 2026
$585
October 2026
$500
November 2026
$468
December 2026
$835
January 2027
$1,591
February 2027
$558
March 2027
$546
April 2027
$1,134

Average Sydney to Hanoi Return Prices

These are the average prices for Sydney to Hanoi return airfares.

July 2026
$1,675
August 2026
$1,231
September 2026
$1,324
October 2026
$1,373
November 2026
$1,284
December 2026
$1,879
January 2027
$1,945
February 2027
$1,436
March 2027
$1,347
April 2027
$1,633

Frequently Asked Questions about flying from Sydney to Hanoi

When is the cheapest time to travel from Sydney to Hanoi?

The cheapest month to travel is typically November.

How much do return flights from Sydney to Hanoi cost?

The best price we found for a return flight from Sydney to Hanoi is $487.

What is the cheapest date to fly from Sydney to Hanoi?

Currently, the cheapest date for a return flight from Sydney to Hanoi is 14 October 2026.

What is the cheapest airline that flys from Sydney to Hanoi?

Currently, the cheapest airline that flys from Sydney to Hanoi is VietJet Air.

Which airlines fly direct from Sydney to Hanoi?

Vietnam Airlines flies direct.

How long does a direct flight from Sydney to Hanoi take?

The shortest direct flight usually takes 9 hours and 30 minutes.

What is the IATA airport code for Hanoi?

The IATA code for Hanoi is HAN. It is located in Vietnam at coordinates 21.21442, 105.8027.

When should you book flights to Hanoi?

From our data, you should book flights to Hanoi 60 days out.


How I Want That Flight can help you

What's the benefit of using I Want That Flight for my Sydney to Hanoi flight?

Think of us as your personal shortcut to a great deal. Instead of you opening fifty different tabs, we instantly cross-check rates across heaps of airlines and booking sites to score you the sweet spot on pricing. Millions of holidaymakers count on us every year to get them airborne, so you're running with a pretty savvy crowd.

Can you sort me out with direct flights from Sydney to Hanoi?

100%. As soon as the page finishes loading your options, hit the "Direct" filter. The layovers will vanish, leaving you with only the non-stop routes.

How does I Want That Flight find me the best Sydney to Hanoi flights?

Once you punch your details into our search tool, we unlock all kinds of handy tricks to map out your journey. We’ll map out the most budget-friendly calendar dates and takeoff slots, and let you slice and dice the data until you pinpoint the exact itinerary that works for you.

I'm still in the planning phase. Can you ping me if Sydney to Hanoi fares drop?

No worries at all. Just kick off a quick search, drop your email into our price tracker, and we’ll send a heads-up straight to your inbox the moment the price drops.

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