Cheap flights from Sydney to Hanoi
Recently found return fares from $220, with May the cheapest month we know of. Compare dates, then book with the partner you choose.
Cheapest months to fly
Lowest recently found return fare in each month. Tap a month to see that month's calendar.
Sydney → Hanoi
November 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1
2
3
4
5
6
7
8
9
10
11
$319
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
LowerHigherLowest this month
Lowest fares for the best day
- MFSat 7 Nov – Mon 16 Nov · 1 stop · 12h 10m $484
- MFTue 10 Nov – Fri 13 Nov · 1 stop · 12h 10m $522
- JetstarSun 22 Nov – Sat 28 Nov · 2 stops · 12h 50m $590
Airport in Hanoi
- HANNoi Bai
Airport in Sydney
- SYDKingsford Smith
Watch this route
FAQ
Questions about this route
Still have a question?
Search the help center or send us a message. We reply by email.
Help center Contact us01What is the cheapest month to fly from Sydney to Hanoi?
Based on recently found fares, May 2027 has the lowest price we know of, from $220. Prices change often, so check the calendar for current fares.
02Are the prices on this page final?
No. They are recently found fares. When you open a deal, the partner shows the live price, including taxes and fees, before you pay.
03How can I get an alert when flights to Hanoi get cheaper?
Use the price alert on this page. Choose your dates or a whole month and we will email you when the fare drops.