Sydney to Hanoi SYD, WSI → HAN
Sydney (Kingsford Smith) Airport (SYD), Western Sydney Airport (WSI) → Noi Bai International Airport (HAN)
The cheapest return found recently is $627 with Scoot, 3 Apr 2027 – 16 Apr 2027, found yesterday. The cheapest one-way found recently is $365 with Vietjet, 3 Apr 2027, found yesterday.
Return
The cheapest return fare on each of 3 departure dates is usually $556 to $3,084.
Cheapest return found recently
$627
3 Apr 2027 – 16 Apr 2027 · Scoot
Sydney (Kingsford Smith) Airport (SYD) → Noi Bai International Airport (HAN)
Leaves 9:35 p.m. · Return leaves 2:40 p.m. · 34 h 15 min of travel, both ways together
out 2 stops, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$627 3 Apr 2027 – 16 Apr 2027found yesterdaySee prices for these dates
$484 7 Nov – 16 Novfound 2 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $416 to $653.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 7 Nov to 3 Apr 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 13-night return fares leaving within 3 days of 3 Apr 2027 to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 7 Nov – 16 Nov | $484 | Xiamen Airlines | Sydney (Kingsford Smith) Airport (SYD) → Noi Bai International Airport (HAN) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 22 Nov – 28 Nov | $5,540 | Jetstar | Western Sydney Airport (WSI) → Noi Bai International Airport (HAN) | out 2 stops, back 2 stops | found 3 days ago | See prices for these dates |
| 3 Apr 2027 – 16 Apr 2027 | $627 | Scoot | Sydney (Kingsford Smith) Airport (SYD) → Noi Bai International Airport (HAN) | out 2 stops, back 1 stop | found yesterday | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $484.
Airlines on the cheapest dates: Xiamen Airlines, Jetstar, Scoot.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$365
3 Apr 2027 · Vietjet
Sydney (Kingsford Smith) Airport (SYD) → Noi Bai International Airport (HAN)
Leaves 11:15 a.m. · 15 h 25 min trip
1 stop
found yesterday
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$365 3 Apr 2027found yesterdayOpen this trip
$220 25 May 2027found 5 days agoOpen this trip
What have prices looked like?
Over 6 days, 11 Oct to 18 Oct, the cheapest one-way we saw each day was $220 to $258.
At $365, the cheapest one-way found recently is above that range.
6 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 3 Apr 2027 to compare.
Every date we hold
4 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 3 Apr 2027 | $365 | Vietjet | Sydney (Kingsford Smith) Airport (SYD) → Noi Bai International Airport (HAN) | 1 stop | found yesterday | Open this trip |
| 25 May 2027 | $220 | Vietjet | Sydney (Kingsford Smith) Airport (SYD) → Noi Bai International Airport (HAN) | 1 stop | found 5 days ago | Open this trip |
Which month looks cheapest?
May 2027 is the cheapest month — from $220.
Airlines on the cheapest dates: Vietjet.
Premium cabin fares from Sydney to Hanoi
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 3 Apr 2027 – 16 Apr 2027 in another cabin: Premium economy · Business · First
Today's prices for 3 Apr 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Sydney to Hanoi?
Return
Fares 180 or more days before departure were typically 34% lower than 60 to 89 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 60–89 days | $883 | $653 | +53% | 19 |
| 90–179 days | $616 | $487 | +6% | 24 |
| 180+ days | $579 | $416 | Cheapest seen | 20 |
One-way
Not enough history yet: we have 6 days of one-way prices, 11 Oct to 18 Oct, and compare booking times once 3 booking ranges have 7 days each.
Live price for these dates
The cheapest return found recently is for 3 Apr 2027 – 16 Apr 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work