Statistics on Sydney-Hanoi flights: what is the right price and when to buy your plane ticket?

Best time to go: what is the RIGHT price for a round-trip flight to Hanoi (from: Sydney)

The average price to go to Hanoi from Sydney airport is $ 634 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 507 (in march) and $ 941 (in january), which is a saving of $ 128 or a surplus of $ 307 (compared to the average price) depending on the period you leave.

The analysis of all prices reveals that the most frequent price is between $436 to $490 and it is generally more economical to leave on a tuesday and return on a monday on a flight with 1 or more layovers.

Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Hanoi before booking your flight.

If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your Sydney-Hanoi plane ticket.

How are these data calculated?

We have studied a sample of 63732 airfare prices from previous years for flights to Hanoi from Sydney and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.

Average price depending on the departure month

Created with Highcharts 8.2.2 $941 $941 $649 $649 $507 $507 $650 $650 $523 $523 $560 $560 $681 $681 $552 $552 $587 $587 $588 $588 $538 $538 $823 $823Average price of round-trip airfare in USD according to the departure monthjan.feb.mar.apr.mayjun.jul.aug.sep.oct.nov.dec.4005006007008009001000

Data analysis:

By leaving in march, the price of the plane ticket will statistically be the cheapest ($ 507, saving $ 128 compared to the average price over the year which is $ 634). Conversely, january will be the most expensive ($ 941).

Flight Sydney-Hanoi: when is the best time to go for the best price?

Month Good price* Average price Our opinion
January$ 719 $ 941 very high price
February$ 533 $ 649 good price
March$ 442 $ 507 very good price
April$ 537 $ 650 good price
May$ 438 $ 523 good price
June$ 477 $ 560 good price
July$ 550 $ 681 fair price
August$ 437 $ 552 good price
September$ 456 $ 587 good price
October$ 466 $ 588 good price
November$ 454 $ 538 good price
December$ 667 $ 823 high price

*great price to buy your plane ticket: if you see this price or cheaper during your flight search, go for it and buy it!

Price breakdown to travel from Sydney to Hanoi

Created with Highcharts 8.2.25%5%13%13%14%14%13%13%12%12%10%10%7%7%5%5%4%4%3%3%3%3%2%2%2%2%1%1%Percentage of plane tickets found at this price$327 to $381$381 to $436$436 to $490$490 to $545$545 to $599$599 to $654$654 to $708$708 to $762$762 to $817$817 to $871$871 to $926$926 to $980$980 to$1035$1035 to$10890246810121416

Data analysis:

The prices for flights from Sydney to Hanoi range from $326 to $1089. 5% of tickets were purchased at the minimum price (from $327 to $381), 1% at the maximum price (from $1035 to $1089). The majority of plane tickets were purchased in the range of $436 to $490 (14% of tickets).

Cheapest airlines for the Sydney->Hanoi flight

There are 12 companies that serve Sydney from Hanoi airport: Airasia X, Vietnam Airlines, Vietjet Air, Scoot, Xiamen Airlines, China Southern, Jetstar, Thai Airasia X, Philippine Airlines, Singapore Airlines, Malaysia Airlines and Cebu Pacific.

Created with Highcharts 8.2.2Airasia X: 25 %Airasia X: 25 %Vietnam Airlines: 21 %Vietnam Airlines: 21 %Vietjet Air: 16 %Vietjet Air: 16 %Scoot: 13 %Scoot: 13 %Xiamen Airlines: 5 %Xiamen Airlines: 5 %China Southern: 4 %China Southern: 4 %Jetstar: 3 %Jetstar: 3 %Thai Airasia X: 3 %Thai Airasia X: 3 %Philippine Airlines: 2 %Philippine Airlines: 2 %Singapore Airlines: 2 %Singapore Airlines: 2 %

Data analysis:

Of the 63732 flights analyzed in previous years, Airasia X was the airline that offered the best fare most often in the flight ticket search results (25% of the time) on the Sydney->Hanoi route.

Direct flight or flight with layover?

Created with Highcharts 8.2.2 $755 $755 $594 $594Average ticket price: direct flight or flight with layover(s)Direct flightFlight with layover450500550600650700750800

Data analysis:

To get the best price for the Sydney-Hanoi flight, you should take a flight with one or more layovers (you will save an average of $ 176 compared to a direct flight).

Which day of the week to leave?

Created with Highcharts 8.2.2 $ -35 $ -35 $ +18 $ +18 $ -46 $ -46 $ +40 $ +40 $ -6 $ -6 $ -43 $ -43 $ +48 $ +48Average airfare price according to the departure daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-75-50-250255075

Data analysis:

Statistically, Sydney-Hanoi flights departing on a tuesday are cheaper than on other days of the week. By choosing a tuesday as your departure date, you can save an average of $46. On the other hand, departing on a saturday may cost you an additional $48.

Which day of the week to come back?

Created with Highcharts 8.2.2 $ +36 $ +36 $ -41 $ -41 $ +31 $ +31 $ -16 $ -16 $ -41 $ -41 $ +44 $ +44 $ -39 $ -39Average airfare price based on the return daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-60-40-200204060

Data analysis:

Statistically, return flights from Hanoi to Sydney departing on a monday are cheaper than on other days of the week. By choosing a monday for your return date, you will save an average of $41. Conversely, departing from Hanoi on a friday may cost you an additional $44.

Top prices Sydney-Hanoi

Round tripDatesPrice
Sydney → Hanoi04-05 to 14-05-2025$ 338 
Sydney → Hanoi14-05 to 20-05-2025$ 335 
Sydney → Hanoi05-08 to 19-08-2025$ 326 
Sydney → Hanoi08-08 to 17-08-2025$ 342 
Sydney → Hanoi12-08 to 19-08-2025$ 329 
Sydney → Hanoi14-08 to 20-08-2025$ 341 
Sydney → Hanoi15-08 to 27-08-2025$ 333 
Sydney → Hanoi09-09 to 23-09-2025$ 343 
Sydney → Hanoi17-09 to 28-09-2025$ 343 
Sydney → Hanoi08-10 to 30-10-2025$ 331 

When to book your flight Sydney - Hanoi to get the cheapest price?

Statistically, you will make the biggest savings by buying your plane ticket between 5 to 6 months in advance. However, you may end up paying a high price if you book between 11 to 12 months in advance.

Did you know: the price of plane tickets not only varies depending on how far in advance you book, but also on the day of the week you book! So, to maximize your chances of getting the best price for a Sydney-Hanoi flight, it is recommended to book your ticket on a saturday.

How far in advance should I buy my flight?

Created with Highcharts 8.2.2 $699 $699 $631 $631 $604 $604 $587 $587 $558 $558 $557 $557 $569 $569 $594 $594 $626 $626 $670 $670 $723 $723 $803 $803Average airfare price based on the number of months between booking and flight0 to 1 month1 to 2 months2 to 3 months3 to 4 months4 to 5 months5 to 6 months6 to 7 months7 to 8 months8 to 9 months9 to 10 months10 to 11 months11 to 12 months400500600700800900

Data analysis:

To get the cheapest flight ticket from Sydney to Hanoi, it is recommended to buy it 5 to 6 months before departure (it is then on average 557 $, which is a saving of 77 $ compared to the overall average price). On the other hand, if you buy your ticket 11 to 12 months in advance, you will pay the full price (169 $ more than the average price).

Depending on the departure month

The best time to buy your Sydney to Hanoi flight ticket may vary depending on your departure month. Therefore, we offer you statistics on when to book your flight month by month.

Departure on... How far in advance should I book?
January

Best time: 7 to 8 months before departure (average price: 688 $)

Other interesting period(s): 4 to 5 months ($ 912), 5 to 6 months ($ 820), 6 to 7 months ($ 740), 8 to 9 months ($ 767), 9 to 10 months ($ 838), 10 to 11 months ($ 834), 11 to 12 months ($ 899)
February

Best time: 5 to 6 months before departure (average price: 571 $)

Other interesting period(s): 1 to 2 months ($ 646), 2 to 3 months ($ 623), 3 to 4 months ($ 588), 4 to 5 months ($ 586), 6 to 7 months ($ 601), 7 to 8 months ($ 645), 8 to 9 months ($ 631), 9 to 10 months ($ 636)
March

Best time: 1 to 2 months before departure (average price: 465 $)

Other interesting period(s): 2 to 3 months ($ 475), 3 to 4 months ($ 483), 4 to 5 months ($ 476), 5 to 6 months ($ 501)
April

Best time: 2 to 3 months before departure (average price: 609 $)

Other interesting period(s): 1 to 2 months ($ 643), 3 to 4 months ($ 638), 4 to 5 months ($ 629), 5 to 6 months ($ 622), 6 to 7 months ($ 630), 7 to 8 months ($ 634), 8 to 9 months ($ 650)
May

Best time: 1 to 2 months before departure (average price: 422 $)

Other interesting period(s): 0 to 1 month ($ 471), 2 to 3 months ($ 449), 3 to 4 months ($ 462), 4 to 5 months ($ 479), 5 to 6 months ($ 498), 6 to 7 months ($ 509)
June

Best time: 3 to 4 months before departure (average price: 466 $)

Other interesting period(s): 0 to 1 month ($ 546), 1 to 2 months ($ 488), 2 to 3 months ($ 520), 4 to 5 months ($ 477), 5 to 6 months ($ 546), 6 to 7 months ($ 556)
July

Best time: 2 to 3 months before departure (average price: 576 $)

Other interesting period(s): 1 to 2 months ($ 602), 3 to 4 months ($ 656), 4 to 5 months ($ 600), 5 to 6 months ($ 600), 6 to 7 months ($ 658), 8 to 9 months ($ 671)
August

Best time: 2 to 3 months before departure (average price: 435 $)

Other interesting period(s): 0 to 1 month ($ 487), 1 to 2 months ($ 451), 3 to 4 months ($ 466), 4 to 5 months ($ 478), 5 to 6 months ($ 449), 6 to 7 months ($ 487)
September

Best time: 3 to 4 months before departure (average price: 442 $)

Other interesting period(s): 1 to 2 months ($ 528), 2 to 3 months ($ 470), 4 to 5 months ($ 483), 5 to 6 months ($ 520), 6 to 7 months ($ 477), 7 to 8 months ($ 515)
October

Best time: 4 to 5 months before departure (average price: 450 $)

Other interesting period(s): 2 to 3 months ($ 526), 3 to 4 months ($ 479), 5 to 6 months ($ 508), 6 to 7 months ($ 523), 7 to 8 months ($ 532), 8 to 9 months ($ 564)
November

Best time: 5 to 6 months before departure (average price: 452 $)

Other interesting period(s): 1 to 2 months ($ 497), 2 to 3 months ($ 485), 3 to 4 months ($ 473), 4 to 5 months ($ 467), 6 to 7 months ($ 499), 7 to 8 months ($ 516)
December

Best time: 6 to 7 months before departure (average price: 686 $)

Other interesting period(s): 4 to 5 months ($ 737), 5 to 6 months ($ 716), 7 to 8 months ($ 719), 8 to 9 months ($ 788), 9 to 10 months ($ 782), 10 to 11 months ($ 814)

What day of the week should I book my flight ticket?

Created with Highcharts 8.2.2 $ +3 $ +3 $ -1 $ -1 $ +2 $ +2 $ -1 $ -1 $ +11 $ +11 $ 0 $ 0 $ -6 $ -6Average price of plane ticket according to the booking daysundaymondaytuesdaywednesdaythursdayfridaysaturday-10-5051015

Data analysis:

Statistically, saturday is the day when plane tickets for Sydney->Hanoi are the cheapest. So, by buying your plane ticket on a saturday, you will save $6. Conversely, by buying it on a thursday, you may end up paying $11 more.

Sydney to Hanoi: flight price when booking today

Information: this data is not statistics but comes from real prices collected less than 7 days ago. Some months may not be available as we do not have enough data for them.

Month Current price
April 2025$ 675
$412 to $1343		Find a flight
May 2025$ 402
$329 to $663		Find a flight
June 2025$ 436
$328 to $1428		Find a flight
July 2025$ 569
$427 to $880		Find a flight
August 2025$ 383
$326 to $600		Find a flight
September 2025$ 409
$336 to $900		Find a flight
October 2025$ 416
$329 to $707		Find a flight
November 2025$ 427
$351 to $681		Find a flight
December 2025$ 807
$454 to $1285		Find a flight
January 2026$ 826
$549 to $1143		Find a flight
February 2026$ 730
$451 to $1166		Find a flight

Data analysis:

Compared to the average price, may, june, july, august, september, october, november, december and january are cheaper to travel to Hanoi. So it may be interesting to book now to leave during these months!

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