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 $ 601 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 485 (in november) and $ 831 (in january), which is a saving of $ 117 or a surplus of $ 231 (compared to the average price) depending on the period you leave.

The analysis of all prices reveals that the most frequent price is between $421 to $473 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 61848 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

Data analysis:

By leaving in november, the price of the plane ticket will statistically be the cheapest ($ 485, saving $ 117 compared to the average price over the year which is $ 601). Conversely, january will be the most expensive ($ 831).

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

Month Good price* Average price Our opinion
January$ 675 $ 831 very high price
February$ 517 $ 615 fair price
March$ 434 $ 512 good price
April$ 520 $ 630 fair price
May$ 428 $ 521 good price
June$ 471 $ 567 good price
July$ 534 $ 673 fair price
August$ 423 $ 519 good price
September$ 425 $ 548 good price
October$ 423 $ 532 good price
November$ 424 $ 485 very good price
December$ 626 $ 777 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

Data analysis:

The prices for flights from Sydney to Hanoi range from $315 to $998. 5% of tickets were purchased at the minimum price (from $316 to $368), 1% at the maximum price (from $946 to $998). The majority of plane tickets were purchased in the range of $421 to $473 (16% 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, Philippine Airlines, Thai Airasia X, Singapore Airlines, Malaysia Airlines and Cebu Pacific.

Data analysis:

Of the 61848 flights analyzed in previous years, Airasia X was the airline that offered the best fare most often in the flight ticket search results (27% of the time) on the Sydney->Hanoi route.

Direct flight or flight with layover?

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 $ 163 compared to a direct flight).

Which day of the week to leave?

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 $44. On the other hand, departing on a saturday may cost you an additional $54.

Which day of the week to come back?

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 $51. Conversely, departing from Hanoi on a friday may cost you an additional $50.


Top prices Sydney-Hanoi

Round tripDatesPrice
Sydney → Hanoi11-02 to 25-02-2025$ 389 
Sydney → Hanoi04-03 to 18-03-2025$ 389 
Sydney → Hanoi06-05 to 13-05-2025$ 375 
Sydney → Hanoi07-05 to 15-05-2025$ 403 
Sydney → Hanoi08-05 to 15-05-2025$ 396 
Sydney → Hanoi13-05 to 27-05-2025$ 367 
Sydney → Hanoi15-05 to 22-05-2025$ 370 
Sydney → Hanoi17-05 to 29-05-2025$ 396 
Sydney → Hanoi13-09 to 20-09-2025$ 388 
Sydney → Hanoi07-10 to 30-10-2025$ 394 


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 1 to 2 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 wednesday.

How far in advance should I buy my flight?

Data analysis:

To get the cheapest flight ticket from Sydney to Hanoi, it is recommended to buy it 1 to 2 months before departure (it is then on average 557 $, which is a saving of 44 $ 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 (180 $ 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: 6 to 7 months before departure (average price: 713 $)

Other interesting period(s): 5 to 6 months ($ 761), 7 to 8 months ($ 736), 8 to 9 months ($ 786), 9 to 10 months ($ 812), 11 to 12 months ($ 808)

February

Best time: 4 to 5 months before departure (average price: 564 $)

Other interesting period(s): 3 to 4 months ($ 570), 5 to 6 months ($ 566), 6 to 7 months ($ 573), 8 to 9 months ($ 615)

March

Best time: 4 to 5 months before departure (average price: 459 $)

Other interesting period(s): 1 to 2 months ($ 482), 2 to 3 months ($ 466), 3 to 4 months ($ 462), 5 to 6 months ($ 484), 6 to 7 months ($ 505), 7 to 8 months ($ 509)

April

Best time: 2 to 3 months before departure (average price: 555 $)

Other interesting period(s): 1 to 2 months ($ 628), 3 to 4 months ($ 592), 4 to 5 months ($ 604), 5 to 6 months ($ 597), 6 to 7 months ($ 608), 7 to 8 months ($ 612), 8 to 9 months ($ 628)

May

Best time: 1 to 2 months before departure (average price: 407 $)

Other interesting period(s): 0 to 1 month ($ 467), 2 to 3 months ($ 474), 3 to 4 months ($ 477), 4 to 5 months ($ 463), 5 to 6 months ($ 468), 6 to 7 months ($ 486)

June

Best time: 1 to 2 months before departure (average price: 488 $)

Other interesting period(s): 2 to 3 months ($ 508), 3 to 4 months ($ 497), 4 to 5 months ($ 493), 5 to 6 months ($ 522), 6 to 7 months ($ 553), 8 to 9 months ($ 563)

July

Best time: 2 to 3 months before departure (average price: 553 $)

Other interesting period(s): 1 to 2 months ($ 589), 3 to 4 months ($ 636), 4 to 5 months ($ 628), 5 to 6 months ($ 651), 6 to 7 months ($ 654), 7 to 8 months ($ 605), 8 to 9 months ($ 645)

August

Best time: 2 to 3 months before departure (average price: 448 $)

Other interesting period(s): 0 to 1 month ($ 462), 1 to 2 months ($ 453), 3 to 4 months ($ 455), 4 to 5 months ($ 467), 5 to 6 months ($ 468), 6 to 7 months ($ 503), 7 to 8 months ($ 505)

September

Best time: 3 to 4 months before departure (average price: 468 $)

Other interesting period(s): 1 to 2 months ($ 514), 2 to 3 months ($ 497), 4 to 5 months ($ 484), 5 to 6 months ($ 503), 6 to 7 months ($ 501), 7 to 8 months ($ 504)

October

Best time: 3 to 4 months before departure (average price: 449 $)

Other interesting period(s): 1 to 2 months ($ 522), 2 to 3 months ($ 483), 4 to 5 months ($ 471), 5 to 6 months ($ 491), 6 to 7 months ($ 506)

November

Best time: 5 to 6 months before departure (average price: 440 $)

Other interesting period(s): 1 to 2 months ($ 476), 2 to 3 months ($ 476), 3 to 4 months ($ 442), 4 to 5 months ($ 450)

December

Best time: 4 to 5 months before departure (average price: 699 $)

Other interesting period(s): 3 to 4 months ($ 752), 5 to 6 months ($ 706), 6 to 7 months ($ 705), 7 to 8 months ($ 765), 8 to 9 months ($ 771), 9 to 10 months ($ 760)

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

Data analysis:

Statistically, wednesday is the day when plane tickets for Sydney->Hanoi are the cheapest. So, by buying your plane ticket on a wednesday, you will save $5. Conversely, by buying it on a thursday, you may end up paying $12 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
December 2024$ 922
$470 to $2769
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January 2025$ 1196
$600 to $2632
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February 2025$ 651
$385 to $2513
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March 2025$ 498
$389 to $921
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April 2025$ 575
$417 to $1001
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May 2025$ 468
$367 to $707
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June 2025$ 483
$417 to $701
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July 2025$ 670
$432 to $1036
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August 2025$ 693
$379 to $1018
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September 2025$ 918
$388 to $1222
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October 2025$ 707
$394 to $1155
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November 2025$ 835
$429 to $1122
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Data analysis:

Compared to the average price, march, april, may and june are cheaper to travel to Hanoi. So it may be interesting to book now to leave during these months!



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