The cheapest month to fly to Hanoi from Ireland is in October. Flight prices, which tend to average around 633€, are often lower during this time because this is during the off-season. If you are unable to visit Hanoi during the month of October, then departing from Ireland during the month January is also very affordable. Most momondo users find prices during this month for around 660€.
The ideal time to book your flight to Hanoi is 46 days in advance, when prices tend to average 731€. In the past 72 hours, momondo users found flights from Ireland to Hanoi for as low as 516€.
The cheapest day to depart on your flight to Hanoi is on a Friday when prices can be found for as low as 663€. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Hanoi on Saturday is 756€.
According to our data, the cheapest time of day to fly to Hanoi is in the evening. momondo users have found flights departing from Ireland to Hanoi in the evening for as low as 541€. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Hanoi is at midday when prices are around 776€.