€323 Cheap flights to Hanoi

If you are planning a flight to Hanoi and are looking to avoid the rain, you should avoid traveling during the months of May, June, and July. These months will typically see 5.1 inches or more of rain, meaning that rain is likely. If you do run into rain while in Hanoi, there are still things to do and ways to enjoy your trip. For those looking to get out of the rain and do a little shopping, check out Lotte Center Hanoi.

You are more likely to see cheaper flights to Hanoi from Ireland when booking 31 days ahead of your departure date. In general, you can expect to find flights to Hanoi for around €993 when searching 31 days out. However, in the past 72 hours, people saw flights from Ireland for as low as €751.

Haiphong Catbi Airport or Thanh Hoa Tho Xuan Airport can be an alternative airport used for travel to Hanoi.

Prices for flights to Hanoi Noibai Airport are refreshed on a daily basis.

As of February 2026, there are 6 operators available to choose from for flights to Hanoi Noibai Airport.

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Hanoi Noibai Airport.

The required travel and health documents for your Hanoi Noibai Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Hanoi Noibai Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.