$405 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 Hang Gai Street.

Waterparks like Ho Tay Lake Water Park are perfect places to go when the heat gets unbearable. Hanoi is a great place for families, with something for everyone to do. Those looking to fly to Hanoi to visit these parks would likely find that the best time to do so is during April, when there is only a moderate chance of rain and the weather is typically above 70 degrees fahrenheit.

In general, most travelers find the cheapest time to book a flight to Hanoi is about 53 days prior to their departure date when tickets on average are $1,087. Keep in mind that you might also find cheap flights to Hanoi outside of this time window. In fact, momondo users recently found flights from United States to Hanoi for $617.

Finding an alternative and possibly cheaper destination airport near Hanoi is possible. If you are planning a flight to Hanoi, consider booking flights to Haiphong Catbi Airport (60 mi from Hanoi city center) or Thanh Hoa Tho Xuan Airport (80 mi from Hanoi city center).

The cheapest airport near Hanoi is typically Haiphong Catbi Airport with an average price of $104/person. These prices vary based on where travelers are coming from. It is suggested that travelers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

Users booking trips to Hanoi from Hue found flights 59% cheaper than the average price of flights to Hanoi. To find the cheapest price to Hanoi from your area, use momondo’s Airport-to-Airport Pricing Tool.

Prices for flights to Hanoi Noibai Airport were last updated today.

As of June 2026, there are 53 operators available to choose from for flights to Hanoi Noibai Airport.

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Hanoi Noibai Airport.

The travel and health documents you'll need for your trip to Hanoi Noibai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Hanoi Noibai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.