Cheap flights from Incheon Intl Airport to Hanoi from $94

The cheapest month to fly to Hanoi from Incheon Intl Airport is in September. Flight prices, which tend to average around $227, are often lower during this time because this is during the off-season. If you’re not able to fly to Hanoi in September, then May is your next best option. Flight prices from Incheon Intl Airport to Hanoi during May average around $245.

According to our data, Monday is the cheapest day to fly to Hanoi from Incheon Intl Airport. The lowest ticket price found for a Monday departure recently was $240. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. 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 $337.

Our most recent data shows that the best time of day to fly to Hanoi is in the evening. Flights from Incheon Intl Airport to Hanoi during this time can be as low as $264. Try not to purchase tickets in the morning because they tend to be around $329. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Incheon Intl to Hanoi Noibai for the best Incheon Intl - Hanoi Noibai flight prices

You are more likely to see cheaper flights to Hanoi from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around $307 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from Incheon Intl Airport for as low as $230 on momondo.

There are 3 cabin classes available to choose from on Incheon Intl Airport to Hanoi flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Incheon Intl Airport to Hanoi.

As of August 2026, prices for Incheon Intl Airport to Hanoi flights are approximately 22% cheaper when compared to flights at the same time last year.

VietJet Air and Jeju Air are the most popular carriers operating from Incheon Intl to Hanoi Noibai

Vietnam Airlines, VietJet Air and Asiana Airlines are the top three most popular airlines that fly to Hanoi from Incheon Intl Airport according to our data. Vietnam Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Hanoi. Keep in mind that there are 5 different airlines that fly to Hanoi on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between Incheon and Hanoi have experienced a delay on any given week. The average delay length over the past 12 months has been 114 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Jeju Air have had the least number of delays on this route over the last 12 months; with about 9% of their flights experiencing any sort of delay.

As of August 2026, there are 18 flights per day flying from Incheon Intl Airport to Hanoi. The most common time of day flights depart is 6:00PM, with 54% of flights taking off in the evening.

The number of flights available between Incheon Intl Airport and Hanoi is 131 per week as of August 2026. The most frequent departure day is Fri, with 16% of weekly flights leaving on this day.