Cheap flights from Kolkata to Hanoi from ₹ 12,101

In general, February is the cheapest month to fly from Kolkata to Hanoi. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 20,866. If you don’t want to visit Hanoi in February, then you should wait until August to fly from Kolkata, when ticket prices are also cheap, with an average price of ₹ 23,725.

The cheapest day to depart on your flight to Hanoi is on a Tuesday when prices can be found for as low as ₹ 24,527. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Hanoi is Sunday, with ticket prices averaging around ₹ 33,280.

Our data shows that the cheapest Kolkata to Hanoi flights are usually those with departure times in the evening. Our users have found flights to Hanoi in the evening for as low as ₹ 25,206. In contrast, the most expensive time of day to depart to Hanoi is in the morning when prices are around ₹ 30,585.

Fly from Kolkata Netaji S. Chandra to Hanoi Noibai for the best Kolkata Netaji S. Chandra - Hanoi Noibai flight prices

You are more likely to see cheaper flights to Hanoi from Kolkata when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around ₹ 31,340 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from Kolkata for as low as ₹ 23,725 on momondo.

There is only 1 cabin class available to choose from on Kolkata to Hanoi flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 32% on your flight if you consider stops on a Kolkata to Hanoi flight.

As of September 2026, prices for Kolkata to Hanoi flights are approximately 7% cheaper when compared to flights at the same time last year.

Bangkok (BKK) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

Flights via Kunming (KMG) offer the lowest average return price of ₹ 38,690.

Flights connecting via Bangkok (BKK) have the shortest average one-way travel time: 6h 05m.

Bangkok (BKK) has the shortest average stopover time for this route: 1h 23m.

1 flights are operational daily from Kolkata to Hanoi as of September 2026. The most popular departure time for this route is 14:00, with 100% of flights per day taking off in the afternoon.

As of September 2026, there are 7 flights per week flying from Kolkata to Hanoi. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.