Cheap flights from Hanoi to Singapore from $135

In general, March is the cheapest month to fly from Hanoi to Singapore. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $312. If you aren’t able to travel during the month of March, then book flights to Singapore from Hanoi during January instead. Flights to Singapore in January, while not as cheap as those in March, still average around $319.

The cheapest day to depart on your flight to Singapore is on a Monday when prices can be found for as low as $412. 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 Singapore on Saturday is $1,505.

In the morning is the cheapest time of day to fly from Hanoi to Singapore when you can find flight prices for as low as $595. Flying to Singapore in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $1,248. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Hanoi Noibai to Singapore Changi for the best Hanoi Noibai - Singapore Changi flight prices

You are more likely to see cheaper flights to Singapore from Hanoi when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $361 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Hanoi for as low as $267 on momondo.

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

Historically, on average around 18% of flights between Hanoi and Singapore have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Vietnam Airlines have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

As of September 2026, 23 flights take off from Hanoi and land in Singapore each day. The most common flight departure time for this route is 12:00, with 52% of daily flights taking off in the afternoon.

As of September 2026, there are 162 flights per week flying from Hanoi to Singapore. The most common day of the week flights depart is Wed, with 16% of flights taking off on this day.