Cheap flights from Tokyo to Bangkok from $257

The month of June is, on average, the cheapest month to fly to Bangkok from Tokyo, with most prices found around $164. The month of April is another great option to travel to Bangkok, with average flight prices from Tokyo averaging around $189.

The cheapest day to depart on your flight to Bangkok is on a Tuesday when prices can be found for as low as $769. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,023. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bangkok.

Flying to Bangkok from Tokyo in the evening is the least expensive time of day to depart. momondo users have found prices as low as $792 when looking at flights departing in the evening. Flights to Bangkok are more costly in the morning, with an average ticket price of $939. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Tokyo Narita to Bangkok Suvarnabhumi for the best Tokyo - Bangkok flight prices

You are more likely to see cheaper flights to Bangkok from Tokyo when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $554 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from Tokyo for as low as $472 on momondo.

Historically, on average around 11% of flights between Tokyo and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 117 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon 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, ANA have had the fewest delays on this route over the last 12 months, with about 7% of their flights experiencing any sort of delay.

The number of flights available between Tokyo and Bangkok is 52 per day as of May 2026. The most frequent departure time is 10:00, with 30% of daily flights leaving at midday.

The number of flights available between Tokyo and Bangkok is 369 per week as of May 2026. The most frequent departure day is Fri, with 15% of weekly flights leaving on this day.