Cheap flights from Osaka Kansai Intl Airport to Bangkok from $149

The month of June is, on average, the cheapest month to fly to Bangkok Suvarnabhumi Airport from Osaka Kansai Intl Airport, with most prices found around $250. The month of July is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Osaka Kansai Intl Airport averaging around $271.

The cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport is on a Wednesday 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. On the other hand, Thursday is the most expensive day to depart from Osaka Kansai Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $915.

Our most recent data shows that the best time of day to fly to Bangkok Suvarnabhumi Airport is in the evening. Flights from Osaka Kansai Intl Airport to Bangkok Suvarnabhumi Airport during this time can be as low as $394. In the afternoon is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around $1,068 per ticket.

Fly from Osaka Kansai Intl to Bangkok Suvarnabhumi for the best Osaka Kansai Intl - Bangkok Suvarnabhumi flight prices

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Osaka Kansai Intl Airport when booking week ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around $346 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from Osaka Kansai Intl Airport for as low as $305 on momondo.

There are 3 cabin classes available to choose from on Osaka Kansai Intl Airport to Bangkok Suvarnabhumi Airport 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 4% on your flight if you consider stops on a Osaka Kansai Intl Airport to Bangkok Suvarnabhumi Airport flight.

As of May 2026, prices for Osaka Kansai Intl Airport to Bangkok Suvarnabhumi Airport flights are approximately 16% more expensive when compared to flights at the same time last year.

Thai Vietjet Air and Shandong Airlines are the most popular carriers operating from Osaka Kansai Intl to Bangkok Suvarnabhumi

Thai AirAsia X, Cathay Pacific and Thai Vietjet Air are the top three most popular airlines that fly to Bangkok Suvarnabhumi Airport from Osaka Kansai Intl Airport according to our data. Thai AirAsia X is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Bangkok Suvarnabhumi Airport. Keep in mind that there are 4 different airlines that fly to Bangkok Suvarnabhumi Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 11% of flights between Osaka and Bangkok have experienced a delay on any given week. The average delay length over the past 12 months has been 101 minutes.

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

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

According to our data, Japan Airlines have had the least number of delays on this route over the last 12 months; with about 3% of their flights experiencing any sort of delay.

Shanghai (PVG) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via Xiamen (XMN) offer the lowest average round-trip price of $430.

Flights connecting via Guangzhou (CAN) have the shortest average one-way travel time: 10h 10m.

Guangzhou (CAN) has the shortest average layover time for this route: 2h 03m.

As of May 2026, 11 flights take off from Osaka Kansai Intl Airport and land in Bangkok Suvarnabhumi Airport each day. The most common flight departure time for this route is 12:00AM, with 42% of daily flights taking off in the morning.

As of May 2026, there are 82 flights per week flying from Osaka Kansai Intl Airport to Bangkok Suvarnabhumi Airport. The most common day of the week flights depart is Thu, with 18% of flights taking off on this day.