Cheap flights from Bangkok Suvarnabhumi Airport to Osaka from $140

In general, June is the cheapest month to fly from Bangkok Suvarnabhumi Airport to Osaka Kansai Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $268. If you aren’t able to travel during the month of June, then book flights to Osaka Kansai Intl Airport from Bangkok Suvarnabhumi Airport during September instead. Flights to Osaka Kansai Intl Airport in September, while not as cheap as those in June, still average around $274.

The cheapest day to depart from Bangkok Suvarnabhumi Airport to Osaka Kansai Intl Airport is on a Saturday. Travelers who choose to depart for Osaka Kansai Intl Airport on a Saturday will often find tickets for as low as $470. Flights from Bangkok Suvarnabhumi Airport to Osaka Kansai Intl Airport on a Wednesday will generally be more expensive and average around $566. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Bangkok Suvarnabhumi Airport to Osaka Kansai Intl Airport flights are usually those with departure times in the morning. Our users have found flights to Osaka Kansai Intl Airport in the morning for as low as $317. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $365 on average. Flights to Osaka Kansai Intl Airport from Bangkok Suvarnabhumi Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Osaka Kansai Intl Airport from Bangkok Suvarnabhumi Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Osaka Kansai Intl Airport for around $371 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Osaka Kansai Intl Airport from Bangkok Suvarnabhumi Airport for as low as $315 on momondo.

There are 3 cabin classes available to choose from on Bangkok Suvarnabhumi to Osaka Kansai Intl 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 Bangkok Suvarnabhumi Airport to Osaka Kansai Intl Airport.

As of February 2026, prices for Bangkok Suvarnabhumi Airport to Osaka Kansai Intl Airport flights are approximately 52% cheaper when compared to flights at the same time last year.

Shandong Airlines and China Eastern are the most popular carriers operating from Bangkok Suvarnabhumi to Osaka Kansai Intl

Thai AirAsia X, Japan Airlines and Peach are the top three most popular airlines that fly to Osaka Kansai Intl Airport from Bangkok Suvarnabhumi Airport according to our data. Thai AirAsia X is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Osaka Kansai Intl Airport. Keep in mind that there are 7 different airlines that fly to Osaka Kansai Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 28% of flights between Bangkok and Osaka have experienced a delay on any given week. The average delay length over the past 12 months has been 99 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night 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. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Thai Airways have had the least number of delays on this route over the last 12 months; with about 21% of their flights experiencing any sort of delay.

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

Flights via Ho Chi Minh City (SGN) offer the lowest average round-trip price of $296.

Flights connecting via Ho Chi Minh City (SGN) have the shortest average one-way travel time: 7h 45m.

Hong Kong (HKG) has the shortest average layover time for this route: 1h 54m.

16 flights are operational daily from Bangkok Suvarnabhumi Airport to Osaka Kansai Intl Airport as of February 2026. The most popular departure time for this route is 1:00AM, with 52% of flights per day taking off in the morning.

115 flights are operational weekly from Bangkok Suvarnabhumi Airport to Osaka Kansai Intl Airport as of February 2026. The most popular departure day for this route is Tue, with 15% of flights per week taking off on this day.