This year, Makha Bucha Day falls on Monday, March 6.
Passengers flying out of Suvarnabhumi can park their cars in the Zone C parking area, which can accommodate up to 719 vehicles.
Free parking will be provided from just after midnight on Friday, March 3, until just before midnight on Tuesday, March 7.
The airport will also provide a free shuttle bus service between the parking zone and the passenger terminal. The shuttle will run every 15 minutes around the clock.
International passengers have been advised to check in three hours before their flight, while domestic passengers can do so two hours before their take-off time.