The craze surrounding the pink ball India-Bangladesh Test at the Eden Gardens has sent airfares on the Dhaka-Calcutta route soaring.
At 6pm on Wednesday, IndiGo was charging more than Rs 18,000 for flying from Dhaka to Calcutta on Thursday evening.
Tour operators said the fare usually varied between Rs 4,000 and Rs 5,000. The fares are expected to go up further on Friday morning.
The Test starts at 1pm on Friday.
The 10-odd flights from Dhaka to Calcutta on Thursday were mostly full.
An IndiGo official said its Thursday evening flight had 180 seats. By Wednesday afternoon, 175 were booked.