Reaching Cochin by Flight or car and check-in to your Hotel.

Spend your afternoon in local sightseeing. You can visit these places as well- 

• Jewish synagogue
• Vaikom Mahadeva temple
• Chottanikkara bhagavathy temple

Overnight stay in your hotel and leave for next destination in the morning.

After breakfast, check-out and leave for munnar by car and you will reach in less than 4 hours.

You can explore the Tea gardens, rose gardens, thoovanam falls, Anamudi peak , Attukal waterfalls, or mattupetti dam.

You can also opt to visit temples in the region like the Santhigiri shree maheshwari temple and Attukal bhagavathy temple.

Overnight stay in Munnar.

Leave early after breakfast as it would take around 5 hours to reach Alleppey from Munnar.

You can explore the region in a very unique way, through the famous kerala Houseboats.

You can also take overnight journey of alleppey backwaters at night in the houseboats. These houseboats are as comfortable as any hotel or even can be more luxurious at times.

Last day, after breakfast you can relax at the Mararikulam beach or Alleppey beach. If you still have time and energy, you can visit the Canal bazar as well.

In the evening, you can head back to Cochin by road which will only take 1.5 hours, then take a flight back home.