About the Kolkata–Siem Reap Route
The Kolkata–Siem Reap route connects India with Siem Reap, one of the most popular international leisure destinations for Indian travellers. Siem Reap attracts holidaymakers, honeymooners, and luxury travellers from Indian metros. Flight time is approximately 4–6 hours. Demand peaks during school holidays (December–January, April–May) and long weekends — book early for the best fares.
Airlines on Kolkata–Siem Reap Route
Who Flies Kolkata to Siem Reap?
💍
Honeymooners & couples
Siem Reap is among India's top honeymoon destinations for outbound international travel.
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Leisure & holiday travellers
Families and groups from Indian metros seeking beach and resort holidays.
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Premium & luxury travellers
The resort economy attracts a higher proportion of business class bookings than typical India routes.
Route Overview: CCU to REP
CCU
Kolkata
REP
Siem Reap
Why Book Kolkata to Siem Reap Flights on HappyFares?
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Booking Tips for Kolkata to Siem Reap
Book 6–8 weeks ahead.
International fares to Siem Reap are cheapest 6–8 weeks before travel. For peak periods, book 10–12 weeks ahead.
Fly mid-week for lower fares.
Tuesday and Wednesday departures are consistently cheaper than Friday and Sunday flights.
Flexible travellers can save 10–20% by shifting a day.
Set a price alert on HappyFares.
If you're not ready to book, track the Kolkata–Siem Reap route and get notified when fares drop to your target price.
Best Time to Book Kolkata to Siem Reap Flights
Cheapest Months
February–March, September–October
Most Expensive Periods
December–January, April (Thai/Khmer New Year)
Southeast Asia is best value in Feb–Mar (dry season, before peak). December–January sees highest fares due to Indian holiday travel.
Popular Flights from Kolkata
Explore other top destinations from Kolkata:
Popular Flights to Siem Reap
Travellers flying to Siem Reap also search from these cities:
Kolkata to Siem Reap Flights — Frequently Asked Questions
How do I book Kolkata to Siem Reap flights?
Visit HappyFares at happyfares.in, enter "Kolkata" as your departure city and "Siem Reap" as your destination, pick your travel date, and click Search. You'll see all available flights with real-time fares. Select your preferred flight and complete booking in under 3 minutes. You get an instant e-ticket with no convenience fee on domestic routes.
What is the cheapest Kolkata to Siem Reap flight?
Fares on Kolkata to Siem Reap routes vary by airline, travel date, and how early you book. Search on HappyFares to compare current live fares across all airlines. Booking 6–8 weeks ahead typically gives you the lowest price.
Which airlines fly Kolkata to Siem Reap?
Airlines operating Kolkata to Siem Reap include: IndiGo. Search on HappyFares to compare their fares side-by-side.
How early should I book Kolkata to Siem Reap flights?
For Kolkata to Siem Reap, book 6–8 weeks ahead for the best international fares. For peak seasons (December–January, summer), 10–12 weeks ahead is recommended. Fares typically rise sharply in the final 3 weeks before departure.
Is there a direct flight from Kolkata to Siem Reap?
Direct flight availability on Kolkata to Siem Reap depends on the airline and season. Search HappyFares and use the "Direct flights" filter to check current nonstop options for your travel date.
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