The Patna to Kolkata route has an average round-trip fare of Rs 4,913 based on 15,870 tracked fares. January is identified as the best month for travel, while August offers the lowest crowd levels despite being a monsoon period. Travelers should expect prices to vary widely, with recorded highs reaching Rs 110,518.
Departure: 2026-10-19 · in 19 days · Prices tracked live by Tripfik
As of September 2026, the cheapest one-way flight from Patna to Kolkata is ₹4,418, which is 31% below the 12-month average of ₹6,434.
Cheapest Patna to Kolkata flights
Under ₹4,733 = top 25% best fares on this route
Round-trip fares — Patna ↔ Kolkata
Booking at the right time saves up to ₹1,069 (22%) vs average RT price.
Best time to visit Kolkata from Patna
| Month | Typical OW fare | Verdict | Weather | Crowd |
|---|---|---|---|---|
| Sep | ₹5,104 | Average | Monsoon, humid | Low |
| Oct | ₹10,342 | Expensive | Warm, humid | Medium |
| Nov | ₹5,200 | Average | Pleasant, cool | High |
| Dec | ₹5,191 | Average | Cool, clear | High |
Kolkata — what to know
From Patna, Air India,Air India Express,Etihad,IndiGo fly to Kolkata in 1h 35m, with non-stop options available.
The average round-trip fare tracked over 15,870 fares is Rs 4,913, with a minimum of Rs 3,844 found in the last 12 months. Prices fluctuate significantly due to high volatility, ranging up to Rs 110,518 for peak demand periods.
Other domestic flights from Patna
Patna to Kolkata — FAQ
What is the Patna to Kolkata flight ticket price?
What is the cheapest month to fly Patna to Kolkata?
How much does a Patna to Kolkata trip cost?
How far in advance should I book Patna to Kolkata flights?
Which airlines fly Patna to Kolkata and are there non-stops?
How many days is ideal for a Kolkata trip from India?
How long is the Patna to Kolkata flight?
What is the best time to visit Kolkata?
What are the top things to do in Kolkata?
Last updated 30 Sep 2026 · Tripfik tracks live fares from all major Indian airports