Travelers can expect an average round-trip fare of Rs 4,913 for flights between Patna and Kolkata. The best month to fly is January, offering cool and clear weather conditions. With fares tracked at 15,870 instances, the minimum price observed was Rs 3,844.
Departure: 2026-12-15 · in 63 days · Prices tracked live by Tripfik
As of October 2026, the cheapest one-way flight from Patna to Kolkata is ₹4,103, which is 39% below the 12-month average of ₹6,687.
Cheapest Patna to Kolkata flights
Under ₹4,996 = 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 |
|---|---|---|---|---|
| Jan CHEAPEST | ₹4,917 | Average | Cool, clear | High |
| Oct | ₹8,738 | Expensive | Warm, humid | Medium |
| Nov | ₹7,245 | Expensive | Pleasant, cool | High |
| Dec | ₹5,893 | Expensive | 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 is Rs 4,913 with a minimum of Rs 3,844 tracked across 15,870 fares. Prices fluctuate significantly due to high volatility, ranging up to Rs 110,518 depending on booking timing.
Other domestic flights from Patna
Patna to Kolkata — FAQ
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Last updated 13 Oct 2026 · Tripfik tracks live fares from all major Indian airports