The Kolkata to Patna route averages Rs 4,567 for a round-trip ticket based on 16,015 tracked fares over the last 12 months. December is identified as the best month to travel due to cool and clear weather conditions. While minimum fares can drop to Rs 3,427, travelers should note high volatility with maximum prices reaching Rs 154,226.
Departure: 2026-12-08 · in 56 days · Prices tracked live by Tripfik
As of October 2026, the cheapest one-way flight from Kolkata to Patna is ₹3,844, which is 33% below the 12-month average of ₹5,734.
Cheapest Kolkata to Patna flights
Under ₹4,264 = top 25% best fares on this route
Round-trip fares — Kolkata ↔ Patna
Booking at the right time saves up to ₹1,140 (25%) vs average RT price.
Best time to visit Patna from Kolkata
| Month | Typical OW fare | Verdict | Weather | Crowd |
|---|---|---|---|---|
| Jan | ₹4,447 | Average | Cool/Clear | Medium |
| Oct | ₹8,260 | Expensive | Warm/Dry | High |
| Nov | ₹6,151 | Expensive | Cool/Clear | High |
| Dec CHEAPEST | ₹4,455 | Average | Cool/Clear | Medium |
Patna — what to know
From Kolkata, Etihad,Air India,IndiGo,Malaysia Airlines fly to Patna in 2h 0m, with non-stop options available.
Fares tracked show an average round-trip cost of Rs 4,567 over the last 12 months with a minimum of Rs 3,427.
Other domestic flights from Kolkata
Kolkata to Patna — FAQ
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Last updated 13 Oct 2026 · Tripfik tracks live fares from all major Indian airports