Travelers can expect an average round-trip fare of Rs 4,513 for flights between Kolkata and Patna with airlines like IndiGo and Air India. December is identified as the best month to travel due to cool and clear weather conditions.
Departure: 2026-10-06 · in 15 days · Prices tracked live by Tripfik
As of September 2026, the cheapest one-way flight from Kolkata to Patna is ₹3,952, which is 54% below the 12-month average of ₹8,673.
Cheapest Kolkata to Patna flights
Under ₹4,552 = top 25% best fares on this route
Round-trip fares — Kolkata ↔ Patna
Booking at the right time saves up to ₹1,123 (25%) vs average RT price.
Best time to visit Patna from Kolkata
| Month | Typical OW fare | Verdict | Weather | Crowd |
|---|---|---|---|---|
| Sep | ₹4,634 | Average | Monsoon/Wet | Medium |
| Oct | ₹19,500 | Expensive | Warm/Dry | High |
| Nov | ₹5,463 | Expensive | Cool/Clear | High |
| Dec CHEAPEST | ₹4,642 | 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 for this route total 13,568 with an average round-trip fare of Rs 4,513 over the last 12 months. The minimum recorded fare is Rs 3,427 while volatility remains high.
Other domestic flights from Kolkata
Kolkata to Patna — FAQ
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Last updated 21 Sep 2026 · Tripfik tracks live fares from all major Indian airports