The average round-trip fare tracked is Rs 4,567 with a minimum of Rs 3,427 over the last 12 months. December is identified as the best month to travel due to cool and clear weather conditions. Travelers should expect high volatility in pricing across this route.
Departure: 2026-11-29 · in 61 days · Prices tracked live by Tripfik
As of September 2026, the cheapest one-way flight from Kolkata to Patna is ₹3,739, which is 30% below the 12-month average of ₹5,331.
Cheapest Kolkata to Patna flights
Under ₹4,267 = 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 |
|---|---|---|---|---|
| Sep | ₹4,843 | Average | Monsoon/Wet | Medium |
| Oct | ₹7,637 | Expensive | Warm/Dry | High |
| Nov | ₹5,025 | Average | Cool/Clear | High |
| Dec CHEAPEST | ₹4,084 | 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 16,015 with an average round-trip cost of Rs 4,567 over the last 12 months. The minimum fare observed was Rs 3,427, though prices can spike to a maximum of Rs 154,226 depending on demand.
Other domestic flights from Kolkata
Kolkata to Patna — FAQ
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Last updated 29 Sep 2026 · Tripfik tracks live fares from all major Indian airports