The average round-trip fare from Kolkata to Guwahati is Rs 5,947, with September being the cheapest month. However, fares fluctuate significantly, ranging from Rs 4,640 (minimum) to Rs 21,029 (maximum). Air India Express and IndiGo are the primary carriers operating this route.
Departure: 2026-09-18 · in 2 days · Prices tracked live by Tripfik
As of September 2026, the cheapest one-way flight from Kolkata to Guwahati is ₹4,664, which is 29% below the 12-month average of ₹6,593.
Cheapest Kolkata to Guwahati flights
Under ₹5,646 = top 25% best fares on this route
Round-trip fares — Kolkata ↔ Guwahati
Booking at the right time saves up to ₹1,727 (27%) vs average RT price.
Best time to visit Guwahati from Kolkata
| Month | Typical OW fare | Verdict | Weather | Crowd |
|---|---|---|---|---|
| Sep CHEAPEST | ₹6,029 | Average | Monsoon/Warm | Medium |
| Oct | ₹6,873 | Average | Clear/Cool | Medium |
| Nov | ₹5,813 | Average | Cool/Dry | Low |
| Dec | ₹6,760 | Average | Cool/Dry | Low |
Guwahati — what to know
From Kolkata, Air India Express,IndiGo fly to Guwahati in 1h 31m, with non-stop options available.
Fares for Kolkata to Guwahati show significant variation, with the minimum round-trip fare at Rs 4,640 over the past year. September is the best month for cheaper flights, while July remains the most expensive due to high demand and monsoon season.
Other domestic flights from Kolkata
Kolkata to Guwahati — FAQ
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Last updated 16 Sep 2026 · Tripfik tracks live fares from all major Indian airports