Kolkata to Delhi flights average Rs 8,386 round-trip, with September as the cheapest month. Fares vary widely (Rs 6,405–Rs 64,231), so travelers should track prices closely. The route is popular for cultural heritage and budget travel, with a daily budget of Rs 1,500–Rs 4,000 in Delhi.
Departure: 2026-09-10 · in 0 days · Prices tracked live by Tripfik
As of September 2026, the cheapest one-way flight from Kolkata to Delhi is ₹7,146, which is 10% below the 12-month average of ₹7,947.
Cheapest Kolkata to Delhi flights
Under ₹7,277 = top 25% best fares on this route
Round-trip fares — Kolkata ↔ Delhi
Booking at the right time saves up to ₹2,328 (27%) vs average RT price.
Best time to visit Delhi from Kolkata
| Month | Typical OW fare | Verdict | Weather | Crowd |
|---|---|---|---|---|
| Sep | ₹7,282 | Great value | Monsoon | Low |
| Oct | ₹7,786 | Average | Warm | Medium |
| Nov | ₹7,593 | Average | Pleasant | High |
| Dec | ₹8,244 | Average | Cool/Clear | High |
Delhi — what to know
From Kolkata, Air India,Air India Express,Akasa Air,IndiGo,SpiceJet,Thai Lion Air fly to Delhi in 2h 33m, with non-stop options available.
The route sees average round-trip fares of Rs 8,386 over 12 months, with minimums as low as Rs 6,405. September is the best month for cheaper fares, while November is the worst due to high volatility.
Other domestic flights from Kolkata
Kolkata to Delhi — FAQ
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Last updated 10 Sep 2026 · Tripfik tracks live fares from all major Indian airports