Patna to Kolkata Flights — Guide 2026

Patna to Kolkata flight guide — airlines, fares, baggage, terminals and travel documents.

Cheap flights from Patna to Kolkata — book online with FlightGPT

Quick answer: Patna to Kolkata non-stop flights take about ≈ 1h 15m, operated by IndiGo (non-stop); Air India one-stop, ≈ 2–3 non-stops daily. This is a domestic route within India, so no visa is required. Use the live search above to compare today's cheapest PAT–CCU fare across every airline, OTA and travel agent in one place.

Last reviewed July 2026 by the FlightGPT flights desk · route facts cross-checked against DGCA and the Airports Authority of India (AAI) · how we collect fares · editorial policy · fact-checking · fares are live — verify the final price in search before booking.

Looking for cheap flights from Patna to Kolkata? FlightGPT compares live PAT to CCU fares across every connected source — Indian carriers, OTAs and trusted travel agents — and shows the cheapest options side by side. Whether you want a Patna to Kolkata non-stop tomorrow, a last-minute weekend deal or the lowest price three months out, every active Patna-Kolkata fare is one search away.

Patna to Kolkata flights — quick facts

Airlines on the Patna–Kolkata route — compared

AirlineCabin bagChecked (economy)Notable for
IndiGo7 kg15 kgLargest network; strong on-time record
Air India7 kg15-25 kgFull-service; meals included

Standard domestic economy allowance; premium fares and elite tiers may include more. Confirm against your fare — each airline's baggage page is linked above.

Airlines and non-stop options on Patna–Kolkata

On PAT–CCU in 2026, IndiGo is the main and effectively the only reliable non-stop operator, flying A320-family jets two to three times a day. Air India and other carriers appear mostly as one-stop connections, usually via Delhi, which makes little sense on a sub-500 km hop unless the fare is unusually low. SpiceJet has served Patna at times but is not dependable here in 2026. Go First and Jet Airways are defunct — disregard old listings. Because frequency is modest, book early if you need a specific departure time.

Flight time, distance and routing

Patna and Kolkata are about 470 km apart and the non-stop flight is short — roughly 1 hour 15 minutes. Both cities are on IST, so there is no time change. The actual flying time is brief enough that airport processing dominates the door-to-door journey. There is no need for a connecting flight; one-stop itineraries via Delhi can more than triple your travel time and are worth taking only for a large fare saving.

Best time to book and seasonal fares

Demand on this eastern corridor rises around Durga Puja and Chhath (the big Bihar and Bengal festivals in autumn), the year-end holidays and the summer break. Outside those windows fares are usually reasonable. With only a handful of daily non-stops, popular slots fill earlier than on high-frequency routes, so booking two to four weeks ahead is sensible, and earlier for festival travel.

PeriodDemandFare pressure
Feb–MarLowCheapest window
May–Jun (holidays)ModerateGood value
Oct (Durga Puja / Chhath)Very highPeak
Nov–Dec (wedding season)HighElevated
Late DecHighElevated

Getting your fare cheaper

Search a couple of days either side of your date — with few daily flights, prices vary noticeably by departure. Midweek tends to beat weekends. Travel hand-baggage-only on IndiGo to access the lowest fare, and add checked bags online if needed. Book ahead of festival peaks rather than hoping for a last-minute drop, which rarely comes on a thin route. Fares are quoted qualitatively here — confirm the live number before booking.

Best departure windows

Patna's non-stops typically depart from mid-morning onwards. A late-morning or early-afternoon departure gives you a comfortable same-day Kolkata arrival with time to spare, and clears Patna's winter fog window. Evening departures suit a full day in Patna first but arrive into Kolkata after dark; either works given the short hop. Aim to land before Kolkata's evening road rush if you have onward city travel.

Advice by traveller type

Business travellers: the flight makes a same-day Patna–Kolkata return feasible where the overnight train cannot; pick the earliest non-stop and travel cabin-only to clear the airport fast. Families: the short flight is far easier than the long train with children — book early for festival peaks and reserve seats together. Students: the cheapest IndiGo hand-baggage fare is the value pick, though the overnight train remains a budget option on this corridor. No carrier guarantees a student discount.

Airports and terminals

Patna's Jay Prakash Narayan International Airport (PAT) moved into a large new single terminal in 2025, with more check-in counters, aerobridges and DigiYatra gates — a big upgrade on the cramped old building. Kolkata's Netaji Subhas Chandra Bose International Airport (CCU) operates from a single integrated terminal handling both domestic and international flights, so there is no terminal confusion at either end of this route. Confirm gates on your boarding pass and the airport screens.

Getting to and from the airports

Patna's airport is unusually central — only about 5 km from the city, so cabs take 15–25 minutes outside peak hours, though the single approach road can clog. Kolkata's airport is about 15 km north-east of the centre; app cabs and pre-paid taxis take 30–60 minutes depending on traffic, and the airport is connected to the city's road network and (increasingly) Metro. Use DigiYatra at Patna to speed through security on this short trip.

Baggage allowance

IndiGo domestic economy allows 15 kg checked and 7 kg cabin in standard fares, with a cheaper hand-baggage-only fare available. On a one-hour hop, cabin-only travel is genuinely practical and lets you skip the belt entirely. Buy any extra allowance online in advance — it is cheaper than the airport counter. For current limits see IndiGo baggage.

Patna–Kolkata vs the train

The flight is about 1 hour 15 minutes in the air versus eight to twelve hours by train on the Patna–Howrah/Kolkata routes. When airport time is added the door-to-door gap narrows, but the flight still wins decisively for same-day business trips or when time matters. The train remains the cheaper, sleeper-friendly choice for unhurried or overnight travel. For festival travel, book either mode well ahead.

FlightGPT tip

Use DigiYatra at Patna's new terminal — on a one-hour flight, the time you save at security is a meaningful share of the trip. And because the route has only a few non-stops a day, lock in your preferred departure early, especially around Durga Puja and Chhath when seats vanish fast.

Frequently asked questions

Is there a direct non-stop flight from Patna to Kolkata?

Yes. IndiGo operates the non-stop on PAT–CCU, typically two to three times a day, taking about 1 hour 15 minutes. Other carriers mostly offer one-stop connections via Delhi.

How long is the Patna to Kolkata flight?

The non-stop sector is about 1 hour 15 minutes for roughly 470 km. There is no time difference, as both cities are on IST.

Which airlines fly Patna to Kolkata?

IndiGo is the main non-stop operator. Air India and others appear mainly as one-stop connections. Go First and Jet Airways are defunct, so ignore old listings naming them.

Which terminal at Patna and Kolkata airports?

Patna's airport moved into a new single terminal in 2025. Kolkata operates from one integrated terminal for both domestic and international flights, so there is no terminal confusion at either end.

Is flying or the train better Patna to Kolkata?

The flight is far faster — about 1h 15m in the air versus eight to twelve hours by train. Fly for same-day trips and when time matters; take the train for lower cost or an overnight sleeper journey.

What is the cheapest time to book Patna–Kolkata?

February–March is usually cheapest. With few daily flights, book two to four weeks ahead, midweek where possible, and earlier for festival travel around Durga Puja and Chhath.

Can I get a refund if I cancel?

Yes, subject to fare rules. DGCA norms require refund of statutory taxes and applicable amounts; refundable fares return more than non-refundable ones. Cancellation within 24 hours of booking (for tickets bought at least seven days ahead) is free.

What is the baggage allowance?

IndiGo domestic economy allows 15 kg checked and 7 kg cabin, with a cheaper hand-baggage-only fare available. On a one-hour hop, cabin-only travel is practical. See /airlines/indigo/baggage.

When does web check-in open?

Web check-in opens 48 hours before departure on IndiGo and closes shortly before the gate. Use it to pick a seat and skip the counter if you carry only cabin baggage.

Does fog affect Patna–Kolkata flights?

Patna can get winter fog on December and January mornings that delays early departures. A late-morning or midday flight is usually a safer bet in peak fog season.

Can I carry my pet on this route?

IndiGo does not carry pets in the cabin. If you need to fly a pet, you would need a carrier and itinerary that allows it (such as Air India, often via a connection) and the required health documents. Confirm the current policy before booking.

What are the rules for travelling with an infant?

Infants under two travel on a lap at a nominal fare without a separate seat or free baggage allowance on most fares. Carry age proof and request bassinet or bulkhead seating in advance.

Should I book directly or through an OTA?

Base fares are usually the same; direct booking simplifies changes and refunds, while OTAs sometimes run promos. FlightGPT compares both so you see the cheapest reliable option.

Do I need any document to fly Patna to Kolkata?

Only a valid government photo ID such as Aadhaar, passport, driving licence or voter ID. This is a domestic flight, so no visa is required; DigiYatra is optional but speeds up security.

Ask FlightGPT — Patna to Kolkata in plain English

FlightGPT is a natural-language flight search: ask the way you'd ask a friend, and it compares live PAT–CCU fares across every airline, OTA and travel agent. Try one:

How to get the cheapest Patna–Kolkata fare

What you pay on the Patna–Kolkata route hinges on timing: book roughly 3–8 weeks ahead, stay flexible on the day of week, and you usually land the better fare. Search Patna to Kolkata live to see how today's price compares to dates a month out — the gap is often 25–40 percent across IndiGo (non-stop); Air India one-stop.

Same-week Patna to Kolkata tickets

Last-minute Patna to Kolkata fares move fast, but they're rarely the same across every airline. Run your date through the search above and FlightGPT compares real-time Patna Kolkata prices across IndiGo (non-stop); Air India one-stop — so you grab the cheapest seat still open, not the first one you see.

Patna to Kolkata non-stop and direct flights

Most travellers prefer the Patna to Kolkata non-stop option. The direct Patna-Kolkata flight time is ≈ 1h 15m. If you are flexible, 1-stop alternatives through major hubs can be 15-30 percent cheaper. FlightGPT lets you filter by "Direct only" or compare both side by side — useful when you want the cheapest Patna Kolkata ticket but are open to a layover.

What Patna–Kolkata fares look like

Expect Patna–Kolkata fares to vary by cabin, baggage and how the fare is bundled. A bare low-cost fare can end up dearer than a full-service IndiGo (non-stop); Air India one-stop ticket once you add a bag and a seat. FlightGPT shows the all-in price for each option, so you're comparing like for like rather than misleading lead-in fares.