Flight tickets from Patna to Kolkata

Compare Patna to Kolkata flight deals

Find the cheapest month or even day of the year to fly to Kolkata

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Flight deals from Patna to Kolkata

Looking for a cheap last-minute deal or the best return flight from Patna Airport to Kolkata Airport? If you want to travel next month, return fares start from ₹ 6,779. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Patna to Kolkata

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Patna to Kolkata flights are currently cheapest in October.

Direct flights from Patna to Kolkata

Patna to Kolkata: Alternative routes

Compare routes from Patna to Kolkata below. You may find an airport to fly into that's cheaper, faster, or easier than Kolkata.

Patna to Kolkata: Flight information

The things to know before you go.
Cheapest flight found₹ 3,436
Cheapest month to flyOctober
Average flight time1 hr, 8 mins
Most popular airlineIndiGo
Average flights per week23

Finding cheap flights from Patna to Kolkata: Frequently asked questions

The best price we found for a return flight from Patna to Kolkata is ₹ 5,542. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 8 minutes is the average flight time from Patna to Kolkata.
IndiGo flies direct from Patna to Kolkata.
As of May 2026, there are 23 flights per week flying from Patna to Kolkata.
The cheapest month to fly from Patna to Kolkata is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Patna Airport to Kolkata Airport on Saturday, 8 August 2026.
Yes – the average flight time is 1 hour and 8 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kolkata but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kolkata is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, IndiGo offers the cheapest flight tickets to Kolkata.

Flying from Patna (PAT) to Kolkata (CCU): what you need to know

  • The average time for a direct flight from Patna to Kolkata is 1 hour 10 minutes.
  • Kolkata's timezone is UTC+5:30, which is the same as Patna.
  • Pack your suitcase and choose from 25 weekly Patna to Kolkata flights.
  • To ensure you catch your PAT to CCU flight, allow plenty of time to check in and drop off your luggage. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.
  • Flying during a peak time such as November? Major public holidays and other popular seasons can result in longer queues and delays at security. Play things extra safe and get there up to four hours ahead of international flights and two hours before domestic departures.
  • Jetting into Kolkata (and then seeing more of India!) is a snap with IndiGo. This popular carrier offers direct flights from Patna to Kolkata.
  • The majority of passengers choose to fly with IndiGo on this route.
  • The most punctual carrier that offers PAT to CCU flights is IndiGo. Its services arrive as planned 69.33% of the time.
  • If you want to split up your journey, just uncheck 'Direct flights only' when searching for your ticket from Patna to Kolkata. Here are the most popular stopovers between PAT and CCU:
    • Delhi Indira Gandhi International
    • Hyderabad
    • Bhubaneswar

How to find the cheapest flights from Patna (PAT) to Kolkata (CCU)

  • ₹ 3,436 is currently the lowest price for a one-way Patna to Kolkata flight. Return flights start from ₹ 5,542. These fares can change based on demand.
  • To find cheap tickets from PAT to CCU, book in advance. Airlines usually offer their best fares when flights are first released.
  • The cheapest month for flights from Patna to Kolkata is May. Use the 'Whole month' tool to find the lowest airfares if you have flexible travel dates.
  • You won't have to check every day to find out if fares have dropped when you set up a Price Alert. We'll notify you the moment there's a better deal on cheap flights from PAT to CCU.
  • Tailor your flights with filters. Select your ideal departure and arrival times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from Patna to Kolkata.

Handy information about Patna (PAT)

  • 64% of flights that leave from Patna land at their destination on time.
  • Central Patna to Patna is around 5 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're catching a taxi, ride-sharing or driving.
  • Expect a trip time of around 30 minutes on public transport.
  • Get your travels off to a leisurely start by staying near PAT. Whether you have an early flight from Patna to Kolkata or just don't want to be rushed, these hotels are ideal:

What is the baggage allowance on flights from Patna Airport (PAT) to Kolkata Airport (CCU)?

Flights from PAT to CCU typically include a carry-on bag with standard fares, though allowances can vary depending on your chosen airline and ticket type. Here's what you can generally expect for baggage on this route:

  • IndiGo
    • Carry-on allowance: 7kg cabin bag plus personal item
    • Checked baggage: 15kg included with some economy fares
    • Departure terminal: Patna Airport (PAT), Terminal 1
    • Arrival terminal: Kolkata Airport (CCU), Terminal 1
    • Check-in counters: Open 2 hours before departure
  • Air India Express
    • Carry-on allowance: 7kg cabin bag plus personal item
    • Checked baggage: 15kg included with some economy fares
    • Departure terminal: Patna Airport (PAT), Terminal 1
    • Arrival terminal: Kolkata Airport (CCU), Terminal 2
    • Check-in counters: Open 2 hours before departure
  • Air India
    • Carry-on allowance: 7kg cabin bag plus personal item
    • Checked baggage: 23kg included with some economy fares
    • Departure terminal: Patna Airport (PAT), Terminal 1
    • Arrival terminal: Kolkata Airport (CCU), Terminal 2
    • Check-in counters: Open 3 hours before departure

You can access essential facilities including free Wi-Fi, restaurants, and shops at Patna Airport (PAT). The airport also provides prayer rooms, medical services, and ATM facilities for your convenience. Parking and ground transport connections are available to help you reach Patna Airport (PAT) easily.

Arriving at Kolkata (CCU)

Getting from Kolkata (CCU) to central Kolkata

  • Kolkata is approximately 18 kilometres from the centre of Kolkata. The drive time takes around 35 minutes.
  • When travelling on public transport, expect a journey time of about 50 minutes.

When to fly to Kolkata (CCU)

  • The quietest month for a flight from Patna to Kolkata is June, while January is the most popular. Choose the ideal time to go to Kolkata based on whether you prefer a more fast-paced or easygoing experience.
  • Book your flight from Patna to Kolkata for April if you'd like to explore Kolkata during its warmest month. You can expect temperatures of between 24ºC and 42ºC.
  • January has average temperatures of between 15ºC and 28ºC. Look for cheap tickets from PAT to CCU sometime then if you want to travel in cooler conditions.

Weather snapshot

The weather in Kolkata brings warm summers, monsoon rains, and pleasant winters to this bustling city. Here's what to expect throughout the year:

  • December – February: Winter brings cooler, dry weather that makes these the best times to explore Kolkata. You'll find gentle sunshine and fresh air perfect for sightseeing, with light layers ideal for day trips.
  • March – May: Summer arrives with warm, humid days that heat up quickly. Stay cool with lightweight cotton clothing and plan your sightseeing for early morning or late afternoon when temperatures are more manageable.
  • June – September: Kolkata's monsoon season delivers warm, humid weather with frequent rainfall that refreshes the city. You'll want lightweight, quick-dry clothing and waterproof layers for exploring indoor attractions, museums, and covered markets during this lush, green period.
  • October – November: Post-monsoon season brings refreshing weather that's perfect for exploring outdoor attractions and wandering through the city's bustling streets. You'll love the energising atmosphere as humidity drops, making sightseeing and cultural activities truly enjoyable.

Sightseeing and travel inspiration

Kolkata brings together British colonial architecture, traditional Bengali culture, and a strong literary heritage that has shaped generations of writers and artists. The city moves at a gentler pace than many other major destinations, with tree-lined streets, century-old trams, and neighbourhood markets where locals gather daily. Whether you're planning flights to Kolkata for the food scene or exploring its museums and cultural sites, expect a city that celebrates both its past and present.

  • Things to do in Kolkata: Stroll through the sprawling Maidan, a vast green space perfect for morning walks and evening gatherings, located right in the city centre. Head 8 kilometres south to the Botanical Gardens to wander among centuries-old trees and spot the famous banyan tree. For a taste of local life, explore New Market about 2 kilometres north of the centre, where you can browse everything from spices to textiles in the covered bazaars.
  • Cultural experiences: Attend classical music performances at Rabindra Sadan, about 2 kilometres south of the city centre, or admire Bengali art at the Indian Museum on Chowringhee Road. Sample traditional sweets like rasgulla and sandesh in North Kolkata's historic lanes, roughly 4 kilometres north, alongside exploring the ornate Dakshineswar Kali Temple about 16 kilometres northeast along the Hooghly River.
  • Seasonal highlights: Experience the grandeur of Durga Puja in September or October when the city transforms with elaborate decorations and cultural performances. The winter months from November to February offer the best time to visit Kolkata with pleasant weather perfect for exploring heritage sites and enjoying street food tours. Join the colourful Kali Puja celebrations in October or November, where you can witness traditional rituals and sample festive sweets throughout the neighbourhoods.

Explore more of India

  • Patna is just one of the many cities in India waiting to be discovered once you've taken in the sights of Kolkata. Around 467 kilometres away to the north-west, top sights here include Gurudwara, Buddha Smriti Park and Buddha Statue.
  • Ranchi is another well-known destination in India and is around 322 kilometres west of Kolkata. No trip is complete without a visit to Jagannath Temple, Panchghagh Falls and Sun Temple.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.