Cheap Flights from Denver (DEN) to Kolkata (CCU)

Compare Denver International 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 Denver International to Kolkata

Looking for a cheap last-minute deal or the best return flight from Denver International Airport to Kolkata Airport? If you want to travel next month, return fares start from $1,908. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver International to Kolkata

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

Denver International to Kolkata: Alternative routes

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

Denver to Kolkata: Flight information

The things to know before you go.
Cheapest flight found$1,472
Cheapest month to flySeptember

Finding cheap flights from Denver International to Kolkata: Frequently asked questions

The best price we found for a return flight from Denver International to Kolkata is $1,472. 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.
Currently, there are no airlines that fly direct from Denver International to Kolkata. But we found flights with one or more stops from $1,472.
As of July 2026, there are no flights flying from Denver International to Kolkata.
The cheapest month to fly from Denver International to Kolkata is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Kolkata Airport on Friday, 4 September 2026.
No airlines currently offer direct flights between Denver International Airport and Kolkata Airport. Most routes have one or more stops.
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, jetBlue offers the cheapest flight tickets to Kolkata.

Flying from Denver International Airport (DEN) to Kolkata Airport (CCU): what you need to know

  • The timezone in Kolkata is UTC+5:30, which is 12 hours 30 minutes ahead of Denver.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to catch your DEN to CCU flight.

  • You can expect longer queues in popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure will give you ample time for security and boarding.

Handy information about Denver International Airport (DEN)

  • DEN is located at 8500 Pena Boulevard.

  • 80% of flights leaving Denver International Airport touch down at their destination according to schedule. With its strong on-time performance, delays are unlikely when jetting out of DEN.

  • Central Denver to Denver International Airport is around 40 kilometres. Depending on traffic, it'll take you about 35 minutes to get there if you're ride-sharing, catching a taxi or driving.

  • Expect a trip time of around 35 minutes when using public transport.

  • Booking a night at a hotel can take the stress out of getting to the airport on time. If you want somewhere to stay before your flight from Denver International Airport to Kolkata Airport, take a look at Baymont by Wyndham Denver International Airport. It's a quick drive from DEN.

Arriving at Kolkata Airport (CCU)

Getting from Kolkata Airport (CCU) to central Kolkata

  • From Kolkata Airport, Kolkata is approximately 18 kilometres away. It takes around 35 minutes to drive to the centre.

  • If you're travelling on public transport, expect a journey time of around 50 minutes.

When to fly to Kolkata Airport (CCU)

  • It's time to pick your dates for your flight from Denver International Airport to Kolkata Airport. January is the most popular month to head to Kolkata. If you'd like a more relaxed vibe, go in June.

  • Before locking in your flight from Denver International Airport to Kolkata Airport, think about the kind of weather you enjoy. April is the warmest month in Kolkata, with the temperature ranging from 24ºC (75ºF) to 42ºC (108ºF).

  • For cooler conditions, search for a cheap ticket from DEN to CCU in January. Average temperatures are between 15ºC (59ºF) and 28ºC (82ºF) then.

Explore more of India

  • Kolkata has its own special appeal, but there are so many other parts of India just waiting to be explored. About 467 kilometres north-west of Kolkata, a trip to Patna will keep you on the go. Check out popular attractions like 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 seeing Jagannath Temple, Panchghagh Falls and Sun Temple.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.