$515 Cheap Flights from Kolkata (CCU) to Denver (DEN)

View $515 flight on Mon, Dec 15, 2025Opens in a new window

Popular airlines from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Denver Intl. Airport (DEN)

Cheap Flights from Kolkata to Denver (CCU-DEN)

Prices were available within the past 7 days and start at $515 for one-way flights and $1,183 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Fri, Nov 7 - Wed, Nov 12
CCU
Kolkata
DEN
Denver
$1,183 Roundtrip, found 2 days ago
$1,183
Roundtrip
found 2 days ago
Select Etihad Airways flight, departing Fri, Nov 7 from Kolkata to Denver, returning Wed, Nov 12, priced at $1,183 found 2 days ago
Air India
Fri, Nov 7 - Wed, Nov 12
CCU
Kolkata
DEN
Denver
$1,278 Roundtrip, found 2 days ago
$1,278
Roundtrip
found 2 days ago
Select Air India flight, departing Fri, Nov 7 from Kolkata to Denver, returning Wed, Nov 12, priced at $1,278 found 2 days ago
Air India
Fri, Nov 7 - Wed, Nov 12
CCU
Kolkata
DEN
Denver
$1,299 Roundtrip, found 2 days ago
$1,299
Roundtrip
found 2 days ago
Select Air India flight, departing Fri, Nov 7 from Kolkata to Denver, returning Wed, Nov 12, priced at $1,299 found 2 days ago
Qatar Airways
Fri, Nov 14 - Mon, Dec 29
CCU
Kolkata
DEN
Denver
$1,304 Roundtrip, found 3 days ago
$1,304
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Fri, Nov 14 from Kolkata to Denver, returning Mon, Dec 29, priced at $1,304 found 3 days ago
Air India
Fri, Nov 7 - Wed, Nov 12
CCU
Kolkata
DEN
Denver
$1,313 Roundtrip, found 2 days ago
$1,313
Roundtrip
found 2 days ago
Select Air India flight, departing Fri, Nov 7 from Kolkata to Denver, returning Wed, Nov 12, priced at $1,313 found 2 days ago
Lufthansa
Fri, Nov 21 - Mon, Dec 29
CCU
Kolkata
DEN
Denver
$1,323 Roundtrip, found 17 hours ago
$1,323
Roundtrip
found 17 hours ago
Select Lufthansa flight, departing Fri, Nov 21 from Kolkata to Denver, returning Mon, Dec 29, priced at $1,323 found 17 hours ago
Air India
Fri, Nov 7 - Wed, Nov 12
CCU
Kolkata
DEN
Denver
$1,372 Roundtrip, found 2 days ago
$1,372
Roundtrip
found 2 days ago
Select Air India flight, departing Fri, Nov 7 from Kolkata to Denver, returning Wed, Nov 12, priced at $1,372 found 2 days ago
Air India
Fri, Nov 21 - Mon, Dec 29
CCU
Kolkata
DEN
Denver
$1,373 Roundtrip, found 17 hours ago
$1,373
Roundtrip
found 17 hours ago
Select Air India flight, departing Fri, Nov 21 from Kolkata to Denver, returning Mon, Dec 29, priced at $1,373 found 17 hours ago
Lufthansa
Fri, Nov 21 - Mon, Dec 29
CCU
Kolkata
DEN
Denver
$1,376 Roundtrip, found 17 hours ago
$1,376
Roundtrip
found 17 hours ago
Select Lufthansa flight, departing Fri, Nov 21 from Kolkata to Denver, returning Mon, Dec 29, priced at $1,376 found 17 hours ago
Singapore Airlines
Sat, May 30 - Sat, Aug 29
CCU
Kolkata
DEN
Denver
$1,474 Roundtrip, found 1 hour ago
$1,474
Roundtrip
found 1 hour ago
Select Singapore Airlines flight, departing Sat, May 30 from Kolkata to Denver, returning Sat, Aug 29, priced at $1,474 found 1 hour ago

Frequently asked questions

How much does a flight from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Denver Intl. Airport (DEN) cost?
Get a cheap one-way flight from $515 or cheap return flight from $1,183 from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Denver Intl. Airport (DEN)?
November is the most affordable month to fly from CCU to DEN. Traveling during quieter months is often the key to better flight prices.
What is the cheapest airline that flies from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Denver Intl. Airport (DEN)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CCU to DEN flight.
How many flights per day from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Denver Intl. Airport (DEN)?
Nonstop flights from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Denver Intl. Airport (DEN) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CCU to DEN?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Denver Intl. Airport (DEN)?
Book a flight from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Denver Intl. Airport (DEN) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Denver Intl. Airport (DEN) last-minute?
Waiting until right before your break to book a ticket from CCU to DEN often results in higher prices. While it's possible to find some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule for the best chance of getting a bargain.
Is it cheaper to book a CCU to DEN flight and hotel package?
Opting for a CCU to DEN flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our extensive range of accommodations and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Netaji Subhash Chandra Bose Intl. Airport (CCU) to Denver Intl. Airport (DEN)?
It's usually possible to reschedule or cancel your CCU to DEN flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Netaji Subhash Chandra Bose Intl.
Destination airport
Denver Intl.
Airlines serving
British Airways, Etihad Airways, Lufthansa, Qatar Airways, Singapore Airlines
Roundtrip price
$1,183
Distance
8036 mi

Book with confidence

Kolkata to Denver Flights

The cheapest times to fly from Kolkata to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kolkata to Denver are during the month of November. You can find some of the cheapest flights from Kolkata to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kolkata to Denver

Sunday is one of the best days to book for cheap flights from Kolkata to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kolkata to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kolkata to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $515 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kolkata to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kolkata to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Kolkata to Denver Flights

Explore a world of travel with Expedia

*Available to One Key members.