HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kolkata

$1,228+ Cheap flights from Denver (DEN) to Kolkata (CCU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CCU
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver to Kolkata with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Denver to Kolkata

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Kolkata (CCU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,068
(Indian Eagle)

Popular in

December

Cheapest in

April

Average price

$1,345
Provider with most accurate pricing for Denver Intl-Kolkata Netaji S. Chandra flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Kolkata Netaji S. Chandra flights.
Search Deals
From Denver Intl to Kolkata Netaji S. Chandra
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($230 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Denver to Kolkata

Cheapest flights from Denver to Kolkata
Explore the most affordable flight options available from Denver to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This KAYAK deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:05 pmDEN - CCU
2 stops25h 20mQatar Airways
Thu 12/253:25 amCCU - DEN
2 stops28h 46mQatar Airways
Deal found 10/25$1,228
This KAYAK deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/118:50 amDEN - CCU
2 stops52h 35mQatar Airways
Thu 12/253:25 amCCU - DEN
2 stops28h 46mQatar Airways
Deal found 10/25$1,231
This Justfly.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:51 amDEN - CCU
2 stops49h 34mQatar Airways
Sun 11/303:25 amCCU - DEN
2 stops50h 57mQatar Airways
Deal found 10/26$1,256
This FlightHub deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1812:51 pmDEN - CCU
2 stops48h 34mQatar Airways
Sun 12/283:25 amCCU - DEN
2 stops57h 04mQatar Airways
Deal found 10/25$1,259
This Justfly.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:05 pmDEN - CCU
2 stops25h 20mQatar Airways
Sat 12/273:25 amCCU - DEN
2 stops53h 16mQatar Airways
Deal found 10/25$1,263
This KAYAK deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:05 pmDEN - CCU
2 stops25h 20mQatar Airways
Thu 12/253:25 amCCU - DEN
2 stops28h 46mQatar Airways
Deal found 10/25$1,268
This Indian Eagle deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:51 amDEN - CCU
2 stops49h 34mQatar Airways
Thu 12/253:25 amCCU - DEN
2 stops28h 46mQatar Airways
Deal found 10/25$1,271
This Justfly.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:00 amDEN - CCU
2 stops30h 25mQatar Airways
Sun 11/303:25 amCCU - DEN
2 stops47h 03mQatar Airways
Deal found 10/27$1,274

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Kolkata that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Denver to Kolkata that are best for you.

Fly from

Denver

Fly to

Kolkata

Route

Depart

Return

Price

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sun 1/18

11:35 am-7:55 pm

2 stops43h 50m

Kolkata Netaji S. Chandra

Thu 1/29

9:55 am-10:45 am

2 stops61h 20m

$1,228

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 11/17

11:51 am-1:55 am

2 stops49h 34m

Kolkata Netaji S. Chandra

Sun 11/30

3:25 am-5:52 pm

2 stops50h 57m

$1,256

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 11/13

12:05 pm-1:55 am

2 stops25h 20m

Kolkata Netaji S. Chandra

Sat 12/27

3:25 am-8:11 pm

2 stops53h 16m

$1,263

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 11/15

7:00 am-1:55 am

2 stops30h 25m

Kolkata Netaji S. Chandra

Sun 11/30

3:25 am-1:58 pm

2 stops47h 03m

$1,274

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 11/13

8:50 am-1:55 am

2 stops52h 35m

Kolkata Netaji S. Chandra

Fri 12/26

3:25 am-7:41 pm

2 stops28h 46m

$1,329

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Tue 11/18

8:50 am-1:55 am

2 stops52h 35m

Kolkata Netaji S. Chandra

Sat 12/27

3:25 am-8:11 pm

2 stops53h 16m

$1,344

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sun 1/18

5:37 pm-10:25 pm

2 stops40h 18m

Kolkata Netaji S. Chandra

Thu 1/29

11:40 pm-10:21 pm

3 stops35h 11m

$1,348

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Fri 11/14

8:50 am-1:55 am

2 stops28h 35m

Kolkata Netaji S. Chandra

Sun 12/28

3:25 am-11:59 pm

2 stops57h 04m

$1,349

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Wed 11/19

12:05 pm-1:55 am

2 stops25h 20m

Kolkata Netaji S. Chandra

Sun 11/30

3:25 am-3:46 pm

2 stops48h 51m

$1,356

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sun 11/16

9:11 am-1:55 am

2 stops52h 14m

Kolkata Netaji S. Chandra

Sun 11/30

3:25 am-1:58 pm

2 stops47h 03m

$1,361

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 12 results
1
2

Compare providers for flights from Denver to Kolkata

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Kolkata in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Kolkata flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Kolkata flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Kolkata flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Kolkata flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Kolkata flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Kolkata

What is the cheapest month to book a flight from Denver to Kolkata?

Currently, September is the cheapest month in which you can book a flight from Denver to Kolkata (average of $972). Flying from Denver to Kolkata in June is currently the most expensive (average of $1,452). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to CCU?

Find hourly flight availability from Denver to Kolkata. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

It’s typically best to fly out from Denver to Kolkata in the morning. Doing so could potentially save you 33% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Kolkata

Get insights into the airlines that provide service to Kolkata. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kolkata. Reviews last updated October 27, 2025.
Peruse reviews from past customers who have flown with Qatar Airways, Etihad Airways, and Lufthansa from Denver to Kolkata to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,658 reviews

Comfort

7.4

Boarding

7.5

Entertainment

7.4

Overall

7.4

Crew

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,658 reviews
Qatar Airways
7.4
Good
3,658 reviews

Comfort

7.4

Boarding

7.5

Entertainment

7.4

Overall

7.4

Crew

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Etihad Airways
7.4
Good
1,282 reviews
Qatar Airways
7.4
Good
3,658 reviews

Comfort

7.4

Boarding

7.5

Entertainment

7.4

Overall

7.4

Crew

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Lufthansa
6.8
Okay
7,532 reviews
Qatar Airways
7.4
Good
3,658 reviews

Comfort

7.4

Boarding

7.5

Entertainment

7.4

Overall

7.4

Crew

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Related info for your journey

Find useful and relevant information for your journey from Denver to Kolkata. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Denver to Kolkata?

    Airlines like Air India and Qatar Airways fly from Denver to Kolkata in about 43h 50m. The time it takes to get you to your destination can typically vary by up to 5h 44m. The distance from Denver to Kolkata is about 8030 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Denver to Kolkata round-trip?

    Qatar Airways, at $1,133, was found to be the cheapest airline from Denver to Kolkata. An alternate airline flying to your destination would be Lufthansa. Users have found that Qatar Airways is 18% cheaper than the other options available to this destination.

  • Can I find deals for flights from Denver to Kolkata that include hotel bookings?

    Yes. In addition to deals on Denver to Kolkata flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Kolkata?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Kolkata.

  • Can I find deals for business class flights from Denver to Kolkata?

    Yes. Cheapflights offers flight deals from Denver to Kolkata by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Kolkata?

    Currently, September is the cheapest month in which you can book a flight from Denver to Kolkata (average of $972). Flying from Denver to Kolkata in June is currently the most expensive (average of $1,452). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Kolkata by adding a car rental and/or hotel reservation to your travel itinerary.
Kolkata car rentals
Kolkata Netaji S. Chandra Airport car rentals

Top 3 airlines flying from Denver to Kolkata

Discover the top 3 airlines that operate flights from Denver to Kolkata. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,019Average$1,298FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$1,133Average$1,286FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$1,322Average$1,452FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.