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$807+ Cheap flights from Denver (DEN) to Kolkata (CCU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CCU
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Denver to Kolkata

Best flights from Denver to Kolkata
Discover carefully curated flight deals from Denver to Kolkata that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

This Etihad Airways deal was found by Cheapflights users on 12/21. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/182:50 pmDEN - CCU
2 stops24h 20mEtihad Airways
Sun 3/228:55 pmCCU - DEN
2 stops37h 39mEtihad Airways
Deal found 12/21$1,091
This oojo deal was found by Cheapflights users on 12/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/411:35 amDEN - CCU
2 stops25h 50mQatar Airways
Tue 2/103:25 amCCU - DEN
2 stops32h 21mQatar Airways
Deal found 12/21$1,104
This Expedia deal was found by Cheapflights users on 12/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/171:40 pmDEN - CCU
2 stops41h 50mMultiple Airlines
Sat 1/313:35 amCCU - DEN
2 stops67h 37mMultiple Airlines
Deal found 12/20$1,117
This oojo deal was found by Cheapflights users on 12/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1711:35 amDEN - CCU
2 stops40h 45mAir India
Sun 2/19:55 amCCU - DEN
2 stops61h 17mAir India
Deal found 12/21$1,287
This oojo deal was found by Cheapflights users on 12/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/511:35 amDEN - CCU
2 stops49h 50mQatar Airways
Wed 2/113:25 amCCU - DEN
2 stops54h 47mQatar Airways
Deal found 12/22$1,118
This oojo deal was found by Cheapflights users on 12/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1910:34 amDEN - CCU
2 stops26h 51mQatar Airways
Fri 2/273:25 amCCU - DEN
2 stops31h 41mQatar Airways
Deal found 12/21$1,143
This Mytrip deal was found by Cheapflights users on 12/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/43:40 pmDEN - CCU
3 stops35h 05mMultiple Airlines
Wed 2/118:55 pmCCU - DEN
3 stops33h 40mMultiple Airlines
Deal found 12/21$1,301
This Mytrip deal was found by Cheapflights users on 12/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/194:20 pmDEN - CCU
3 stops34h 25mMultiple Airlines
Mon 1/268:55 pmCCU - DEN
3 stops30h 10mMultiple Airlines
Deal found 12/22$1,426
This FlightHub deal was found by Cheapflights users on 12/20. 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.
Sat 1/177:20 amDEN - CCU
2 stops30h 05mQatar Airways
Sun 2/13:25 amCCU - DEN
2 stops45h 07mQatar Airways
Deal found 12/20$1,327
This Ovago deal was found by Cheapflights users on 12/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1712:52 pmDEN - CCU
2 stops24h 33mQatar Airways
Mon 2/23:25 amCCU - DEN
2 stops31h 15mQatar Airways
Deal found 12/20$1,384
This FlightHub deal was found by Cheapflights users on 12/20. 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.
Sat 1/177:20 amDEN - CCU
2 stops30h 05mQatar Airways
Fri 1/303:25 amCCU - DEN
2 stops45h 07mQatar Airways
Deal found 12/20$1,401

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,091
(Etihad Airways)

One-way from

$807
(oojo)

Popular in

June

Cheapest in

April

Average price

$1,694
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
One-way flight from Denver Intl to Kolkata Netaji S. Chandra
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 23, 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

Wed 3/18

2:50 pm-2:40 am

2 stops24h 20m

Kolkata Netaji S. Chandra

Sun 3/22

8:55 pm-11:04 pm

2 stops37h 39m

$1,091

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Wed 2/4

11:35 am-1:55 am

2 stops25h 50m

Kolkata Netaji S. Chandra

Tue 2/10

3:25 am-11:16 pm

2 stops32h 21m

$1,104

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 1/17

1:40 pm-8:00 pm

2 stops41h 50m

Kolkata Netaji S. Chandra

Sat 1/31

3:35 am-10:42 am

2 stops67h 37m

$1,117

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 2/5

11:35 am-1:55 am

2 stops49h 50m

Kolkata Netaji S. Chandra

Wed 2/11

3:25 am-9:42 pm

2 stops54h 47m

$1,118

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 2/19

10:34 am-1:55 am

2 stops26h 51m

Kolkata Netaji S. Chandra

Fri 2/27

3:25 am-10:36 pm

2 stops31h 41m

$1,143

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 1/17

11:35 am-4:50 pm

2 stops40h 45m

Kolkata Netaji S. Chandra

Sun 2/1

9:55 am-10:42 am

2 stops61h 17m

$1,287

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Wed 2/4

3:40 pm-3:15 pm

3 stops35h 05m

Kolkata Netaji S. Chandra

Wed 2/11

8:55 pm-6:05 pm

3 stops33h 40m

$1,301

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 1/17

7:20 am-1:55 am

2 stops30h 05m

Kolkata Netaji S. Chandra

Sun 2/1

3:25 am-12:02 pm

2 stops45h 07m

$1,327

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 1/17

12:52 pm-1:55 am

2 stops24h 33m

Kolkata Netaji S. Chandra

Mon 2/2

3:25 am-10:10 pm

2 stops31h 15m

$1,384

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 1/17

7:20 am-1:55 am

2 stops30h 05m

Kolkata Netaji S. Chandra

Fri 1/30

3:25 am-12:02 pm

2 stops45h 07m

$1,401

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 13 results
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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 December.
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 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 December 23, 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 December 23, 2025.
Peruse reviews from past customers who have flown with Qatar 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
3,686 reviews

Boarding

7.5

Crew

7.9

Comfort

7.4

Food

7.3

Overall

7.4

Entertainment

7.4

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
3,686 reviews
Qatar Airways
7.4
Good
3,686 reviews

Boarding

7.5

Crew

7.9

Comfort

7.4

Food

7.3

Overall

7.4

Entertainment

7.4

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
7,649 reviews
Qatar Airways
7.4
Good
3,686 reviews

Boarding

7.5

Crew

7.9

Comfort

7.4

Food

7.3

Overall

7.4

Entertainment

7.4

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 Etihad Airways and Qatar Airways fly from Denver to Kolkata in about 24h 20m. The time it takes to get you to your destination can typically vary by up to 1h 30m. 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 2 airlines flying from Denver to Kolkata

Discover the top 2 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,133Average$1,249FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$1,303Average$1,441FlexibilityNo cancel feeOn-time76%

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