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Kolkata

$1,030+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CCU
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap 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 July 25, 2026.

This Etihad Airways deal was found by Cheapflights users on 7/23. 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.
Fri 9/42:04 pm
DEN
-
CCU
2 stops25h 21m
Multiple Airlines
Fri 9/119:30 pm
CCU
-
DEN
2 stops34h 35m
Multiple Airlines
Deal found 7/23$1,030
This FlightHub deal was found by Cheapflights users on 7/23. 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.
Wed 9/29:54 am
DEN
-
CCU
2 stops29h 06m
Qatar Airways
Sun 11/13:25 am
CCU
-
DEN
2 stops28h 57m
Qatar Airways
Deal found 7/23$1,154
This Indian Eagle deal was found by Cheapflights users on 7/23. 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.
Wed 9/21:45 pm
DEN
-
CCU
2 stops25h 15m
Qatar Airways
Mon 11/23:25 am
CCU
-
DEN
2 stops28h 57m
Qatar Airways
Deal found 7/23$1,161
This FlightHub deal was found by Cheapflights users on 7/23. 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.
Mon 8/3112:50 pm
DEN
-
CCU
2 stops26h 10m
Qatar Airways
Sun 11/13:25 am
CCU
-
DEN
2 stops32h 03m
Qatar Airways
Deal found 7/23$1,170
This FlightHub deal was found by Cheapflights users on 7/23. 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.
Mon 8/3111:54 pm
DEN
-
CCU
2 stops32h 56m
Multiple Airlines
Sun 11/17:05 pm
CCU
-
DEN
2 stops31h 59m
Multiple Airlines
Deal found 7/23$1,180
This BusinessClass deal was found by Cheapflights users on 7/22. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:55 pm
DEN
-
CCU
2 stops33h 05m
Multiple Airlines
Fri 8/283:50 am
CCU
-
DEN
2 stops30h 38m
Multiple Airlines
Deal found 7/22$1,182
This Indian Eagle deal was found by Cheapflights users on 7/20. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:25 pm
DEN
-
CCU
2 stops26h 35m
Qatar Airways
Fri 10/234:00 am
CCU
-
DEN
2 stops28h 16m
Qatar Airways
Deal found 7/20$1,183
This FlightHub deal was found by Cheapflights users on 7/23. 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.
Wed 9/21:45 pm
DEN
-
CCU
2 stops25h 15m
Qatar Airways
Fri 10/303:25 am
CCU
-
DEN
2 stops29h 46m
Qatar Airways
Deal found 7/23$1,193
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:05 am
DEN
-
CCU
2 stops29h 55m
Multiple Airlines
Mon 9/144:00 am
CCU
-
DEN
2 stops27h 08m
Multiple Airlines
Deal found 7/24$1,199
This FlightHub deal was found by Cheapflights users on 7/23. 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.
Mon 8/3112:50 pm
DEN
-
CCU
2 stops26h 10m
Qatar Airways
Fri 10/303:25 am
CCU
-
DEN
2 stops29h 46m
Qatar Airways
Deal found 7/23$1,209
This Indian Eagle deal was found by Cheapflights users on 7/23. 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.
Tue 9/12:04 pm
DEN
-
CCU
2 stops24h 56m
Qatar Airways
Wed 10/283:25 am
CCU
-
DEN
2 stops28h 51m
Qatar Airways
Deal found 7/23$1,215
This Indian Eagle deal was found by Cheapflights users on 7/23. 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 8/3111:54 pm
DEN
-
CCU
2 stops39h 06m
Qatar Airways
Thu 10/293:25 am
CCU
-
DEN
2 stops27h 15m
Qatar Airways
Deal found 7/23$1,217

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 July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,030
(Etihad Airways)

Popular in

December

Cheapest in

October

Average price

$1,293
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. 17% potential increase in price ($311 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($86 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 25, 2026.
Use the filters below to find and compare flights from Denver to Kolkata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Fri 9/4

2:04 pm-2:55 am

2 stops25h 21m

Kolkata Netaji S. Chandra

Fri 9/11

9:30 pm-8:35 pm

2 stops34h 35m

$1,030

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 9/3

9:05 am-2:55 am

2 stops30h 20m

Kolkata Netaji S. Chandra

Mon 9/28

3:50 am-8:35 pm

2 stops28h 15m

$1,030

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sun 9/6

2:21 pm-2:55 am

2 stops25h 04m

Kolkata Netaji S. Chandra

Sun 9/13

9:30 pm-2:18 pm

2 stops28h 18m

$1,030

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 8/24

11:55 pm-8:30 pm

2 stops33h 05m

Kolkata Netaji S. Chandra

Fri 8/28

3:50 am-10:58 pm

2 stops30h 38m

$1,182

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 10/5

12:25 pm-2:30 am

2 stops26h 35m

Kolkata Netaji S. Chandra

Fri 10/23

4:00 am-8:46 pm

2 stops28h 16m

$1,183

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 9/3

7:00 am-2:30 am

2 stops32h 00m

Kolkata Netaji S. Chandra

Mon 11/2

3:25 am-10:14 pm

2 stops31h 19m

$1,218
Quickest round-trip

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 9/24

1:05 pm-2:30 am

2 stops25h 55m

Kolkata Netaji S. Chandra

Mon 9/28

4:00 am-7:46 pm

2 stops27h 16m

$1,218

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 9/3

7:00 am-2:30 am

2 stops32h 00m

Kolkata Netaji S. Chandra

Sun 11/1

3:25 am-10:20 pm

2 stops31h 25m

$1,218

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sun 8/30

7:00 am-2:30 am

2 stops32h 00m

Kolkata Netaji S. Chandra

Tue 11/3

3:25 am-12:26 am

2 stops33h 31m

$1,218

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Sorted by cheapest first

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Kolkata flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

How much does it cost to fly round-trip from Denver to Kolkata?

Airfare is below average for this route at the moment.

Denver to Kolkata flights typically cost between $1,224 and $1,262 in September.
The cheapest round-trip price found within the last 5 days was $1,030 on Multiple Airlines (Sep 4-Sep 11).

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 July 25, 2026.
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
7.3
Good
3,747 reviews

Entertainment

7.3

Boarding

7.5

Comfort

7.3

Overall

7.3

Food

7.3

Crew

7.9

Reviews

1 / 20
4.0
Okay

Janak,Oct 2023

DOH - AMD

Disaster boarding process. No gates. No annoncement for boarding process. Waiting area seats were full no seats available. 787 dream liner step up to entrance door. Not acceptable for physically poor but normal people.
Qatar Airways
7.3
Good
3,747 reviews
Qatar Airways
7.3
Good
3,747 reviews

Entertainment

7.3

Boarding

7.5

Comfort

7.3

Overall

7.3

Food

7.3

Crew

7.9

Reviews

1 / 20
4.0
Okay

Janak,Oct 2023

DOH - AMD

Disaster boarding process. No gates. No annoncement for boarding process. Waiting area seats were full no seats available. 787 dream liner step up to entrance door. Not acceptable for physically poor but normal people.
Lufthansa
6.8
Okay
8,156 reviews
Qatar Airways
7.3
Good
3,747 reviews

Entertainment

7.3

Boarding

7.5

Comfort

7.3

Overall

7.3

Food

7.3

Crew

7.9

Reviews

1 / 20
4.0
Okay

Janak,Oct 2023

DOH - AMD

Disaster boarding process. No gates. No annoncement for boarding process. Waiting area seats were full no seats available. 787 dream liner step up to entrance door. Not acceptable for physically poor but normal people.

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.

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

    Qatar Airways, at $1,138, 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 24% 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

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 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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,138Average$1,316FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$1,276Average$1,382FlexibilityNo cancel feeOn-time76%

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