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$454+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CCU
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This FlightHub deal was found by Cheapflights users on 1/25. 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.
Fri 2/2712:14 pm
DEN
-
CCU
2 stops43h 16m
Etihad Airways
Sat 4/44:10 am
CCU
-
DEN
2 stops29h 37m
Etihad Airways
Deal found 1/25$1,090
This FlightHub deal was found by Cheapflights users on 1/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/202:10 pm
DEN
-
CCU
2 stops24h 15m
Qatar Airways
Tue 3/314:00 am
CCU
-
DEN
2 stops54h 29m
Qatar Airways
Deal found 1/26$1,144
This Qatar Airways deal was found by Cheapflights users on 1/25. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/296:00 am
DEN
-
CCU
2 stops31h 25m
Qatar Airways
Sun 2/13:25 am
CCU
-
DEN
2 stops31h 15m
Qatar Airways
Deal found 1/25$1,217
This KAYAK deal was found by Cheapflights users on 1/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/223:55 pm
DEN
-
CCU
2 stops29h 15m
Lufthansa
Sat 9/2610:00 pm
CCU
-
DEN
2 stops29h 10m
Lufthansa
Deal found 1/26$1,316
This Indian Eagle deal was found by Cheapflights users on 1/26. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/214:05 pm
DEN
-
CCU
2 stops29h 05m
Lufthansa
Sat 9/2610:00 pm
CCU
-
DEN
2 stops29h 10m
Lufthansa
Deal found 1/26$1,320
This KAYAK deal was found by Cheapflights users on 1/25. 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.
Sat 5/234:05 pm
DEN
-
CCU
2 stops29h 05m
Lufthansa
Sat 9/510:00 pm
CCU
-
DEN
2 stops29h 10m
Lufthansa
Deal found 1/25$1,335
This Mytrip deal was found by Cheapflights users on 1/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/211:25 pm
DEN
-
CCU
3 stops30h 50m
Multiple Airlines
Tue 3/317:55 pm
CCU
-
DEN
3 stops35h 30m
Multiple Airlines
Deal found 1/26$1,399
This Singapore Airlines deal was found by Cheapflights users on 1/26. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2112:59 pm
DEN
-
CCU
2 stops45h 46m
Multiple Airlines
Sat 9/2611:40 pm
CCU
-
DEN
3 stops34h 48m
Multiple Airlines
Deal found 1/26$1,487

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Trip.com
3 stars

Round-trip from

$1,090
(FlightHub)

One-way from

$454
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,611
Provider with most accurate pricing for Denver Intl-Kolkata Netaji S. Chandra flight deals.
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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. 20% potential increase in price ($364 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($85 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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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 January 27, 2026.
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

Fri 2/27

12:14 pm-8:00 pm

2 stops43h 16m

Kolkata Netaji S. Chandra

Sat 4/4

4:10 am-10:17 pm

2 stops29h 37m

$1,090

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Fri 3/20

2:10 pm-1:55 am

2 stops24h 15m

Kolkata Netaji S. Chandra

Tue 3/31

4:00 am-10:59 pm

2 stops54h 29m

$1,144

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 3/21

2:10 pm-1:55 am

2 stops24h 15m

Kolkata Netaji S. Chandra

Tue 3/31

4:00 am-10:59 pm

2 stops54h 29m

$1,144

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 3/21

1:25 pm-7:45 am

3 stops30h 50m

Kolkata Netaji S. Chandra

Tue 3/31

7:55 pm-7:55 pm

3 stops35h 30m

$1,399

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 1/31

11:59 pm-7:55 pm

2 stops31h 26m

Kolkata Netaji S. Chandra

Mon 2/2

10:00 pm-6:23 pm

2 stops32h 53m

$1,496

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Fri 2/27

1:25 pm-9:50 am

3 stops31h 55m

Kolkata Netaji S. Chandra

Sat 4/4

10:30 am-2:20 pm

2 stops39h 20m

$1,561

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Fri 3/20

1:25 pm-10:25 am

3 stops33h 30m

Kolkata Netaji S. Chandra

Tue 3/31

4:20 pm-2:20 pm

2 stops33h 30m

$1,664

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Fri 3/20

12:19 pm-5:10 pm

3 stops41h 21m

Kolkata Netaji S. Chandra

Tue 3/31

7:05 pm-4:30 pm

2 stops56h 55m

$2,188

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Fri 2/27

12:14 pm-10:25 pm

3 stops45h 41m

Kolkata Netaji S. Chandra

Sat 4/4

11:40 pm-11:02 pm

3 stops58h 52m

$2,650

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sun 2/15

8:52 pm-9:15 pm

2 stops35h 53m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 16 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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 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 Trip.com the most. Trip.com 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.

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 January 27, 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
7.4
Good
3,732 reviews

Crew

7.9

Comfort

7.4

Entertainment

7.4

Overall

7.4

Boarding

7.5

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
3,732 reviews
Qatar Airways
7.4
Good
3,732 reviews

Crew

7.9

Comfort

7.4

Entertainment

7.4

Overall

7.4

Boarding

7.5

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
7,748 reviews
Qatar Airways
7.4
Good
3,732 reviews

Crew

7.9

Comfort

7.4

Entertainment

7.4

Overall

7.4

Boarding

7.5

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 Etihad Airways and Qatar Airways fly from Denver to Kolkata in about 24h 15m. The time it takes to get you to your destination can typically vary by up to 19h 01m. 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 21% 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

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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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,133Average$1,331FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$1,297Average$1,413FlexibilityNo cancel feeOn-time76%

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