How long is the flight from Denver to Kolkata?

Airlines like Air India and Qatar Airways fly from Denver to Kolkata in about 31h 25m. The time it takes to get you to your destination can typically vary by up to 13h 26m. 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.

In terms of precipitation, rainfall in Kolkata ranges from 0.3 - 14.0 inches per month. August is typically the wettest month, when rainfall can reach 14.0 in. December is typically the driest time to visit Kolkata when rainfall is around 0.3 in.

If weather is an important factor for your trip to Kolkata, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 87.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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.

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.

$489+ Flights from Denver to Kolkata

Q: 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 $1,356 and $2,147 in January. The cheapest round-trip price found within the last 3 days was $988 on Multiple Airlines (Jan 31-Feb 6).

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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 December 18, 2025.

Thu 12/186:40 pmDEN - CCU

2 stops42h 45mQatar Airways

Thu 1/83:25 amCCU - DEN

2 stops29h 58mQatar Airways

Deal found 12/17

$2,401

Mon 12/225:00 amDEN - CCU

2 stops32h 25mMultiple Airlines

Mon 1/53:25 amCCU - DEN

2 stops53h 58mMultiple Airlines

Deal found 12/16

$2,411

Wed 12/172:48 pmDEN - CCU

2 stops46h 37mQatar Airways

Fri 1/23:25 amCCU - DEN

2 stops31h 06mQatar Airways

Deal found 12/17

$2,885

Thu 12/1811:15 amDEN - CCU

2 stops26h 00mMultiple Airlines

Fri 1/98:45 pmCCU - DEN

3 stops35h 40mMultiple Airlines

Deal found 12/17

$2,888

Thu 12/184:55 pmDEN - CCU

2 stops44h 30mQatar Airways

Fri 1/23:25 amCCU - DEN

2 stops31h 06mQatar Airways

Deal found 12/17

$3,018

Wed 12/1711:59 pmDEN - CCU

3 stops37h 26mMultiple Airlines

Fri 1/23:25 amCCU - DEN

2 stops31h 31mMultiple Airlines

Deal found 12/17

$3,279

Thu 12/1811:15 amDEN - CCU

2 stops26h 00mMultiple Airlines

Sat 1/37:30 pmCCU - DEN

3 stops33h 40mMultiple Airlines

Deal found 12/17

$3,345

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 18, 2025.

Sat 1/3111:35 amDEN - CCU

2 stops43h 55mMultiple Airlines

Fri 2/63:35 amCCU - DEN

2 stops67h 40mMultiple Airlines

Deal found 12/17

$988

Sun 2/1510:34 amDEN - CCU

2 stops44h 51mAir India

Sun 3/158:35 pmCCU - DEN

2 stops28h 39mAir India

Deal found 12/16

$1,064

Tue 1/136:00 amDEN - CCU

2 stops31h 25mQatar Airways

Sun 1/183:25 amCCU - DEN

2 stops31h 39mQatar Airways

Deal found 12/15

$1,177

Sat 2/1410:44 amDEN - CCU

2 stops44h 46mMultiple Airlines

Sat 3/143:35 amCCU - DEN

2 stops30h 59mMultiple Airlines

Deal found 12/16

$1,029

Fri 1/3011:35 amDEN - CCU

2 stops43h 55mMultiple Airlines

Thu 2/512:20 amCCU - DEN

2 stops48h 55mMultiple Airlines

Deal found 12/15

$1,112

Mon 1/1211:35 amDEN - CCU

2 stops49h 50mQatar Airways

Sun 1/183:25 amCCU - DEN

2 stops29h 58mQatar Airways

Deal found 12/15

$1,236

Sat 5/2311:05 amDEN - CCU

2 stops49h 40mAir India

Sat 9/58:35 pmCCU - DEN

2 stops37h 56mAir India

Deal found 12/17

$1,340

Sat 1/248:44 amDEN - CCU

2 stops28h 41mQatar Airways

Tue 1/273:25 amCCU - DEN

2 stops32h 21mQatar Airways

Deal found 12/15

$1,256

Mon 1/123:40 pmDEN - CCU

3 stops35h 05mMultiple Airlines

Mon 1/198:55 pmCCU - DEN

3 stops33h 40mMultiple Airlines

Deal found 12/15

$1,254

Sun 5/315:40 pmDEN - CCU

2 stops48h 20mMultiple Airlines

Sun 6/214:20 pmCCU - DEN

2 stops34h 50mMultiple Airlines

Deal found 12/17

$1,265

Last-minute flights from Denver to Kolkata
Discover last-minute flight deals from Denver to Kolkata. Data last updated December 18, 2025 and is based on user searches.

Sat 1/1012:52 pmDEN - CCU

2 stops24h 33mQatar Airways

Fri 1/163:25 amCCU - DEN

2 stops55h 39mQatar Airways

Deal found 12/17

$1,461

Mon 1/1211:35 amDEN - CCU

2 stops49h 50mQatar Airways

Sun 1/183:25 amCCU - DEN

2 stops29h 58mQatar Airways

Deal found 12/15

$1,236

Mon 1/123:40 pmDEN - CCU

3 stops35h 05mMultiple Airlines

Mon 1/198:55 pmCCU - DEN

3 stops33h 40mMultiple Airlines

Deal found 12/15

$1,254

Tue 1/136:00 amDEN - CCU

2 stops31h 25mQatar Airways

Mon 1/193:25 amCCU - DEN

2 stops29h 58mQatar Airways

Deal found 12/15

$1,177

Tue 1/134:20 pmDEN - CCU

3 stops34h 25mMultiple Airlines

Mon 1/1911:00 pmCCU - DEN

3 stops33h 25mMultiple Airlines

Deal found 12/15

$1,387

Tue 1/134:20 pmDEN - CCU

3 stops34h 25mMultiple Airlines

Tue 1/2011:00 pmCCU - DEN

3 stops33h 25mMultiple Airlines

Deal found 12/15

$1,395

Sat 1/248:44 amDEN - CCU

2 stops28h 41mQatar Airways

Tue 1/273:25 amCCU - DEN

2 stops32h 21mQatar Airways

Deal found 12/15

$1,256

Fri 1/3011:35 amDEN - CCU

2 stops43h 55mMultiple Airlines

Thu 2/512:20 amCCU - DEN

2 stops48h 55mMultiple Airlines

Deal found 12/15

$1,112

Sat 1/3111:35 amDEN - CCU

2 stops43h 55mMultiple Airlines

Fri 2/63:35 amCCU - DEN

2 stops67h 40mMultiple Airlines

Deal found 12/17

$988

One-way flights from Denver to Kolkata
Search for one-way flight options from Denver to Kolkata. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Sun 2/11:50 pmDEN - CCU

3 stops47h 50mMultiple Airlines

Deal found 12/16

$489

Mon 1/124:25 pmDEN - CCU

2 stops41h 55mMultiple Airlines

Deal found 12/18

$495

Sat 1/37:41 amDEN - CCU

2 stops29h 44mMultiple Airlines

Deal found 12/16

$5,112

Sat 1/35:42 pmDEN - CCU

3 stops64h 13mSingapore Airlines

Deal found 12/16

$9,138

Find flight deals from Denver to Kolkata

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$988 (Expedia)
One-way from	$489 (Kiwi.com)
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 ($109 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

Fly from

Fly to

Route

Depart

Return

Price

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 1/31

11:35 am-8:00 pm

2 stops43h 55m

Kolkata Netaji S. Chandra

Fri 2/6

3:35 am-10:45 am

2 stops67h 40m

$988

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 2/14

10:44 am-8:00 pm

2 stops44h 46m

Kolkata Netaji S. Chandra

Sat 3/14

3:35 am-11:04 pm

2 stops30h 59m

$1,029

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sun 2/15

10:34 am-7:55 pm

2 stops44h 51m

Kolkata Netaji S. Chandra

Sun 3/15

8:35 pm-1:44 pm

2 stops28h 39m

$1,064

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Fri 1/30

11:35 am-8:00 pm

2 stops43h 55m

Kolkata Netaji S. Chandra

Thu 2/5

12:20 am-12:45 pm

2 stops48h 55m

$1,112

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Tue 1/13

6:00 am-1:55 am

2 stops31h 25m

Kolkata Netaji S. Chandra

Sun 1/18

3:25 am-10:34 pm

2 stops31h 39m

$1,177

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 1/12

11:35 am-1:55 am

2 stops49h 50m

Kolkata Netaji S. Chandra

Sun 1/18

3:25 am-8:53 pm

2 stops29h 58m

$1,236

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 1/12

3:40 pm-3:15 pm

3 stops35h 05m

Kolkata Netaji S. Chandra

Mon 1/19

8:55 pm-6:05 pm

3 stops33h 40m

$1,254

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 1/24

8:44 am-1:55 am

2 stops28h 41m

Kolkata Netaji S. Chandra

Tue 1/27

3:25 am-11:16 pm

2 stops32h 21m

$1,256

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sun 5/31

5:40 pm-5:30 am

2 stops48h 20m

Kolkata Netaji S. Chandra

Sun 6/21

4:20 pm-3:40 pm

2 stops34h 50m

$1,265

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 5/23

11:05 am-12:15 am

2 stops49h 40m

Kolkata Netaji S. Chandra

Sat 9/5

8:35 pm-11:01 pm

2 stops37h 56m

$1,340

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 14 results

Compare providers for flights from Denver to Kolkata

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.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Trip.com	Price Accuracy2 stars	Trust 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?

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.

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

Reviews of airlines servicing Kolkata

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

3,685 reviews

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

3,685 reviews

Qatar Airways

7.4

Good

3,685 reviews

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

7,634 reviews

Qatar Airways

7.4

Good

3,685 reviews

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

How long is the flight from Denver to Kolkata?
Airlines like Air India and Qatar Airways fly from Denver to Kolkata in about 31h 25m. The time it takes to get you to your destination can typically vary by up to 13h 26m. 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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Top 2 airlines flying from Denver to Kolkata

Airline	Cheapest	Average	Flexibility	On-time
Qatar Airways	Cheapest$1,133	Average$1,274	FlexibilityNo cancel fee	On-time68%
Lufthansa	Cheapest$1,303	Average$1,441	FlexibilityNo cancel fee	On-time76%

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$489+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Denver to Kolkata with Cheapflights

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Cheap flight deals from Denver to Kolkata

Cheapest flights from Denver to KolkataExplore 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 December 18, 2025.

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 December 18, 2025.

Find flight deals from Denver to Kolkata

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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Use the filters below to find and compare flights from Denver to Kolkata that are best for you.

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.

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.

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?

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

Reviews of airlines servicing Kolkata

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.

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?

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

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

How can I find direct flights from Denver to Kolkata?

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

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.

Top 2 airlines flying from Denver to Kolkata

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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 December 18, 2025.