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Cheap flights from Denver to Kolkata from $652

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Kolkata departing on 8/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Kolkata

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:50 pm - 2:55 amDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
39h 35m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl
Multiple Airlines Logo
9:30 pm - 2:17 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
28h 17m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl
$1,006Multiple Airlines
Sat, Sep 5 - Mon, Sep 28
Multiple Airlines Logo
3:15 pm - 8:30 pmDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
41h 45m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl
Multiple Airlines Logo
3:50 am - 2:17 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
45h 57m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl
$1,081Multiple Airlines
Fri, Sep 11 - Sat, Sep 19
Etihad Airways Logo
2:04 pm - 2:55 amDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
25h 21m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl
Etihad Airways Logo
9:30 pm - 2:17 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
28h 17m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl
$1,141Etihad Airways
Fri, Sep 4 - Mon, Sep 28
Etihad Airways Logo
2:04 pm - 2:55 amDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
25h 21m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl
Etihad Airways Logo
9:30 pm - 2:17 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
28h 17m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl
$1,164Etihad Airways
Wed, Sep 2 - Mon, Sep 28
Qatar Airways Logo
10:47 am - 2:30 amDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
28h 13m2 stops Dallas/Fort Worth Doha Hamad Intl
Qatar Airways Logo
4:00 am - 11:03 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
30h 33m2 stops Doha Hamad Intl Miami
$1,183Qatar Airways
Thu, Sep 10 - Thu, Sep 24
Qatar Airways Logo
1:05 pm - 2:10 amDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
25h 35m2 stops Philadelphia Doha Hamad Intl
Qatar Airways Logo
3:40 am - 6:58 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
26h 48m2 stops Doha Hamad Intl Dallas/Fort Worth
$1,197Qatar Airways
Wed, Sep 30 - Tue, Oct 6
Qatar Airways Logo
12:23 pm - 2:10 amDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
26h 17m2 stops Miami Doha Hamad Intl
Qatar Airways Logo
3:40 am - 10:46 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
30h 36m2 stops Doha Hamad Intl Miami
$1,197Qatar Airways
Thu, Oct 1 - Wed, Oct 7
Qatar Airways Logo
3:15 pm - 2:30 amDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
47h 45m2 stops Dallas/Fort Worth Doha Hamad Intl
Qatar Airways Logo
4:00 am - 10:34 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
30h 04m2 stops Doha Hamad Intl Dallas/Fort Worth
$1,200Qatar Airways
Thu, Sep 3 - Fri, Sep 25
Lufthansa Logo
3:40 pm - 8:50 amDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
29h 40m3 stops Washington, D.C. Dulles Intl Frankfurt am Main New Delhi Indira Gandhi Intl
Lufthansa Logo
10:30 pm - 6:45 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
31h 45m3 stops New Delhi Indira Gandhi Intl Frankfurt am Main Munich Franz Josef Strauss
$1,960Lufthansa
Fri, Sep 11 - Sun, Sep 20
Lufthansa Logo
11:15 am - 8:50 amDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
34h 05m3 stops Chicago O'Hare Intl Frankfurt am Main New Delhi Indira Gandhi Intl
Lufthansa Logo
10:30 pm - 6:45 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
31h 45m3 stops New Delhi Indira Gandhi Intl Frankfurt am Main Munich Franz Josef Strauss
$2,133Lufthansa
Thu, Sep 3 - Fri, Sep 25

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Qatar Airways flights from Denver to Kolkata

Our best Qatar Airways deals on Denver to Kolkata flight tickets
Qatar Airways
Sep 10
DEN10:47 amDenver Intl
28h 13m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Sep 24
CCU4:00 amKolkata Netaji S. Chandra
30h 33m
2 stops
DEN11:03 pmDenver Intl
$1,183
Qatar Airways
Sep 30
DEN1:05 pmDenver Intl
25h 35m
2 stops
CCU2:10 amKolkata Netaji S. Chandra
Oct 6
CCU3:40 amKolkata Netaji S. Chandra
26h 48m
2 stops
DEN6:58 pmDenver Intl
$1,197
Qatar Airways
Sep 3
DEN3:15 pmDenver Intl
47h 45m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Sep 25
CCU4:00 amKolkata Netaji S. Chandra
30h 04m
2 stops
DEN10:34 pmDenver Intl
$1,200

Singapore Airlines flights from Denver to Kolkata

Our best Singapore Airlines deals on Denver to Kolkata flight tickets
Singapore Airlines
Jan 29
DEN5:50 pmDenver Intl
40h 05m
2 stops
CCU10:25 pmKolkata Netaji S. Chandra
Feb 4
CCU11:20 pmKolkata Netaji S. Chandra
31h 00m
3 stops
DEN5:50 pmDenver Intl
$1,413
Singapore Airlines
Jan 29
DEN11:35 amDenver Intl
46h 20m
3 stops
CCU10:25 pmKolkata Netaji S. Chandra
Feb 4
CCU11:20 pmKolkata Netaji S. Chandra
31h 00m
3 stops
DEN5:50 pmDenver Intl
$1,621
Singapore Airlines
Sep 24
DEN5:40 pmDenver Intl
65h 25m
3 stops
CCU10:35 pmKolkata Netaji S. Chandra
Sep 28
CCU11:30 pmKolkata Netaji S. Chandra
55h 45m
2 stops
DEN7:45 pmDenver Intl
$2,276

momondo 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, momondo users made 832,500 searches. Data last updated August 18, 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 Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Sat 9/5

11:50 pm-2:55 am

2 stops39h 35m

Kolkata Netaji S. Chandra

Mon 9/28

9:30 pm-2:17 pm

2 stops28h 17m

$1,006

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Fri 9/11

3:15 pm-8:30 pm

2 stops41h 45m

Kolkata Netaji S. Chandra

Sat 9/19

3:50 am-2:17 pm

2 stops45h 57m

$1,081

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Fri 9/4

2:04 pm-2:55 am

2 stops25h 21m

Kolkata Netaji S. Chandra

Mon 9/28

9:30 pm-2:17 pm

2 stops28h 17m

$1,141

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Wed 9/2

2:04 pm-2:55 am

2 stops25h 21m

Kolkata Netaji S. Chandra

Mon 9/28

9:30 pm-2:17 pm

2 stops28h 17m

$1,164

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Thu 9/10

10:47 am-2:30 am

2 stops28h 13m

Kolkata Netaji S. Chandra

Thu 9/24

4:00 am-11:03 pm

2 stops30h 33m

$1,183
Quickest round-trip

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Wed 9/30

1:05 pm-2:10 am

2 stops25h 35m

Kolkata Netaji S. Chandra

Tue 10/6

3:40 am-6:58 pm

2 stops26h 48m

$1,197

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Thu 10/1

12:23 pm-2:10 am

2 stops26h 17m

Kolkata Netaji S. Chandra

Wed 10/7

3:40 am-10:46 pm

2 stops30h 36m

$1,197

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Thu 9/3

3:15 pm-2:30 am

2 stops47h 45m

Kolkata Netaji S. Chandra

Fri 9/25

4:00 am-10:34 pm

2 stops30h 04m

$1,200

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Fri 9/11

3:40 pm-8:50 am

3 stops29h 40m

Kolkata Netaji S. Chandra

Sun 9/20

10:30 pm-6:45 pm

3 stops31h 45m

$1,960

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Thu 9/3

11:15 am-8:50 am

3 stops34h 05m

Kolkata Netaji S. Chandra

Fri 9/25

10:30 pm-6:45 pm

3 stops31h 45m

$2,133

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Kolkata from

How to get the cheapest flight ticket from Denver to Kolkata

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Denver and Kolkata?

Prices are currently low for flights on this route.

Typical prices usually range from $1,221 to $1,232.
The lowest price recently found on this route was $1,006.

What is the cheapest month to fly to Kolkata?

The month of April is, on average, the cheapest month to fly to Kolkata from Denver, with most prices found around $0. If you aren’t able to travel during the month of April, then book flights to Kolkata from Denver during February instead. Flights to Kolkata in February, while not as cheap as those in April, still average around $0.

When to book flights from Denver to Kolkata

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Kolkata according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Kolkata (DEN to CCU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Kolkata

Best Price Found

$652

Fastest flight time

23h 16m

Direct flights

None
The best one-way flight to Kolkata from Denver in the past 72 hours is $652. The best round-trip flight deal from Denver to Kolkata found on momondo in the last 72 hours is $1,006.
The fastest flight from Denver to Kolkata takes 23h 16m
There are no direct flights from Denver to Kolkata. There are no popular flight routes from Denver to Kolkata.
Search flight deals

Frequently asked questions about flying from Denver to Kolkata

  • How far is Denver Intl to Kolkata Netaji S. Chandra by plane?

    The straight-line distance from Denver Intl to Kolkata Netaji S. Chandra is 8041.3 mi. Flights usually cover this in 23h 16m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Denver Intl Airport to Kolkata Netaji S. Chandra Airport?

    Prices for flights from Denver Intl Airport to Kolkata Netaji S. Chandra Airport were last updated today.

  • How many operators does momondo search for flights from Denver Intl Airport to Kolkata Netaji S. Chandra Airport?

  • How old do you have to be to fly from Denver Intl Airport to Kolkata Netaji S. Chandra Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Kolkata Netaji S. Chandra Airport.

  • What documentation or ID do you need to fly to Kolkata Netaji S. Chandra Airport?

    The travel and health documents you'll need for your trip to Kolkata Netaji S. Chandra Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kolkata Netaji S. Chandra Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Denver to Kolkata?

Best airlines flying from Denver to Kolkata

Compare and see reviews for airlines that fly from Denver to Kolkata with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom $1,137Free CancellationRating
7.4
3,738 reviews
Search Qatar Airways flights
LufthansaPriceFrom $1,276Free CancellationRating
6.8
8,196 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Kolkata?

Finding the right flight to Kolkata from Denver is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Kolkata quick and easy, saving you time and money.

Can I find flights from Denver to Kolkata with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Denver to Kolkata flights to just show those with flexible booking policies.

How can momondo help me find flights from Denver to Kolkata?

momondo provides multiple filters to help you find the best flight to Kolkata from Denver. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Denver to Kolkata right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Denver to Kolkata flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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