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Cheap flights from Denver to Kolkata from $639

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 8/13. 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
11:55 pm - 8:30 pm
DEN
-
CCU
33h 05m
2 stops
Multiple Airlines Logo
3:50 am - 2:18 pm
CCU
-
DEN
45h 58m
2 stops
$1,017Multiple Airlines
Fri, Aug 28 - Mon, Sep 28
Qatar Airways Logo
1:05 pm - 2:30 am
DEN
-
CCU
25h 55m
2 stops
Qatar Airways Logo
3:25 am - 8:46 pm
CCU
-
DEN
28h 51m
2 stops
$1,151Qatar Airways
Wed, Sep 30 - Thu, Oct 29
Qatar Airways Logo
1:05 pm - 2:30 am
DEN
-
CCU
25h 55m
2 stops
Qatar Airways Logo
3:25 am - 5:49 pm
CCU
-
DEN
26h 54m
2 stops
$1,165Qatar Airways
Wed, Sep 30 - Sun, Nov 1
Qatar Airways Logo
1:05 pm - 2:30 am
DEN
-
CCU
25h 55m
2 stops
Qatar Airways Logo
3:25 am - 8:46 pm
CCU
-
DEN
28h 51m
2 stops
$1,179Qatar Airways
Thu, Oct 1 - Thu, Oct 29
Qatar Airways Logo
1:05 pm - 2:30 am
DEN
-
CCU
25h 55m
2 stops
Qatar Airways Logo
3:25 am - 7:10 pm
CCU
-
DEN
27h 15m
2 stops
$1,204Qatar Airways
Wed, Sep 30 - Fri, Oct 30
Qatar Airways Logo
1:05 pm - 2:30 am
DEN
-
CCU
25h 55m
2 stops
Qatar Airways Logo
3:25 am - 5:49 pm
CCU
-
DEN
26h 54m
2 stops
$1,217Qatar Airways
Fri, Oct 2 - Sun, Nov 1
Qatar Airways Logo
1:05 pm - 2:30 am
DEN
-
CCU
25h 55m
2 stops
Qatar Airways Logo
4:00 am - 7:46 pm
CCU
-
DEN
27h 16m
2 stops
$1,218Qatar Airways
Thu, Sep 10 - Mon, Sep 14
Qatar Airways Logo
1:05 pm - 2:30 am
DEN
-
CCU
25h 55m
2 stops
Qatar Airways Logo
3:25 am - 6:49 pm
CCU
-
DEN
26h 54m
2 stops
$1,222Qatar Airways
Wed, Sep 30 - Sat, Oct 31
Qatar Airways Logo
9:03 am - 2:30 am
DEN
-
CCU
29h 57m
2 stops
Qatar Airways Logo
3:25 am - 8:46 pm
CCU
-
DEN
28h 51m
2 stops
$1,232Qatar Airways
Mon, Sep 28 - Thu, Oct 29
Qatar Airways Logo
7:00 am - 2:30 am
DEN
-
CCU
32h 00m
2 stops
Qatar Airways Logo
3:25 am - 5:49 pm
CCU
-
DEN
26h 54m
2 stops
$1,246Qatar Airways
Sun, Oct 4 - Sun, Nov 1

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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 30
DEN1:05 pmDenver Intl
25h 55m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Oct 29
CCU3:25 amKolkata Netaji S. Chandra
28h 51m
2 stops
DEN8:46 pmDenver Intl
$1,151
Qatar Airways
Sep 30
DEN1:05 pmDenver Intl
25h 55m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Nov 1
CCU3:25 amKolkata Netaji S. Chandra
26h 54m
2 stops
DEN5:49 pmDenver Intl
$1,165
Qatar Airways
Oct 1
DEN1:05 pmDenver Intl
25h 55m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Oct 29
CCU3:25 amKolkata Netaji S. Chandra
28h 51m
2 stops
DEN8:46 pmDenver Intl
$1,179

Singapore Airlines flights from Denver to Kolkata

Our best Singapore Airlines deals on Denver to Kolkata flight tickets
Singapore Airlines
Nov 1
DEN7:55 amDenver Intl
50h 00m
2 stops
CCU10:25 pmKolkata Netaji S. Chandra
Nov 30
CCU11:40 pmKolkata Netaji S. Chandra
30h 40m
3 stops
DEN5:50 pmDenver Intl
$1,723
Singapore Airlines
Nov 1
DEN7:55 amDenver Intl
50h 00m
3 stops
CCU10:25 pmKolkata Netaji S. Chandra
Nov 30
CCU11:40 pmKolkata Netaji S. Chandra
30h 40m
3 stops
DEN5:50 pmDenver Intl
$1,834
Singapore Airlines
Sep 10
DEN5:45 pmDenver Intl
41h 20m
2 stops
CCU10:35 pmKolkata Netaji S. Chandra
Sep 14
CCU11:30 pmKolkata Netaji S. Chandra
31h 45m
3 stops
DEN7:45 pmDenver Intl
$1,927

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 July 3, 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 8/28

11:55 pm-8:30 pm

2 stops33h 05m

Kolkata Netaji S. Chandra

Mon 9/28

3:50 am-2:18 pm

2 stops45h 58m

$1,017

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Wed 9/30

1:05 pm-2:30 am

2 stops25h 55m

Kolkata Netaji S. Chandra

Thu 10/29

3:25 am-8:46 pm

2 stops28h 51m

$1,151
Quickest round-trip

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Wed 9/30

1:05 pm-2:30 am

2 stops25h 55m

Kolkata Netaji S. Chandra

Sun 11/1

3:25 am-5:49 pm

2 stops26h 54m

$1,165

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 10/1

1:05 pm-2:30 am

2 stops25h 55m

Kolkata Netaji S. Chandra

Thu 10/29

3:25 am-8:46 pm

2 stops28h 51m

$1,179

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Wed 9/30

1:05 pm-2:30 am

2 stops25h 55m

Kolkata Netaji S. Chandra

Fri 10/30

3:25 am-7:10 pm

2 stops27h 15m

$1,204

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Fri 10/2

1:05 pm-2:30 am

2 stops25h 55m

Kolkata Netaji S. Chandra

Sun 11/1

3:25 am-5:49 pm

2 stops26h 54m

$1,217

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 9/10

1:05 pm-2:30 am

2 stops25h 55m

Kolkata Netaji S. Chandra

Mon 9/14

4:00 am-7:46 pm

2 stops27h 16m

$1,218

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Wed 9/30

1:05 pm-2:30 am

2 stops25h 55m

Kolkata Netaji S. Chandra

Sat 10/31

3:25 am-6:49 pm

2 stops26h 54m

$1,222

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 9/28

9:03 am-2:30 am

2 stops29h 57m

Kolkata Netaji S. Chandra

Thu 10/29

3:25 am-8:46 pm

2 stops28h 51m

$1,232

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sun 10/4

7:00 am-2:30 am

2 stops32h 00m

Kolkata Netaji S. Chandra

Sun 11/1

3:25 am-5:49 pm

2 stops26h 54m

$1,246

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 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

Fastest flight time

25h 55m

Direct flights

None
The fastest flight from Denver to Kolkata takes 25h 55m
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 25h 55m, 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 $1,138Free CancellationRating
7.3
3,742 reviews
Search Qatar Airways flights
LufthansaPriceFrom $1,276Free CancellationRating
6.8
8,108 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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