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Cheap flights from Denver to Kolkata from $571

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 12/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Qatar Airways Logo
12:34 pm - 1:55 amDEN-CCU
24h 51m2 stops
Qatar Airways Logo
3:25 am - 10:45 amCCU-DEN
43h 50m2 stops
$1,098Qatar Airways
Find Deal
Thu, Jan 15 - Thu, Jan 29
Air India Logo
11:59 pm - 10:10 pmDEN-CCU
33h 41m2 stops
Air India Logo
10:10 am - 9:38 pmCCU-DEN
46h 58m2 stops
$1,099Air India
Find Deal
Mon, Mar 2 - Tue, Mar 31
Qatar Airways Logo
8:44 am - 1:55 amDEN-CCU
28h 41m2 stops
Qatar Airways Logo
3:25 am - 6:53 pmCCU-DEN
27h 58m2 stops
$1,127Qatar Airways
Find Deal
Tue, Jan 13 - Thu, Jan 29
Multiple Airlines Logo
11:15 am - 8:40 amDEN-CCU
32h 55m3 stops
Multiple Airlines Logo
8:55 pm - 7:55 pmCCU-DEN
35h 30m3 stops
$1,213Multiple Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 12
Lufthansa Logo
4:20 pm - 8:40 amDEN-CCU
27h 50m2 stops
Lufthansa Logo
9:00 pm - 1:40 pmCCU-DEN
29h 10m2 stops
$1,437Lufthansa
Find Deal
Sat, Jan 17 - Tue, Feb 3
Lufthansa Logo
3:55 pm - 8:40 amDEN-CCU
28h 15m2 stops
Lufthansa Logo
9:00 pm - 1:40 pmCCU-DEN
29h 10m2 stops
$1,458Lufthansa
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Sun, Jan 18 - Tue, Feb 3
Multiple Airlines Logo
1:25 pm - 9:50 amDEN-CCU
31h 55m3 stops
Multiple Airlines Logo
4:15 pm - 7:55 pmCCU-DEN
39h 10m2 stops
$1,476Multiple Airlines
Find Deal
Mon, Mar 2 - Tue, Mar 31
Singapore Airlines Logo
7:50 am - 10:25 pmDEN-CCU
50h 05m2 stops
Singapore Airlines Logo
11:40 pm - 6:18 pmCCU-DEN
55h 08m2 stops
$1,610Singapore Airlines
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Wed, Jan 14 - Tue, Feb 3
Singapore Airlines Logo
7:50 am - 10:25 pmDEN-CCU
50h 05m2 stops
Singapore Airlines Logo
11:40 pm - 6:18 pmCCU-DEN
31h 08m3 stops
$1,613Singapore Airlines
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Wed, Jan 14 - Wed, Jan 28
Etihad Airways Logo
11:50 am - 2:40 amDEN-CCU
26h 20m2 stops
Etihad Airways Logo
8:55 pm - 9:37 pmCCU-DEN
37h 12m2 stops
$1,806Etihad Airways
Find Deal
Mon, Dec 8 - Fri, Dec 19

Qatar Airways flights from Denver to Kolkata

Our best Qatar Airways deals on Denver to Kolkata flight tickets
Qatar Airways
Jan 15
DEN12:34 pmDenver Intl
24h 51m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Jan 29
CCU3:25 amKolkata Netaji S. Chandra
43h 50m
2 stops
DEN10:45 amDenver Intl
$1,098
Find similar
Qatar Airways
Jan 13
DEN8:44 amDenver Intl
28h 41m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Jan 29
CCU3:25 amKolkata Netaji S. Chandra
27h 58m
2 stops
DEN6:53 pmDenver Intl
$1,127
Find similar
Qatar Airways
Jan 15
DEN12:34 pmDenver Intl
24h 51m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Jan 30
CCU3:25 amKolkata Netaji S. Chandra
32h 21m
2 stops
DEN11:16 pmDenver Intl
$1,129
Find similar

Singapore Airlines flights from Denver to Kolkata

Our best Singapore Airlines deals on Denver to Kolkata flight tickets
Singapore Airlines
Jan 14
DEN7:50 amDenver Intl
50h 05m
2 stops
CCU10:25 pmKolkata Netaji S. Chandra
Feb 3
CCU11:40 pmKolkata Netaji S. Chandra
55h 08m
2 stops
DEN6:18 pmDenver Intl
$1,610
Find similar
Singapore Airlines
Jan 14
DEN7:50 amDenver Intl
50h 05m
2 stops
CCU10:25 pmKolkata Netaji S. Chandra
Jan 28
CCU11:40 pmKolkata Netaji S. Chandra
31h 08m
3 stops
DEN6:18 pmDenver Intl
$1,613
Find similar
Singapore Airlines
Jan 13
DEN7:50 amDenver Intl
50h 05m
3 stops
CCU10:25 pmKolkata Netaji S. Chandra
Jan 28
CCU11:40 pmKolkata Netaji S. Chandra
53h 22m
2 stops
DEN4:32 pmDenver Intl
$1,622
Find similar

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 November 6, 2025.
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

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 1/15

12:34 pm-1:55 am

2 stops24h 51m

Kolkata Netaji S. Chandra

Thu 1/29

3:25 am-10:45 am

2 stops43h 50m

$1,098

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 3/2

11:59 pm-10:10 pm

2 stops33h 41m

Kolkata Netaji S. Chandra

Tue 3/31

10:10 am-9:38 pm

2 stops46h 58m

$1,099

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Tue 1/13

8:44 am-1:55 am

2 stops28h 41m

Kolkata Netaji S. Chandra

Thu 1/29

3:25 am-6:53 pm

2 stops27h 58m

$1,127

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Fri 12/5

11:15 am-8:40 am

3 stops32h 55m

Kolkata Netaji S. Chandra

Fri 12/12

8:55 pm-7:55 pm

3 stops35h 30m

$1,213

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 1/17

4:20 pm-8:40 am

2 stops27h 50m

Kolkata Netaji S. Chandra

Tue 2/3

9:00 pm-1:40 pm

2 stops29h 10m

$1,437

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sun 1/18

3:55 pm-8:40 am

2 stops28h 15m

Kolkata Netaji S. Chandra

Tue 2/3

9:00 pm-1:40 pm

2 stops29h 10m

$1,458

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 3/2

1:25 pm-9:50 am

3 stops31h 55m

Kolkata Netaji S. Chandra

Tue 3/31

4:15 pm-7:55 pm

2 stops39h 10m

$1,476

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Wed 1/14

7:50 am-10:25 pm

2 stops50h 05m

Kolkata Netaji S. Chandra

Tue 2/3

11:40 pm-6:18 pm

2 stops55h 08m

$1,610

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Wed 1/14

7:50 am-10:25 pm

2 stops50h 05m

Kolkata Netaji S. Chandra

Wed 1/28

11:40 pm-6:18 pm

3 stops31h 08m

$1,613

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 12/8

11:50 am-2:40 am

2 stops26h 20m

Kolkata Netaji S. Chandra

Fri 12/19

8:55 pm-9:37 pm

2 stops37h 12m

$1,806

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 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 $988. If you aren’t able to travel during the month of April, then book flights to Kolkata from Denver during September instead. Flights to Kolkata in September, while not as cheap as those in April, still average around $1,165.

What is the cheapest day to depart on your flight to Kolkata?

On average, the least expensive day to fly to Kolkata from Denver is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,434. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Kolkata on Thursday is $1,492.

What is the cheapest time of day to depart on your flight to Kolkata?

In the evening is the cheapest time of day to fly from Denver to Kolkata when you can find flight prices for as low as $1,255. Flying to Kolkata in the evening is an ideal time because this is during off-peak travel hours. Flights to Kolkata are more costly at noon, with an average ticket price of $1,474. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
There are no direct flights from Denver to Kolkata. There are no popular flight routes from Denver to Kolkata.
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  • 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 24h 51m, 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 $1,133Free CancellationRating
7.4
3,661 reviews
Search Qatar Airways flights
LufthansaPriceFrom $1,322Free CancellationRating
6.8
7,558 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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