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Cheap flights from Denver to Kolkata from ₹ 81,285

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Kolkata departing on 1/5. 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

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
23:59 - 20:30
DEN
-
CCU
33h 01m
2 stops
Multiple Airlines Logo
04:10 - 22:46
CCU
-
DEN
54h 06m
2 stops
₹ 81,285Multiple Airlines
Fri, 1 May - Sat, 23 May
Qatar Airways Logo
12:24 - 02:30
DEN
-
CCU
26h 36m
2 stops
Qatar Airways Logo
04:00 - 22:45
CCU
-
DEN
30h 15m
2 stops
₹ 116,281Qatar Airways
Tue, 5 May - Sat, 9 May
Multiple Airlines Logo
06:45 - 02:30
DEN
-
CCU
32h 15m
3 stops
Multiple Airlines Logo
04:00 - 23:44
CCU
-
DEN
31h 14m
2 stops
₹ 118,225Multiple Airlines
Fri, 1 May - Sat, 23 May
Qatar Airways Logo
10:37 - 02:30
DEN
-
CCU
28h 23m
2 stops
Qatar Airways Logo
04:00 - 00:06
CCU
-
DEN
31h 36m
2 stops
₹ 119,984Qatar Airways
Tue, 5 May - Sat, 9 May
Multiple Airlines Logo
23:59 - 18:35
DEN
-
CCU
31h 06m
2 stops
Multiple Airlines Logo
20:35 - 12:57
CCU
-
DEN
27h 52m
2 stops
₹ 124,243Multiple Airlines
Mon, 11 May - Mon, 7 Sep
Qatar Airways Logo
07:36 - 02:30
DEN
-
CCU
31h 24m
2 stops
Qatar Airways Logo
04:00 - 23:39
CCU
-
DEN
31h 09m
2 stops
₹ 125,539Qatar Airways
Fri, 1 May - Mon, 4 May
Qatar Airways Logo
10:37 - 02:30
DEN
-
CCU
28h 23m
2 stops
Qatar Airways Logo
04:00 - 23:59
CCU
-
DEN
31h 29m
2 stops
₹ 131,001Qatar Airways
Fri, 1 May - Mon, 4 May
Qatar Airways Logo
12:24 - 02:30
DEN
-
CCU
26h 36m
2 stops
Qatar Airways Logo
04:00 - 22:42
CCU
-
DEN
30h 12m
2 stops
₹ 134,704Qatar Airways
Mon, 11 May - Mon, 7 Sep
Qatar Airways Logo
07:36 - 02:30
DEN
-
CCU
31h 24m
2 stops
Qatar Airways Logo
04:00 - 22:42
CCU
-
DEN
30h 12m
2 stops
₹ 138,407Qatar Airways
Mon, 11 May - Mon, 7 Sep
Multiple Airlines Logo
23:59 - 22:15
DEN
-
CCU
34h 46m
2 stops
Multiple Airlines Logo
12:55 - 22:59
CCU
-
DEN
45h 34m
2 stops
₹ 147,295Multiple Airlines
Sun, 14 Jun - Tue, 30 Jun

Qatar Airways flights from Denver to Kolkata

Our best Qatar Airways deals on Denver to Kolkata flight tickets
Qatar Airways
5 May
DEN12:24Denver Intl
26h 36m
2 stops
CCU02:30Kolkata Netaji S. Chandra
9 May
CCU04:00Kolkata Netaji S. Chandra
30h 15m
2 stops
DEN22:45Denver Intl
₹ 116,281
Qatar Airways
5 May
DEN10:37Denver Intl
28h 23m
2 stops
CCU02:30Kolkata Netaji S. Chandra
9 May
CCU04:00Kolkata Netaji S. Chandra
31h 36m
2 stops
DEN00:06Denver Intl
₹ 119,984
Qatar Airways
1 May
DEN07:36Denver Intl
31h 24m
2 stops
CCU02:30Kolkata Netaji S. Chandra
4 May
CCU04:00Kolkata Netaji S. Chandra
31h 09m
2 stops
DEN23:39Denver Intl
₹ 125,539

Lufthansa flights from Denver to Kolkata

Our best Lufthansa deals on Denver to Kolkata flight tickets
Lufthansa
15 Jun
DEN16:05Denver Intl
25h 15m
2 stops
CCU04:50Kolkata Netaji S. Chandra
11 Jul
CCU22:00Kolkata Netaji S. Chandra
27h 00m
2 stops
DEN13:30Denver Intl
₹ 175,162
Lufthansa
15 Jun
DEN16:05Denver Intl
25h 15m
2 stops
CCU04:50Kolkata Netaji S. Chandra
16 Jul
CCU22:00Kolkata Netaji S. Chandra
29h 10m
2 stops
DEN15:40Denver Intl
₹ 176,088
Lufthansa
16 Jun
DEN17:40Denver Intl
27h 40m
2 stops
CCU08:50Kolkata Netaji S. Chandra
11 Jul
CCU22:00Kolkata Netaji S. Chandra
27h 00m
2 stops
DEN13:30Denver Intl
₹ 177,106

momondo Fare Finder

 
Customise 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 59,053 searches. Data last updated 20 April 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 return flight

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Fri 1/5

23:59-20:30

2 stops33h 01m

Kolkata Netaji S. Chandra

Sat 23/5

04:10-22:46

2 stops54h 06m

₹ 81,285

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Tue 5/5

12:24-02:30

2 stops26h 36m

Kolkata Netaji S. Chandra

Sat 9/5

04:00-22:45

2 stops30h 15m

₹ 116,281

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Fri 1/5

06:45-02:30

3 stops32h 15m

Kolkata Netaji S. Chandra

Sat 23/5

04:00-23:44

2 stops31h 14m

₹ 118,225

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Tue 5/5

10:37-02:30

2 stops28h 23m

Kolkata Netaji S. Chandra

Sat 9/5

04:00-00:06

2 stops31h 36m

₹ 119,984

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 11/5

23:59-18:35

2 stops31h 06m

Kolkata Netaji S. Chandra

Mon 7/9

20:35-12:57

2 stops27h 52m

₹ 124,243

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Fri 1/5

07:36-02:30

2 stops31h 24m

Kolkata Netaji S. Chandra

Mon 4/5

04:00-23:39

2 stops31h 09m

₹ 125,539

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Fri 1/5

10:37-02:30

2 stops28h 23m

Kolkata Netaji S. Chandra

Mon 4/5

04:00-23:59

2 stops31h 29m

₹ 131,001
Fastest return journey

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 11/5

12:24-02:30

2 stops26h 36m

Kolkata Netaji S. Chandra

Mon 7/9

04:00-22:42

2 stops30h 12m

₹ 134,704

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 11/5

07:36-02:30

2 stops31h 24m

Kolkata Netaji S. Chandra

Mon 7/9

04:00-22:42

2 stops30h 12m

₹ 138,407

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sun 14/6

23:59-22:15

2 stops34h 46m

Kolkata Netaji S. Chandra

Tue 30/6

12:55-22:59

2 stops45h 34m

₹ 147,295

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 return 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

26h 36m

Direct flights

None
The fastest flight from Denver to Kolkata takes 26h 36m
There are no direct flights from Denver to Kolkata. There are no popular flight routes from Denver to Kolkata.
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Frequently asked questions about flying from Denver to Kolkata

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

    Denver Intl and Kolkata Netaji S. Chandra are 12941.1 km apart from one another. A reasonable flight in good conditions will take 26h 36m.

  • 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 are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 required travel and health documents for your Kolkata Netaji S. Chandra Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kolkata Netaji S. Chandra Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Denver to Kolkata

  • How do I get Price Alerts for flights from Denver to Kolkata?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Denver from Kolkata. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Denver to Kolkata with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Denver to Kolkata for you.

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 helps you find the best flight between Denver and Kolkata by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Denver to Kolkata flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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