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Cheap flights from Denver to Kolkata from $981

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Kolkata departing on 4/6. 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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0 bags

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Find the cheapest flights from Denver to Kolkata

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:31 pm - 8:30 pm
DEN
-
CCU
33h 29m
2 stops
Multiple Airlines Logo
9:30 pm - 5:02 pm
CCU
-
DEN
31h 02m
2 stops
$981Multiple Airlines
Mon, Apr 6 - Fri, Apr 17
Qatar Airways Logo
10:25 am - 2:30 am
DEN
-
CCU
28h 35m
2 stops
Qatar Airways Logo
4:00 am - 10:35 pm
CCU
-
DEN
30h 05m
2 stops
$1,157Qatar Airways
Sun, Apr 5 - Fri, Apr 17
Qatar Airways Logo
12:40 pm - 2:30 am
DEN
-
CCU
26h 20m
2 stops
Qatar Airways Logo
4:00 am - 9:59 pm
CCU
-
DEN
29h 29m
2 stops
$1,175Qatar Airways
Thu, May 7 - Thu, May 14
Qatar Airways Logo
1:13 pm - 2:30 am
DEN
-
CCU
25h 47m
2 stops
Qatar Airways Logo
4:00 am - 12:06 am
CCU
-
DEN
31h 36m
2 stops
$1,193Qatar Airways
Wed, May 6 - Wed, May 20
Qatar Airways Logo
12:33 pm - 2:30 am
DEN
-
CCU
26h 27m
2 stops
Qatar Airways Logo
4:00 am - 10:45 pm
CCU
-
DEN
30h 15m
2 stops
$1,196Qatar Airways
Sun, Apr 5 - Sat, Apr 18
Qatar Airways Logo
10:37 am - 2:30 am
DEN
-
CCU
28h 23m
2 stops
Qatar Airways Logo
4:00 am - 11:59 pm
CCU
-
DEN
31h 29m
2 stops
$1,206Qatar Airways
Wed, Apr 8 - Thu, Apr 16
Qatar Airways Logo
2:00 pm - 2:30 am
DEN
-
CCU
25h 00m
2 stops
Qatar Airways Logo
4:00 am - 9:38 pm
CCU
-
DEN
29h 08m
2 stops
$1,216Qatar Airways
Thu, Sep 10 - Mon, Sep 14
Qatar Airways Logo
2:00 pm - 2:30 am
DEN
-
CCU
25h 00m
2 stops
Qatar Airways Logo
4:00 am - 10:00 pm
CCU
-
DEN
29h 30m
2 stops
$1,217Qatar Airways
Thu, Sep 10 - Mon, Sep 14
Qatar Airways Logo
10:25 am - 2:30 am
DEN
-
CCU
28h 35m
2 stops
Qatar Airways Logo
4:00 am - 11:59 pm
CCU
-
DEN
31h 29m
2 stops
$1,245Qatar Airways
Sat, Apr 4 - Thu, Apr 16
Multiple Airlines Logo
11:59 pm - 8:30 pm
DEN
-
CCU
33h 01m
3 stops
Multiple Airlines Logo
9:30 pm - 10:24 pm
CCU
-
DEN
36h 24m
3 stops
$1,247Multiple Airlines
Mon, May 4 - Mon, May 11

Qatar Airways flights from Denver to Kolkata

Our best Qatar Airways deals on Denver to Kolkata flight tickets
Qatar Airways
Apr 5
DEN10:25 amDenver Intl
28h 35m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Apr 17
CCU4:00 amKolkata Netaji S. Chandra
30h 05m
2 stops
DEN10:35 pmDenver Intl
$1,157
Qatar Airways
May 7
DEN12:40 pmDenver Intl
26h 20m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
May 14
CCU4:00 amKolkata Netaji S. Chandra
29h 29m
2 stops
DEN9:59 pmDenver Intl
$1,175
Qatar Airways
May 6
DEN1:13 pmDenver Intl
25h 47m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
May 20
CCU4:00 amKolkata Netaji S. Chandra
31h 36m
2 stops
DEN12:06 amDenver Intl
$1,193

Singapore Airlines flights from Denver to Kolkata

Our best Singapore Airlines deals on Denver to Kolkata flight tickets
Singapore Airlines
Apr 7
DEN8:11 pmDenver Intl
62h 54m
3 stops
CCU10:35 pmKolkata Netaji S. Chandra
Apr 18
CCU11:40 pmKolkata Netaji S. Chandra
55h 30m
2 stops
DEN7:40 pmDenver Intl
$2,319
Singapore Airlines
Apr 6
DEN8:11 pmDenver Intl
62h 54m
3 stops
CCU10:35 pmKolkata Netaji S. Chandra
Apr 18
CCU11:40 pmKolkata Netaji S. Chandra
54h 15m
2 stops
DEN6:25 pmDenver Intl
$2,406
Singapore Airlines
Apr 4
DEN8:11 pmDenver Intl
62h 54m
3 stops
CCU10:35 pmKolkata Netaji S. Chandra
Apr 18
CCU11:40 pmKolkata Netaji S. Chandra
55h 30m
2 stops
DEN7:40 pmDenver Intl
$2,454

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 March 23, 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

Mon 4/6

11:31 pm-8:30 pm

2 stops33h 29m

Kolkata Netaji S. Chandra

Fri 4/17

9:30 pm-5:02 pm

2 stops31h 02m

$981

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sun 4/5

10:25 am-2:30 am

2 stops28h 35m

Kolkata Netaji S. Chandra

Fri 4/17

4:00 am-10:35 pm

2 stops30h 05m

$1,157

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 5/7

12:40 pm-2:30 am

2 stops26h 20m

Kolkata Netaji S. Chandra

Thu 5/14

4:00 am-9:59 pm

2 stops29h 29m

$1,175

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Wed 5/6

1:13 pm-2:30 am

2 stops25h 47m

Kolkata Netaji S. Chandra

Wed 5/20

4:00 am-12:06 am

2 stops31h 36m

$1,193

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sun 4/5

12:33 pm-2:30 am

2 stops26h 27m

Kolkata Netaji S. Chandra

Sat 4/18

4:00 am-10:45 pm

2 stops30h 15m

$1,196

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Wed 4/8

10:37 am-2:30 am

2 stops28h 23m

Kolkata Netaji S. Chandra

Thu 4/16

4:00 am-11:59 pm

2 stops31h 29m

$1,206
Quickest round-trip

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 9/10

2:00 pm-2:30 am

2 stops25h 00m

Kolkata Netaji S. Chandra

Mon 9/14

4:00 am-9:38 pm

2 stops29h 08m

$1,216

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 9/10

2:00 pm-2:30 am

2 stops25h 00m

Kolkata Netaji S. Chandra

Mon 9/14

4:00 am-10:00 pm

2 stops29h 30m

$1,217

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 4/4

10:25 am-2:30 am

2 stops28h 35m

Kolkata Netaji S. Chandra

Thu 4/16

4:00 am-11:59 pm

2 stops31h 29m

$1,245

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 5/4

11:59 pm-8:30 pm

3 stops33h 01m

Kolkata Netaji S. Chandra

Mon 5/11

9:30 pm-10:24 pm

3 stops36h 24m

$1,247

Flights are sorted by cheapest round-trip 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 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

26h 41m

Direct flights

None
The fastest flight from Denver to Kolkata takes 26h 41m
There are no direct flights from Denver to Kolkata. There are no popular flight routes from Denver to Kolkata.
Search flight deals

  • 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 26h 41m, 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
3,732 reviews
Search Qatar Airways flights
LufthansaPriceFrom $1,277Free CancellationRating
6.8
7,863 reviews
Search Lufthansa flights

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

    Search flight deals from Denver to Kolkata. While viewing offers you’ll have the option to create a Price Alert.

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

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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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