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Cheap flights from Denver to Kolkata from $971

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 10/4. 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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Find the cheapest flights from Denver to Kolkata

Cheap round-trip flights

Air India Logo
11:25 am - 7:15 pmDEN-CCU
44h 20m2 stops
Air India Logo
8:55 pm - 11:05 amCCU-DEN
49h 40m2 stops
$971Air India
Find Deal
Sat, Oct 4 - Tue, Oct 28
Logo
12:04 am - 8:35 pmDEN-CCU
33h 01m3 stops
Logo
4:00 am - 7:45 amCCU-DEN
39h 15m3 stops
$972
Find Deal
Mon, Sep 29 - Fri, Oct 24
Logo
6:10 am - 8:35 pmDEN-CCU
50h 55m3 stops
Logo
4:00 am - 1:08 amCCU-DEN
32h 38m2 stops
$974
Find Deal
Mon, Sep 29 - Sat, Oct 11
Air India Logo
11:50 am - 8:10 pmDEN-CCU
43h 50m2 stops
Air India Logo
10:25 am - 11:05 amCCU-DEN
61h 10m2 stops
$1,010Air India
Find Deal
Tue, Nov 4 - Wed, Nov 12
Logo
4:14 pm - 8:35 pmDEN-CCU
40h 51m2 stops
Logo
4:00 am - 1:08 amCCU-DEN
32h 38m2 stops
$1,011
Find Deal
Mon, Sep 29 - Sat, Oct 11
Air India Logo
11:25 am - 7:15 pmDEN-CCU
44h 20m2 stops
Air India Logo
12:55 am - 11:05 amCCU-DEN
69h 40m2 stops
$1,023Air India
Find Deal
Sat, Oct 4 - Sat, Oct 25
Air India Logo
11:25 am - 9:35 pmDEN-CCU
46h 40m2 stops
Air India Logo
8:55 pm - 11:05 amCCU-DEN
49h 40m2 stops
$1,042Air India
Find Deal
Sat, Sep 27 - Wed, Oct 29
Qatar Airways Logo
11:29 am - 2:20 amDEN-CCU
27h 21m2 stops
Qatar Airways Logo
3:25 am - 9:48 pmCCU-DEN
30h 53m2 stops
$1,056Qatar Airways
Find Deal
Tue, Sep 30 - Sun, Nov 2
Qatar Airways Logo
6:00 am - 2:20 amDEN-CCU
32h 50m2 stops
Qatar Airways Logo
3:25 am - 10:19 pmCCU-DEN
31h 24m2 stops
$1,069Qatar Airways
Find Deal
Thu, Oct 2 - Sun, Nov 2
Etihad Airways Logo
11:25 am - 3:00 amDEN-CCU
52h 05m2 stops
Etihad Airways Logo
4:00 am - 11:04 pmCCU-DEN
30h 34m2 stops
$1,179Etihad Airways
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Sat, Oct 4 - Fri, Oct 24

Qatar Airways flights from Denver to Kolkata

Our best Qatar Airways deals on Denver to Kolkata flight tickets
Qatar Airways
Sep 30
DEN11:29 amDenver Intl
27h 21m
2 stops
CCU2:20 amKolkata Netaji S. Chandra
Nov 2
CCU3:25 amKolkata Netaji S. Chandra
30h 53m
2 stops
DEN9:48 pmDenver Intl
$1,056
Find similar
Qatar Airways
Oct 2
DEN6:00 amDenver Intl
32h 50m
2 stops
CCU2:20 amKolkata Netaji S. Chandra
Nov 2
CCU3:25 amKolkata Netaji S. Chandra
31h 24m
2 stops
DEN10:19 pmDenver Intl
$1,069
Find similar
Qatar Airways
Sep 30
DEN11:29 amDenver Intl
27h 21m
2 stops
CCU2:20 amKolkata Netaji S. Chandra
Nov 2
CCU3:25 amKolkata Netaji S. Chandra
31h 24m
2 stops
DEN10:19 pmDenver Intl
$1,102
Find similar

Air India flights from Denver to Kolkata

Our best Air India deals on Denver to Kolkata flight tickets
Air India
Oct 4
DEN11:25 amDenver Intl
44h 20m
2 stops
CCU7:15 pmKolkata Netaji S. Chandra
Oct 28
CCU8:55 pmKolkata Netaji S. Chandra
49h 40m
2 stops
DEN11:05 amDenver Intl
$971
Find similar
Air India
Nov 4
DEN11:50 amDenver Intl
43h 50m
2 stops
CCU8:10 pmKolkata Netaji S. Chandra
Nov 12
CCU10:25 amKolkata Netaji S. Chandra
61h 10m
2 stops
DEN11:05 amDenver Intl
$1,010
Find similar
Air India
Oct 4
DEN11:25 amDenver Intl
44h 20m
2 stops
CCU7:15 pmKolkata Netaji S. Chandra
Oct 25
CCU12:55 amKolkata Netaji S. Chandra
69h 40m
2 stops
DEN11:05 amDenver Intl
$1,023
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 September 15, 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

Sat 10/4

11:25 am-7:15 pm

2 stops44h 20m

Kolkata Netaji S. Chandra

Tue 10/28

8:55 pm-11:05 am

2 stops49h 40m

$971

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 9/29

12:04 am-8:35 pm

3 stops33h 01m

Kolkata Netaji S. Chandra

Fri 10/24

4:00 am-7:45 am

3 stops39h 15m

$972

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 9/29

6:10 am-8:35 pm

3 stops50h 55m

Kolkata Netaji S. Chandra

Sat 10/11

4:00 am-1:08 am

2 stops32h 38m

$974

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Tue 11/4

11:50 am-8:10 pm

2 stops43h 50m

Kolkata Netaji S. Chandra

Wed 11/12

10:25 am-11:05 am

2 stops61h 10m

$1,010

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 9/29

4:14 pm-8:35 pm

2 stops40h 51m

Kolkata Netaji S. Chandra

Sat 10/11

4:00 am-1:08 am

2 stops32h 38m

$1,011

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 10/4

11:25 am-7:15 pm

2 stops44h 20m

Kolkata Netaji S. Chandra

Sat 10/25

12:55 am-11:05 am

2 stops69h 40m

$1,023

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 9/27

11:25 am-9:35 pm

2 stops46h 40m

Kolkata Netaji S. Chandra

Wed 10/29

8:55 pm-11:05 am

2 stops49h 40m

$1,042

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Tue 9/30

11:29 am-2:20 am

2 stops27h 21m

Kolkata Netaji S. Chandra

Sun 11/2

3:25 am-9:48 pm

2 stops30h 53m

$1,056

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 10/2

6:00 am-2:20 am

2 stops32h 50m

Kolkata Netaji S. Chandra

Sun 11/2

3:25 am-10:19 pm

2 stops31h 24m

$1,069

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 10/4

11:25 am-3:00 am

2 stops52h 05m

Kolkata Netaji S. Chandra

Fri 10/24

4:00 am-11:04 pm

2 stops30h 34m

$1,179

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 25h 49m, 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
3,624 reviews
Search Qatar Airways flights
LufthansaPriceFrom $1,322Free CancellationRating
6.8
7,407 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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