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Cheap flights from Denver to Kolkata from $429

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 4/29. 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.
Lufthansa Logo
4:05 pm - 8:40 am
DEN
-
CCU
29h 05m
2 stops
Lufthansa Logo
10:00 pm - 3:40 pm
CCU
-
DEN
29h 10m
2 stops
$1,225Lufthansa
Mon, May 11 - Mon, Sep 7
Lufthansa Logo
4:05 pm - 8:40 am
DEN
-
CCU
29h 05m
2 stops
Lufthansa Logo
10:00 pm - 3:40 pm
CCU
-
DEN
29h 10m
2 stops
$1,316Lufthansa
Mon, May 11 - Mon, Sep 7
Multiple Airlines Logo
1:15 pm - 10:15 pm
DEN
-
CCU
45h 30m
2 stops
Multiple Airlines Logo
11:30 pm - 10:58 pm
CCU
-
DEN
34h 58m
3 stops
$1,401Multiple Airlines
Mon, May 11 - Mon, Sep 7
Multiple Airlines Logo
1:15 pm - 10:15 pm
DEN
-
CCU
45h 30m
2 stops
Multiple Airlines Logo
11:30 pm - 11:30 am
CCU
-
DEN
47h 30m
3 stops
$1,410Multiple Airlines
Mon, May 11 - Mon, Sep 7
Multiple Airlines Logo
8:00 am - 10:15 pm
DEN
-
CCU
50h 45m
3 stops
Multiple Airlines Logo
11:30 pm - 10:58 pm
CCU
-
DEN
34h 58m
3 stops
$1,484Multiple Airlines
Mon, May 11 - Mon, Sep 7
Multiple Airlines Logo
11:59 pm - 10:35 pm
DEN
-
CCU
59h 06m
3 stops
Multiple Airlines Logo
11:30 pm - 10:58 pm
CCU
-
DEN
34h 58m
3 stops
$1,576Multiple Airlines
Mon, May 11 - Mon, Sep 7
Multiple Airlines Logo
8:00 am - 10:15 pm
DEN
-
CCU
50h 45m
3 stops
Multiple Airlines Logo
11:30 pm - 10:58 pm
CCU
-
DEN
34h 58m
3 stops
$2,542Multiple Airlines
Mon, May 11 - Mon, Sep 7
Qatar Airways Logo
12:19 pm - 1:55 am
DEN
-
CCU
26h 06m
2 stops
Qatar Airways Logo
3:25 am - 11:56 pm
CCU
-
DEN
32h 01m
2 stops
$6,043Qatar Airways
Mon, Mar 9 - Thu, Mar 19
British Airways Logo
5:25 pm - 11:10 am
DEN
-
CCU
29h 15m
2 stops
British Airways Logo
7:30 pm - 4:30 pm
CCU
-
DEN
56h 30m
2 stops
$7,215British Airways
Thu, Mar 5 - Mon, Mar 16
Multiple Airlines Logo
11:15 am - 6:50 pm
DEN
-
CCU
43h 05m
2 stops
Multiple Airlines Logo
1:25 am - 7:55 pm
CCU
-
DEN
54h 00m
2 stops
$7,457Multiple Airlines
Thu, Mar 5 - Sun, Mar 15

Qatar Airways flights from Denver to Kolkata

Our best Qatar Airways deals on Denver to Kolkata flight tickets
Qatar Airways
Feb 15
DEN7:05 amDenver Intl
30h 20m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Feb 18
CCU3:25 amKolkata Netaji S. Chandra
28h 39m
2 stops
DEN7:34 pmDenver Intl
$1,217
Qatar Airways
Feb 15
DEN7:05 amDenver Intl
30h 20m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Feb 18
CCU3:25 amKolkata Netaji S. Chandra
46h 24m
2 stops
DEN1:19 pmDenver Intl
$1,220
Qatar Airways
Feb 15
DEN7:05 amDenver Intl
30h 20m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Feb 18
CCU3:25 amKolkata Netaji S. Chandra
46h 24m
2 stops
DEN1:19 pmDenver Intl
$1,280

Lufthansa flights from Denver to Kolkata

Our best Lufthansa deals on Denver to Kolkata flight tickets
Lufthansa
May 11
DEN4:05 pmDenver Intl
29h 05m
2 stops
CCU8:40 amKolkata Netaji S. Chandra
Sep 7
CCU10:00 pmKolkata Netaji S. Chandra
29h 10m
2 stops
DEN3:40 pmDenver Intl
$1,225
Lufthansa
May 11
DEN4:05 pmDenver Intl
29h 05m
2 stops
CCU8:40 amKolkata Netaji S. Chandra
Sep 7
CCU10:00 pmKolkata Netaji S. Chandra
29h 10m
2 stops
DEN3:40 pmDenver Intl
$1,316

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 February 11, 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

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 5/11

4:05 pm-8:40 am

2 stops29h 05m

Kolkata Netaji S. Chandra

Mon 9/7

10:00 pm-3:40 pm

2 stops29h 10m

$1,225

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 5/11

4:05 pm-8:40 am

2 stops29h 05m

Kolkata Netaji S. Chandra

Mon 9/7

10:00 pm-3:40 pm

2 stops29h 10m

$1,316

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 5/11

1:15 pm-10:15 pm

2 stops45h 30m

Kolkata Netaji S. Chandra

Mon 9/7

11:30 pm-10:58 pm

3 stops34h 58m

$1,401

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 5/11

1:15 pm-10:15 pm

2 stops45h 30m

Kolkata Netaji S. Chandra

Mon 9/7

11:30 pm-11:30 am

3 stops47h 30m

$1,410

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 5/11

8:00 am-10:15 pm

3 stops50h 45m

Kolkata Netaji S. Chandra

Mon 9/7

11:30 pm-10:58 pm

3 stops34h 58m

$1,484

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 5/11

11:59 pm-10:35 pm

3 stops59h 06m

Kolkata Netaji S. Chandra

Mon 9/7

11:30 pm-10:58 pm

3 stops34h 58m

$1,576

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 5/11

8:00 am-10:15 pm

3 stops50h 45m

Kolkata Netaji S. Chandra

Mon 9/7

11:30 pm-10:58 pm

3 stops34h 58m

$2,542

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 3/9

12:19 pm-1:55 am

2 stops26h 06m

Kolkata Netaji S. Chandra

Thu 3/19

3:25 am-11:56 pm

2 stops32h 01m

$6,043

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 3/5

5:25 pm-11:10 am

2 stops29h 15m

Kolkata Netaji S. Chandra

Mon 3/16

7:30 pm-4:30 pm

2 stops56h 30m

$7,215

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 3/5

11:15 am-6:50 pm

2 stops43h 05m

Kolkata Netaji S. Chandra

Sun 3/15

1:25 am-7:55 pm

2 stops54h 00m

$7,457

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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

29h 05m

Direct flights

None
The fastest flight from Denver to Kolkata takes 29h 05m
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 29h 05m, 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
3,731 reviews
Search Qatar Airways flights
LufthansaPriceFrom $1,297Free CancellationRating
6.8
7,777 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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