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Cheap flights from Colorado to Kolkata from $590

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Kolkata departing on 8/31. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Kolkata

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:54 pm - 2:55 amDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
39h 31m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl
Multiple Airlines Logo
3:50 am - 8:35 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
28h 15m2 stops Abu Dhabi Zayed Intl Chicago O'Hare Intl
$1,031Multiple Airlines
Tue, Sep 1 - Mon, Sep 28
Multiple Airlines Logo
6:56 am - 2:55 amDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
32h 29m2 stops Chicago O'Hare Intl Abu Dhabi Zayed Intl
Multiple Airlines Logo
9:30 pm - 11:59 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
37h 59m2 stops Abu Dhabi Zayed Intl Chicago O'Hare Intl
$1,171Multiple Airlines
Fri, Aug 28 - Fri, Sep 4
Qatar Airways Logo
11:58 am - 2:30 amDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
27h 02m2 stops Los Angeles Doha Hamad Intl
Qatar Airways Logo
3:25 am - 9:55 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
30h 00m2 stops Doha Hamad Intl Los Angeles
$1,178Qatar Airways
Tue, Oct 13 - Mon, Oct 26
Qatar Airways Logo
7:18 am - 2:30 amDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
31h 42m2 stops Los Angeles Doha Hamad Intl
Qatar Airways Logo
3:25 am - 9:34 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
29h 39m2 stops Doha Hamad Intl Dallas/Fort Worth
$1,240Qatar Airways
Sat, Oct 10 - Sun, Oct 25
Qatar Airways Logo
8:00 am - 1:55 amDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
29h 25m2 stops Chicago O'Hare Intl Doha Hamad Intl
Qatar Airways Logo
3:25 am - 5:59 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
27h 04m2 stops Doha Hamad Intl Dallas/Fort Worth
$1,247Qatar Airways
Thu, Jan 14 - Sat, Feb 13
Qatar Airways Logo
2:28 pm - 2:30 amDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
24h 32m2 stops Chicago O'Hare Intl Doha Hamad Intl
Qatar Airways Logo
3:25 am - 12:36 amCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
32h 41m2 stops Doha Hamad Intl Chicago O'Hare Intl
$1,249Qatar Airways
Fri, Oct 9 - Sun, Oct 25
Multiple Airlines Logo
11:35 am - 10:25 pmDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
46h 20m3 stops New York John F Kennedy Intl Frankfurt am Main Singapore Changi
Multiple Airlines Logo
11:40 pm - 10:59 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
59h 49m3 stops Singapore Changi Frankfurt am Main New York John F Kennedy Intl
$1,506Multiple Airlines
Thu, Jan 14 - Sun, Feb 14
Multiple Airlines Logo
6:30 am - 10:25 pmDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
51h 25m3 stops Los Angeles Tokyo Narita Singapore Changi
Multiple Airlines Logo
11:40 pm - 5:50 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
54h 40m2 stops Singapore Changi Los Angeles
$1,510Multiple Airlines
Thu, Jan 14 - Sun, Feb 14
Multiple Airlines Logo
8:10 pm - 3:20 pmDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
31h 40m3 stops Reykjavik Keflavik Intl Amsterdam Schiphol New Delhi Indira Gandhi Intl
Multiple Airlines Logo
11:30 pm - 4:58 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
28h 58m3 stops Bangkok Suvarnabhumi Tokyo Narita Vancouver Intl
$1,514Multiple Airlines
Tue, Sep 1 - Tue, Sep 29
Lufthansa Logo
4:15 pm - 8:40 amDEN  Denver Intl-CCU Kolkata Netaji S. Chandra
27h 55m2 stops Munich Franz Josef Strauss New Delhi Indira Gandhi Intl
Lufthansa Logo
9:00 pm - 1:40 pmCCU  Kolkata Netaji S. Chandra-DEN Denver Intl
29h 10m2 stops New Delhi Indira Gandhi Intl Frankfurt am Main
$2,355Lufthansa
Mon, Dec 14 - Mon, Jan 4

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Qatar Airways flights from Colorado to Kolkata

Our best Qatar Airways deals on Colorado to Kolkata flight tickets
Qatar Airways
Oct 13
DEN11:58 amDenver Intl
27h 02m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Oct 26
CCU3:25 amKolkata Netaji S. Chandra
30h 00m
2 stops
DEN9:55 pmDenver Intl
$1,178
Qatar Airways
Oct 10
DEN7:18 amDenver Intl
31h 42m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Oct 25
CCU3:25 amKolkata Netaji S. Chandra
29h 39m
2 stops
DEN9:34 pmDenver Intl
$1,240
Qatar Airways
Jan 14
DEN8:00 amDenver Intl
29h 25m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Feb 13
CCU3:25 amKolkata Netaji S. Chandra
27h 04m
2 stops
DEN5:59 pmDenver Intl
$1,247

momondo Fare Finder

 
Customize your flight search to find flights from Colorado 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 August 5, 2026.
Use the filters below to find and compare flights from Colorado to Kolkata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Tue 9/1

11:54 pm-2:55 am

2 stops39h 31m

Kolkata Netaji S. Chandra

Mon 9/28

3:50 am-8:35 pm

2 stops28h 15m

$1,031

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Fri 8/28

6:56 am-2:55 am

2 stops32h 29m

Kolkata Netaji S. Chandra

Fri 9/4

9:30 pm-11:59 pm

2 stops37h 59m

$1,171

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Tue 10/13

11:58 am-2:30 am

2 stops27h 02m

Kolkata Netaji S. Chandra

Mon 10/26

3:25 am-9:55 pm

2 stops30h 00m

$1,178

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Sat 10/10

7:18 am-2:30 am

2 stops31h 42m

Kolkata Netaji S. Chandra

Sun 10/25

3:25 am-9:34 pm

2 stops29h 39m

$1,240
Quickest round-trip

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Thu 1/14

8:00 am-1:55 am

2 stops29h 25m

Kolkata Netaji S. Chandra

Sat 2/13

3:25 am-5:59 pm

2 stops27h 04m

$1,247

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Fri 10/9

2:28 pm-2:30 am

2 stops24h 32m

Kolkata Netaji S. Chandra

Sun 10/25

3:25 am-12:36 am

2 stops32h 41m

$1,249

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Thu 1/14

11:35 am-10:25 pm

3 stops46h 20m

Kolkata Netaji S. Chandra

Sun 2/14

11:40 pm-10:59 pm

3 stops59h 49m

$1,506

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Thu 1/14

6:30 am-10:25 pm

3 stops51h 25m

Kolkata Netaji S. Chandra

Sun 2/14

11:40 pm-5:50 pm

2 stops54h 40m

$1,510

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Tue 9/1

8:10 pm-3:20 pm

3 stops31h 40m

Kolkata Netaji S. Chandra

Tue 9/29

11:30 pm-4:58 pm

3 stops28h 58m

$1,514

DenverKolkata

DEN Denver Intl - CCU Kolkata Netaji S. Chandra

DENCCU

Denver Intl

Mon 12/14

4:15 pm-8:40 am

2 stops27h 55m

Kolkata Netaji S. Chandra

Mon 1/4

9:00 pm-1:40 pm

2 stops29h 10m

$2,355

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Colorado 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 Colorado, with most prices found around $0. If you aren’t able to travel during the month of April, then book flights to Kolkata from Colorado during February instead. Flights to Kolkata in February, while not as cheap as those in April, still average around $0.

Cheap Colorado to Kolkata flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Kolkata

Fastest flight time

25h 45m

Direct flights

None
The fastest flight from Colorado to Kolkata takes 25h 45m
There are no direct flights from Colorado to Kolkata. There are no popular flight routes from Colorado to Kolkata.
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Frequently asked questions about flying from Colorado to Kolkata

  • When did momondo last update prices for flights from Colorado to Kolkata Netaji S. Chandra Airport?

    Prices for flights from Colorado to Kolkata Netaji S. Chandra Airport are updated daily.

  • How many operators does momondo search for flights from Colorado to Kolkata Netaji S. Chandra Airport?

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

  • What documentation or ID do you need to fly to Kolkata Netaji S. Chandra Airport?

    The necessary travel and health documents for your Kolkata Netaji S. Chandra Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Colorado to Kolkata

Compare and see reviews for airlines that fly from Colorado to Kolkata with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom $1,138Free CancellationRating
7.4
3,736 reviews
Search Qatar Airways flights
LufthansaPriceFrom $1,276Free CancellationRating
6.8
8,176 reviews
Search Lufthansa flights

Why use momondo?

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

It is quick and easy to find Colorado to Kolkata flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Kolkata that suits you.

Can I find flights from Colorado to Kolkata with flexible booking policies on momondo?

All flight searches from Colorado to Kolkata on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Colorado to Kolkata?

Once you have performed a search for Colorado to Kolkata flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Kolkata from Colorado. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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