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Cheap flights from Colorado to Kolkata from $659

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 12/10. 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 Colorado to Kolkata

Cheap round-trip flights

Multiple Airlines Logo
10:39 pm - 8:35 pmDEN-CCU
34h 26m2 stops
Multiple Airlines Logo
8:55 pm - 3:51 pmCCU-DEN
31h 26m2 stops
$1,011Multiple Airlines
Find Deal
Thu, Oct 2 - Mon, Nov 3
Qatar Airways Logo
6:00 am - 2:20 amDEN-CCU
32h 50m2 stops
Qatar Airways Logo
3:25 am - 6:43 pmCCU-DEN
27h 48m2 stops
$1,056Qatar Airways
Find Deal
Thu, Oct 2 - Sun, Nov 2
Qatar Airways Logo
6:00 am - 2:20 amDEN-CCU
32h 50m2 stops
Qatar Airways Logo
3:25 am - 6:43 pmCCU-DEN
27h 48m2 stops
$1,102Qatar Airways
Find Deal
Thu, Oct 2 - Sun, Nov 2
Air India Logo
11:25 am - 9:35 pmDEN-CCU
46h 40m2 stops
Air India Logo
5:30 pm - 11:05 amCCU-DEN
53h 05m2 stops
$1,115Air India
Find Deal
Sat, Oct 4 - Sun, Oct 26
Multiple Airlines Logo
10:39 pm - 8:35 pmDEN-CCU
34h 26m2 stops
Multiple Airlines Logo
8:55 pm - 3:51 pmCCU-DEN
31h 26m2 stops
$1,121Multiple Airlines
Find Deal
Thu, Oct 2 - Mon, Nov 3
Multiple Airlines Logo
11:25 am - 3:00 amDEN-CCU
28h 05m2 stops
Multiple Airlines Logo
8:55 pm - 3:51 pmCCU-DEN
31h 26m2 stops
$1,145Multiple Airlines
Find Deal
Thu, Oct 2 - Mon, Nov 3
Qatar Airways Logo
11:25 am - 2:20 amDEN-CCU
51h 25m2 stops
Qatar Airways Logo
3:50 am - 11:05 amCCU-DEN
42h 45m2 stops
$1,154Qatar Airways
Find Deal
Sat, Oct 4 - Sat, Oct 25
Singapore Airlines Logo
11:51 am - 10:25 pmDEN-CCU
46h 04m3 stops
Singapore Airlines Logo
11:40 pm - 6:19 pmCCU-DEN
31h 09m3 stops
$1,439Singapore Airlines
Find Deal
Thu, Nov 13 - Wed, Dec 17
Lufthansa Logo
4:20 pm - 9:00 amDEN-CCU
28h 10m2 stops
Lufthansa Logo
9:20 pm - 2:35 pmCCU-DEN
29h 45m2 stops
$1,455Lufthansa
Find Deal
Mon, Jan 5 - Fri, Jan 16
Singapore Airlines Logo
7:50 am - 10:25 pmDEN-CCU
50h 05m3 stops
Singapore Airlines Logo
11:40 pm - 6:18 pmCCU-DEN
31h 08m3 stops
$1,871Singapore Airlines
Find Deal
Mon, Jan 5 - Fri, Jan 16

Air India flights from Colorado to Kolkata

Our best Air India deals on Colorado to Kolkata flight tickets
Air India
Sep 23
DEN11:25 amDenver Intl
44h 20m
2 stops
CCU7:15 pmKolkata Netaji S. Chandra
Oct 29
CCU8:55 pmKolkata Netaji S. Chandra
49h 40m
2 stops
DEN11:05 amDenver Intl
$980
Find similar
Air India
Sep 23
DEN11:25 amDenver Intl
44h 20m
2 stops
CCU7:15 pmKolkata Netaji S. Chandra
Oct 28
CCU12:55 amKolkata Netaji S. Chandra
69h 40m
2 stops
DEN11:05 amDenver Intl
$1,027
Find similar
Air India
Oct 4
DEN11:25 amDenver Intl
46h 40m
2 stops
CCU9:35 pmKolkata Netaji S. Chandra
Oct 26
CCU5:30 pmKolkata Netaji S. Chandra
53h 05m
2 stops
DEN11:05 amDenver Intl
$1,115
Find similar

Qatar Airways flights from Colorado to Kolkata

Our best Qatar Airways deals on Colorado to Kolkata flight tickets
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
27h 48m
2 stops
DEN6:43 pmDenver Intl
$1,056
Find similar
Qatar Airways
Sep 27
DEN12:55 pmDenver Intl
49h 55m
2 stops
CCU2:20 amKolkata Netaji S. Chandra
Oct 19
CCU3:50 amKolkata Netaji S. Chandra
31h 21m
2 stops
DEN11:41 pmDenver Intl
$1,095
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
27h 48m
2 stops
DEN6:43 pmDenver Intl
$1,102
Find similar

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 September 22, 2025.
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

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 10/2

10:39 pm-8:35 pm

2 stops34h 26m

Kolkata Netaji S. Chandra

Mon 11/3

8:55 pm-3:51 pm

2 stops31h 26m

$1,011

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-6:43 pm

2 stops27h 48m

$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-6:43 pm

2 stops27h 48m

$1,102

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 10/4

11:25 am-9:35 pm

2 stops46h 40m

Kolkata Netaji S. Chandra

Sun 10/26

5:30 pm-11:05 am

2 stops53h 05m

$1,115

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 10/2

10:39 pm-8:35 pm

2 stops34h 26m

Kolkata Netaji S. Chandra

Mon 11/3

8:55 pm-3:51 pm

2 stops31h 26m

$1,121

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 10/2

11:25 am-3:00 am

2 stops28h 05m

Kolkata Netaji S. Chandra

Mon 11/3

8:55 pm-3:51 pm

2 stops31h 26m

$1,145

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Sat 10/4

11:25 am-2:20 am

2 stops51h 25m

Kolkata Netaji S. Chandra

Sat 10/25

3:50 am-11:05 am

2 stops42h 45m

$1,154

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Thu 11/13

11:51 am-10:25 pm

3 stops46h 04m

Kolkata Netaji S. Chandra

Wed 12/17

11:40 pm-6:19 pm

3 stops31h 09m

$1,439

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 1/5

4:20 pm-9:00 am

2 stops28h 10m

Kolkata Netaji S. Chandra

Fri 1/16

9:20 pm-2:35 pm

2 stops29h 45m

$1,455

DenverKolkata

DEN - CCU

DENCCU

Denver Intl

Mon 1/5

7:50 am-10:25 pm

3 stops50h 05m

Kolkata Netaji S. Chandra

Fri 1/16

11:40 pm-6:18 pm

3 stops31h 08m

$1,871

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Kolkata from

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 $988. If you aren’t able to travel during the month of April, then book flights to Kolkata from Colorado 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 Colorado 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 Colorado 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.

Cheap Colorado to Kolkata flight deals and tips

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

Direct flights

None
There are no direct flights from Colorado to Kolkata. There are no popular flight routes from Colorado to Kolkata.
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  • 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
Etihad AirwaysPriceFrom $1,019Free CancellationRating
7.4
1,256 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $1,133Free CancellationRating
7.4
3,626 reviews
Search Qatar Airways flights
LufthansaPriceFrom $1,322Free CancellationRating
6.8
7,421 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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