Earn point on your loyalty program!arrow arc left

Cheap flights from Denver (DEN) to Calcutta (CCU)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Denver (DEN) to Calcutta (CCU)

How to find the cheapest flight from Denver (DEN) to Calcutta (CCU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Denver (DEN) to Calcutta (CCU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Denver (DEN) to Calcutta (CCU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Denver to Calcutta in December 2025 , January 2026

30 Dec - 24 Jan $ 1,379.00
DEN
Denver
Hawaiian Airlines
2 STOPS
CCU
Calcutta
CCU
Calcutta
Hawaiian Airlines
3 STOPS
DEN
Denver
Pick dates
24 Dec - 08 Jan $ 3,816.00
DEN
Denver
Qatar Airways
2 STOPS
CCU
Calcutta
CCU
Calcutta
Qatar Airways
2 STOPS
DEN
Denver
Pick dates
17 Dec - 06 Jan $ 6,499.00
DEN
Denver
Alaska Airlines
2 STOPS
CCU
Calcutta
CCU
Calcutta
Alaska Airlines
2 STOPS
DEN
Denver
Pick dates

Last minute flights from Denver to Calcutta

29 Dec - 01 Jan $ 1,937.00
DEN
Denver
Frontier Airlines
2 STOPS
CCU
Calcutta
CCU
Calcutta
Frontier Airlines
3 STOPS
DEN
Denver
Pick dates
29 Dec - 01 Jan $ 1,950.00
DEN
Denver
Frontier Airlines
2 STOPS
CCU
Calcutta
CCU
Calcutta
Frontier Airlines
3 STOPS
DEN
Denver
Pick dates
29 Dec - 01 Jan $ 1,967.00
DEN
Denver
Frontier Airlines
2 STOPS
CCU
Calcutta
CCU
Calcutta
Frontier Airlines
3 STOPS
DEN
Denver
Pick dates

One-way flights to Calcutta from Denver

4:20 PM - 2:00 AM
IndiGo Airlines
2 Stops
23h 45m
DEN - CCU
$ 845
Kiwi
Pick dates
4:55 PM - 6:45 PM
Qatar Airways
2 Stops
44h 30m
DEN - CCU
$ 1,158
Kiwi
Pick dates
12:32 PM - 6:45 PM
Qatar Airways
2 Stops
24h 53m
DEN - CCU
$ 1,265
Kiwi
Pick dates

How to find the cheapest flight from Denver (DEN) to Calcutta (CCU)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Denver (DEN) to Calcutta (CCU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Denver (DEN) to Calcutta (CCU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.