$1,185+ Cheap flights from Denver (DEN) to Kolkata (CCU)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CCU
Oct 15 — Oct 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Denver to Kolkata with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Denver to Kolkata
Cheapest
Best
Last-minute
One-way
Cheapest flights from Denver to KolkataExplore the most affordable flight options available from Denver to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Denver to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:15 pm -
2 stops26h 10m
Tue 11/33:25 am -
2 stops31h 59m
Deal found 9/12![Qatar Airways logo]()
$1,185
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:15 pm -
2 stops47h 25m
Wed 10/283:25 am -
2 stops32h 41m
Deal found 9/13![Qatar Airways logo]()
$1,211
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:15 pm -
2 stops47h 25m
Thu 10/293:25 am -
2 stops32h 41m
Deal found 9/12![Qatar Airways logo]()
$1,240
This Qatar Airways deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:23 pm -
2 stops26h 37m
Mon 9/214:00 am -
2 stops31h 47m
Deal found 9/10![Qatar Airways logo]()
$1,246
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:43 pm -
2 stops43h 57m
Mon 11/23:25 am -
2 stops28h 58m
Deal found 9/11![Qatar Airways logo]()
$1,285
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:15 pm -
2 stops47h 25m
Thu 10/153:40 am -
2 stops32h 26m
Deal found 9/14![Qatar Airways logo]()
$1,299
This Orbitz deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:30 pm -
2 stops28h 50m
Wed 1/139:30 pm -
2 stops56h 25m
Deal found 9/12![Turkish Airlines logo]()
$1,546
This Mytrip deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:40 pm -
3 stops27h 30m
Wed 11/49:00 pm -
3 stops34h 29m
Deal found 9/12![Multiple Airlines logo]()
$1,802
This Orbitz deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/104:15 pm -
2 stops39h 25m
Wed 1/209:30 pm -
2 stops56h 25m
Deal found 9/10![Multiple Airlines logo]()
$1,865
Best flights from Denver to KolkataDiscover carefully curated flight deals from Denver to Kolkata that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Denver to Kolkata that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:15 pm -
2 stops26h 10m
Tue 11/33:25 am -
2 stops31h 59m
Deal found 9/12![Qatar Airways logo]()
$1,185
This Singapore Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/712:22 pm -
2 stops45h 33m
Wed 1/1311:40 pm -
3 stops35h 50m
Deal found 9/12![Multiple Airlines logo]()
$2,465
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:43 pm -
2 stops43h 57m
Mon 11/23:25 am -
2 stops28h 58m
Deal found 9/11![Qatar Airways logo]()
$1,285
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:15 pm -
2 stops47h 25m
Thu 10/153:40 am -
2 stops32h 26m
Deal found 9/14![Qatar Airways logo]()
$1,299
This Singapore Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:00 am -
3 stops51h 05m
Tue 11/311:20 pm -
2 stops55h 06m
Deal found 9/12![Singapore Airlines logo]()
$2,952
This Emirates deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:01 pm -
2 stops40h 19m
Wed 11/41:25 am -
2 stops30h 50m
Deal found 9/13![Emirates logo]()
$4,441
This Singapore Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:00 am -
3 stops51h 05m
Thu 10/2911:20 pm -
3 stops34h 50m
Deal found 9/13![Multiple Airlines logo]()
$3,284
This Singapore Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:00 am -
3 stops51h 05m
Tue 11/311:20 pm -
3 stops37h 03m
Deal found 9/11![Multiple Airlines logo]()
$3,940
This Singapore Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:15 pm -
3 stops67h 50m
Fri 10/3011:40 pm -
3 stops33h 42m
Deal found 9/12![Multiple Airlines logo]()
$4,124
Last-minute flights from Denver to KolkataDiscover last-minute flight deals from Denver to Kolkata. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Kolkata. Data last updated September 15, 2026 and is based on user searches.
This Qatar Airways deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:23 pm -
2 stops26h 37m
Mon 9/214:00 am -
2 stops31h 47m
Deal found 9/10![Qatar Airways logo]()
$1,246
This oojo deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:15 pm -
2 stops47h 25m
Thu 10/153:40 am -
2 stops32h 26m
Deal found 9/14![Qatar Airways logo]()
$1,299
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:25 am -
3 stops29h 55m
Fri 10/166:00 pm -
3 stops35h 55m
Deal found 9/14![Multiple Airlines logo]()
$2,186
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:43 pm -
2 stops43h 57m
Mon 11/23:25 am -
2 stops28h 58m
Deal found 9/11![Qatar Airways logo]()
$1,285
This oojo deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:15 pm -
2 stops47h 25m
Wed 10/283:25 am -
2 stops32h 41m
Deal found 9/13![Qatar Airways logo]()
$1,211
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:15 pm -
2 stops47h 25m
Thu 10/293:25 am -
2 stops32h 41m
Deal found 9/12![Qatar Airways logo]()
$1,240
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:15 pm -
2 stops26h 10m
Tue 11/33:25 am -
2 stops31h 59m
Deal found 9/12![Qatar Airways logo]()
$1,185
This Mytrip deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:40 pm -
3 stops27h 30m
Wed 11/49:00 pm -
3 stops34h 29m
Deal found 9/12![Multiple Airlines logo]()
$1,802
One-way flights from Denver to KolkataSearch for one-way flight options from Denver to Kolkata. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Denver to Kolkata. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:30 pm -
3 stops43h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$1,746
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:15 pm -
3 stops46h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$1,829
Find flight deals from Denver to Kolkata
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Kolkata (CCU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,185 (oojo) |
Popular in | December |
Cheapest in | October |
Average price | $1,297 |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 15, 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
Cheapest round-trip
DenverKolkata
DEN Denver Intl - CCU Kolkata Netaji S. Chandra
DENCCU
Denver Intl
Wed 10/28
12:15 pm-1:55 am
2 stops26h 10m
Kolkata Netaji S. Chandra
Tue 11/3
3:25 am-10:54 pm
2 stops31h 59m
$1,185
DenverKolkata
DEN Denver Intl - CCU Kolkata Netaji S. Chandra
DENCCU
Denver Intl
Mon 10/12
6:43 pm-2:10 am
2 stops43h 57m
Kolkata Netaji S. Chandra
Mon 11/2
3:25 am-7:53 pm
2 stops28h 58m
$1,285
DenverKolkata
DEN Denver Intl - CCU Kolkata Netaji S. Chandra
DENCCU
Denver Intl
Sun 10/4
3:15 pm-2:10 am
2 stops47h 25m
Kolkata Netaji S. Chandra
Thu 10/15
3:40 am-12:36 am
2 stops32h 26m
$1,299
Quickest round-trip
DenverKolkata
DEN Denver Intl - CCU Kolkata Netaji S. Chandra
DENCCU
Denver Intl
Mon 10/5
12:15 pm-10:30 pm
3 stops46h 45m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-11:30 am
Nonstop0h 00m
$1,829
DenverKolkata
DEN Denver Intl - CCU Kolkata Netaji S. Chandra
DENCCU
Denver Intl
Mon 12/7
12:22 pm-10:25 pm
2 stops45h 33m
Kolkata Netaji S. Chandra
Wed 1/13
11:40 pm-11:00 pm
3 stops35h 50m
$2,465
DenverKolkata
DEN Denver Intl - CCU Kolkata Netaji S. Chandra
DENCCU
Denver Intl
Mon 10/12
8:00 am-10:35 pm
3 stops51h 05m
Kolkata Netaji S. Chandra
Tue 11/3
11:20 pm-5:56 pm
2 stops55h 06m
$2,952
DenverKolkata
DEN Denver Intl - CCU Kolkata Netaji S. Chandra
DENCCU
Denver Intl
Thu 10/15
8:00 am-10:35 pm
3 stops51h 05m
Kolkata Netaji S. Chandra
Thu 10/29
11:20 pm-10:40 pm
3 stops34h 50m
$3,284
DenverKolkata
DEN Denver Intl - CCU Kolkata Netaji S. Chandra
DENCCU
Denver Intl
Mon 10/12
8:00 am-10:35 pm
3 stops51h 05m
Kolkata Netaji S. Chandra
Tue 11/3
11:20 pm-11:53 pm
3 stops37h 03m
$3,940
DenverKolkata
DEN Denver Intl - CCU Kolkata Netaji S. Chandra
DENCCU
Denver Intl
Fri 10/16
3:15 pm-10:35 pm
3 stops67h 50m
Kolkata Netaji S. Chandra
Fri 10/30
11:40 pm-9:52 pm
3 stops33h 42m
$4,124
DenverKolkata
DEN Denver Intl - CCU Kolkata Netaji S. Chandra
DENCCU
Denver Intl
Thu 10/29
3:01 pm-6:50 pm
2 stops40h 19m
Kolkata Netaji S. Chandra
Wed 11/4
1:25 am-7:45 pm
2 stops30h 50m
$4,441
Sorted by cheapest first
Compare providers for flights from Denver to Kolkata
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Kolkata in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Denver-Kolkata flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Kolkata flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Kolkata flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Denver-Kolkata flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Kolkata flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Denver to Kolkata
Have a flexible travel schedule? Discover the best time to fly to Kolkata from Denver with our price prediction graph.
DEN-CCU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Kolkata
Get insights into the airlines that provide service to Kolkata. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kolkata. Reviews last updated September 15, 2026.
Peruse reviews from past customers who have flown with Qatar Airways and Lufthansa from Denver to Kolkata to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.3
Food
7.3
Comfort
7.3
Boarding
7.5
Overall
7.4
Crew
7.9
Reviews
1 / 20
4.0
OkayJanak,Oct 2023
DOH - AMD
Entertainment
7.3
Food
7.3
Comfort
7.3
Boarding
7.5
Overall
7.4
Crew
7.9
Reviews
1 / 20
4.0
OkayJanak,Oct 2023
DOH - AMD
Entertainment
7.3
Food
7.3
Comfort
7.3
Boarding
7.5
Overall
7.4
Crew
7.9
Reviews
1 / 20
4.0
OkayJanak,Oct 2023
DOH - AMD
Related info for your journey
Find useful and relevant information for your journey from Denver to Kolkata. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Flights by cabin class
Kolkata flight routes
Other flight options
Other flights from Denver
Popular flights
Complete your trip
Complete your trip to Kolkata by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Denver to Kolkata by cabin class
Find flights from Denver to Kolkata, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Kolkata
Explore flights to Kolkata departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Denver and Kolkata flights
Browse other Denver and Kolkata flight options. Last updated on September 15, 2026.
Other flights from Denver
Browse through other flights departing from Denver. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Denver to Kolkata
Discover the top 2 airlines that operate flights from Denver to Kolkata. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,137 | Average$1,316 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,276 | Average$1,382 | FlexibilityNo cancel fee | On-time76% |