$707+ Cheap flights from Denver (DEN) to Kolkata (CCU)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CCU
Aug 13 — Aug 201
Round-trip
1 adult, Economy
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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
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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 July 14, 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 July 14, 2026.
This Etihad Airways deal was found by Cheapflights users on 7/13. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:16 am
DEN
- CCU
2 stops32h 09m
Multiple Airlines
Fri 9/259:30 pm
CCU
- DEN
2 stops28h 18m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$1,031
This Qatar Airways deal was found by Cheapflights users on 7/13. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:05 pm
DEN
- CCU
2 stops25h 55m
Qatar Airways
Mon 9/214:00 am
CCU
- DEN
2 stops27h 16m
Qatar Airways
Deal found 7/13![Qatar Airways logo]()
$1,218
This Qatar Airways deal was found by Cheapflights users on 7/9. 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 9/101:05 pm
DEN
- CCU
2 stops25h 55m
Qatar Airways
Mon 9/144:00 am
CCU
- DEN
2 stops27h 08m
Qatar Airways
Deal found 7/9![Qatar Airways logo]()
$1,232
This oojo deal was found by Cheapflights users on 7/14. 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.
Tue 8/2512:50 pm
DEN
- CCU
2 stops26h 10m
Qatar Airways
Mon 8/314:00 am
CCU
- DEN
2 stops30h 34m
Qatar Airways
Deal found 7/14![Qatar Airways logo]()
$1,252
This Indian Eagle deal was found by Cheapflights users on 7/13. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:23 pm
DEN
- CCU
2 stops26h 37m
Qatar Airways
Sat 5/14:00 am
CCU
- DEN
2 stops27h 25m
Qatar Airways
Deal found 7/13![Qatar Airways logo]()
$1,263
This Indian Eagle deal was found by Cheapflights users on 7/11. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:03 am
DEN
- CCU
2 stops28h 22m
Qatar Airways
Tue 12/153:25 am
CCU
- DEN
2 stops32h 10m
Qatar Airways
Deal found 7/11![Qatar Airways logo]()
$1,383
This American Airlines deal was found by Cheapflights users on 7/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:50 pm
DEN
- CCU
2 stops26h 10m
Multiple Airlines
Sun 8/164:00 am
CCU
- DEN
2 stops31h 27m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$1,388
This American Airlines deal was found by Cheapflights users on 7/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:11 pm
DEN
- CCU
2 stops26h 49m
Multiple Airlines
Sat 7/254:00 am
CCU
- DEN
2 stops31h 47m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$1,511
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 July 14, 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 July 14, 2026.
This Qatar Airways deal was found by Cheapflights users on 7/12. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:05 pm
DEN
- CCU
2 stops25h 55m
Qatar Airways
Mon 9/214:00 am
CCU
- DEN
2 stops27h 16m
Qatar Airways
Deal found 7/12![Qatar Airways logo]()
$1,218
This Singapore Airlines deal was found by Cheapflights users on 7/13. 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 10/17:18 pm
DEN
- CCU
2 stops39h 47m
Multiple Airlines
Sat 5/111:40 pm
CCU
- DEN
3 stops34h 50m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$1,893
This Singapore Airlines deal was found by Cheapflights users on 7/9. 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 9/105:45 pm
DEN
- CCU
2 stops41h 20m
Singapore Airlines
Mon 9/1411:30 pm
CCU
- DEN
3 stops31h 45m
Singapore Airlines
Deal found 7/9![Singapore Airlines logo]()
$1,937
This Qatar Airways deal was found by Cheapflights users on 7/9. 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 9/101:05 pm
DEN
- CCU
2 stops25h 55m
Qatar Airways
Mon 9/144:00 am
CCU
- DEN
2 stops27h 08m
Qatar Airways
Deal found 7/9![Qatar Airways logo]()
$1,232
This oojo deal was found by Cheapflights users on 7/14. 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.
Tue 8/2512:50 pm
DEN
- CCU
2 stops26h 10m
Qatar Airways
Mon 8/314:00 am
CCU
- DEN
2 stops30h 34m
Qatar Airways
Deal found 7/14![Qatar Airways logo]()
$1,252
This Singapore Airlines deal was found by Cheapflights users on 7/14. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:55 pm
DEN
- CCU
2 stops39h 10m
Multiple Airlines
Mon 8/3111:30 pm
CCU
- DEN
3 stops35h 52m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$1,966
This Qatar Airways deal was found by Cheapflights users on 7/11. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1012:09 pm
DEN
- CCU
2 stops25h 16m
Qatar Airways
Sat 1/23:25 am
CCU
- DEN
2 stops28h 46m
Qatar Airways
Deal found 7/11![Qatar Airways logo]()
$2,369
This Singapore Airlines deal was found by Cheapflights users on 7/13. 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 9/105:45 pm
DEN
- CCU
2 stops41h 20m
Multiple Airlines
Fri 9/2511:30 pm
CCU
- DEN
3 stops33h 50m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$3,799
Last-minute flights from Denver to KolkataDiscover last-minute flight deals from Denver to Kolkata. Data last updated July 14, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Kolkata. Data last updated July 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:11 pm
DEN
- CCU
2 stops26h 49m
Multiple Airlines
Sat 7/254:00 am
CCU
- DEN
2 stops31h 47m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$1,511
This American Airlines deal was found by Cheapflights users on 7/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:50 pm
DEN
- CCU
2 stops26h 10m
Multiple Airlines
Sun 8/164:00 am
CCU
- DEN
2 stops31h 27m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$1,388
This BusinessClass deal was found by Cheapflights users on 7/13. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:40 pm
DEN
- CCU
2 stops48h 50m
British Airways
Wed 8/199:40 pm
CCU
- DEN
2 stops54h 20m
British Airways
Deal found 7/13![British Airways logo]()
$5,410
This oojo deal was found by Cheapflights users on 7/14. 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.
Tue 8/2512:50 pm
DEN
- CCU
2 stops26h 10m
Qatar Airways
Mon 8/314:00 am
CCU
- DEN
2 stops30h 34m
Qatar Airways
Deal found 7/14![Qatar Airways logo]()
$1,252
This Singapore Airlines deal was found by Cheapflights users on 7/14. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:55 pm
DEN
- CCU
2 stops39h 10m
Multiple Airlines
Mon 8/3111:30 pm
CCU
- DEN
3 stops35h 52m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$1,966
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 July 14, 2026.
Search for one-way flight options from Denver to Kolkata. Find affordable one-way fares based on user searches. Data last updated July 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:40 pm
DEN
- CCU
3 stops37h 00m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$707
This Turkish Airlines deal was found by Cheapflights users on 7/13. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:30 pm
DEN
- CCU
2 stops28h 25m
Turkish Airlines
Deal found 7/13![Turkish Airlines logo]()
$750
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 July 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,031 (Etihad Airways) |
One-way from | $707 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $1,293 |
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 2,558,603 searches. Data last updated July 14, 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 - CCU
DENCCU
Denver Intl
Thu 9/17
1:05 pm-2:30 am
2 stops25h 55m
Kolkata Netaji S. Chandra
Mon 9/21
4:00 am-7:46 pm
2 stops27h 16m
$1,218
Quickest round-trip
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Thu 9/10
1:05 pm-2:30 am
2 stops25h 55m
Kolkata Netaji S. Chandra
Mon 9/14
4:00 am-7:38 pm
2 stops27h 08m
$1,232
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Tue 8/25
12:50 pm-2:30 am
2 stops26h 10m
Kolkata Netaji S. Chandra
Mon 8/31
4:00 am-11:04 pm
2 stops30h 34m
$1,252
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Thu 10/1
7:18 pm-10:35 pm
2 stops39h 47m
Kolkata Netaji S. Chandra
Sat 5/1
11:40 pm-11:00 pm
3 stops34h 50m
$1,893
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Thu 9/10
5:45 pm-10:35 pm
2 stops41h 20m
Kolkata Netaji S. Chandra
Mon 9/14
11:30 pm-7:45 pm
3 stops31h 45m
$1,937
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Tue 8/25
7:55 pm-10:35 pm
2 stops39h 10m
Kolkata Netaji S. Chandra
Mon 8/31
11:30 pm-11:52 pm
3 stops35h 52m
$1,966
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Thu 12/10
12:09 pm-1:55 am
2 stops25h 16m
Kolkata Netaji S. Chandra
Sat 1/2
3:25 am-7:41 pm
2 stops28h 46m
$2,369
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Thu 9/10
5:45 pm-10:35 pm
2 stops41h 20m
Kolkata Netaji S. Chandra
Fri 9/25
11:30 pm-9:50 pm
3 stops33h 50m
$3,799
Cheapest one-way
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Wed 11/25
3:40 pm-5:10 pm
3 stops37h 00m
$707
Quickest one-way
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Wed 11/25
7:30 pm-12:25 pm
2 stops28h 25m
$750
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 July.
| 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 |
- 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 July 14, 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.
Boarding
7.5
Crew
7.9
Overall
7.3
Comfort
7.3
Entertainment
7.3
Food
7.3
Reviews
1 / 20
4.0
OkayJanak,Oct 2023
DOH - AMD
Boarding
7.5
Crew
7.9
Overall
7.3
Comfort
7.3
Entertainment
7.3
Food
7.3
Reviews
1 / 20
4.0
OkayJanak,Oct 2023
DOH - AMD
Boarding
7.5
Crew
7.9
Overall
7.3
Comfort
7.3
Entertainment
7.3
Food
7.3
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.
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Complete your trip
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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 July 14, 2026.
Denver and Kolkata flights
Browse other Denver and Kolkata flight options. Last updated on July 14, 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 July 14, 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 2,558,603 searches. Data last updated July 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,138 | Average$1,316 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,276 | Average$1,382 | FlexibilityNo cancel fee | On-time76% |