$764+ 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CCU
Mar 6 — Mar 131
1 adult, Economy
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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 February 4, 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 February 4, 2026.
This oojo deal was found by Cheapflights users on 2/1. 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.
Sat 3/710:59 pm
DEN
- CCU
2 stops29h 21m
Air India
Sat 4/115:30 pm
CCU
- DEN
2 stops41h 02m
Air India
Deal found 2/1![Air India logo]()
$1,180
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:05 pm
DEN
- CCU
2 stops29h 05m
Lufthansa
Mon 9/710:00 pm
CCU
- DEN
2 stops29h 10m
Lufthansa
Deal found 2/2![Lufthansa logo]()
$1,316
This BusinessClass deal was found by Cheapflights users on 2/2. 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.
Sat 5/234:05 pm
DEN
- CCU
2 stops29h 05m
Lufthansa
Sat 9/510:00 pm
CCU
- DEN
2 stops29h 10m
Lufthansa
Deal found 2/2![Lufthansa logo]()
$1,328
This Qatar Airways deal was found by Cheapflights users on 2/3. 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.
Sun 2/159:10 am
DEN
- CCU
2 stops28h 15m
Qatar Airways
Wed 2/183:25 am
CCU
- DEN
2 stops46h 24m
Qatar Airways
Deal found 2/3![Qatar Airways logo]()
$1,406
This Singapore Airlines deal was found by Cheapflights users on 2/2. 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 5/116:30 pm
DEN
- CCU
2 stops40h 15m
Multiple Airlines
Mon 9/711:30 pm
CCU
- DEN
3 stops47h 30m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,454
This KAYAK deal was found by Cheapflights users on 2/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:05 pm
DEN
- CCU
3 stops64h 00m
Singapore Airlines
Mon 9/711:30 pm
CCU
- DEN
2 stops55h 30m
Singapore Airlines
Deal found 2/3![Singapore Airlines logo]()
$1,531
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:30 pm
DEN
- CCU
3 stops51h 50m
Multiple Airlines
Sat 4/114:00 am
CCU
- DEN
2 stops29h 47m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,603
This Singapore Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 5/231:15 pm
DEN
- CCU
2 stops45h 50m
Multiple Airlines
Sat 9/511:40 pm
CCU
- DEN
3 stops34h 48m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$1,727
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 February 4, 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 February 4, 2026.
This oojo deal was found by Cheapflights users on 2/1. 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.
Sat 3/710:59 pm
DEN
- CCU
2 stops29h 21m
Air India
Sat 4/115:30 pm
CCU
- DEN
2 stops41h 02m
Air India
Deal found 2/1![Air India logo]()
$1,180
This KAYAK deal was found by Cheapflights users on 2/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/114:05 pm
DEN
- CCU
2 stops29h 05m
Lufthansa
Mon 9/710:00 pm
CCU
- DEN
2 stops29h 10m
Lufthansa
Deal found 2/2![Lufthansa logo]()
$1,316
This Qatar Airways deal was found by Cheapflights users on 2/3. 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.
Sun 2/159:10 am
DEN
- CCU
2 stops28h 15m
Qatar Airways
Wed 2/183:25 am
CCU
- DEN
2 stops46h 24m
Qatar Airways
Deal found 2/3![Qatar Airways logo]()
$1,406
This Singapore Airlines deal was found by Cheapflights users on 2/2. 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 5/116:30 pm
DEN
- CCU
2 stops40h 15m
Multiple Airlines
Mon 9/711:30 pm
CCU
- DEN
3 stops47h 30m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$1,454
This KAYAK deal was found by Cheapflights users on 2/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:05 pm
DEN
- CCU
3 stops64h 00m
Singapore Airlines
Mon 9/711:30 pm
CCU
- DEN
2 stops55h 30m
Singapore Airlines
Deal found 2/3![Singapore Airlines logo]()
$1,531
This BusinessClass deal was found by Cheapflights users on 2/2. 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.
Sat 5/234:05 pm
DEN
- CCU
2 stops29h 05m
Lufthansa
Sat 9/510:00 pm
CCU
- DEN
2 stops29h 10m
Lufthansa
Deal found 2/2![Lufthansa logo]()
$1,328
This Singapore Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 5/231:15 pm
DEN
- CCU
2 stops45h 50m
Multiple Airlines
Sat 9/511:40 pm
CCU
- DEN
3 stops34h 48m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$1,727
Last-minute flights from Denver to KolkataDiscover last-minute flight deals from Denver to Kolkata. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Kolkata. Data last updated February 4, 2026 and is based on user searches.
This Qatar Airways deal was found by Cheapflights users on 2/3. 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.
Sun 2/159:10 am
DEN
- CCU
2 stops28h 15m
Qatar Airways
Wed 2/183:25 am
CCU
- DEN
2 stops46h 24m
Qatar Airways
Deal found 2/3![Qatar Airways logo]()
$1,406
This Singapore Airlines deal was found by Cheapflights users on 2/1. 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.
Sun 2/157:49 am
DEN
- CCU
2 stops50h 06m
Singapore Airlines
Thu 2/1911:40 pm
CCU
- DEN
3 stops59h 49m
Singapore Airlines
Deal found 2/1![Singapore Airlines logo]()
$2,914
This oojo deal was found by Cheapflights users on 2/1. 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.
Sat 2/287:00 am
DEN
- CCU
2 stops30h 25m
Qatar Airways
Tue 3/103:25 am
CCU
- DEN
2 stops28h 10m
Qatar Airways
Deal found 2/1![Qatar Airways logo]()
$5,604
This oojo deal was found by Cheapflights users on 2/2. 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.
Sat 2/2812:00 pm
DEN
- CCU
2 stops45h 40m
Air India
Wed 3/115:30 pm
CCU
- DEN
2 stops40h 59m
Air India
Deal found 2/2![Air India logo]()
$6,633
This BusinessClass deal was found by Cheapflights users on 2/2. 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.
Sat 2/286:16 pm
DEN
- CCU
2 stops39h 39m
Multiple Airlines
Wed 3/1111:40 pm
CCU
- DEN
3 stops30h 12m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$10,993
This oojo deal was found by Cheapflights users on 2/1. 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.
Sat 3/710:59 pm
DEN
- CCU
2 stops29h 21m
Air India
Sat 4/115:30 pm
CCU
- DEN
2 stops41h 02m
Air India
Deal found 2/1![Air India logo]()
$1,180
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:30 pm
DEN
- CCU
3 stops51h 50m
Multiple Airlines
Sat 4/114:00 am
CCU
- DEN
2 stops29h 47m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$1,603
This Gurufare deal was found by Cheapflights users on 2/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/711:54 am
DEN
- CCU
3 stops46h 01m
Singapore Airlines
Sat 4/1111:40 pm
CCU
- DEN
3 stops58h 52m
Singapore Airlines
Deal found 2/1![Singapore Airlines logo]()
$3,053
This FlightHub deal was found by Cheapflights users on 2/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/261:25 pm
DEN
- CCU
2 stops27h 20m
Multiple Airlines
Tue 3/319:00 pm
CCU
- DEN
2 stops28h 50m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$2,305
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 February 4, 2026.
Search for one-way flight options from Denver to Kolkata. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
This EaseMyTrip deal was found by Cheapflights users on 2/3. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2011:59 pm
DEN
- CCU
2 stops29h 21m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$764
This Gotogate deal was found by Cheapflights users on 2/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2011:22 am
DEN
- CCU
3 stops33h 48m
Lufthansa
Deal found 2/3![Lufthansa logo]()
$822
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 February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,180 (oojo) |
One-way from | $764 (EaseMyTrip) |
Popular in | December |
Cheapest in | April |
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 February 4, 2026.
Use the filters below to find and compare flights from Denver to Kolkata that are best for you.
Fly from
Denver
Fly to
Kolkata
Route
Depart
Return
Price
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Sat 3/7
10:59 pm-4:50 pm
2 stops29h 21m
Kolkata Netaji S. Chandra
Sat 4/11
5:30 pm-11:02 pm
2 stops41h 02m
$1,180
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Mon 5/11
4:05 pm-8:40 am
2 stops29h 05m
Kolkata Netaji S. Chandra
Mon 9/7
10:00 pm-3:40 pm
2 stops29h 10m
$1,316
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Sat 5/23
4:05 pm-8:40 am
2 stops29h 05m
Kolkata Netaji S. Chandra
Sat 9/5
10:00 pm-3:40 pm
2 stops29h 10m
$1,328
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Sun 2/15
9:10 am-1:55 am
2 stops28h 15m
Kolkata Netaji S. Chandra
Wed 2/18
3:25 am-1:19 pm
2 stops46h 24m
$1,406
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Mon 5/11
6:30 pm-10:15 pm
2 stops40h 15m
Kolkata Netaji S. Chandra
Mon 9/7
11:30 pm-11:30 am
3 stops47h 30m
$1,454
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Mon 5/11
7:05 pm-10:35 pm
3 stops64h 00m
Kolkata Netaji S. Chandra
Mon 9/7
11:30 pm-7:30 pm
2 stops55h 30m
$1,531
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Sat 5/23
1:15 pm-10:35 pm
2 stops45h 50m
Kolkata Netaji S. Chandra
Sat 9/5
11:40 pm-10:58 pm
3 stops34h 48m
$1,727
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Fri 3/20
11:59 pm-4:50 pm
2 stops29h 21m
$764
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Fri 3/20
11:22 am-8:40 am
3 stops33h 48m
$822
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 February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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 February 4, 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.
Food
7.3
Overall
7.4
Boarding
7.5
Comfort
7.4
Crew
7.9
Entertainment
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Food
7.3
Overall
7.4
Boarding
7.5
Comfort
7.4
Crew
7.9
Entertainment
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Food
7.3
Overall
7.4
Boarding
7.5
Comfort
7.4
Crew
7.9
Entertainment
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
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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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 February 4, 2026.
Denver and Kolkata flights
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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 February 4, 2026.
Popular flight searches
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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 February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,133 | Average$1,331 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,297 | Average$1,452 | FlexibilityNo cancel fee | On-time76% |