$913+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CCU
May 18 — May 251
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
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 April 18, 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 April 18, 2026.
This Etihad Airways deal was found by Cheapflights users on 4/14. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:59 pm
DEN
- CCU
2 stops39h 41m
Multiple Airlines
Wed 5/139:30 pm
CCU
- DEN
2 stops36h 59m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$913
This FlightHub deal was found by Cheapflights users on 4/15. 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.
Wed 4/1512:24 pm
DEN
- CCU
2 stops26h 36m
Multiple Airlines
Wed 4/294:00 am
CCU
- DEN
2 stops30h 34m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$1,247
This Qatar Airways deal was found by Cheapflights users on 4/15. 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.
Tue 5/512:24 pm
DEN
- CCU
2 stops26h 36m
Qatar Airways
Sat 5/94:00 am
CCU
- DEN
2 stops30h 15m
Qatar Airways
Deal found 4/15![Qatar Airways logo]()
$1,256
This Ovago deal was found by Cheapflights users on 4/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:44 pm
DEN
- CCU
2 stops45h 16m
Qatar Airways
Wed 4/294:00 am
CCU
- DEN
2 stops31h 09m
Qatar Airways
Deal found 4/14![Qatar Airways logo]()
$1,285
This Qatar Airways deal was found by Cheapflights users on 4/17. 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.
Fri 5/17:36 am
DEN
- CCU
2 stops31h 24m
Qatar Airways
Mon 5/44:00 am
CCU
- DEN
2 stops31h 29m
Qatar Airways
Deal found 4/17![Qatar Airways logo]()
$1,356
This FlightHub deal was found by Cheapflights users on 4/15. 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.
Mon 5/1112:24 pm
DEN
- CCU
2 stops26h 36m
Qatar Airways
Mon 9/74:00 am
CCU
- DEN
2 stops30h 12m
Qatar Airways
Deal found 4/15![Qatar Airways logo]()
$1,455
This Orbitz deal was found by Cheapflights users on 4/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:10 pm
DEN
- CCU
2 stops57h 40m
Multiple Airlines
Sun 5/314:10 am
CCU
- DEN
2 stops54h 06m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,541
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 April 18, 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 April 18, 2026.
This Qatar Airways deal was found by Cheapflights users on 4/14. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/510:37 am
DEN
- CCU
2 stops28h 23m
Qatar Airways
Sat 5/94:00 am
CCU
- DEN
2 stops30h 15m
Qatar Airways
Deal found 4/14![Qatar Airways logo]()
$1,256
This FlightHub deal was found by Cheapflights users on 4/17. 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.
Tue 6/1611:59 pm
DEN
- CCU
2 stops35h 51m
Multiple Airlines
Wed 7/154:10 pm
CCU
- DEN
2 stops42h 19m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,576
This KAYAK deal was found by Cheapflights users on 4/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:00 pm
DEN
- CCU
3 stops47h 30m
British Airways
Mon 9/75:20 am
CCU
- DEN
2 stops46h 40m
British Airways
Deal found 4/14![British Airways logo]()
$2,008
This Qatar Airways deal was found by Cheapflights users on 4/17. 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.
Fri 5/17:36 am
DEN
- CCU
2 stops31h 24m
Qatar Airways
Mon 5/44:00 am
CCU
- DEN
2 stops31h 29m
Qatar Airways
Deal found 4/17![Qatar Airways logo]()
$1,356
This BusinessClass deal was found by Cheapflights users on 4/13. 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.
Sun 5/244:05 pm
DEN
- CCU
2 stops29h 15m
Multiple Airlines
Sun 5/315:40 pm
CCU
- DEN
2 stops34h 10m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,578
This Indian Eagle deal was found by Cheapflights users on 4/13. 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.
Tue 5/194:05 pm
DEN
- CCU
2 stops25h 15m
Multiple Airlines
Thu 5/287:15 pm
CCU
- DEN
2 stops30h 35m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,719
This oojo deal was found by Cheapflights users on 4/14. 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 6/1411:59 pm
DEN
- CCU
2 stops39h 01m
Qatar Airways
Tue 6/304:00 am
CCU
- DEN
2 stops30h 34m
Qatar Airways
Deal found 4/14![Qatar Airways logo]()
$1,910
This Etihad Airways deal was found by Cheapflights users on 4/13. 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.
Tue 6/96:55 am
DEN
- CCU
2 stops26h 05m
Multiple Airlines
Tue 6/304:10 am
CCU
- DEN
2 stops31h 26m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,815
This Etihad Airways deal was found by Cheapflights users on 4/15. 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.
Sat 5/306:55 am
DEN
- CCU
2 stops26h 05m
Multiple Airlines
Sat 6/64:10 am
CCU
- DEN
2 stops28h 55m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$1,917
Last-minute flights from Denver to KolkataDiscover last-minute flight deals from Denver to Kolkata. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Kolkata. Data last updated April 18, 2026 and is based on user searches.
This Etihad Airways deal was found by Cheapflights users on 4/14. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:59 pm
DEN
- CCU
2 stops39h 41m
Multiple Airlines
Wed 5/139:30 pm
CCU
- DEN
2 stops36h 59m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$913
This Qatar Airways deal was found by Cheapflights users on 4/17. 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.
Fri 5/17:36 am
DEN
- CCU
2 stops31h 24m
Qatar Airways
Mon 5/44:00 am
CCU
- DEN
2 stops31h 29m
Qatar Airways
Deal found 4/17![Qatar Airways logo]()
$1,356
This Qatar Airways deal was found by Cheapflights users on 4/15. 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.
Tue 5/512:24 pm
DEN
- CCU
2 stops26h 36m
Qatar Airways
Sat 5/94:00 am
CCU
- DEN
2 stops30h 15m
Qatar Airways
Deal found 4/15![Qatar Airways logo]()
$1,256
This FlightHub deal was found by Cheapflights users on 4/15. 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.
Mon 5/1112:24 pm
DEN
- CCU
2 stops26h 36m
Qatar Airways
Mon 9/74:00 am
CCU
- DEN
2 stops30h 12m
Qatar Airways
Deal found 4/15![Qatar Airways logo]()
$1,455
This Orbitz deal was found by Cheapflights users on 4/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:10 pm
DEN
- CCU
2 stops57h 40m
Multiple Airlines
Sun 5/314:10 am
CCU
- DEN
2 stops54h 06m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,541
This BusinessClass deal was found by Cheapflights users on 4/13. 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.
Sun 5/244:05 pm
DEN
- CCU
2 stops29h 15m
Multiple Airlines
Tue 6/25:40 pm
CCU
- DEN
2 stops34h 05m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,578
This Indian Eagle deal was found by Cheapflights users on 4/13. 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.
Mon 5/254:05 pm
DEN
- CCU
2 stops25h 15m
Multiple Airlines
Mon 6/17:15 pm
CCU
- DEN
2 stops30h 35m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$1,564
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 April 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,256 (Qatar Airways) |
Popular in | December |
Cheapest in | October |
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 April 18, 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
Tue 5/5
10:37 am-2:30 am
2 stops28h 23m
Kolkata Netaji S. Chandra
Sat 5/9
4:00 am-10:45 pm
2 stops30h 15m
$1,256
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Fri 5/1
7:36 am-2:30 am
2 stops31h 24m
Kolkata Netaji S. Chandra
Mon 5/4
4:00 am-11:59 pm
2 stops31h 29m
$1,356
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Tue 6/16
11:59 pm-11:20 pm
2 stops35h 51m
Kolkata Netaji S. Chandra
Wed 7/15
4:10 pm-10:59 pm
2 stops42h 19m
$1,576
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Sun 5/24
4:05 pm-8:50 am
2 stops29h 15m
Kolkata Netaji S. Chandra
Sun 5/31
5:40 pm-4:20 pm
2 stops34h 10m
$1,578
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Tue 5/19
4:05 pm-4:50 am
2 stops25h 15m
Kolkata Netaji S. Chandra
Thu 5/28
7:15 pm-2:20 pm
2 stops30h 35m
$1,719
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Tue 6/9
6:55 am-8:30 pm
2 stops26h 05m
Kolkata Netaji S. Chandra
Tue 6/30
4:10 am-12:06 am
2 stops31h 26m
$1,815
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Sun 6/14
11:59 pm-2:30 am
2 stops39h 01m
Kolkata Netaji S. Chandra
Tue 6/30
4:00 am-11:04 pm
2 stops30h 34m
$1,910
Quickest round-trip
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Sat 5/30
6:55 am-8:30 pm
2 stops26h 05m
Kolkata Netaji S. Chandra
Sat 6/6
4:10 am-9:35 pm
2 stops28h 55m
$1,917
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Mon 5/11
8:00 pm-7:00 am
3 stops47h 30m
Kolkata Netaji S. Chandra
Mon 9/7
5:20 am-4:30 pm
2 stops46h 40m
$2,008
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 April.
| 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 April 18, 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
Entertainment
7.3
Overall
7.4
Comfort
7.3
Food
7.3
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Boarding
7.5
Crew
7.9
Entertainment
7.3
Overall
7.4
Comfort
7.3
Food
7.3
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Boarding
7.5
Crew
7.9
Entertainment
7.3
Overall
7.4
Comfort
7.3
Food
7.3
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.
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 April 18, 2026.
Denver and Kolkata flights
Browse other Denver and Kolkata flight options. Last updated on April 18, 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 April 18, 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 April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,133 | Average$1,345 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,276 | Average$1,382 | FlexibilityNo cancel fee | On-time76% |