$406+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CCU
apr. 11 — apr. 181
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 marts 12, 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 marts 12, 2026.
This Expedia deal was found by Cheapflights users on 3/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 4/2511:59 pm
DEN
- CCU
2 stops39h 31m
Multiple Airlines
lør. 5/24:10 am
CCU
- DEN
2 stops29h 33m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$981
This FlightHub deal was found by Cheapflights users on 3/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 5/1111:59 pm
DEN
- CCU
2 stops29h 21m
Multiple Airlines
man. 9/75:30 pm
CCU
- DEN
2 stops31h 24m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$1,110
This oojo deal was found by Cheapflights users on 3/8. 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.
ons. 3/119:10 am
DEN
- CCU
2 stops29h 15m
Qatar Airways
søn. 3/153:25 am
CCU
- DEN
2 stops30h 42m
Qatar Airways
Deal found 3/8![Qatar Airways logo]()
$1,148
This Orbitz deal was found by Cheapflights users on 3/7. 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.
lør. 3/2810:44 pm
DEN
- CCU
2 stops34h 16m
Multiple Airlines
man. 4/209:30 pm
CCU
- DEN
2 stops37h 04m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$1,156
This oojo deal was found by Cheapflights users on 3/7. 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.
man. 5/1111:59 pm
DEN
- CCU
2 stops29h 21m
Air India
man. 9/75:30 pm
CCU
- DEN
2 stops31h 24m
Air India
Deal found 3/7![Air India logo]()
$1,175
This oojo deal was found by Cheapflights users on 3/8. 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.
ons. 3/119:10 am
DEN
- CCU
2 stops29h 15m
Qatar Airways
lør. 3/283:25 am
CCU
- DEN
2 stops46h 02m
Qatar Airways
Deal found 3/8![Qatar Airways logo]()
$1,189
This Trip.com deal was found by Cheapflights users on 3/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 11/217:20 pm
DEN
- CCU
2 stops37h 50m
Multiple Airlines
man. 11/3010:30 pm
CCU
- DEN
2 stops31h 35m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$1,193
This oojo deal was found by Cheapflights users on 3/8. 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.
tor. 3/197:00 am
DEN
- CCU
2 stops31h 25m
Qatar Airways
søn. 4/264:00 am
CCU
- DEN
2 stops31h 29m
Qatar Airways
Deal found 3/8![Qatar Airways logo]()
$1,201
This oojo deal was found by Cheapflights users on 3/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tor. 3/1212:33 pm
DEN
- CCU
2 stops25h 52m
Qatar Airways
tor. 4/24:00 am
CCU
- DEN
2 stops30h 07m
Qatar Airways
Deal found 3/9![Qatar Airways logo]()
$1,205
This FlightHub deal was found by Cheapflights users on 3/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre. 3/2712:33 pm
DEN
- CCU
2 stops25h 52m
Qatar Airways
tor. 4/94:00 am
CCU
- DEN
2 stops30h 15m
Qatar Airways
Deal found 3/9![Qatar Airways logo]()
$1,241
This Qatar Airways deal was found by Cheapflights users on 3/9. 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.
ons. 4/2912:41 pm
DEN
- CCU
2 stops26h 19m
Qatar Airways
søn. 5/34:00 am
CCU
- DEN
2 stops27h 25m
Qatar Airways
Deal found 3/9![Qatar Airways logo]()
$1,257
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 marts 12, 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 marts 12, 2026.
This Orbitz deal was found by Cheapflights users on 3/7. 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.
lør. 3/2810:44 pm
DEN
- CCU
2 stops34h 16m
Multiple Airlines
man. 4/209:30 pm
CCU
- DEN
2 stops37h 04m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$1,156
This oojo deal was found by Cheapflights users on 3/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 5/1111:59 pm
DEN
- CCU
2 stops37h 06m
Air India
man. 9/77:05 am
CCU
- DEN
2 stops51h 20m
Air India
Deal found 3/9![Air India logo]()
$1,195
This Qatar Airways deal was found by Cheapflights users on 3/7. 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.
ons. 4/2912:25 pm
DEN
- CCU
2 stops26h 35m
Qatar Airways
søn. 5/34:00 am
CCU
- DEN
2 stops27h 33m
Qatar Airways
Deal found 3/7![Qatar Airways logo]()
$1,257
This Singapore Airlines deal was found by Cheapflights users on 3/8. 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.
man. 5/117:05 pm
DEN
- CCU
2 stops39h 40m
Singapore Airlines
man. 9/711:30 pm
CCU
- DEN
3 stops31h 30m
Singapore Airlines
Deal found 3/8![Singapore Airlines logo]()
$2,104
This Singapore Airlines deal was found by Cheapflights users on 3/9. 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.
tor. 4/2312:55 pm
DEN
- CCU
2 stops45h 50m
Multiple Airlines
tor. 4/3011:30 pm
CCU
- DEN
3 stops35h 19m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,833
This Singapore Airlines deal was found by Cheapflights users on 3/7. 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.
man. 5/117:05 pm
DEN
- CCU
2 stops39h 40m
Multiple Airlines
man. 9/711:30 pm
CCU
- DEN
3 stops47h 30m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$1,846
Last-minute flights from Denver to KolkataDiscover last-minute flight deals from Denver to Kolkata. Data last updated marts 12, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Kolkata. Data last updated marts 12, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 3/8. 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.
tor. 3/197:00 am
DEN
- CCU
2 stops31h 25m
Qatar Airways
søn. 4/264:00 am
CCU
- DEN
2 stops31h 29m
Qatar Airways
Deal found 3/8![Qatar Airways logo]()
$1,201
This Gotogate deal was found by Cheapflights users on 3/8. 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.
tor. 3/191:25 pm
DEN
- CCU
2 stops32h 50m
Multiple Airlines
lør. 4/251:10 am
CCU
- DEN
3 stops28h 10m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$3,017
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 marts 12, 2026.
Search for one-way flight options from Denver to Kolkata. Find affordable one-way fares based on user searches. Data last updated marts 12, 2026.
This CheapTickets deal was found by Cheapflights users on 3/10. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 4/259:25 pm
DEN
- CCU
2 stops37h 40m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$406
This Gurufare deal was found by Cheapflights users on 3/9. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tor. 3/197:00 am
DEN
- CCU
2 stops32h 10m
Etihad Airways
Deal found 3/9![Etihad Airways logo]()
$494
This Travelocity deal was found by Cheapflights users on 3/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 3/2811:59 pm
DEN
- CCU
2 stops33h 01m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$545
This oojo deal was found by Cheapflights users on 3/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tor. 3/192:50 pm
DEN
- CCU
2 stops47h 35m
Qatar Airways
Deal found 3/9![Qatar Airways logo]()
$562
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tor. 3/196:00 am
DEN
- CCU
3 stops38h 55m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$736
This Gotogate deal was found by Cheapflights users on 3/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 4/251:25 pm
DEN
- CCU
3 stops27h 20m
SWISS
Deal found 3/10![SWISS logo]()
$784
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 marts 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $981 (Expedia) |
One-way from | $406 (CheapTickets) |
Popular in | December |
Cheapest in | October |
Average price | $1,277 |
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 marts 12, 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
lør. 3/28
10:44 pm-8:30 pm
2 stops34h 16m
Kolkata Netaji S. Chandra
man. 4/20
9:30 pm-11:04 pm
2 stops37h 04m
$1,156
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
man. 5/11
11:59 pm-12:35 am
2 stops37h 06m
Kolkata Netaji S. Chandra
man. 9/7
7:05 am-10:55 pm
2 stops51h 20m
$1,195
Quickest round-trip
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
ons. 4/29
12:25 pm-2:30 am
2 stops26h 35m
Kolkata Netaji S. Chandra
søn. 5/3
4:00 am-8:03 pm
2 stops27h 33m
$1,257
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
tor. 4/23
12:55 pm-10:15 pm
2 stops45h 50m
Kolkata Netaji S. Chandra
tor. 4/30
11:30 pm-11:19 pm
3 stops35h 19m
$1,833
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
man. 5/11
7:05 pm-10:15 pm
2 stops39h 40m
Kolkata Netaji S. Chandra
man. 9/7
11:30 pm-11:30 am
3 stops47h 30m
$1,846
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
man. 5/11
7:05 pm-10:15 pm
2 stops39h 40m
Kolkata Netaji S. Chandra
man. 9/7
11:30 pm-7:30 pm
3 stops31h 30m
$2,104
Cheapest one-way
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
lør. 4/25
9:25 pm-10:35 pm
2 stops37h 40m
$406
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
tor. 3/19
7:00 am-2:40 am
2 stops32h 10m
$494
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
lør. 3/28
11:59 pm-8:30 pm
2 stops33h 01m
$545
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
tor. 3/19
2:50 pm-1:55 am
2 stops47h 35m
$562
Showing 1-10 of 12 resultsSorted 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 March.
| 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 marts 12, 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.
Overall
7.4
Comfort
7.4
Boarding
7.5
Entertainment
7.3
Crew
7.9
Food
7.3
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Overall
7.4
Comfort
7.4
Boarding
7.5
Entertainment
7.3
Crew
7.9
Food
7.3
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Overall
7.4
Comfort
7.4
Boarding
7.5
Entertainment
7.3
Crew
7.9
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 marts 12, 2026.
Denver and Kolkata flights
Browse other Denver and Kolkata flight options. Last updated on marts 12, 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 marts 12, 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 marts 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,133 | Average$1,345 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,277 | Average$1,412 | FlexibilityNo cancel fee | On-time76% |