$431+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CCU
Apr 29 — May 61
Round-trip
1 adult, Economy
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Find cheap flights from Denver to Kolkata with Cheapflights
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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
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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 March 30, 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 March 30, 2026.
This oojo deal was found by Cheapflights users on 3/28. 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 5/11:13 pm
DEN
- CCU
2 stops25h 47m
Qatar Airways
Thu 5/74:00 am
CCU
- DEN
2 stops27h 25m
Qatar Airways
Deal found 3/28![Qatar Airways logo]()
$1,219
This Justfly.com deal was found by Cheapflights users on 3/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:00 pm
DEN
- CCU
2 stops25h 00m
Qatar Airways
Sat 10/243:50 am
CCU
- DEN
2 stops28h 12m
Qatar Airways
Deal found 3/25![Qatar Airways logo]()
$1,234
This Qatar Airways deal was found by Cheapflights users on 3/26. 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.
Wed 4/87:36 am
DEN
- CCU
2 stops30h 49m
Qatar Airways
Sat 4/113:25 am
CCU
- DEN
2 stops32h 04m
Qatar Airways
Deal found 3/26![Qatar Airways logo]()
$1,256
This Justfly.com deal was found by Cheapflights users on 3/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:59 pm
DEN
- CCU
2 stops32h 26m
Multiple Airlines
Mon 9/78:35 pm
CCU
- DEN
2 stops28h 19m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$1,315
This oojo deal was found by Cheapflights users on 3/27. 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 12/306:44 am
DEN
- CCU
2 stops30h 41m
Qatar Airways
Thu 1/73:25 am
CCU
- DEN
2 stops27h 58m
Qatar Airways
Deal found 3/27![Qatar Airways logo]()
$1,356
This FlightHub deal was found by Cheapflights users on 3/29. 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 5/118:00 am
DEN
- CCU
2 stops31h 00m
Qatar Airways
Mon 9/74:00 am
CCU
- DEN
2 stops30h 39m
Qatar Airways
Deal found 3/29![Qatar Airways logo]()
$1,441
This Singapore Airlines deal was found by Cheapflights users on 3/25. 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 10/97:15 pm
DEN
- CCU
2 stops39h 30m
Multiple Airlines
Sun 10/2511:40 pm
CCU
- DEN
3 stops34h 50m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$1,463
This oojo deal was found by Cheapflights users on 3/29. 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 5/137:36 am
DEN
- CCU
2 stops31h 24m
Qatar Airways
Wed 5/204:00 am
CCU
- DEN
2 stops30h 15m
Qatar Airways
Deal found 3/29![Qatar Airways logo]()
$1,471
This lastminute.com deal was found by Cheapflights users on 3/27. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:00 am
DEN
- CCU
2 stops31h 00m
Qatar Airways
Mon 5/184:00 am
CCU
- DEN
2 stops27h 25m
Qatar Airways
Deal found 3/27![Qatar Airways logo]()
$1,482
This oojo deal was found by Cheapflights users on 3/26. 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 5/1012:25 pm
DEN
- CCU
2 stops26h 35m
Qatar Airways
Sun 5/174:00 am
CCU
- DEN
2 stops27h 25m
Qatar Airways
Deal found 3/26![Qatar Airways logo]()
$1,509
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 March 30, 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 March 30, 2026.
This Qatar Airways deal was found by Cheapflights users on 3/26. 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.
Wed 4/87:36 am
DEN
- CCU
2 stops30h 49m
Qatar Airways
Sat 4/113:25 am
CCU
- DEN
2 stops32h 04m
Qatar Airways
Deal found 3/26![Qatar Airways logo]()
$1,256
This Justfly.com deal was found by Cheapflights users on 3/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1111:59 pm
DEN
- CCU
2 stops32h 26m
Multiple Airlines
Mon 9/78:35 pm
CCU
- DEN
2 stops28h 19m
Multiple Airlines
Deal found 3/25![Multiple Airlines logo]()
$1,315
This Emirates deal was found by Cheapflights users on 3/25. 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.
Wed 4/81:25 pm
DEN
- CCU
2 stops42h 20m
Emirates
Sun 4/129:50 am
CCU
- DEN
2 stops47h 50m
Emirates
Deal found 3/25![Emirates logo]()
$1,926
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Mon 5/1111:25 am
DEN
- CCU
3 stops33h 20m
Multiple Airlines
Mon 5/189:30 pm
CCU
- DEN
3 stops29h 40m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$1,774
This Priceline deal was found by Cheapflights users on 3/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:05 pm
DEN
- CCU
2 stops29h 15m
Multiple Airlines
Wed 5/209:00 pm
CCU
- DEN
3 stops31h 00m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$1,880
This Mytrip deal was found by Cheapflights users on 3/28. 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.
Fri 5/111:25 am
DEN
- CCU
3 stops28h 05m
Multiple Airlines
Thu 5/74:00 am
CCU
- DEN
2 stops27h 58m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$1,977
Last-minute flights from Denver to KolkataDiscover last-minute flight deals from Denver to Kolkata. Data last updated March 30, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Kolkata. Data last updated March 30, 2026 and is based on user searches.
This Qatar Airways deal was found by Cheapflights users on 3/26. 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.
Wed 4/87:36 am
DEN
- CCU
2 stops30h 49m
Qatar Airways
Sat 4/113:25 am
CCU
- DEN
2 stops32h 04m
Qatar Airways
Deal found 3/26![Qatar Airways logo]()
$1,256
This Emirates deal was found by Cheapflights users on 3/25. 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.
Wed 4/81:25 pm
DEN
- CCU
2 stops42h 20m
Emirates
Sun 4/129:50 am
CCU
- DEN
2 stops47h 50m
Emirates
Deal found 3/25![Emirates logo]()
$1,926
This Singapore Airlines deal was found by Cheapflights users on 3/29. 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.
Wed 4/85:42 pm
DEN
- CCU
3 stops65h 03m
Singapore Airlines
Sun 4/1211:40 pm
CCU
- DEN
2 stops55h 30m
Singapore Airlines
Deal found 3/29![Singapore Airlines logo]()
$4,442
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 March 30, 2026.
Search for one-way flight options from Denver to Kolkata. Find affordable one-way fares based on user searches. Data last updated March 30, 2026.
This BusinessClass deal was found by Cheapflights users on 3/28. 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 4/811:59 pm
DEN
- CCU
2 stops33h 01m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$431
This FlightHub deal was found by Cheapflights users on 3/28. 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 4/812:24 pm
DEN
- CCU
2 stops26h 01m
Qatar Airways
Deal found 3/28![Qatar Airways logo]()
$636
This Priceline deal was found by Cheapflights users on 3/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:05 pm
DEN
- CCU
3 stops29h 15m
Lufthansa
Deal found 3/28![Lufthansa logo]()
$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 March 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,219 (oojo) |
One-way from | $431 (BusinessClass) |
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 March 30, 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
Wed 4/8
7:36 am-1:55 am
2 stops30h 49m
Kolkata Netaji S. Chandra
Sat 4/11
3:25 am-11:59 pm
2 stops32h 04m
$1,256
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Mon 5/11
11:59 pm-7:55 pm
2 stops32h 26m
Kolkata Netaji S. Chandra
Mon 9/7
8:35 pm-1:24 pm
2 stops28h 19m
$1,315
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Mon 5/11
11:25 am-8:15 am
3 stops33h 20m
Kolkata Netaji S. Chandra
Mon 5/18
9:30 pm-3:40 pm
3 stops29h 40m
$1,774
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Wed 5/13
4:05 pm-8:50 am
2 stops29h 15m
Kolkata Netaji S. Chandra
Wed 5/20
9:00 pm-4:30 pm
3 stops31h 00m
$1,880
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Wed 4/8
1:25 pm-7:15 pm
2 stops42h 20m
Kolkata Netaji S. Chandra
Sun 4/12
9:50 am-10:10 pm
2 stops47h 50m
$1,926
Quickest round-trip
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Fri 5/1
11:25 am-3:00 am
3 stops28h 05m
Kolkata Netaji S. Chandra
Thu 5/7
4:00 am-8:28 pm
2 stops27h 58m
$1,977
Cheapest one-way
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Wed 4/8
7:36 am-3:10 am
2 stops32h 04m
$490
Quickest one-way
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Wed 4/8
12:24 pm-1:55 am
2 stops26h 01m
$636
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Wed 4/8
4:05 pm-8:50 am
3 stops29h 15m
$829
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 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 March 30, 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
Comfort
7.4
Overall
7.4
Entertainment
7.3
Boarding
7.5
Crew
7.9
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Food
7.3
Comfort
7.4
Overall
7.4
Entertainment
7.3
Boarding
7.5
Crew
7.9
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Food
7.3
Comfort
7.4
Overall
7.4
Entertainment
7.3
Boarding
7.5
Crew
7.9
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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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 March 30, 2026.
Denver and Kolkata flights
Browse other Denver and Kolkata flight options. Last updated on March 30, 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 March 30, 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 March 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,133 | Average$1,356 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,277 | Average$1,383 | FlexibilityNo cancel fee | On-time76% |