$429+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CCU
Mar 13 — Mar 201
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
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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 11, 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 11, 2026.
This FlightHub deal was found by Cheapflights users on 2/9. 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.
Wed 10/2810:39 am
DEN
- CCU
2 stops27h 46m
Qatar Airways
Sun 11/223:25 am
CCU
- DEN
2 stops31h 27m
Qatar Airways
Deal found 2/9![Qatar Airways logo]()
$1,168
This Qatar Airways deal was found by Cheapflights users on 2/8. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/157:05 am
DEN
- CCU
2 stops30h 20m
Qatar Airways
Wed 2/183:25 am
CCU
- DEN
2 stops28h 39m
Qatar Airways
Deal found 2/8![Qatar Airways logo]()
$1,217
This KAYAK deal was found by Cheapflights users on 2/10. 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 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 2/10![Lufthansa logo]()
$1,225
This Singapore Airlines deal was found by Cheapflights users on 2/9. 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.
Mon 5/111:15 pm
DEN
- CCU
2 stops45h 30m
Multiple Airlines
Mon 9/711:30 pm
CCU
- DEN
3 stops34h 58m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,401
This Singapore Airlines deal was found by Cheapflights users on 2/9. 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.
Wed 10/287:15 pm
DEN
- CCU
2 stops39h 40m
Multiple Airlines
Mon 11/2311:40 pm
CCU
- DEN
3 stops35h 50m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,412
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 11, 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 11, 2026.
This KAYAK deal was found by Cheapflights users on 2/10. 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 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 2/10![Lufthansa logo]()
$1,225
This Singapore Airlines deal was found by Cheapflights users on 2/8. 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.
Mon 5/111:15 pm
DEN
- CCU
2 stops45h 30m
Multiple Airlines
Mon 9/711:30 pm
CCU
- DEN
3 stops34h 58m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$1,401
This Qatar Airways deal was found by Cheapflights users on 2/9. 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.
Mon 3/912:19 pm
DEN
- CCU
2 stops26h 06m
Qatar Airways
Thu 3/193:25 am
CCU
- DEN
2 stops32h 01m
Qatar Airways
Deal found 2/9![Qatar Airways logo]()
$6,043
This Booking.com deal was found by Cheapflights users on 2/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:25 pm
DEN
- CCU
2 stops29h 15m
British Airways
Mon 3/167:30 pm
CCU
- DEN
2 stops56h 30m
British Airways
Deal found 2/8![British Airways logo]()
$7,215
This Expedia deal was found by Cheapflights users on 2/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/511:15 am
DEN
- CCU
2 stops43h 05m
Multiple Airlines
Sun 3/151:25 am
CCU
- DEN
2 stops54h 00m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$7,457
Last-minute flights from Denver to KolkataDiscover last-minute flight deals from Denver to Kolkata. Data last updated February 11, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Kolkata. Data last updated February 11, 2026 and is based on user searches.
This Qatar Airways deal was found by Cheapflights users on 2/8. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/157:05 am
DEN
- CCU
2 stops30h 20m
Qatar Airways
Wed 2/183:25 am
CCU
- DEN
2 stops28h 39m
Qatar Airways
Deal found 2/8![Qatar Airways logo]()
$1,217
This Singapore Airlines deal was found by Cheapflights users on 2/10. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/155:33 pm
DEN
- CCU
2 stops40h 22m
Singapore Airlines
Thu 2/1911:40 pm
CCU
- DEN
3 stops59h 49m
Singapore Airlines
Deal found 2/10![Singapore Airlines logo]()
$2,914
This Booking.com deal was found by Cheapflights users on 2/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:25 pm
DEN
- CCU
2 stops29h 15m
British Airways
Mon 3/167:30 pm
CCU
- DEN
2 stops56h 30m
British Airways
Deal found 2/8![British Airways logo]()
$7,215
This Expedia deal was found by Cheapflights users on 2/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/511:15 am
DEN
- CCU
2 stops43h 05m
Multiple Airlines
Sun 3/151:25 am
CCU
- DEN
2 stops54h 00m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$7,457
This Qatar Airways deal was found by Cheapflights users on 2/9. 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.
Mon 3/912:19 pm
DEN
- CCU
2 stops26h 06m
Qatar Airways
Thu 3/193:25 am
CCU
- DEN
2 stops32h 01m
Qatar Airways
Deal found 2/9![Qatar Airways logo]()
$6,043
This BusinessClass deal was found by Cheapflights users on 2/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:58 pm
DEN
- CCU
3 stops41h 47m
Multiple Airlines
Fri 3/208:35 pm
CCU
- DEN
2 stops31h 25m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$9,436
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:17 am
DEN
- CCU
2 stops29h 08m
Qatar Airways
Fri 3/203:25 am
CCU
- DEN
2 stops31h 04m
Qatar Airways
Deal found 2/10![Qatar Airways logo]()
$7,468
This Booking.com deal was found by Cheapflights users on 2/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:25 pm
DEN
- CCU
2 stops28h 55m
Multiple Airlines
Sat 3/215:30 am
CCU
- DEN
3 stops42h 29m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$8,325
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 11, 2026.
Search for one-way flight options from Denver to Kolkata. Find affordable one-way fares based on user searches. Data last updated February 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Wed 4/299:30 pm
DEN
- CCU
2 stops37h 15m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:00 am
DEN
- CCU
3 stops48h 55m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$489
This Etihad Airways deal was found by Cheapflights users on 2/9. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:00 am
DEN
- CCU
2 stops31h 10m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$505
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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,225 (KAYAK) |
One-way from | $429 (Kiwi.com) |
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 11, 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
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
$1,225
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Mon 5/11
1:15 pm-10:15 pm
2 stops45h 30m
Kolkata Netaji S. Chandra
Mon 9/7
11:30 pm-10:58 pm
3 stops34h 58m
$1,401
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Mon 3/9
12:19 pm-1:55 am
2 stops26h 06m
Kolkata Netaji S. Chandra
Thu 3/19
3:25 am-11:56 pm
2 stops32h 01m
$6,043
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Thu 3/5
5:25 pm-11:10 am
2 stops29h 15m
Kolkata Netaji S. Chandra
Mon 3/16
7:30 pm-4:30 pm
2 stops56h 30m
$7,215
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Thu 3/5
11:15 am-6:50 pm
2 stops43h 05m
Kolkata Netaji S. Chandra
Sun 3/15
1:25 am-7:55 pm
2 stops54h 00m
$7,457
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Wed 4/29
9:30 pm-10:15 pm
2 stops37h 15m
$429
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Sun 3/15
6:00 am-6:25 pm
3 stops48h 55m
$489
DenverKolkata
DEN - CCU
DENCCU
Denver Intl
Thu 2/26
7:00 am-2:40 am
2 stops31h 10m
$505
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 11, 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.
Comfort
7.4
Food
7.3
Crew
7.9
Overall
7.4
Boarding
7.5
Entertainment
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Comfort
7.4
Food
7.3
Crew
7.9
Overall
7.4
Boarding
7.5
Entertainment
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Comfort
7.4
Food
7.3
Crew
7.9
Overall
7.4
Boarding
7.5
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 11, 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 11, 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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,133 | Average$1,331 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,297 | Average$1,457 | FlexibilityNo cancel fee | On-time76% |