App
Customer Support
USD
Find Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap flight deals from Denver to Kolkata Starting at $406

Whether you’re going for a one-way or round-trip to Kolkata, we’ve got you covered! Check out these different flight options from Denver below.

  • One way
  • Round-trip
      • DEN06:50 am
        31h 35m
        2 stops
        CCU02:55 am
        Mon, Mar 3|Denver - Kolkata|Frontier Airlines
        $406$689
        41% OFF
        41% OFF
        $689$406

        Choose Frontier Airlines flights from Denver to Kolkata. The one-way connecting flight with Frontier Airlines departs from Denver International Airport on Mon, Mar 3, arriving at Netaji Subhas Chandra Bose International Airport. One-way Prices start from $406 including taxes and charges.

      • DEN06:50 am
        33h 10m
        2 stops
        CCU03:30 am
        Wed, Apr 23|Denver - Kolkata|Frontier Airlines
        $446$689
        35% OFF
        35% OFF
        $689$446

        Choose Frontier Airlines flights from Denver to Kolkata. The one-way connecting flight with Frontier Airlines departs from Denver International Airport on Wed, Apr 23, arriving at Netaji Subhas Chandra Bose International Airport. One-way Prices start from $446 including taxes and charges.

      • DEN10:44 pm
        39h 41m
        2 stops
        CCU02:55 am
        Tue, Feb 18|Denver - Kolkata|Jetblue Airways
        $468$689
        32% OFF
        32% OFF
        $689$468

        Choose Jetblue Airways flights from Denver to Kolkata. The one-way connecting flight with Jetblue Airways departs from Denver International Airport on Tue, Feb 18, arriving at Netaji Subhas Chandra Bose International Airport. One-way Prices start from $468 including taxes and charges.

      • DEN06:43 am
        31h 42m
        2 stops
        CCU02:55 am
        Mon, Feb 3|Denver - Kolkata|Frontier Airlines
        $477
        $477

        Choose Frontier Airlines flights from Denver to Kolkata. The one-way connecting flight with Frontier Airlines departs from Denver International Airport on Mon, Feb 3, arriving at Netaji Subhas Chandra Bose International Airport. One-way Prices start from $477 including taxes and charges.

      • DEN10:50 am
        51h 35m
        2 stops
        CCU02:55 am
        Thu, Mar 6|Denver - Kolkata|Jetblue Airways
        $481
        $481

        Choose Jetblue Airways flights from Denver to Kolkata. The one-way connecting flight with Jetblue Airways departs from Denver International Airport on Thu, Mar 6, arriving at Netaji Subhas Chandra Bose International Airport. One-way Prices start from $481 including taxes and charges.

      • DEN10:50 am
        52h 35m
        2 stops
        CCU02:55 am
        Wed, Mar 12|Denver - Kolkata|Jetblue Airways
        $481
        $481

        Choose Jetblue Airways flights from Denver to Kolkata. The one-way connecting flight with Jetblue Airways departs from Denver International Airport on Wed, Mar 12, arriving at Netaji Subhas Chandra Bose International Airport. One-way Prices start from $481 including taxes and charges.

      • DEN04:39 pm
        62h 51m
        2 stops
        CCU08:00 pm
        Sun, Feb 16|Denver - Kolkata|Frontier Airlines
        $484
        $484

        Choose Frontier Airlines flights from Denver to Kolkata. The one-way connecting flight with Frontier Airlines departs from Denver International Airport on Sun, Feb 16, arriving at Netaji Subhas Chandra Bose International Airport. One-way Prices start from $484 including taxes and charges.

      • DEN06:50 am
        31h 35m
        2 stops
        CCU02:55 am
        Mon, Feb 17|Denver - Kolkata|Frontier Airlines
        $496
        $496

        Choose Frontier Airlines flights from Denver to Kolkata. The one-way connecting flight with Frontier Airlines departs from Denver International Airport on Mon, Feb 17, arriving at Netaji Subhas Chandra Bose International Airport. One-way Prices start from $496 including taxes and charges.

      • DEN10:50 am
        51h 35m
        2 stops
        CCU02:55 am
        Thu, Feb 27|Denver - Kolkata|Jetblue Airways
        $498
        $498

        Choose Jetblue Airways flights from Denver to Kolkata. The one-way connecting flight with Jetblue Airways departs from Denver International Airport on Thu, Feb 27, arriving at Netaji Subhas Chandra Bose International Airport. One-way Prices start from $498 including taxes and charges.

      • DEN06:20 am
        26h 10m
        2 stops
        CCU08:00 pm
        Tue, Mar 11|Denver - Kolkata|Delta Air Lines
        $501
        $501

        Choose Delta Air Lines flights from Denver to Kolkata. The one-way connecting flight with Delta Air Lines departs from Denver International Airport on Tue, Mar 11, arriving at Netaji Subhas Chandra Bose International Airport. One-way Prices start from $501 including taxes and charges.

      • DEN01:00 pm
        3h 5m
        Nonstop
        CCU02:00 pm
        Sun, Feb 9|Denver - Kolkata|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Denver to Kolkata flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. B6394

    Jetblue Airways

    01:46 pm

    DEN

    4.0h

    07:49 pm

    BOS

    SMTWTFS
    Search

  2. EY008

    Etihad Airways

    04:55 pm

    BOS

    12.0h

    12:55 pm

    AUH

    SMTWTFS

  3. EY222

    Etihad Airways

    02:05 pm

    AUH

    4.4h

    08:00 pm

    CCU

    S-T-T-S

  4. DL336

    Delta Air Lines

    06:25 am

    DEN

    3.6h

    12:04 pm

    JFK

    SMTWTFS
    Search

  5. EY002

    Etihad Airways

    03:30 pm

    JFK

    13.0h

    12:30 pm

    AUH

    SMTWTFS

  6. EY220

    Etihad Airways

    09:05 pm

    AUH

    4.9h

    03:30 am

    CCU

    -M-WTF-

  7. DL336

    Delta Air Lines

    06:25 am

    DEN

    3.6h

    12:04 pm

    JFK

    SMTWTFS
    Search

  8. QR702

    Qatar Airways

    09:30 pm

    JFK

    12.3h

    04:50 pm

    DOH

    SMTWTFS

  9. QR540

    Qatar Airways

    06:45 pm

    DOH

    4.5h

    01:45 am

    CCU

    SMTWTFS

  10. DL336

    Delta Air Lines

    06:25 am

    DEN

    3.6h

    12:04 pm

    JFK

    SMTWTFS
    Search

  11. EY002

    Etihad Airways

    03:30 pm

    JFK

    13.0h

    12:30 pm

    AUH

    SMTWTFS

  12. EY222

    Etihad Airways

    02:05 pm

    AUH

    4.4h

    08:00 pm

    CCU

    S-T-T-S

  13. UA1911

    United Airlines

    06:30 am

    DEN

    3.4h

    11:54 am

    IAD

    SMTWTFS
    Search

  14. EY006

    Etihad Airways

    10:00 pm

    IAD

    13.0h

    07:00 pm

    AUH

    SMTWTFS

  15. EY220

    Etihad Airways

    09:05 pm

    AUH

    4.9h

    03:30 am

    CCU

    -M-WTF-

  16. F9686

    Frontier Airlines

    06:40 am

    DEN

    3.5h

    12:07 pm

    DCA

    SMTWTFS
    Search

  17. EY006

    Etihad Airways

    10:00 pm

    IAD

    13.0h

    07:00 pm

    AUH

    SMTWTFS

  18. EY220

    Etihad Airways

    09:05 pm

    AUH

    4.9h

    03:30 am

    CCU

    -M-WTF-

  19. AA2771

    American Airlines

    07:20 am

    DEN

    2.5h

    10:49 am

    ORD

    SMTWTFS
    Search

  20. EY010

    Etihad Airways

    01:55 pm

    ORD

    13.4h

    12:20 pm

    AUH

    SMTWTFS

  21. EY220

    Etihad Airways

    09:05 pm

    AUH

    4.9h

    03:30 am

    CCU

    -M-WTF-

  22. AA2771

    American Airlines

    07:20 am

    DEN

    2.5h

    10:49 am

    ORD

    SMTWTFS
    Search

  23. EY010

    Etihad Airways

    01:55 pm

    ORD

    13.4h

    12:20 pm

    AUH

    SMTWTFS

  24. EY222

    Etihad Airways

    02:05 pm

    AUH

    4.4h

    08:00 pm

    CCU

    S-T-T-S

  25. F9688

    Frontier Airlines

    11:30 am

    DEN

    3.5h

    04:59 pm

    DCA

    SMTWTFS
    Search

  26. EY006

    Etihad Airways

    10:00 pm

    IAD

    13.0h

    07:00 pm

    AUH

    SMTWTFS

  27. EY220

    Etihad Airways

    09:05 pm

    AUH

    4.9h

    03:30 am

    CCU

    -M-WTF-

  28. DL532

    Delta Air Lines

    12:25 pm

    DEN

    3.9h

    06:18 pm

    JFK

    SMTWTFS
    Search

  29. EY004

    Etihad Airways

    10:35 pm

    JFK

    12.9h

    07:30 pm

    AUH

    SMTWTFS

  30. EY220

    Etihad Airways

    09:05 pm

    AUH

    4.9h

    03:30 am

    CCU

    -M-WTF-
Find more flights and airlines

When is the cheapest time to fly from Denver to Kolkata?

Explore the best time to buy affordable tickets to Kolkata with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Denver (DEN) to Kolkata (CCU) the cheapest?

    Airlines adjust prices for flights from Denver to Kolkata based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Denver (DEN) to Kolkata (CCU) cost?

    According to Trip.com's data, the lowest price is around $2,243.

  • What is the transportation method from the main airport to downtown in Kolkata?

    • The distance from Netaji Subhas Chandra Bose International Airport to downtown is about 12 km. It takes about 30 minutes by taxi.

How to find a cheap flight from Denver to Kolkata

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Denver to Kolkata

Off-season for travelFebruary
Peak season for travelDecember
Flight distance12,931.39 km
Popular airlineDelta Air Lines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.