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Cheap flights from Washington, D.C. Dulles Intl Airport to Kolkata from ₹ 37,946

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CCU
16 Dec — 23 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Kolkata Netaji S. Chandra are usually found in March or September, booked 87 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Dulles Intl to Kolkata

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 16 November 2025.

Round-trip from

₹ 81,743

One-way from

₹ 37,946

Popular in

December

Cheapest in

March

Average price

₹ 98,145
SWISS
  • SWISS
  • 27/1-3/3
  • 5 total stops
  • 85h 05m total
  • Washington, D.C. to Kolkata
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6/1
  • 6/1
  • 2 total stops
  • 41h 20m total
  • Washington, D.C. to Kolkata
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (₹ 1,775,710 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (₹ 459,019 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Find flight deals from Dulles Intl to Kolkata

Enter your travel dates to find the best prices.

Cheapest flights from Dulles Intl to Kolkata
Explore the most affordable flight options available from Dulles Intl to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 November 2025.

Mon 1/1213:30IAD - CCU
2 stops46h 00mMultiple Airlines
Tue 16/1219:00CCU - IAD
2 stops34h 50mMultiple Airlines
Deal found 15/11₹ 84,669
Wed 19/1118:10IAD - CCU
2 stops31h 45mMultiple Airlines
Fri 21/1119:00CCU - IAD
2 stops30h 15mMultiple Airlines
Deal found 15/11₹ 90,166
Mon 24/1118:10IAD - CCU
3 stops31h 30mMultiple Airlines
Wed 17/1212:10CCU - IAD
3 stops31h 25mMultiple Airlines
Deal found 14/11₹ 93,180
Mon 24/1118:10IAD - CCU
3 stops31h 30mMultiple Airlines
Tue 2/1218:50CCU - IAD
2 stops31h 10mMultiple Airlines
Deal found 16/11₹ 93,358
Sun 30/1118:10IAD - CCU
3 stops31h 30mMultiple Airlines
Mon 15/1219:30CCU - IAD
2 stops30h 30mMultiple Airlines
Deal found 14/11₹ 93,535
Fri 28/1118:10IAD - CCU
3 stops29h 50mMultiple Airlines
Mon 8/1220:45CCU - IAD
2 stops29h 15mMultiple Airlines
Deal found 15/11₹ 93,712
Mon 24/1118:10IAD - CCU
3 stops31h 30mMultiple Airlines
Wed 24/1212:10CCU - IAD
3 stops31h 25mMultiple Airlines
Deal found 13/11₹ 93,801

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dulles Intl 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 454,620 searches. Data last updated 16 November 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Kolkata that are best for you.

Fly from

Dulles Intl

Fly to

Kolkata

Route

Depart

Return

Price

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Thu 26/3

21:05-01:55

1 stop19h 20m

Kolkata Netaji S. Chandra

Wed 8/4

03:50-15:40

1 stop21h 20m

₹ 83,694

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Mon 19/1

14:35-02:40

1 stop25h 35m

Kolkata Netaji S. Chandra

Tue 27/1

20:55-09:05

1 stop22h 40m

₹ 87,417

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Sun 11/1

14:35-20:00

1 stop18h 55m

Kolkata Netaji S. Chandra

Mon 16/2

20:55-09:05

1 stop22h 40m

₹ 87,417

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Sat 17/1

14:35-20:00

1 stop18h 55m

Kolkata Netaji S. Chandra

Mon 26/1

20:55-09:05

1 stop22h 40m

₹ 89,191

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Sat 17/1

14:35-20:00

1 stop18h 55m

Kolkata Netaji S. Chandra

Thu 29/1

03:35-09:05

1 stop40h 00m

₹ 89,191

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Sat 17/1

14:35-20:00

1 stop18h 55m

Kolkata Netaji S. Chandra

Tue 27/1

20:55-09:05

1 stop22h 40m

₹ 89,191

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Tue 6/1

10:30-18:50

1 stop21h 50m

Kolkata Netaji S. Chandra

Thu 12/2

09:15-08:10

1 stop33h 25m

₹ 89,457

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Tue 6/1

10:30-07:40

1 stop34h 40m

Kolkata Netaji S. Chandra

Wed 11/2

09:15-08:10

1 stop33h 25m

₹ 89,457

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Wed 22/4

10:55-08:10

1 stop35h 45m

Kolkata Netaji S. Chandra

Tue 12/5

09:45-08:40

1 stop32h 25m

₹ 89,634

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Sun 18/1

10:30-07:40

1 stop34h 40m

Kolkata Netaji S. Chandra

Wed 28/1

20:25-08:10

1 stop22h 15m

₹ 90,875

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 21 results
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Best time to book a flight from Dulles Intl to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from Dulles Intl with our price prediction graph.
Estimated return 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Kolkata

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Kolkata?

Use this chart to determine the optimal time to book a return flight from Dulles Intl to Kolkata. Price data was last updated on 7 November 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Kolkata, you should look to book at least 59 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Kolkata?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kolkata (average of ₹ 63,746). Flying from Washington, D.C. Dulles Intl Airport to Kolkata in June is currently the most expensive (average of ₹ 89,191). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 16 November 2025.
See what other customers who have flown with Etihad Airways from Washington, D.C. Dulles Intl Airport to Kolkata have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Etihad Airways
7.4
Good
1,303 reviews
Check prices

Entertainment

7.3

Food

7.2

Overall

7.4

Boarding

7.6

Crew

7.8

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

AUH - JFK

Due to an emergency surgery my infant had, we couldn’t make the flight. And etihad refused to refund it or reschedule for a later time. The worst call center i have ever experienced in my life.
Etihad Airways
7.4
Good
1,303 reviews
Etihad Airways
7.4
Good
1,303 reviews
Check prices

Entertainment

7.3

Food

7.2

Overall

7.4

Boarding

7.6

Crew

7.8

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

AUH - JFK

Due to an emergency surgery my infant had, we couldn’t make the flight. And etihad refused to refund it or reschedule for a later time. The worst call center i have ever experienced in my life.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Kolkata. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Kolkata from Washington, D.C. Dulles Intl?

    Located just 13.4 km from the city centre, Kolkata Netaji S. Chandra is the airport most travellers will use when flying to Kolkata from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Netaji S. Chandra (CCU) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 1 airline.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Kolkata?

    For as low as ₹ 87,417, Qatar Airways can have you in Kolkata from Washington, D.C. Dulles Intl Airport in 18h 55m. Washington, D.C. Dulles Intl Airport and Kolkata are separated by a distance of 13000 km. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Kolkata round-trip?

    Flying on Etihad Airways is currently your cheapest option to Kolkata, with prices starting at ₹ 71,325. This flight start at 23% lower than the current average price 3 months from now.

  • Can I find deals for flights from Dulles Intl to Kolkata that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Kolkata flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Kolkata?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Kolkata.

  • Can I find deals for business class flights from Dulles Intl to Kolkata?

    Yes. Cheapflights offers flight deals from Dulles Intl to Kolkata by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Kolkata?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kolkata (average of ₹ 63,746). Flying from Washington, D.C. Dulles Intl Airport to Kolkata in June is currently the most expensive (average of ₹ 89,191). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Dulles Intl to Kolkata

See prices for flight routes from nearby airports that may be better suited for you.
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Baltimore to Kolkata flights
Dulles Intl to Bagdogra flights
Baltimore to Bagdogra flights

Top airline flying from Dulles Intl to Kolkata

Discover the top airline that operate flights from Dulles Intl 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 454,620 searches. Data last updated 16 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest₹ 71,325Average₹ 90,830FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights

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Can Cheapflights find flights from Dulles Intl to Kolkata with no change fees?

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