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$335+ Cheap flights from Dulles Intl (IAD) 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CCU
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Kolkata Netaji S. Chandra are usually found in March or September, booked 88 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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 July 29, 2025.

Round-trip from

$683
(Indian Eagle)

One-way from

$335
(Indian Eagle)

Popular in

December

Cheapest in

March

Average price

$1,219
From Washington, D.C. Dulles Intl to Kolkata Netaji S. Chandra
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One-way flight from Washington, D.C. Dulles Intl to Kolkata Netaji S. Chandra
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Highest demand for flights based on searches. 17% potential increase in price ($214 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($62 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Dulles Intl to Kolkata

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 July 29, 2025.

This Indian Eagle deal was found by Cheapflights users on 7/28. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2611:00 amIAD - CCU
1 stop23h 15mAir India
Sat 10/49:20 pmCCU - IAD
1 stop19h 50mAir India
Deal found 7/28$683
This Booking.com deal was found by Cheapflights users on 7/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/109:40 pmIAD - CCU
2 stops37h 05mIndiGo
Wed 9/177:05 pmCCU - IAD
2 stops34h 10mIndiGo
Deal found 7/27$845
This oojo deal was found by Cheapflights users on 7/29. 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.
Sat 9/2710:05 pmIAD - CCU
1 stop37h 00mEtihad Airways
Fri 10/179:30 pmCCU - IAD
1 stop28h 10mEtihad Airways
Deal found 7/29$879
This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1211:00 amIAD - CCU
1 stop21h 35mMultiple Airlines
Fri 9/191:30 pmCCU - IAD
2 stops39h 45mMultiple Airlines
Deal found 7/29$882

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 29, 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

Fri 9/26

11:00 am-7:45 pm

1 stop23h 15m

Kolkata Netaji S. Chandra

Sat 10/4

9:20 pm-7:40 am

1 stop19h 50m

$683

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Wed 9/10

9:40 pm-8:15 pm

2 stops37h 05m

Kolkata Netaji S. Chandra

Wed 9/17

7:05 pm-7:45 pm

2 stops34h 10m

$845

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Sat 9/27

10:05 pm-8:35 pm

1 stop37h 00m

Kolkata Netaji S. Chandra

Fri 10/17

9:30 pm-4:10 pm

1 stop28h 10m

$879

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Fri 9/12

11:00 am-6:05 pm

1 stop21h 35m

Kolkata Netaji S. Chandra

Fri 9/19

1:30 pm-7:45 pm

2 stops39h 45m

$882

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Fri 8/22

12:50 pm-7:45 pm

1 stop21h 25m

$335

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Fri 8/22

9:40 pm-9:00 pm

2 stops37h 50m

$402

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Fri 8/22

10:05 pm-12:15 pm

3 stops28h 40m

$444

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Tue 8/12

9:00 pm-2:20 am

1 stop19h 50m

$490

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Sat 9/27

10:05 pm-8:35 pm

1 stop37h 00m

$590

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Sat 9/27

6:30 pm-7:30 am

2 stops27h 30m

$695

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 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.

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 round-trip flight from Dulles Intl to Kolkata. Price data was last updated on July 25, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Kolkata is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $965). Flying from Washington, D.C. Dulles Intl Airport to Kolkata in December is currently the most expensive (average of $1,647). 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.

What is the cheapest time of day to fly from IAD to CCU?

Find hourly flight availability from Dulles Intl to Kolkata. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Kolkata, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 1% versus a flight at noon.

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 July 29, 2025.
Peruse reviews from past customers who have flown with KLM, Qatar Airways, and Etihad Airways from Washington, D.C. Dulles Intl Airport 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.
KLM
7.8
Good
1,383 reviews

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Qatar Airways
7.4
Good
3,609 reviews
KLM
7.8
Good
1,383 reviews

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Etihad Airways
7.4
Good
1,228 reviews
KLM
7.8
Good
1,383 reviews

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
IndiGo
6.8
Okay
478 reviews
KLM
7.8
Good
1,383 reviews

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air India
5.5
Fair
2,927 reviews
KLM
7.8
Good
1,383 reviews

Overall

7.8

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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?

    Kolkata Netaji S. Chandra (CCU) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Kolkata. You should not have trouble finding flights to Netaji S. Chandra from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 6 airlines have flights to the Kolkata airport from Washington, D.C. Dulles Intl. It is only a 8.3 mi journey from Netaji S. Chandra (CCU) to Kolkata’s city center.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Kolkata round-trip?

    Flying on Air India is currently your cheapest option to Kolkata, with prices starting at $683. Additional round-trip tickets that might be worth considering are offered by IndiGo and Etihad Airways, with the lowest prices starting at $845 and $879, respectively. Air India is currently priced 34% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Kolkata one-way?

    The cheapest airline one-way is Air India, with whom users have recently found tickets for as low as $335. However, be on the lookout for offers from IndiGo and Qatar Airways, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Kolkata for a low price.

  • Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to Kolkata?

    Of the flights from Washington, D.C. Dulles Intl Airport to Kolkata that have layovers, most of them stop in Abu Dhabi. New Delhi follows Abu Dhabi in terms of the most common layover location on Washington, D.C. Dulles Intl Airport to Kolkata flights.

  • What are some popular things to do or see while on a layover in Abu Dhabi?

    The majority of Abu Dhabi visitors spend their time at Emirates Palace, Emirates Park Zoo, and Ferrari World Abu Dhabi. Those on a layover in Abu Dhabi interested in visiting Emirates Palace, Emirates Park Zoo, or Ferrari World Abu Dhabi can do so by traveling 21.1 mi, 7.9 mi, and 4.5 mi, respectively from Abu Dhabi Zayed Intl. Those landing in Abu Dhabi looking to spend some time exploring during their layover can rent a car for about $25 per day.

  • What are some popular points of interest to see during a layover in New Delhi?

    Karol Bagh, Lajpat Nagar Central Market, and Gurudwara Bangla Sahib are the most popular attractions in New Delhi if you're in need of something to do during your layover. Karol Bagh, Lajpat Nagar Central Market, and Gurudwara Bangla Sahib can be accessed by traveling approximately 8.7 mi, 8.7 mi, and 8.2 mi, respectively from New Delhi Indira Gandhi Intl. Travelers in need of a car in New Delhi can rent one for about $100 per day.

  • Where are the least popular layover locations for Washington, D.C. Dulles Intl Airport to Kolkata flights?

    Flights departing from Washington, D.C. Dulles Intl Airport and landing in Kolkata layover in Dubai least frequently. Doha sees the next fewest layovers on Washington, D.C. Dulles Intl Airport to Kolkata flights.

  • 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 vacation 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 $965). Flying from Washington, D.C. Dulles Intl Airport to Kolkata in December is currently the most expensive (average of $1,647). 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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Top 6 airlines flying from Dulles Intl to Kolkata

Discover the top 6 airlines 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 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$731Average$1,047FlexibilityNo cancel feeOn-time75%
Air IndiaCheapest$747Average$973FlexibilityNo cancel feeOn-timeN/A
EmiratesCheapest$783Average$1,095FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$813Average$1,057FlexibilityNo cancel feeOn-time68%
IndiGoCheapest$963Average$1,181FlexibilityNo cancel feeOn-time80%
SWISSCheapest$1,013Average$1,041FlexibilityNo cancel feeOn-time79%

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