Dulles Intl

$501+ Cheap flights from Kolkata (CCU) to Dulles Intl (IAD)

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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — IAD
Jun 17 — Jun 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kolkata to Dulles Intl 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Kolkata Netaji S. Chandra to Washington, D.C. Dulles Intl are usually found in September or October, booked 85 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Kolkata to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Kolkata (CCU) to Dulles Intl (IAD). 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 June 12, 2025.

Round-trip from

$919
(Booking.com)

One-way from

$501
(Booking.com)

Popular in

August

Cheapest in

September

Average price

$1,155
From Kolkata Netaji S. Chandra to Washington, D.C. Dulles Intl
One-way flight from Kolkata Netaji S. Chandra to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 8% potential increase in price ($114 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find flight deals from Kolkata to Dulles Intl

Cheapest flights from Kolkata to Dulles Intl
Explore the most affordable flight options available from Kolkata to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/11. 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 6/2511:45 pmCCU - IAD
2 stops45h 00mMultiple Airlines
Wed 8/279:40 pmIAD - CCU
2 stops34h 40mMultiple Airlines
Deal found 6/11$919
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2511:45 pmCCU - IAD
2 stops45h 00mAir India
Fri 11/1411:00 amIAD - CCU
1 stop23h 00mAir India
Deal found 6/10$1,009
This oojo deal was found by Cheapflights users on 6/11. 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 6/243:45 amCCU - IAD
1 stop21h 55mEtihad Airways
Wed 8/2710:05 pmIAD - CCU
1 stop37h 00mEtihad Airways
Deal found 6/11$1,026
This Booking.com deal was found by Cheapflights users on 6/10. 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.
Sat 7/192:00 amCCU - IAD
2 stops27h 15mIndiGo
Wed 8/209:40 pmIAD - CCU
2 stops34h 40mIndiGo
Deal found 6/10$1,030
This oojo deal was found by Cheapflights users on 6/10. 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.
Sun 6/293:50 amCCU - IAD
1 stop21h 20mQatar Airways
Wed 11/128:05 pmIAD - CCU
1 stop19h 10mQatar Airways
Deal found 6/10$1,147
This oojo deal was found by Cheapflights users on 6/11. 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 7/238:45 pmCCU - IAD
1 stop21h 25mEmirates
Tue 9/2310:55 amIAD - CCU
1 stop22h 50mEmirates
Deal found 6/11$1,171
This Air France deal was found by Cheapflights users on 6/10. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/217:05 pmCCU - IAD
2 stops30h 45mAir France
Tue 9/236:30 pmIAD - CCU
2 stops24h 45mAir France
Deal found 6/10$1,224
This SWISS deal was found by Cheapflights users on 6/10. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/208:30 pmCCU - IAD
3 stops27h 50mSWISS
Wed 8/208:45 pmIAD - CCU
2 stops51h 15mSWISS
Deal found 6/10$1,290
This Gurufare deal was found by Cheapflights users on 6/10. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/242:00 amCCU - IAD
2 stops27h 40mBritish Airways
Fri 11/146:15 pmIAD - CCU
2 stops33h 15mBritish Airways
Deal found 6/10$1,329

Cheapflights Fare Finder

Customize your flight search to find flights from Kolkata to Dulles Intl 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 June 12, 2025.
Use the filters below to find and compare flights from Kolkata to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Kolkata

Fly to

Dulles Intl

Route

Depart

Return

Price

KolkataWashington, D.C.

CCU - IAD

CCUIAD

Kolkata Netaji S. Chandra

Wed 6/25

11:45 pm-11:15 am

2 stops45h 00m

Washington, D.C. Dulles Intl

Wed 8/27

9:40 pm-5:50 pm

2 stops34h 40m

$919

KolkataWashington, D.C.

CCU - IAD

CCUIAD

Kolkata Netaji S. Chandra

Wed 6/25

11:45 pm-11:15 am

2 stops45h 00m

Washington, D.C. Dulles Intl

Fri 11/14

11:00 am-8:30 pm

1 stop23h 00m

$1,009

KolkataWashington, D.C.

CCU - IAD

CCUIAD

Kolkata Netaji S. Chandra

Tue 6/24

3:45 am-4:10 pm

1 stop21h 55m

Washington, D.C. Dulles Intl

Wed 8/27

10:05 pm-8:35 pm

1 stop37h 00m

$1,026

KolkataWashington, D.C.

CCU - IAD

CCUIAD

Kolkata Netaji S. Chandra

Sat 7/19

2:00 am-7:45 pm

2 stops27h 15m

Washington, D.C. Dulles Intl

Wed 8/20

9:40 pm-5:50 pm

2 stops34h 40m

$1,030

KolkataWashington, D.C.

CCU - IAD

CCUIAD

Kolkata Netaji S. Chandra

Sun 6/29

3:50 am-3:40 pm

1 stop21h 20m

Washington, D.C. Dulles Intl

Wed 11/12

8:05 pm-1:45 am

1 stop19h 10m

$1,147

KolkataWashington, D.C.

CCU - IAD

CCUIAD

Kolkata Netaji S. Chandra

Wed 7/23

8:45 pm-8:40 am

1 stop21h 25m

Washington, D.C. Dulles Intl

Tue 9/23

10:55 am-7:15 pm

1 stop22h 50m

$1,171

KolkataWashington, D.C.

CCU - IAD

CCUIAD

Kolkata Netaji S. Chandra

Mon 7/21

7:05 pm-4:20 pm

2 stops30h 45m

Washington, D.C. Dulles Intl

Tue 9/23

6:30 pm-4:45 am

2 stops24h 45m

$1,224

KolkataWashington, D.C.

CCU - IAD

CCUIAD

Kolkata Netaji S. Chandra

Sun 7/20

8:30 pm-2:50 pm

3 stops27h 50m

Washington, D.C. Dulles Intl

Wed 8/20

8:45 pm-9:30 am

2 stops51h 15m

$1,290

KolkataWashington, D.C.

CCU - IAD

CCUIAD

Kolkata Netaji S. Chandra

Tue 6/24

2:00 am-8:10 pm

2 stops27h 40m

Washington, D.C. Dulles Intl

Fri 11/14

6:15 pm-2:00 pm

2 stops33h 15m

$1,329

KolkataWashington, D.C.

CCU - IAD

CCUIAD

Kolkata Netaji S. Chandra

Mon 6/30

1:30 pm-7:45 pm

2 stops39h 45m

$501

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Kolkata to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Kolkata 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 Kolkata to Washington, D.C. Dulles Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Kolkata to Dulles Intl. Price data was last updated on June 9, 2025.

Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from Kolkata to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Kolkata to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Kolkata to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated June 12, 2025.

Overall

8.1

Entertainment

8.2

Food

7.8

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Overall

8.1

Entertainment

8.2

Food

7.8

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Overall

8.1

Entertainment

8.2

Food

7.8

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Overall

8.1

Entertainment

8.2

Food

7.8

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Overall

8.1

Entertainment

8.2

Food

7.8

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Overall

8.1

Entertainment

8.2

Food

7.8

Boarding

8.1

Comfort

8.0

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

Find useful and relevant information for your journey from Kolkata to Dulles Intl. 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 from for flights from Kolkata to Washington, D.C. Dulles Intl?

    Kolkata Netaji S. Chandra (CCU), located 8.3 mi from the city center, is the airport you fly out of when you book flights from Kolkata to Washington, D.C. Dulles Intl. 4 airlines have flights from Netaji S. Chandra to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Kolkata Netaji S. Chandra to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

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

    Currently priced at $1,009, Air India will fly you from Kolkata to Washington, D.C. Dulles Intl Airport and back. In addition to Air India, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Etihad Airways and IndiGo - these airlines can fly you to your destination from $1,026 and $1,030, respectively. Air India is priced at 19% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is IndiGo, with whom users have recently found tickets for as low as $501. However, be on the lookout for offers from Air India and Etihad Airways, as they are both options that can get you from Kolkata to Washington, D.C. Dulles Intl Airport for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kolkata to Dulles Intl 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 Kolkata to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Kolkata to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Kolkata to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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

Traveling to a place near Kolkata?

Book flights to Kolkata if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Sterling
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kolkata to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Kolkata to Dulles Intl

Discover the top 4 airlines that operate flights from Kolkata to Dulles Intl. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$402Average$1,095FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$979Average$1,109FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$1,114Average$1,217FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,146Average$1,174FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.