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$428+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — CCU
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
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Cheap 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 March 12, 2026.

This Indian Eagle deal was found by Cheapflights users on 3/10. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1711:15 am
IAD
-
CCU
1 stop22h 05m
Emirates
Wed 4/158:55 pm
CCU
-
IAD
1 stop21h 15m
Emirates
Deal found 3/10$925
This deal was found by Cheapflights users on 3/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/213:35 pm
IAD
-
CCU
1 stop18h 55m
Etihad Airways
Wed 4/159:30 pm
CCU
-
IAD
1 stop21h 45m
Etihad Airways
Deal found 3/11$926
This Mytrip deal was found by Cheapflights users on 3/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:10 pm
IAD
-
CCU
1 stop19h 50m
Etihad Airways
Tue 5/264:10 am
CCU
-
IAD
1 stop39h 05m
Etihad Airways
Deal found 3/9$929
This KAYAK deal was found by Cheapflights users on 3/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:30 pm
IAD
-
CCU
2 stops29h 50m
Lufthansa
Thu 8/2010:00 pm
CCU
-
IAD
2 stops26h 45m
Lufthansa
Deal found 3/11$930
This Flightnetwork deal was found by Cheapflights users on 3/9. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/23:10 pm
IAD
-
CCU
1 stop19h 50m
Etihad Airways
Mon 4/279:30 pm
CCU
-
IAD
1 stop21h 45m
Etihad Airways
Deal found 3/9$932
This Indian Eagle deal was found by Cheapflights users on 3/10. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:15 am
IAD
-
CCU
1 stop34h 55m
Emirates
Thu 3/269:15 am
CCU
-
IAD
1 stop33h 15m
Emirates
Deal found 3/10$933
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Tue 3/243:35 pm
IAD
-
CCU
1 stop18h 55m
Etihad Airways
Fri 5/159:30 pm
CCU
-
IAD
1 stop21h 45m
Etihad Airways
Deal found 3/9$934
This Indian Eagle deal was found by Cheapflights users on 3/11. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3110:55 am
IAD
-
CCU
1 stop28h 05m
Emirates
Thu 4/309:50 am
CCU
-
IAD
1 stop32h 20m
Emirates
Deal found 3/11$936
This Indian Eagle deal was found by Cheapflights users on 3/9. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2011:15 am
IAD
-
CCU
1 stop22h 05m
Emirates
Thu 4/99:50 am
CCU
-
IAD
1 stop32h 20m
Emirates
Deal found 3/9$937
This KAYAK deal was found by Cheapflights users on 3/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:20 pm
IAD
-
CCU
2 stops23h 00m
Multiple Airlines
Sat 8/2210:00 pm
CCU
-
IAD
2 stops26h 45m
Multiple Airlines
Deal found 3/11$938
This oojo deal was found by Cheapflights users on 3/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/243:10 pm
IAD
-
CCU
1 stop26h 20m
Etihad Airways
Tue 5/264:10 am
CCU
-
IAD
1 stop39h 05m
Etihad Airways
Deal found 3/9$940
This deal was found by Cheapflights users on 3/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:20 pm
IAD
-
CCU
1 stop20h 40m
Qatar Airways
Fri 5/294:00 am
CCU
-
IAD
1 stop21h 35m
Qatar Airways
Deal found 3/11$941

Find 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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$925
(Lufthansa)

One-way from

$428
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$990
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Kolkata Netaji S. Chandra flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Kolkata Netaji S. Chandra flights.
Search Deals
From Washington, D.C. Dulles Intl to Kolkata Netaji S. Chandra
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Kolkata Netaji S. Chandra
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($161 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 12, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Fri 7/24

10:15 pm-8:50 am

2 stops25h 05m

Kolkata Netaji S. Chandra

Sat 8/22

10:00 pm-3:15 pm

2 stops26h 45m

$945
Quickest round-trip

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Thu 4/30

3:10 pm-3:00 am

1 stop26h 20m

Kolkata Netaji S. Chandra

Mon 5/4

9:30 pm-9:45 am

1 stop21h 45m

$949

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Sun 3/22

11:15 am-7:40 am

1 stop34h 55m

Kolkata Netaji S. Chandra

Mon 4/13

9:50 am-8:40 am

1 stop32h 20m

$1,010

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Sun 3/22

11:15 am-7:40 am

1 stop34h 55m

Kolkata Netaji S. Chandra

Fri 4/17

9:50 am-8:40 am

1 stop32h 20m

$1,010

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Tue 3/24

11:15 am-7:40 am

1 stop34h 55m

Kolkata Netaji S. Chandra

Thu 4/30

9:50 am-8:40 am

1 stop32h 20m

$1,026

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Sun 7/26

10:55 am-8:10 am

1 stop35h 45m

Kolkata Netaji S. Chandra

Mon 8/24

9:50 am-8:40 am

1 stop32h 20m

$1,038

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Thu 4/23

5:40 pm-8:05 am

2 stops28h 55m

Kolkata Netaji S. Chandra

Tue 5/26

7:00 pm-3:35 pm

2 stops30h 05m

$1,055

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Thu 4/23

5:40 pm-8:05 am

2 stops28h 55m

Kolkata Netaji S. Chandra

Thu 5/28

5:30 pm-7:35 pm

2 stops35h 35m

$1,055

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Sat 4/25

5:40 pm-8:05 am

2 stops28h 55m

Kolkata Netaji S. Chandra

Tue 5/26

7:00 pm-7:35 pm

2 stops34h 05m

$1,055

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Mon 4/27

10:55 am-8:10 am

1 stop35h 45m

Kolkata Netaji S. Chandra

Sat 5/23

8:55 pm-8:40 am

1 stop21h 15m

$1,062

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 23 resultsSorted by cheapest first
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3

Compare providers for flights from Dulles Intl 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 Dulles Intl to Kolkata in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Kolkata flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Kolkata flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Kolkata flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-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 Washington, D.C. Dulles Intl Airport-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 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 March 6, 2026.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Kolkata is 64 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 $693). Flying from Washington, D.C. Dulles Intl Airport to Kolkata in June is currently the most expensive (average of $1,015). 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.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Kolkata?

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 March 12, 2026.
Peruse reviews from past customers who have flown with Emirates,SWISS, andQatar 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.
Emirates
8.1
Very good
3,541 reviews

Food

7.9

Comfort

8.0

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Emirates
8.1
Very good
3,541 reviews
Emirates
8.1
Very good
3,541 reviews

Food

7.9

Comfort

8.0

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
SWISS
7.5
Good
1,897 reviews
Emirates
8.1
Very good
3,541 reviews

Food

7.9

Comfort

8.0

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Qatar Airways
7.4
Good
3,740 reviews
Emirates
8.1
Very good
3,541 reviews

Food

7.9

Comfort

8.0

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Etihad Airways
7.3
Good
1,426 reviews
Emirates
8.1
Very good
3,541 reviews

Food

7.9

Comfort

8.0

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Air India
5.5
Fair
2,969 reviews
Emirates
8.1
Very good
3,541 reviews

Food

7.9

Comfort

8.0

Crew

8.3

Boarding

8.1

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.

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.

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

    Airlines like Lufthansa, Etihad Airways, and Emirates fly from Washington, D.C. Dulles Intl Airport to Kolkata in about 25h 05m. The time it takes to get you to your destination can typically vary by up to 9h 50m. Airlines will cover a distance of 8078 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $713. Additional round-trip tickets that might be worth considering are offered by Etihad Airways and IndiGo, with the lowest prices starting at $818 and $851, respectively. Air India is currently priced 33% 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 Etihad Airways 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.

  • 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 $693). Flying from Washington, D.C. Dulles Intl Airport to Kolkata in June is currently the most expensive (average of $1,015). 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.
Dulles Intl to Bagdogra flights

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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$713Average$923FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$818Average$1,116FlexibilityNo cancel feeOn-time75%
IndiGoCheapest$851Average$1,085FlexibilityNo cancel feeOn-time80%
Qatar AirwaysCheapest$864Average$1,103FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$958Average$1,076FlexibilityNo cancel feeOn-time75%
SWISSCheapest$999Average$1,041FlexibilityNo cancel feeOn-time79%

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