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$422+ Cheap flights from Washington, D.C. (WAS) 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — CCU
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Kolkata Netaji S. Chandra are usually found in August or February, booked 60 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Washington, D.C. to Kolkata

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 December 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$945
(Mytrip)

One-way from

$422
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$1,481
Provider with most accurate pricing for Washington, D.C. (WAS)-Kolkata Netaji S. Chandra flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Kolkata Netaji S. Chandra flights.
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From Washington, D.C. (WAS) to Kolkata Netaji S. Chandra
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One-way flight from Washington, D.C. (WAS) to Kolkata Netaji S. Chandra
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Highest demand for flights based on searches. 14% potential increase in price ($177 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Find flight deals from Washington, D.C. to Kolkata

Cheapest flights from Washington, D.C. to Kolkata
Explore the most affordable flight options available from Washington, D.C. to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 1, 2025.

This Mytrip deal was found by Cheapflights users on 11/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:10 pmIAD - CCU
3 stops27h 05mMultiple Airlines
Mon 2/97:55 amCCU - IAD
3 stops35h 40mMultiple Airlines
Deal found 11/28$1,187
This Mytrip deal was found by Cheapflights users on 11/30. 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.
Mon 12/16:10 pmIAD - CCU
3 stops31h 30mMultiple Airlines
Mon 12/1510:00 pmCCU - IAD
2 stops28h 00mMultiple Airlines
Deal found 11/30$1,227
This Kiwi.com deal was found by Cheapflights users on 11/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:10 pmIAD - CCU
2 stops23h 55mMultiple Airlines
Mon 2/98:55 pmCCU - IAD
1 stop22h 40mMultiple Airlines
Deal found 11/28$1,228
This oojo deal was found by Cheapflights users on 11/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:05 pmIAD - CCU
1 stop19h 20mQatar Airways
Sun 2/83:25 amCCU - IAD
1 stop23h 00mQatar Airways
Deal found 11/28$1,231
This Indian Eagle deal was found by Cheapflights users on 11/28. 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.
Tue 12/309:45 pmIAD - CCU
2 stops26h 15mBritish Airways
Mon 2/99:30 pmCCU - IAD
2 stops52h 35mBritish Airways
Deal found 11/28$1,236
This oojo deal was found by Cheapflights users on 11/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:35 pmIAD - CCU
1 stop18h 55mEtihad Airways
Mon 2/98:55 pmCCU - IAD
1 stop22h 40mEtihad Airways
Deal found 11/28$1,239
This British Airways deal was found by Cheapflights users on 11/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:35 pmBWI - CCU
2 stops27h 25mBritish Airways
Mon 2/99:30 pmCCU - BWI
2 stops31h 45mBritish Airways
Deal found 11/28$1,317
This FlightHub deal was found by Cheapflights users on 11/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:45 pmDCA - CCU
2 stops21h 40mQatar Airways
Sun 12/143:25 amCCU - DCA
2 stops25h 00mQatar Airways
Deal found 11/30$1,340
This oojo deal was found by Cheapflights users on 12/1. 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 12/21:55 pmDCA - CCU
2 stops25h 30mQatar Airways
Mon 12/83:25 amCCU - DCA
2 stops25h 09mQatar Airways
Deal found 12/1$1,406
This oojo deal was found by Cheapflights users on 11/30. 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.
Mon 12/86:00 amDCA - CCU
2 stops27h 45mAir India
Tue 12/165:30 pmCCU - DCA
2 stops39h 59mAir India
Deal found 11/30$1,430
This oojo deal was found by Cheapflights users on 12/1. 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.
Mon 12/293:25 pmDCA - CCU
2 stops24h 00mQatar Airways
Sat 2/73:25 amCCU - DCA
2 stops25h 58mQatar Airways
Deal found 12/1$1,446
This oojo deal was found by Cheapflights users on 11/30. 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.
Mon 12/86:00 amDCA - CCU
2 stops25h 55mAir India
Mon 12/228:35 pmCCU - DCA
2 stops36h 41mAir India
Deal found 11/30$1,449

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 December 1, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Kolkata that are best for you.

Fly from

Washington, D.C.

Fly to

Kolkata

Route

Depart

Return

Price

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Sun 2/22

10:30 am-7:40 am

1 stop34h 40m

Kolkata Netaji S. Chandra

Tue 3/10

9:15 am-9:00 am

1 stop33h 15m

$1,009

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Tue 1/20

10:30 am-7:40 am

1 stop34h 40m

Kolkata Netaji S. Chandra

Tue 3/3

9:15 am-8:10 am

1 stop33h 25m

$1,009

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Wed 1/21

10:30 am-7:40 am

1 stop34h 40m

Kolkata Netaji S. Chandra

Tue 3/3

9:15 am-8:10 am

1 stop33h 25m

$1,009

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Mon 1/5

10:30 am-7:40 am

1 stop34h 40m

Kolkata Netaji S. Chandra

Fri 2/20

9:15 am-8:10 am

1 stop33h 25m

$1,025

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Sat 2/28

10:20 pm-9:50 am

3 stops49h 00m

Kolkata Netaji S. Chandra

Thu 3/12

5:30 pm-5:40 pm

2 stops33h 40m

$1,030

Washington, D.C.Kolkata

DCA - CCU

DCACCU

Washington, D.C. Reagan-National

Thu 3/5

1:30 pm-4:40 am

2 stops28h 40m

Kolkata Netaji S. Chandra

Wed 3/11

3:25 am-11:00 pm

2 stops29h 05m

$1,035

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Thu 1/22

10:30 am-7:40 am

1 stop34h 40m

Kolkata Netaji S. Chandra

Tue 3/3

9:15 am-8:10 am

1 stop33h 25m

$1,059

Washington, D.C.Kolkata

IAD - CCU

IADCCU

Washington, D.C. Dulles Intl

Thu 1/15

10:30 am-6:50 pm

1 stop21h 50m

Kolkata Netaji S. Chandra

Thu 1/22

9:15 am-8:10 am

1 stop33h 25m

$1,075

Washington, D.C.Kolkata

DCA - CCU

DCACCU

Washington, D.C. Reagan-National

Wed 1/14

6:00 am-7:55 pm

2 stops27h 25m

Kolkata Netaji S. Chandra

Wed 3/4

10:30 am-10:59 pm

2 stops46h 59m

$1,082

Washington, D.C.Kolkata

DCA - CCU

DCACCU

Washington, D.C. Reagan-National

Sat 2/28

6:00 am-12:35 am

2 stops32h 05m

Kolkata Netaji S. Chandra

Sun 3/15

7:05 am-10:59 pm

2 stops49h 24m

$1,089

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/29

Showing 1-10 of 60 results
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Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Kolkata in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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.-Kolkata flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C.-Kolkata flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Kolkata flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Kolkata flights, Cheapflights users trust eDreams the most. eDreams 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.-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 Washington, D.C. to Kolkata

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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Kolkata. Price data was last updated on November 28, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Kolkata, you should look to book at least 60 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. to Kolkata?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Kolkata (average of $719). Flying from Washington, D.C. to Kolkata in June is currently the most expensive (average of $1,006). 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 WAS to CCU?

Find hourly flight availability from Washington, D.C. 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 December 1, 2025.

One of the essential ways to save on airfare from Washington, D.C. to Kolkata is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 26% on airfare.

How much does it cost to fly round-trip from Washington, D.C. 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 December 1, 2025.
Get a feel of what it's like to fly with Emirates, SWISS, and Qatar Airways from Washington, D.C. to Kolkata by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,432 reviews

Boarding

8.1

Entertainment

8.2

Crew

8.3

Food

7.9

Comfort

8.0

Overall

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.
Emirates
8.1
Very good
3,432 reviews
Emirates
8.1
Very good
3,432 reviews

Boarding

8.1

Entertainment

8.2

Crew

8.3

Food

7.9

Comfort

8.0

Overall

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.
SWISS
7.5
Good
1,798 reviews
Emirates
8.1
Very good
3,432 reviews

Boarding

8.1

Entertainment

8.2

Crew

8.3

Food

7.9

Comfort

8.0

Overall

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.
Qatar Airways
7.4
Good
3,678 reviews
Emirates
8.1
Very good
3,432 reviews

Boarding

8.1

Entertainment

8.2

Crew

8.3

Food

7.9

Comfort

8.0

Overall

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.
Etihad Airways
7.4
Good
1,318 reviews
Emirates
8.1
Very good
3,432 reviews

Boarding

8.1

Entertainment

8.2

Crew

8.3

Food

7.9

Comfort

8.0

Overall

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.
Air India
5.5
Fair
2,950 reviews
Emirates
8.1
Very good
3,432 reviews

Boarding

8.1

Entertainment

8.2

Crew

8.3

Food

7.9

Comfort

8.0

Overall

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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.?

    Kolkata Netaji S. Chandra (CCU) is the airport you will fly into if you book a flight from Washington, D.C. to Kolkata. You should not have trouble finding flights to Netaji S. Chandra from Washington, D.C.; the airport handles an average of 0 inbound flights from Washington, D.C. 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.. 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. to Kolkata?

    Airlines like Emirates, Air India, and British Airways fly from Washington, D.C. to Kolkata in about 27h 25m. The time it takes to get you to your destination can typically vary by up to 7h 15m. The distance from Washington, D.C. to Kolkata is about 8079 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $734, Etihad Airways will fly you from Washington, D.C. to Kolkata and back. In addition to Etihad Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air India and Qatar Airways - these airlines can fly you to your destination from $743 and $816, respectively. Etihad Airways is currently priced 28% below the average price you’ll pay for this route.

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

    $422 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Etihad Airways and Air India, with prices starting from $445 and $550, respectively.

  • What are the most popular routes from Washington, D.C. to Kolkata?

    When deciding which route to take from Washington, D.C. to Kolkata consider Washington, D.C. Dulles Intl - Kolkata Netaji S. Chandra, Washington, D.C. Reagan-National - Kolkata Netaji S. Chandra or Baltimore/Washington - Kolkata Netaji S. Chandra as they are the most popular.

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

    Most of the time, Washington, D.C. to Kolkata flights that have layovers will stop in Abu Dhabi. New Delhi sees the second most layovers for non-direct flights flying from Washington, D.C. to Kolkata.

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

    Abu Dhabi travelers tend to visit Emirates Palace, Emirates Park Zoo, and Ferrari World Abu Dhabi more than anywhere else. Emirates Palace, Emirates Park Zoo, and Ferrari World Abu Dhabi can be accessed by traveling approximately 21.1 mi, 7.9 mi, and 4.5 mi, respectively from Abu Dhabi Zayed Intl. Travelers can rent a car at Abu Dhabi Zayed Intl for an average daily rate of $28 to make sightseeing during their layover a little easier.

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

    If you're on a layover in New Delhi and looking for things to do, consider visiting Karol Bagh, Lajpat Nagar Central Market, or Gurudwara Bangla Sahib. Those on a layover in New Delhi interested in visiting Karol Bagh, Lajpat Nagar Central Market, or Gurudwara Bangla Sahib can do so by traveling 8.7 mi, 8.7 mi, and 8.2 mi, respectively from New Delhi Indira Gandhi Intl. Those on a layover in New Delhi in need of a rental car can book one at New Delhi Indira Gandhi Intl for about $64.

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

    Washington, D.C. to Kolkata flights have a layover in Dubai least often. Doha is the second least popular location for layovers on flights from Washington, D.C. to Kolkata.

  • Can I find deals for flights from Washington, D.C. to Kolkata that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Kolkata flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Kolkata?

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

  • Can I find deals for business class flights from Washington, D.C. to Kolkata?

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

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Kolkata (average of $719). Flying from Washington, D.C. to Kolkata in June is currently the most expensive (average of $1,006). 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

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 Washington, D.C. to Kolkata

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

Top 6 airlines flying from Washington, D.C. to Kolkata

Discover the top 6 airlines that operate flights from Washington, D.C. 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 December 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$734Average$1,107FlexibilityNo cancel feeOn-time75%
Air IndiaCheapest$743Average$921FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$816Average$1,054FlexibilityNo cancel feeOn-time68%
IndiGoCheapest$851Average$1,109FlexibilityNo cancel feeOn-time80%
EmiratesCheapest$961Average$1,165FlexibilityNo cancel feeOn-time75%
SWISSCheapest$1,013Average$1,057FlexibilityNo cancel feeOn-time79%

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