$501 Cheap Flights from Washington (IAD) to Kolkata (CCU)

View $501 flight on Tue, Mar 3, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Netaji Subhash Chandra Bose Intl. Airport (CCU)

Cheap Flights from Washington to Kolkata (IAD-CCU)

Prices were available within the past 7 days and start at $501 for one-way flights and $807 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Sat, Jan 24 - Sun, Feb 15
IAD
Washington
CCU
Kolkata
$807 Roundtrip, just found
$807
Roundtrip
just found
Select Swiss International Air Lines flight, departing Sat, Jan 24 from Washington to Kolkata, returning Sun, Feb 15, priced at $807 just found
Lufthansa
Thu, Mar 19 - Wed, Apr 1
IAD
Washington
CCU
Kolkata
$826 Roundtrip, found 3 days ago
$826
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Thu, Mar 19 from Washington to Kolkata, returning Wed, Apr 1, priced at $826 found 3 days ago
Lufthansa
Sun, Mar 8 - Mon, Apr 6
IAD
Washington
CCU
Kolkata
$827 Roundtrip, found 2 hours ago
$827
Roundtrip
found 2 hours ago
Select Lufthansa flight, departing Sun, Mar 8 from Washington to Kolkata, returning Mon, Apr 6, priced at $827 found 2 hours ago
Lufthansa
Tue, Feb 3 - Wed, Feb 18
IAD
Washington
CCU
Kolkata
$831 Roundtrip, found 4 days ago
$831
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Tue, Feb 3 from Washington to Kolkata, returning Wed, Feb 18, priced at $831 found 4 days ago
Lufthansa
Sat, Jan 24 - Sun, Feb 15
IAD
Washington
CCU
Kolkata
$837 Roundtrip, just found
$837
Roundtrip
just found
Select Lufthansa flight, departing Sat, Jan 24 from Washington to Kolkata, returning Sun, Feb 15, priced at $837 just found
Lufthansa
Mon, Jan 19 - Tue, Feb 17
IAD
Washington
CCU
Kolkata
$838 Roundtrip, found 2 days ago
$838
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Jan 19 from Washington to Kolkata, returning Tue, Feb 17, priced at $838 found 2 days ago
Swiss International Air Lines
Sat, Jan 17 - Tue, Jan 27
IAD
Washington
CCU
Kolkata
$840 Roundtrip, found 3 days ago
$840
Roundtrip
found 3 days ago
Select Swiss International Air Lines flight, departing Sat, Jan 17 from Washington to Kolkata, returning Tue, Jan 27, priced at $840 found 3 days ago
Turkish Airlines
Fri, Mar 20 - Mon, Apr 6
IAD
Washington
CCU
Kolkata
$912 Roundtrip, found 1 day ago
$912
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Fri, Mar 20 from Washington to Kolkata, returning Mon, Apr 6, priced at $912 found 1 day ago
Etihad Airways
Tue, Mar 3 - Wed, Mar 25
IAD
Washington
CCU
Kolkata
$930 Roundtrip, just found
$930
Roundtrip
just found
Select Etihad Airways flight, departing Tue, Mar 3 from Washington to Kolkata, returning Wed, Mar 25, priced at $930 just found
Emirates
Tue, Jan 20 - Fri, Jan 30
IAD
Washington
CCU
Kolkata
$1,013 Roundtrip, found 13 hours ago
$1,013
Roundtrip
found 13 hours ago
Select Emirates flight, departing Tue, Jan 20 from Washington to Kolkata, returning Fri, Jan 30, priced at $1,013 found 13 hours ago

Find the cheapest month to fly from Washington (IAD) to Kolkata (CCU)

September is typically the cheapest month to fly

From $729 - $1,326 per traveler.

Alternative airports near Kolkata

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Netaji Subhash Chandra Bose Intl. CCU. Cheapest and Closest option available. Average driving time to city center is 15 minutes. Flights from $1,189
CCU
Netaji Subhash Chandra Bose Intl.
CheapestClosest
Average driving time to city center15 min
Flights from $1,189

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Netaji Subhash Chandra Bose Intl. Airport (CCU) cost?
Get a cheap one-way flight from $501 or cheap return flight from $807 from Washington Dulles Intl. Airport (IAD) to Netaji Subhash Chandra Bose Intl. Airport (CCU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Netaji Subhash Chandra Bose Intl. Airport (CCU)?
Planning your getaway for January can help you save, as it's the cheapest month for flights between IAD and CCU. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Netaji Subhash Chandra Bose Intl. Airport (CCU)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from IAD to CCU. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Netaji Subhash Chandra Bose Intl. Airport (CCU)?
You'll have to take a flight with a layover if you're traveling from Washington Dulles Intl. Airport (IAD) to Netaji Subhash Chandra Bose Intl. Airport (CCU). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from IAD to CCU?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Netaji Subhash Chandra Bose Intl. Airport (CCU)?
To reach Netaji Subhash Chandra Bose Intl. Airport (CCU) on time, opt for a flight that takes off from Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Netaji Subhash Chandra Bose Intl. Airport (CCU) last-minute?
Booking your ticket from IAD to CCU right before your journey is typically more expensive. But if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book an IAD to CCU flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAD to CCU flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the hassle out of travel planning. Just secure your flights and select from our wide range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Netaji Subhash Chandra Bose Intl. Airport (CCU)?
You can usually reschedule or cancel your IAD to CCU flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Netaji Subhash Chandra Bose Intl.
Airlines serving
Air France, British Airways, Emirates, Etihad Airways, KLM, Lufthansa, Malaysia Airlines, Qatar Airways, Swiss International Air Lines, Turkish Airlines, Virgin Atlantic
Roundtrip price
$807
Distance
8083 mi

Book with confidence

Washington to Kolkata Flights

The cheapest times to fly from Washington to Kolkata

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Kolkata are during the month of January. You can find some of the cheapest flights from Washington to Kolkata with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Kolkata

Sunday is one of the best days to book for cheap flights from Washington to Kolkata: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Kolkata

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Kolkata in 2025. You can also book with separate airlines for your outbound and return journeys, from $501 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Kolkata flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Kolkata airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Kolkata Flights

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*Available to One Key members.