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Cheap flights from Washington to Kolkata from ₹ 29,403

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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CCU
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington to Kolkata

Enter your travel dates to find the best prices.

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

Tue 30/1223:59PDX - CCU
2 stops36h 26mMultiple Airlines
Wed 18/218:00CCU - PDX
2 stops40h 03mMultiple Airlines
Deal found 10/12₹ 122,031
Sun 28/1216:05SEA - CCU
1 stop20h 20mQatar Airways
Sun 18/103:25CCU - SEA
1 stop21h 45mQatar Airways
Deal found 12/12₹ 132,223
Wed 31/1216:05SEA - CCU
1 stop20h 20mMultiple Airlines
Tue 13/118:55CCU - SEA
3 stops40h 33mMultiple Airlines
Deal found 12/12₹ 133,936
Sun 28/1216:05SEA - CCU
1 stop20h 20mQatar Airways
Fri 16/103:25CCU - SEA
1 stop21h 45mQatar Airways
Deal found 12/12₹ 135,740
Tue 30/1216:05SEA - CCU
1 stop26h 05mMultiple Airlines
Tue 13/118:55CCU - SEA
3 stops39h 09mMultiple Airlines
Deal found 12/12₹ 135,830
Fri 26/1206:20PDX - CCU
2 stops30h 05mMultiple Airlines
Sun 1/318:00CCU - PDX
2 stops40h 03mMultiple Airlines
Deal found 12/12₹ 138,175
Wed 31/1216:05SEA - CCU
1 stop20h 20mMultiple Airlines
Sun 18/100:50CCU - SEA
2 stops51h 45mMultiple Airlines
Deal found 12/12₹ 139,348
Wed 31/1216:05SEA - CCU
1 stop20h 20mMultiple Airlines
Wed 14/100:50CCU - SEA
2 stops27h 45mMultiple Airlines
Deal found 12/12₹ 139,889
Sun 28/1223:00PDX - CCU
2 stops32h 45mMultiple Airlines
Tue 20/119:05CCU - PDX
2 stops35h 15mMultiple Airlines
Deal found 10/12₹ 140,340
Tue 30/1216:05SEA - CCU
1 stop26h 05mMultiple Airlines
Wed 14/100:50CCU - SEA
2 stops27h 45mMultiple Airlines
Deal found 12/12₹ 141,783
Wed 31/1216:05SEA - CCU
1 stop20h 20mQatar Airways
Sun 18/103:25CCU - SEA
1 stop21h 45mQatar Airways
Deal found 12/12₹ 142,144
Mon 29/1213:25PDX - CCU
2 stops28h 50mKLM
Sat 17/120:45CCU - PDX
2 stops28h 10mKLM
Deal found 10/12₹ 143,497

Find flight deals from Washington to Kolkata

Keep the following information in mind while searching for Washington to Kolkata flight deals. Data was last updated 12 December 2025.

Round-trip from

₹ 75,762

One-way from

₹ 29,403

Popular in

December

Cheapest in

September

Average price

₹ 147,375
Singapore Airlines
  • Singapore Airlines
  • 26/3-12/4
  • 2 total stops
  • 69h 55m total
  • Washington to Kolkata
Search Deals
Singapore Airlines
  • Singapore Airlines
  • 19/3
  • 1 total stop
  • 24h 10m total
  • Washington to Kolkata
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (₹ 771,329 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (₹ 380,883 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Washington 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 454,620 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from Washington to Kolkata that are best for you.

Fly from

Washington

Fly to

Kolkata

Route

Depart

Return

Price

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Wed 22/4

07:00-22:15

2 stops26h 45m

Kolkata Netaji S. Chandra

Wed 6/5

23:30-08:45

1 stop21h 45m

₹ 84,962

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Tue 21/4

19:10-12:55

2 stops29h 15m

Kolkata Netaji S. Chandra

Wed 6/5

19:05-17:15

2 stops34h 40m

₹ 90,283

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Fri 24/4

19:10-12:55

2 stops29h 15m

Kolkata Netaji S. Chandra

Wed 6/5

19:05-17:15

2 stops34h 40m

₹ 90,283

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Sun 1/3

19:00-15:45

2 stops31h 15m

Kolkata Netaji S. Chandra

Wed 4/3

21:30-17:05

2 stops33h 05m

₹ 90,734

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Mon 26/1

09:10-01:55

2 stops27h 15m

Kolkata Netaji S. Chandra

Tue 3/3

03:25-18:05

2 stops28h 10m

₹ 91,275

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Mon 26/1

10:30-01:55

2 stops25h 55m

Kolkata Netaji S. Chandra

Wed 4/3

03:25-18:05

2 stops28h 10m

₹ 91,275

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Thu 23/4

16:30-02:20

1 stop21h 20m

Kolkata Netaji S. Chandra

Wed 6/5

03:50-12:45

1 stop21h 25m

₹ 92,989

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Tue 27/1

13:40-07:45

2 stops28h 35m

Kolkata Netaji S. Chandra

Wed 25/2

18:30-11:40

2 stops30h 40m

₹ 94,161

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Mon 20/4

19:10-15:35

2 stops31h 55m

Kolkata Netaji S. Chandra

Mon 4/5

19:05-17:15

2 stops34h 40m

₹ 94,793

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Sun 19/4

19:10-12:55

2 stops29h 15m

Kolkata Netaji S. Chandra

Sun 3/5

19:05-17:15

2 stops34h 40m

₹ 94,793

Flights are sorted by cheapest return flights first.

Deals found on 9/12

Showing 1-10 of 45 results
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Best time to book a flight from Washington to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from Washington with our price prediction graph.
Estimated return 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 to Kolkata

What is the cheapest month to book a flight from State of Washington to Kolkata?

Currently, September is the cheapest month in which you can book a flight from State of Washington to Kolkata (average of ₹ 52,853). Flying from State of Washington to Kolkata in June is currently the most expensive (average of ₹ 98,400). 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.

Related info for your journey

Find useful and relevant information for your journey from Washington 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?

    If you book a flight to Kolkata from Washington, you will be flying to Netaji S. Chandra, which is the city’s only airport. Kolkata Netaji S. Chandra (CCU) is located 13.4 km from the centre of Kolkata.

  • How long is the flight from State of Washington to Kolkata?

    Departing from State of Washington to Kolkata will take you 21h 20m. State of Washington and Kolkata are separated by a distance of 11626 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from State of Washington to Kolkata?

    When deciding which route to take from State of Washington to Kolkata, consider Seattle/Tacoma Intl - Kolkata Netaji S. Chandra, Portland - Kolkata Netaji S. Chandra or Spokane - Kolkata Netaji S. Chandra, as they are the most popular.

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

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

  • How can I find direct flights from Washington to Kolkata?

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Kolkata?

    Currently, September is the cheapest month in which you can book a flight from State of Washington to Kolkata (average of ₹ 52,853). Flying from State of Washington to Kolkata in June is currently the most expensive (average of ₹ 98,400). 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 Washington to Kolkata

See prices for flight routes from nearby airports that may be better suited for you.
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When you search for this flight from Washington to Kolkata, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Washington to Kolkata?

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Can Cheapflights notify me if prices for flights from Washington to Kolkata become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Kolkata from Washington today and book when prices fit your budget.

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