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Cheap flights from Washington to Kolkata from ₹ 37,714

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CCU
14 Mar — 21 Mar1
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 February 2026.

Tue 19/510:15
SEA
-
CCU
1 stop23h 30m
Singapore Airlines
Thu 28/523:30
CCU
-
SEA
1 stop21h 45m
Singapore Airlines
Deal found 9/2₹ 53,489
Tue 19/507:00
SEA
-
CCU
2 stops26h 45m
Multiple Airlines
Thu 28/523:30
CCU
-
SEA
1 stop21h 45m
Multiple Airlines
Deal found 9/2₹ 74,975
Fri 24/410:15
SEA
-
CCU
1 stop23h 30m
Singapore Airlines
Sat 9/523:40
CCU
-
SEA
1 stop21h 35m
Singapore Airlines
Deal found 9/2₹ 80,052
Thu 26/309:45
SEA
-
CCU
1 stop24h 10m
Singapore Airlines
Thu 2/423:30
CCU
-
SEA
1 stop21h 45m
Singapore Airlines
Deal found 11/2₹ 84,585
Tue 20/1010:15
SEA
-
CCU
1 stop47h 50m
Singapore Airlines
Fri 13/1123:40
CCU
-
SEA
1 stop21h 00m
Singapore Airlines
Deal found 10/2₹ 87,123
Tue 20/1017:35
SEA
-
CCU
2 stops50h 20m
Multiple Airlines
Fri 13/1119:30
CCU
-
SEA
2 stops29h 25m
Multiple Airlines
Deal found 10/2₹ 87,576
Mon 23/315:10
SEA
-
CCU
2 stops25h 00m
Multiple Airlines
Mon 30/319:00
CCU
-
SEA
2 stops29h 15m
Multiple Airlines
Deal found 9/2₹ 87,667
Tue 10/307:05
PDX
-
CCU
2 stops53h 00m
Multiple Airlines
Tue 7/415:10
CCU
-
PDX
2 stops42h 10m
Multiple Airlines
Deal found 11/2₹ 87,939
Fri 27/309:45
SEA
-
CCU
1 stop24h 10m
Multiple Airlines
Fri 3/421:40
CCU
-
SEA
2 stops23h 50m
Multiple Airlines
Deal found 10/2₹ 88,120
Sun 5/410:15
SEA
-
CCU
1 stop23h 50m
Singapore Airlines
Sat 18/423:40
CCU
-
SEA
1 stop21h 35m
Singapore Airlines
Deal found 10/2₹ 89,299
Thu 26/310:44
SEA
-
CCU
2 stops29h 26m
Multiple Airlines
Thu 2/418:00
CCU
-
SEA
2 stops38h 24m
Multiple Airlines
Deal found 11/2₹ 89,752
Mon 13/413:05
PDX
-
CCU
2 stops30h 50m
KLM
Sun 26/420:45
CCU
-
PDX
2 stops26h 55m
KLM
Deal found 9/2₹ 93,016

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 February 2026.

Round-trip from

₹ 53,489

One-way from

₹ 37,714

Popular in

December

Cheapest in

September

Average price

₹ 91,747
Singapore Airlines
  • Singapore Airlines
  • 19/5-28/5
  • 2 total stops
  • 45h 15m total
  • Washington to Kolkata
Search Deals
2/3
  • 2/3
  • 2 total stops
  • 31h 45m total
  • Washington to Kolkata
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (₹ 486,919 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (₹ 322,029 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 February 2026.
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

Tue 19/5

10:15-22:15

1 stop23h 30m

Kolkata Netaji S. Chandra

Thu 28/5

23:30-08:45

1 stop21h 45m

₹ 53,489

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Tue 19/5

07:00-22:15

2 stops26h 45m

Kolkata Netaji S. Chandra

Thu 28/5

23:30-08:45

1 stop21h 45m

₹ 74,975

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Fri 24/4

10:15-22:15

1 stop23h 30m

Kolkata Netaji S. Chandra

Sat 9/5

23:40-08:45

1 stop21h 35m

₹ 80,324

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Thu 26/3

09:45-22:25

1 stop24h 10m

Kolkata Netaji S. Chandra

Thu 2/4

23:30-08:45

1 stop21h 45m

₹ 84,585

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Tue 10/3

07:05-00:35

2 stops53h 00m

Kolkata Netaji S. Chandra

Tue 7/4

15:10-20:50

2 stops42h 10m

₹ 87,939

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Sun 5/4

10:15-22:35

1 stop23h 50m

Kolkata Netaji S. Chandra

Sat 18/4

23:40-08:45

1 stop21h 35m

₹ 89,299

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Thu 26/3

10:44-04:40

2 stops29h 26m

Kolkata Netaji S. Chandra

Thu 2/4

18:00-19:54

2 stops38h 24m

₹ 89,752

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Mon 13/4

13:05-08:25

2 stops30h 50m

Kolkata Netaji S. Chandra

Sun 26/4

20:45-11:10

2 stops26h 55m

₹ 93,016

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Sat 7/3

07:05-19:55

2 stops47h 20m

Kolkata Netaji S. Chandra

Tue 7/4

17:30-20:50

2 stops39h 50m

₹ 93,378

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Sun 8/3

07:25-04:40

2 stops32h 45m

Kolkata Netaji S. Chandra

Wed 8/4

18:00-20:50

2 stops39h 20m

₹ 93,832

Flights are sorted by cheapest return flights first.

Deals found on 9/2

Showing 1-10 of 30 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 ₹ 46,145). Flying from State of Washington to Kolkata in December is currently the most expensive (average of ₹ 93,922). 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 23h 30m. 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 Portland - Kolkata Netaji S. Chandra, Seattle/Tacoma Intl - 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 ₹ 46,145). Flying from State of Washington to Kolkata in December is currently the most expensive (average of ₹ 93,922). 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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Fly with Cheapflights

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How does Cheapflights help users find flights from Washington to Kolkata?

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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Yes! Cheapflights helps users easily find flights from Washington to Kolkata with no change fees.

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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