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$513+ Cheap flights from Washington 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CCU
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Washington to Kolkata

Keep the following information in mind while searching for Washington to Kolkata flight deals. Data was last updated July 31, 2025.

Round-trip from

$781
(FlightHub)

One-way from

$513
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,451
From Washington to Kolkata Netaji S. Chandra
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One-way flight from Washington to Kolkata Netaji S. Chandra
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Highest demand for flights based on searches. 17% potential increase in price ($264 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($85 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Washington to Kolkata

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 July 31, 2025.

This FlightHub deal was found by Cheapflights users on 7/31. 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.
Sat 11/19:45 amSEA - CCU
1 stop24h 10mSingapore Airlines
Sat 11/1511:40 pmCCU - SEA
1 stop21h 00mSingapore Airlines
Deal found 7/31$781
This oojo deal was found by Cheapflights users on 7/30. 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.
Wed 10/111:59 pmSEA - CCU
2 stops28h 21mAir India
Tue 10/216:25 amCCU - SEA
2 stops52h 15mAir India
Deal found 7/30$922
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2611:35 pmSEA - CCU
2 stops35h 54mMultiple Airlines
Fri 10/1012:30 amCCU - SEA
2 stops55h 15mMultiple Airlines
Deal found 7/29$1,026
This FlightHub deal was found by Cheapflights users on 7/29. 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 11/247:00 pmSEA - CCU
2 stops31h 20mTurkish Airlines
Sun 12/1410:30 pmCCU - SEA
2 stops32h 05mTurkish Airlines
Deal found 7/29$1,050
This FlightHub deal was found by Cheapflights users on 7/30. 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.
Tue 11/43:29 pmPDX - CCU
2 stops41h 26mSingapore Airlines
Wed 3/1111:40 pmCCU - PDX
2 stops26h 09mSingapore Airlines
Deal found 7/30$1,116
This FlightHub deal was found by Cheapflights users on 7/29. 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.
Wed 9/2411:18 amPDX - CCU
2 stops26h 32mQatar Airways
Tue 10/213:50 amCCU - PDX
2 stops29h 25mQatar Airways
Deal found 7/29$1,225
This Etihad Airways deal was found by Cheapflights users on 7/29. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/246:07 amPDX - CCU
2 stops32h 23mMultiple Airlines
Wed 10/229:30 pmCCU - PDX
2 stops38h 06mMultiple Airlines
Deal found 7/29$1,318
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/49:50 amPDX - CCU
3 stops33h 40mLufthansa
Wed 3/119:20 pmCCU - PDX
3 stops33h 40mLufthansa
Deal found 7/30$1,429
This Ovago deal was found by Cheapflights users on 7/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:25 pmPDX - CCU
2 stops26h 35mBritish Airways
Fri 10/102:00 amCCU - PDX
3 stops52h 26mBritish Airways
Deal found 7/29$1,764

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated July 31, 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 10/1

11:59 pm-4:50 pm

2 stops28h 21m

Kolkata Netaji S. Chandra

Tue 10/21

6:25 am-10:10 pm

2 stops52h 15m

$922

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Fri 9/26

11:35 pm-11:59 pm

2 stops35h 54m

Kolkata Netaji S. Chandra

Fri 10/10

12:30 am-7:15 pm

2 stops55h 15m

$1,026

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Fri 10/17

10:15 am-10:15 pm

1 stop47h 30m

Kolkata Netaji S. Chandra

Tue 1/13

11:40 pm-7:10 am

1 stop45h 00m

$1,039

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Tue 11/4

3:29 pm-10:25 pm

2 stops41h 26m

Kolkata Netaji S. Chandra

Wed 3/11

11:40 pm-1:19 pm

2 stops26h 09m

$1,116

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Tue 10/21

7:10 pm-12:55 pm

2 stops29h 15m

Kolkata Netaji S. Chandra

Sat 10/25

10:15 pm-6:05 pm

2 stops32h 20m

$1,145

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Wed 9/24

11:18 am-2:20 am

2 stops26h 32m

Kolkata Netaji S. Chandra

Tue 10/21

3:50 am-8:45 pm

2 stops29h 25m

$1,225

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Wed 10/8

8:25 pm-4:20 pm

2 stops55h 25m

Kolkata Netaji S. Chandra

Sat 10/11

2:00 am-8:55 pm

2 stops31h 25m

$1,279

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Wed 9/24

6:07 am-3:00 am

2 stops32h 23m

Kolkata Netaji S. Chandra

Wed 10/22

9:30 pm-11:06 pm

2 stops38h 06m

$1,318

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Tue 11/4

9:50 am-9:00 am

3 stops33h 40m

Kolkata Netaji S. Chandra

Wed 3/11

9:20 pm-6:30 pm

3 stops33h 40m

$1,429

PortlandKolkata

PDX - CCU

PDXCCU

Portland

Fri 9/26

7:25 pm-10:30 am

2 stops26h 35m

Kolkata Netaji S. Chandra

Fri 10/10

2:00 am-5:56 pm

3 stops52h 26m

$1,764

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 18 results
1
2

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 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 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 $965). Flying from State of Washington to Kolkata in December is currently the most expensive (average of $1,647). 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 WA to CCU?

Find hourly flight availability from Washington 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 July 31, 2025.

When flying from State of Washington to Kolkata, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from State of Washington 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 July 31, 2025.
Peruse reviews from past customers who have flown with Singapore Airlines, KLM, and Qatar Airways from Washington to Kolkata to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,338 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very good
1,338 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
KLM
7.8
Good
1,383 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Qatar Airways
7.4
Good
3,609 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Virgin Atlantic
7.4
Good
655 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Turkish Airlines
7.3
Good
3,933 reviews
Singapore Airlines
8.1
Very good
1,338 reviews

Overall

8.1

Boarding

8.2

Food

7.7

Entertainment

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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?

    For a flight from Washington to Kolkata, you will be flying into Netaji S. Chandra. Kolkata Netaji S. Chandra (CCU) is just 8.3 mi from the center of the city.

  • What are the cheapest airlines to fly from State of Washington to Kolkata one-way?

    For one-way options, check prices for Air India. According to our data, you can fly for as low as $546. Users have also found prices from $642 and $744 on Turkish Airlines and Qatar Airways, respectively.

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

    The most popular route from State of Washington to Kolkata is Seattle/Tacoma Intl - Kolkata Netaji S. Chandra. You may also consider Portland - Kolkata Netaji S. Chandra or Spokane - Kolkata Netaji S. Chandra.

  • 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 vacation 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 $965). Flying from State of Washington to Kolkata in December is currently the most expensive (average of $1,647). 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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Top 4 airlines flying from Washington to Kolkata

Discover the top 4 airlines that operate flights from Washington 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$760Average$1,184FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$1,137Average$1,448FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,334Average$3,159FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,497Average$2,654FlexibilityNo cancel feeOn-time75%

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