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$446+ Cheap flights from Kolkata (CCU) to Seattle (SEA)

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheapflights Tip: The best prices from Kolkata Netaji S. Chandra to Seattle/Tacoma Intl are usually found in November or January, booked 90 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap flight deals from Kolkata to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Kolkata (CCU) to Seattle (SEA). 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 August 20, 2025.

Round-trip from

$1,015
(KLM)

One-way from

$446
(Expedia)

Popular in

August

Cheapest in

November

Average price

$1,542
From Kolkata Netaji S. Chandra to Seattle/Tacoma Intl
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One-way flight from Kolkata Netaji S. Chandra to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 2% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Kolkata to Seattle

Cheapest flights from Kolkata to Seattle
Explore the most affordable flight options available from Kolkata to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This KLM deal was found by Cheapflights users on 8/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:30 pmCCU - SEA
2 stops30h 45mKLM
Sun 4/51:30 pmSEA - CCU
2 stops29h 40mKLM
Deal found 8/20$1,015
This Trip.com deal was found by Cheapflights users on 8/20. 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.
Sat 12/2012:30 amCCU - SEA
2 stops31h 10mMultiple Airlines
Sat 6/131:10 amSEA - CCU
2 stops34h 19mMultiple Airlines
Deal found 8/20$1,118
This FlightHub deal was found by Cheapflights users on 8/20. 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.
Thu 9/113:50 amCCU - SEA
1 stop21h 25mQatar Airways
Thu 9/1810:11 amSEA - CCU
2 stops27h 39mQatar Airways
Deal found 8/20$1,159
This Booking.com deal was found by Cheapflights users on 8/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/21:55 amCCU - SEA
2 stops29h 45mMultiple Airlines
Sat 4/412:30 amSEA - CCU
2 stops35h 45mMultiple Airlines
Deal found 8/20$1,197
This Orbitz deal was found by Cheapflights users on 8/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:55 pmCCU - SEA
2 stops31h 14mMultiple Airlines
Thu 9/188:08 pmSEA - CCU
2 stops35h 52mMultiple Airlines
Deal found 8/20$1,216
This Booking.com deal was found by Cheapflights users on 8/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/201:55 amCCU - SEA
2 stops29h 45mMultiple Airlines
Fri 6/191:50 amSEA - CCU
2 stops34h 25mMultiple Airlines
Deal found 8/20$1,221
This oojo deal was found by Cheapflights users on 8/20. 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 11/311:40 pmCCU - SEA
1 stop21h 00mSingapore Airlines
Sun 4/510:15 amSEA - CCU
1 stop23h 30mSingapore Airlines
Deal found 8/20$1,227
This oojo deal was found by Cheapflights users on 8/20. 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.
Sun 12/2111:40 pmCCU - SEA
2 stops26h 20mSingapore Airlines
Sun 6/1410:15 amSEA - CCU
1 stop47h 30mSingapore Airlines
Deal found 8/20$1,278
This Qatar Airways deal was found by Cheapflights users on 8/20. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/23:25 amCCU - SEA
1 stop21h 45mQatar Airways
Sun 4/54:30 pmSEA - CCU
1 stop21h 20mQatar Airways
Deal found 8/20$1,283

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kolkata to Seattle 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 August 20, 2025.
Use the filters below to find and compare flights from Kolkata to Seattle that are best for you.

Fly from

Kolkata

Fly to

Seattle

Route

Depart

Return

Price

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 11/3

6:30 pm-11:45 am

2 stops30h 45m

Seattle/Tacoma Intl

Sun 4/5

1:30 pm-7:40 am

2 stops29h 40m

$1,015

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 12/20

12:30 am-6:10 pm

2 stops31h 10m

Seattle/Tacoma Intl

Sat 6/13

1:10 am-11:59 pm

2 stops34h 19m

$1,118

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 9/11

3:50 am-12:45 pm

1 stop21h 25m

Seattle/Tacoma Intl

Thu 9/18

10:11 am-2:20 am

2 stops27h 39m

$1,159

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 11/2

1:55 am-6:10 pm

2 stops29h 45m

Seattle/Tacoma Intl

Sat 4/4

12:30 am-12:45 am

2 stops35h 45m

$1,197

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 9/12

7:55 pm-2:39 pm

2 stops31h 14m

Seattle/Tacoma Intl

Thu 9/18

8:08 pm-8:30 pm

2 stops35h 52m

$1,216

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 12/20

1:55 am-6:10 pm

2 stops29h 45m

Seattle/Tacoma Intl

Fri 6/19

1:50 am-12:45 am

2 stops34h 25m

$1,221

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 11/3

11:40 pm-7:10 am

1 stop21h 00m

Seattle/Tacoma Intl

Sun 4/5

10:15 am-10:15 pm

1 stop23h 30m

$1,227

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 12/21

11:40 pm-12:30 pm

2 stops26h 20m

Seattle/Tacoma Intl

Sun 6/14

10:15 am-10:15 pm

1 stop47h 30m

$1,278

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 11/2

3:25 am-11:40 am

1 stop21h 45m

Seattle/Tacoma Intl

Sun 4/5

4:30 pm-2:20 am

1 stop21h 20m

$1,283

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 11/3

11:40 pm-7:10 am

1 stop21h 00m

$446

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 15 results
1
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Best time to book a flight from Kolkata to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Kolkata 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 Kolkata to Seattle

How far ahead should I book a flight from Kolkata to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Kolkata to Seattle. Price data was last updated on August 8, 2025.

The best time to book flights from Kolkata to Seattle is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Kolkata to Seattle?

Currently, January is the cheapest month in which you can book a flight from Kolkata to Seattle (average of $238). Flying from Kolkata to Seattle in June is currently the most expensive (average of $388). 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.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated August 20, 2025.
Peruse reviews from past customers who have flown with Emirates, Singapore Airlines, and Qatar Airways from Kolkata to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,317 reviews

Food

7.8

Boarding

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Emirates
8.1
Very good
3,317 reviews
Emirates
8.1
Very good
3,317 reviews

Food

7.8

Boarding

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Singapore Airlines
8.1
Very good
1,347 reviews
Emirates
8.1
Very good
3,317 reviews

Food

7.8

Boarding

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Qatar Airways
7.4
Good
3,611 reviews
Emirates
8.1
Very good
3,317 reviews

Food

7.8

Boarding

8.1

Crew

8.3

Comfort

8.0

Entertainment

8.2

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Related info for your journey

Find useful and relevant information for your journey from Kolkata to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kolkata to Seattle?

    Departing from Kolkata to Seattle will take you 21h 25m. The distance from Kolkata to Seattle is about 7224 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Kolkata to Seattle round-trip?

    According to our current data, Singapore Airlines ($772), Qatar Airways ($1,285), and Emirates ($1,329) offers the cheapest pricing from Kolkata to Seattle. Singapore Airlines is priced at 44% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kolkata to Seattle 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 Kolkata to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Kolkata to Seattle (average of $238). Flying from Kolkata to Seattle in June is currently the most expensive (average of $388). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
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Alternative routes for Kolkata to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Kolkata to Portland flights

Top 3 airlines flying from Kolkata to Seattle

Discover the top 3 airlines that operate flights from Kolkata to Seattle. 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$772Average$1,249FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,285Average$1,351FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,329Average$1,371FlexibilityNo cancel feeOn-time75%

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