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$597+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap 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 January 20, 2026.

This Jetabroad deal was found by Cheapflights users on 1/18. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:55 pm
CCU
-
SEA
2 stops33h 03m
Multiple Airlines
Thu 10/110:41 pm
SEA
-
CCU
2 stops34h 04m
Multiple Airlines
Deal found 1/18$935
This Air France deal was found by Cheapflights users on 1/20. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/289:30 pm
CCU
-
SEA
2 stops27h 25m
Air France
Sun 3/12:10 pm
SEA
-
CCU
2 stops30h 25m
Air France
Deal found 1/20$957
This Air France deal was found by Cheapflights users on 1/18. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/314:20 pm
CCU
-
SEA
2 stops37h 48m
Air France
Sat 5/301:30 pm
SEA
-
CCU
2 stops27h 30m
Air France
Deal found 1/18$958
This Air France deal was found by Cheapflights users on 1/18. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/14:20 pm
CCU
-
SEA
2 stops31h 25m
Air France
Fri 5/291:30 pm
SEA
-
CCU
2 stops27h 30m
Air France
Deal found 1/18$959
This Jetabroad deal was found by Cheapflights users on 1/18. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/133:55 pm
CCU
-
SEA
2 stops33h 03m
Multiple Airlines
Mon 10/1210:41 pm
SEA
-
CCU
2 stops32h 44m
Multiple Airlines
Deal found 1/18$975
This oojo deal was found by Cheapflights users on 1/19. 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 4/2911:40 pm
CCU
-
SEA
1 stop21h 35m
Singapore Airlines
Tue 7/2810:15 am
SEA
-
CCU
1 stop23h 30m
Singapore Airlines
Deal found 1/19$977
This oojo deal was found by Cheapflights users on 1/19. 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 5/411:30 pm
CCU
-
SEA
2 stops27h 42m
Multiple Airlines
Thu 5/710:15 am
SEA
-
CCU
1 stop47h 30m
Multiple Airlines
Deal found 1/19$994
This Singapore Airlines deal was found by Cheapflights users on 1/18. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:40 pm
CCU
-
SEA
1 stop21h 35m
Multiple Airlines
Tue 7/289:25 pm
SEA
-
CCU
2 stops36h 40m
Multiple Airlines
Deal found 1/18$996
This Singapore Airlines deal was found by Cheapflights users on 1/17. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2511:40 pm
CCU
-
SEA
1 stop21h 00m
Singapore Airlines
Sun 5/3110:15 am
SEA
-
CCU
1 stop23h 50m
Singapore Airlines
Deal found 1/17$1,007
This oojo deal was found by Cheapflights users on 1/18. 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 7/2711:30 pm
CCU
-
SEA
1 stop21h 45m
Singapore Airlines
Thu 10/110:15 am
SEA
-
CCU
1 stop23h 30m
Singapore Airlines
Deal found 1/18$1,037
This KLM deal was found by Cheapflights users on 1/18. 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.
Thu 4/27:05 pm
CCU
-
SEA
2 stops29h 10m
Multiple Airlines
Sat 5/301:30 pm
SEA
-
CCU
2 stops27h 30m
Multiple Airlines
Deal found 1/18$1,051

Find 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 January 20, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$958
(Air France)

One-way from

$597
(Kiwi.com)

Popular in

January

Cheapest in

April

Average price

$2,179
Provider with most accurate pricing for Kolkata Netaji S. Chandra-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kolkata Netaji S. Chandra-Seattle/Tacoma Intl flights.
Search Deals
From Kolkata Netaji S. Chandra to Seattle/Tacoma Intl
Search Deals
One-way flight from Kolkata Netaji S. Chandra to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 20, 2026.
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

Wed 4/29

11:40 pm-8:45 am

1 stop21h 35m

Seattle/Tacoma Intl

Tue 7/28

10:15 am-10:15 pm

1 stop23h 30m

$982

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 5/4

11:30 pm-2:42 pm

2 stops27h 42m

Seattle/Tacoma Intl

Thu 5/7

10:15 am-10:15 pm

1 stop47h 30m

$994

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 4/29

11:40 pm-8:45 am

1 stop21h 35m

Seattle/Tacoma Intl

Tue 7/28

9:25 pm-10:35 pm

2 stops36h 40m

$996

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 6/1

8:35 pm-7:56 pm

2 stops35h 51m

Seattle/Tacoma Intl

Sun 10/18

9:50 pm-3:35 pm

2 stops29h 15m

$1,152

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 3/6

9:30 pm-7:16 pm

3 stops35h 16m

Seattle/Tacoma Intl

Thu 3/12

12:45 am-11:55 pm

3 stops34h 40m

$1,239

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 6/1

4:00 am-8:59 pm

2 stops29h 29m

Seattle/Tacoma Intl

Sun 10/18

4:25 pm-2:30 am

1 stop21h 35m

$1,256

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 7/13

4:00 am-12:25 pm

1 stop20h 55m

Seattle/Tacoma Intl

Mon 10/12

4:25 pm-2:30 am

1 stop21h 35m

$1,275

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 3/12

8:15 pm-12:35 pm

2 stops28h 50m

Seattle/Tacoma Intl

Tue 6/30

1:30 pm-4:45 am

2 stops26h 45m

$1,277

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 2/17

8:15 am-9:55 am

2 stops39h 10m

Seattle/Tacoma Intl

Sat 2/21

12:30 pm-3:10 pm

2 stops37h 10m

$1,280

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 3/17

12:30 am-8:48 pm

2 stops32h 48m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 17 results
1
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Compare providers for flights from Kolkata to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kolkata to Seattle in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kolkata-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Kolkata-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Kolkata-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kolkata-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kolkata-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 January 16, 2026.

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, June is the cheapest month in which you can book a flight from Kolkata to Seattle (average of $736). Flying from Kolkata to Seattle in August is currently the most expensive (average of $1,408). 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.

How much does it cost to fly round-trip from Kolkata to Seattle?

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 January 20, 2026.
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
3,484 reviews

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.
Emirates
8.1
Very good
3,484 reviews
Emirates
8.1
Very good
3,484 reviews

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.
Singapore Airlines
8.1
Very good
1,433 reviews
Emirates
8.1
Very good
3,484 reviews

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.
Qatar Airways
7.4
Good
3,720 reviews
Emirates
8.1
Very good
3,484 reviews

Food

7.9

Comfort

8.0

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.

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 35m. 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 ($642), Qatar Airways ($1,251), and Emirates ($1,326) offers the cheapest pricing from Kolkata to Seattle. Singapore Airlines is priced at 54% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Kolkata to Seattle one-way?

    The cheapest airline one-way is Singapore Airlines, with whom users have recently found tickets for as low as $350. However, be on the lookout for offers from Qatar Airways and Emirates, as they are both options that can get you from Kolkata to Seattle for a low price.

  • 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, June is the cheapest month in which you can book a flight from Kolkata to Seattle (average of $736). Flying from Kolkata to Seattle in August is currently the most expensive (average of $1,408). 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
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

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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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$642Average$1,157FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,251Average$1,320FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,326Average$1,370FlexibilityNo cancel feeOn-time75%

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