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$491+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 January or April, booked 90 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap flight deals from Kolkata to Seattle

Best flights from Kolkata to Seattle
Discover carefully curated flight deals from Kolkata to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This oojo deal was found by Cheapflights users on 12/16. 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.
Fri 5/2211:30 pmCCU - SEA
1 stop21h 45mSingapore Airlines
Sun 7/2610:15 amSEA - CCU
1 stop23h 30mSingapore Airlines
Deal found 12/16$1,021
This Singapore Airlines deal was found by Cheapflights users on 12/16. 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 4/2911:30 pmCCU - SEA
2 stops29h 18mMultiple Airlines
Tue 7/289:25 pmSEA - CCU
2 stops36h 20mMultiple Airlines
Deal found 12/16$1,026
This oojo deal was found by Cheapflights users on 12/16. 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 4/2911:30 pmCCU - SEA
1 stop21h 45mSingapore Airlines
Tue 7/2810:15 amSEA - CCU
1 stop23h 30mSingapore Airlines
Deal found 12/16$1,022
This Trip.com deal was found by Cheapflights users on 12/16. 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.
Mon 3/91:55 amCCU - SEA
2 stops29h 05mMultiple Airlines
Sat 7/251:10 amSEA - CCU
2 stops35h 05mMultiple Airlines
Deal found 12/16$1,132
This Trip.com deal was found by Cheapflights users on 12/16. 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.
Thu 5/212:00 amCCU - SEA
2 stops53h 20mMultiple Airlines
Sat 7/251:10 amSEA - CCU
2 stops35h 05mMultiple Airlines
Deal found 12/16$1,161
This FlightHub deal was found by Cheapflights users on 12/16. 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 3/1011:40 pmCCU - SEA
1 stop45h 00mSingapore Airlines
Sun 7/2610:15 amSEA - CCU
1 stop23h 30mSingapore Airlines
Deal found 12/16$1,209

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$850
(Expedia)

One-way from

$491
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$1,272
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. 7% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 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

Fri 5/22

11:30 pm-8:45 am

1 stop21h 45m

Seattle/Tacoma Intl

Sun 7/26

10:15 am-10:15 pm

1 stop23h 30m

$1,021

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 4/29

11:30 pm-8:45 am

1 stop21h 45m

Seattle/Tacoma Intl

Tue 7/28

10:15 am-10:15 pm

1 stop23h 30m

$1,022

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 4/29

11:30 pm-4:18 pm

2 stops29h 18m

Seattle/Tacoma Intl

Tue 7/28

9:25 pm-10:15 pm

2 stops36h 20m

$1,026

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 3/9

1:55 am-6:30 pm

2 stops29h 05m

Seattle/Tacoma Intl

Sat 7/25

1:10 am-12:45 am

2 stops35h 05m

$1,132

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 5/21

2:00 am-6:50 pm

2 stops53h 20m

Seattle/Tacoma Intl

Sat 7/25

1:10 am-12:45 am

2 stops35h 05m

$1,161

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 3/10

11:40 pm-8:10 am

1 stop45h 00m

Seattle/Tacoma Intl

Sun 7/26

10:15 am-10:15 pm

1 stop23h 30m

$1,209

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 2/14

1:05 am-3:05 pm

3 stops51h 30m

$491

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 1/29

11:00 pm-9:58 pm

3 stops36h 28m

$492

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 1/27

1:05 am-3:05 pm

3 stops51h 30m

$495

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 1/26

11:05 pm-3:05 pm

3 stops53h 30m

$495

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 16 results
1
2

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 December.
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 December 12, 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, 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 $1,407). 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 December 18, 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
3,440 reviews

Crew

8.3

Boarding

8.1

Food

7.9

Overall

8.1

Entertainment

8.2

Comfort

8.0

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
3,440 reviews
Emirates
8.1
Very good
3,440 reviews

Crew

8.3

Boarding

8.1

Food

7.9

Overall

8.1

Entertainment

8.2

Comfort

8.0

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
1,414 reviews
Emirates
8.1
Very good
3,440 reviews

Crew

8.3

Boarding

8.1

Food

7.9

Overall

8.1

Entertainment

8.2

Comfort

8.0

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
3,686 reviews
Emirates
8.1
Very good
3,440 reviews

Crew

8.3

Boarding

8.1

Food

7.9

Overall

8.1

Entertainment

8.2

Comfort

8.0

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 45m. The distance from Kolkata to Seattle is about 7224 mi.

  • 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 ($1,329) offers the cheapest pricing from Kolkata to Seattle. Singapore Airlines is priced at 51% 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 $1,407). 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
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Puyallup
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Kent
Tukwila
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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$772Average$1,161FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,251Average$1,323FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,329Average$1,371FlexibilityNo cancel feeOn-time75%

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