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$636+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
Jul 19 — Jul 261
Sun 7/19
Sun 7/26
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 June 19, 2026.

This Etihad Airways deal was found by Cheapflights users on 6/15. 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.
Mon 7/63:50 am
CCU
-
SEA
2 stops42h 07m
Multiple Airlines
Fri 11/1311:42 am
SEA
-
CCU
2 stops25h 28m
Multiple Airlines
Deal found 6/15$1,062
This KLM deal was found by Cheapflights users on 6/15. 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 7/69:40 pm
CCU
-
SEA
2 stops31h 10m
KLM
Sat 11/71:40 pm
SEA
-
CCU
2 stops28h 35m
KLM
Deal found 6/15$1,192
This KLM deal was found by Cheapflights users on 6/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:00 pm
CCU
-
SEA
2 stops29h 22m
Multiple Airlines
Mon 1/252:15 pm
SEA
-
CCU
2 stops28h 00m
Multiple Airlines
Deal found 6/19$1,193
This Trip.com deal was found by Cheapflights users on 6/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/61:00 am
CCU
-
SEA
2 stops31h 15m
Multiple Airlines
Tue 11/312:10 am
SEA
-
CCU
2 stops35h 00m
Multiple Airlines
Deal found 6/18$1,212
This Trip.com deal was found by Cheapflights users on 6/16. 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.
Sun 7/192:35 am
CCU
-
SEA
2 stops29h 40m
Multiple Airlines
Sun 11/112:10 am
SEA
-
CCU
2 stops35h 00m
Multiple Airlines
Deal found 6/16$1,231
This Trip.com deal was found by Cheapflights users on 6/16. 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 7/1312:30 am
CCU
-
SEA
2 stops31h 45m
Multiple Airlines
Mon 10/51:15 am
SEA
-
CCU
2 stops34h 05m
Multiple Airlines
Deal found 6/16$1,233
This Gotogate deal was found by Cheapflights users on 6/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:00 am
CCU
-
SEA
2 stops29h 30m
Multiple Airlines
Sat 11/2812:10 am
SEA
-
CCU
2 stops35h 00m
Multiple Airlines
Deal found 6/15$1,236
This Air France deal was found by Cheapflights users on 6/15. 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.
Mon 7/69:40 pm
CCU
-
SEA
2 stops31h 10m
Multiple Airlines
Sat 11/71:40 pm
SEA
-
CCU
2 stops28h 35m
Multiple Airlines
Deal found 6/15$1,237
This KLM deal was found by Cheapflights users on 6/15. 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.
Wed 7/810:30 pm
CCU
-
SEA
2 stops25h 33m
KLM
Sat 11/71:40 pm
SEA
-
CCU
2 stops28h 35m
KLM
Deal found 6/15$1,238
This Trip.com deal was found by Cheapflights users on 6/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:30 am
CCU
-
SEA
2 stops31h 50m
Multiple Airlines
Sun 11/2912:10 am
SEA
-
CCU
2 stops34h 15m
Multiple Airlines
Deal found 6/17$1,249
This Gotogate deal was found by Cheapflights users on 6/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:00 am
CCU
-
SEA
2 stops30h 20m
Multiple Airlines
Thu 8/272:10 am
SEA
-
CCU
2 stops34h 05m
Multiple Airlines
Deal found 6/18$1,250
This Trip.com deal was found by Cheapflights users on 6/15. 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 7/62:00 am
CCU
-
SEA
2 stops29h 40m
Multiple Airlines
Sat 11/711:30 pm
SEA
-
CCU
2 stops35h 40m
Multiple Airlines
Deal found 6/15$1,264

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 June 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,062
(Etihad Airways)

One-way from

$636
(Air France)

Popular in

August

Cheapest in

January

Average price

$1,357
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. 14% potential increase in price ($229 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 19, 2026.
Use the filters below to find and compare flights from Kolkata to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 7/8

9:50 am-1:25 pm

1 stop40h 05m

Seattle/Tacoma Intl

Mon 11/9

4:05 pm-6:50 pm

1 stop37h 15m

$1,443
Quickest round-trip

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 7/12

1:30 am-1:25 pm

1 stop24h 25m

Seattle/Tacoma Intl

Thu 10/29

5:05 pm-7:40 am

1 stop26h 05m

$1,443

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 7/22

8:55 pm-1:25 pm

1 stop29h 00m

Seattle/Tacoma Intl

Thu 10/29

5:05 pm-6:50 pm

1 stop37h 15m

$1,452

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 10/10

8:55 pm-1:25 pm

1 stop29h 00m

Seattle/Tacoma Intl

Mon 1/25

4:05 pm-7:40 am

1 stop26h 05m

$1,463

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 10/12

9:00 pm-11:35 am

2 stops51h 05m

Seattle/Tacoma Intl

Thu 1/28

1:25 pm-11:10 am

2 stops32h 15m

$1,470

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 10/10

7:15 pm-11:35 am

2 stops52h 50m

Seattle/Tacoma Intl

Sat 1/23

1:35 pm-11:10 am

2 stops32h 05m

$1,470

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 7/15

1:30 am-1:25 pm

1 stop24h 25m

Seattle/Tacoma Intl

Mon 1/4

4:05 pm-6:50 pm

1 stop37h 15m

$1,485

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 7/17

1:30 am-1:25 pm

1 stop24h 25m

Seattle/Tacoma Intl

Wed 9/30

5:15 pm-8:10 am

1 stop26h 25m

$1,490

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 7/20

9:50 am-1:25 pm

1 stop40h 05m

Seattle/Tacoma Intl

Fri 1/1

4:05 pm-7:40 am

1 stop26h 05m

$1,524

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 7/3

1:30 am-1:25 pm

1 stop24h 25m

Seattle/Tacoma Intl

Sat 11/7

4:05 pm-7:40 am

1 stop26h 05m

$1,527

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Indian EaglePrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kolkata-Seattle flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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 $1,037). Flying from Kolkata to Seattle in August is currently the most expensive (average of $1,783). 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 June 19, 2026.
Peruse reviews from past customers who have flown with 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.
Singapore Airlines
8.2
Very good
1,545 reviews

Entertainment

8.1

Crew

8.6

Boarding

8.3

Overall

8.2

Comfort

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Singapore Airlines
8.2
Very good
1,545 reviews
Singapore Airlines
8.2
Very good
1,545 reviews

Entertainment

8.1

Crew

8.6

Boarding

8.3

Overall

8.2

Comfort

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Qatar Airways
7.3
Good
3,729 reviews
Singapore Airlines
8.2
Very good
1,545 reviews

Entertainment

8.1

Crew

8.6

Boarding

8.3

Overall

8.2

Comfort

8.0

Food

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

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 31h 10m. 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 ($968), and Qatar Airways ($1,232) offers the cheapest pricing from Kolkata to Seattle. Singapore Airlines is priced at 26% 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 $1,037). Flying from Kolkata to Seattle in August is currently the most expensive (average of $1,783). 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
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Marysville

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 2 airlines flying from Kolkata to Seattle

Discover the top 2 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 June 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$968Average$1,217FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,232Average$1,303FlexibilityNo cancel feeOn-time68%

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