Seattle

$558+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
Apr 8 — Apr 151
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Kolkata Netaji S. Chandra to Seattle/Tacoma Intl are usually found in February or December, 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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,199
(Orbitz)

One-way from

$558
(Trip.com)

Popular in

August

Cheapest in

February

Average price

$1,375
Provider with most accurate pricing for Kolkata Netaji S. Chandra-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Kolkata Netaji S. Chandra-Seattle/Tacoma Intl flights.
From Kolkata Netaji S. Chandra to Seattle/Tacoma Intl
One-way flight from Kolkata Netaji S. Chandra to Seattle/Tacoma Intl
Highest demand for flights based on searches. 9% potential increase in price ($167 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($51 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 April 3, 2025.

This Orbitz deal was found by Cheapflights users on 4/1. 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.
Wed 5/288:55 pmCCU - SEA
2 stops30h 13mMultiple Airlines
Wed 10/226:00 amSEA - CCU
2 stops25h 15mMultiple Airlines
Deal found 4/1$1,199
This KLM deal was found by Cheapflights users on 4/1. 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 5/224:00 pmCCU - SEA
2 stops32h 10mKLM
Tue 9/91:55 pmSEA - CCU
2 stops32h 20mKLM
Deal found 4/1$1,212
This Yatra.com deal was found by Cheapflights users on 4/1. 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 Yatra.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/910:00 pmCCU - SEA
2 stops30h 15mVirgin Atlantic
Sun 4/205:35 pmSEA - CCU
2 stops33h 30mVirgin Atlantic
Deal found 4/1$1,228
This Ovago deal was found by Cheapflights users on 4/1. 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 5/308:35 pmCCU - SEA
2 stops26h 20mJapan Airlines
Thu 10/231:30 pmSEA - CCU
2 stops34h 50mJapan Airlines
Deal found 4/1$1,347
This Emirates deal was found by Cheapflights users on 4/1. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/229:45 amCCU - SEA
1 stop40h 10mEmirates
Tue 9/95:15 pmSEA - CCU
1 stop26h 25mEmirates
Deal found 4/1$1,351
This Ovago deal was found by Cheapflights users on 4/1. 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.
Mon 5/263:50 amCCU - SEA
2 stops28h 40mQatar Airways
Thu 10/234:30 pmSEA - CCU
1 stop21h 20mQatar Airways
Deal found 4/1$1,368
This Singapore Airlines deal was found by Cheapflights users on 4/1. 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.
Sun 5/1811:30 pmCCU - SEA
2 stops46h 09mSingapore Airlines
Fri 10/2410:15 amSEA - CCU
1 stop23h 30mSingapore Airlines
Deal found 4/1$1,406
This British Airways deal was found by Cheapflights users on 4/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/92:00 amCCU - SEA
2 stops28h 50mBritish Airways
Sat 4/198:20 pmSEA - CCU
2 stops25h 40mBritish Airways
Deal found 4/1$1,425
This oojo deal was found by Cheapflights users on 4/1. 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 5/212:00 amCCU - SEA
2 stops30h 00mThai Airways
Mon 9/81:30 amSEA - CCU
2 stops34h 45mThai Airways
Deal found 4/1$1,558
This Turkish Airlines deal was found by Cheapflights users on 4/1. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/229:15 pmCCU - SEA
2 stops32h 30mTurkish Airlines
Fri 10/247:10 pmSEA - CCU
2 stops27h 25mTurkish Airlines
Deal found 4/1$1,616

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 April 3, 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

Wed 5/28

8:55 pm-2:38 pm

2 stops30h 13m

Seattle/Tacoma Intl

Wed 10/22

6:00 am-7:45 pm

2 stops25h 15m

$1,199

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 5/22

4:00 pm-11:40 am

2 stops32h 10m

Seattle/Tacoma Intl

Tue 9/9

1:55 pm-10:45 am

2 stops32h 20m

$1,212

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 5/30

8:35 pm-10:25 am

2 stops26h 20m

Seattle/Tacoma Intl

Thu 10/23

1:30 pm-12:50 pm

2 stops34h 50m

$1,347

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 5/22

9:45 am-1:25 pm

1 stop40h 10m

Seattle/Tacoma Intl

Tue 9/9

5:15 pm-8:10 am

1 stop26h 25m

$1,351

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 5/26

3:50 am-8:00 pm

2 stops28h 40m

Seattle/Tacoma Intl

Thu 10/23

4:30 pm-2:20 am

1 stop21h 20m

$1,368

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 5/18

11:30 pm-9:09 am

2 stops46h 09m

Seattle/Tacoma Intl

Thu 10/23

10:15 am-10:15 pm

1 stop23h 30m

$1,406

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 5/21

2:00 am-7:30 pm

2 stops30h 00m

Seattle/Tacoma Intl

Mon 9/8

1:30 am-12:45 am

2 stops34h 45m

$1,558

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 4/13

9:15 pm-3:45 pm

2 stops31h 00m

Seattle/Tacoma Intl

Thu 5/15

8:20 pm-6:45 pm

2 stops33h 55m

$1,594

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 5/29

7:30 pm-11:35 am

2 stops28h 35m

Seattle/Tacoma Intl

Sun 10/19

1:30 pm-6:45 pm

2 stops40h 45m

$1,603

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 5/22

9:15 pm-5:15 pm

2 stops32h 30m

Seattle/Tacoma Intl

Sat 10/25

12:30 pm-12:35 pm

2 stops35h 35m

$1,616

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 21 results
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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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 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

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 March 28, 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 July is currently the most expensive (average of $411). 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.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 April 3, 2025.
See what other customers who have flown with Japan Airlines, Singapore Airlines and Emirates from Kolkata to Seattle have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Food

7.7

Crew

8.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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

    According to our current data, KLM ($1,212), Japan Airlines ($1,347), and Emirates ($1,351) offers the cheapest pricing from Kolkata to Seattle. KLM is priced at 19% 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 Emirates, with whom users have recently found tickets for as low as $816. However, be on the lookout for offers from Thai Airways and Singapore Airlines, 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, 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 July is currently the most expensive (average of $411). 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 Kolkata?

Book flights to Kolkata if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
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Mukilteo
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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.

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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$775Average$1,421FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,323Average$1,573FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,326Average$1,389FlexibilityNo cancel feeOn-time75%

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