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$507+ 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 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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The best prices from Kolkata Netaji S. Chandra to Seattle/Tacoma Intl are usually found in April or December, booked 55 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 January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,134
(Air France)

One-way from

$507
(Trip.com)

Popular in

August

Cheapest in

April

Average price

$1,826
Provider with most accurate pricing for Kolkata Netaji S. Chandra-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Kolkata Netaji S. Chandra-Seattle/Tacoma Intl flights.
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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. 6% potential increase in price ($112 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 30, 2025.

This Singapore Airlines deal was found by Cheapflights users on 1/30. 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 4/1311:30 pmCCU - SEA
2 stops33h 13mMultiple Airlines
Thu 5/1510:15 amSEA - CCU
1 stop23h 30mMultiple Airlines
Deal found 1/30$1,141
This Air France deal was found by Cheapflights users on 1/30. 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.
Thu 4/36:30 pmCCU - SEA
2 stops29h 15mAir France
Thu 7/171:30 pmSEA - CCU
2 stops26h 40mAir France
Deal found 1/30$1,352
This Gotogate deal was found by Cheapflights users on 1/30. 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 4/23:50 amCCU - SEA
1 stop21h 10mQatar Airways
Thu 7/174:30 pmSEA - CCU
1 stop21h 20mQatar Airways
Deal found 1/30$1,379
This StudentUniverse deal was found by Cheapflights users on 1/30. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/32:00 amCCU - SEA
2 stops28h 50mBritish Airways
Fri 9/56:26 amSEA - CCU
3 stops36h 34mBritish Airways
Deal found 1/30$1,517
This Singapore Airlines deal was found by Cheapflights users on 1/30. 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.
Thu 4/311:30 pmCCU - SEA
2 stops36h 59mSingapore Airlines
Thu 7/1710:15 amSEA - CCU
1 stop23h 30mSingapore Airlines
Deal found 1/30$1,556
This Emirates deal was found by Cheapflights users on 1/30. 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.
Sun 4/139:45 amCCU - SEA
1 stop40h 10mEmirates
Thu 5/155:15 pmSEA - CCU
1 stop37h 30mEmirates
Deal found 1/30$1,562
This KAYAK deal was found by Cheapflights users on 1/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/122:00 amCCU - SEA
2 stops30h 00mThai Airways
Wed 5/141:50 amSEA - CCU
2 stops34h 25mThai Airways
Deal found 1/30$1,875

Find flights from Kolkata to Seattle within your budget

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 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 2/11

8:50 pm-11:20 am

2 stops52h 00m

Seattle/Tacoma Intl

Mon 5/5

2:10 pm-8:35 am

2 stops29h 55m

$1,134

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 4/13

11:30 pm-4:53 pm

2 stops29h 53m

Seattle/Tacoma Intl

Thu 5/15

10:15 am-10:15 pm

1 stop23h 30m

$1,140

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 2/11

8:50 pm-11:20 am

2 stops52h 00m

Seattle/Tacoma Intl

Sun 5/4

1:30 pm-5:35 am

2 stops27h 35m

$1,143

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 2/10

6:30 pm-11:46 am

2 stops30h 46m

Seattle/Tacoma Intl

Tue 5/6

1:55 pm-8:35 am

2 stops30h 10m

$1,230

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 2/12

8:20 pm-12:35 pm

1 stop29h 45m

Seattle/Tacoma Intl

Mon 5/5

5:15 pm-8:10 am

1 stop26h 25m

$1,327

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 2/11

3:20 am-11:40 am

1 stop21h 50m

Seattle/Tacoma Intl

Mon 5/5

4:30 pm-2:20 am

1 stop21h 20m

$1,369

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 4/23

2:00 am-6:20 pm

2 stops28h 50m

Seattle/Tacoma Intl

Thu 5/29

8:20 pm-2:10 pm

2 stops29h 20m

$1,471

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 4/3

2:00 am-7:30 pm

2 stops30h 00m

Seattle/Tacoma Intl

Fri 5/2

1:50 am-12:45 am

2 stops34h 25m

$1,616

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 4/24

8:30 pm-4:59 pm

2 stops32h 59m

Seattle/Tacoma Intl

Fri 5/30

2:20 pm-8:00 am

2 stops53h 10m

$1,671

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 3/17

12:30 am-7:10 pm

2 stops55h 10m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 21 results
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  • 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.

Travel insights for flights from Kolkata to Seattle

Get recent, data-driven insights about flights from Kolkata to Seattle including ideal travel times, pricing trends, and more.

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 24, 2025.

The best time to book flights from Kolkata to Seattle is 55 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 January 30, 2025.
See what other customers who have flown with Japan Airlines, Emirates and Singapore Airlines from Kolkata to Seattle have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,445 reviews

Crew

8.7

Food

7.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Overall

8.3

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.

Japan Airlines
8.3
Very good
1,445 reviews
Japan Airlines
8.3
Very good
1,445 reviews

Crew

8.7

Food

7.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Overall

8.3

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.

Emirates
8.1
Very good
3,330 reviews
Japan Airlines
8.3
Very good
1,445 reviews

Crew

8.7

Food

7.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Overall

8.3

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.

Singapore Airlines
8.1
Very good
1,317 reviews
Japan Airlines
8.3
Very good
1,445 reviews

Crew

8.7

Food

7.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Overall

8.3

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.

KLM
7.8
Good
1,335 reviews
Japan Airlines
8.3
Very good
1,445 reviews

Crew

8.7

Food

7.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Overall

8.3

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.

Thai Airways
7.8
Good
331 reviews
Japan Airlines
8.3
Very good
1,445 reviews

Crew

8.7

Food

7.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Overall

8.3

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, Singapore Airlines ($1,140), Air France ($1,143), and KLM ($1,230) offers the cheapest pricing from Kolkata to Seattle. Singapore Airlines is priced at 25% 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 Etihad Airways, with whom users have recently found tickets for as low as $668. However, be on the lookout for offers from KLM and Air France, 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
Renton
Tacoma
Lacey
Federal Way
Ocean Shores
Leavenworth
Olympia
Marysville
Centralia
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

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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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$781Average$1,411FlexibilityNo cancel feeOn-time81%
EmiratesCheapest$1,216Average$1,376FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$1,328Average$1,574FlexibilityNo cancel feeOn-time68%
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