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$697+ 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 6/28. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 April or February, 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 June 12, 2025.

Round-trip from

$1,062
(Trip.com)

One-way from

$697
(FlightHub)

Popular in

August

Cheapest in

April

Average price

$1,356
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 ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/11. 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 7/612:30 amCCU - SEA
2 stops28h 35mMultiple Airlines
Wed 7/231:15 amSEA - CCU
2 stops34h 14mMultiple Airlines
Deal found 6/11$1,062
This KLM deal was found by Cheapflights users on 6/10. 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.
Sat 6/147:00 pmCCU - SEA
2 stops29h 10mKLM
Wed 7/302:05 pmSEA - CCU
2 stops30h 30mKLM
Deal found 6/10$1,281
This Gotogate deal was found by Cheapflights users on 6/12. 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.
Thu 7/1712:30 pmCCU - SEA
2 stops34h 35mJapan Airlines
Sat 1/1012:30 pmSEA - CCU
2 stops45h 20mJapan Airlines
Deal found 6/12$1,289
This Qatar Airways deal was found by Cheapflights users on 6/10. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/133:50 amCCU - SEA
1 stop21h 25mQatar Airways
Wed 7/304:30 pmSEA - CCU
1 stop21h 20mQatar Airways
Deal found 6/10$1,333
This Gotogate deal was found by Cheapflights users on 6/11. 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 7/79:45 amCCU - SEA
1 stop40h 10mEmirates
Thu 7/245:15 pmSEA - CCU
1 stop37h 30mEmirates
Deal found 6/11$1,383
This Gurufare deal was found by Cheapflights users on 6/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/162:00 amCCU - SEA
2 stops28h 50mBritish Airways
Sat 1/106:50 pmSEA - CCU
2 stops47h 15mBritish Airways
Deal found 6/12$1,455
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Fri 8/810:15 pmCCU - SEA
2 stops31h 30mTurkish Airlines
Fri 9/57:10 pmSEA - CCU
2 stops31h 55mTurkish Airlines
Deal found 6/11$1,459
This Flightnetwork deal was found by Cheapflights users on 6/10. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/132:00 amCCU - SEA
2 stops29h 20mThai Airways
Tue 7/292:10 amSEA - CCU
2 stops34h 05mThai Airways
Deal found 6/10$1,650
This Singapore Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 8/811:30 pmCCU - SEA
1 stop21h 45mSingapore Airlines
Fri 9/510:15 amSEA - CCU
1 stop23h 30mSingapore Airlines
Deal found 6/10$1,700
This EaseMyTrip deal was found by Cheapflights users on 6/12. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/252:00 amCCU - SEA
2 stops30h 15mVirgin Atlantic
Sun 6/295:35 pmSEA - CCU
2 stops27h 00mVirgin Atlantic
Deal found 6/12$1,906

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 12, 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

Sun 7/6

12:30 am-4:35 pm

2 stops28h 35m

Seattle/Tacoma Intl

Wed 7/23

1:15 am-11:59 pm

2 stops34h 14m

$1,062

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 7/17

12:30 pm-10:35 am

2 stops34h 35m

Seattle/Tacoma Intl

Sat 1/10

12:30 pm-11:20 pm

2 stops45h 20m

$1,289

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 7/7

9:45 am-1:25 pm

1 stop40h 10m

Seattle/Tacoma Intl

Thu 7/24

5:15 pm-7:15 pm

1 stop37h 30m

$1,383

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 7/6

3:50 am-12:45 pm

1 stop21h 25m

Seattle/Tacoma Intl

Thu 7/24

4:30 pm-2:20 am

1 stop21h 20m

$1,406

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 7/16

2:00 am-6:20 pm

2 stops28h 50m

Seattle/Tacoma Intl

Sat 1/10

6:50 pm-7:35 am

2 stops47h 15m

$1,455

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 8/8

10:15 pm-5:15 pm

2 stops31h 30m

Seattle/Tacoma Intl

Fri 9/5

7:10 pm-3:35 pm

2 stops31h 55m

$1,459

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 8/8

11:30 pm-8:45 am

1 stop21h 45m

Seattle/Tacoma Intl

Fri 9/5

10:15 am-10:15 pm

1 stop23h 30m

$1,700

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 6/25

2:00 am-6:50 pm

2 stops29h 20m

Seattle/Tacoma Intl

Sat 6/28

1:50 am-12:45 am

2 stops34h 25m

$1,904

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 6/25

2:00 am-7:45 pm

2 stops30h 15m

Seattle/Tacoma Intl

Sun 6/29

5:35 pm-9:05 am

2 stops27h 00m

$1,906

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 6/28

8:35 pm-10:35 am

2 stops26h 30m

$697

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 18 results
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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 June 9, 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 $391). 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 June 12, 2025.
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Comfort

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Japan Airlines
8.3
Very good
1,489 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Comfort

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Emirates
8.1
Very good
3,264 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Comfort

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Singapore Airlines
8.1
Very good
1,302 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Comfort

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
KLM
7.8
Good
1,358 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Comfort

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Thai Airways
7.7
Good
335 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Food

7.7

Boarding

8.4

Entertainment

7.8

Overall

8.3

Comfort

8.2

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.

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, Japan Airlines ($1,289), Emirates ($1,383), and Qatar Airways ($1,406) offers the cheapest pricing from Kolkata to Seattle. Japan Airlines is priced at 12% 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 Japan Airlines, with whom users have recently found tickets for as low as $697. However, be on the lookout for offers from Emirates and SWISS, 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 $391). 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
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$772Average$1,379FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,297Average$1,568FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,326Average$1,371FlexibilityNo cancel feeOn-time75%

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