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$513+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 December or November, 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 September 17, 2025.

Round-trip from

$978
(Trip.com)

One-way from

$513
(Trip.com)

Popular in

August

Cheapest in

December

Average price

$1,259
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. 5% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Trip.com deal was found by Cheapflights users on 9/15. 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.
Sun 12/1412:50 amCCU - SEA
2 stops30h 50mMultiple Airlines
Sat 3/141:10 amSEA - CCU
2 stops34h 10mMultiple Airlines
Deal found 9/15$978
This KLM deal was found by Cheapflights users on 9/15. 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.
Sun 10/197:05 pmCCU - SEA
2 stops29h 15mKLM
Sun 11/22:05 pmSEA - CCU
2 stops30h 20mKLM
Deal found 9/15$1,012
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:55 amCCU - SEA
3 stops33h 41mMultiple Airlines
Sat 11/1512:10 amSEA - CCU
3 stops34h 10mMultiple Airlines
Deal found 9/17$1,052
This KLM deal was found by Cheapflights users on 9/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:05 pmCCU - SEA
2 stops28h 40mKLM
Mon 12/13:05 pmSEA - CCU
2 stops26h 35mKLM
Deal found 9/16$1,071
This KLM deal was found by Cheapflights users on 9/15. 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.
Sat 10/187:00 pmCCU - SEA
2 stops33h 35mKLM
Sun 11/22:05 pmSEA - CCU
2 stops30h 20mKLM
Deal found 9/15$1,073
This oojo deal was found by Cheapflights users on 9/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1511:40 pmCCU - SEA
1 stop21h 00mSingapore Airlines
Sun 3/159:45 amSEA - CCU
1 stop24h 10mSingapore Airlines
Deal found 9/15$1,084
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:55 amCCU - SEA
3 stops33h 41mMultiple Airlines
Thu 11/612:10 amSEA - CCU
2 stops35h 00mMultiple Airlines
Deal found 9/16$1,101
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:30 pmCCU - SEA
1 stop21h 45mMultiple Airlines
Sun 11/22:05 pmSEA - CCU
2 stops25h 30mMultiple Airlines
Deal found 9/15$1,131
This EaseMyTrip deal was found by Cheapflights users on 9/15. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:00 amCCU - SEA
2 stops30h 20mVirgin Atlantic
Sun 10/195:35 pmSEA - CCU
2 stops27h 00mVirgin Atlantic
Deal found 9/15$1,133

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 September 17, 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

Mon 12/15

6:30 pm-11:25 am

2 stops30h 25m

Seattle/Tacoma Intl

Sun 3/15

3:00 pm-7:50 am

2 stops28h 20m

$1,009

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 10/20

5:00 pm-11:50 am

2 stops31h 20m

Seattle/Tacoma Intl

Sun 11/2

2:05 pm-9:55 am

2 stops30h 20m

$1,012

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 10/18

7:00 pm-4:05 pm

2 stops33h 35m

Seattle/Tacoma Intl

Sun 11/2

2:05 pm-9:55 am

2 stops30h 20m

$1,073

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 10/31

6:30 pm-9:00 am

3 stops27h 00m

Seattle/Tacoma Intl

Sat 11/15

12:10 am-11:50 pm

3 stops34h 10m

$1,098

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 10/31

11:40 pm-8:10 am

1 stop21h 00m

Seattle/Tacoma Intl

Sun 11/16

8:45 am-10:25 pm

1 stop24h 10m

$1,197

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 10/31

6:30 pm-12:45 pm

2 stops30h 45m

Seattle/Tacoma Intl

Sun 11/16

3:00 pm-9:55 am

2 stops29h 25m

$1,271

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 10/30

3:25 am-12:40 pm

1 stop21h 45m

Seattle/Tacoma Intl

Sun 11/16

4:05 pm-1:55 am

1 stop20h 20m

$1,330

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 11/14

2:35 am-6:40 pm

2 stops53h 35m

$513

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 12/5

12:50 am-6:40 pm

2 stops55h 20m

$525

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 10/17

2:35 am-7:15 pm

3 stops53h 10m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 16 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 September 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, 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 June is currently the most expensive (average of $387). 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 September 17, 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
3,339 reviews

Entertainment

8.2

Comfort

8.0

Overall

8.1

Crew

8.3

Boarding

8.1

Food

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Emirates
8.1
Very good
3,339 reviews
Emirates
8.1
Very good
3,339 reviews

Entertainment

8.2

Comfort

8.0

Overall

8.1

Crew

8.3

Boarding

8.1

Food

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Singapore Airlines
8.1
Very good
1,367 reviews
Emirates
8.1
Very good
3,339 reviews

Entertainment

8.2

Comfort

8.0

Overall

8.1

Crew

8.3

Boarding

8.1

Food

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.
Qatar Airways
7.4
Good
3,622 reviews
Emirates
8.1
Very good
3,339 reviews

Entertainment

8.2

Comfort

8.0

Overall

8.1

Crew

8.3

Boarding

8.1

Food

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

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 20m. 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 ($772), Qatar Airways ($1,251), and Emirates ($1,326) offers the cheapest pricing from Kolkata to Seattle. Singapore Airlines is priced at 42% 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 $238). Flying from Kolkata to Seattle in June is currently the most expensive (average of $387). 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
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Alternative routes for Kolkata to Seattle

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$772Average$1,252FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,251Average$1,334FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,326Average$1,371FlexibilityNo cancel feeOn-time75%

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