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$520+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$1,081
(Trip.com)

One-way from

$520
(Trip.com)

Popular in

August

Cheapest in

April

Average price

$1,518
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. 7% potential increase in price ($121 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Trip.com deal was found by Cheapflights users on 7/2. 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.
Sat 8/302:00 amCCU - SEA
2 stops29h 45mMultiple Airlines
Mon 9/112:50 pmSEA - CCU
2 stops23h 25mMultiple Airlines
Deal found 7/2$1,081
This Gurufare deal was found by Cheapflights users on 7/2. 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.
Sun 8/318:35 pmCCU - SEA
2 stops26h 20mJapan Airlines
Mon 9/11:30 pmSEA - CCU
2 stops31h 05mJapan Airlines
Deal found 7/2$1,229
This Singapore Airlines deal was found by Cheapflights users on 7/2. 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 11/1311:40 pmCCU - SEA
1 stop21h 00mSingapore Airlines
Sun 12/148:45 amSEA - CCU
1 stop24h 10mSingapore Airlines
Deal found 7/2$1,233
This Virgin Atlantic deal was found by Cheapflights users on 6/30. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:00 pmCCU - SEA
2 stops40h 20mVirgin Atlantic
Tue 10/148:25 pmSEA - CCU
2 stops36h 05mVirgin Atlantic
Deal found 6/30$1,247
This Qatar Airways deal was found by Cheapflights users on 7/3. 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.
Mon 7/213:50 amCCU - SEA
1 stop21h 25mQatar Airways
Wed 8/274:30 pmSEA - CCU
1 stop21h 20mQatar Airways
Deal found 7/3$1,255
This KLM deal was found by Cheapflights users on 7/1. 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.
Sun 7/207:30 pmCCU - SEA
2 stops32h 50mKLM
Wed 11/123:00 pmSEA - CCU
2 stops28h 15mKLM
Deal found 7/1$1,282
This Emirates deal was found by Cheapflights users on 7/2. 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.
Mon 11/109:10 amCCU - SEA
1 stop40h 55mEmirates
Thu 12/114:05 pmSEA - CCU
1 stop26h 05mEmirates
Deal found 7/2$1,360

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 July 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

Sat 8/30

2:00 am-7:15 pm

2 stops29h 45m

Seattle/Tacoma Intl

Mon 9/1

12:50 pm-12:45 am

2 stops23h 25m

$1,081

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 8/31

8:35 pm-10:25 am

2 stops26h 20m

Seattle/Tacoma Intl

Mon 9/1

1:30 pm-9:05 am

2 stops31h 05m

$1,229

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 11/13

11:40 pm-7:10 am

1 stop21h 00m

Seattle/Tacoma Intl

Sun 12/14

8:45 am-10:25 pm

1 stop24h 10m

$1,233

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 10/10

4:00 pm-7:50 pm

2 stops40h 20m

Seattle/Tacoma Intl

Tue 10/14

8:25 pm-9:00 pm

2 stops36h 05m

$1,247

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 7/21

3:50 am-12:45 pm

1 stop21h 25m

Seattle/Tacoma Intl

Wed 8/27

4:30 pm-2:20 am

1 stop21h 20m

$1,255

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 7/20

7:30 pm-3:50 pm

2 stops32h 50m

Seattle/Tacoma Intl

Wed 11/12

3:00 pm-8:45 am

2 stops28h 15m

$1,282

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 11/10

9:10 am-12:35 pm

1 stop40h 55m

Seattle/Tacoma Intl

Thu 12/11

4:05 pm-7:40 am

1 stop26h 05m

$1,360

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 9/13

12:30 am-7:15 pm

2 stops31h 15m

$520

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 8/31

10:20 am-10:25 am

2 stops36h 35m

$696

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 9/13

3:50 am-12:45 pm

1 stop21h 25m

$743

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 13 results
1
2

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 27, 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 $390). 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 July 3, 2025.
Peruse reviews from past customers who have flown with Japan Airlines, Emirates, and Singapore Airlines 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.
Japan Airlines
8.3
Very good
1,505 reviews

Boarding

8.4

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Japan Airlines
8.3
Very good
1,505 reviews
Japan Airlines
8.3
Very good
1,505 reviews

Boarding

8.4

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Emirates
8.1
Very good
3,287 reviews
Japan Airlines
8.3
Very good
1,505 reviews

Boarding

8.4

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Singapore Airlines
8.1
Very good
1,320 reviews
Japan Airlines
8.3
Very good
1,505 reviews

Boarding

8.4

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
KLM
7.8
Good
1,367 reviews
Japan Airlines
8.3
Very good
1,505 reviews

Boarding

8.4

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Thai Airways
7.7
Good
338 reviews
Japan Airlines
8.3
Very good
1,505 reviews

Boarding

8.4

Food

7.7

Crew

8.7

Comfort

8.2

Entertainment

7.8

Overall

8.3

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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 ($1,229), Singapore Airlines ($1,233), and Virgin Atlantic ($1,247) offers the cheapest pricing from Kolkata to Seattle. Japan Airlines is priced at 16% 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 $696. However, be on the lookout for offers from Qatar Airways and Emirates, 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 $390). 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
Lynnwood
Renton
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Federal Way
Chehalis
Kirkland
Aberdeen
Shelton

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$772Average$1,369FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,291Average$1,550FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,329Average$1,371FlexibilityNo cancel feeOn-time75%

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