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$517+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
Mar 9 — Mar 161
Sun 3/9
Sun 3/16
1 adult, Economy
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The best prices from Kolkata Netaji S. Chandra to Seattle/Tacoma Intl are usually found in February or December, booked 46 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 March 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,028
(Trip.com)

One-way from

$517
(Trip.com)

Popular in

August

Cheapest in

February

Average price

$1,578
Provider with most accurate pricing for Kolkata Netaji S. Chandra-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kolkata Netaji S. Chandra-Seattle/Tacoma Intl flights.
Search Deals
From Kolkata Netaji S. Chandra to Seattle/Tacoma Intl
Search Deals
One-way flight from Kolkata Netaji S. Chandra to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($129 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 4, 2025.

This Trip.com deal was found by Cheapflights users on 3/2. 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.
Tue 4/2912:30 amCCU - SEA
2 stops28h 10mMultiple Airlines
Tue 10/71:15 amSEA - CCU
2 stops34h 14mMultiple Airlines
Deal found 3/2$1,028
This oojo deal was found by Cheapflights users on 3/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/49:15 pmCCU - SEA
2 stops37h 57mEtihad Airways
Sun 5/49:23 pmSEA - CCU
2 stops40h 57mEtihad Airways
Deal found 3/3$1,169
This Singapore Airlines deal was found by Cheapflights users on 3/3. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/911:30 pmCCU - SEA
2 stops29h 40mSingapore Airlines
Tue 9/3010:15 amSEA - CCU
1 stop23h 30mSingapore Airlines
Deal found 3/3$1,208
This KLM deal was found by Cheapflights users on 3/4. 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.
Tue 6/244:00 pmCCU - SEA
2 stops32h 10mKLM
Wed 8/132:10 pmSEA - CCU
2 stops32h 10mKLM
Deal found 3/4$1,210
This FlightHub deal was found by Cheapflights users on 3/4. 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.
Tue 6/243:50 amCCU - SEA
1 stop21h 25mQatar Airways
Wed 8/134:30 pmSEA - CCU
1 stop21h 20mQatar Airways
Deal found 3/4$1,250
This Ovago deal was found by Cheapflights users on 3/4. 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 4/211:45 pmCCU - SEA
2 stops33h 10mJapan Airlines
Sun 7/61:30 pmSEA - CCU
2 stops43h 10mJapan Airlines
Deal found 3/4$1,331
This Emirates deal was found by Cheapflights users on 3/2. 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 4/219:45 amCCU - SEA
1 stop40h 10mEmirates
Tue 10/145:15 pmSEA - CCU
1 stop26h 25mEmirates
Deal found 3/2$1,336
This British Airways deal was found by Cheapflights users on 3/3. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/82:00 amCCU - SEA
2 stops28h 50mBritish Airways
Wed 8/271:30 pmSEA - CCU
2 stops35h 45mBritish Airways
Deal found 3/3$1,464
This Ovago deal was found by Cheapflights users on 3/4. 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.
Thu 6/262:00 amCCU - SEA
2 stops29h 20mThai Airways
Tue 8/122:10 amSEA - CCU
2 stops34h 05mThai Airways
Deal found 3/4$1,564
This Turkish Airlines deal was found by Cheapflights users on 3/4. 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.
Fri 6/2710:30 pmCCU - SEA
2 stops31h 15mTurkish Airlines
Thu 8/147:10 pmSEA - CCU
2 stops28h 35mTurkish Airlines
Deal found 3/4$1,596

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 March 4, 2025.

Fly from

Kolkata

Fly to

Seattle

Route

Depart

Return

Price

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 4/29

12:30 am-4:10 pm

2 stops28h 10m

Seattle/Tacoma Intl

Tue 10/7

1:15 am-11:59 pm

2 stops34h 14m

$1,028

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 6/26

11:30 pm-8:45 am

1 stop21h 45m

Seattle/Tacoma Intl

Thu 8/14

10:15 am-10:15 pm

1 stop23h 30m

$1,161

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 4/4

9:15 pm-10:42 pm

2 stops37h 57m

Seattle/Tacoma Intl

Sun 5/4

9:23 pm-2:50 am

2 stops40h 57m

$1,169

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 6/24

4:00 pm-11:40 am

2 stops32h 10m

Seattle/Tacoma Intl

Wed 8/13

2:10 pm-10:50 am

2 stops32h 10m

$1,210

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 6/24

3:50 am-12:45 pm

1 stop21h 25m

Seattle/Tacoma Intl

Wed 8/13

4:30 pm-2:20 am

1 stop21h 20m

$1,250

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 4/21

1:45 pm-10:25 am

2 stops33h 10m

Seattle/Tacoma Intl

Sun 7/6

1:30 pm-9:10 pm

2 stops43h 10m

$1,331

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 4/21

9:45 am-1:25 pm

1 stop40h 10m

Seattle/Tacoma Intl

Thu 10/9

5:15 pm-8:10 am

1 stop26h 25m

$1,336

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 4/8

2:00 am-6:20 pm

2 stops28h 50m

Seattle/Tacoma Intl

Wed 8/27

1:30 pm-1:45 pm

2 stops35h 45m

$1,464

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 6/26

2:00 am-6:50 pm

2 stops29h 20m

Seattle/Tacoma Intl

Tue 8/12

2:10 am-12:45 am

2 stops34h 05m

$1,564

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 6/27

10:30 pm-5:15 pm

2 stops31h 15m

Seattle/Tacoma Intl

Sat 8/16

7:10 pm-10:45 am

2 stops27h 05m

$1,596

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 16 results
1
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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 March.
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.

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 February 28, 2025.

The best time to book flights from Kolkata to Seattle is 46 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 March 4, 2025.
Japan Airlines
8.3
Very good
1,435 reviews

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Overall

8.3

Food

7.7

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.

Japan Airlines
8.3
Very good
1,435 reviews
Japan Airlines
8.3
Very good
1,435 reviews

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Overall

8.3

Food

7.7

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.

Emirates
8.1
Very good
3,234 reviews
Japan Airlines
8.3
Very good
1,435 reviews

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Overall

8.3

Food

7.7

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.

Singapore Airlines
8.1
Very good
1,288 reviews
Japan Airlines
8.3
Very good
1,435 reviews

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Overall

8.3

Food

7.7

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.

KLM
7.8
Good
1,322 reviews
Japan Airlines
8.3
Very good
1,435 reviews

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Overall

8.3

Food

7.7

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.

Thai Airways
7.8
Good
316 reviews
Japan Airlines
8.3
Very good
1,435 reviews

Comfort

8.2

Entertainment

7.8

Boarding

8.4

Crew

8.7

Overall

8.3

Food

7.7

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, Singapore Airlines ($1,161), Etihad Airways ($1,169), and KLM ($1,210) offers the cheapest pricing from Kolkata to Seattle. Singapore Airlines is priced at 22% 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 $695. 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 $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
Ocean Shores
Leavenworth
Federal Way
Centralia
Olympia
Cle Elum
Lakewood
Mukilteo
Aberdeen
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale
Redmond

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 March 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$775Average$1,418FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,328Average$1,574FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,329Average$1,386FlexibilityNo cancel feeOn-time75%
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