Seattle

$652+ Cheap flights from Kolkata (CCU) to Seattle (SEA)

CCU — SEA
Dec 4 — Dec 111
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Cheap flight deals from Kolkata to Seattle

Cheapest flights from Kolkata to Seattle

Wed 12/166:55 pm -
2 stops59h 45m
Wed 12/237:05 pm -
2 stops55h 05m
Deal found 11/1$1,423
Sat 11/73:25 am -
1 stop22h 20m
Sun 11/2211:22 pm -
2 stops37h 03m
Deal found 11/3$1,649
Wed 12/169:20 am -
1 stop41h 45m
Wed 12/234:05 pm -
1 stop26h 05m
Deal found 11/1$1,724
Tue 12/153:25 am -
2 stops34h 52m
Wed 12/233:50 pm -
1 stop44h 35m
Deal found 11/1$1,811
Sun 11/81:00 pm -
3 stops44h 35m
Sun 11/2211:05 pm -
2 stops31h 40m
Deal found 11/3$1,962
Tue 12/12:35 pm -
2 stops41h 05m
Mon 4/51:30 am -
2 stops31h 50m
Deal found 10/31$5,050
Tue 12/111:20 pm -
1 stop21h 15m
Tue 4/610:15 am -
1 stop23h 30m
Deal found 10/31$5,148

Find flight deals from Kolkata to Seattle

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,206
(Indian Eagle)

One-way from

$652
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$1,157
Provider with most accurate pricing for Kolkata Netaji S. Chandra-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Kolkata Netaji S. Chandra-Seattle/Tacoma Intl flights.
From Kolkata Netaji S. Chandra to Seattle/Tacoma Intl
One-way flight from Kolkata Netaji S. Chandra to Seattle/Tacoma Intl
Highest demand for flights based on searches. 13% potential increase in price ($211 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Kolkata to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Thu 12/24

9:20 am-1:35 pm

1 stop41h 45m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:30 pm

Nonstop0h 00m

$775

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Tue 1/12

8:15 pm-5:10 pm

2 stops34h 25m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:30 pm

Nonstop0h 00m

$779

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Thu 11/26

9:30 pm-5:10 pm

2 stops57h 10m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:30 pm

Nonstop0h 00m

$779

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Mon 1/11

12:50 am-4:47 pm

3 stops53h 27m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:30 pm

Nonstop0h 00m

$785

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Thu 11/26

8:35 pm-1:35 pm

1 stop30h 30m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:30 pm

Nonstop0h 00m

$787
Quickest round-trip

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Tue 12/1

11:20 pm-7:05 am

1 stop21h 15m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:30 pm

Nonstop0h 00m

$1,201

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Mon 2/8

9:20 am-1:35 pm

1 stop41h 45m

Seattle/Tacoma Intl

Thu 3/4

4:05 pm-7:40 am

1 stop26h 05m

$1,221

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Tue 3/23

9:20 am-2:35 pm

1 stop41h 45m

Seattle/Tacoma Intl

Tue 9/14

5:15 pm-7:15 pm

1 stop37h 30m

$1,224

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Thu 4/29

8:55 pm-1:25 pm

1 stop29h 00m

Seattle/Tacoma Intl

Mon 5/3

5:15 pm-7:15 pm

1 stop37h 30m

$1,247

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Tue 1/12

9:20 am-1:35 pm

1 stop41h 45m

Seattle/Tacoma Intl

Wed 12/31

12:00 am-1:30 pm

Nonstop0h 00m

$1,250

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Compare providers for flights from Kolkata to Seattle

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kolkata to Seattle in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Indian EaglePrice 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

Cheapflights Insights

Everything you need to know about your flight from Kolkata to Seattle

What is the cheapest month to book a flight from Kolkata to Seattle?

Currently, April is the cheapest month in which you can book a flight from Kolkata to Seattle (average of $983). Flying from Kolkata to Seattle in July is currently the most expensive (average of $1,745). 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?

Airfare is typical for this route at the moment.

Kolkata to Seattle flights typically cost between $1,144 and $1,266 in March.
The cheapest round-trip price found within the last 5 days was $1,206 on Multiple Airlines (Mar 22-Sep 20).

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with 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.

Boarding

8.3

Crew

8.6

Overall

8.2

Entertainment

8.1

Comfort

8.0

Food

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.

Boarding

8.3

Crew

8.6

Overall

8.2

Entertainment

8.1

Comfort

8.0

Food

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.

Boarding

8.3

Crew

8.6

Overall

8.2

Entertainment

8.1

Comfort

8.0

Food

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Sep 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.

Related info for your journey

  • How long is the flight from Kolkata to Seattle?

    Departing from Kolkata to Seattle will take you 41h 45m. 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 ($974), and Qatar Airways ($1,232) 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.

  • 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, April is the cheapest month in which you can book a flight from Kolkata to Seattle (average of $983). Flying from Kolkata to Seattle in July is currently the most expensive (average of $1,745). 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

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Alternative routes for Kolkata to Seattle

Top 2 airlines flying from Kolkata to Seattle

AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$974Average$1,239FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,232Average$1,357FlexibilityNo cancel feeOn-time68%

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