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$532+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
Apr 20 — Apr 271
Mon 4/20
Mon 4/27
1 adult, Economy
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Cheap 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 21, 2026.

This Trip.com deal was found by Cheapflights users on 3/19. 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 5/1711:30 pm
CCU
-
SEA
2 stops27h 55m
Multiple Airlines
Fri 10/2312:55 am
SEA
-
CCU
2 stops41h 55m
Multiple Airlines
Deal found 3/19$1,028
This Air France deal was found by Cheapflights users on 3/19. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:30 pm
CCU
-
SEA
2 stops36h 30m
Air France
Thu 11/121:40 pm
SEA
-
CCU
2 stops28h 35m
Air France
Deal found 3/19$1,073
This Air France deal was found by Cheapflights users on 3/19. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1710:30 pm
CCU
-
SEA
2 stops49h 15m
Multiple Airlines
Thu 11/121:40 pm
SEA
-
CCU
2 stops28h 35m
Multiple Airlines
Deal found 3/19$1,074
This Air France deal was found by Cheapflights users on 3/19. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/144:15 pm
CCU
-
SEA
2 stops31h 30m
Air France
Mon 9/286:45 pm
SEA
-
CCU
2 stops46h 15m
Air France
Deal found 3/19$1,083
This Trip.com deal was found by Cheapflights users on 3/19. 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.
Mon 5/182:00 am
CCU
-
SEA
2 stops45h 10m
Multiple Airlines
Sun 10/2512:00 pm
SEA
-
CCU
2 stops24h 10m
Multiple Airlines
Deal found 3/19$1,099
This oojo deal was found by Cheapflights users on 3/21. 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 5/44:00 am
CCU
-
SEA
2 stops31h 59m
Qatar Airways
Mon 5/114:30 pm
SEA
-
CCU
1 stop21h 30m
Qatar Airways
Deal found 3/21$1,110
This Gotogate deal was found by Cheapflights users on 3/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:00 am
CCU
-
SEA
2 stops29h 30m
Multiple Airlines
Thu 2/2511:30 pm
SEA
-
CCU
2 stops35h 40m
Multiple Airlines
Deal found 3/16$1,121
This KLM deal was found by Cheapflights users on 3/20. 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 6/1410:30 pm
CCU
-
SEA
2 stops49h 15m
Multiple Airlines
Mon 9/286:45 pm
SEA
-
CCU
2 stops49h 00m
Multiple Airlines
Deal found 3/20$1,129
This Indian Eagle deal was found by Cheapflights users on 3/16. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/72:00 am
CCU
-
SEA
2 stops29h 30m
Multiple Airlines
Tue 2/2311:30 pm
SEA
-
CCU
2 stops35h 40m
Multiple Airlines
Deal found 3/16$1,141

Find 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 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,028
(Trip.com)

One-way from

$532
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$1,359
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. 9% potential increase in price ($141 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 21, 2026.
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 - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 6/14

10:30 pm-11:15 am

2 stops49h 15m

Seattle/Tacoma Intl

Mon 9/28

6:45 pm-8:15 am

2 stops49h 00m

$1,129

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 4/29

9:30 pm-10:38 pm

2 stops37h 38m

Seattle/Tacoma Intl

Tue 7/28

11:56 pm-3:00 am

2 stops38h 34m

$1,288

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 9/8

11:30 pm-8:25 am

2 stops45h 25m

Seattle/Tacoma Intl

Tue 2/23

8:45 am-10:25 pm

1 stop24h 10m

$1,306

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 9/10

11:30 pm-8:25 am

2 stops45h 25m

Seattle/Tacoma Intl

Thu 2/25

8:45 am-10:25 pm

1 stop24h 10m

$1,306

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 6/14

8:55 pm-1:25 pm

1 stop29h 00m

Seattle/Tacoma Intl

Mon 9/28

5:15 pm-7:15 pm

1 stop37h 30m

$1,310

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 9/1

9:50 am-1:25 pm

1 stop40h 05m

Seattle/Tacoma Intl

Thu 10/22

5:15 pm-8:10 am

1 stop26h 25m

$1,326

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 4/2

9:50 am-1:25 pm

1 stop40h 05m

Seattle/Tacoma Intl

Wed 4/15

5:15 pm-7:15 pm

1 stop37h 30m

$1,330

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 4/20

9:50 am-1:25 pm

1 stop40h 05m

Seattle/Tacoma Intl

Fri 10/2

5:15 pm-7:15 pm

1 stop37h 30m

$1,348
Quickest round-trip

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 5/16

4:00 am-12:45 pm

1 stop21h 15m

Seattle/Tacoma Intl

Sat 10/24

11:31 am-1:55 am

2 stops25h 54m

$1,425
Cheapest one-way

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 4/8

9:50 am-1:25 pm

1 stop40h 05m

$825

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3
  • 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.

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, November is the cheapest month in which you can book a flight from Kolkata to Seattle (average of $892). Flying from Kolkata to Seattle in August is currently the most expensive (average of $1,408). 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 March 21, 2026.
Peruse reviews from past customers who have flown with Singapore Airlines,Emirates, andQatar 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.
Singapore Airlines
8.2
Very good
1,480 reviews

Comfort

8.0

Overall

8.2

Food

7.8

Boarding

8.3

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.2
Very good
1,480 reviews
Singapore Airlines
8.2
Very good
1,480 reviews

Comfort

8.0

Overall

8.2

Food

7.8

Boarding

8.3

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Emirates
8.1
Very good
3,544 reviews
Singapore Airlines
8.2
Very good
1,480 reviews

Comfort

8.0

Overall

8.2

Food

7.8

Boarding

8.3

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Qatar Airways
7.4
Good
3,733 reviews
Singapore Airlines
8.2
Very good
1,480 reviews

Comfort

8.0

Overall

8.2

Food

7.8

Boarding

8.3

Entertainment

8.1

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during 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.

  • How long is the flight from Kolkata to Seattle?

    Departing from Kolkata to Seattle will take you 29h. 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 ($824), Qatar Airways ($1,232), and Emirates ($1,340) offers the cheapest pricing from Kolkata to Seattle. Singapore Airlines is priced at 36% 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 Singapore Airlines, with whom users have recently found tickets for as low as $350. 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, November is the cheapest month in which you can book a flight from Kolkata to Seattle (average of $892). Flying from Kolkata to Seattle in August is currently the most expensive (average of $1,408). 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
SeaTac
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Ellensburg
Tukwila
Fife
Lakewood
Aberdeen
Shoreline
Marysville
Centralia
Federal Way

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 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$824Average$1,207FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,232Average$1,303FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$1,340Average$1,371FlexibilityNo cancel feeOn-time75%

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