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Cheap flights from Kolkata to Seattle from ₹ 79,877

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 24/7. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
27 Jul — 3 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kolkata to Seattle

Enter your travel dates to find the best prices.

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 27 June 2026.

Wed 5/801:00
CCU
-
SEA
2 stops31h 15m
Multiple Airlines
Sat 14/1100:10
SEA
-
CCU
2 stops34h 10m
Multiple Airlines
Deal found 23/6₹ 107,730
Fri 10/721:30
CCU
-
SEA
2 stops35h 37m
Multiple Airlines
Mon 13/723:56
SEA
-
CCU
2 stops32h 04m
Multiple Airlines
Deal found 26/6₹ 109,901
Wed 14/1016:15
CCU
-
SEA
2 stops31h 30m
Air France
Wed 27/114:15
SEA
-
CCU
2 stops28h 00m
Air France
Deal found 22/6₹ 112,640
Tue 13/1017:00
CCU
-
SEA
2 stops31h 22m
Multiple Airlines
Mon 25/114:15
SEA
-
CCU
2 stops28h 00m
Multiple Airlines
Deal found 22/6₹ 112,734
Wed 12/801:00
CCU
-
SEA
2 stops31h 20m
Multiple Airlines
Mon 16/1100:10
SEA
-
CCU
2 stops34h 10m
Multiple Airlines
Deal found 24/6₹ 114,245
Tue 11/819:00
CCU
-
SEA
2 stops29h 07m
KLM
Tue 18/813:50
SEA
-
CCU
2 stops32h 15m
KLM
Deal found 26/6₹ 117,077
Wed 15/702:00
CCU
-
SEA
2 stops30h 20m
Multiple Airlines
Mon 21/901:30
SEA
-
CCU
2 stops34h 45m
Multiple Airlines
Deal found 25/6₹ 117,455
Wed 23/923:30
CCU
-
SEA
1 stop21h 45m
Multiple Airlines
Thu 15/1012:50
SEA
-
CCU
2 stops23h 25m
Multiple Airlines
Deal found 26/6₹ 118,682
Fri 17/702:00
CCU
-
SEA
2 stops30h 20m
Multiple Airlines
Tue 29/901:30
SEA
-
CCU
2 stops34h 45m
Multiple Airlines
Deal found 27/6₹ 119,910
Sat 8/802:00
CCU
-
SEA
2 stops30h 15m
Multiple Airlines
Mon 31/801:55
SEA
-
CCU
2 stops34h 20m
Multiple Airlines
Deal found 23/6₹ 120,854
Wed 23/923:30
CCU
-
SEA
1 stop21h 45m
Multiple Airlines
Mon 19/1012:50
SEA
-
CCU
2 stops23h 25m
Multiple Airlines
Deal found 26/6₹ 121,326
Mon 21/923:30
CCU
-
SEA
1 stop21h 45m
Multiple Airlines
Thu 15/1012:50
SEA
-
CCU
2 stops23h 25m
Multiple Airlines
Deal found 26/6₹ 122,742

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 27 June 2026.

Round-trip from

₹ 107,730

One-way from

₹ 79,877

Popular in

July

Cheapest in

January

Average price

₹ 128,124
5/8-14/11
  • 5/8-14/11
  • 4 total stops
  • 65h 25m total
  • Kolkata to Seattle
Search Deals
24/7
  • 24/7
  • 2 total stops
  • 57h 20m total
  • Kolkata to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (₹ 1,591,130 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (₹ 344,136 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 454,620 searches. Data last updated 27 June 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 return flight

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 10/7

21:30-20:37

2 stops35h 37m

Seattle/Tacoma Intl

Mon 13/7

23:56-20:30

2 stops32h 04m

₹ 109,901

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 19/7

21:40-16:20

2 stops31h 10m

Seattle/Tacoma Intl

Tue 18/8

13:50-08:15

2 stops29h 55m

₹ 133,695

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 12/8

09:50-13:25

1 stop40h 05m

Seattle/Tacoma Intl

Sun 15/11

16:05-07:40

1 stop26h 05m

₹ 134,828

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 15/10

09:50-13:25

1 stop40h 05m

Seattle/Tacoma Intl

Mon 25/1

16:05-07:40

1 stop26h 05m

₹ 134,922

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 23/9

09:50-13:25

1 stop40h 05m

Seattle/Tacoma Intl

Thu 15/10

17:15-19:15

1 stop37h 30m

₹ 135,300

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 20/9

09:50-13:25

1 stop40h 05m

Seattle/Tacoma Intl

Mon 19/10

17:15-08:10

1 stop26h 25m

₹ 135,300

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 6/8

15:10-17:20

2 stops38h 40m

Seattle/Tacoma Intl

Sun 15/11

19:05-16:50

2 stops32h 15m

₹ 136,433

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 18/7

21:40-10:40

2 stops49h 30m

Seattle/Tacoma Intl

Wed 30/9

19:15-19:55

2 stops36h 10m

₹ 137,094

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 22/7

09:50-13:25

1 stop40h 05m

Seattle/Tacoma Intl

Thu 29/10

17:05-18:50

1 stop37h 15m

₹ 137,188

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 26/9

20:55-13:25

1 stop29h 00m

Seattle/Tacoma Intl

Wed 30/9

17:15-08:10

1 stop26h 25m

₹ 138,604

Flights are sorted by cheapest return flights first.

Deals found on 26/6

Showing 1-10 of 21 resultsSorted by cheapest first
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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 return 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, January is the cheapest month in which you can book a flight from Kolkata to Seattle (average of ₹ 97,910). Flying from Kolkata to Seattle in July is currently the most expensive (average of ₹ 156,638). 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 for a return flight from Kolkata to Seattle?

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?

    There are many flights that can get you from Kolkata to Seattle in 31h 10m. Fly via KLM or Emirates to get the fastest option. Airlines will cover a distance of 11626 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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 holiday 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 ₹ 97,910). Flying from Kolkata to Seattle in July is currently the most expensive (average of ₹ 156,638). 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

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Kolkata to Seattle?

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Why should you use Cheapflights to find cheap flight tickets from Kolkata to Seattle?

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Can Cheapflights find flights from Kolkata to Seattle with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Kolkata to Seattle flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Kolkata to Seattle become cheaper?

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