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Cheap flights from Kolkata to Seattle from ₹ 60,276

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
15 Jul — 22 Jul1
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 15 June 2026.

Mon 6/703:50
CCU
-
SEA
2 stops42h 07m
Multiple Airlines
Fri 13/1111:42
SEA
-
CCU
2 stops25h 28m
Multiple Airlines
Deal found 15/6₹ 100,809
Mon 6/721:40
CCU
-
SEA
2 stops31h 10m
KLM
Sat 7/1113:40
SEA
-
CCU
2 stops28h 35m
KLM
Deal found 15/6₹ 113,149
Sat 4/702:00
CCU
-
SEA
2 stops30h 20m
Multiple Airlines
Sat 7/1100:10
SEA
-
CCU
2 stops35h 00m
Multiple Airlines
Deal found 13/6₹ 114,478
Thu 9/704:00
CCU
-
SEA
2 stops30h 04m
Qatar Airways
Thu 23/716:25
SEA
-
CCU
1 stop21h 35m
Qatar Airways
Deal found 13/6₹ 116,851
Sat 4/702:00
CCU
-
SEA
2 stops30h 20m
Multiple Airlines
Tue 17/1100:10
SEA
-
CCU
2 stops35h 00m
Multiple Airlines
Deal found 13/6₹ 117,041
Wed 9/902:00
CCU
-
SEA
2 stops29h 30m
Multiple Airlines
Sat 28/1100:10
SEA
-
CCU
2 stops35h 00m
Multiple Airlines
Deal found 15/6₹ 117,325
Wed 8/722:30
CCU
-
SEA
2 stops25h 33m
KLM
Sat 7/1113:40
SEA
-
CCU
2 stops28h 35m
KLM
Deal found 15/6₹ 117,515
Sat 4/702:00
CCU
-
SEA
2 stops30h 20m
Multiple Airlines
Thu 12/1100:10
SEA
-
CCU
2 stops35h 00m
Multiple Airlines
Deal found 14/6₹ 117,895
Wed 26/802:00
CCU
-
SEA
2 stops29h 40m
Multiple Airlines
Mon 12/1001:30
SEA
-
CCU
2 stops34h 45m
Multiple Airlines
Deal found 13/6₹ 118,085
Mon 24/802:00
CCU
-
SEA
2 stops30h 20m
Multiple Airlines
Mon 12/1001:30
SEA
-
CCU
2 stops34h 45m
Multiple Airlines
Deal found 13/6₹ 118,180
Mon 6/702:00
CCU
-
SEA
2 stops30h 20m
Multiple Airlines
Thu 5/1100:10
SEA
-
CCU
2 stops35h 00m
Multiple Airlines
Deal found 15/6₹ 119,793
Mon 6/702:00
CCU
-
SEA
2 stops29h 40m
Multiple Airlines
Sat 7/1123:30
SEA
-
CCU
2 stops35h 40m
Multiple Airlines
Deal found 15/6₹ 119,983

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 15 June 2026.

Round-trip from

₹ 100,809

One-way from

₹ 60,276

Popular in

August

Cheapest in

April

Average price

₹ 128,716
6/7-13/11
  • 6/7-13/11
  • 4 total stops
  • 67h 35m total
  • Kolkata to Seattle
Search Deals
Air France
  • Air France
  • 12/12
  • 2 total stops
  • 34h 28m total
  • Kolkata to Seattle
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (₹ 2,132,443 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (₹ 392,425 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 15 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

Sun 12/7

01:30-13:25

1 stop24h 25m

Seattle/Tacoma Intl

Thu 29/10

17:05-07:40

1 stop26h 05m

₹ 136,974

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 12/7

01:30-13:25

1 stop24h 25m

Seattle/Tacoma Intl

Wed 28/10

17:05-18:50

1 stop37h 15m

₹ 137,164

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 14/7

09:50-13:25

1 stop40h 05m

Seattle/Tacoma Intl

Mon 26/10

17:05-18:50

1 stop37h 15m

₹ 138,303

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 19/7

18:45-11:35

2 stops53h 20m

Seattle/Tacoma Intl

Mon 2/11

18:50-15:10

2 stops30h 50m

₹ 143,999

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 8/7

22:30-11:33

2 stops25h 33m

Seattle/Tacoma Intl

Fri 6/11

14:05-09:55

2 stops30h 20m

₹ 145,138

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 15/8

20:55-13:25

1 stop29h 00m

Seattle/Tacoma Intl

Sat 14/11

16:05-07:40

1 stop26h 05m

₹ 145,707

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 19/7

18:45-11:35

2 stops53h 20m

Seattle/Tacoma Intl

Thu 29/10

14:25-11:10

2 stops32h 15m

₹ 148,840

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 14/7

18:45-11:35

2 stops53h 20m

Seattle/Tacoma Intl

Wed 28/10

19:50-15:10

2 stops54h 50m

₹ 148,935

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 25/7

22:30-10:40

2 stops48h 40m

Seattle/Tacoma Intl

Fri 6/11

20:05-12:25

2 stops26h 50m

₹ 149,409
Fastest return journey

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 15/8

04:00-12:25

1 stop20h 55m

Seattle/Tacoma Intl

Sat 14/11

08:51-01:55

2 stops27h 34m

₹ 149,979

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 22 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, April is the cheapest month in which you can book a flight from Kolkata to Seattle (average of ₹ 95,968). Flying from Kolkata to Seattle in August is currently the most expensive (average of ₹ 169,248). 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 24h 25m. Fly via Emirates or British Airways 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, April is the cheapest month in which you can book a flight from Kolkata to Seattle (average of ₹ 95,968). Flying from Kolkata to Seattle in August is currently the most expensive (average of ₹ 169,248). 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?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Kolkata.

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?

Not ready to book yet? You can track prices for flights from Kolkata to Seattle on Cheapflights with our Price Alert feature and get notified when better prices are available.

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