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Cheap flights from Kolkata to Seattle from ₹ 57,960

CCU — SEA
4 Nov — 11 Nov1
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

Mon 12/1021:30 -
2 stops48h 31m
Mon 19/1023:55 -
2 stops32h 05m
Deal found 30/9₹ 103,733
Tue 20/1002:00 -
2 stops29h 50m
Tue 17/1123:30 -
2 stops35h 40m
Deal found 2/10₹ 116,784
Thu 12/1101:55 -
2 stops29h 45m
Tue 29/1200:10 -
2 stops26h 35m
Deal found 30/9₹ 117,360
Mon 9/1101:55 -
2 stops29h 05m
Tue 17/1123:30 -
2 stops27h 15m
Deal found 30/9₹ 117,455
Wed 23/1220:55 -
2 stops25h 20m
Tue 5/108:40 -
1 stop24h 15m
Deal found 2/10₹ 118,607
Wed 23/1222:30 -
2 stops28h 55m
Wed 6/114:25 -
2 stops27h 40m
Deal found 2/10₹ 118,895
Fri 25/1220:55 -
2 stops24h 55m
Wed 6/108:40 -
1 stop24h 20m
Deal found 2/10₹ 120,622
Sun 8/1121:30 -
2 stops31h 14m
Mon 16/1114:35 -
2 stops27h 30m
Deal found 2/10₹ 121,006
Mon 9/1121:05 -
2 stops28h 12m
Mon 16/1114:35 -
2 stops27h 30m
Deal found 2/10₹ 121,102

Find flight deals from Kolkata to Seattle

Round-trip from

₹ 114,961

One-way from

₹ 57,960

Popular in

July

Cheapest in

April

Average price

₹ 142,981
1/2-1/2
  • 1/2-1/2
  • 4 total stops
  • 54h 38m total
  • Kolkata to Seattle
Search Deals
16/11-31/12
  • 16/11-31/12
  • 3 total stops
  • 55h 13m total
  • Kolkata to Seattle
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (₹ 1,912,193 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (₹ 357,845 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Fri 6/11

00:50-18:45

3 stops55h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 58,536
Fastest return journey

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Sun 15/11

00:50-15:05

2 stops27h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 62,278

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Fri 6/11

21:30-13:50

2 stops29h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 63,334

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Fri 20/11

21:30-13:50

2 stops29h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 63,430

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Wed 18/11

21:30-13:50

2 stops29h 50m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 63,430

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Fri 27/11

20:55-18:22

3 stops34h 57m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 70,819

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Fri 27/11

21:30-17:10

2 stops57h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 72,354

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Sun 10/1

21:30-17:10

2 stops57h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 83,198

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Wed 18/11

20:35-12:35

1 stop29h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 87,420

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Fri 27/11

20:35-12:35

1 stop29h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 87,708

Flights are sorted by cheapest return flights first.

Deals found on 4/10

Showing 1-10 of 18 resultsSorted by cheapest first
1
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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

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 ₹ 94,329). Flying from Kolkata to Seattle in July is currently the most expensive (average of ₹ 167,451). 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.

Related info for your journey

  • How long is the flight from Kolkata to Seattle?

    There are many flights that can get you from Kolkata to Seattle in 28h 12m. Fly via KLM or Turkish Airlines 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 ₹ 94,329). Flying from Kolkata to Seattle in July is currently the most expensive (average of ₹ 167,451). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Kolkata to Seattle

Kolkata to Portland flights
Kolkata to Bellingham flights

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