Cheap flights from Kolkata to Seattle from ₹ 57,511

CCU — SEA
5 Dec — 12 Dec1
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

Tue 1/1209:20 -
1 stop41h 45m
Thu 31/1216:05 -
1 stop26h 05m
Deal found 4/11₹ 117,576
Tue 1/1209:20 -
1 stop41h 45m
Sat 2/116:05 -
1 stop26h 05m
Deal found 4/11₹ 122,779
Mon 30/1118:55 -
2 stops59h 45m
Wed 30/1219:05 -
2 stops55h 05m
Deal found 4/11₹ 126,657
Mon 30/1109:20 -
1 stop41h 45m
Thu 31/1216:05 -
1 stop26h 05m
Deal found 4/11₹ 126,941
Fri 27/1120:35 -
1 stop30h 30m
Thu 31/1216:05 -
1 stop26h 05m
Deal found 4/11₹ 129,589
Tue 1/1220:15 -
2 stops34h 25m
Mon 28/1219:05 -
2 stops52h 15m
Deal found 4/11₹ 129,684
Mon 30/1109:20 -
1 stop41h 45m
Sat 2/116:05 -
1 stop26h 05m
Deal found 4/11₹ 132,238
Sat 28/1118:55 -
2 stops59h 45m
Tue 29/1219:05 -
2 stops55h 05m
Deal found 4/11₹ 133,184
Sat 28/1118:55 -
2 stops59h 45m
Sat 2/119:05 -
2 stops55h 05m
Deal found 4/11₹ 133,278
Wed 16/1218:55 -
2 stops59h 45m
Wed 23/1219:05 -
2 stops55h 05m
Deal found 1/11₹ 134,602
Sat 19/1221:30 -
2 stops57h 10m
Sat 26/1219:05 -
2 stops55h 05m
Deal found 4/11₹ 134,792
Fri 27/1120:35 -
1 stop30h 30m
Fri 1/116:05 -
1 stop26h 05m
Deal found 4/11₹ 134,886

Find flight deals from Kolkata to Seattle

Round-trip from

₹ 114,076

One-way from

₹ 57,511

Popular in

July

Cheapest in

April

Average price

₹ 109,441
22/3-20/9
  • 22/3-20/9
  • 4 total stops
  • 64h 00m total
  • Kolkata to Seattle
2/12-31/12
  • 2/12-31/12
  • 3 total stops
  • 53h 26m total
  • Kolkata to Seattle
Highest demand for flights based on searches. 13% potential increase in price (₹ 1,892,293 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (₹ 350,733 potential savings vs. average return 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 return flight

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Thu 24/12

09:20-13:35

1 stop41h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 73,308

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Tue 1/12

09:20-13:35

1 stop41h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 73,308

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Tue 12/1

20:15-17:10

2 stops34h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 73,686

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Thu 26/11

21:30-17:10

2 stops57h 10m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 73,686

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Mon 11/1

00:50-16:47

3 stops53h 27m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 74,254
Fastest return journey

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Thu 26/11

20:35-13:35

1 stop30h 30m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 74,443

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Mon 8/2

09:20-13:35

1 stop41h 45m

Seattle/Tacoma Intl

Thu 4/3

16:05-07:40

1 stop26h 05m

₹ 115,495

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Tue 23/3

09:20-14:35

1 stop41h 45m

Seattle/Tacoma Intl

Tue 14/9

17:15-19:15

1 stop37h 30m

₹ 115,779

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Thu 29/4

20:55-13:25

1 stop29h 00m

Seattle/Tacoma Intl

Mon 3/5

17:15-19:15

1 stop37h 30m

₹ 117,954

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Tue 12/1

09:20-13:35

1 stop41h 45m

Seattle/Tacoma Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

₹ 118,238

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 13 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

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 ₹ 92,983). Flying from Kolkata to Seattle in July is currently the most expensive (average of ₹ 165,061). 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?

Airfare is typical for this route at the moment.

Kolkata to Seattle flights typically cost between ₹ 108,212 and ₹ 119,752 in March.
The cheapest return price found within the last 5 days was ₹ 114,076 on Multiple Airlines (22 Mar–20 Sept).

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 41h 45m. Fly via Emirates to get the fastest option. Airlines will cover a distance of 11626 km.

  • 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 ₹ 92,983). Flying from Kolkata to Seattle in July is currently the most expensive (average of ₹ 165,061). 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

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