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Cheap flights from Seattle to Kolkata from ₹ 38,831

SEA — CCU
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Kolkata

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Kolkata

Tue 17/1123:30 -
2 stops27h 15m
Sun 13/1214:35 -
2 stops41h 05m
Deal found 6/11₹ 129,686
Tue 17/1123:30 -
2 stops27h 15m
Sat 12/1214:35 -
2 stops41h 05m
Deal found 6/11₹ 133,242
Tue 17/1100:10 -
2 stops26h 35m
Sun 13/1214:35 -
2 stops41h 05m
Deal found 6/11₹ 133,616
Tue 17/1123:30 -
2 stops27h 15m
Tue 8/1214:35 -
2 stops41h 05m
Deal found 10/11₹ 133,710
Tue 17/1100:10 -
2 stops26h 35m
Fri 11/1214:35 -
2 stops41h 05m
Deal found 6/11₹ 134,271
Sat 28/1119:05 -
2 stops55h 05m
Wed 9/1222:25 -
2 stops32h 15m
Deal found 8/11₹ 135,113
Tue 17/1100:10 -
2 stops26h 35m
Sat 12/1214:35 -
2 stops41h 05m
Deal found 6/11₹ 137,172
Tue 17/1123:30 -
2 stops27h 15m
Fri 4/1214:35 -
2 stops41h 05m
Deal found 10/11₹ 137,265
Sun 15/1108:40 -
1 stop37h 45m
Sun 13/1200:50 -
2 stops31h 25m
Deal found 6/11₹ 139,324
Sun 15/1108:40 -
1 stop37h 45m
Mon 7/1200:50 -
2 stops27h 45m
Deal found 6/11₹ 140,353
Thu 12/1110:05 -
2 stops40h 40m
Tue 17/1101:55 -
2 stops43h 40m
Deal found 8/11₹ 141,102
Tue 17/1100:10 -
2 stops26h 35m
Mon 7/1201:55 -
2 stops29h 45m
Deal found 10/11₹ 141,757

Find flight deals from Seattle to Kolkata

Round-trip from

₹ 129,031

One-way from

₹ 38,831

Popular in

December

Cheapest in

April

Average price

₹ 121,452
Turkish Airlines
  • Turkish Airlines
  • 29/4-3/5
  • 4 total stops
  • 62h 15m total
  • Seattle to Kolkata
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Singapore Airlines
  • Singapore Airlines
  • 25/4-31/12
  • 1 total stop
  • 23h 50m total
  • Seattle to Kolkata
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (₹ 1,221,245 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (₹ 412,278 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
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Cheapflights Fare Finder

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

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Price

Cheapest return flight
Fastest return journey

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Sun 25/4

10:15-22:35

1 stop23h 50m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 38,831

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Tue 27/4

17:59-20:50

3 stops38h 21m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 62,691

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Mon 26/4

17:59-14:25

3 stops31h 56m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 62,691

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Sun 25/4

17:59-14:25

3 stops31h 56m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 64,001

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Tue 8/12

15:40-08:20

2 stops51h 10m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 79,066

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Mon 7/12

15:40-17:50

3 stops36h 40m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 80,282

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Thu 3/12

10:25-06:55

2 stops31h 00m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 81,031

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Mon 7/12

14:35-08:45

2 stops28h 40m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 96,844

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Fri 4/12

19:05-15:40

2 stops55h 05m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 110,411

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Fri 20/11

15:50-23:10

2 stops41h 50m

Kolkata Netaji S. Chandra

Wed 31/12

00:00-10:30

Nonstop0h 00m

₹ 140,353

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from Seattle with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Kolkata

How far ahead should I book a flight from Seattle to Kolkata?

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Kolkata. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Kolkata?

Currently, April is the cheapest month in which you can book a flight from Seattle to Kolkata (average of ₹ 92,727). Flying from Seattle to Kolkata in December is currently the most expensive (average of ₹ 164,494). 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 Seattle to Kolkata?

Airfare is typical for this route at the moment.

Seattle to Kolkata flights typically cost between ₹ 98,434 and ₹ 140,821 in April.
The cheapest return price found within the last 5 days was ₹ 129,031 on Turkish Airlines (29 Apr–3 May).

Related info for your journey

  • How long is the flight from Seattle to Kolkata?

    For as low as ₹ 152,049, Qatar Airways can have you in Kolkata from Seattle in 31h. Airlines will cover a distance of 11626 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Seattle to Kolkata that include hotel bookings?

    Yes. In addition to deals on Seattle to Kolkata flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Kolkata?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Kolkata.

  • Can I find deals for business class flights from Seattle to Kolkata?

    Yes. Cheapflights offers flight deals from Seattle to Kolkata 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 Seattle to Kolkata?

    Currently, April is the cheapest month in which you can book a flight from Seattle to Kolkata (average of ₹ 92,727). Flying from Seattle to Kolkata in December is currently the most expensive (average of ₹ 164,494). 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 Seattle to Kolkata

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Certainly. Search results for flights to Kolkata from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Kolkata from Seattle today and book when prices fit your budget.

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