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Cheap flights from Seattle to Kolkata from ₹ 39,029

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Kolkata

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:40 - 23:50SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
25h 40m2 stops Singapore Changi Bangkok Suvarnabhumi
Multiple Airlines Logo
00:30 - 18:10CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
31h 10m3 stops Bangkok Don Mueang Intl Da Nang Taipei City Taiwan Taoyuan Intl
₹ 129,126Multiple Airlines
Sat, 23 Jan - Mon, 1 Feb
Multiple Airlines Logo
16:05 - 10:15SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
28h 40m2 stops Dubai Intl Mumbai Chhatrapati Shivaji Intl
Multiple Airlines Logo
16:10 - 13:35CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
34h 55m2 stops New Delhi Indira Gandhi Intl Dubai Intl
₹ 129,220Multiple Airlines
Mon, 11 Jan - Thu, 28 Jan
Turkish Airlines Logo
19:20 - 10:45SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
26h 55m2 stops Istanbul New Delhi Indira Gandhi Intl
Turkish Airlines Logo
18:45 - 17:35CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
35h 20m2 stops Mumbai Chhatrapati Shivaji Intl Istanbul
₹ 129,691Turkish Airlines
Thu, 29 Apr - Mon, 3 May
Multiple Airlines Logo
15:50 - 01:55SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
20h 35m1 stop Doha Hamad Intl
Multiple Airlines Logo
03:25 - 18:43CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
28h 48m2 stops Doha Hamad Intl San Francisco
₹ 132,230Multiple Airlines
Mon, 11 Jan - Wed, 27 Jan
Multiple Airlines Logo
00:10 - 16:15SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
26h 35m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
14:35 - 18:10CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
41h 05m2 stops New Delhi Indira Gandhi Intl Taipei City Taiwan Taoyuan Intl
₹ 134,299Multiple Airlines
Tue, 17 Nov - Sun, 13 Dec
Multiple Airlines Logo
00:10 - 16:15SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
26h 35m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
14:35 - 18:10CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
41h 05m2 stops New Delhi Indira Gandhi Intl Taipei City Taiwan Taoyuan Intl
₹ 134,957Multiple Airlines
Tue, 17 Nov - Fri, 11 Dec
Multiple Airlines Logo
16:05 - 10:15SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
28h 40m2 stops Dubai Intl Mumbai Chhatrapati Shivaji Intl
Multiple Airlines Logo
18:30 - 13:35CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
32h 35m2 stops Dhaka Hazrat Shahjalal Intl Dubai Intl
₹ 135,334Multiple Airlines
Thu, 7 Jan - Wed, 20 Jan
Turkish Airlines Logo
19:05 - 15:40SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
55h 05m2 stops Istanbul Mumbai Chhatrapati Shivaji Intl
Turkish Airlines Logo
22:25 - 17:10CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
32h 15m2 stops New Delhi Indira Gandhi Intl Istanbul
₹ 135,804Turkish Airlines
Sat, 28 Nov - Wed, 9 Dec
Multiple Airlines Logo
00:10 - 16:15SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
26h 35m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
14:35 - 18:10CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
41h 05m2 stops New Delhi Indira Gandhi Intl Taipei City Taiwan Taoyuan Intl
₹ 137,873Multiple Airlines
Tue, 17 Nov - Sat, 12 Dec
Emirates Logo
16:05 - 19:00SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
37h 25m1 stop Dubai Intl
Emirates Logo
09:20 - 13:35CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
41h 45m1 stop Dubai Intl
₹ 139,378Emirates
Mon, 30 Nov - Wed, 9 Dec

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Singapore Airlines flights from Seattle to Kolkata

Our best Singapore Airlines deals on Seattle to Kolkata flight tickets
Singapore Airlines
29 Apr
SEA10:15Seattle/Tacoma Intl
23h 30m
1 stop
CCU22:15Kolkata Netaji S. Chandra
3 May
CCU23:50Kolkata Netaji S. Chandra
21h 25m
1 stop
SEA08:45Seattle/Tacoma Intl
₹ 140,318
Singapore Airlines
29 Apr
SEA10:15Seattle/Tacoma Intl
23h 30m
1 stop
CCU22:15Kolkata Netaji S. Chandra
3 May
CCU23:50Kolkata Netaji S. Chandra
21h 25m
1 stop
SEA08:45Seattle/Tacoma Intl
₹ 140,412

Qatar Airways flights from Seattle to Kolkata

Our best Qatar Airways deals on Seattle to Kolkata flight tickets
Qatar Airways
29 Apr
SEA07:00Seattle/Tacoma Intl
31h 00m
2 stops
CCU02:30Kolkata Netaji S. Chandra
3 May
CCU04:00Kolkata Netaji S. Chandra
20h 55m
1 stop
SEA12:25Seattle/Tacoma Intl
₹ 152,826
Qatar Airways
18 Nov
SEA15:50Seattle/Tacoma Intl
20h 35m
1 stop
CCU01:55Kolkata Netaji S. Chandra
9 Dec
CCU03:25Kolkata Netaji S. Chandra
28h 18m
2 stops
SEA18:13Seattle/Tacoma Intl
₹ 168,532
Qatar Airways
16 Nov
SEA15:50Seattle/Tacoma Intl
20h 35m
1 stop
CCU01:55Kolkata Netaji S. Chandra
7 Dec
CCU03:25Kolkata Netaji S. Chandra
28h 18m
2 stops
SEA18:13Seattle/Tacoma Intl
₹ 168,720

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Sat 23/1

08:40-23:50

2 stops25h 40m

Kolkata Netaji S. Chandra

Mon 1/2

00:30-18:10

3 stops31h 10m

₹ 129,126

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Mon 11/1

16:05-10:15

2 stops28h 40m

Kolkata Netaji S. Chandra

Thu 28/1

16:10-13:35

2 stops34h 55m

₹ 129,220

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Thu 29/4

19:20-10:45

2 stops26h 55m

Kolkata Netaji S. Chandra

Mon 3/5

18:45-17:35

2 stops35h 20m

₹ 129,691
Fastest return journey

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Mon 11/1

15:50-01:55

1 stop20h 35m

Kolkata Netaji S. Chandra

Wed 27/1

03:25-18:43

2 stops28h 48m

₹ 132,230

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Tue 17/11

00:10-16:15

2 stops26h 35m

Kolkata Netaji S. Chandra

Sun 13/12

14:35-18:10

2 stops41h 05m

₹ 134,299

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Tue 17/11

00:10-16:15

2 stops26h 35m

Kolkata Netaji S. Chandra

Fri 11/12

14:35-18:10

2 stops41h 05m

₹ 134,957

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Thu 7/1

16:05-10:15

2 stops28h 40m

Kolkata Netaji S. Chandra

Wed 20/1

18:30-13:35

2 stops32h 35m

₹ 135,334

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Sat 28/11

19:05-15:40

2 stops55h 05m

Kolkata Netaji S. Chandra

Wed 9/12

22:25-17:10

2 stops32h 15m

₹ 135,804

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Tue 17/11

00:10-16:15

2 stops26h 35m

Kolkata Netaji S. Chandra

Sat 12/12

14:35-18:10

2 stops41h 05m

₹ 137,873

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Mon 30/11

16:05-19:00

1 stop37h 25m

Kolkata Netaji S. Chandra

Wed 9/12

09:20-13:35

1 stop41h 45m

₹ 139,378

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Kolkata from

How to get the cheapest flight ticket from Seattle to Kolkata

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Kolkata?

Prices are currently typical for flights on this route.

Typical prices usually range from ₹ 98,937 to ₹ 141,541.
The lowest price recently found on this route was ₹ 129,126.

What is the cheapest month to fly to Kolkata?

If you are unable to visit Kolkata during the month of April, then departing from Seattle during the month March is also very affordable. Most momondo users find prices during this month for around ₹ 94,047.

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

You are more likely to see cheaper flights to Kolkata from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Kolkata for around ₹ 116,634 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kolkata from Seattle for as low as ₹ 87,934 on momondo.

Can stopping save me money on Seattle to Kolkata flights?

You could potentially save up to 24% on your flight if you consider stops on a Seattle to Kolkata flight.

How have Seattle to Kolkata flight prices changed over time?

As of November 2026, prices for Seattle to Kolkata flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Kolkata

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Kolkata according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Seattle to Kolkata (SEA to CCU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Kolkata

Best price found

₹ 39,029

Fastest flight time

20h 35m

Direct flights

None
The best one-way flight to Kolkata from Seattle in the past 72 hours is ₹ 39,029. The best return flight deal from Seattle to Kolkata found on momondo in the last 72 hours is ₹ 129,126.
The fastest flight from Seattle to Kolkata takes 20h 35m
There are no direct flights from Seattle to Kolkata. There are no popular flight routes from Seattle to Kolkata.
Search flight deals

Frequently asked questions about flying from Seattle to Kolkata

  • How far is Seattle/Tacoma Intl to Kolkata Netaji S. Chandra by plane?

    The straight-line distance from Seattle/Tacoma Intl to Kolkata Netaji S. Chandra is 11621.6 km. Flights usually cover this in 20h 35m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Kolkata Netaji S. Chandra Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Kolkata Netaji S. Chandra Airport are updated daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Kolkata Netaji S. Chandra Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Kolkata Netaji S. Chandra Airport.

  • What documentation or ID do you need to fly to Kolkata Netaji S. Chandra Airport?

    The necessary travel and health documents for your Kolkata Netaji S. Chandra Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Kolkata?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Kolkata . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Kolkata with flexible booking policies on momondo?

Flights from Seattle to Kolkata with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Kolkata?

Once all potential Seattle to Kolkata flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seattle to Kolkata right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to Kolkata flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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