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Cheap flights from Seattle to Kolkata from ₹ 47,610

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.
Singapore Airlines Logo
08:40 - 22:25SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
24h 15m1 stop Singapore Changi
Singapore Airlines Logo
23:40 - 07:05CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
20h 55m1 stop Singapore Changi
₹ 93,491Singapore Airlines
Sat, 9 Jan - Sat, 23 Jan
Multiple Airlines Logo
08:40 - 22:30SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
24h 20m1 stop Singapore Changi
Multiple Airlines Logo
23:40 - 21:13CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
35h 03m2 stops Singapore Changi San Francisco
₹ 93,587Multiple Airlines
Wed, 3 Feb - Wed, 17 Feb
Multiple Airlines Logo
08:40 - 22:25SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
24h 15m1 stop Singapore Changi
Multiple Airlines Logo
23:40 - 19:53CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
33h 43m2 stops Singapore Changi San Francisco
₹ 93,683Multiple Airlines
Tue, 12 Jan - Wed, 27 Jan
Multiple Airlines Logo
08:40 - 22:25SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
24h 15m1 stop Singapore Changi
Multiple Airlines Logo
23:40 - 16:26CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
30h 16m2 stops Singapore Changi San Francisco
₹ 99,539Multiple Airlines
Sat, 9 Jan - Sat, 23 Jan
Multiple Airlines Logo
08:40 - 22:25SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
24h 15m1 stop Singapore Changi
Multiple Airlines Logo
23:40 - 20:40CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
34h 30m3 stops Singapore Changi Tokyo Narita Los Angeles Los Angeles
₹ 100,115Multiple Airlines
Tue, 12 Jan - Wed, 27 Jan
Singapore Airlines Logo
08:40 - 22:30SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
24h 20m1 stop Singapore Changi
Singapore Airlines Logo
23:50 - 08:45CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
45h 25m1 stop Singapore Changi
₹ 100,978Singapore Airlines
Wed, 17 Feb - Tue, 30 Mar
Multiple Airlines Logo
14:40 - 19:40SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
39h 30m2 stops New York John F Kennedy Intl Mumbai Chhatrapati Shivaji Intl
Multiple Airlines Logo
08:20 - 16:31CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
45h 41m2 stops Mumbai Chhatrapati Shivaji Intl New York John F Kennedy Intl
₹ 101,266Multiple Airlines
Wed, 3 Feb - Wed, 17 Feb
Multiple Airlines Logo
23:18 - 16:55SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
29h 07m2 stops New York John F Kennedy Intl Mumbai Chhatrapati Shivaji Intl
Multiple Airlines Logo
22:30 - 11:55CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
25h 55m2 stops New Delhi Indira Gandhi Intl San Francisco
₹ 103,090Multiple Airlines
Sun, 18 Oct - Sun, 25 Oct
Air India Logo
23:10 - 16:45SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
28h 05m2 stops New York John F Kennedy Intl Mumbai Chhatrapati Shivaji Intl
Air India Logo
20:25 - 16:15CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
32h 20m2 stops Mumbai Chhatrapati Shivaji Intl New York John F Kennedy Intl
₹ 104,530Air India
Wed, 17 Feb - Tue, 30 Mar
Multiple Airlines Logo
00:10 - 11:45SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
46h 05m2 stops Taipei City Taiwan Taoyuan Intl New Delhi Indira Gandhi Intl
Multiple Airlines Logo
20:55 - 18:10CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
58h 45m2 stops New Delhi Indira Gandhi Intl Taipei City Taiwan Taoyuan Intl
₹ 104,722Multiple Airlines
Sun, 31 Jan - Mon, 22 Feb

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Singapore Airlines flights from Seattle to Kolkata

Our best Singapore Airlines deals on Seattle to Kolkata flight tickets
Singapore Airlines
9 Jan
SEA08:40Seattle/Tacoma Intl
24h 15m
1 stop
CCU22:25Kolkata Netaji S. Chandra
23 Jan
CCU23:40Kolkata Netaji S. Chandra
20h 55m
1 stop
SEA07:05Seattle/Tacoma Intl
₹ 93,491
Singapore Airlines
17 Feb
SEA08:40Seattle/Tacoma Intl
24h 20m
1 stop
CCU22:30Kolkata Netaji S. Chandra
30 Mar
CCU23:50Kolkata Netaji S. Chandra
45h 25m
1 stop
SEA08:45Seattle/Tacoma Intl
₹ 100,978
Singapore Airlines
12 Jan
SEA08:40Seattle/Tacoma Intl
24h 15m
1 stop
CCU22:25Kolkata Netaji S. Chandra
27 Jan
CCU23:40Kolkata Netaji S. Chandra
44h 55m
1 stop
SEA07:05Seattle/Tacoma Intl
₹ 104,818

Air India flights from Seattle to Kolkata

Our best Air India deals on Seattle to Kolkata flight tickets
Air India
17 Feb
SEA23:10Seattle/Tacoma Intl
28h 05m
2 stops
CCU16:45Kolkata Netaji S. Chandra
30 Mar
CCU20:25Kolkata Netaji S. Chandra
32h 20m
2 stops
SEA16:15Seattle/Tacoma Intl
₹ 104,530
Air India
27 Oct
SEA07:00Seattle/Tacoma Intl
48h 10m
2 stops
CCU19:40Kolkata Netaji S. Chandra
17 Nov
CCU14:35Kolkata Netaji S. Chandra
35h 51m
2 stops
SEA12:56Seattle/Tacoma Intl
₹ 105,778
Air India
6 Jan
SEA23:00Seattle/Tacoma Intl
31h 10m
2 stops
CCU19:40Kolkata Netaji S. Chandra
20 Jan
CCU19:05Kolkata Netaji S. Chandra
30h 08m
2 stops
SEA11:43Seattle/Tacoma Intl
₹ 106,258

momondo Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Sat 9/1

08:40-22:25

1 stop24h 15m

Kolkata Netaji S. Chandra

Sat 23/1

23:40-07:05

1 stop20h 55m

₹ 93,491

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Wed 3/2

08:40-22:30

1 stop24h 20m

Kolkata Netaji S. Chandra

Wed 17/2

23:40-21:13

2 stops35h 03m

₹ 93,587

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Tue 12/1

08:40-22:25

1 stop24h 15m

Kolkata Netaji S. Chandra

Wed 27/1

23:40-19:53

2 stops33h 43m

₹ 93,683

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Sat 9/1

08:40-22:25

1 stop24h 15m

Kolkata Netaji S. Chandra

Sat 23/1

23:40-16:26

2 stops30h 16m

₹ 99,539

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Tue 12/1

08:40-22:25

1 stop24h 15m

Kolkata Netaji S. Chandra

Wed 27/1

23:40-20:40

3 stops34h 30m

₹ 100,115

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Wed 17/2

08:40-22:30

1 stop24h 20m

Kolkata Netaji S. Chandra

Tue 30/3

23:50-08:45

1 stop45h 25m

₹ 100,978

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Wed 3/2

14:40-19:40

2 stops39h 30m

Kolkata Netaji S. Chandra

Wed 17/2

08:20-16:31

2 stops45h 41m

₹ 101,266

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Sun 18/10

23:18-16:55

2 stops29h 07m

Kolkata Netaji S. Chandra

Sun 25/10

22:30-11:55

2 stops25h 55m

₹ 103,090

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Wed 17/2

23:10-16:45

2 stops28h 05m

Kolkata Netaji S. Chandra

Tue 30/3

20:25-16:15

2 stops32h 20m

₹ 104,530

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Sun 31/1

00:10-11:45

2 stops46h 05m

Kolkata Netaji S. Chandra

Mon 22/2

20:55-18:10

2 stops58h 45m

₹ 104,722

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 ₹ 81,397 to ₹ 148,012.
The lowest price recently found on this route was ₹ 93,491.

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 ₹ 95,987.

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 ₹ 113,137 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 ₹ 89,748 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 September 2026, prices for Seattle to Kolkata flights are approximately 26% more expensive 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

₹ 47,610

Fastest flight time

24h 15m

Direct flights

None
The best one-way flight to Kolkata from Seattle in the past 72 hours is ₹ 47,610. The best return flight deal from Seattle to Kolkata found on momondo in the last 72 hours is ₹ 93,491.
The fastest flight from Seattle to Kolkata takes 24h 15m
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 24h 15m, 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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