What is the cheapest airline that flies from Seattle/Tacoma Intl to Kolkata Netaji S. Chandra?

Etihad Airways and Qatar Airways are the most popular carriers operating from Seattle/Tacoma Intl to Kolkata Netaji S. Chandra

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?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. 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 travel and health documents required for your trip to Kolkata Netaji S. Chandra Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Kolkata Netaji S. Chandra Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

R11 709 Cheap Flights from Seattle to Kolkata in 2026/27

Find the cheapest flights from Seattle to Kolkata

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

0:10 - 11:45SEA Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra

46h 05m2 stops Taipei City Taiwan Taoyuan Intl New Delhi Indira Gandhi Intl

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

R17 718Multiple Airlines

Sun, Jan 31 - Mon, Feb 22

0:10 - 9:00SEA Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra

43h 20m2 stops Taipei City Taiwan Taoyuan Intl New Delhi Indira Gandhi Intl

19:05 - 18:10CCU Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl

60h 35m2 stops New Delhi Indira Gandhi Intl Taipei City Taiwan Taoyuan Intl

R17 799Multiple Airlines

Wed, Jan 27 - Tue, Feb 2

21:25 - 22:25SEA Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra

35h 30m2 stops San Francisco Singapore Changi

23:20 - 7:05CCU Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl

21h 15m1 stop Singapore Changi

R19 342Multiple Airlines

Mon, Feb 1 - Mon, Feb 22

0:10 - 16:15SEA Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra

26h 35m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

7:00 - 18:10CCU Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl

48h 40m2 stops New Delhi Indira Gandhi Intl Taipei City Taiwan Taoyuan Intl

R19 797Multiple Airlines

Sun, Nov 8 - Wed, Jan 20

19:05 - 12:40SEA Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra

28h 05m2 stops Istanbul New Delhi Indira Gandhi Intl

21:30 - 17:10CCU Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl

33h 10m2 stops Mumbai Chhatrapati Shivaji Intl Istanbul

R20 268Turkish Airlines

Thu, Jan 7 - Sun, Jan 24

0:10 - 16:15SEA Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra

26h 35m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

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

R20 284Multiple Airlines

Tue, Nov 10 - Mon, Nov 30

8:40 - 22:25SEA Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra

24h 15m1 stop Singapore Changi

23:50 - 22:26CCU Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl

35h 06m2 stops Singapore Changi San Francisco

R20 430Multiple Airlines

Tue, Feb 23 - Tue, Mar 30

0:10 - 16:15SEA Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra

26h 35m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

19:05 - 18:10CCU Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl

60h 35m2 stops New Delhi Indira Gandhi Intl Taipei City Taiwan Taoyuan Intl

R20 446Multiple Airlines

Thu, Nov 12 - Tue, Dec 1

15:25 - 8:55SEA Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra

29h 00m2 stops Amsterdam Schiphol Bengaluru Intl

21:30 - 13:50CCU Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl

29h 50m2 stops Mumbai Chhatrapati Shivaji Intl Paris Charles de Gaulle

R21 128Multiple Airlines

Mon, Oct 26 - Mon, Nov 16

13:45 - 8:15SEA Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra

30h 00m2 stops Amsterdam Schiphol Mumbai Chhatrapati Shivaji Intl

21:30 - 13:50CCU Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl

29h 50m2 stops Mumbai Chhatrapati Shivaji Intl Paris Charles de Gaulle

R21 145Multiple Airlines

Wed, Oct 21 - Mon, Nov 16

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Turkish Airlines flights from Seattle to Kolkata

Our best Turkish Airlines deals on Seattle to Kolkata flight tickets

Turkish Airlines

Jan 7

SEA19:05Seattle/Tacoma Intl

28h 15m

2 stops

CCU12:50Kolkata Netaji S. Chandra

Jan 22

CCU18:45Kolkata Netaji S. Chandra

35h 55m

2 stops

SEA17:10Seattle/Tacoma Intl

R20 268

Turkish Airlines

Oct 19

SEA19:15Seattle/Tacoma Intl

31h 45m

2 stops

CCU15:30Kolkata Netaji S. Chandra

Nov 18

CCU18:45Kolkata Netaji S. Chandra

35h 55m

2 stops

SEA17:10Seattle/Tacoma Intl

R21 908

Turkish Airlines

Oct 19

SEA19:15Seattle/Tacoma Intl

29h 05m

2 stops

CCU12:50Kolkata Netaji S. Chandra

Nov 14

CCU21:30Kolkata Netaji S. Chandra

33h 10m

2 stops

SEA17:10Seattle/Tacoma Intl

R22 492

Qatar Airways flights from Seattle to Kolkata

Our best Qatar Airways deals on Seattle to Kolkata flight tickets

Qatar Airways

Feb 1

SEA15:50Seattle/Tacoma Intl

20h 35m

1 stop

CCU1:55Kolkata Netaji S. Chandra

Feb 21

CCU3:25Kolkata Netaji S. Chandra

21h 45m

1 stop

SEA11:40Seattle/Tacoma Intl

R21 469

Qatar Airways

Oct 20

SEA16:25Seattle/Tacoma Intl

21h 15m

1 stop

CCU2:10Kolkata Netaji S. Chandra

Nov 18

CCU3:25Kolkata Netaji S. Chandra

21h 45m

1 stop

SEA11:40Seattle/Tacoma Intl

R23 093

Qatar Airways

Oct 22

SEA6:39Seattle/Tacoma Intl

31h 01m

2 stops

CCU2:10Kolkata Netaji S. Chandra

Nov 19

CCU3:25Kolkata Netaji S. Chandra

21h 45m

1 stop

SEA11:40Seattle/Tacoma Intl

R23 434

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Sun 31/1

0:10-11:45

2 stops46h 05m

Kolkata Netaji S. Chandra

Mon 22/2

20:55-18:10

2 stops58h 45m

R17 718

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Wed 27/1

0:10-9:00

2 stops43h 20m

Kolkata Netaji S. Chandra

Tue 2/2

19:05-18:10

2 stops60h 35m

R17 799

Fastest return journey

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Mon 1/2

21:25-22:25

2 stops35h 30m

Kolkata Netaji S. Chandra

Mon 22/2

23:20-7:05

1 stop21h 15m

R19 342

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Sun 8/11

0:10-16:15

2 stops26h 35m

Kolkata Netaji S. Chandra

Wed 20/1

7:00-18:10

2 stops48h 40m

R19 797

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Thu 7/1

19:05-12:40

2 stops28h 05m

Kolkata Netaji S. Chandra

Sun 24/1

21:30-17:10

2 stops33h 10m

R20 268

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Tue 10/11

0:10-16:15

2 stops26h 35m

Kolkata Netaji S. Chandra

Mon 30/11

20:55-18:10

2 stops58h 45m

R20 284

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Tue 23/2

8:40-22:25

1 stop24h 15m

Kolkata Netaji S. Chandra

Tue 30/3

23:50-22:26

2 stops35h 06m

R20 430

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Thu 12/11

0:10-16:15

2 stops26h 35m

Kolkata Netaji S. Chandra

Tue 1/12

19:05-18:10

2 stops60h 35m

R20 446

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Mon 26/10

15:25-8:55

2 stops29h 00m

Kolkata Netaji S. Chandra

Mon 16/11

21:30-13:50

2 stops29h 50m

R21 128

SeattleKolkata

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

SEACCU

Seattle/Tacoma Intl

Wed 21/10

13:45-8:15

2 stops30h 00m

Kolkata Netaji S. Chandra

Mon 16/11

21:30-13:50

2 stops29h 50m

R21 145

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 R13 772 to R25 042.
The lowest price recently found on this route was R17 718.

What is the cheapest month to fly to Kolkata?

In general, April is the cheapest month to fly from Seattle to Kolkata. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R16 094. If you aren’t able to travel to Kolkata during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of R16 240.

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 R19 142 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 R15 184 on momondo.

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	R11 709
Direct flights	None

The best one-way flight to Kolkata from Seattle in the past 72 hours is R11 709. The best return flight deal from Seattle to Kolkata found on momondo in the last 72 hours is R17 718.

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?
Kolkata Netaji S. Chandra is 11621,6 km away from Seattle/Tacoma Intl.
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?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. 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 travel and health documents required for your trip to Kolkata Netaji S. Chandra Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Kolkata Netaji S. Chandra Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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?

Yes. momondo allows you to filter the results for Seattle to Kolkata flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Kolkata from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Kolkata from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.