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Cheap flights from Seattle to Kolkata from ₹ 30,335

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Kolkata departing on 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
10:15 - 22:15
SEA
-
CCU
23h 30m
1 stop
Singapore Airlines Logo
23:30 - 08:45
CCU
-
SEA
21h 45m
1 stop
₹ 54,603Singapore Airlines
Fri, 17 Apr - Mon, 27 Apr
Singapore Airlines Logo
10:15 - 22:15
SEA
-
CCU
23h 30m
1 stop
Singapore Airlines Logo
23:40 - 08:45
CCU
-
SEA
21h 35m
1 stop
₹ 55,890Singapore Airlines
Fri, 24 Apr - Sat, 9 May
Singapore Airlines Logo
10:15 - 22:15
SEA
-
CCU
23h 30m
1 stop
Singapore Airlines Logo
23:40 - 08:45
CCU
-
SEA
21h 35m
1 stop
₹ 56,074Singapore Airlines
Fri, 24 Apr - Sat, 9 May
Multiple Airlines Logo
21:35 - 22:15
SEA
-
CCU
36h 10m
2 stops
Multiple Airlines Logo
23:30 - 08:45
CCU
-
SEA
21h 45m
1 stop
₹ 66,186Multiple Airlines
Mon, 27 Apr - Thu, 7 May
Multiple Airlines Logo
10:15 - 22:15
SEA
-
CCU
23h 30m
1 stop
Multiple Airlines Logo
23:30 - 14:42
CCU
-
SEA
27h 42m
2 stops
₹ 66,645Multiple Airlines
Fri, 17 Apr - Mon, 27 Apr
Multiple Airlines Logo
21:24 - 22:15
SEA
-
CCU
36h 21m
2 stops
Multiple Airlines Logo
23:40 - 08:45
CCU
-
SEA
21h 35m
1 stop
₹ 71,425Multiple Airlines
Fri, 24 Apr - Sat, 9 May
Singapore Airlines Logo
10:15 - 22:15
SEA
-
CCU
23h 30m
1 stop
Singapore Airlines Logo
23:40 - 08:45
CCU
-
SEA
45h 35m
1 stop
₹ 77,033Singapore Airlines
Thu, 7 May - Sun, 17 May
Multiple Airlines Logo
10:15 - 22:15
SEA
-
CCU
23h 30m
1 stop
Multiple Airlines Logo
23:40 - 23:05
CCU
-
SEA
35h 55m
2 stops
₹ 77,584Multiple Airlines
Thu, 7 May - Sun, 17 May
Turkish Airlines Logo
19:00 - 15:45
SEA
-
CCU
31h 15m
2 stops
Turkish Airlines Logo
19:05 - 17:15
CCU
-
SEA
58h 40m
2 stops
₹ 81,721Turkish Airlines
Mon, 16 Feb - Mon, 30 Mar
Turkish Airlines Logo
19:10 - 15:35
SEA
-
CCU
31h 55m
2 stops
Turkish Airlines Logo
22:15 - 17:15
CCU
-
SEA
55h 30m
2 stops
₹ 86,685Turkish Airlines
Fri, 24 Apr - Sat, 9 May

Singapore Airlines flights from Seattle to Kolkata

Our best Singapore Airlines deals on Seattle to Kolkata flight tickets
Singapore Airlines
24 Apr
SEA10:15Seattle/Tacoma Intl
23h 30m
1 stop
CCU22:15Kolkata Netaji S. Chandra
9 May
CCU23:40Kolkata Netaji S. Chandra
21h 35m
1 stop
SEA08:45Seattle/Tacoma Intl
₹ 54,511
Singapore Airlines
17 Apr
SEA10:15Seattle/Tacoma Intl
23h 30m
1 stop
CCU22:15Kolkata Netaji S. Chandra
27 Apr
CCU23:30Kolkata Netaji S. Chandra
21h 45m
1 stop
SEA08:45Seattle/Tacoma Intl
₹ 54,603
Singapore Airlines
24 Apr
SEA10:15Seattle/Tacoma Intl
23h 30m
1 stop
CCU22:15Kolkata Netaji S. Chandra
9 May
CCU23:40Kolkata Netaji S. Chandra
21h 35m
1 stop
SEA08:45Seattle/Tacoma Intl
₹ 55,890

Turkish Airlines flights from Seattle to Kolkata

Our best Turkish Airlines deals on Seattle to Kolkata flight tickets
Turkish Airlines
16 Feb
SEA19:00Seattle/Tacoma Intl
31h 15m
2 stops
CCU15:45Kolkata Netaji S. Chandra
30 Mar
CCU19:05Kolkata Netaji S. Chandra
58h 40m
2 stops
SEA17:15Seattle/Tacoma Intl
₹ 81,721
Turkish Airlines
12 Apr
SEA19:10Seattle/Tacoma Intl
29h 15m
2 stops
CCU12:55Kolkata Netaji S. Chandra
3 May
CCU22:15Kolkata Netaji S. Chandra
31h 30m
2 stops
SEA17:15Seattle/Tacoma Intl
₹ 82,916
Turkish Airlines
24 Apr
SEA19:10Seattle/Tacoma Intl
29h 15m
2 stops
CCU12:55Kolkata Netaji S. Chandra
9 May
CCU19:05Kolkata Netaji S. Chandra
58h 40m
2 stops
SEA17:15Seattle/Tacoma Intl
₹ 86,685

momondo Fare Finder

 
Customise your flight search to find flights from Seattle to Kolkata that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 59,053 searches. Data last updated 30 January 2026.
Use the filters below to find and compare flights from Seattle to Kolkata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Fri 17/4

10:15-22:15

1 stop23h 30m

Kolkata Netaji S. Chandra

Mon 27/4

23:30-08:45

1 stop21h 45m

₹ 54,603

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Fri 24/4

10:15-22:15

1 stop23h 30m

Kolkata Netaji S. Chandra

Sat 9/5

23:40-08:45

1 stop21h 35m

₹ 55,890

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Fri 24/4

10:15-22:15

1 stop23h 30m

Kolkata Netaji S. Chandra

Sat 9/5

23:40-08:45

1 stop21h 35m

₹ 56,074

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Mon 27/4

21:35-22:15

2 stops36h 10m

Kolkata Netaji S. Chandra

Thu 7/5

23:30-08:45

1 stop21h 45m

₹ 66,186

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Fri 17/4

10:15-22:15

1 stop23h 30m

Kolkata Netaji S. Chandra

Mon 27/4

23:30-14:42

2 stops27h 42m

₹ 66,645

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Fri 24/4

21:24-22:15

2 stops36h 21m

Kolkata Netaji S. Chandra

Sat 9/5

23:40-08:45

1 stop21h 35m

₹ 71,425

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Thu 7/5

10:15-22:15

1 stop23h 30m

Kolkata Netaji S. Chandra

Sun 17/5

23:40-08:45

1 stop45h 35m

₹ 77,033

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Thu 7/5

10:15-22:15

1 stop23h 30m

Kolkata Netaji S. Chandra

Sun 17/5

23:40-23:05

2 stops35h 55m

₹ 77,584

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Mon 16/2

19:00-15:45

2 stops31h 15m

Kolkata Netaji S. Chandra

Mon 30/3

19:05-17:15

2 stops58h 40m

₹ 81,721

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Fri 24/4

19:10-15:35

2 stops31h 55m

Kolkata Netaji S. Chandra

Sat 9/5

22:15-17:15

2 stops55h 30m

₹ 86,685

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 cheapest month to fly to Kolkata?

If you are unable to visit Kolkata during the month of September, then departing from Seattle during the month January is also very affordable. Most momondo users find prices during this month for around ₹ 86,501.

How far in advance should I book a flight 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 ₹ 102,243 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 ₹ 77,125 on momondo.

How have Seattle to Kolkata flight prices changed over time?

As of January 2026, prices for Seattle to Kolkata flights are approximately 36% 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

Fastest flight time

23h 30m

Direct flights

None
The fastest flight from Seattle to Kolkata takes 23h 30m
There are no direct flights from Seattle to Kolkata. There are no popular flight routes from Seattle to Kolkata.
Search flight deals

  • 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 23h 30m, 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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