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Cheap flights from Kolkata to Seattle from ₹ 44,000

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kolkata to Seattle departing on 19/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Kolkata to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
23:00 - 19:05CCU-SEA
33h 35m3 stops
Multiple Airlines Logo
22:51 - 16:50SEA-CCU
29h 29m2 stops
₹ 79,484Multiple Airlines
Find Deal
Mon, 2 Feb - Sun, 8 Mar
Multiple Airlines Logo
23:00 - 19:05CCU-SEA
33h 35m3 stops
Multiple Airlines Logo
22:51 - 20:15SEA-CCU
31h 54m2 stops
₹ 82,944Multiple Airlines
Find Deal
Sun, 1 Feb - Thu, 5 Mar
Multiple Airlines Logo
00:50 - 18:40CCU-SEA
55h 20m2 stops
Multiple Airlines Logo
09:45 - 22:25SEA-CCU
24h 10m1 stop
₹ 83,742Multiple Airlines
Find Deal
Sun, 1 Feb - Sun, 8 Mar
Singapore Airlines Logo
23:40 - 07:10CCU-SEA
21h 00m1 stop
Singapore Airlines Logo
09:45 - 22:25SEA-CCU
24h 10m1 stop
₹ 85,250Singapore Airlines
Find Deal
Mon, 2 Feb - Sun, 8 Mar
Multiple Airlines Logo
23:40 - 16:47CCU-SEA
30h 37m2 stops
Multiple Airlines Logo
09:45 - 22:25SEA-CCU
24h 10m1 stop
₹ 86,670Multiple Airlines
Find Deal
Mon, 2 Feb - Sun, 8 Mar
Multiple Airlines Logo
23:00 - 20:34CCU-SEA
35h 04m3 stops
Multiple Airlines Logo
08:45 - 22:25SEA-CCU
24h 10m1 stop
₹ 86,847Multiple Airlines
Find Deal
Fri, 30 Jan - Thu, 5 Mar
Multiple Airlines Logo
23:00 - 19:05CCU-SEA
33h 35m3 stops
Multiple Airlines Logo
08:45 - 22:25SEA-CCU
24h 10m1 stop
₹ 86,936Multiple Airlines
Find Deal
Sun, 1 Feb - Thu, 5 Mar
Singapore Airlines Logo
23:40 - 07:10CCU-SEA
45h 00m1 stop
Singapore Airlines Logo
08:45 - 22:25SEA-CCU
24h 10m1 stop
₹ 88,621Singapore Airlines
Find Deal
Sun, 1 Feb - Thu, 5 Mar
Multiple Airlines Logo
23:00 - 19:05CCU-SEA
33h 35m3 stops
Multiple Airlines Logo
09:45 - 12:15SEA-CCU
38h 00m1 stop
₹ 89,154Multiple Airlines
Find Deal
Fri, 30 Jan - Tue, 10 Mar
Multiple Airlines Logo
00:50 - 18:40CCU-SEA
31h 20m2 stops
Multiple Airlines Logo
08:45 - 22:25SEA-CCU
24h 10m1 stop
₹ 89,952Multiple Airlines
Find Deal
Mon, 2 Feb - Thu, 5 Mar

Singapore Airlines flights from Kolkata to Seattle

Our best Singapore Airlines deals on Kolkata to Seattle flight tickets
Singapore Airlines
2 Feb
CCU23:40Kolkata Netaji S. Chandra
21h 00m
1 stop
SEA07:10Seattle/Tacoma Intl
8 Mar
SEA09:45Seattle/Tacoma Intl
24h 10m
1 stop
CCU22:25Kolkata Netaji S. Chandra
₹ 85,250
Find similar
Singapore Airlines
1 Feb
CCU23:40Kolkata Netaji S. Chandra
45h 00m
1 stop
SEA07:10Seattle/Tacoma Intl
5 Mar
SEA08:45Seattle/Tacoma Intl
24h 10m
1 stop
CCU22:25Kolkata Netaji S. Chandra
₹ 88,621
Find similar
Singapore Airlines
24 Mar
CCU23:40Kolkata Netaji S. Chandra
45h 00m
1 stop
SEA08:10Seattle/Tacoma Intl
16 Jun
SEA10:15Seattle/Tacoma Intl
23h 30m
1 stop
CCU22:15Kolkata Netaji S. Chandra
₹ 94,388
Find similar

KLM flights from Kolkata to Seattle

Our best KLM deals on Kolkata to Seattle flight tickets
KLM
1 Feb
CCU18:30Kolkata Netaji S. Chandra
30h 40m
2 stops
SEA11:40Seattle/Tacoma Intl
6 Mar
SEA15:05Seattle/Tacoma Intl
29h 20m
2 stops
CCU09:55Kolkata Netaji S. Chandra
₹ 90,396
Find similar
KLM
20 Nov
CCU20:45Kolkata Netaji S. Chandra
52h 10m
2 stops
SEA11:25Seattle/Tacoma Intl
4 Dec
SEA13:40Seattle/Tacoma Intl
29h 45m
2 stops
CCU08:55Kolkata Netaji S. Chandra
₹ 120,291
Find similar
KLM
20 Nov
CCU20:45Kolkata Netaji S. Chandra
52h 10m
2 stops
SEA11:25Seattle/Tacoma Intl
4 Dec
SEA13:40Seattle/Tacoma Intl
30h 45m
2 stops
CCU09:55Kolkata Netaji S. Chandra
₹ 129,251
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Kolkata to Seattle 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 15 November 2025.
Use the filters below to find and compare flights from Kolkata to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 2/2

23:00-19:05

3 stops33h 35m

Seattle/Tacoma Intl

Sun 8/3

22:51-16:50

2 stops29h 29m

₹ 79,484

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 1/2

23:00-19:05

3 stops33h 35m

Seattle/Tacoma Intl

Thu 5/3

22:51-20:15

2 stops31h 54m

₹ 82,944

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 1/2

00:50-18:40

2 stops55h 20m

Seattle/Tacoma Intl

Sun 8/3

09:45-22:25

1 stop24h 10m

₹ 83,742

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 2/2

23:40-07:10

1 stop21h 00m

Seattle/Tacoma Intl

Sun 8/3

09:45-22:25

1 stop24h 10m

₹ 85,250

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 2/2

23:40-16:47

2 stops30h 37m

Seattle/Tacoma Intl

Sun 8/3

09:45-22:25

1 stop24h 10m

₹ 86,670

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 30/1

23:00-20:34

3 stops35h 04m

Seattle/Tacoma Intl

Thu 5/3

08:45-22:25

1 stop24h 10m

₹ 86,847

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 1/2

23:00-19:05

3 stops33h 35m

Seattle/Tacoma Intl

Thu 5/3

08:45-22:25

1 stop24h 10m

₹ 86,936

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 1/2

23:40-07:10

1 stop45h 00m

Seattle/Tacoma Intl

Thu 5/3

08:45-22:25

1 stop24h 10m

₹ 88,621

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 30/1

23:00-19:05

3 stops33h 35m

Seattle/Tacoma Intl

Tue 10/3

09:45-12:15

1 stop38h 00m

₹ 89,154

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 2/2

00:50-18:40

2 stops31h 20m

Seattle/Tacoma Intl

Thu 5/3

08:45-22:25

1 stop24h 10m

₹ 89,952

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 Seattle from

How to get the cheapest flight ticket from Kolkata to Seattle

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 Seattle?

If you aren’t able to travel during the month of December, then book flights to Seattle from Kolkata during November instead. Flights to Seattle in November, while not as cheap as those in December, still average around ₹ 100,775.

What is the cheapest day to depart on your flight to Seattle?

The cheapest day to depart from Kolkata to Seattle is on a Monday. Travellers who choose to depart for Seattle on a Monday will often find tickets for as low as ₹ 129,327. Flights from Kolkata to Seattle on a Sunday will generally be more expensive and average around ₹ 155,222. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Seattle?

Our data shows that the cheapest Kolkata to Seattle flights are usually those with departure times in the morning. Our users have found flights to Seattle in the morning for as low as ₹ 128,233. Try not to purchase tickets in the evening because they tend to be around ₹ 140,304. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Seattle from Kolkata when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around ₹ 117,984 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Kolkata for as low as ₹ 82,234 on momondo.

Can stopping save me money on Kolkata to Seattle flights?

You could potentially save up to 6% on your flight if you consider stops on a Kolkata to Seattle flight.

How have Kolkata to Seattle flight prices changed over time?

As of November 2025, prices for Kolkata to Seattle flights are approximately 20% cheaper when compared to flights at the same time last year.

When to book flights from Kolkata to Seattle

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

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

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

Direct flights

None
There are no direct flights from Kolkata to Seattle. There are no popular flight routes from Kolkata to Seattle.
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  • How far is Kolkata Netaji S. Chandra to Seattle/Tacoma Intl by plane?

    A flight from Kolkata Netaji S. Chandra to Seattle/Tacoma Intl will travel around 11621.6 km. A reasonable flight in good conditions will take 21h 00m.

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

    Prices for flights from Kolkata Netaji S. Chandra Airport to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Kolkata Netaji S. Chandra Airport to Seattle/Tacoma Intl Airport?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kolkata Netaji S. Chandra Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl 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.

  • What is the most popular airline from Kolkata to Seattle?

Best airlines flying from Kolkata to Seattle

Compare and see reviews for airlines that fly from Kolkata to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Singapore AirlinesPriceFrom ₹ 89,456Free CancellationRating
8.1
1,401 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom ₹ 111,718Free CancellationRating
7.4
3,663 reviews
Search Qatar Airways flights
EmiratesPriceFrom ₹ 118,407Free CancellationRating
8.1
3,411 reviews
Search Emirates flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Lacey
Port Orchard
Tacoma
Olympia
SeaTac
Leavenworth

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Kolkata.

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

All flight searches from Kolkata to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Kolkata to Seattle 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 Kolkata to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Kolkata to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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