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Cheap flights from Kolkata to Seattle from ₹ 44,432

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 5/12. 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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Cheap return flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
23:30 - 08:45CCU-SEA
21h 45m1 stop
Singapore Airlines Logo
10:15 - 22:15SEA-CCU
23h 30m1 stop
₹ 87,434Singapore Airlines
Find Deal
Wed, 29 Apr - Tue, 28 Jul
Singapore Airlines Logo
23:30 - 08:45CCU-SEA
21h 45m1 stop
Singapore Airlines Logo
10:15 - 22:15SEA-CCU
23h 30m1 stop
₹ 87,524Singapore Airlines
Find Deal
Wed, 29 Apr - Tue, 28 Jul
KLM Logo
18:30 - 11:50CCU-SEA
30h 50m2 stops
KLM Logo
15:05 - 08:55SEA-CCU
28h 20m2 stops
₹ 90,742KLM
Find Deal
Thu, 29 Jan - Mon, 2 Feb
KLM Logo
20:15 - 11:50CCU-SEA
29h 05m2 stops
KLM Logo
15:05 - 07:10SEA-CCU
26h 35m2 stops
₹ 90,832KLM
Find Deal
Thu, 29 Jan - Mon, 2 Feb
KLM Logo
20:15 - 11:50CCU-SEA
29h 05m2 stops
KLM Logo
14:15 - 07:45SEA-CCU
28h 00m2 stops
₹ 91,189KLM
Find Deal
Thu, 29 Jan - Mon, 2 Feb
Multiple Airlines Logo
23:30 - 16:18CCU-SEA
29h 18m2 stops
Multiple Airlines Logo
21:25 - 22:15SEA-CCU
36h 20m2 stops
₹ 92,977Multiple Airlines
Find Deal
Wed, 29 Apr - Tue, 28 Jul
Multiple Airlines Logo
23:30 - 16:18CCU-SEA
29h 18m2 stops
Multiple Airlines Logo
21:25 - 22:15SEA-CCU
36h 20m2 stops
₹ 93,156Multiple Airlines
Find Deal
Wed, 29 Apr - Tue, 28 Jul
Multiple Airlines Logo
23:30 - 08:45CCU-SEA
21h 45m1 stop
Multiple Airlines Logo
07:00 - 22:15SEA-CCU
26h 45m2 stops
₹ 97,447Multiple Airlines
Find Deal
Wed, 29 Apr - Tue, 28 Jul
Multiple Airlines Logo
23:30 - 08:45CCU-SEA
21h 45m1 stop
Multiple Airlines Logo
07:00 - 22:15SEA-CCU
26h 45m2 stops
₹ 97,537Multiple Airlines
Find Deal
Wed, 29 Apr - Tue, 28 Jul
Multiple Airlines Logo
23:30 - 20:28CCU-SEA
33h 28m3 stops
Multiple Airlines Logo
21:25 - 22:15SEA-CCU
36h 20m2 stops
₹ 104,153Multiple Airlines
Find Deal
Wed, 29 Apr - Tue, 28 Jul

Singapore Airlines flights from Kolkata to Seattle

Our best Singapore Airlines deals on Kolkata to Seattle flight tickets
Singapore Airlines
29 Apr
CCU23:30Kolkata Netaji S. Chandra
21h 45m
1 stop
SEA08:45Seattle/Tacoma Intl
28 Jul
SEA10:15Seattle/Tacoma Intl
23h 30m
1 stop
CCU22:15Kolkata Netaji S. Chandra
₹ 86,898
Find similar
Singapore Airlines
29 Apr
CCU23:30Kolkata Netaji S. Chandra
21h 45m
1 stop
SEA08:45Seattle/Tacoma Intl
28 Jul
SEA10:15Seattle/Tacoma Intl
23h 30m
1 stop
CCU22:15Kolkata Netaji S. Chandra
₹ 87,434
Find similar
Singapore Airlines
29 Apr
CCU23:30Kolkata Netaji S. Chandra
21h 45m
1 stop
SEA08:45Seattle/Tacoma Intl
28 Jul
SEA10:15Seattle/Tacoma Intl
23h 30m
1 stop
CCU22:15Kolkata Netaji S. Chandra
₹ 87,524
Find similar

KLM flights from Kolkata to Seattle

Our best KLM deals on Kolkata to Seattle flight tickets
KLM
29 Jan
CCU18:30Kolkata Netaji S. Chandra
30h 50m
2 stops
SEA11:50Seattle/Tacoma Intl
2 Feb
SEA15:05Seattle/Tacoma Intl
28h 20m
2 stops
CCU08:55Kolkata Netaji S. Chandra
₹ 90,742
Find similar
KLM
29 Jan
CCU20:15Kolkata Netaji S. Chandra
29h 05m
2 stops
SEA11:50Seattle/Tacoma Intl
2 Feb
SEA15:05Seattle/Tacoma Intl
26h 35m
2 stops
CCU07:10Kolkata Netaji S. Chandra
₹ 90,832
Find similar
KLM
29 Jan
CCU18:30Kolkata Netaji S. Chandra
30h 50m
2 stops
SEA11:50Seattle/Tacoma Intl
2 Feb
SEA14:15Seattle/Tacoma Intl
30h 20m
2 stops
CCU10:05Kolkata Netaji S. Chandra
₹ 90,921
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 29 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

Wed 29/4

23:30-08:45

1 stop21h 45m

Seattle/Tacoma Intl

Tue 28/7

10:15-22:15

1 stop23h 30m

₹ 87,434

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 29/4

23:30-08:45

1 stop21h 45m

Seattle/Tacoma Intl

Tue 28/7

10:15-22:15

1 stop23h 30m

₹ 87,524

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 29/1

18:30-11:50

2 stops30h 50m

Seattle/Tacoma Intl

Mon 2/2

15:05-08:55

2 stops28h 20m

₹ 90,742

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 29/1

20:15-11:50

2 stops29h 05m

Seattle/Tacoma Intl

Mon 2/2

15:05-07:10

2 stops26h 35m

₹ 90,832

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 29/1

20:15-11:50

2 stops29h 05m

Seattle/Tacoma Intl

Mon 2/2

14:15-07:45

2 stops28h 00m

₹ 91,189

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 29/4

23:30-16:18

2 stops29h 18m

Seattle/Tacoma Intl

Tue 28/7

21:25-22:15

2 stops36h 20m

₹ 92,977

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 29/4

23:30-16:18

2 stops29h 18m

Seattle/Tacoma Intl

Tue 28/7

21:25-22:15

2 stops36h 20m

₹ 93,156

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 29/4

23:30-08:45

1 stop21h 45m

Seattle/Tacoma Intl

Tue 28/7

07:00-22:15

2 stops26h 45m

₹ 97,447

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 29/4

23:30-08:45

1 stop21h 45m

Seattle/Tacoma Intl

Tue 28/7

07:00-22:15

2 stops26h 45m

₹ 97,537

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 29/4

23:30-20:28

3 stops33h 28m

Seattle/Tacoma Intl

Tue 28/7

21:25-22:15

2 stops36h 20m

₹ 104,153

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 April instead. Flights to Seattle in April, while not as cheap as those in December, still average around ₹ 105,315.

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 ₹ 130,335. Flights from Kolkata to Seattle on a Sunday will generally be more expensive and average around ₹ 156,432. 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 ₹ 129,232. Try not to purchase tickets in the evening because they tend to be around ₹ 141,397. 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 ₹ 118,710 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 ₹ 82,875 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

Fastest flight time

21h 00m

Direct flights

None
The fastest flight from Kolkata to Seattle takes 21h 00m
There are no direct flights from Kolkata to Seattle. There are no popular flight routes from Kolkata to Seattle.
Search flight deals

  • 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 25m.

  • 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 ₹ 90,153Free CancellationRating
8.1
1,411 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom ₹ 112,588Free CancellationRating
7.4
3,678 reviews
Search Qatar Airways flights
EmiratesPriceFrom ₹ 119,329Free CancellationRating
8.1
3,424 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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