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Cheap flights from Kolkata to Seattle from ₹ 43,795

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 28/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Enter your travel dates to find the best prices.
Air France Logo
19:30 - 11:25
CCU
-
SEA
29h 25m2 stops
Air France Logo
14:15 - 10:05
SEA
-
CCU
30h 20m2 stops
₹ 92,086Air France
Wed, 4 Feb - Wed, 11 Feb
Singapore Airlines Logo
23:40 - 08:45
CCU
-
SEA
21h 35m1 stop
Singapore Airlines Logo
10:15 - 22:15
SEA
-
CCU
23h 30m1 stop
₹ 92,446Singapore Airlines
Wed, 29 Apr - Tue, 28 Jul
Singapore Airlines Logo
23:40 - 08:45
CCU
-
SEA
21h 35m1 stop
Singapore Airlines Logo
10:15 - 22:15
SEA
-
CCU
23h 30m1 stop
₹ 92,806Singapore Airlines
Wed, 29 Apr - Tue, 28 Jul
Multiple Airlines Logo
23:40 - 17:16
CCU
-
SEA
30h 06m2 stops
Multiple Airlines Logo
21:25 - 22:35
SEA
-
CCU
36h 40m2 stops
₹ 92,985Multiple Airlines
Wed, 29 Apr - Tue, 28 Jul
Multiple Airlines Logo
23:40 - 17:16
CCU
-
SEA
30h 06m2 stops
Multiple Airlines Logo
21:25 - 22:35
SEA
-
CCU
36h 40m2 stops
₹ 93,165Multiple Airlines
Wed, 29 Apr - Tue, 28 Jul
Multiple Airlines Logo
21:00 - 11:22
CCU
-
SEA
26h 52m2 stops
Multiple Airlines Logo
21:40 - 20:15
SEA
-
CCU
34h 05m2 stops
₹ 93,885Multiple Airlines
Wed, 6 May - Tue, 26 May
Multiple Airlines Logo
23:40 - 08:45
CCU
-
SEA
21h 35m1 stop
Multiple Airlines Logo
21:25 - 22:35
SEA
-
CCU
36h 40m2 stops
₹ 94,514Multiple Airlines
Wed, 29 Apr - Tue, 28 Jul
Multiple Airlines Logo
23:40 - 08:45
CCU
-
SEA
21h 35m1 stop
Multiple Airlines Logo
21:25 - 22:35
SEA
-
CCU
36h 40m2 stops
₹ 94,694Multiple Airlines
Wed, 29 Apr - Tue, 28 Jul
Singapore Airlines Logo
23:40 - 07:10
CCU
-
SEA
45h 00m1 stop
Singapore Airlines Logo
10:15 - 22:15
SEA
-
CCU
23h 30m1 stop
₹ 97,212Singapore Airlines
Tue, 17 Feb - Thu, 30 Apr
KLM Logo
19:00 - 11:15
CCU
-
SEA
28h 45m2 stops
KLM Logo
13:50 - 08:25
SEA
-
CCU
30h 05m2 stops
₹ 97,572KLM
Mon, 1 Jun - Sun, 18 Oct

Singapore Airlines flights from Kolkata to Seattle

Our best Singapore Airlines deals on Kolkata to Seattle flight tickets
Singapore Airlines
29 Apr
CCU23:40Kolkata Netaji S. Chandra
21h 35m
1 stop
SEA08:45Seattle/Tacoma Intl
28 Jul
SEA10:15Seattle/Tacoma Intl
23h 30m
1 stop
CCU22:15Kolkata Netaji S. Chandra
₹ 92,446
Find similar
Singapore Airlines
29 Apr
CCU23:40Kolkata Netaji S. Chandra
21h 35m
1 stop
SEA08:45Seattle/Tacoma Intl
28 Jul
SEA10:15Seattle/Tacoma Intl
23h 30m
1 stop
CCU22:15Kolkata Netaji S. Chandra
₹ 92,806
Find similar
Singapore Airlines
29 Apr
CCU23:40Kolkata Netaji S. Chandra
21h 35m
1 stop
SEA08:45Seattle/Tacoma Intl
28 Jul
SEA10:15Seattle/Tacoma Intl
23h 30m
1 stop
CCU22:15Kolkata Netaji S. Chandra
₹ 97,122
Find similar

Emirates flights from Kolkata to Seattle

Our best Emirates deals on Kolkata to Seattle flight tickets
Emirates
17 Feb
CCU09:15Kolkata Netaji S. Chandra
40h 50m
1 stop
SEA12:35Seattle/Tacoma Intl
21 Feb
SEA16:05Seattle/Tacoma Intl
26h 05m
1 stop
CCU07:40Kolkata Netaji S. Chandra
₹ 122,931
Find similar
Emirates
17 Feb
CCU09:15Kolkata Netaji S. Chandra
40h 50m
1 stop
SEA12:35Seattle/Tacoma Intl
21 Feb
SEA16:05Seattle/Tacoma Intl
26h 05m
1 stop
CCU07:40Kolkata Netaji S. Chandra
₹ 123,201
Find similar
Emirates
17 Feb
CCU09:15Kolkata Netaji S. Chandra
40h 50m
1 stop
SEA12:35Seattle/Tacoma Intl
21 Feb
SEA16:05Seattle/Tacoma Intl
26h 05m
1 stop
CCU07:40Kolkata Netaji S. Chandra
₹ 123,651
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 8 January 2026.
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 4/2

19:30-11:25

2 stops29h 25m

Seattle/Tacoma Intl

Wed 11/2

14:15-10:05

2 stops30h 20m

₹ 92,086

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 29/4

23:40-08:45

1 stop21h 35m

Seattle/Tacoma Intl

Tue 28/7

10:15-22:15

1 stop23h 30m

₹ 92,446

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 29/4

23:40-08:45

1 stop21h 35m

Seattle/Tacoma Intl

Tue 28/7

10:15-22:15

1 stop23h 30m

₹ 92,806

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 29/4

23:40-17:16

2 stops30h 06m

Seattle/Tacoma Intl

Tue 28/7

21:25-22:35

2 stops36h 40m

₹ 92,985

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 29/4

23:40-17:16

2 stops30h 06m

Seattle/Tacoma Intl

Tue 28/7

21:25-22:35

2 stops36h 40m

₹ 93,165

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 6/5

21:00-11:22

2 stops26h 52m

Seattle/Tacoma Intl

Tue 26/5

21:40-20:15

2 stops34h 05m

₹ 93,885

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 29/4

23:40-08:45

1 stop21h 35m

Seattle/Tacoma Intl

Tue 28/7

21:25-22:35

2 stops36h 40m

₹ 94,514

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 29/4

23:40-08:45

1 stop21h 35m

Seattle/Tacoma Intl

Tue 28/7

21:25-22:35

2 stops36h 40m

₹ 94,694

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 17/2

23:40-07:10

1 stop45h 00m

Seattle/Tacoma Intl

Thu 30/4

10:15-22:15

1 stop23h 30m

₹ 97,212

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 1/6

19:00-11:15

2 stops28h 45m

Seattle/Tacoma Intl

Sun 18/10

13:50-08:25

2 stops30h 05m

₹ 97,572

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 April, then book flights to Seattle from Kolkata during November instead. Flights to Seattle in November, while not as cheap as those in April, still average around ₹ 107,644.

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 ₹ 127,630 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 ₹ 83,363 on momondo.

Can stopping save me money on Kolkata to Seattle flights?

You could potentially save up to 19% 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 January 2026, prices for Kolkata to Seattle flights are approximately 39% more expensive 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 35m

Direct flights

None
The fastest flight from Kolkata to Seattle takes 21h 35m
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 35m.

  • 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 ₹ 90,943Free CancellationRating
8.1
1,429 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom ₹ 113,252Free CancellationRating
7.4
3,702 reviews
Search Qatar Airways flights
EmiratesPriceFrom ₹ 120,032Free CancellationRating
8.1
3,463 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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