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Cheap flights from Kolkata to Seattle from ₹ 44,014

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 23/1. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
23:00 - 21:48
CCU
-
SEA
36h 18m3 stops
Multiple Airlines Logo
22:51 - 19:55
SEA
-
CCU
32h 34m2 stops
₹ 82,707Multiple Airlines
Thu, 12 Feb - Sat, 14 Mar
Multiple Airlines Logo
17:30 - 19:05
CCU
-
SEA
39h 05m3 stops
Multiple Airlines Logo
09:45 - 22:25
SEA
-
CCU
24h 10m1 stop
₹ 87,126Multiple Airlines
Mon, 9 Feb - Fri, 13 Mar
Singapore Airlines Logo
23:40 - 07:10
CCU
-
SEA
21h 00m1 stop
Singapore Airlines Logo
09:45 - 22:25
SEA
-
CCU
24h 10m1 stop
₹ 87,216Singapore Airlines
Thu, 12 Feb - Sat, 14 Mar
Singapore Airlines Logo
23:30 - 08:45
CCU
-
SEA
21h 45m1 stop
Singapore Airlines Logo
10:15 - 22:15
SEA
-
CCU
23h 30m1 stop
₹ 87,397Singapore Airlines
Wed, 29 Apr - Tue, 28 Jul
Multiple Airlines Logo
21:30 - 13:20
CCU
-
SEA
29h 20m2 stops
Multiple Airlines Logo
16:00 - 10:05
SEA
-
CCU
29h 35m2 stops
₹ 87,577Multiple Airlines
Thu, 12 Feb - Sat, 14 Mar
Multiple Airlines Logo
21:30 - 11:25
CCU
-
SEA
27h 25m2 stops
Multiple Airlines Logo
16:00 - 07:45
SEA
-
CCU
27h 15m2 stops
₹ 87,667Multiple Airlines
Wed, 11 Feb - Sat, 14 Mar
Multiple Airlines Logo
23:40 - 16:04
CCU
-
SEA
29h 54m2 stops
Multiple Airlines Logo
10:15 - 22:15
SEA
-
CCU
23h 30m1 stop
₹ 88,208Multiple Airlines
Tue, 24 Feb - Tue, 12 May
Multiple Airlines Logo
17:30 - 19:05
CCU
-
SEA
39h 05m3 stops
Multiple Airlines Logo
09:45 - 22:25
SEA
-
CCU
24h 10m1 stop
₹ 88,299Multiple Airlines
Mon, 9 Feb - Fri, 13 Mar
Multiple Airlines Logo
19:00 - 19:05
CCU
-
SEA
37h 35m3 stops
Multiple Airlines Logo
09:45 - 22:25
SEA
-
CCU
24h 10m1 stop
₹ 88,389Multiple Airlines
Tue, 10 Feb - Thu, 12 Mar
KLM Logo
18:30 - 11:25
CCU
-
SEA
30h 25m2 stops
KLM Logo
14:05 - 10:45
SEA
-
CCU
32h 10m2 stops
₹ 90,012KLM
Wed, 25 Feb - Tue, 12 May

Singapore Airlines flights from Kolkata to Seattle

Our best Singapore Airlines deals on Kolkata to Seattle flight tickets
Singapore Airlines
12 Feb
CCU23:40Kolkata Netaji S. Chandra
21h 00m
1 stop
SEA07:10Seattle/Tacoma Intl
14 Mar
SEA09:45Seattle/Tacoma Intl
24h 10m
1 stop
CCU22:25Kolkata Netaji S. Chandra
₹ 87,216
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
₹ 87,397
Find similar
Singapore Airlines
24 Feb
CCU23:40Kolkata Netaji S. Chandra
45h 00m
1 stop
SEA07:10Seattle/Tacoma Intl
12 May
SEA10:15Seattle/Tacoma Intl
23h 30m
1 stop
CCU22:15Kolkata Netaji S. Chandra
₹ 90,553
Find similar

KLM flights from Kolkata to Seattle

Our best KLM deals on Kolkata to Seattle flight tickets
KLM
25 Feb
CCU18:30Kolkata Netaji S. Chandra
30h 25m
2 stops
SEA11:25Seattle/Tacoma Intl
12 May
SEA14:05Seattle/Tacoma Intl
32h 10m
2 stops
CCU10:45Kolkata Netaji S. Chandra
₹ 90,012
Find similar
KLM
13 Feb
CCU18:30Kolkata Netaji S. Chandra
30h 25m
2 stops
SEA11:25Seattle/Tacoma Intl
15 Mar
SEA16:00Seattle/Tacoma Intl
29h 35m
2 stops
CCU10:05Kolkata Netaji S. Chandra
₹ 95,424
Find similar
KLM
24 Feb
CCU18:30Kolkata Netaji S. Chandra
30h 40m
2 stops
SEA11:40Seattle/Tacoma Intl
13 May
SEA14:05Seattle/Tacoma Intl
29h 50m
2 stops
CCU08:25Kolkata Netaji S. Chandra
₹ 101,196
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 11 December 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

Thu 12/2

23:00-21:48

3 stops36h 18m

Seattle/Tacoma Intl

Sat 14/3

22:51-19:55

2 stops32h 34m

₹ 82,707

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 9/2

17:30-19:05

3 stops39h 05m

Seattle/Tacoma Intl

Fri 13/3

09:45-22:25

1 stop24h 10m

₹ 87,126

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 12/2

23:40-07:10

1 stop21h 00m

Seattle/Tacoma Intl

Sat 14/3

09:45-22:25

1 stop24h 10m

₹ 87,216

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

₹ 87,397

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 12/2

21:30-13:20

2 stops29h 20m

Seattle/Tacoma Intl

Sat 14/3

16:00-10:05

2 stops29h 35m

₹ 87,577

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 11/2

21:30-11:25

2 stops27h 25m

Seattle/Tacoma Intl

Sat 14/3

16:00-07:45

2 stops27h 15m

₹ 87,667

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 24/2

23:40-16:04

2 stops29h 54m

Seattle/Tacoma Intl

Tue 12/5

10:15-22:15

1 stop23h 30m

₹ 88,208

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 9/2

17:30-19:05

3 stops39h 05m

Seattle/Tacoma Intl

Fri 13/3

09:45-22:25

1 stop24h 10m

₹ 88,299

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 10/2

19:00-19:05

3 stops37h 35m

Seattle/Tacoma Intl

Thu 12/3

09:45-22:25

1 stop24h 10m

₹ 88,389

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 25/2

18:30-11:25

2 stops30h 25m

Seattle/Tacoma Intl

Tue 12/5

14:05-10:45

2 stops32h 10m

₹ 90,012

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 January, then book flights to Seattle from Kolkata during April instead. Flights to Seattle in April, while not as cheap as those in January, still average around ₹ 105,706.

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 ₹ 131,488. Flights from Kolkata to Seattle on a Sunday will generally be more expensive and average around ₹ 157,817. 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 ₹ 130,376. Try not to purchase tickets in the evening because they tend to be around ₹ 142,649. 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 ₹ 120,430 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 ₹ 83,609 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 December 2025, prices for Kolkata to Seattle flights are approximately 30% 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 45m

Direct flights

None
The fastest flight from Kolkata to Seattle takes 21h 45m
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 45m.

  • 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 ₹ 90,951Free CancellationRating
8.1
1,412 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom ₹ 113,585Free CancellationRating
7.4
3,677 reviews
Search Qatar Airways flights
EmiratesPriceFrom ₹ 120,386Free CancellationRating
8.1
3,434 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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