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Cheap flights from Kolkata to Seattle from ₹ 48,709

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 17/3. 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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Find the cheapest flights from Kolkata to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
23:30 - 08:45
CCU
-
SEA
21h 45m
1 stop
Singapore Airlines Logo
10:15 - 22:15
SEA
-
CCU
23h 30m
1 stop
₹ 83,488Singapore Airlines
Thu, 14 May - Tue, 11 Aug
Multiple Airlines Logo
18:00 - 11:15
CCU
-
SEA
29h 45m
2 stops
Multiple Airlines Logo
13:50 - 08:05
SEA
-
CCU
29h 45m
2 stops
₹ 86,857Multiple Airlines
Sun, 14 Jun - Mon, 28 Sep
Multiple Airlines Logo
18:00 - 11:15
CCU
-
SEA
29h 45m
2 stops
Multiple Airlines Logo
13:45 - 08:25
SEA
-
CCU
30h 10m
2 stops
₹ 86,948Multiple Airlines
Mon, 8 Jun - Mon, 19 Oct
Virgin Atlantic Logo
22:00 - 20:01
CCU
-
SEA
34h 31m
2 stops
Virgin Atlantic Logo
18:20 - 17:50
SEA
-
CCU
35h 00m
2 stops
₹ 90,863Virgin Atlantic
Sun, 14 Jun - Mon, 28 Sep
Multiple Airlines Logo
18:00 - 11:15
CCU
-
SEA
29h 45m
2 stops
Multiple Airlines Logo
17:40 - 08:25
SEA
-
CCU
50h 15m
2 stops
₹ 91,318Multiple Airlines
Mon, 25 May - Tue, 1 Sep
KLM Logo
19:05 - 11:15
CCU
-
SEA
28h 40m
2 stops
KLM Logo
13:45 - 08:05
SEA
-
CCU
29h 50m
2 stops
₹ 95,142KLM
Sat, 1 Aug - Thu, 15 Oct
Singapore Airlines Logo
23:40 - 08:45
CCU
-
SEA
21h 35m
1 stop
Singapore Airlines Logo
10:15 - 22:15
SEA
-
CCU
23h 30m
1 stop
₹ 96,417Singapore Airlines
Sat, 1 Aug - Thu, 15 Oct
Multiple Airlines Logo
23:40 - 08:45
CCU
-
SEA
21h 35m
1 stop
Multiple Airlines Logo
21:25 - 22:35
SEA
-
CCU
36h 40m
2 stops
₹ 97,782Multiple Airlines
Wed, 29 Apr - Tue, 28 Jul
Multiple Airlines Logo
00:30 - 20:05
CCU
-
SEA
56h 05m
2 stops
Multiple Airlines Logo
10:15 - 22:15
SEA
-
CCU
23h 30m
1 stop
₹ 98,329Multiple Airlines
Sun, 24 May - Tue, 1 Sep
Singapore Airlines Logo
23:40 - 08:45
CCU
-
SEA
21h 35m
1 stop
Singapore Airlines Logo
10:15 - 22:15
SEA
-
CCU
23h 30m
1 stop
₹ 98,420Singapore Airlines
Wed, 29 Apr - Tue, 28 Jul

KLM flights from Kolkata to Seattle

Our best KLM deals on Kolkata to Seattle flight tickets
KLM
1 Aug
CCU19:05Kolkata Netaji S. Chandra
28h 40m
2 stops
SEA11:15Seattle/Tacoma Intl
15 Oct
SEA13:45Seattle/Tacoma Intl
29h 50m
2 stops
CCU08:05Kolkata Netaji S. Chandra
₹ 95,142
KLM
11 Mar
CCU18:30Kolkata Netaji S. Chandra
30h 25m
2 stops
SEA12:25Seattle/Tacoma Intl
5 Aug
SEA13:30Seattle/Tacoma Intl
30h 25m
2 stops
CCU08:25Kolkata Netaji S. Chandra
₹ 107,706
KLM
11 Mar
CCU18:30Kolkata Netaji S. Chandra
30h 35m
2 stops
SEA12:35Seattle/Tacoma Intl
4 Aug
SEA13:30Seattle/Tacoma Intl
31h 05m
2 stops
CCU09:05Kolkata Netaji S. Chandra
₹ 112,168

Singapore Airlines flights from Kolkata to Seattle

Our best Singapore Airlines deals on Kolkata to Seattle flight tickets
Singapore Airlines
14 May
CCU23:30Kolkata Netaji S. Chandra
21h 45m
1 stop
SEA08:45Seattle/Tacoma Intl
11 Aug
SEA10:15Seattle/Tacoma Intl
23h 30m
1 stop
CCU22:15Kolkata Netaji S. Chandra
₹ 83,488
Singapore Airlines
1 Aug
CCU23:40Kolkata Netaji S. Chandra
21h 35m
1 stop
SEA08:45Seattle/Tacoma Intl
15 Oct
SEA10:15Seattle/Tacoma Intl
23h 30m
1 stop
CCU22:15Kolkata Netaji S. Chandra
₹ 96,417
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
₹ 98,420

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 1 March 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

Thu 14/5

23:30-08:45

1 stop21h 45m

Seattle/Tacoma Intl

Tue 11/8

10:15-22:15

1 stop23h 30m

₹ 83,488

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 14/6

18:00-11:15

2 stops29h 45m

Seattle/Tacoma Intl

Mon 28/9

13:50-08:05

2 stops29h 45m

₹ 86,857

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 8/6

18:00-11:15

2 stops29h 45m

Seattle/Tacoma Intl

Mon 19/10

13:45-08:25

2 stops30h 10m

₹ 86,948

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 14/6

22:00-20:01

2 stops34h 31m

Seattle/Tacoma Intl

Mon 28/9

18:20-17:50

2 stops35h 00m

₹ 90,863

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 25/5

18:00-11:15

2 stops29h 45m

Seattle/Tacoma Intl

Tue 1/9

17:40-08:25

2 stops50h 15m

₹ 91,318

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 1/8

19:05-11:15

2 stops28h 40m

Seattle/Tacoma Intl

Thu 15/10

13:45-08:05

2 stops29h 50m

₹ 95,142

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 1/8

23:40-08:45

1 stop21h 35m

Seattle/Tacoma Intl

Thu 15/10

10:15-22:15

1 stop23h 30m

₹ 96,417

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

₹ 97,782

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 24/5

00:30-20:05

2 stops56h 05m

Seattle/Tacoma Intl

Tue 1/9

10:15-22:15

1 stop23h 30m

₹ 98,329

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

₹ 98,420

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 ₹ 105,521.

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 ₹ 118,511 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 ₹ 84,399 on momondo.

Can stopping save me money on Kolkata to Seattle flights?

You could potentially save up to 9% 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 March 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 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 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 ₹ 89,401Free CancellationRating
8.2
1,465 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom ₹ 114,659Free CancellationRating
7.4
3,745 reviews
Search Qatar Airways flights
EmiratesPriceFrom ₹ 122,860Free CancellationRating
8.1
3,536 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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