Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Kolkata to Seattle from ₹ 63,200

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 12/5. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kolkata to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
22:30 - 11:15
CCU
-
SEA
49h 15m
2 stops
KLM Logo
13:50 - 09:10
SEA
-
CCU
30h 50m
2 stops
₹ 113,551KLM
Sun, 14 Jun - Mon, 28 Sep
KLM Logo
22:30 - 11:15
CCU
-
SEA
49h 15m
2 stops
KLM Logo
17:40 - 09:10
SEA
-
CCU
51h 00m
2 stops
₹ 113,646KLM
Tue, 14 Jul - Tue, 15 Sep
KLM Logo
22:30 - 11:15
CCU
-
SEA
49h 15m
2 stops
KLM Logo
13:50 - 09:10
SEA
-
CCU
30h 50m
2 stops
₹ 113,932KLM
Sun, 14 Jun - Mon, 28 Sep
KLM Logo
22:30 - 11:15
CCU
-
SEA
49h 15m
2 stops
KLM Logo
13:50 - 09:10
SEA
-
CCU
30h 50m
2 stops
₹ 118,024KLM
Tue, 14 Jul - Wed, 16 Sep
KLM Logo
22:30 - 11:15
CCU
-
SEA
49h 15m
2 stops
KLM Logo
13:50 - 09:10
SEA
-
CCU
30h 50m
2 stops
₹ 118,310KLM
Sun, 14 Jun - Mon, 28 Sep
Multiple Airlines Logo
23:00 - 17:15
CCU
-
SEA
30h 45m
2 stops
Multiple Airlines Logo
19:10 - 09:50
SEA
-
CCU
26h 10m
2 stops
₹ 119,357Multiple Airlines
Wed, 15 Jul - Wed, 16 Sep
KLM Logo
19:00 - 11:37
CCU
-
SEA
29h 07m
2 stops
KLM Logo
17:45 - 09:10
SEA
-
CCU
50h 55m
2 stops
₹ 122,403KLM
Mon, 8 Jun - Thu, 13 Aug
KLM Logo
22:30 - 11:52
CCU
-
SEA
25h 52m
2 stops
KLM Logo
13:30 - 08:15
SEA
-
CCU
30h 15m
2 stops
₹ 122,783KLM
Thu, 8 Oct - Thu, 22 Oct
Multiple Airlines Logo
19:55 - 17:15
CCU
-
SEA
33h 50m
2 stops
Multiple Airlines Logo
10:15 - 22:35
SEA
-
CCU
23h 50m
1 stop
₹ 122,879Multiple Airlines
Tue, 23 Jun - Sun, 16 Aug
KLM Logo
22:30 - 11:15
CCU
-
SEA
49h 15m
2 stops
KLM Logo
13:30 - 08:15
SEA
-
CCU
30h 15m
2 stops
₹ 122,974KLM
Tue, 14 Jul - Thu, 17 Sep

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customie your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

KLM flights from Kolkata to Seattle

Our best KLM deals on Kolkata to Seattle flight tickets
KLM
14 Jun
CCU22:30Kolkata Netaji S. Chandra
49h 15m
2 stops
SEA11:15Seattle/Tacoma Intl
28 Sept
SEA13:50Seattle/Tacoma Intl
30h 50m
2 stops
CCU09:10Kolkata Netaji S. Chandra
₹ 113,551
KLM
14 Jul
CCU22:30Kolkata Netaji S. Chandra
49h 15m
2 stops
SEA11:15Seattle/Tacoma Intl
15 Sept
SEA17:40Seattle/Tacoma Intl
51h 00m
2 stops
CCU09:10Kolkata Netaji S. Chandra
₹ 113,646
KLM
14 Jun
CCU22:30Kolkata Netaji S. Chandra
49h 15m
2 stops
SEA11:15Seattle/Tacoma Intl
28 Sept
SEA13:50Seattle/Tacoma Intl
30h 50m
2 stops
CCU09:10Kolkata Netaji S. Chandra
₹ 113,932

Qatar Airways flights from Kolkata to Seattle

Our best Qatar Airways deals on Kolkata to Seattle flight tickets
Qatar Airways
8 Jun
CCU04:00Kolkata Netaji S. Chandra
23h 15m
1 stop
SEA14:45Seattle/Tacoma Intl
13 Aug
SEA08:53Seattle/Tacoma Intl
29h 07m
2 stops
CCU02:30Kolkata Netaji S. Chandra
₹ 130,208
Qatar Airways
14 Jun
CCU04:00Kolkata Netaji S. Chandra
23h 15m
1 stop
SEA14:45Seattle/Tacoma Intl
28 Sept
SEA16:25Seattle/Tacoma Intl
21h 35m
1 stop
CCU02:30Kolkata Netaji S. Chandra
₹ 131,350
Qatar Airways
15 Jul
CCU04:00Kolkata Netaji S. Chandra
20h 55m
1 stop
SEA12:25Seattle/Tacoma Intl
16 Sept
SEA16:25Seattle/Tacoma Intl
21h 35m
1 stop
CCU02:30Kolkata Netaji S. Chandra
₹ 131,540

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 6 May 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

Cheapest return flight

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 14/6

22:30-11:15

2 stops49h 15m

Seattle/Tacoma Intl

Mon 28/9

13:50-09:10

2 stops30h 50m

₹ 113,551

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 14/7

22:30-11:15

2 stops49h 15m

Seattle/Tacoma Intl

Tue 15/9

17:40-09:10

2 stops51h 00m

₹ 113,646

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 14/6

22:30-11:15

2 stops49h 15m

Seattle/Tacoma Intl

Mon 28/9

13:50-09:10

2 stops30h 50m

₹ 113,932

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 14/7

22:30-11:15

2 stops49h 15m

Seattle/Tacoma Intl

Wed 16/9

13:50-09:10

2 stops30h 50m

₹ 118,024

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 14/6

22:30-11:15

2 stops49h 15m

Seattle/Tacoma Intl

Mon 28/9

13:50-09:10

2 stops30h 50m

₹ 118,310

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 15/7

23:00-17:15

2 stops30h 45m

Seattle/Tacoma Intl

Wed 16/9

19:10-09:50

2 stops26h 10m

₹ 119,357

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 8/6

19:00-11:37

2 stops29h 07m

Seattle/Tacoma Intl

Thu 13/8

17:45-09:10

2 stops50h 55m

₹ 122,403
Fastest return journey

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 8/10

22:30-11:52

2 stops25h 52m

Seattle/Tacoma Intl

Thu 22/10

13:30-08:15

2 stops30h 15m

₹ 122,783

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 23/6

19:55-17:15

2 stops33h 50m

Seattle/Tacoma Intl

Sun 16/8

10:15-22:35

1 stop23h 50m

₹ 122,879

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 14/7

22:30-11:15

2 stops49h 15m

Seattle/Tacoma Intl

Thu 17/9

13:30-08:15

2 stops30h 15m

₹ 122,974

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between Kolkata and Seattle?

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 ₹ 98,798.

Can stopping save me money on Kolkata to Seattle flights?

You could potentially save up to 2% 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 May 2026, prices for Kolkata to Seattle flights are approximately 2% 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

20h 55m

Direct flights

None
The fastest flight from Kolkata to Seattle takes 20h 55m
There are no direct flights from Kolkata to Seattle. There are no popular flight routes from Kolkata to Seattle.
Search flight deals

Frequently asked questions about flying from Kolkata to Seattle

  • 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 20h 55m.

  • 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
KLMPriceFrom ₹ 96,230Free CancellationRating
7.8
1,511 reviews
Search KLM flights
Singapore AirlinesPriceFrom ₹ 96,256Free CancellationRating
8.2
1,509 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom ₹ 119,867Free CancellationRating
7.4
3,727 reviews
Search Qatar Airways flights
EmiratesPriceFrom ₹ 132,124Free CancellationRating
8.1
3,571 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
Olympia
Tacoma
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.

An easier way to manage your Seattle trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 5/6
Fri 12/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing Washington

Spokane Airport