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Cheap flights from Kolkata to Seattle from ₹ 82,909

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 30/6. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Kolkata to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:00 - 11:52
CCU
-
SEA
29h 22m
2 stops
Multiple Airlines Logo
14:15 - 07:45
SEA
-
CCU
28h 00m
2 stops
₹ 112,526Multiple Airlines
Mon, 12 Oct - Mon, 25 Jan
Multiple Airlines Logo
01:00 - 19:45
CCU
-
SEA
31h 15m
2 stops
Multiple Airlines Logo
00:10 - 00:40
SEA
-
CCU
35h 00m
2 stops
₹ 114,318Multiple Airlines
Mon, 6 Jul - Tue, 3 Nov
Multiple Airlines Logo
00:30 - 19:50
CCU
-
SEA
31h 50m
2 stops
Multiple Airlines Logo
00:10 - 23:55
SEA
-
CCU
34h 15m
2 stops
₹ 117,808Multiple Airlines
Fri, 21 Aug - Sun, 29 Nov
Multiple Airlines Logo
02:00 - 19:50
CCU
-
SEA
30h 20m
2 stops
Multiple Airlines Logo
02:10 - 00:45
SEA
-
CCU
34h 05m
2 stops
₹ 117,902Multiple Airlines
Mon, 24 Aug - Thu, 27 Aug
Multiple Airlines Logo
02:00 - 19:50
CCU
-
SEA
30h 20m
2 stops
Multiple Airlines Logo
02:10 - 00:45
SEA
-
CCU
34h 05m
2 stops
₹ 122,524Multiple Airlines
Wed, 15 Jul - Wed, 22 Jul
Multiple Airlines Logo
22:30 - 11:33
CCU
-
SEA
25h 33m
2 stops
Multiple Airlines Logo
14:15 - 07:25
SEA
-
CCU
27h 40m
2 stops
₹ 127,145Multiple Airlines
Wed, 15 Jul - Sun, 3 Jan
Multiple Airlines Logo
01:00 - 19:45
CCU
-
SEA
31h 15m
2 stops
Multiple Airlines Logo
00:10 - 17:35
SEA
-
CCU
51h 55m
3 stops
₹ 127,428Multiple Airlines
Wed, 5 Aug - Sat, 14 Nov
Multiple Airlines Logo
19:15 - 17:20
CCU
-
SEA
34h 35m
2 stops
Multiple Airlines Logo
19:05 - 09:45
SEA
-
CCU
25h 10m
2 stops
₹ 127,523Multiple Airlines
Wed, 14 Oct - Tue, 26 Jan
Multiple Airlines Logo
08:30 - 17:20
CCU
-
SEA
45h 20m
2 stops
Multiple Airlines Logo
19:05 - 19:55
SEA
-
CCU
35h 20m
2 stops
₹ 127,711Multiple Airlines
Thu, 6 Aug - Sun, 15 Nov
Multiple Airlines Logo
16:10 - 23:55
CCU
-
SEA
44h 15m
3 stops
Multiple Airlines Logo
23:15 - 16:55
SEA
-
CCU
29h 10m
2 stops
₹ 128,089Multiple Airlines
Mon, 13 Jul - Wed, 30 Sep

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Qatar Airways flights from Kolkata to Seattle

Our best Qatar Airways deals on Kolkata to Seattle flight tickets
Qatar Airways
29 Jun
CCU04:00Kolkata Netaji S. Chandra
28h 51m
2 stops
SEA20:21Seattle/Tacoma Intl
13 Jul
SEA16:25Seattle/Tacoma Intl
21h 35m
1 stop
CCU02:30Kolkata Netaji S. Chandra
₹ 126,297
Qatar Airways
1 Jul
CCU04:00Kolkata Netaji S. Chandra
21h 15m
1 stop
SEA12:45Seattle/Tacoma Intl
21 Nov
SEA16:05Seattle/Tacoma Intl
20h 20m
1 stop
CCU01:55Kolkata Netaji S. Chandra
₹ 550,272
Qatar Airways
1 Jul
CCU04:00Kolkata Netaji S. Chandra
21h 15m
1 stop
SEA12:45Seattle/Tacoma Intl
21 Nov
SEA16:05Seattle/Tacoma Intl
20h 20m
1 stop
CCU01:55Kolkata Netaji S. Chandra
₹ 550,461

Air India flights from Kolkata to Seattle

Our best Air India deals on Kolkata to Seattle flight tickets
Air India
30 Jun
CCU12:55Kolkata Netaji S. Chandra
43h 44m
3 stops
SEA20:09Seattle/Tacoma Intl
30 Oct
SEA22:41Seattle/Tacoma Intl
31h 14m
2 stops
CCU18:25Kolkata Netaji S. Chandra
₹ 188,172
Air India
1 Jul
CCU16:10Kolkata Netaji S. Chandra
36h 39m
3 stops
SEA16:19Seattle/Tacoma Intl
21 Nov
SEA22:41Seattle/Tacoma Intl
32h 04m
2 stops
CCU20:15Kolkata Netaji S. Chandra
₹ 675,437
Air India
1 Jul
CCU16:10Kolkata Netaji S. Chandra
36h 39m
3 stops
SEA16:19Seattle/Tacoma Intl
21 Nov
SEA22:41Seattle/Tacoma Intl
32h 04m
2 stops
CCU20:15Kolkata Netaji S. Chandra
₹ 801,356

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 22 June 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

Mon 12/10

19:00-11:52

2 stops29h 22m

Seattle/Tacoma Intl

Mon 25/1

14:15-07:45

2 stops28h 00m

₹ 112,526

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 6/7

01:00-19:45

2 stops31h 15m

Seattle/Tacoma Intl

Tue 3/11

00:10-00:40

2 stops35h 00m

₹ 114,318

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 21/8

00:30-19:50

2 stops31h 50m

Seattle/Tacoma Intl

Sun 29/11

00:10-23:55

2 stops34h 15m

₹ 117,808

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 24/8

02:00-19:50

2 stops30h 20m

Seattle/Tacoma Intl

Thu 27/8

02:10-00:45

2 stops34h 05m

₹ 117,902

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 15/7

02:00-19:50

2 stops30h 20m

Seattle/Tacoma Intl

Wed 22/7

02:10-00:45

2 stops34h 05m

₹ 122,524
Fastest return journey

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 15/7

22:30-11:33

2 stops25h 33m

Seattle/Tacoma Intl

Sun 3/1

14:15-07:25

2 stops27h 40m

₹ 127,145

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 5/8

01:00-19:45

2 stops31h 15m

Seattle/Tacoma Intl

Sat 14/11

00:10-17:35

3 stops51h 55m

₹ 127,428

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 14/10

19:15-17:20

2 stops34h 35m

Seattle/Tacoma Intl

Tue 26/1

19:05-09:45

2 stops25h 10m

₹ 127,523

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 6/8

08:30-17:20

2 stops45h 20m

Seattle/Tacoma Intl

Sun 15/11

19:05-19:55

2 stops35h 20m

₹ 127,711

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 13/7

16:10-23:55

3 stops44h 15m

Seattle/Tacoma Intl

Wed 30/9

23:15-16:55

2 stops29h 10m

₹ 128,089

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 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 ₹ 97,906.

How have Kolkata to Seattle flight prices changed over time?

As of June 2026, prices for Kolkata to Seattle flights are approximately 12% 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

25h 16m

Direct flights

None
The fastest flight from Kolkata to Seattle takes 25h 16m
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 25h 16m.

  • 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 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.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Port Orchard
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.

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