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Cheap flights from Kolkata to Seattle from ₹ 59,055

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 25/9. 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

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.
Multiple Airlines Logo
21:30 - 00:11
CCU
-
SEA
39h 11m
2 stops
Multiple Airlines Logo
23:42 - 02:55
SEA
-
CCU
38h 43m
2 stops
₹ 97,723Multiple Airlines
Mon, 14 Sep - Sat, 26 Sep
Multiple Airlines Logo
21:30 - 00:11
CCU
-
SEA
39h 11m
2 stops
Multiple Airlines Logo
21:40 - 02:55
SEA
-
CCU
40h 45m
2 stops
₹ 97,723Multiple Airlines
Mon, 14 Sep - Sat, 26 Sep
Multiple Airlines Logo
21:30 - 00:11
CCU
-
SEA
39h 11m
2 stops
Multiple Airlines Logo
23:55 - 02:55
SEA
-
CCU
38h 30m
2 stops
₹ 97,723Multiple Airlines
Mon, 14 Sep - Sat, 26 Sep
Multiple Airlines Logo
21:30 - 22:37
CCU
-
SEA
37h 37m
2 stops
Multiple Airlines Logo
17:39 - 19:55
SEA
-
CCU
37h 46m
2 stops
₹ 101,168Multiple Airlines
Mon, 28 Sep - Mon, 22 Mar
Multiple Airlines Logo
21:30 - 22:37
CCU
-
SEA
37h 37m
2 stops
Multiple Airlines Logo
17:39 - 19:55
SEA
-
CCU
36h 46m
2 stops
₹ 101,264Multiple Airlines
Wed, 9 Sep - Fri, 26 Feb
Multiple Airlines Logo
21:30 - 20:44
CCU
-
SEA
35h 44m
2 stops
Multiple Airlines Logo
23:59 - 19:55
SEA
-
CCU
31h 26m
2 stops
₹ 101,264Multiple Airlines
Mon, 28 Sep - Mon, 22 Mar
Multiple Airlines Logo
02:00 - 19:50
CCU
-
SEA
30h 20m
2 stops
Multiple Airlines Logo
00:10 - 16:15
SEA
-
CCU
26h 35m
2 stops
₹ 110,740Multiple Airlines
Sat, 22 Aug - Sun, 14 Feb
Multiple Airlines Logo
02:00 - 19:50
CCU
-
SEA
30h 20m
2 stops
Multiple Airlines Logo
00:10 - 00:40
SEA
-
CCU
35h 00m
2 stops
₹ 110,740Multiple Airlines
Sat, 22 Aug - Sat, 13 Feb
KLM Logo
19:15 - 11:15
CCU
-
SEA
28h 30m
2 stops
KLM Logo
16:05 - 08:55
SEA
-
CCU
27h 20m
2 stops
₹ 123,948KLM
Sat, 26 Sep - Thu, 31 Dec
KLM Logo
19:15 - 11:37
CCU
-
SEA
28h 52m
2 stops
KLM Logo
14:20 - 07:10
SEA
-
CCU
27h 20m
2 stops
₹ 129,404KLM
Mon, 24 Aug - Wed, 17 Feb

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Qatar Airways flights from Kolkata to Seattle

Our best Qatar Airways deals on Kolkata to Seattle flight tickets
Qatar Airways
14 Sept
CCU04:00Kolkata Netaji S. Chandra
21h 15m
1 stop
SEA12:45Seattle/Tacoma Intl
26 Sept
SEA08:46Seattle/Tacoma Intl
29h 14m
2 stops
CCU02:30Kolkata Netaji S. Chandra
₹ 124,044
Qatar Airways
14 Sept
CCU04:00Kolkata Netaji S. Chandra
21h 15m
1 stop
SEA12:45Seattle/Tacoma Intl
26 Sept
SEA08:46Seattle/Tacoma Intl
29h 14m
2 stops
CCU02:30Kolkata Netaji S. Chandra
₹ 127,968
Qatar Airways
24 Aug
CCU04:00Kolkata Netaji S. Chandra
21h 15m
1 stop
SEA12:45Seattle/Tacoma Intl
31 Aug
SEA09:13Seattle/Tacoma Intl
28h 47m
2 stops
CCU02:30Kolkata Netaji S. Chandra
₹ 129,787

Turkish Airlines flights from Kolkata to Seattle

Our best Turkish Airlines deals on Kolkata to Seattle flight tickets
Turkish Airlines
1 Aug
CCU19:15Kolkata Netaji S. Chandra
51h 55m
2 stops
SEA10:40Seattle/Tacoma Intl
27 Nov
SEA19:05Seattle/Tacoma Intl
31h 10m
2 stops
CCU15:45Kolkata Netaji S. Chandra
₹ 149,982
Turkish Airlines
1 Aug
CCU16:15Kolkata Netaji S. Chandra
54h 55m
2 stops
SEA10:40Seattle/Tacoma Intl
1 Dec
SEA19:05Seattle/Tacoma Intl
31h 10m
2 stops
CCU15:45Kolkata Netaji S. Chandra
₹ 153,523
Turkish Airlines
1 Aug
CCU19:15Kolkata Netaji S. Chandra
51h 55m
2 stops
SEA10:40Seattle/Tacoma Intl
25 Nov
SEA19:05Seattle/Tacoma Intl
31h 10m
2 stops
CCU15:45Kolkata Netaji S. Chandra
₹ 163,190

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 29 July 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 14/9

21:30-00:11

2 stops39h 11m

Seattle/Tacoma Intl

Sat 26/9

23:42-02:55

2 stops38h 43m

₹ 97,723

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 14/9

21:30-00:11

2 stops39h 11m

Seattle/Tacoma Intl

Sat 26/9

21:40-02:55

2 stops40h 45m

₹ 97,723

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 14/9

21:30-00:11

2 stops39h 11m

Seattle/Tacoma Intl

Sat 26/9

23:55-02:55

2 stops38h 30m

₹ 97,723

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 28/9

21:30-22:37

2 stops37h 37m

Seattle/Tacoma Intl

Mon 22/3

17:39-19:55

2 stops37h 46m

₹ 101,168

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 9/9

21:30-22:37

2 stops37h 37m

Seattle/Tacoma Intl

Fri 26/2

17:39-19:55

2 stops36h 46m

₹ 101,264

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 28/9

21:30-20:44

2 stops35h 44m

Seattle/Tacoma Intl

Mon 22/3

23:59-19:55

2 stops31h 26m

₹ 101,264

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 22/8

02:00-19:50

2 stops30h 20m

Seattle/Tacoma Intl

Sun 14/2

00:10-16:15

2 stops26h 35m

₹ 110,740

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 22/8

02:00-19:50

2 stops30h 20m

Seattle/Tacoma Intl

Sat 13/2

00:10-00:40

2 stops35h 00m

₹ 110,740
Fastest return journey

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 26/9

19:15-11:15

2 stops28h 30m

Seattle/Tacoma Intl

Thu 31/12

16:05-08:55

2 stops27h 20m

₹ 123,948

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 24/8

19:15-11:37

2 stops28h 52m

Seattle/Tacoma Intl

Wed 17/2

14:20-07:10

2 stops27h 20m

₹ 129,404

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 ₹ 99,350.

How have Kolkata to Seattle flight prices changed over time?

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 37m

Direct flights

None
The fastest flight from Kolkata to Seattle takes 25h 37m
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 37m.

  • 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 ₹ 96,768Free CancellationRating
7.8
1,550 reviews
Search KLM flights

Travelling to a place near Seattle?

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