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Cheap flights from Kolkata to Seattle from ₹ 54,936

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 8/10. 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

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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 - 22:37CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
37h 37m2 stops Abu Dhabi Zayed Intl Boston Logan Intl
Multiple Airlines Logo
22:15 - 20:30SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
33h 45m2 stops New York John F Kennedy Intl Abu Dhabi Zayed Intl
₹ 95,470Multiple Airlines
Mon, 14 Sep - Mon, 12 Oct
Multiple Airlines Logo
03:50 - 22:37CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
31h 17m2 stops Abu Dhabi Zayed Intl Boston Logan Intl
Multiple Airlines Logo
15:10 - 19:55SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
39h 15m2 stops Calgary Abu Dhabi Zayed Intl
₹ 97,568Multiple Airlines
Mon, 14 Sep - Mon, 25 Jan
Etihad Airways Logo
03:50 - 22:37CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
31h 17m2 stops Abu Dhabi Zayed Intl Boston Logan Intl
Etihad Airways Logo
23:42 - 02:55SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
38h 43m2 stops Boston Logan Intl Abu Dhabi Zayed Intl
₹ 97,854Etihad Airways
Mon, 21 Sep - Thu, 24 Sep
Etihad Airways Logo
03:50 - 22:37CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
31h 17m2 stops Abu Dhabi Zayed Intl Boston Logan Intl
Etihad Airways Logo
23:42 - 02:55SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
38h 43m2 stops Boston Logan Intl Abu Dhabi Zayed Intl
₹ 97,950Etihad Airways
Mon, 21 Sep - Thu, 24 Sep
Etihad Airways Logo
21:30 - 22:37CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
37h 37m2 stops Abu Dhabi Zayed Intl Boston Logan Intl
Etihad Airways Logo
23:42 - 20:30SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
32h 18m2 stops Boston Logan Intl Abu Dhabi Zayed Intl
₹ 98,045Etihad Airways
Wed, 16 Sep - Fri, 18 Sep
Multiple Airlines Logo
21:30 - 21:15CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
36h 15m2 stops Abu Dhabi Zayed Intl New York John F Kennedy Intl
Multiple Airlines Logo
15:10 - 19:55SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
39h 15m2 stops Calgary Abu Dhabi Zayed Intl
₹ 106,819Multiple Airlines
Wed, 7 Oct - Mon, 30 Nov
Multiple Airlines Logo
01:55 - 18:10CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
29h 45m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
00:10 - 00:40SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
35h 00m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
₹ 109,013Multiple Airlines
Sun, 15 Nov - Sun, 10 Jan
Multiple Airlines Logo
01:10 - 19:40CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
31h 00m3 stops Kunming Changshui Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
00:10 - 00:10SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
34h 30m3 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi Kunming Changshui
₹ 117,311Multiple Airlines
Mon, 31 Aug - Sat, 14 Nov
KLM Logo
19:15 - 11:47CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
29h 02m2 stops New Delhi Indira Gandhi Intl Amsterdam Schiphol
KLM Logo
13:30 - 08:15SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
30h 15m2 stops Paris Charles de Gaulle Mumbai Chhatrapati Shivaji Intl
₹ 128,374KLM
Mon, 14 Sep - Sun, 11 Oct
KLM Logo
20:45 - 16:35CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
32h 20m2 stops Hyderabad Rajiv Gandhi Intl Amsterdam Schiphol
KLM Logo
13:30 - 08:15SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
30h 15m2 stops Paris Charles de Gaulle Mumbai Chhatrapati Shivaji Intl
₹ 128,374KLM
Tue, 15 Sep - Sun, 11 Oct

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Emirates flights from Kolkata to Seattle

Our best Emirates deals on Kolkata to Seattle flight tickets
Emirates
7 Oct
CCU09:50Kolkata Netaji S. Chandra
40h 05m
1 stop
SEA13:25Seattle/Tacoma Intl
30 Nov
SEA16:05Seattle/Tacoma Intl
26h 05m
1 stop
CCU07:40Kolkata Netaji S. Chandra
₹ 132,666
Emirates
1 Sept
CCU09:50Kolkata Netaji S. Chandra
40h 05m
1 stop
SEA13:25Seattle/Tacoma Intl
18 Nov
SEA16:05Seattle/Tacoma Intl
37h 15m
1 stop
CCU18:50Kolkata Netaji S. Chandra
₹ 133,715
Emirates
16 Nov
CCU09:15Kolkata Netaji S. Chandra
40h 50m
1 stop
SEA12:35Seattle/Tacoma Intl
11 Jan
SEA16:05Seattle/Tacoma Intl
26h 05m
1 stop
CCU07:40Kolkata Netaji S. Chandra
₹ 134,573

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
12 Oct
SEA16:25Seattle/Tacoma Intl
21h 15m
1 stop
CCU02:10Kolkata Netaji S. Chandra
₹ 120,744
Qatar Airways
15 Sept
CCU04:00Kolkata Netaji S. Chandra
21h 15m
1 stop
SEA12:45Seattle/Tacoma Intl
25 Jan
SEA15:50Seattle/Tacoma Intl
20h 35m
1 stop
CCU01:55Kolkata Netaji S. Chandra
₹ 121,602
Qatar Airways
14 Sept
CCU04:00Kolkata Netaji S. Chandra
29h 02m
2 stops
SEA20:32Seattle/Tacoma Intl
12 Oct
SEA16:25Seattle/Tacoma Intl
21h 15m
1 stop
CCU02:10Kolkata Netaji S. Chandra
₹ 123,319

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 13 August 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 Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Mon 14/9

21:30-22:37

2 stops37h 37m

Seattle/Tacoma Intl

Mon 12/10

22:15-20:30

2 stops33h 45m

₹ 95,470

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Mon 14/9

03:50-22:37

2 stops31h 17m

Seattle/Tacoma Intl

Mon 25/1

15:10-19:55

2 stops39h 15m

₹ 97,568

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Mon 21/9

03:50-22:37

2 stops31h 17m

Seattle/Tacoma Intl

Thu 24/9

23:42-02:55

2 stops38h 43m

₹ 97,854

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Mon 21/9

03:50-22:37

2 stops31h 17m

Seattle/Tacoma Intl

Thu 24/9

23:42-02:55

2 stops38h 43m

₹ 97,950

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Wed 16/9

21:30-22:37

2 stops37h 37m

Seattle/Tacoma Intl

Fri 18/9

23:42-20:30

2 stops32h 18m

₹ 98,045

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Wed 7/10

21:30-21:15

2 stops36h 15m

Seattle/Tacoma Intl

Mon 30/11

15:10-19:55

2 stops39h 15m

₹ 106,819

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Sun 15/11

01:55-18:10

2 stops29h 45m

Seattle/Tacoma Intl

Sun 10/1

00:10-00:40

2 stops35h 00m

₹ 109,013

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Mon 31/8

01:10-19:40

3 stops31h 00m

Seattle/Tacoma Intl

Sat 14/11

00:10-00:10

3 stops34h 30m

₹ 117,311
Fastest return journey

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Mon 14/9

19:15-11:47

2 stops29h 02m

Seattle/Tacoma Intl

Sun 11/10

13:30-08:15

2 stops30h 15m

₹ 128,374

KolkataSeattle

CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl

CCUSEA

Kolkata Netaji S. Chandra

Tue 15/9

20:45-16:35

2 stops32h 20m

Seattle/Tacoma Intl

Sun 11/10

13:30-08:15

2 stops30h 15m

₹ 128,374

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 ₹ 98,999.

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

21h 30m

Direct flights

None
The fastest flight from Kolkata to Seattle takes 21h 30m
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 21h 30m.

  • 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 ₹ 96,425Free CancellationRating
7.8
1,557 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
Lynnwood
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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