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Cheap flights from Kolkata to Seattle from ₹ 53,951

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 7/10. 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
₹ 95,246Multiple Airlines
Mon, 14 Sep - Mon, 12 Oct
Multiple Airlines Logo
21:30 - 20:44CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
35h 44m2 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
₹ 97,340Multiple Airlines
Mon, 14 Sep - Wed, 10 Mar
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
₹ 97,340Multiple Airlines
Mon, 14 Sep - Mon, 25 Jan
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
₹ 97,720Etihad Airways
Wed, 16 Sep - Fri, 18 Sep
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
17:39 - 19:55SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
37h 46m2 stops Chicago O'Hare Intl Abu Dhabi Zayed Intl
₹ 97,720Multiple Airlines
Mon, 28 Sep - Mon, 22 Mar
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
₹ 97,816Etihad Airways
Wed, 16 Sep - Fri, 18 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
₹ 97,911Etihad Airways
Wed, 16 Sep - Fri, 18 Sep
Multiple Airlines Logo
08:20 - 19:45CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
23h 55m2 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl
Multiple Airlines Logo
00:10 - 08:20SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
42h 40m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
₹ 107,236Multiple Airlines
Tue, 8 Sep - Tue, 9 Feb
KLM Logo
22:30 - 16:35CCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
30h 35m2 stops New Delhi Indira Gandhi Intl Amsterdam Schiphol
KLM Logo
14:20 - 07:45SEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
27h 55m2 stops Amsterdam Schiphol Hyderabad Rajiv Gandhi Intl
₹ 118,844KLM
Tue, 8 Sep - Thu, 11 Feb
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
₹ 128,074KLM
Mon, 14 Sep - Sun, 11 Oct

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Etihad Airways flights from Kolkata to Seattle

Our best Etihad Airways deals on Kolkata to Seattle flight tickets
Etihad Airways
16 Sept
CCU21:30Kolkata Netaji S. Chandra
37h 37m
2 stops
SEA22:37Seattle/Tacoma Intl
18 Sept
SEA23:42Seattle/Tacoma Intl
32h 18m
2 stops
CCU20:30Kolkata Netaji S. Chandra
₹ 97,720
Etihad Airways
16 Sept
CCU21:30Kolkata Netaji S. Chandra
37h 37m
2 stops
SEA22:37Seattle/Tacoma Intl
18 Sept
SEA23:42Seattle/Tacoma Intl
32h 18m
2 stops
CCU20:30Kolkata Netaji S. Chandra
₹ 97,816
Etihad Airways
16 Sept
CCU21:30Kolkata Netaji S. Chandra
37h 37m
2 stops
SEA22:37Seattle/Tacoma Intl
18 Sept
SEA23:42Seattle/Tacoma Intl
32h 18m
2 stops
CCU20:30Kolkata Netaji S. Chandra
₹ 97,911

Thai Airways flights from Kolkata to Seattle

Our best Thai Airways deals on Kolkata to Seattle flight tickets
Thai Airways
5 Sept
CCU02:00Kolkata Netaji S. Chandra
30h 10m
2 stops
SEA19:40Seattle/Tacoma Intl
12 Sept
SEA01:30Seattle/Tacoma Intl
34h 45m
2 stops
CCU00:45Kolkata Netaji S. Chandra
₹ 116,751
Thai Airways
31 Aug
CCU02:00Kolkata Netaji S. Chandra
30h 10m
2 stops
SEA19:40Seattle/Tacoma Intl
16 Feb
SEA00:10Seattle/Tacoma Intl
26h 35m
2 stops
CCU16:15Kolkata Netaji S. Chandra
₹ 121,413

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 10 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

₹ 95,246

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Mon 14/9

21:30-20:44

2 stops35h 44m

Seattle/Tacoma Intl

Wed 10/3

15:10-19:55

2 stops39h 15m

₹ 97,340

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

₹ 97,340

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

₹ 97,720

KolkataSeattle

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

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

₹ 97,720

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

₹ 97,816

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

₹ 97,911

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Tue 8/9

08:20-19:45

2 stops23h 55m

Seattle/Tacoma Intl

Tue 9/2

00:10-08:20

2 stops42h 40m

₹ 107,236
Fastest return journey

KolkataSeattle

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

CCUSEA

Kolkata Netaji S. Chandra

Tue 8/9

22:30-16:35

2 stops30h 35m

Seattle/Tacoma Intl

Thu 11/2

14:20-07:45

2 stops27h 55m

₹ 118,844

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

₹ 128,074

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 ₹ 98,767.

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 15m

Direct flights

None
The fastest flight from Kolkata to Seattle takes 21h 15m
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 15m.

  • 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 ₹ 96,200Free CancellationRating
7.8
1,555 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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