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Cheap flights from Kolkata to Seattle from ₹ 45,924

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 18/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Kolkata to Seattle

Cheap return flights

Logo
16:20 - 11:15CCU-SEA
31h 25m2 stops
Logo
14:00 - 07:50SEA-CCU
28h 20m2 stops
₹ 94,491
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Wed, 10 Sep - Mon, 2 Mar
Logo
01:55 - 18:10CCU-SEA
29h 45m2 stops
Logo
01:50 - 00:45SEA-CCU
34h 25m2 stops
₹ 103,835
Find Deal
Mon, 19 Jan - Mon, 4 May
Logo
01:55 - 17:40CCU-SEA
29h 15m2 stops
Logo
23:30 - 00:40SEA-CCU
35h 40m2 stops
₹ 107,801
Find Deal
Mon, 1 Dec - Tue, 2 Dec
Air France Logo
18:00 - 11:15CCU-SEA
29h 45m2 stops
Air France Logo
18:45 - 04:45SEA-CCU
45h 30m2 stops
₹ 108,418Air France
Find Deal
Tue, 16 Sep - Sat, 27 Sep
Japan Airlines Logo
04:55 - 09:55CCU-SEA
42h 30m2 stops
Japan Airlines Logo
13:30 - 23:30SEA-CCU
45h 30m2 stops
₹ 109,741Japan Airlines
Find Deal
Mon, 19 Jan - Tue, 5 May
Singapore Airlines Logo
23:40 - 07:10CCU-SEA
45h 00m1 stop
Singapore Airlines Logo
10:15 - 22:15SEA-CCU
23h 30m1 stop
₹ 111,503Singapore Airlines
Find Deal
Tue, 20 Jan - Tue, 5 May
Qatar Airways Logo
03:50 - 12:45CCU-SEA
21h 25m1 stop
Qatar Airways Logo
16:30 - 02:20SEA-CCU
21h 20m1 stop
₹ 117,497Qatar Airways
Find Deal
Mon, 15 Sep - Sat, 27 Sep
Qatar Airways Logo
03:50 - 12:45CCU-SEA
21h 25m1 stop
Qatar Airways Logo
11:25 - 02:20SEA-CCU
26h 25m2 stops
₹ 119,260Qatar Airways
Find Deal
Mon, 15 Sep - Sat, 27 Sep
Emirates Logo
09:45 - 13:25CCU-SEA
40h 10m1 stop
Emirates Logo
17:15 - 08:10SEA-CCU
26h 25m1 stop
₹ 136,184Emirates
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Tue, 16 Sep - Sat, 27 Sep
Emirates Logo
20:25 - 12:35CCU-SEA
29h 40m1 stop
Emirates Logo
16:05 - 18:50SEA-CCU
37h 15m1 stop
₹ 156,193Emirates
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Wed, 3 Dec - Thu, 4 Dec

Japan Airlines flights from Kolkata to Seattle

Our best Japan Airlines deals on Kolkata to Seattle flight tickets
Japan Airlines
19 Jan
CCU04:55Kolkata Netaji S. Chandra
42h 30m
2 stops
SEA09:55Seattle/Tacoma Intl
5 May
SEA13:30Seattle/Tacoma Intl
45h 30m
2 stops
CCU23:30Kolkata Netaji S. Chandra
₹ 109,741
Find similar
Japan Airlines
1 Dec
CCU18:30Kolkata Netaji S. Chandra
28h 50m
2 stops
SEA09:50Seattle/Tacoma Intl
4 Dec
SEA12:10Seattle/Tacoma Intl
29h 30m
2 stops
CCU07:10Kolkata Netaji S. Chandra
₹ 117,321
Find similar
Japan Airlines
1 Dec
CCU06:30Kolkata Netaji S. Chandra
40h 50m
2 stops
SEA09:50Seattle/Tacoma Intl
3 Dec
SEA12:10Seattle/Tacoma Intl
29h 30m
2 stops
CCU07:10Kolkata Netaji S. Chandra
₹ 133,187
Find similar

Qatar Airways flights from Kolkata to Seattle

Our best Qatar Airways deals on Kolkata to Seattle flight tickets
Qatar Airways
9 Sept
CCU03:50Kolkata Netaji S. Chandra
21h 25m
1 stop
SEA12:45Seattle/Tacoma Intl
2 Mar
SEA16:05Seattle/Tacoma Intl
20h 20m
1 stop
CCU01:55Kolkata Netaji S. Chandra
₹ 110,358
Find similar
Qatar Airways
15 Sept
CCU03:50Kolkata Netaji S. Chandra
21h 25m
1 stop
SEA12:45Seattle/Tacoma Intl
27 Sept
SEA16:30Seattle/Tacoma Intl
21h 20m
1 stop
CCU02:20Kolkata Netaji S. Chandra
₹ 117,497
Find similar
Qatar Airways
15 Sept
CCU03:50Kolkata Netaji S. Chandra
21h 25m
1 stop
SEA12:45Seattle/Tacoma Intl
27 Sept
SEA11:25Seattle/Tacoma Intl
26h 25m
2 stops
CCU02:20Kolkata Netaji S. Chandra
₹ 119,260
Find similar

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 31 August 2025.
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

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 10/9

16:20-11:15

2 stops31h 25m

Seattle/Tacoma Intl

Mon 2/3

14:00-07:50

2 stops28h 20m

₹ 94,491

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 19/1

01:55-18:10

2 stops29h 45m

Seattle/Tacoma Intl

Mon 4/5

01:50-00:45

2 stops34h 25m

₹ 103,835

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 1/12

01:55-17:40

2 stops29h 15m

Seattle/Tacoma Intl

Tue 2/12

23:30-00:40

2 stops35h 40m

₹ 107,801

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 16/9

18:00-11:15

2 stops29h 45m

Seattle/Tacoma Intl

Sat 27/9

18:45-04:45

2 stops45h 30m

₹ 108,418

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 19/1

04:55-09:55

2 stops42h 30m

Seattle/Tacoma Intl

Tue 5/5

13:30-23:30

2 stops45h 30m

₹ 109,741

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 20/1

23:40-07:10

1 stop45h 00m

Seattle/Tacoma Intl

Tue 5/5

10:15-22:15

1 stop23h 30m

₹ 111,503

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 15/9

03:50-12:45

1 stop21h 25m

Seattle/Tacoma Intl

Sat 27/9

16:30-02:20

1 stop21h 20m

₹ 117,497

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 15/9

03:50-12:45

1 stop21h 25m

Seattle/Tacoma Intl

Sat 27/9

11:25-02:20

2 stops26h 25m

₹ 119,260

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 16/9

09:45-13:25

1 stop40h 10m

Seattle/Tacoma Intl

Sat 27/9

17:15-08:10

1 stop26h 25m

₹ 136,184

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 3/12

20:25-12:35

1 stop29h 40m

Seattle/Tacoma Intl

Thu 4/12

16:05-18:50

1 stop37h 15m

₹ 156,193

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 November, then book flights to Seattle from Kolkata during September instead. Flights to Seattle in September, while not as cheap as those in November, still average around ₹ 111,239.

What is the cheapest day to depart on your flight to Seattle?

The cheapest day to depart from Kolkata to Seattle is on a Monday. Travellers who choose to depart for Seattle on a Monday will often find tickets for as low as ₹ 128,503. Flights from Kolkata to Seattle on a Sunday will generally be more expensive and average around ₹ 154,234. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Seattle?

Our data shows that the cheapest Kolkata to Seattle flights are usually those with departure times in the morning. Our users have found flights to Seattle in the morning for as low as ₹ 127,416. Try not to purchase tickets in the evening because they tend to be around ₹ 139,410. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Kolkata when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around ₹ 122,103 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Kolkata for as low as ₹ 81,710 on momondo.

How have Kolkata to Seattle flight prices changed over time?

As of August 2025, prices for Kolkata to Seattle flights are approximately 33% 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

Direct flights

None
There are no direct flights from Kolkata to Seattle. There are no popular flight routes from Kolkata to Seattle.
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  • 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 00m.

  • 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
Singapore AirlinesPriceFrom ₹ 88,886Free CancellationRating
8.1
1,354 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom ₹ 111,006Free CancellationRating
7.4
3,613 reviews
Search Qatar Airways flights
EmiratesPriceFrom ₹ 117,652Free CancellationRating
8.1
3,317 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
Tacoma
Olympia
Redmond
SeaTac

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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