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Cheap flights from Kolkata to Seattle from ₹ 45,500

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 7/12. 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

Multiple Airlines Logo
00:50 - 18:10CCU-SEA
30h 50m2 stops
Multiple Airlines Logo
01:10 - 23:50SEA-CCU
34h 10m2 stops
₹ 86,238Multiple Airlines
Find Deal
Sun, 14 Dec - Sat, 14 Mar
Multiple Airlines Logo
18:30 - 11:25CCU-SEA
30h 25m2 stops
Multiple Airlines Logo
15:00 - 07:50SEA-CCU
28h 20m2 stops
₹ 88,972Multiple Airlines
Find Deal
Mon, 15 Dec - Sun, 15 Mar
KLM Logo
18:30 - 12:45CCU-SEA
30h 45m2 stops
KLM Logo
15:00 - 07:10SEA-CCU
26h 40m2 stops
₹ 89,060KLM
Find Deal
Wed, 29 Oct - Wed, 5 Nov
KLM Logo
19:05 - 11:50CCU-SEA
29h 15m2 stops
KLM Logo
14:05 - 09:55SEA-CCU
30h 20m2 stops
₹ 89,236KLM
Find Deal
Sun, 19 Oct - Sun, 2 Nov
Singapore Airlines Logo
23:40 - 07:10CCU-SEA
21h 00m1 stop
Singapore Airlines Logo
09:45 - 22:25SEA-CCU
24h 10m1 stop
₹ 95,585Singapore Airlines
Find Deal
Mon, 15 Dec - Sun, 15 Mar
Qatar Airways Logo
03:50 - 12:45CCU-SEA
21h 25m1 stop
Qatar Airways Logo
09:00 - 01:55SEA-CCU
27h 25m2 stops
₹ 111,104Qatar Airways
Find Deal
Sun, 19 Oct - Tue, 4 Nov
Qatar Airways Logo
03:50 - 12:45CCU-SEA
21h 25m1 stop
Qatar Airways Logo
00:20 - 01:55SEA-CCU
36h 05m2 stops
₹ 111,633Qatar Airways
Find Deal
Tue, 21 Oct - Mon, 3 Nov
Singapore Airlines Logo
23:30 - 08:45CCU-SEA
21h 45m1 stop
Singapore Airlines Logo
09:45 - 22:25SEA-CCU
24h 10m1 stop
₹ 118,335Singapore Airlines
Find Deal
Mon, 20 Oct - Fri, 31 Oct
Emirates Logo
20:25 - 13:35CCU-SEA
29h 40m1 stop
Emirates Logo
16:05 - 07:40SEA-CCU
26h 05m1 stop
₹ 120,098Emirates
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Wed, 29 Oct - Wed, 5 Nov
Emirates Logo
09:45 - 13:25CCU-SEA
40h 10m1 stop
Emirates Logo
16:05 - 18:50SEA-CCU
37h 15m1 stop
₹ 122,038Emirates
Find Deal
Fri, 17 Oct - Mon, 3 Nov

Virgin Atlantic flights from Kolkata to Seattle

Our best Virgin Atlantic deals on Kolkata to Seattle flight tickets
Virgin Atlantic
26 Sept
CCU02:00Kolkata Netaji S. Chandra
30h 20m
2 stops
SEA19:50Seattle/Tacoma Intl
19 Oct
SEA17:35Seattle/Tacoma Intl
27h 00m
2 stops
CCU09:05Kolkata Netaji S. Chandra
₹ 99,906
Find similar
Virgin Atlantic
26 Sept
CCU02:00Kolkata Netaji S. Chandra
50h 00m
2 stops
SEA15:30Seattle/Tacoma Intl
19 Oct
SEA17:35Seattle/Tacoma Intl
27h 00m
2 stops
CCU09:05Kolkata Netaji S. Chandra
₹ 810,973
Find similar

Qatar Airways flights from Kolkata to Seattle

Our best Qatar Airways deals on Kolkata to Seattle flight tickets
Qatar Airways
19 Oct
CCU03:50Kolkata Netaji S. Chandra
21h 25m
1 stop
SEA12:45Seattle/Tacoma Intl
4 Nov
SEA09:00Seattle/Tacoma Intl
27h 25m
2 stops
CCU01:55Kolkata Netaji S. Chandra
₹ 111,104
Find similar
Qatar Airways
21 Oct
CCU03:50Kolkata Netaji S. Chandra
21h 25m
1 stop
SEA12:45Seattle/Tacoma Intl
3 Nov
SEA00:20Seattle/Tacoma Intl
36h 05m
2 stops
CCU01:55Kolkata Netaji S. Chandra
₹ 111,633
Find similar
Qatar Airways
28 Oct
CCU03:25Kolkata Netaji S. Chandra
21h 45m
1 stop
SEA12:40Seattle/Tacoma Intl
5 Nov
SEA16:05Seattle/Tacoma Intl
20h 20m
1 stop
CCU01:55Kolkata Netaji S. Chandra
₹ 111,722
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 16 September 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

Sun 14/12

00:50-18:10

2 stops30h 50m

Seattle/Tacoma Intl

Sat 14/3

01:10-23:50

2 stops34h 10m

₹ 86,238

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 15/12

18:30-11:25

2 stops30h 25m

Seattle/Tacoma Intl

Sun 15/3

15:00-07:50

2 stops28h 20m

₹ 88,972

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 29/10

18:30-12:45

2 stops30h 45m

Seattle/Tacoma Intl

Wed 5/11

15:00-07:10

2 stops26h 40m

₹ 89,060

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 19/10

19:05-11:50

2 stops29h 15m

Seattle/Tacoma Intl

Sun 2/11

14:05-09:55

2 stops30h 20m

₹ 89,236

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 15/12

23:40-07:10

1 stop21h 00m

Seattle/Tacoma Intl

Sun 15/3

09:45-22:25

1 stop24h 10m

₹ 95,585

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 19/10

03:50-12:45

1 stop21h 25m

Seattle/Tacoma Intl

Tue 4/11

09:00-01:55

2 stops27h 25m

₹ 111,104

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 21/10

03:50-12:45

1 stop21h 25m

Seattle/Tacoma Intl

Mon 3/11

00:20-01:55

2 stops36h 05m

₹ 111,633

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 20/10

23:30-08:45

1 stop21h 45m

Seattle/Tacoma Intl

Fri 31/10

09:45-22:25

1 stop24h 10m

₹ 118,335

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 29/10

20:25-13:35

1 stop29h 40m

Seattle/Tacoma Intl

Wed 5/11

16:05-07:40

1 stop26h 05m

₹ 120,098

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 17/10

09:45-13:25

1 stop40h 10m

Seattle/Tacoma Intl

Mon 3/11

16:05-18:50

1 stop37h 15m

₹ 122,038

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 December, then book flights to Seattle from Kolkata during November instead. Flights to Seattle in November, while not as cheap as those in December, still average around ₹ 110,840.

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 ₹ 128,551. Flights from Kolkata to Seattle on a Sunday will generally be more expensive and average around ₹ 154,291. 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 ₹ 127,464. Try not to purchase tickets in the evening because they tend to be around ₹ 139,462. 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 ₹ 117,600 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 ₹ 81,741 on momondo.

How have Kolkata to Seattle flight prices changed over time?

As of September 2025, prices for Kolkata to Seattle flights are approximately 12% more expensive 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 ₹ 88,920Free CancellationRating
8.1
1,365 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom ₹ 111,048Free CancellationRating
7.4
3,624 reviews
Search Qatar Airways flights
EmiratesPriceFrom ₹ 117,696Free CancellationRating
8.1
3,336 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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