Cheap flights from Kolkata to Seattle from $1,078

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Kolkata to Seattle departing on 8/27. 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 round-trip flights

 Logo
12:30 am - 4:35 pmCCU-SEA
28h 35m2 stops
 Logo
1:15 am - 11:59 pmSEA-CCU
34h 14m2 stops
$1,078
Find Deal
Wed, Aug 27 - Wed, Sep 3
 Logo
2:00 am - 10:50 amCCU-SEA
45h 20m2 stops
 Logo
12:50 pm - 12:45 amSEA-CCU
23h 25m2 stops
$1,126
Find Deal
Wed, Aug 27 - Thu, Sep 4
KLM Logo
7:05 pm - 11:35 amCCU-SEA
29h 00m2 stops
KLM Logo
1:30 pm - 9:05 amSEA-CCU
31h 05m2 stops
$1,145KLM
Find Deal
Thu, Aug 28 - Thu, Sep 4
KLM Logo
7:05 pm - 11:35 amCCU-SEA
29h 00m2 stops
KLM Logo
3:00 pm - 7:10 amSEA-CCU
26h 40m2 stops
$1,302KLM
Find Deal
Thu, Aug 14 - Sun, Nov 9
British Airways Logo
2:00 am - 11:35 amCCU-SEA
46h 05m2 stops
British Airways Logo
6:50 pm - 5:10 pmSEA-CCU
56h 50m2 stops
$1,410British Airways
Find Deal
Tue, Aug 12 - Mon, Nov 10
British Airways Logo
2:00 am - 11:35 amCCU-SEA
46h 05m2 stops
British Airways Logo
1:25 pm - 5:10 pmSEA-CCU
38h 15m2 stops
$1,418British Airways
Find Deal
Mon, Aug 18 - Tue, Nov 4
Qatar Airways Logo
3:25 am - 11:40 amCCU-SEA
21h 45m1 stop
Qatar Airways Logo
8:05 am - 1:55 amSEA-CCU
28h 20m2 stops
$1,457Qatar Airways
Find Deal
Mon, Jan 5 - Sat, Jan 31
Qatar Airways Logo
3:50 am - 12:45 pmCCU-SEA
21h 25m1 stop
Qatar Airways Logo
10:40 am - 2:20 amSEA-CCU
27h 10m2 stops
$1,483Qatar Airways
Find Deal
Wed, Aug 27 - Thu, Sep 4
Singapore Airlines Logo
11:40 pm - 7:10 amCCU-SEA
45h 00m1 stop
Singapore Airlines Logo
8:45 am - 10:25 pmSEA-CCU
24h 10m1 stop
$1,516Singapore Airlines
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Tue, Jan 6 - Sat, Jan 31
Singapore Airlines Logo
11:40 pm - 7:10 amCCU-SEA
45h 00m1 stop
Singapore Airlines Logo
3:50 pm - 10:25 pmSEA-CCU
41h 05m2 stops
$1,618Singapore Airlines
Find Deal
Tue, Jan 6 - Sat, Jan 31

Thai Airways flights from Kolkata to Seattle

Our best Thai Airways deals on Kolkata to Seattle flight tickets
Thai Airways
Aug 7
CCU2:00 amKolkata Netaji S. Chandra
29h 40m
2 stops
SEA7:10 pmSeattle/Tacoma Intl
Sep 4
SEA1:30 amSeattle/Tacoma Intl
34h 45m
2 stops
CCU12:45 amKolkata Netaji S. Chandra
Thai Airways
Aug 7
CCU2:00 amKolkata Netaji S. Chandra
29h 40m
2 stops
SEA7:10 pmSeattle/Tacoma Intl
Sep 4
SEA1:30 amSeattle/Tacoma Intl
34h 45m
2 stops
CCU12:45 amKolkata Netaji S. Chandra
Thai Airways
Aug 18
CCU2:00 amKolkata Netaji S. Chandra
29h 40m
2 stops
SEA7:10 pmSeattle/Tacoma Intl
Nov 3
SEA12:10 amSeattle/Tacoma Intl
35h 00m
2 stops
CCU12:40 amKolkata Netaji S. Chandra

British Airways flights from Kolkata to Seattle

Our best British Airways deals on Kolkata to Seattle flight tickets
British Airways
Aug 12
CCU2:00 amKolkata Netaji S. Chandra
46h 05m
2 stops
SEA11:35 amSeattle/Tacoma Intl
Nov 10
SEA6:50 pmSeattle/Tacoma Intl
56h 50m
2 stops
CCU5:10 pmKolkata Netaji S. Chandra
British Airways
Aug 18
CCU2:00 amKolkata Netaji S. Chandra
46h 05m
2 stops
SEA11:35 amSeattle/Tacoma Intl
Nov 4
SEA1:25 pmSeattle/Tacoma Intl
38h 15m
2 stops
CCU5:10 pmKolkata Netaji S. Chandra
British Airways
Aug 12
CCU7:05 pmKolkata Netaji S. Chandra
53h 00m
2 stops
SEA11:35 amSeattle/Tacoma Intl
Nov 5
SEA6:50 pmSeattle/Tacoma Intl
32h 50m
2 stops
CCU5:10 pmKolkata Netaji S. Chandra

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated August 2, 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 8/27

12:30 am-4:35 pm

2 stops28h 35m

Seattle/Tacoma Intl

Wed 9/3

1:15 am-11:59 pm

2 stops34h 14m

$1,078

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 8/27

2:00 am-10:50 am

2 stops45h 20m

Seattle/Tacoma Intl

Thu 9/4

12:50 pm-12:45 am

2 stops23h 25m

$1,126

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 8/28

7:05 pm-11:35 am

2 stops29h 00m

Seattle/Tacoma Intl

Thu 9/4

1:30 pm-9:05 am

2 stops31h 05m

$1,145

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 8/14

7:05 pm-11:35 am

2 stops29h 00m

Seattle/Tacoma Intl

Sun 11/9

3:00 pm-7:10 am

2 stops26h 40m

$1,302

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 8/12

2:00 am-11:35 am

2 stops46h 05m

Seattle/Tacoma Intl

Mon 11/10

6:50 pm-5:10 pm

2 stops56h 50m

$1,410

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 8/18

2:00 am-11:35 am

2 stops46h 05m

Seattle/Tacoma Intl

Tue 11/4

1:25 pm-5:10 pm

2 stops38h 15m

$1,418

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 1/5

3:25 am-11:40 am

1 stop21h 45m

Seattle/Tacoma Intl

Sat 1/31

8:05 am-1:55 am

2 stops28h 20m

$1,457

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 8/27

3:50 am-12:45 pm

1 stop21h 25m

Seattle/Tacoma Intl

Thu 9/4

10:40 am-2:20 am

2 stops27h 10m

$1,483

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 1/6

11:40 pm-7:10 am

1 stop45h 00m

Seattle/Tacoma Intl

Sat 1/31

8:45 am-10:25 pm

1 stop24h 10m

$1,516

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 1/6

11:40 pm-7:10 am

1 stop45h 00m

Seattle/Tacoma Intl

Sat 1/31

3:50 pm-10:25 pm

2 stops41h 05m

$1,618

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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?

In general, November is the cheapest month to fly from Kolkata to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,294. If you don’t want to visit Seattle in November, then you should wait until April to fly from Kolkata, when ticket prices are also cheap, with an average price of $1,311.

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

On average, the least expensive day to fly to Seattle from Kolkata is on a Thursday. momondo users have found tickets for Thursday departures for as low as $1,396. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Wednesday is the most expensive day to depart from Kolkata because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,574.

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 $1,450 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Kolkata for as low as $927 on momondo.

Can stopping save me money on Kolkata to Seattle flights?

You could potentially save up to 16% on your flight if you consider stops on a Kolkata to Seattle flight.

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 round-trip 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

Best Price Found

$2,042

Fastest flight time

21h 25m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Kolkata in the past 72 hours is $2,042. The best round-trip flight deal from Kolkata to Seattle found on momondo in the last 72 hours is $1,078.
The fastest flight from Kolkata to Seattle takes 21h 25m
There are no direct flights from Kolkata to Seattle. Popular non-direct route for this connection is Kolkata Netaji S. Chandra Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • How far is Kolkata Netaji S. Chandra to Seattle/Tacoma Intl by plane?

    The distance between Kolkata Netaji S. Chandra and Seattle/Tacoma Intl is about 7221.3 mi. By plane, this route typically takes 21h 25m.

  • 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 are refreshed on a daily basis.

  • 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 required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable 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 $772Free CancellationRating
8.1
1,338 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $1,285Free CancellationRating
7.4
3,609 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,329Free CancellationRating
8.1
3,300 reviews
Search Emirates flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Renton
Kent
Federal Way
Puyallup
Lynnwood
Marysville
Tukwila
Kirkland
Lakewood
Fife
Centralia
Cle Elum
Shoreline
Westport
Redmond

Why use momondo?

Why should I use momondo to find a flight deal from Kolkata to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Kolkata to Seattle for you.

Can I find flights from Kolkata to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Kolkata with this policy.

How can momondo help me find flights from Kolkata to Seattle?

momondo helps you find the best flight between Kolkata and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Kolkata to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from Kolkata. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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Thu 8/7
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