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Cheap flights from Kolkata to Seattle from $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 1/23. 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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0 bags

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Find the cheapest flights from Kolkata to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:00 pm - 9:48 pm
CCU
-
SEA
36h 18m3 stops
Multiple Airlines Logo
10:55 pm - 4:50 pm
SEA
-
CCU
29h 25m2 stops
$850Multiple Airlines
Fri, Feb 13 - Sun, Apr 26
Air France Logo
7:30 pm - 1:25 pm
CCU
-
SEA
31h 25m2 stops
Air France Logo
1:40 pm - 10:05 am
SEA
-
CCU
30h 55m2 stops
$971Air France
Tue, Jan 27 - Tue, Feb 3
Singapore Airlines Logo
11:40 pm - 7:10 am
CCU
-
SEA
21h 00m1 stop
Singapore Airlines Logo
10:15 am - 10:15 pm
SEA
-
CCU
47h 30m1 stop
$1,023Singapore Airlines
Fri, Feb 13 - Sun, Apr 26
Multiple Airlines Logo
11:00 pm - 7:16 pm
CCU
-
SEA
33h 46m3 stops
Multiple Airlines Logo
8:45 am - 12:40 am
SEA
-
CCU
26h 25m2 stops
$1,061Multiple Airlines
Tue, Jan 27 - Tue, Feb 3
Multiple Airlines Logo
12:30 am - 6:40 pm
CCU
-
SEA
31h 40m2 stops
Multiple Airlines Logo
10:55 pm - 4:50 pm
SEA
-
CCU
29h 25m2 stops
$1,075Multiple Airlines
Thu, Feb 12 - Sun, Apr 26
Multiple Airlines Logo
9:30 pm - 7:16 pm
CCU
-
SEA
35h 16m3 stops
Multiple Airlines Logo
12:10 am - 1:35 am
SEA
-
CCU
35h 55m3 stops
$1,101Multiple Airlines
Tue, Jan 27 - Mon, Feb 2
Qatar Airways Logo
3:25 am - 11:40 am
CCU
-
SEA
21h 45m1 stop
Qatar Airways Logo
11:00 am - 1:55 am
SEA
-
CCU
25h 25m2 stops
$1,108Qatar Airways
Mon, Jan 26 - Tue, Feb 3
Multiple Airlines Logo
3:25 am - 11:40 am
CCU
-
SEA
21h 45m1 stop
Multiple Airlines Logo
8:45 am - 10:25 pm
SEA
-
CCU
24h 10m1 stop
$1,134Multiple Airlines
Mon, Jan 26 - Tue, Feb 3
Multiple Airlines Logo
11:40 pm - 7:10 am
CCU
-
SEA
21h 00m1 stop
Multiple Airlines Logo
7:00 am - 10:15 pm
SEA
-
CCU
26h 45m2 stops
$1,157Multiple Airlines
Fri, Feb 13 - Sun, Apr 26
KLM Logo
8:15 pm - 11:25 am
CCU
-
SEA
28h 40m2 stops
KLM Logo
3:10 pm - 10:05 am
SEA
-
CCU
29h 25m2 stops
$1,948KLM
Wed, Jan 7 - Sun, Jan 18

Emirates flights from Kolkata to Seattle

Our best Emirates deals on Kolkata to Seattle flight tickets
Emirates
Mar 17
CCU9:15 amKolkata Netaji S. Chandra
40h 50m
1 stop
SEA1:35 pmSeattle/Tacoma Intl
Apr 5
SEA5:15 pmSeattle/Tacoma Intl
26h 25m
1 stop
CCU8:10 amKolkata Netaji S. Chandra
$1,330
Find similar
Emirates
Apr 6
CCU9:45 amKolkata Netaji S. Chandra
40h 10m
1 stop
SEA1:25 pmSeattle/Tacoma Intl
Apr 10
SEA5:15 pmSeattle/Tacoma Intl
37h 30m
1 stop
CCU7:15 pmKolkata Netaji S. Chandra
$1,363
Find similar

Singapore Airlines flights from Kolkata to Seattle

Our best Singapore Airlines deals on Kolkata to Seattle flight tickets
Singapore Airlines
Mar 20
CCU11:40 pmKolkata Netaji S. Chandra
21h 00m
1 stop
SEA8:10 amSeattle/Tacoma Intl
Apr 2
SEA10:15 amSeattle/Tacoma Intl
47h 30m
1 stop
CCU10:15 pmKolkata Netaji S. Chandra
$961
Find similar
Singapore Airlines
Mar 18
CCU11:40 pmKolkata Netaji S. Chandra
45h 00m
1 stop
SEA8:10 amSeattle/Tacoma Intl
Apr 2
SEA10:15 amSeattle/Tacoma Intl
23h 30m
1 stop
CCU10:15 pmKolkata Netaji S. Chandra
$963
Find similar
Singapore Airlines
Mar 20
CCU11:40 pmKolkata Netaji S. Chandra
21h 00m
1 stop
SEA8:10 amSeattle/Tacoma Intl
Apr 4
SEA10:15 amSeattle/Tacoma Intl
47h 30m
1 stop
CCU10:15 pmKolkata Netaji S. Chandra
$982
Find similar

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 December 15, 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

Fri 2/13

11:00 pm-9:48 pm

3 stops36h 18m

Seattle/Tacoma Intl

Sun 4/26

10:55 pm-4:50 pm

2 stops29h 25m

$850

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 1/27

7:30 pm-1:25 pm

2 stops31h 25m

Seattle/Tacoma Intl

Tue 2/3

1:40 pm-10:05 am

2 stops30h 55m

$971

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 2/13

11:40 pm-7:10 am

1 stop21h 00m

Seattle/Tacoma Intl

Sun 4/26

10:15 am-10:15 pm

1 stop47h 30m

$1,023

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 1/27

11:00 pm-7:16 pm

3 stops33h 46m

Seattle/Tacoma Intl

Tue 2/3

8:45 am-12:40 am

2 stops26h 25m

$1,061

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 2/12

12:30 am-6:40 pm

2 stops31h 40m

Seattle/Tacoma Intl

Sun 4/26

10:55 pm-4:50 pm

2 stops29h 25m

$1,075

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 1/27

9:30 pm-7:16 pm

3 stops35h 16m

Seattle/Tacoma Intl

Mon 2/2

12:10 am-1:35 am

3 stops35h 55m

$1,101

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 1/26

3:25 am-11:40 am

1 stop21h 45m

Seattle/Tacoma Intl

Tue 2/3

11:00 am-1:55 am

2 stops25h 25m

$1,108

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 1/26

3:25 am-11:40 am

1 stop21h 45m

Seattle/Tacoma Intl

Tue 2/3

8:45 am-10:25 pm

1 stop24h 10m

$1,134

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 2/13

11:40 pm-7:10 am

1 stop21h 00m

Seattle/Tacoma Intl

Sun 4/26

7:00 am-10:15 pm

2 stops26h 45m

$1,157

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 1/7

8:15 pm-11:25 am

2 stops28h 40m

Seattle/Tacoma Intl

Sun 1/18

3:10 pm-10:05 am

2 stops29h 25m

$1,948

Flights are sorted by cheapest round-trip 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?

In general, January 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 $1,133. If you don’t want to visit Seattle in January, then you should wait until April to fly from Kolkata, when ticket prices are also cheap, with an average price of $1,172.

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 $1,335 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 25% 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 December 2025, prices for Kolkata to Seattle flights are approximately 29% 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

Fastest flight time

21h 45m

Direct flights

None
The fastest flight from Kolkata to Seattle takes 21h 45m
There are no direct flights from Kolkata to Seattle. There are no popular flight routes from Kolkata to Seattle.
Search flight deals

  • 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 45m.

  • 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
1,413 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $1,251Free CancellationRating
7.4
3,681 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,329Free CancellationRating
8.1
3,441 reviews
Search Emirates flights

Traveling to a place near Seattle?

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

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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