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Cheap flights from Kolkata to Seattle from $638

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 10/6. 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

Enter your travel dates to find the best prices.
Etihad Airways Logo
9:30 pm - 8:42 pm
CCU
-
SEA
35h 42m
2 stops
Etihad Airways Logo
11:55 pm - 3:00 am
SEA
-
CCU
38h 35m
2 stops
$1,020Etihad Airways
Mon, Sep 14 - Tue, Sep 15
Etihad Airways Logo
9:30 pm - 8:42 pm
CCU
-
SEA
35h 42m
2 stops
Etihad Airways Logo
11:55 pm - 8:30 pm
SEA
-
CCU
32h 05m
2 stops
$1,025Etihad Airways
Mon, Sep 14 - Wed, Sep 16
Etihad Airways Logo
4:10 am - 8:42 pm
CCU
-
SEA
53h 02m
2 stops
Etihad Airways Logo
11:55 pm - 8:30 pm
SEA
-
CCU
32h 05m
2 stops
$1,121Etihad Airways
Tue, Sep 15 - Fri, Sep 18
Etihad Airways Logo
9:30 pm - 8:42 pm
CCU
-
SEA
35h 42m
2 stops
Etihad Airways Logo
11:55 pm - 8:30 pm
SEA
-
CCU
32h 05m
2 stops
$1,122Etihad Airways
Mon, Sep 14 - Fri, Sep 18
Qatar Airways Logo
4:00 am - 11:59 pm
CCU
-
SEA
32h 29m
2 stops
Qatar Airways Logo
4:25 pm - 2:30 am
SEA
-
CCU
21h 35m
1 stop
$1,140Qatar Airways
Fri, Jun 12 - Fri, Jun 19
Qatar Airways Logo
4:00 am - 10:00 am
CCU
-
SEA
42h 30m
2 stops
Qatar Airways Logo
4:25 pm - 2:30 am
SEA
-
CCU
21h 35m
1 stop
$1,154Qatar Airways
Sun, Jun 7 - Mon, Jun 22
Qatar Airways Logo
4:00 am - 7:42 pm
CCU
-
SEA
28h 12m
2 stops
Qatar Airways Logo
4:25 pm - 2:30 am
SEA
-
CCU
21h 35m
1 stop
$1,164Qatar Airways
Tue, Sep 15 - Sun, Sep 20
Qatar Airways Logo
4:00 am - 10:58 pm
CCU
-
SEA
31h 28m
2 stops
Qatar Airways Logo
4:25 pm - 2:30 am
SEA
-
CCU
21h 35m
1 stop
$1,165Qatar Airways
Wed, Jun 10 - Sun, Jun 21
Qatar Airways Logo
4:00 am - 8:57 am
CCU
-
SEA
41h 27m
2 stops
Qatar Airways Logo
4:25 pm - 2:30 am
SEA
-
CCU
21h 35m
1 stop
$1,202Qatar Airways
Sun, Jun 7 - Sun, Jun 21
Etihad Airways Logo
4:10 am - 8:42 pm
CCU
-
SEA
53h 02m
2 stops
Etihad Airways Logo
11:55 pm - 8:30 pm
SEA
-
CCU
32h 05m
2 stops
$1,220Etihad Airways
Tue, Sep 15 - Sat, Sep 19

Qatar Airways flights from Kolkata to Seattle

Our best Qatar Airways deals on Kolkata to Seattle flight tickets
Qatar Airways
Jun 12
CCU4:00 amKolkata Netaji S. Chandra
32h 29m
2 stops
SEA11:59 pmSeattle/Tacoma Intl
Jun 19
SEA4:25 pmSeattle/Tacoma Intl
21h 35m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
$1,140
Qatar Airways
Jun 7
CCU4:00 amKolkata Netaji S. Chandra
42h 30m
2 stops
SEA10:00 amSeattle/Tacoma Intl
Jun 22
SEA4:25 pmSeattle/Tacoma Intl
21h 35m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
$1,154
Qatar Airways
Sep 15
CCU4:00 amKolkata Netaji S. Chandra
28h 12m
2 stops
SEA7:42 pmSeattle/Tacoma Intl
Sep 20
SEA4:25 pmSeattle/Tacoma Intl
21h 35m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
$1,164

Emirates flights from Kolkata to Seattle

Our best Emirates deals on Kolkata to Seattle flight tickets
Emirates
Aug 6
CCU9:50 amKolkata Netaji S. Chandra
40h 05m
1 stop
SEA1:25 pmSeattle/Tacoma Intl
Nov 1
SEA4:05 pmSeattle/Tacoma Intl
26h 05m
1 stop
CCU7:40 amKolkata Netaji S. Chandra
$1,373
Emirates
Aug 9
CCU8:55 pmKolkata Netaji S. Chandra
29h 00m
1 stop
SEA1:25 pmSeattle/Tacoma Intl
Sep 15
SEA5:15 pmSeattle/Tacoma Intl
26h 25m
1 stop
CCU8:10 amKolkata Netaji S. Chandra
$1,378
Emirates
Jun 8
CCU9:50 amKolkata Netaji S. Chandra
40h 05m
1 stop
SEA1:25 pmSeattle/Tacoma Intl
Oct 7
SEA5:15 pmSeattle/Tacoma Intl
26h 25m
1 stop
CCU8:10 amKolkata Netaji S. Chandra
$1,379

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 May 16, 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 round-trip

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 9/14

9:30 pm-8:42 pm

2 stops35h 42m

Seattle/Tacoma Intl

Tue 9/15

11:55 pm-3:00 am

2 stops38h 35m

$1,020

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 9/14

9:30 pm-8:42 pm

2 stops35h 42m

Seattle/Tacoma Intl

Wed 9/16

11:55 pm-8:30 pm

2 stops32h 05m

$1,025

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 9/15

4:10 am-8:42 pm

2 stops53h 02m

Seattle/Tacoma Intl

Fri 9/18

11:55 pm-8:30 pm

2 stops32h 05m

$1,121

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 9/14

9:30 pm-8:42 pm

2 stops35h 42m

Seattle/Tacoma Intl

Fri 9/18

11:55 pm-8:30 pm

2 stops32h 05m

$1,122

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 6/12

4:00 am-11:59 pm

2 stops32h 29m

Seattle/Tacoma Intl

Fri 6/19

4:25 pm-2:30 am

1 stop21h 35m

$1,140

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 6/7

4:00 am-10:00 am

2 stops42h 30m

Seattle/Tacoma Intl

Mon 6/22

4:25 pm-2:30 am

1 stop21h 35m

$1,154
Quickest round-trip

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 9/15

4:00 am-7:42 pm

2 stops28h 12m

Seattle/Tacoma Intl

Sun 9/20

4:25 pm-2:30 am

1 stop21h 35m

$1,164

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 6/10

4:00 am-10:58 pm

2 stops31h 28m

Seattle/Tacoma Intl

Sun 6/21

4:25 pm-2:30 am

1 stop21h 35m

$1,165

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 6/7

4:00 am-8:57 am

2 stops41h 27m

Seattle/Tacoma Intl

Sun 6/21

4:25 pm-2:30 am

1 stop21h 35m

$1,202

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 9/15

4:10 am-8:42 pm

2 stops53h 02m

Seattle/Tacoma Intl

Sat 9/19

11:55 pm-8:30 pm

2 stops32h 05m

$1,220

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 typical price of a round-trip flight between Kolkata and Seattle?

What is the cheapest month to fly to Seattle?

In general, April 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 $1,011. If you don’t want to visit Seattle in April, then you should wait until January to fly from Kolkata, when ticket prices are also cheap, with an average price of $1,037.

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 May 2026, prices for Kolkata to Seattle flights are approximately 2% 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

20h 55m

Direct flights

None
The fastest flight from Kolkata to Seattle takes 20h 55m
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?

    The distance between Kolkata Netaji S. Chandra and Seattle/Tacoma Intl is about 7221.3 mi. By plane, this route typically takes 20h 55m.

  • 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 $824Free CancellationRating
8.2
1,517 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $1,251Free CancellationRating
7.4
3,725 reviews
Search Qatar Airways 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
Redmond
Kent
Tukwila
Puyallup
Marysville
Lakewood
Cle Elum
Federal Way
Centralia
Fife
Westport
Shoreline
Tumwater

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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