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Cheap flights from Kolkata to Seattle from ₹ 60,995

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
12 Jun — 19 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kolkata to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Kolkata to Seattle
Explore the most affordable flight options available from Kolkata to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 May 2026.

Mon 22/604:00
CCU
-
SEA
1 stop20h 55m
Qatar Airways
Mon 29/606:03
SEA
-
CCU
2 stops31h 57m
Qatar Airways
Deal found 8/5₹ 107,555
Sun 7/604:00
CCU
-
SEA
2 stops42h 30m
Qatar Airways
Tue 23/616:25
SEA
-
CCU
1 stop21h 35m
Qatar Airways
Deal found 10/5₹ 115,490
Sun 21/601:10
CCU
-
SEA
3 stops30h 35m
Multiple Airlines
Sun 28/601:15
SEA
-
CCU
2 stops23h 25m
Multiple Airlines
Deal found 8/5₹ 118,836
Tue 9/604:00
CCU
-
SEA
2 stops41h 08m
Qatar Airways
Tue 16/616:25
SEA
-
CCU
1 stop21h 35m
Qatar Airways
Deal found 10/5₹ 121,513
Wed 19/804:00
CCU
-
SEA
2 stops41h 00m
Multiple Airlines
Fri 4/916:25
SEA
-
CCU
1 stop21h 35m
Multiple Airlines
Deal found 10/5₹ 123,138
Wed 3/621:40
CCU
-
SEA
2 stops26h 27m
KLM
Tue 13/1013:30
SEA
-
CCU
2 stops30h 15m
KLM
Deal found 8/5₹ 123,616
Tue 9/604:00
CCU
-
SEA
2 stops41h 08m
Qatar Airways
Sat 20/616:25
SEA
-
CCU
1 stop21h 35m
Qatar Airways
Deal found 10/5₹ 124,190
Wed 3/604:00
CCU
-
SEA
2 stops41h 04m
Qatar Airways
Thu 18/616:25
SEA
-
CCU
1 stop21h 35m
Qatar Airways
Deal found 10/5₹ 126,962
Sat 8/800:30
CCU
-
SEA
2 stops29h 15m
Multiple Airlines
Thu 17/919:10
SEA
-
CCU
2 stops26h 10m
Multiple Airlines
Deal found 8/5₹ 127,249
Sun 19/700:30
CCU
-
SEA
2 stops29h 15m
Multiple Airlines
Wed 28/1020:00
SEA
-
CCU
2 stops27h 55m
Multiple Airlines
Deal found 10/5₹ 128,588
Sat 13/622:30
CCU
-
SEA
2 stops48h 40m
Multiple Airlines
Wed 4/1120:00
SEA
-
CCU
2 stops36h 40m
Multiple Airlines
Deal found 8/5₹ 128,683
Wed 3/620:55
CCU
-
SEA
1 stop29h 00m
Emirates
Wed 14/1017:15
SEA
-
CCU
1 stop26h 25m
Emirates
Deal found 8/5₹ 128,779

Find flight deals from Kolkata to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Kolkata (CCU) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 May 2026.

Round-trip from

₹ 107,555

One-way from

₹ 60,995

Popular in

August

Cheapest in

April

Average price

₹ 120,748
Qatar Airways
  • Qatar Airways
  • 22/6-29/6
  • 3 total stops
  • 52h 52m total
  • Kolkata to Seattle
Search Deals
2/6
  • 2/6
  • 2 total stops
  • 26h 05m total
  • Kolkata to Seattle
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (₹ 1,160,714 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 169,618 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights 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, Cheapflights users made 454,620 searches. Data last updated 13 May 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 return flight

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 7/6

04:00-11:01

2 stops43h 31m

Seattle/Tacoma Intl

Mon 22/6

16:25-02:30

1 stop21h 35m

₹ 115,490
Fastest return journey

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 11/6

04:00-14:45

1 stop23h 15m

Seattle/Tacoma Intl

Thu 2/7

16:25-02:30

1 stop21h 35m

₹ 129,735

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 20/7

04:00-22:41

2 stops31h 11m

Seattle/Tacoma Intl

Wed 23/9

16:25-02:30

1 stop21h 35m

₹ 134,898

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 10/6

09:50-13:25

1 stop40h 05m

Seattle/Tacoma Intl

Sat 7/11

16:05-07:40

1 stop26h 05m

₹ 136,523

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 21/7

09:50-13:25

1 stop40h 05m

Seattle/Tacoma Intl

Sat 3/10

17:15-08:10

1 stop26h 25m

₹ 139,295

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 16/6

09:50-13:25

1 stop40h 05m

Seattle/Tacoma Intl

Wed 4/11

16:05-07:40

1 stop26h 05m

₹ 142,068

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 30/6

04:00-12:25

1 stop20h 55m

Seattle/Tacoma Intl

Fri 30/10

08:15-01:55

2 stops29h 10m

₹ 143,980

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 5/6

09:50-13:25

1 stop40h 05m

Seattle/Tacoma Intl

Fri 26/6

17:15-08:10

1 stop26h 25m

₹ 145,223

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 18/7

04:00-12:25

1 stop20h 55m

Seattle/Tacoma Intl

Wed 30/9

11:38-02:30

2 stops26h 22m

₹ 146,752

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 10/6

09:50-13:25

1 stop40h 05m

Seattle/Tacoma Intl

Fri 6/11

10:45-07:40

2 stops31h 25m

₹ 148,569

Flights are sorted by cheapest return flights first.

Deals found on 12/5

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Kolkata to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Kolkata with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kolkata to Seattle

What is the cheapest month to book a flight from Kolkata to Seattle?

Currently, April is the cheapest month in which you can book a flight from Kolkata to Seattle (average of ₹ 96,656). Flying from Kolkata to Seattle in August is currently the most expensive (average of ₹ 141,207). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Kolkata to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 13 May 2026.
See what other customers who have flown with Emirates,KLM, andQatar Airways from Kolkata to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,571 reviews
Check prices

Boarding

8.1

Crew

8.3

Overall

8.1

Comfort

8.0

Food

7.9

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DXB - MIA

Flight was cancelled due to the war in the Gulf
Emirates
8.1
Very Good
3,571 reviews
Emirates
8.1
Very Good
3,571 reviews
Check prices

Boarding

8.1

Crew

8.3

Overall

8.1

Comfort

8.0

Food

7.9

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DXB - MIA

Flight was cancelled due to the war in the Gulf
KLM
7.8
Good
1,517 reviews
Emirates
8.1
Very Good
3,571 reviews
Check prices

Boarding

8.1

Crew

8.3

Overall

8.1

Comfort

8.0

Food

7.9

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DXB - MIA

Flight was cancelled due to the war in the Gulf
Qatar Airways
7.4
Good
3,728 reviews
Emirates
8.1
Very Good
3,571 reviews
Check prices

Boarding

8.1

Crew

8.3

Overall

8.1

Comfort

8.0

Food

7.9

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DXB - MIA

Flight was cancelled due to the war in the Gulf

Related info for your journey

Find useful and relevant information for your journey from Kolkata to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kolkata to Seattle?

    There are many flights that can get you from Kolkata to Seattle in 40h 05m. Fly via Qatar Airways or Emirates to get the fastest option. Airlines will cover a distance of 11626 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Kolkata to Seattle round-trip?

    Our cheapest airline available from Kolkata to Seattle is KLM. Our recent data shows that you can find tickets from as low as ₹ 96,658 on this airline. Additional options worth looking into are Qatar Airways and Emirates, starting at ₹ 120,400 and ₹ 134,903 round-trip. You may be able to fly from Kolkata to Seattle for 20% less than the average price by searching for these airlines.

  • Can I find deals for flights from Kolkata to Seattle that include hotel bookings?

    Yes. In addition to deals on Kolkata to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Kolkata to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kolkata to Seattle.

  • Can I find deals for business class flights from Kolkata to Seattle?

    Yes. Cheapflights offers flight deals from Kolkata to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kolkata to Seattle?

    Currently, April is the cheapest month in which you can book a flight from Kolkata to Seattle (average of ₹ 96,656). Flying from Kolkata to Seattle in August is currently the most expensive (average of ₹ 141,207). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kolkata to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Kolkata to Portland flights
Kolkata to Bellingham flights

Top 3 airlines flying from Kolkata to Seattle

Discover the top 3 airlines that operate flights from Kolkata to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 13 May 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest₹ 96,658Average₹ 99,109FlexibilityNo cancel feeOn-time75%
Search KLM flights
Qatar AirwaysCheapest₹ 120,400Average₹ 147,864FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest₹ 134,903Average₹ 163,185FlexibilityNo cancel feeOn-time75%
Search Emirates flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Kolkata to Seattle?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Kolkata to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Kolkata to Seattle?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Kolkata.

Can Cheapflights find flights from Kolkata to Seattle with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Kolkata to Seattle flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Kolkata to Seattle become cheaper?

Not ready to book yet? You can track prices for flights from Kolkata to Seattle on Cheapflights with our Price Alert feature and get notified when better prices are available.

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