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Cheap flights from Kolkata to Seattle from ₹ 23,772

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from Kolkata Netaji S. Chandra to Seattle/Tacoma Intl are usually found in April or February, booked 90 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap 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 29 April 2025.

Round-trip from

₹ 23,772

Popular in

August

Cheapest in

April

Average price

₹ 111,701
Singapore Airlines
  • Singapore Airlines
  • 12/5-15/5
  • 2 total stops
  • 45h 15m total
  • Kolkata to Seattle
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Highest demand for flights based on searches. 11% potential increase in price (₹ 1,379,855 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (₹ 399,606 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Kolkata to Seattle

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 29 April 2025.

Mon 12/523:30CCU - SEA
1 stop21h 45mSingapore Airlines
Thu 15/510:15SEA - CCU
1 stop23h 30mSingapore Airlines
Deal found 28/4₹ 23,772
Sun 11/501:30CCU - SEA
1 stop24h 25mEmirates
Thu 15/517:15SEA - CCU
1 stop26h 25mEmirates
Deal found 28/4₹ 56,489
Sun 15/600:30CCU - SEA
2 stops28h 10mMultiple Airlines
Fri 22/810:15SEA - CCU
1 stop23h 30mMultiple Airlines
Deal found 28/4₹ 90,826
Mon 16/619:00CCU - SEA
2 stops29h 10mKLM
Fri 22/813:55SEA - CCU
2 stops30h 00mKLM
Deal found 28/4₹ 103,351
Mon 16/619:00CCU - SEA
2 stops28h 05mJapan Airlines
Sun 24/813:30SEA - CCU
2 stops34h 50mJapan Airlines
Deal found 28/4₹ 107,952
Mon 23/603:50CCU - SEA
1 stop21h 25mQatar Airways
Wed 12/1115:40SEA - CCU
1 stop20h 35mQatar Airways
Deal found 28/4₹ 110,252
Tue 24/619:05CCU - SEA
2 stops28h 40mAir France
Tue 11/1113:35SEA - CCU
2 stops29h 35mAir France
Deal found 28/4₹ 114,768
Sun 15/602:00CCU - SEA
2 stops45h 40mBritish Airways
Mon 25/820:20SEA - CCU
2 stops25h 40mBritish Airways
Deal found 28/4₹ 119,114
Thu 7/802:00CCU - SEA
2 stops29h 40mThai Airways
Thu 4/901:30SEA - CCU
2 stops34h 45mThai Airways
Deal found 28/4₹ 177,477
Mon 12/521:20CCU - SEA
2 stops27h 35mLufthansa
Thu 15/510:00SEA - CCU
3 stops34h 30mLufthansa
Deal found 28/4₹ 182,590

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 29 April 2025.
Use the filters below to find and compare flights from Kolkata to Seattle that are best for you.

Fly from

Kolkata

Fly to

Seattle

Route

Depart

Return

Price

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 12/5

23:30-08:45

1 stop21h 45m

Seattle/Tacoma Intl

Thu 15/5

10:15-22:15

1 stop23h 30m

₹ 23,772

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 11/5

01:30-13:25

1 stop24h 25m

Seattle/Tacoma Intl

Thu 15/5

17:15-08:10

1 stop26h 25m

₹ 56,489

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 15/6

00:30-16:10

2 stops28h 10m

Seattle/Tacoma Intl

Fri 22/8

10:15-22:15

1 stop23h 30m

₹ 90,826

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 16/6

19:00-11:40

2 stops29h 10m

Seattle/Tacoma Intl

Fri 22/8

13:55-08:25

2 stops30h 00m

₹ 103,351

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 16/6

19:00-10:35

2 stops28h 05m

Seattle/Tacoma Intl

Sun 24/8

13:30-12:50

2 stops34h 50m

₹ 107,952

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 23/6

03:50-12:45

1 stop21h 25m

Seattle/Tacoma Intl

Wed 12/11

15:40-01:45

1 stop20h 35m

₹ 110,252

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 24/6

19:05-11:15

2 stops28h 40m

Seattle/Tacoma Intl

Tue 11/11

13:35-08:40

2 stops29h 35m

₹ 114,768

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 15/6

02:00-11:10

2 stops45h 40m

Seattle/Tacoma Intl

Mon 25/8

20:20-10:30

2 stops25h 40m

₹ 119,114

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 7/8

02:00-19:10

2 stops29h 40m

Seattle/Tacoma Intl

Thu 4/9

01:30-00:45

2 stops34h 45m

₹ 177,477

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 12/5

21:20-12:25

2 stops27h 35m

Seattle/Tacoma Intl

Thu 15/5

10:00-09:00

3 stops34h 30m

₹ 182,590

Flights are sorted by cheapest return flights first.

Deals found on 28/4

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

How far ahead should I book a flight from Kolkata to Seattle?

Use this chart to determine the optimal time to book a return flight from Kolkata to Seattle. Price data was last updated on 25 April 2025.

The price you pay for your flight from Kolkata to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Kolkata to Seattle (average of ₹ 984). Flying from Kolkata to Seattle in August is currently the most expensive (average of ₹ 1,459). 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.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 29 April 2025.
Read through reviews of airlines operating flights from Kolkata to Seattle, such as Japan Airlines, Singapore Airlines and Emirates. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Japan Airlines
8.3
Very Good
1,459 reviews
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Singapore Airlines
8.1
Very Good
1,292 reviews
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Emirates
8.0
Very Good
3,213 reviews
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Thai Airways
7.7
Good
325 reviews
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Qatar Airways
7.4
Good
3,561 reviews
Japan Airlines
8.3
Very Good
1,459 reviews
Check prices

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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.

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

    Our cheapest airline available from Kolkata to Seattle is Singapore Airlines. Our recent data shows that you can find tickets from as low as ₹ 23,772 on this airline. Additional options worth looking into are Emirates and Qatar Airways, starting at ₹ 56,489 and ₹ 110,252 round-trip. You may be able to fly from Kolkata to Seattle for 81% 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, October is the cheapest month in which you can book a flight from Kolkata to Seattle (average of ₹ 984). Flying from Kolkata to Seattle in August is currently the most expensive (average of ₹ 1,459). 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

Travelling to a place near Kolkata?

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Lakewood

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Alternative routes for Kolkata to Seattle

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Kolkata to Portland 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest₹ 85,919Average₹ 121,307FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
EmiratesCheapest₹ 113,725Average₹ 123,379FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qatar AirwaysCheapest₹ 119,058Average₹ 127,613FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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

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

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