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Cheap flights from Kolkata to Seattle from ₹ 56,923

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 23/6. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
16 Jun — 23 Jun1
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 11 June 2025.

Round-trip from

₹ 123,090

One-way from

₹ 56,923

Popular in

August

Cheapest in

April

Average price

₹ 116,071
KLM
  • KLM
  • 8/8-5/9
  • 4 total stops
  • 59h 20m total
  • Kolkata to Seattle
Search Deals
23/6
  • 23/6
  • 2 total stops
  • 29h 07m total
  • Kolkata to Seattle
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (₹ 812,610 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 248,288 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 11 June 2025.

Sat 14/619:00CCU - SEA
2 stops29h 10mKLM
Wed 30/714:05SEA - CCU
2 stops30h 30mKLM
Deal found 10/6₹ 109,651
Fri 13/603:50CCU - SEA
1 stop21h 25mQatar Airways
Wed 30/716:30SEA - CCU
1 stop21h 20mQatar Airways
Deal found 10/6₹ 114,102
Fri 8/819:05CCU - SEA
2 stops28h 40mMultiple Airlines
Fri 5/913:55SEA - CCU
2 stops30h 40mMultiple Airlines
Deal found 9/6₹ 123,090
Fri 8/822:15CCU - SEA
2 stops31h 30mTurkish Airlines
Fri 5/919:10SEA - CCU
2 stops31h 55mTurkish Airlines
Deal found 11/6₹ 124,887
Fri 13/602:00CCU - SEA
2 stops29h 20mThai Airways
Tue 29/702:10SEA - CCU
2 stops34h 05mThai Airways
Deal found 10/6₹ 141,236
Fri 8/823:30CCU - SEA
1 stop21h 45mSingapore Airlines
Fri 5/910:15SEA - CCU
1 stop23h 30mSingapore Airlines
Deal found 10/6₹ 145,516
Sat 14/620:45CCU - SEA
1 stop29h 10mEmirates
Wed 30/717:15SEA - CCU
1 stop26h 25mEmirates
Deal found 10/6₹ 145,859
Thu 7/802:00CCU - SEA
2 stops28h 50mBritish Airways
Fri 5/913:30SEA - CCU
2 stops37h 30mBritish Airways
Deal found 9/6₹ 150,738
Mon 28/712:30CCU - SEA
2 stops34h 35mJapan Airlines
Fri 28/1112:10SEA - CCU
2 stops40h 00mJapan Airlines
Deal found 11/6₹ 356,001

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 11 June 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

Fri 8/8

19:05-11:15

2 stops28h 40m

Seattle/Tacoma Intl

Fri 5/9

13:55-09:05

2 stops30h 40m

₹ 123,090

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 8/8

22:15-17:15

2 stops31h 30m

Seattle/Tacoma Intl

Fri 5/9

19:10-15:35

2 stops31h 55m

₹ 124,887

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 7/8

03:50-12:45

1 stop21h 25m

Seattle/Tacoma Intl

Fri 5/9

16:30-02:20

1 stop21h 20m

₹ 142,863

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 8/8

23:30-08:45

1 stop21h 45m

Seattle/Tacoma Intl

Fri 5/9

10:15-22:15

1 stop23h 30m

₹ 145,516

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 7/8

02:00-18:20

2 stops28h 50m

Seattle/Tacoma Intl

Fri 5/9

13:30-15:30

2 stops37h 30m

₹ 150,738

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 8/8

20:45-13:25

1 stop29h 10m

Seattle/Tacoma Intl

Fri 5/9

17:15-08:10

1 stop26h 25m

₹ 153,049

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Thu 7/8

02:00-19:10

2 stops29h 40m

Seattle/Tacoma Intl

Thu 4/9

00:30-00:45

2 stops35h 45m

₹ 174,619

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 28/7

12:30-10:35

2 stops34h 35m

Seattle/Tacoma Intl

Fri 28/11

12:10-17:40

2 stops40h 00m

₹ 356,001

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 23/6

06:25-23:02

2 stops29h 07m

₹ 56,923

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 28/6

20:35-10:35

2 stops26h 30m

₹ 59,662

Flights are sorted by cheapest return flights first.

Deals found on 9/6

Showing 1-10 of 17 results
1
2

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 9 June 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 ₹ 1,411). 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 11 June 2025.
Japan Airlines
8.3
Very Good
1,489 reviews
Check prices

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Food

7.7

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Japan Airlines
8.3
Very Good
1,489 reviews
Japan Airlines
8.3
Very Good
1,489 reviews
Check prices

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Food

7.7

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Emirates
8.1
Very Good
3,264 reviews
Japan Airlines
8.3
Very Good
1,489 reviews
Check prices

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Food

7.7

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Singapore Airlines
8.1
Very Good
1,302 reviews
Japan Airlines
8.3
Very Good
1,489 reviews
Check prices

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Food

7.7

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
KLM
7.8
Good
1,358 reviews
Japan Airlines
8.3
Very Good
1,489 reviews
Check prices

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Food

7.7

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Thai Airways
7.7
Good
335 reviews
Japan Airlines
8.3
Very Good
1,489 reviews
Check prices

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Food

7.7

Crew

8.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.

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 Turkish Airlines. Our recent data shows that you can find tickets from as low as ₹ 124,887 on this airline. Additional options worth looking into are Qatar Airways and Singapore Airlines, starting at ₹ 142,863 and ₹ 145,516 round-trip. You may be able to fly from Kolkata to Seattle for 1% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Kolkata to Seattle one-way?

    The cheapest airline one-way is Japan Airlines, with whom users have recently found tickets for as low as ₹ 59,662. However, be on the lookout for offers from Qatar Airways and SWISS, as they are both options that can get you from Kolkata to Seattle for a low price.

  • 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 ₹ 1,411). 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?

Book flights to Kolkata if you plan to visit one of these locations
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 11 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest₹ 86,318Average₹ 121,869FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
EmiratesCheapest₹ 114,252Average₹ 122,443FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qatar AirwaysCheapest₹ 115,890Average₹ 128,259FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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