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Cheap flights from Kolkata to Seattle from ₹ 38,406

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
13 Jul — 20 Jul1
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 8 July 2025.

Round-trip from

₹ 88,127

One-way from

₹ 38,406

Popular in

August

Cheapest in

April

Average price

₹ 130,133
Singapore Airlines
  • Singapore Airlines
  • 27/11-30/12
  • 2 total stops
  • 45h 10m total
  • Kolkata to Seattle
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Singapore Airlines
  • Singapore Airlines
  • 1/11
  • 1 total stop
  • 21h 00m total
  • Kolkata to Seattle
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (₹ 893,438 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (₹ 256,155 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 8 July 2025.

Thu 27/1123:40CCU - SEA
1 stop21h 00mSingapore Airlines
Tue 30/1208:45SEA - CCU
1 stop24h 10mSingapore Airlines
Deal found 7/7₹ 88,127
Wed 26/1100:30CCU - SEA
2 stops31h 15mMultiple Airlines
Mon 29/1200:10SEA - CCU
2 stops34h 15mMultiple Airlines
Deal found 7/7₹ 96,528
Wed 26/1103:20CCU - SEA
1 stop21h 55mQatar Airways
Tue 30/1215:40SEA - CCU
1 stop20h 35mQatar Airways
Deal found 7/7₹ 108,273
Wed 10/920:45CCU - SEA
1 stop29h 10mEmirates
Wed 10/1216:05SEA - CCU
1 stop26h 05mEmirates
Deal found 6/7₹ 115,388
Fri 8/819:05CCU - SEA
2 stops33h 20mKLM
Fri 5/913:30SEA - CCU
2 stops31h 05mKLM
Deal found 7/7₹ 129,619
Tue 9/902:00CCU - SEA
2 stops28h 50mBritish Airways
Wed 10/1218:50SEA - CCU
2 stops47h 15mBritish Airways
Deal found 6/7₹ 130,647
Fri 8/819:05CCU - SEA
2 stops34h 40mTurkish Airlines
Fri 5/919:10SEA - CCU
2 stops27h 05mTurkish Airlines
Deal found 8/7₹ 136,391

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 8 July 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

Thu 27/11

23:40-07:10

1 stop21h 00m

Seattle/Tacoma Intl

Tue 30/12

08:45-22:25

1 stop24h 10m

₹ 88,127

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 26/11

00:30-18:15

2 stops31h 15m

Seattle/Tacoma Intl

Mon 29/12

00:10-23:55

2 stops34h 15m

₹ 96,528

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 26/11

03:20-11:45

1 stop21h 55m

Seattle/Tacoma Intl

Tue 30/12

15:40-01:45

1 stop20h 35m

₹ 108,273

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 10/9

20:45-13:25

1 stop29h 10m

Seattle/Tacoma Intl

Wed 10/12

16:05-07:40

1 stop26h 05m

₹ 115,388

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 8/8

19:05-15:55

2 stops33h 20m

Seattle/Tacoma Intl

Fri 5/9

13:30-09:05

2 stops31h 05m

₹ 129,619

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 9/9

02:00-18:20

2 stops28h 50m

Seattle/Tacoma Intl

Wed 10/12

18:50-07:35

2 stops47h 15m

₹ 130,647

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 8/8

19:05-17:15

2 stops34h 40m

Seattle/Tacoma Intl

Fri 5/9

19:10-10:45

2 stops27h 05m

₹ 136,391

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sat 1/11

23:40-08:10

1 stop21h 00m

₹ 38,406

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 31/10

02:35-16:05

2 stops26h 00m

₹ 52,808

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 29/12

09:15-12:35

1 stop40h 50m

₹ 70,124

Flights are sorted by cheapest return flights first.

Deals found on 7/7

Showing 1-10 of 15 results
1
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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 27 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 ₹ 1,362). 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 8 July 2025.
See what other customers who have flown with Japan Airlines, Emirates, andSingapore Airlines 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.
Japan Airlines
8.3
Very Good
1,507 reviews
Check prices

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Japan Airlines
8.3
Very Good
1,507 reviews
Japan Airlines
8.3
Very Good
1,507 reviews
Check prices

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Emirates
8.1
Very Good
3,288 reviews
Japan Airlines
8.3
Very Good
1,507 reviews
Check prices

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Singapore Airlines
8.1
Very Good
1,322 reviews
Japan Airlines
8.3
Very Good
1,507 reviews
Check prices

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
KLM
7.8
Good
1,370 reviews
Japan Airlines
8.3
Very Good
1,507 reviews
Check prices

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Thai Airways
7.7
Good
336 reviews
Japan Airlines
8.3
Very Good
1,507 reviews
Check prices

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Overall

8.3

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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 ₹ 88,127 on this airline. Additional options worth looking into are Qatar Airways and Emirates, starting at ₹ 108,273 and ₹ 115,388 round-trip. You may be able to fly from Kolkata to Seattle for 29% 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 Singapore Airlines, with whom users have recently found tickets for as low as ₹ 38,406. However, be on the lookout for offers from Emirates and Qatar Airways, 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 ₹ 1,362). 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 8 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest₹ 86,448Average₹ 122,052FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
EmiratesCheapest₹ 114,424Average₹ 123,923FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qatar AirwaysCheapest₹ 116,064Average₹ 133,972FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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