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Cheap flights from Kolkata to Seattle from ₹ 61,759

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 13/7. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
27 Apr — 4 May1
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 28 March 2026.

Tue 16/617:30
CCU
-
SEA
2 stops30h 15m
Air France
Mon 9/1114:05
SEA
-
CCU
2 stops28h 10m
Air France
Deal found 26/3₹ 101,104
Tue 16/617:30
CCU
-
SEA
2 stops30h 15m
Multiple Airlines
Tue 10/1113:40
SEA
-
CCU
2 stops28h 00m
Multiple Airlines
Deal found 26/3₹ 101,293
Mon 1/603:00
CCU
-
SEA
2 stops25h 30m
Multiple Airlines
Sat 12/910:15
SEA
-
CCU
1 stop23h 30m
Multiple Airlines
Deal found 27/3₹ 101,671
Tue 14/704:10
CCU
-
SEA
2 stops28h 57m
Multiple Airlines
Tue 11/806:10
SEA
-
CCU
2 stops25h 50m
Multiple Airlines
Deal found 23/3₹ 102,144
Sun 14/620:45
CCU
-
SEA
2 stops32h 09m
Multiple Airlines
Mon 28/918:45
SEA
-
CCU
2 stops46h 15m
Multiple Airlines
Deal found 25/3₹ 104,130
Sat 11/709:55
CCU
-
SEA
2 stops41h 00m
Multiple Airlines
Fri 14/810:15
SEA
-
CCU
1 stop23h 30m
Multiple Airlines
Deal found 23/3₹ 108,765
Sat 18/722:30
CCU
-
SEA
2 stops30h 00m
Multiple Airlines
Sat 22/810:15
SEA
-
CCU
1 stop36h 55m
Multiple Airlines
Deal found 26/3₹ 108,859
Tue 16/617:30
CCU
-
SEA
2 stops30h 15m
Air France
Wed 11/1114:05
SEA
-
CCU
2 stops28h 10m
Air France
Deal found 26/3₹ 110,373
Thu 18/622:30
CCU
-
SEA
2 stops25h 37m
Multiple Airlines
Thu 12/1113:40
SEA
-
CCU
2 stops30h 45m
Multiple Airlines
Deal found 26/3₹ 110,467
Thu 18/622:30
CCU
-
SEA
2 stops25h 37m
KLM
Tue 10/1113:40
SEA
-
CCU
2 stops28h 00m
KLM
Deal found 26/3₹ 110,562

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 28 March 2026.

Round-trip from

₹ 101,104

One-way from

₹ 61,759

Popular in

August

Cheapest in

January

Average price

₹ 128,532
Air France
  • Air France
  • 16/6-9/11
  • 4 total stops
  • 58h 25m total
  • Kolkata to Seattle
Search Deals
13/7
  • 13/7
  • 2 total stops
  • 30h 00m total
  • Kolkata to Seattle
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (₹ 1,258,165 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 177,057 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 28 March 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

Tue 12/5

04:00-23:29

2 stops31h 59m

Seattle/Tacoma Intl

Tue 19/5

16:30-02:30

1 stop21h 30m

₹ 115,953

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 21/9

09:50-13:25

1 stop40h 05m

Seattle/Tacoma Intl

Thu 24/9

17:15-19:15

1 stop37h 30m

₹ 122,951

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 10/5

04:00-08:32

2 stops41h 02m

Seattle/Tacoma Intl

Sun 17/5

16:30-02:30

1 stop21h 30m

₹ 128,342
Fastest return journey

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 12/5

04:00-12:45

1 stop21h 15m

Seattle/Tacoma Intl

Tue 19/5

16:30-02:30

1 stop21h 30m

₹ 135,152

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Sun 14/6

09:50-13:25

1 stop40h 05m

Seattle/Tacoma Intl

Mon 28/9

11:00-08:10

2 stops32h 40m

₹ 135,341

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Wed 29/4

23:40-20:25

3 stops33h 15m

Seattle/Tacoma Intl

Tue 28/7

21:38-22:35

2 stops36h 27m

₹ 137,138

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 21/9

19:15-10:35

2 stops27h 50m

Seattle/Tacoma Intl

Thu 24/9

13:15-10:35

2 stops32h 50m

₹ 137,516

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Tue 2/6

09:50-18:47

2 stops45h 27m

Seattle/Tacoma Intl

Fri 17/7

17:15-08:10

1 stop26h 25m

₹ 138,651
Cheapest one-way

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Fri 10/4

17:50-13:25

2 stops32h 05m

₹ 74,149

KolkataSeattle

CCU - SEA

CCUSEA

Kolkata Netaji S. Chandra

Mon 6/4

00:30-14:25

3 stops50h 25m

₹ 75,095

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 18 resultsSorted by cheapest first
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

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

Currently, November is the cheapest month in which you can book a flight from Kolkata to Seattle (average of ₹ 84,364). Flying from Kolkata to Seattle in August is currently the most expensive (average of ₹ 133,166). 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 28 March 2026.
See what other customers who have flown with Singapore Airlines,Emirates, 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.
Singapore Airlines
8.2
Very Good
1,484 reviews
Check prices

Comfort

8.0

Overall

8.2

Entertainment

8.0

Crew

8.6

Boarding

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.2
Very Good
1,484 reviews
Singapore Airlines
8.2
Very Good
1,484 reviews
Check prices

Comfort

8.0

Overall

8.2

Entertainment

8.0

Crew

8.6

Boarding

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Emirates
8.1
Very Good
3,546 reviews
Singapore Airlines
8.2
Very Good
1,484 reviews
Check prices

Comfort

8.0

Overall

8.2

Entertainment

8.0

Crew

8.6

Boarding

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Qatar Airways
7.4
Good
3,733 reviews
Singapore Airlines
8.2
Very Good
1,484 reviews
Check prices

Comfort

8.0

Overall

8.2

Entertainment

8.0

Crew

8.6

Boarding

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during 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.

  • How long is the flight from Kolkata to Seattle?

    There are many flights that can get you from Kolkata to Seattle in 25h 42m. Fly via KLM 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 Singapore Airlines. Our recent data shows that you can find tickets from as low as ₹ 92,870 on this airline. Additional options worth looking into are Qatar Airways and Emirates, starting at ₹ 119,108 and ₹ 127,627 round-trip. You may be able to fly from Kolkata to Seattle for 24% 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, November is the cheapest month in which you can book a flight from Kolkata to Seattle (average of ₹ 84,364). Flying from Kolkata to Seattle in August is currently the most expensive (average of ₹ 133,166). 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 28 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest₹ 92,870Average₹ 129,805FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qatar AirwaysCheapest₹ 119,108Average₹ 143,973FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest₹ 127,627Average₹ 136,955FlexibilityNo 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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