Cheap flights from Kolkata to Seattle from ₹ 43,884
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 23/1. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
9 Jan — 16 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Kolkata Netaji S. Chandra to Seattle/Tacoma Intl are usually found in January or April, booked 90 days in advance, depart on a Monday or Wednesday and return on a Monday
Cheap flight deals from Kolkata to Seattle
Enter your travel dates to find the best prices.
Best flights from Kolkata to Seattle
Discover carefully curated flight deals from Kolkata to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 December 2025.
Thu 12/223:40CCU - SEA
1 stop21h 00mSingapore Airlines
Sat 14/309:45SEA - CCU
1 stop24h 10mSingapore Airlines
Deal found 8/12₹ 78,596
Wed 25/218:30CCU - SEA
2 stops30h 25mKLM
Tue 12/514:05SEA - CCU
2 stops32h 10mKLM
Deal found 10/12₹ 89,747
Wed 29/423:30CCU - SEA
2 stops29h 18mMultiple Airlines
Tue 28/718:55SEA - CCU
2 stops38h 50mMultiple Airlines
Deal found 8/12₹ 103,056
Wed 25/203:25CCU - SEA
1 stop21h 45mQatar Airways
Tue 12/516:30SEA - CCU
1 stop21h 20mQatar Airways
Deal found 10/12₹ 117,984
Wed 29/423:30CCU - SEA
1 stop21h 45mSingapore Airlines
Tue 28/710:15SEA - CCU
1 stop23h 30mSingapore Airlines
Deal found 9/12₹ 87,139
Tue 3/318:30CCU - SEA
2 stops30h 35mMultiple Airlines
Mon 13/713:30SEA - CCU
2 stops26h 45mMultiple Airlines
Deal found 9/12₹ 103,326
Wed 25/203:25CCU - SEA
1 stop21h 45mQatar Airways
Mon 11/516:30SEA - CCU
1 stop21h 20mQatar Airways
Deal found 10/12₹ 117,984
Wed 11/203:25CCU - SEA
1 stop21h 45mQatar Airways
Thu 12/317:05SEA - CCU
1 stop20h 20mQatar Airways
Deal found 8/12₹ 118,074
Fri 13/223:40CCU - SEA
1 stop21h 00mSingapore Airlines
Sun 15/309:45SEA - CCU
1 stop24h 10mSingapore Airlines
Deal found 8/12₹ 118,343
Tue 10/203:25CCU - SEA
1 stop21h 45mQatar Airways
Tue 17/317:05SEA - CCU
1 stop20h 20mQatar Airways
Deal found 8/12₹ 118,074
Last-minute flights from Kolkata to Seattle
Discover last-minute flight deals from Kolkata to Seattle. Data last updated 10 December 2025 and is based on user searches.
Thu 22/123:00CCU - SEA
3 stops36h 28mMultiple Airlines
Thu 29/114:40SEA - CCU
2 stops40h 05mMultiple Airlines
Deal found 8/12₹ 88,218
Fri 23/123:00CCU - SEA
3 stops33h 35mMultiple Airlines
Sun 8/309:45SEA - CCU
1 stop38h 00mMultiple Airlines
Deal found 7/12₹ 90,916
Sun 25/123:00CCU - SEA
3 stops33h 35mMultiple Airlines
Thu 5/308:45SEA - CCU
1 stop24h 10mMultiple Airlines
Deal found 7/12₹ 87,948
Mon 26/123:00CCU - SEA
3 stops33h 35mMultiple Airlines
Thu 12/322:51SEA - CCU
2 stops32h 54mMultiple Airlines
Deal found 7/12₹ 79,945
Mon 26/123:00CCU - SEA
3 stops33h 35mMultiple Airlines
Mon 9/314:44SEA - CCU
2 stops37h 36mMultiple Airlines
Deal found 7/12₹ 80,754
Mon 26/123:40CCU - SEA
1 stop21h 00mSingapore Airlines
Thu 12/309:45SEA - CCU
1 stop48h 10mSingapore Airlines
Deal found 7/12₹ 94,423
Tue 27/120:45CCU - SEA
2 stops28h 35mMultiple Airlines
Fri 13/315:10SEA - CCU
2 stops25h 00mMultiple Airlines
Deal found 7/12₹ 87,409
Wed 28/123:40CCU - SEA
1 stop21h 00mSingapore Airlines
Fri 6/308:45SEA - CCU
1 stop24h 10mSingapore Airlines
Deal found 7/12₹ 86,150
Wed 28/118:30CCU - SEA
2 stops30h 25mMultiple Airlines
Wed 11/315:10SEA - CCU
2 stops28h 05mMultiple Airlines
Deal found 7/12₹ 89,747
Wed 28/118:30CCU - SEA
2 stops30h 25mKLM
Sun 15/316:00SEA - CCU
2 stops26h 40mKLM
Deal found 7/12₹ 89,837
Wed 28/100:50CCU - SEA
2 stops31h 20mMultiple Airlines
Tue 3/308:45SEA - CCU
1 stop24h 10mMultiple Airlines
Deal found 7/12₹ 94,153
Thu 29/120:15CCU - SEA
2 stops30h 40mKLM
Sun 15/316:00SEA - CCU
2 stops29h 35mKLM
Deal found 7/12₹ 87,499
One-way flights from Kolkata to Seattle
Search for one-way flight options from Kolkata to Seattle. Find affordable one-way fares based on user searches. Data last updated 10 December 2025.
Fri 23/117:30CCU - SEA
3 stops40h 34mMultiple Airlines
Deal found 10/12₹ 43,884
Thu 12/217:30CCU - SEA
3 stops41h 48mMultiple Airlines
Deal found 8/12₹ 44,244
Wed 21/106:00CCU - SEA
3 stops50h 35mMultiple Airlines
Deal found 10/12₹ 45,143
Tue 20/118:55CCU - SEA
3 stops39h 09mMultiple Airlines
Deal found 10/12₹ 45,233
Mon 9/217:30CCU - SEA
3 stops39h 05mMultiple Airlines
Deal found 8/12₹ 46,312
Sat 7/318:00CCU - SEA
3 stops52h 49mMultiple Airlines
Deal found 9/12₹ 47,301
Mon 19/120:35CCU - SEA
3 stops37h 29mMultiple Airlines
Deal found 10/12₹ 49,190
Sat 14/318:00CCU - SEA
3 stops51h 17mMultiple Airlines
Deal found 8/12₹ 49,550
Tue 17/318:00CCU - SEA
3 stops51h 40mMultiple Airlines
Deal found 8/12₹ 49,729
Mon 30/321:15CCU - SEA
3 stops35h 20mMultiple Airlines
Deal found 9/12₹ 50,179
Thu 22/121:20CCU - SEA
3 stops38h 08mMultiple Airlines
Deal found 10/12₹ 50,359
Tue 24/300:30CCU - SEA
3 stops31h 40mMultiple Airlines
Deal found 9/12₹ 50,449
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 10 December 2025.
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 10 December 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 12/2
23:40-07:10
1 stop21h 00m
Seattle/Tacoma Intl
Sat 14/3
09:45-22:25
1 stop24h 10m
₹ 78,596
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Wed 29/4
23:30-08:45
1 stop21h 45m
Seattle/Tacoma Intl
Tue 28/7
10:15-22:15
1 stop23h 30m
₹ 87,139
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Wed 25/2
18:30-11:25
2 stops30h 25m
Seattle/Tacoma Intl
Tue 12/5
14:05-10:45
2 stops32h 10m
₹ 89,747
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Wed 29/4
23:30-16:18
2 stops29h 18m
Seattle/Tacoma Intl
Tue 28/7
18:55-22:15
2 stops38h 50m
₹ 103,056
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Tue 3/3
18:30-11:35
2 stops30h 35m
Seattle/Tacoma Intl
Mon 13/7
13:30-04:45
2 stops26h 45m
₹ 103,326
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Wed 25/2
03:25-11:40
1 stop21h 45m
Seattle/Tacoma Intl
Tue 12/5
16:30-02:20
1 stop21h 20m
₹ 117,984
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Wed 25/2
03:25-11:40
1 stop21h 45m
Seattle/Tacoma Intl
Mon 11/5
16:30-02:20
1 stop21h 20m
₹ 117,984
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Wed 11/2
03:25-11:40
1 stop21h 45m
Seattle/Tacoma Intl
Thu 12/3
17:05-01:55
1 stop20h 20m
₹ 118,074
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Tue 10/2
03:25-11:40
1 stop21h 45m
Seattle/Tacoma Intl
Tue 17/3
17:05-01:55
1 stop20h 20m
₹ 118,074
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Fri 13/2
23:40-07:10
1 stop21h 00m
Seattle/Tacoma Intl
Sun 15/3
09:45-22:25
1 stop24h 10m
₹ 118,343
Flights are sorted by cheapest return flights first.
Deals found on 10/12
Showing 1-10 of 20 results
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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
Prices
More
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 5 December 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, June is the cheapest month in which you can book a flight from Kolkata to Seattle (average of ₹ 66,186). Flying from Kolkata to Seattle in August is currently the most expensive (average of ₹ 126,527). 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.
What’s the top stopover airport for flights from Kolkata to Seattle?
Share of one-stop return flights from Kolkata to Seattle chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Dubai (DXB) – chosen by Cheapflights users on 38% of one-stop itineraries from Kolkata to Seattle on Cheapflights.
What’s the cheapest stopover airport for flights from Kolkata to Seattle?
Average return fare for one-stop flights from Kolkata to Seattle, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Doha (DOH) is the most affordable one-stop option, with an average return flight price of ₹ 201,481.
What’s the fastest stopover option from Kolkata to Seattle?
Shortest average travel time for one-stop one-way flights from Kolkata to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Doha (DOH) have the shortest average one-way travel time for one-stop routes: 21h 28m.
Which airport typically offers the quickest stopover for flights from Kolkata to Seattle?
Average stopover duration for one-stop one-way flights from Kolkata to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Doha (DOH) offer the fastest connection on this route, with an average stopover time of 1h 34m.
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 10 December 2025.
See what other customers who have flown with Emirates, Singapore Airlines, 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.
Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.
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 21h. Fly via Singapore Airlines or KLM 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 ₹ 90,683 on this airline. Additional options worth looking into are Qatar Airways and Emirates, starting at ₹ 113,250 and ₹ 120,030 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 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, June is the cheapest month in which you can book a flight from Kolkata to Seattle (average of ₹ 66,186). Flying from Kolkata to Seattle in August is currently the most expensive (average of ₹ 126,527). 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.
Browse through other flights departing from Kolkata. Flights are based on user searches made on Cheapflights and were last updated on 10 December 2025.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 December 2025.
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 10 December 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
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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