Cheap flights from Kolkata to Seattle from ₹ 44,341
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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
11 Dec — 18 Dec1
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 December or November, booked 90 days in advance, depart on a Monday or Wednesday and return on a Monday
Find 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 11 November 2025.
Sat 20/1221:00CCU - SEA
3 stops34h 46mMultiple Airlines
Sun 11/114:40SEA - CCU
2 stops36h 40mMultiple Airlines
Deal found 11/11₹ 98,260
Sat 20/1223:40CCU - SEA
1 stop21h 00mSingapore Airlines
Sun 11/108:45SEA - CCU
1 stop24h 10mSingapore Airlines
Deal found 11/11₹ 102,606
Thu 20/1119:30CCU - SEA
2 stops31h 20mAir France
Thu 4/1213:40SEA - CCU
2 stops28h 35mAir France
Deal found 10/11₹ 115,820
Fri 19/1203:25CCU - SEA
1 stop21h 45mQatar Airways
Sun 11/116:05SEA - CCU
1 stop20h 20mQatar Airways
Deal found 11/11₹ 115,908
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 11 November 2025.
Mon 16/300:30CCU - SEA
2 stops32h 47mMultiple Airlines
Wed 18/323:20SEA - CCU
2 stops32h 05mMultiple Airlines
Deal found 10/11₹ 90,456
Sat 20/1223:40CCU - SEA
1 stop21h 00mSingapore Airlines
Sun 11/108:45SEA - CCU
1 stop24h 10mSingapore Airlines
Deal found 11/11₹ 102,606
Tue 21/402:00CCU - SEA
2 stops30h 15mVirgin Atlantic
Sun 26/420:25SEA - CCU
2 stops32h 55mVirgin Atlantic
Deal found 8/11₹ 105,532
Sat 20/1221:00CCU - SEA
3 stops34h 46mMultiple Airlines
Sun 11/114:40SEA - CCU
2 stops36h 40mMultiple Airlines
Deal found 11/11₹ 98,260
Tue 17/322:00CCU - SEA
2 stops33h 25mMultiple Airlines
Tue 4/822:41SEA - CCU
2 stops29h 39mMultiple Airlines
Deal found 10/11₹ 102,961
Last-minute flights from Kolkata to Seattle
Discover last-minute flight deals from Kolkata to Seattle. Data last updated 11 November 2025 and is based on user searches.
Thu 20/1119:30CCU - SEA
2 stops31h 20mAir France
Thu 4/1213:40SEA - CCU
2 stops28h 35mAir France
Deal found 9/11₹ 115,820
Fri 19/1203:25CCU - SEA
1 stop21h 45mQatar Airways
Sun 11/116:05SEA - CCU
1 stop20h 20mQatar Airways
Deal found 11/11₹ 115,908
Sat 20/1221:00CCU - SEA
3 stops34h 46mMultiple Airlines
Sun 11/114:40SEA - CCU
2 stops36h 40mMultiple Airlines
Deal found 11/11₹ 98,260
Sat 20/1223:40CCU - SEA
1 stop21h 00mSingapore Airlines
Sun 11/108:45SEA - CCU
1 stop24h 10mSingapore Airlines
Deal found 11/11₹ 102,606
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 11 November 2025.
Sat 13/1203:35CCU - SEA
3 stops44h 01mMultiple Airlines
Deal found 9/11₹ 46,204
Fri 12/1203:35CCU - SEA
3 stops43h 51mMultiple Airlines
Deal found 9/11₹ 46,558
Sun 1/321:30CCU - SEA
3 stops35h 16mMultiple Airlines
Deal found 10/11₹ 46,913
Wed 17/1200:05CCU - SEA
3 stops44h 32mMultiple Airlines
Deal found 9/11₹ 47,800
Fri 19/1220:55CCU - SEA
3 stops50h 46mMultiple Airlines
Deal found 9/11₹ 50,993
Thu 4/1221:30CCU - SEA
2 stops29h 25mAir France
Deal found 10/11₹ 51,791
Tue 16/1205:05CCU - SEA
3 stops45h 07mMultiple Airlines
Deal found 9/11₹ 51,879
Fri 5/1218:30CCU - SEA
2 stops30h 25mKLM
Deal found 8/11₹ 52,057
Tue 23/1206:00CCU - SEA
3 stops53h 44mMultiple Airlines
Deal found 9/11₹ 52,145
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 November 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 11 November 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 16/3
00:30-20:47
2 stops32h 47m
Seattle/Tacoma Intl
Wed 18/3
23:20-19:55
2 stops32h 05m
₹ 90,456
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Sat 20/12
21:00-18:16
3 stops34h 46m
Seattle/Tacoma Intl
Sun 11/1
14:40-16:50
2 stops36h 40m
₹ 98,260
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Sat 20/12
23:40-07:10
1 stop21h 00m
Seattle/Tacoma Intl
Sun 11/1
08:45-22:25
1 stop24h 10m
₹ 102,606
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Tue 17/3
22:00-18:55
2 stops33h 25m
Seattle/Tacoma Intl
Tue 4/8
22:41-16:50
2 stops29h 39m
₹ 102,961
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Tue 21/4
02:00-19:45
2 stops30h 15m
Seattle/Tacoma Intl
Sun 26/4
20:25-17:50
2 stops32h 55m
₹ 105,532
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Thu 11/12
17:30-18:59
3 stops38h 59m
₹ 44,341
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Sat 13/12
03:35-10:06
3 stops44h 01m
₹ 46,204
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Fri 12/12
03:35-09:56
3 stops43h 51m
₹ 46,558
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Mon 22/12
20:55-09:37
2 stops50h 12m
₹ 50,106
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Fri 19/12
20:55-10:11
3 stops50h 46m
₹ 50,993
Flights are sorted by cheapest return flights first.
Deals found on 11/11
Showing 1-10 of 15 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 7 November 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 ₹ 65,004). Flying from Kolkata to Seattle in August is currently the most expensive (average of ₹ 124,777). 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 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 29m.
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 29m.
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 11 November 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.
Overall it was wonderfull for the amount I paid for.
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 ₹ 89,429 on this airline. Additional options worth looking into are Qatar Airways and Emirates, starting at ₹ 111,684 and ₹ 118,370 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 ₹ 65,004). Flying from Kolkata to Seattle in August is currently the most expensive (average of ₹ 124,777). 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.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 November 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 11 November 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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