$639+ Cheap flights from Kolkata (CCU) to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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Find cheap flights from Kolkata to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kolkata to Seattle
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Best
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Cheapest flights from Kolkata to SeattleExplore 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 September 20, 2026.
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 September 20, 2026.
This Goibibo deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:40 am -
1 stop21h 15m
Tue 10/2010:33 am -
2 stops27h 07m
Deal found 9/18![Qatar Airways logo]()
$956
This Goibibo deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:00 am -
2 stops41h 00m
Mon 10/54:25 pm -
1 stop21h 15m
Deal found 9/18![Qatar Airways logo]()
$962
This Qatar Airways deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:00 am -
2 stops41h 00m
Sat 10/34:25 pm -
1 stop21h 15m
Deal found 9/18![Multiple Airlines logo]()
$982
This Qatar Airways deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:40 am -
2 stops42h 32m
Wed 10/74:25 pm -
1 stop21h 15m
Deal found 9/18![Multiple Airlines logo]()
$1,013
This Goibibo deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:25 am -
2 stops29h 50m
Wed 11/113:50 pm -
1 stop20h 35m
Deal found 9/18![Qatar Airways logo]()
$1,100
This Qatar Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:40 am -
2 stops29h 18m
Fri 10/234:25 pm -
1 stop21h 15m
Deal found 9/16![Multiple Airlines logo]()
$1,103
This Goibibo deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:00 am -
2 stops41h 00m
Thu 10/14:25 pm -
1 stop21h 15m
Deal found 9/18![Qatar Airways logo]()
$1,112
This Etihad Airways deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:30 pm -
2 stops36h 36m
Mon 10/59:40 pm -
2 stops34h 20m
Deal found 9/18![Multiple Airlines logo]()
$1,119
This Qatar Airways deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:25 am -
1 stop21h 45m
Tue 11/1711:23 am -
2 stops25h 02m
Deal found 9/18![Qatar Airways logo]()
$1,150
Best flights from Kolkata to SeattleDiscover carefully curated flight deals from Kolkata to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Kolkata to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
This Qatar Airways deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:25 am -
1 stop21h 45m
Tue 11/1711:23 am -
2 stops25h 02m
Deal found 9/20![Qatar Airways logo]()
$1,151
This Turkish Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:45 pm -
2 stops59h 55m
Tue 1/267:05 pm -
2 stops30h 45m
Deal found 9/15![Turkish Airlines logo]()
$1,332
This MakeMyTrip deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure MakeMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:15 am -
1 stop40h 50m
Wed 11/184:05 pm -
1 stop37h 15m
Deal found 9/20![Emirates logo]()
$1,389
This Qatar Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:25 am -
1 stop21h 45m
Wed 11/1811:23 am -
2 stops25h 02m
Deal found 9/16![Qatar Airways logo]()
$1,153
This Singapore Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:30 pm -
3 stops58h 20m
Tue 10/209:35 pm -
2 stops36h 30m
Deal found 9/18![Multiple Airlines logo]()
$2,847
This Turkish Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/79:30 pm -
2 stops57h 10m
Fri 1/227:05 pm -
2 stops28h 15m
Deal found 9/15![Turkish Airlines logo]()
$1,504
This Emirates deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/78:25 pm -
1 stop29h 40m
Mon 1/184:05 pm -
1 stop26h 05m
Deal found 9/15![Emirates logo]()
$1,576
This Turkish Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/86:45 pm -
2 stops59h 55m
Sat 1/237:05 pm -
2 stops52h 15m
Deal found 9/15![Turkish Airlines logo]()
$1,504
This Emirates deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/89:15 am -
1 stop40h 50m
Sat 1/234:05 pm -
1 stop26h 05m
Deal found 9/15![Emirates logo]()
$1,792
This Turkish Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/56:45 pm -
2 stops59h 55m
Wed 1/207:05 pm -
2 stops28h 15m
Deal found 9/15![Turkish Airlines logo]()
$1,644
Last-minute flights from Kolkata to SeattleDiscover last-minute flight deals from Kolkata to Seattle. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Kolkata to Seattle. Data last updated September 20, 2026 and is based on user searches.
This Goibibo deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:00 am -
2 stops41h 00m
Thu 10/14:25 pm -
1 stop21h 15m
Deal found 9/18![Qatar Airways logo]()
$1,112
This Etihad Airways deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:30 pm -
2 stops37h 37m
Thu 10/111:57 pm -
2 stops38h 28m
Deal found 9/18![Multiple Airlines logo]()
$1,218
This Qatar Airways deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:00 am -
2 stops41h 00m
Sat 10/34:25 pm -
1 stop21h 15m
Deal found 9/18![Multiple Airlines logo]()
$982
This Goibibo deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:00 am -
2 stops41h 00m
Mon 10/54:25 pm -
1 stop21h 15m
Deal found 9/18![Qatar Airways logo]()
$962
This Etihad Airways deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:30 pm -
2 stops36h 36m
Mon 10/59:40 pm -
2 stops34h 20m
Deal found 9/18![Multiple Airlines logo]()
$1,119
This Qatar Airways deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:40 am -
2 stops42h 32m
Wed 10/74:25 pm -
1 stop21h 15m
Deal found 9/18![Multiple Airlines logo]()
$1,013
This Goibibo deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:40 am -
1 stop21h 15m
Tue 10/2010:33 am -
2 stops27h 07m
Deal found 9/18![Qatar Airways logo]()
$956
This Qatar Airways deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:40 am -
2 stops29h 18m
Fri 10/234:25 pm -
1 stop21h 15m
Deal found 9/16![Multiple Airlines logo]()
$1,103
This Goibibo deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Goibibo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:40 am -
1 stop21h 15m
Sun 10/2511:56 am -
2 stops25h 29m
Deal found 9/18![Qatar Airways logo]()
$1,181
This Air France deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:45 pm -
2 stops29h 00m
Sun 10/253:25 pm -
2 stops27h 40m
Deal found 9/18![Multiple Airlines logo]()
$1,234
This oojo deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/251:55 am -
2 stops29h 45m
Tue 12/111:30 pm -
2 stops27h 15m
Deal found 9/16![Multiple Airlines logo]()
$1,304
One-way flights from Kolkata to SeattleSearch for one-way flight options from Kolkata to Seattle. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Kolkata to Seattle. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Air France deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:15 pm -
2 stops31h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Air France logo]()
$639
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1012:50 am -
2 stops27h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/94:00 pm -
3 stops42h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$689
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/125:25 am -
2 stops39h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$702
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/712:50 am -
2 stops21h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$705
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/135:45 pm -
3 stops40h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$737
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/61:10 am -
3 stops26h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$757
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/61:55 am -
2 stops29h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Thai Airways logo]()
$758
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/109:30 pm -
2 stops57h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Turkish Airlines logo]()
$777
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 September 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $956 (Goibibo) |
One-way from | $639 (Air France) |
Popular in | July |
Cheapest in | January |
Average price | $1,413 |
Cheapflights Fare Finder
Customize 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 7,457,451 searches. Data last updated September 20, 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
Cheapest round-trip
KolkataSeattle
CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl
CCUSEA
Kolkata Netaji S. Chandra
Wed 11/4
8:15 pm-1:50 pm
2 stops31h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$639
Quickest round-trip
KolkataSeattle
CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl
CCUSEA
Kolkata Netaji S. Chandra
Tue 11/3
3:25 am-11:40 am
1 stop21h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$891
KolkataSeattle
CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl
CCUSEA
Kolkata Netaji S. Chandra
Mon 2/8
9:15 am-12:35 pm
1 stop40h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$899
KolkataSeattle
CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl
CCUSEA
Kolkata Netaji S. Chandra
Sun 2/7
8:25 pm-12:35 pm
1 stop29h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$924
KolkataSeattle
CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl
CCUSEA
Kolkata Netaji S. Chandra
Sat 2/13
8:25 pm-12:35 pm
1 stop29h 40m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$924
KolkataSeattle
CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl
CCUSEA
Kolkata Netaji S. Chandra
Fri 2/12
9:15 am-12:35 pm
1 stop40h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$924
KolkataSeattle
CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl
CCUSEA
Kolkata Netaji S. Chandra
Wed 11/4
8:55 pm-8:47 pm
3 stops37h 22m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:30 pm
Nonstop0h 00m
$1,007
KolkataSeattle
CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl
CCUSEA
Kolkata Netaji S. Chandra
Mon 11/9
3:25 am-11:40 am
1 stop21h 45m
Seattle/Tacoma Intl
Tue 11/17
11:23 am-1:55 am
2 stops25h 02m
$1,151
KolkataSeattle
CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl
CCUSEA
Kolkata Netaji S. Chandra
Mon 11/9
3:25 am-11:40 am
1 stop21h 45m
Seattle/Tacoma Intl
Wed 11/18
11:23 am-1:55 am
2 stops25h 02m
$1,153
KolkataSeattle
CCU Kolkata Netaji S. Chandra - SEA Seattle/Tacoma Intl
CCUSEA
Kolkata Netaji S. Chandra
Tue 1/12
6:45 pm-5:10 pm
2 stops59h 55m
Seattle/Tacoma Intl
Tue 1/26
7:05 pm-3:20 pm
2 stops30h 45m
$1,332
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Kolkata to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kolkata to Seattle in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Kolkata-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kolkata-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kolkata-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kolkata-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kolkata-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
CCU-SEA
Estimated round-trip 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, January is the cheapest month in which you can book a flight from Kolkata to Seattle (average of $1,037). Flying from Kolkata to Seattle in July is currently the most expensive (average of $1,745). 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 to fly round-trip from Kolkata to Seattle?
Airfare is below average for this route at the moment.
Kolkata to Seattle flights typically cost between $1,395 and $1,512 in October.The cheapest round-trip price found within the last 5 days was $956 on Qatar Airways (Oct 12-Oct 20).
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 September 20, 2026.
Peruse reviews from past customers who have flown with Singapore Airlines and Qatar Airways from Kolkata to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.8
Crew
8.6
Overall
8.2
Boarding
8.3
Entertainment
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Sep 2026
SIN - SEA
Comfort
8.0
Food
7.8
Crew
8.6
Overall
8.2
Boarding
8.3
Entertainment
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Sep 2026
SIN - SEA
Comfort
8.0
Food
7.8
Crew
8.6
Overall
8.2
Boarding
8.3
Entertainment
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Sep 2026
SIN - SEA
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$974 | Average$1,248 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,232 | Average$1,357 | FlexibilityNo cancel fee | On-time68% |