$385+ Cheap flights from Seattle (SEA) to Kolkata (CCU)
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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CCU
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Kolkata 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 Seattle to Kolkata
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Best
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Cheapest flights from Seattle to KolkataExplore the most affordable flight options available from Seattle to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
Explore the most affordable flight options available from Seattle to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
This Indian Eagle deal was found by Cheapflights users on 9/1. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:42 pm -
2 stops32h 18m
Fri 10/23:50 am -
2 stops31h 17m
Deal found 9/1![Etihad Airways logo]()
$1,026
This Indian Eagle deal was found by Cheapflights users on 9/1. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:42 pm -
2 stops32h 18m
Mon 10/59:30 pm -
2 stops35h 45m
Deal found 9/1![Etihad Airways logo]()
$1,063
This Etihad Airways deal was found by Cheapflights users on 9/1. 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.
Sat 9/129:40 pm -
2 stops40h 45m
Fri 10/23:50 am -
2 stops30h 16m
Deal found 9/1![Multiple Airlines logo]()
$1,080
This EVA Air deal was found by Cheapflights users on 9/4. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3012:10 am -
2 stops31h 35m
Sat 1/167:05 pm -
2 stops60h 35m
Deal found 9/4![Multiple Airlines logo]()
$1,103
This Expedia deal was found by Cheapflights users on 9/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2412:10 am -
2 stops26h 35m
Sat 12/1210:00 pm -
2 stops57h 40m
Deal found 9/1![Multiple Airlines logo]()
$1,183
This oojo deal was found by Cheapflights users on 8/30. 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.
Wed 11/118:40 am -
1 stop24h 20m
Sun 11/2911:40 pm -
1 stop68h 55m
Deal found 8/30![Singapore Airlines logo]()
$1,197
This MakeMyTrip deal was found by Cheapflights users on 8/30. 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.
Wed 11/117:05 pm -
2 stops30h 45m
Sun 11/298:15 pm -
2 stops34h 25m
Deal found 8/30![Turkish Airlines logo]()
$1,217
This Turkish Airlines deal was found by Cheapflights users on 9/1. 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 11/267:05 pm -
2 stops28h 15m
Thu 12/106:45 pm -
2 stops35h 55m
Deal found 9/1![Turkish Airlines logo]()
$1,218
This Expedia deal was found by Cheapflights users on 9/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:10 am -
2 stops26h 35m
Fri 12/41:30 pm -
2 stops41h 30m
Deal found 9/3![Multiple Airlines logo]()
$1,222
This Mytrip deal was found by Cheapflights users on 9/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:25 pm -
3 stops33h 15m
Mon 10/59:40 pm -
2 stops23h 50m
Deal found 9/1![Multiple Airlines logo]()
$1,241
This Mytrip deal was found by Cheapflights users on 9/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:25 pm -
3 stops29h 30m
Sat 10/310:45 am -
3 stops34h 30m
Deal found 9/1![Multiple Airlines logo]()
$1,245
This Turkish Airlines deal was found by Cheapflights users on 9/3. 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 12/317:05 pm -
2 stops28h 15m
Sun 1/318:15 pm -
2 stops34h 25m
Deal found 9/3![Turkish Airlines logo]()
$1,248
Best flights from Seattle to KolkataDiscover carefully curated flight deals from Seattle to Kolkata that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from Seattle to Kolkata that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This Etihad Airways deal was found by Cheapflights users on 9/1. 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.
Sat 9/129:40 pm -
2 stops40h 45m
Fri 10/23:50 am -
2 stops30h 16m
Deal found 9/1![Multiple Airlines logo]()
$1,080
This oojo deal was found by Cheapflights users on 9/1. 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.
Wed 11/258:40 am -
1 stop24h 20m
Sat 12/1211:40 pm -
1 stop68h 55m
Deal found 9/1![Singapore Airlines logo]()
$1,197
This KLM deal was found by Cheapflights users on 8/31. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:45 pm -
2 stops52h 10m
Sun 12/209:05 pm -
2 stops28h 15m
Deal found 8/31![KLM logo]()
$1,399
This EVA Air deal was found by Cheapflights users on 9/4. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3012:10 am -
2 stops31h 35m
Sat 1/167:05 pm -
2 stops60h 35m
Deal found 9/4![Multiple Airlines logo]()
$1,103
This oojo deal was found by Cheapflights users on 9/1. 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.
Fri 11/208:40 am -
1 stop72h 15m
Fri 12/2511:40 pm -
1 stop20h 55m
Deal found 9/1![Singapore Airlines logo]()
$1,338
This EVA Air deal was found by Cheapflights users on 8/31. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:10 am -
2 stops26h 35m
Fri 12/259:55 am -
2 stops45h 45m
Deal found 8/31![Multiple Airlines logo]()
$1,404
Last-minute flights from Seattle to KolkataDiscover last-minute flight deals from Seattle to Kolkata. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Kolkata. Data last updated September 4, 2026 and is based on user searches.
This Etihad Airways deal was found by Cheapflights users on 9/1. 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.
Sat 9/129:40 pm -
2 stops40h 45m
Fri 10/23:50 am -
2 stops30h 16m
Deal found 9/1![Multiple Airlines logo]()
$1,080
This Indian Eagle deal was found by Cheapflights users on 9/1. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:42 pm -
2 stops32h 18m
Fri 10/23:50 am -
2 stops31h 17m
Deal found 9/1![Etihad Airways logo]()
$1,026
This Indian Eagle deal was found by Cheapflights users on 9/1. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:42 pm -
2 stops32h 18m
Mon 10/59:30 pm -
2 stops35h 45m
Deal found 9/1![Etihad Airways logo]()
$1,063
This Mytrip deal was found by Cheapflights users on 9/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:25 pm -
3 stops33h 15m
Mon 10/59:40 pm -
2 stops23h 50m
Deal found 9/1![Multiple Airlines logo]()
$1,241
This Mytrip deal was found by Cheapflights users on 9/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:25 pm -
3 stops29h 30m
Sat 10/32:00 pm -
2 stops31h 15m
Deal found 9/1![Multiple Airlines logo]()
$1,256
This MakeMyTrip deal was found by Cheapflights users on 9/1. 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.
Mon 9/144:25 pm -
1 stop21h 35m
Sun 10/43:40 am -
1 stop21h 15m
Deal found 9/1![Qatar Airways logo]()
$1,298
This FlightHub deal was found by Cheapflights users on 9/1. 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.
Tue 9/291:30 am -
2 stops34h 45m
Tue 10/62:00 am -
2 stops29h 50m
Deal found 9/1![Multiple Airlines logo]()
$1,269
This MakeMyTrip deal was found by Cheapflights users on 8/30. 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 10/131:30 am -
2 stops34h 45m
Tue 10/202:00 am -
2 stops29h 50m
Deal found 8/30![Multiple Airlines logo]()
$1,284
One-way flights from Seattle to KolkataSearch for one-way flight options from Seattle to Kolkata. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from Seattle to Kolkata. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This oojo deal was found by Cheapflights users on 9/1. 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.
Tue 1/58:40 am -
1 stop24h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Singapore Airlines logo]()
$385
This FlightHub deal was found by Cheapflights users on 9/2. 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 9/911:15 pm -
2 stops32h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$551
This Indian Eagle deal was found by Cheapflights users on 9/1. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:18 pm -
2 stops32h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$564
This Trip.com deal was found by Cheapflights users on 9/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:10 am -
2 stops36h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$565
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/218:00 pm -
3 stops39h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$568
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 10/148:00 pm -
3 stops39h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$574
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Thu 10/158:00 pm -
3 stops39h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$590
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Mon 10/121:15 am -
2 stops34h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$611
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Mon 10/124:30 pm -
2 stops42h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$612
Find flight deals from Seattle to Kolkata
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Kolkata (CCU). 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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $889 (oojo) |
One-way from | $551 (FlightHub) |
Popular in | December |
Cheapest in | March |
Average price | $1,200 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Kolkata 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 4, 2026.
Use the filters below to find and compare flights from Seattle to Kolkata that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Wed 9/9
4:25 pm-2:10 pm
3 stops33h 15m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$566
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Sun 10/25
12:10 am-6:55 am
2 stops42h 15m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$613
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Sat 10/17
1:15 am-12:10 am
3 stops34h 25m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$654
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Sun 10/25
4:40 pm-2:20 pm
3 stops33h 10m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$730
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Mon 10/26
8:05 pm-12:50 pm
2 stops28h 15m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$757
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Sat 10/24
8:05 pm-12:50 pm
2 stops28h 15m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$762
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Fri 10/23
5:45 pm-10:20 am
2 stops52h 05m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$779
Quickest round-trip
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Thu 10/29
4:50 pm-1:55 am
1 stop20h 35m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$1,004
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Sun 10/18
5:15 pm-8:10 am
1 stop26h 25m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$1,058
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Sun 10/25
4:50 pm-1:55 am
1 stop20h 35m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$1,062
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Seattle to Kolkata
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 Seattle to Kolkata in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Seattle-Kolkata flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Kolkata flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Kolkata flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Kolkata 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 Seattle-Kolkata 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 Seattle to Kolkata
Have a flexible travel schedule? Discover the best time to fly to Kolkata from Seattle with our price prediction graph.
SEA-CCU
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 Seattle to Kolkata
How far ahead should I book a flight from Seattle to Kolkata?
The best time to book flights from Seattle to Kolkata is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Seattle to Kolkata?
Currently, March is the cheapest month in which you can book a flight from Seattle to Kolkata (average of $922). Flying from Seattle to Kolkata in December is currently the most expensive (average of $1,721). 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 Seattle to Kolkata?
Airfare is below average for this route at the moment.
Seattle to Kolkata flights typically cost between $1,074 and $1,521 in January.The cheapest round-trip price found within the last 5 days was $889 on Singapore Airlines (Jan 5-Feb 9).
Reviews of airlines servicing Kolkata
Get insights into the airlines that provide service to Kolkata. 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 Kolkata. Reviews last updated September 4, 2026.
Read through reviews of airlines operating flights from Seattle to Kolkata, such as Singapore Airlines and Qatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.3
Food
7.8
Entertainment
8.1
Crew
8.6
Overall
8.2
Comfort
8.0
Reviews
1 / 20
2.0
MediocreKetan,Nov 2024
SIN - AMD
Boarding
8.3
Food
7.8
Entertainment
8.1
Crew
8.6
Overall
8.2
Comfort
8.0
Reviews
1 / 20
2.0
MediocreKetan,Nov 2024
SIN - AMD
Boarding
8.3
Food
7.8
Entertainment
8.1
Crew
8.6
Overall
8.2
Comfort
8.0
Reviews
1 / 20
2.0
MediocreKetan,Nov 2024
SIN - AMD
Related info for your journey
Find useful and relevant information for your journey from Seattle to Kolkata. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Find flights from Seattle to Kolkata, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Kolkata
Explore flights to Kolkata departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
Seattle and Kolkata flights
Browse other Seattle and Kolkata flight options. Last updated on September 4, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on September 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Seattle to Kolkata
Discover the top 2 airlines that operate flights from Seattle to Kolkata. 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 7,457,451 searches. Data last updated September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$742 | Average$1,164 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,072 | Average$1,183 | FlexibilityNo cancel fee | On-time68% |