$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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CCU
Nov 19 — Nov 261
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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One-way
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 October 20, 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 October 20, 2026.
This oojo deal was found by Cheapflights users on 10/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:28 am -
2 stops42h 57m
Mon 11/1610:20 am -
3 stops43h 35m
Deal found 10/15![Air India logo]()
$1,128
This Trip.com deal was found by Cheapflights users on 10/17. 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.
Sun 11/19:30 pm -
2 stops29h 15m
Sun 12/61:55 am -
2 stops30h 20m
Deal found 10/17![Multiple Airlines logo]()
$1,186
This Trip.com deal was found by Cheapflights users on 10/19. 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.
Sun 11/19:30 pm -
2 stops36h 50m
Wed 11/1112:30 am -
2 stops31h 45m
Deal found 10/19![Multiple Airlines logo]()
$1,190
This Trip.com deal was found by Cheapflights users on 10/19. 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.
Sun 11/19:30 pm -
2 stops36h 50m
Mon 11/912:30 am -
2 stops55h 45m
Deal found 10/19![Multiple Airlines logo]()
$1,195
This Trip.com deal was found by Cheapflights users on 10/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:30 pm -
3 stops47h 50m
Mon 11/1610:20 am -
3 stops40h 30m
Deal found 10/15![Multiple Airlines logo]()
$1,209
This Trip.com deal was found by Cheapflights users on 10/19. 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.
Sun 11/19:30 pm -
2 stops36h 50m
Thu 11/1212:30 am -
2 stops31h 45m
Deal found 10/19![Multiple Airlines logo]()
$1,241
This KLM deal was found by Cheapflights users on 10/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:45 pm -
2 stops30h 00m
Tue 11/36:45 pm -
2 stops30h 32m
Deal found 10/15![KLM logo]()
$1,259
This Indian Eagle deal was found by Cheapflights users on 10/17. 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.
Tue 11/311:30 pm -
2 stops27h 15m
Mon 12/71:55 am -
2 stops29h 05m
Deal found 10/17![Multiple Airlines logo]()
$1,284
This KLM deal was found by Cheapflights users on 10/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:45 pm -
2 stops30h 55m
Tue 11/39:05 pm -
2 stops28h 12m
Deal found 10/16![KLM logo]()
$1,309
This KLM deal was found by Cheapflights users on 10/17. 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.
Thu 10/221:45 pm -
2 stops30h 00m
Tue 11/310:25 pm -
2 stops30h 19m
Deal found 10/17![Multiple Airlines logo]()
$1,310
This Indian Eagle deal was found by Cheapflights users on 10/17. 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.
Tue 11/312:10 am -
2 stops26h 35m
Tue 12/81:55 am -
2 stops29h 45m
Deal found 10/17![Multiple Airlines logo]()
$1,312
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 October 20, 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 October 20, 2026.
This Turkish Airlines deal was found by Cheapflights users on 10/17. 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.
Mon 2/17:05 pm -
2 stops28h 05m
Tue 3/29:30 pm -
2 stops33h 10m
Deal found 10/17![Turkish Airlines logo]()
$1,312
This Singapore Airlines deal was found by Cheapflights users on 10/15. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/209:25 pm -
2 stops35h 35m
Mon 2/811:20 pm -
3 stops34h 41m
Deal found 10/15![Multiple Airlines logo]()
$1,396
This Qatar Airways deal was found by Cheapflights users on 10/17. 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 12/273:50 pm -
1 stop20h 35m
Tue 1/193:25 am -
1 stop21h 45m
Deal found 10/17![Qatar Airways logo]()
$2,173
This EVA Air deal was found by Cheapflights users on 10/17. 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 12/312:10 am -
2 stops48h 10m
Thu 12/1010:25 pm -
2 stops56h 35m
Deal found 10/17![Multiple Airlines logo]()
$1,476
This Turkish Airlines deal was found by Cheapflights users on 10/15. 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 10/308:05 pm -
2 stops55h 05m
Fri 11/139:30 pm -
2 stops33h 10m
Deal found 10/15![Turkish Airlines logo]()
$1,593
This EVA Air deal was found by Cheapflights users on 10/17. 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
Sat 12/261:00 pm -
2 stops42h 40m
Deal found 10/17![Multiple Airlines logo]()
$1,653
This Turkish Airlines deal was found by Cheapflights users on 10/15. 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 10/298:05 pm -
2 stops52h 15m
Sun 11/1510:25 pm -
2 stops32h 15m
Deal found 10/15![Turkish Airlines logo]()
$1,839
This Turkish Airlines deal was found by Cheapflights users on 10/17. 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 12/297:05 pm -
2 stops31h 05m
Thu 1/78:15 pm -
2 stops34h 25m
Deal found 10/17![Turkish Airlines logo]()
$2,078
This Turkish Airlines deal was found by Cheapflights users on 10/18. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:05 pm -
2 stops28h 15m
Mon 1/116:55 pm -
2 stops59h 45m
Deal found 10/18![Turkish Airlines logo]()
$2,377
This Turkish Airlines deal was found by Cheapflights users on 10/15. 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 12/187:05 pm -
2 stops55h 05m
Tue 1/129:30 pm -
2 stops57h 10m
Deal found 10/15![Turkish Airlines logo]()
$2,496
Last-minute flights from Seattle to KolkataDiscover last-minute flight deals from Seattle to Kolkata. Data last updated October 20, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Kolkata. Data last updated October 20, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 10/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:28 am -
2 stops42h 57m
Mon 11/1610:20 am -
3 stops43h 35m
Deal found 10/15![Air India logo]()
$1,128
This Trip.com deal was found by Cheapflights users on 10/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:30 pm -
3 stops47h 50m
Mon 11/1610:20 am -
3 stops40h 30m
Deal found 10/15![Multiple Airlines logo]()
$1,209
This KLM deal was found by Cheapflights users on 10/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:45 pm -
2 stops30h 55m
Tue 11/39:05 pm -
2 stops28h 12m
Deal found 10/16![KLM logo]()
$1,309
This KLM deal was found by Cheapflights users on 10/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:45 pm -
2 stops30h 00m
Tue 11/36:45 pm -
2 stops30h 32m
Deal found 10/15![KLM logo]()
$1,259
This KLM deal was found by Cheapflights users on 10/17. 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.
Thu 10/221:45 pm -
2 stops30h 00m
Tue 11/310:25 pm -
2 stops30h 19m
Deal found 10/17![Multiple Airlines logo]()
$1,310
This Trip.com deal was found by Cheapflights users on 10/17. 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.
Sun 11/19:30 pm -
2 stops29h 15m
Sun 12/61:55 am -
2 stops30h 20m
Deal found 10/17![Multiple Airlines logo]()
$1,186
This Trip.com deal was found by Cheapflights users on 10/19. 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.
Sun 11/19:30 pm -
2 stops36h 50m
Wed 11/1112:30 am -
2 stops31h 45m
Deal found 10/19![Multiple Airlines logo]()
$1,190
This Trip.com deal was found by Cheapflights users on 10/19. 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.
Sun 11/19:30 pm -
2 stops36h 50m
Mon 11/912:30 am -
2 stops55h 45m
Deal found 10/19![Multiple Airlines logo]()
$1,195
This Trip.com deal was found by Cheapflights users on 10/19. 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.
Sun 11/19:30 pm -
2 stops36h 50m
Thu 11/1212:30 am -
2 stops31h 45m
Deal found 10/19![Multiple Airlines logo]()
$1,241
This Indian Eagle deal was found by Cheapflights users on 10/17. 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.
Tue 11/311:30 pm -
2 stops27h 15m
Mon 12/71:55 am -
2 stops29h 05m
Deal found 10/17![Multiple Airlines logo]()
$1,284
This Indian Eagle deal was found by Cheapflights users on 10/17. 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.
Tue 11/312:10 am -
2 stops26h 35m
Tue 12/81:55 am -
2 stops29h 45m
Deal found 10/17![Multiple Airlines logo]()
$1,312
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 October 20, 2026.
Search for one-way flight options from Seattle to Kolkata. Find affordable one-way fares based on user searches. Data last updated October 20, 2026.
This oojo deal was found by Cheapflights users on 10/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/128:40 am -
1 stop24h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Singapore Airlines logo]()
$385
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/168:40 am -
1 stop24h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Singapore Airlines logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 1/128:40 am -
2 stops47h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/248:40 am -
2 stops47h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/128:40 am -
1 stop24h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Singapore Airlines logo]()
$505
This FlightHub deal was found by Cheapflights users on 10/15. 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.
Mon 1/1111:00 pm -
2 stops33h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Multiple Airlines logo]()
$537
This FlightHub deal was found by Cheapflights users on 10/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1311:10 pm -
2 stops33h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$552
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/148:40 am -
3 stops27h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$554
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/168:40 am -
3 stops27h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$556
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 October 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $805 (oojo) |
One-way from | $385 (oojo) |
Popular in | December |
Cheapest in | June |
Average price | $1,488 |
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 October 20, 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
Quickest round-trip
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Sun 2/14
8:40 am-10:30 pm
1 stop24h 20m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$385
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Wed 2/24
8:40 am-10:30 pm
1 stop24h 20m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$385
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Wed 2/24
8:40 am-8:50 am
3 stops34h 40m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$586
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Sat 12/26
10:20 am-6:10 am
2 stops30h 20m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$700
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Sun 10/25
4:40 pm-11:55 am
2 stops30h 45m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$744
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Mon 10/26
11:25 am-8:00 am
3 stops32h 05m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$751
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Fri 12/4
3:40 pm-10:20 pm
3 stops41h 10m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$798
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Sun 12/27
7:05 pm-12:50 pm
2 stops28h 15m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$806
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Sat 11/7
4:05 pm-8:45 am
2 stops27h 10m
Kolkata Netaji S. Chandra
Wed 12/31
12:00 am-10:30 am
Nonstop0h 00m
$937
SeattleKolkata
SEA Seattle/Tacoma Intl - CCU Kolkata Netaji S. Chandra
SEACCU
Seattle/Tacoma Intl
Mon 2/1
7:05 pm-12:40 pm
2 stops28h 05m
Kolkata Netaji S. Chandra
Tue 3/2
9:30 pm-5:10 pm
2 stops33h 10m
$1,312
Showing 1-10 of 19 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 October.
| 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, June is the cheapest month in which you can book a flight from Seattle to Kolkata (average of $958). Flying from Seattle to Kolkata in December is currently the most expensive (average of $1,712). 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 $1,203 and $1,494 in February.The cheapest round-trip price found within the last 5 days was $805 on Singapore Airlines (Feb 2-Mar 2).
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 October 20, 2026.
Read through reviews of airlines operating flights from Seattle to Kolkata, such as Singapore Airlines,Turkish Airlines, andQatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.2
Boarding
8.3
Crew
8.6
Food
7.8
Comfort
8.0
Entertainment
8.1
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
Overall
8.2
Boarding
8.3
Crew
8.6
Food
7.8
Comfort
8.0
Entertainment
8.1
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
Overall
8.2
Boarding
8.3
Crew
8.6
Food
7.8
Comfort
8.0
Entertainment
8.1
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
Overall
8.2
Boarding
8.3
Crew
8.6
Food
7.8
Comfort
8.0
Entertainment
8.1
Reviews
1 / 20
10.0
ExcellentJudith,Sep 2026
SFO - SIN
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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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 October 20, 2026.
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Top 3 airlines flying from Seattle to Kolkata
Discover the top 3 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 October 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$747 | Average$1,208 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,077 | Average$1,206 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,297 | Average$1,792 | FlexibilityNo cancel fee | On-time77% |