$452+ Cheap flights from Seattle (SEA) to Kolkata (CCU)
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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CCU
May 11 — May 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
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 April 11, 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 April 11, 2026.
This Indian Eagle deal was found by Cheapflights users on 4/6. 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.
Sat 9/1210:15 am
SEA
- CCU
1 stop23h 30m
Singapore Airlines
Sat 9/1911:40 pm
CCU
- SEA
1 stop21h 35m
Singapore Airlines
Deal found 4/6![Singapore Airlines logo]()
$761
This Indian Eagle deal was found by Cheapflights users on 4/6. 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.
Sat 9/1211:15 pm
SEA
- CCU
2 stops30h 50m
Multiple Airlines
Sat 9/193:10 pm
CCU
- SEA
2 stops33h 27m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,033
This Air France deal was found by Cheapflights users on 4/7. 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.
Thu 8/131:30 pm
SEA
- CCU
2 stops27h 00m
Multiple Airlines
Wed 9/169:40 pm
CCU
- SEA
2 stops31h 25m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$1,045
This Indian Eagle deal was found by Cheapflights users on 4/7. 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.
Thu 8/134:25 pm
SEA
- CCU
1 stop21h 35m
Qatar Airways
Wed 9/164:00 am
CCU
- SEA
1 stop20h 55m
Qatar Airways
Deal found 4/7![Qatar Airways logo]()
$1,086
This oojo deal was found by Cheapflights users on 4/10. 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 11/178:45 am
SEA
- CCU
1 stop24h 10m
Singapore Airlines
Sat 12/511:40 pm
CCU
- SEA
1 stop21h 00m
Singapore Airlines
Deal found 4/10![Singapore Airlines logo]()
$1,137
This Indian Eagle deal was found by Cheapflights users on 4/10. 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.
Wed 10/74:25 pm
SEA
- CCU
1 stop21h 35m
Qatar Airways
Sun 10/253:25 am
CCU
- SEA
1 stop21h 45m
Qatar Airways
Deal found 4/10![Qatar Airways logo]()
$1,157
This FlightHub deal was found by Cheapflights users on 4/8. 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.
Fri 11/207:00 pm
SEA
- CCU
2 stops31h 15m
Turkish Airlines
Sun 12/208:45 pm
CCU
- SEA
2 stops33h 50m
Turkish Airlines
Deal found 4/8![Turkish Airlines logo]()
$1,172
This oojo deal was found by Cheapflights users on 4/10. 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.
Thu 10/810:15 am
SEA
- CCU
1 stop23h 30m
Singapore Airlines
Sun 10/2511:40 pm
CCU
- SEA
1 stop45h 00m
Singapore Airlines
Deal found 4/10![Singapore Airlines logo]()
$1,174
This Indian Eagle deal was found by Cheapflights users on 4/8. 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 11/1712:58 am
SEA
- CCU
2 stops32h 47m
Multiple Airlines
Thu 1/149:00 pm
CCU
- SEA
2 stops52h 00m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,195
This KAYAK deal was found by Cheapflights users on 4/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:55 pm
SEA
- CCU
2 stops32h 05m
Etihad Airways
Fri 10/239:30 pm
CCU
- SEA
2 stops36h 15m
Etihad Airways
Deal found 4/10![Etihad Airways logo]()
$1,196
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 April 11, 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 April 11, 2026.
This Qatar Airways deal was found by Cheapflights users on 4/9. 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 5/710:00 am
SEA
- CCU
2 stops28h 00m
Multiple Airlines
Sun 5/244:00 am
CCU
- SEA
1 stop46h 35m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$1,357
This Qatar Airways deal was found by Cheapflights users on 4/11. 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 7/54:25 pm
SEA
- CCU
1 stop21h 35m
Qatar Airways
Fri 7/244:00 am
CCU
- SEA
1 stop20h 55m
Qatar Airways
Deal found 4/11![Qatar Airways logo]()
$1,645
This Emirates deal was found by Cheapflights users on 4/7. 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.
Wed 5/205:15 pm
SEA
- CCU
1 stop26h 25m
Emirates
Mon 6/19:50 am
CCU
- SEA
2 stops49h 19m
Emirates
Deal found 4/7![Emirates logo]()
$1,909
This Turkish Airlines deal was found by Cheapflights users on 4/10. 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 6/197:10 pm
SEA
- CCU
2 stops31h 50m
Turkish Airlines
Sat 7/49:40 pm
CCU
- SEA
2 stops49h 30m
Turkish Airlines
Deal found 4/10![Turkish Airlines logo]()
$1,981
This Indian Eagle deal was found by Cheapflights users on 4/6. 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 4/269:41 pm
SEA
- CCU
2 stops40h 19m
Multiple Airlines
Sun 5/106:30 pm
CCU
- SEA
2 stops32h 05m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,397
This Etihad Airways deal was found by Cheapflights users on 4/9. 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 6/1711:44 pm
SEA
- CCU
2 stops38h 46m
Multiple Airlines
Fri 7/104:10 am
CCU
- SEA
2 stops31h 55m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$1,552
This FlightHub deal was found by Cheapflights users on 4/10. 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.
Fri 6/197:03 am
SEA
- CCU
2 stops30h 57m
Qatar Airways
Sat 7/44:00 am
CCU
- SEA
1 stop20h 55m
Qatar Airways
Deal found 4/10![Qatar Airways logo]()
$1,928
This Emirates deal was found by Cheapflights users on 4/8. 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 6/55:15 pm
SEA
- CCU
1 stop26h 25m
Emirates
Mon 7/69:50 am
CCU
- SEA
2 stops49h 16m
Emirates
Deal found 4/8![Emirates logo]()
$1,959
This FlightHub deal was found by Cheapflights users on 4/11. 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.
Sun 6/214:25 pm
SEA
- CCU
2 stops33h 30m
Multiple Airlines
Mon 7/2010:30 am
CCU
- SEA
2 stops38h 25m
Multiple Airlines
Deal found 4/11![Multiple Airlines logo]()
$1,810
Last-minute flights from Seattle to KolkataDiscover last-minute flight deals from Seattle to Kolkata. Data last updated April 11, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Kolkata. Data last updated April 11, 2026 and is based on user searches.
This flugladen.de deal was found by Cheapflights users on 4/10. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:25 pm
SEA
- CCU
2 stops36h 50m
Multiple Airlines
Tue 5/54:00 am
CCU
- SEA
1 stop46h 35m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$1,332
This Expedia deal was found by Cheapflights users on 4/7. 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.
Mon 4/205:00 pm
SEA
- CCU
2 stops69h 00m
Qatar Airways
Tue 5/54:00 am
CCU
- SEA
1 stop46h 35m
Qatar Airways
Deal found 4/7![Qatar Airways logo]()
$1,372
This flugladen.de deal was found by Cheapflights users on 4/10. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:15 pm
SEA
- CCU
1 stop26h 25m
Emirates
Tue 5/59:50 am
CCU
- SEA
1 stop40h 05m
Emirates
Deal found 4/10![Emirates logo]()
$2,132
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 April 11, 2026.
Search for one-way flight options from Seattle to Kolkata. Find affordable one-way fares based on user searches. Data last updated April 11, 2026.
This Singapore Airlines deal was found by Cheapflights users on 4/8. 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.
Thu 9/1010:15 am
SEA
- CCU
1 stop23h 50m
Singapore Airlines
Deal found 4/8![Singapore Airlines logo]()
$452
This Indian Eagle deal was found by Cheapflights users on 4/8. 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 9/612:15 am
SEA
- CCU
2 stops31h 35m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$482
This Indian Eagle deal was found by Cheapflights users on 4/8. 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.
Wed 9/911:15 pm
SEA
- CCU
2 stops29h 10m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$495
This Indian Eagle deal was found by Cheapflights users on 4/8. 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 9/611:15 pm
SEA
- CCU
2 stops29h 10m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$506
This Indian Eagle deal was found by Cheapflights users on 4/8. 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.
Sat 9/511:15 pm
SEA
- CCU
2 stops29h 10m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$523
This Indian Eagle deal was found by Cheapflights users on 4/8. 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 9/811:15 pm
SEA
- CCU
2 stops29h 10m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$597
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 5/135:59 pm
SEA
- CCU
3 stops46h 31m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$621
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 4/1612:55 am
SEA
- CCU
3 stops34h 45m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$665
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 5/2510:45 am
SEA
- CCU
3 stops44h 00m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$681
This Mytrip deal was found by Cheapflights users on 4/8. 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.
Thu 5/288:00 am
SEA
- CCU
2 stops29h 15m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$691
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 April 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $761 (Indian Eagle) |
One-way from | $621 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $980 |
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 2,558,603 searches. Data last updated April 11, 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 - CCU
SEACCU
Seattle/Tacoma Intl
Thu 5/7
10:00 am-2:30 am
2 stops28h 00m
Kolkata Netaji S. Chandra
Sun 5/24
4:00 am-2:05 pm
1 stop46h 35m
$1,357
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Sun 4/26
9:41 pm-2:30 am
2 stops40h 19m
Kolkata Netaji S. Chandra
Sun 5/10
6:30 pm-2:05 pm
2 stops32h 05m
$1,397
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Wed 6/17
11:44 pm-3:00 am
2 stops38h 46m
Kolkata Netaji S. Chandra
Fri 7/10
4:10 am-11:35 pm
2 stops31h 55m
$1,552
Quickest round-trip
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Sun 7/5
4:25 pm-2:30 am
1 stop21h 35m
Kolkata Netaji S. Chandra
Fri 7/24
4:00 am-12:25 pm
1 stop20h 55m
$1,645
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Sun 6/21
4:25 pm-2:25 pm
2 stops33h 30m
Kolkata Netaji S. Chandra
Mon 7/20
10:30 am-12:25 pm
2 stops38h 25m
$1,810
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Wed 5/20
5:15 pm-8:10 am
1 stop26h 25m
Kolkata Netaji S. Chandra
Mon 6/1
9:50 am-10:39 pm
2 stops49h 19m
$1,909
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Fri 6/19
7:03 am-2:30 am
2 stops30h 57m
Kolkata Netaji S. Chandra
Sat 7/4
4:00 am-12:25 pm
1 stop20h 55m
$1,928
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Fri 6/5
5:15 pm-8:10 am
1 stop26h 25m
Kolkata Netaji S. Chandra
Mon 7/6
9:50 am-10:36 pm
2 stops49h 16m
$1,959
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Fri 6/19
7:10 pm-3:30 pm
2 stops31h 50m
Kolkata Netaji S. Chandra
Sat 7/4
9:40 pm-10:40 am
2 stops49h 30m
$1,981
Cheapest one-way
Quickest one-way
SeattleKolkata
SEA - CCU
SEACCU
Seattle/Tacoma Intl
Thu 9/10
10:15 am-10:35 pm
1 stop23h 50m
$452
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 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?
Use this chart to determine the optimal time to book a round-trip flight from Seattle to Kolkata. Price data was last updated on April 10, 2026.
The best time to book flights from Seattle to Kolkata is 68 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, September is the cheapest month in which you can book a flight from Seattle to Kolkata (average of $478). Flying from Seattle to Kolkata in December is currently the most expensive (average of $975). 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?
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 April 11, 2026.
Read through reviews of airlines operating flights from Seattle to Kolkata, such as Singapore Airlines,Emirates, andQatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.3
Comfort
8.0
Entertainment
8.0
Overall
8.2
Crew
8.6
Food
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Feb 2026
SAI - SIN
Boarding
8.3
Comfort
8.0
Entertainment
8.0
Overall
8.2
Crew
8.6
Food
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Feb 2026
SAI - SIN
Boarding
8.3
Comfort
8.0
Entertainment
8.0
Overall
8.2
Crew
8.6
Food
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Feb 2026
SAI - SIN
Boarding
8.3
Comfort
8.0
Entertainment
8.0
Overall
8.2
Crew
8.6
Food
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Feb 2026
SAI - SIN
Boarding
8.3
Comfort
8.0
Entertainment
8.0
Overall
8.2
Crew
8.6
Food
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Feb 2026
SAI - 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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Kolkata flight routes
Other flight options
Other flights from Seattle
Popular flights
Alternative routes for Seattle to Kolkata
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Kolkata by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Kolkata by cabin class
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 April 11, 2026.
Seattle and Kolkata flights
Browse other Seattle and Kolkata flight options. Last updated on April 11, 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 April 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Seattle to Kolkata
Discover the top 4 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 2,558,603 searches. Data last updated April 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$698 | Average$1,084 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,008 | Average$1,183 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,155 | Average$1,451 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,768 | Average$3,363 | FlexibilityNo cancel fee | On-time75% |