$626+ Cheap flights from Kolkata (CCU) to Seattle (SEA)
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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — SEA
Jul 5 — Jul 121
Round-trip
1 adult, Economy
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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
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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 June 5, 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 June 5, 2026.
This Air France deal was found by Cheapflights users on 6/5. 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.
Sun 6/149:00 pm
CCU
- SEA
2 stops26h 45m
Multiple Airlines
Mon 9/281:50 pm
SEA
- CCU
2 stops32h 15m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,191
This Air France deal was found by Cheapflights users on 6/2. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:00 pm
CCU
- SEA
2 stops26h 45m
Air France
Sat 1/301:40 pm
SEA
- CCU
2 stops28h 35m
Air France
Deal found 6/2![Air France logo]()
$1,193
This FlightHub deal was found by Cheapflights users on 6/2. 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.
Mon 7/133:50 am
CCU
- SEA
2 stops53h 37m
Etihad Airways
Mon 9/1411:55 pm
SEA
- CCU
2 stops32h 05m
Etihad Airways
Deal found 6/2![Etihad Airways logo]()
$1,196
This FlightHub deal was found by Cheapflights users on 6/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/173:50 am
CCU
- SEA
2 stops31h 11m
Etihad Airways
Wed 9/3011:55 pm
SEA
- CCU
2 stops32h 05m
Etihad Airways
Deal found 6/4![Etihad Airways logo]()
$1,200
This Etihad Airways deal was found by Cheapflights users on 6/1. 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.
Mon 7/139:30 pm
CCU
- SEA
2 stops35h 57m
Multiple Airlines
Fri 11/1311:42 am
SEA
- CCU
2 stops25h 28m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$1,218
This KLM deal was found by Cheapflights users on 6/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/148:45 pm
CCU
- SEA
2 stops27h 22m
KLM
Mon 9/281:50 pm
SEA
- CCU
2 stops29h 55m
KLM
Deal found 6/1![KLM logo]()
$1,221
This Gotogate deal was found by Cheapflights users on 6/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/182:00 am
CCU
- SEA
2 stops30h 10m
Multiple Airlines
Sat 11/2811:30 pm
SEA
- CCU
2 stops35h 40m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,224
This Indian Eagle deal was found by Cheapflights users on 6/4. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/242:00 am
CCU
- SEA
2 stops29h 30m
Multiple Airlines
Tue 11/1012:10 am
SEA
- CCU
2 stops35h 00m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,240
This Gurufare deal was found by Cheapflights users on 6/3. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/172:00 am
CCU
- SEA
2 stops30h 20m
Multiple Airlines
Tue 9/291:30 am
SEA
- CCU
2 stops34h 45m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$1,270
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 June 5, 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 June 5, 2026.
This Turkish Airlines deal was found by Cheapflights users on 6/2. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:30 am
CCU
- SEA
2 stops29h 20m
Multiple Airlines
Sun 11/157:05 pm
SEA
- CCU
2 stops32h 15m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$1,440
This Emirates deal was found by Cheapflights users on 6/5. 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 7/159:50 am
CCU
- SEA
1 stop40h 05m
Emirates
Tue 12/14:05 pm
SEA
- CCU
1 stop26h 05m
Emirates
Deal found 6/5![Emirates logo]()
$1,442
This Qatar Airways deal was found by Cheapflights users on 6/4. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:00 am
CCU
- SEA
1 stop20h 55m
Qatar Airways
Sat 11/144:05 pm
SEA
- CCU
1 stop20h 20m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,494
This Etihad Airways deal was found by Cheapflights users on 6/2. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/199:30 pm
CCU
- SEA
2 stops37h 49m
Etihad Airways
Thu 7/911:46 pm
SEA
- CCU
2 stops38h 39m
Etihad Airways
Deal found 6/2![Etihad Airways logo]()
$1,524
This British Airways deal was found by Cheapflights users on 6/3. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:15 pm
CCU
- SEA
2 stops52h 50m
British Airways
Mon 9/281:30 pm
SEA
- CCU
2 stops51h 00m
British Airways
Deal found 6/3![British Airways logo]()
$1,563
This Qatar Airways deal was found by Cheapflights users on 6/1. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/304:00 am
CCU
- SEA
1 stop21h 10m
Qatar Airways
Fri 10/305:05 pm
SEA
- CCU
1 stop20h 20m
Qatar Airways
Deal found 6/1![Qatar Airways logo]()
$1,571
This Emirates deal was found by Cheapflights users on 6/3. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:55 pm
CCU
- SEA
1 stop29h 00m
Emirates
Thu 10/2911:44 am
SEA
- CCU
2 stops31h 26m
Emirates
Deal found 6/3![Emirates logo]()
$1,573
This Qatar Airways deal was found by Cheapflights users on 6/2. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/154:00 am
CCU
- SEA
1 stop22h 05m
Qatar Airways
Sun 7/54:25 pm
SEA
- CCU
1 stop21h 35m
Qatar Airways
Deal found 6/2![Qatar Airways logo]()
$1,579
This Emirates deal was found by Cheapflights users on 6/5. 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 7/29:50 am
CCU
- SEA
1 stop40h 05m
Emirates
Thu 7/2310:29 am
SEA
- CCU
2 stops44h 16m
Emirates
Deal found 6/5![Emirates logo]()
$1,581
This Emirates deal was found by Cheapflights users on 6/3. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:55 pm
CCU
- SEA
1 stop29h 00m
Emirates
Wed 9/3010:55 am
SEA
- CCU
2 stops32h 45m
Emirates
Deal found 6/3![Emirates logo]()
$1,611
This Emirates deal was found by Cheapflights users on 6/2. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:50 am
CCU
- SEA
1 stop40h 05m
Emirates
Wed 7/810:29 am
SEA
- CCU
2 stops44h 16m
Emirates
Deal found 6/2![Emirates logo]()
$1,613
Last-minute flights from Kolkata to SeattleDiscover last-minute flight deals from Kolkata to Seattle. Data last updated June 5, 2026 and is based on user searches.
Discover last-minute flight deals from Kolkata to Seattle. Data last updated June 5, 2026 and is based on user searches.
This Air France deal was found by Cheapflights users on 6/5. 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.
Sun 6/149:00 pm
CCU
- SEA
2 stops26h 45m
Multiple Airlines
Mon 9/281:50 pm
SEA
- CCU
2 stops32h 15m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,191
This KLM deal was found by Cheapflights users on 6/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/148:45 pm
CCU
- SEA
2 stops27h 22m
KLM
Mon 9/281:50 pm
SEA
- CCU
2 stops29h 55m
KLM
Deal found 6/1![KLM logo]()
$1,221
This Gotogate deal was found by Cheapflights users on 6/5. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/182:00 am
CCU
- SEA
2 stops30h 10m
Multiple Airlines
Sat 11/2811:30 pm
SEA
- CCU
2 stops35h 40m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,224
This Indian Eagle deal was found by Cheapflights users on 6/4. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/242:00 am
CCU
- SEA
2 stops29h 30m
Multiple Airlines
Tue 11/1012:10 am
SEA
- CCU
2 stops35h 00m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,240
This Air France deal was found by Cheapflights users on 6/1. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:40 pm
CCU
- SEA
2 stops26h 23m
Multiple Airlines
Tue 11/101:40 pm
SEA
- CCU
2 stops28h 35m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$1,287
This FlightHub deal was found by Cheapflights users on 6/2. 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.
Mon 7/133:50 am
CCU
- SEA
2 stops53h 37m
Etihad Airways
Mon 9/1411:55 pm
SEA
- CCU
2 stops32h 05m
Etihad Airways
Deal found 6/2![Etihad Airways logo]()
$1,196
This Etihad Airways deal was found by Cheapflights users on 6/1. 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.
Mon 7/139:30 pm
CCU
- SEA
2 stops35h 57m
Multiple Airlines
Fri 11/1311:42 am
SEA
- CCU
2 stops25h 28m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$1,218
This FlightHub deal was found by Cheapflights users on 6/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/173:50 am
CCU
- SEA
2 stops31h 11m
Etihad Airways
Wed 9/3011:55 pm
SEA
- CCU
2 stops32h 05m
Etihad Airways
Deal found 6/4![Etihad Airways logo]()
$1,200
This Gurufare deal was found by Cheapflights users on 6/3. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/172:00 am
CCU
- SEA
2 stops30h 20m
Multiple Airlines
Tue 9/291:30 am
SEA
- CCU
2 stops34h 45m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$1,270
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 June 5, 2026.
Search for one-way flight options from Kolkata to Seattle. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/1. 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.
Sat 9/1911:05 pm
CCU
- SEA
3 stops52h 40m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$626
This Kiwi.com deal was found by Cheapflights users on 6/1. 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.
Fri 9/1811:05 pm
CCU
- SEA
3 stops52h 40m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$631
This Air France deal was found by Cheapflights users on 6/1. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:15 pm
CCU
- SEA
2 stops28h 30m
Air France
Deal found 6/1![Air France logo]()
$635
This KLM deal was found by Cheapflights users on 6/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:00 pm
CCU
- SEA
2 stops28h 45m
KLM
Deal found 6/1![KLM logo]()
$636
This Kiwi.com deal was found by Cheapflights users on 6/1. 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.
Sun 9/131:00 am
CCU
- SEA
3 stops50h 45m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$639
This Trip.com deal was found by Cheapflights users on 6/1. 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.
Sun 6/149:15 pm
CCU
- SEA
2 stops26h 15m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$640
This Kiwi.com deal was found by Cheapflights users on 6/1. 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.
Tue 9/1511:05 pm
CCU
- SEA
3 stops52h 40m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$647
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 6/229:15 pm
CCU
- SEA
2 stops26h 15m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$654
This Kiwi.com deal was found by Cheapflights users on 6/1. 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.
Sat 6/139:15 pm
CCU
- SEA
2 stops50h 15m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$657
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 June 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,193 (Air France) |
One-way from | $626 (Kiwi.com) |
Popular in | August |
Cheapest in | April |
Average price | $1,359 |
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 2,558,603 searches. Data last updated June 5, 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 - SEA
CCUSEA
Kolkata Netaji S. Chandra
Wed 8/5
12:30 am-5:20 pm
2 stops29h 20m
Seattle/Tacoma Intl
Sun 11/15
7:05 pm-4:50 pm
2 stops32h 15m
$1,440
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Wed 7/15
9:50 am-1:25 pm
1 stop40h 05m
Seattle/Tacoma Intl
Tue 12/1
4:05 pm-7:40 am
1 stop26h 05m
$1,442
Quickest round-trip
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Sat 8/15
4:00 am-12:25 pm
1 stop20h 55m
Seattle/Tacoma Intl
Sat 11/14
4:05 pm-1:55 am
1 stop20h 20m
$1,494
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Fri 6/19
9:30 pm-10:49 pm
2 stops37h 49m
Seattle/Tacoma Intl
Thu 7/9
11:46 pm-2:55 am
2 stops38h 39m
$1,524
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Thu 9/24
7:15 pm-11:35 am
2 stops52h 50m
Seattle/Tacoma Intl
Mon 9/28
1:30 pm-5:00 am
2 stops51h 00m
$1,563
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Tue 6/30
4:00 am-12:40 pm
1 stop21h 10m
Seattle/Tacoma Intl
Fri 10/30
5:05 pm-1:55 am
1 stop20h 20m
$1,571
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Wed 7/22
8:55 pm-1:25 pm
1 stop29h 00m
Seattle/Tacoma Intl
Thu 10/29
11:44 am-7:40 am
2 stops31h 26m
$1,573
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Mon 6/15
4:00 am-1:35 pm
1 stop22h 05m
Seattle/Tacoma Intl
Sun 7/5
4:25 pm-2:30 am
1 stop21h 35m
$1,579
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Thu 7/2
9:50 am-1:25 pm
1 stop40h 05m
Seattle/Tacoma Intl
Thu 7/23
10:29 am-7:15 pm
2 stops44h 16m
$1,581
KolkataSeattle
CCU - SEA
CCUSEA
Kolkata Netaji S. Chandra
Sat 7/18
8:55 pm-1:25 pm
1 stop29h 00m
Seattle/Tacoma Intl
Wed 9/30
10:55 am-8:10 am
2 stops32h 45m
$1,611
Showing 1-10 of 20 resultsSorted by cheapest first
- 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, April is the cheapest month in which you can book a flight from Kolkata to Seattle (average of $1,011). Flying from Kolkata to Seattle in August is currently the most expensive (average of $1,477). 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?
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 June 5, 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.
Entertainment
8.1
Boarding
8.3
Crew
8.6
Comfort
8.0
Food
7.8
Overall
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SYD - SIN
Entertainment
8.1
Boarding
8.3
Crew
8.6
Comfort
8.0
Food
7.8
Overall
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SYD - SIN
Entertainment
8.1
Boarding
8.3
Crew
8.6
Comfort
8.0
Food
7.8
Overall
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SYD - SIN
Related info for your journey
Find useful and relevant information for your journey from Kolkata to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
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Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline
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Top 2 airlines flying from Kolkata to Seattle
Discover the top 2 airlines that operate flights from Kolkata to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$968 | Average$1,217 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,251 | Average$1,320 | FlexibilityNo cancel fee | On-time68% |