HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kolkata

$367+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — CCU
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
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.

The best prices from Seattle/Tacoma Intl to Kolkata Netaji S. Chandra are usually found in September or January, booked 89 days in advance, depart on a Saturday or Monday and return on a Monday

Cheap 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 January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$938
(Trip.com)

One-way from

$367
(Yatra.com)

Popular in

December

Cheapest in

September

Average price

$1,005
Provider with most accurate pricing for Seattle/Tacoma Intl-Kolkata Netaji S. Chandra flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Kolkata Netaji S. Chandra flights.
Search Deals
From Seattle/Tacoma Intl to Kolkata Netaji S. Chandra
Search Deals
One-way flight from Seattle/Tacoma Intl to Kolkata Netaji S. Chandra
Search Deals
High demand for flights, 15% potential price rise
Search Deals
Best time to find cheap flights, 7% potential price drop
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Seattle to Kolkata

Cheapest flights from Seattle to Kolkata
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 January 21, 2025.

This FlightHub deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1710:15 amSEA - CCU
1 stop23h 30mSingapore Airlines
Mon 12/811:40 pmCCU - SEA
1 stop21h 00mSingapore Airlines
Deal found 1/20$849
This Trip.com deal was found by Cheapflights users on 1/19. 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.
Mon 2/1712:45 pmSEA - CCU
2 stops45h 40mMultiple Airlines
Tue 3/412:30 amCCU - SEA
2 stops47h 55mMultiple Airlines
Deal found 1/19$938
This FlightHub deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/177:00 pmSEA - CCU
2 stops27h 50mTurkish Airlines
Thu 3/66:30 pmCCU - SEA
2 stops36h 05mTurkish Airlines
Deal found 1/20$1,219
This Gurufare deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1812:30 pmSEA - CCU
2 stops29h 10mJapan Airlines
Tue 3/42:15 pmCCU - SEA
2 stops33h 10mJapan Airlines
Deal found 1/20$1,397
This Indian Eagle deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/183:10 pmSEA - CCU
2 stops27h 20mLufthansa
Sat 3/89:15 pmCCU - SEA
2 stops29h 35mLufthansa
Deal found 1/20$1,416

Find flights from Seattle to Kolkata within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Mon 2/17

12:45 pm-11:55 pm

2 stops45h 40m

Kolkata Netaji S. Chandra

Tue 3/4

12:30 am-10:55 am

2 stops47h 55m

$938

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Thu 3/6

8:40 am-10:25 pm

1 stop24h 15m

Kolkata Netaji S. Chandra

Sat 3/15

11:40 pm-10:00 am

2 stops46h 50m

$955

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Mon 2/17

7:00 pm-12:20 pm

2 stops27h 50m

Kolkata Netaji S. Chandra

Thu 3/6

6:30 pm-5:05 pm

2 stops36h 05m

$1,219

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Tue 2/18

12:30 pm-7:10 am

2 stops29h 10m

Kolkata Netaji S. Chandra

Tue 3/4

2:15 pm-9:55 am

2 stops33h 10m

$1,397

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Tue 2/18

3:10 pm-8:00 am

2 stops27h 20m

Kolkata Netaji S. Chandra

Sat 3/8

9:15 pm-1:20 pm

2 stops29h 35m

$1,416

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Thu 3/6

8:40 am-10:25 pm

1 stop24h 15m

$367

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Sat 2/22

5:15 am-4:15 am

3 stops57h 30m

$509

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Sun 7/6

6:50 pm-8:20 am

2 stops49h 00m

$800

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Sat 7/5

5:35 pm-9:15 am

2 stops27h 10m

$951

SeattleKolkata

SEA - CCU

SEACCU

Seattle/Tacoma Intl

Thu 7/3

6:30 pm-4:40 am

2 stops45h 40m

$955

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 12 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

Travel insights for flights from Seattle to Kolkata

Get recent, data-driven insights about flights from Seattle to Kolkata including ideal travel times, pricing trends, and more.

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 January 17, 2025.

The best time to book flights from Seattle to Kolkata is 89 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 $989). Flying from Seattle to Kolkata in June is currently the most expensive (average of $1,682). 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.

What is the cheapest time of day to fly from SEA to CCU?

Find hourly flight availability from Seattle to Kolkata. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

When flying from Seattle to Kolkata, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 47% versus a flight in the afternoon.

What is the cheapest day to fly from Seattle to Kolkata?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Kolkata. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Kolkata flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Kolkata by month

Plan your trip to Kolkata by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kolkata ranges from 0.3 - 14.0 inches per month. August is typically the wettest month, when rainfall can reach 14.0 in. December is typically the driest time to visit Kolkata when rainfall is around 0.3 in.

Temperature in Kolkata by month

Plan your trip to Kolkata by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kolkata, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 87.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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 January 21, 2025.
Japan Airlines
8.3
Very good
1,449 reviews

Comfort

8.2

Food

7.7

Boarding

8.4

Overall

8.3

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Japan Airlines
8.3
Very good
1,449 reviews
Japan Airlines
8.3
Very good
1,449 reviews

Comfort

8.2

Food

7.7

Boarding

8.4

Overall

8.3

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Emirates
8.1
Very good
3,356 reviews
Japan Airlines
8.3
Very good
1,449 reviews

Comfort

8.2

Food

7.7

Boarding

8.4

Overall

8.3

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Singapore Airlines
8.1
Very good
1,328 reviews
Japan Airlines
8.3
Very good
1,449 reviews

Comfort

8.2

Food

7.7

Boarding

8.4

Overall

8.3

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

KLM
7.8
Good
1,341 reviews
Japan Airlines
8.3
Very good
1,449 reviews

Comfort

8.2

Food

7.7

Boarding

8.4

Overall

8.3

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Air France
7.4
Good
1,490 reviews
Japan Airlines
8.3
Very good
1,449 reviews

Comfort

8.2

Food

7.7

Boarding

8.4

Overall

8.3

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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.

  • What are the cheapest airlines flying from Seattle to Kolkata round-trip?

    Our cheapest airline available from Seattle to Kolkata is Singapore Airlines. Our recent data shows that you can find tickets from as low as $955 on this airline. Additional options worth looking into are Turkish Airlines and Japan Airlines, starting at $1,219 and $1,397 round-trip. Singapore Airlines is 27% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Seattle to Kolkata one-way?

    The cheapest airline one-way is Singapore Airlines, with whom users have recently found tickets for as low as $367. However, be on the lookout for offers from Lufthansa and KLM, as they are both options that can get you from Seattle to Kolkata for a low price.

  • Can I find deals for flights from Seattle to Kolkata that include hotel bookings?

    Yes. In addition to deals on Seattle to Kolkata flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Kolkata?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Kolkata.

  • Can I find deals for business class flights from Seattle to Kolkata?

    Yes. Cheapflights offers flight deals from Seattle to Kolkata by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $989). Flying from Seattle to Kolkata in June is currently the most expensive (average of $1,682). 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.

See more FAQs

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 for Seattle to Kolkata

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Kolkata flights
Spokane to Kolkata flights

Top 5 airlines flying from Seattle to Kolkata

Discover the top 5 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$767Average$1,114FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$1,282Average$2,383FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,349Average$2,640FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$1,454Average$1,575FlexibilityNo cancel feeOn-time76%
EmiratesCheapest$1,675Average$2,063FlexibilityNo cancel feeOn-time75%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.