SEA - CCU

$549 Find Cheap Flights from Seattle to Kolkata - Compare and Save

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Everything you should know

Cheapest round-trip
$926
Typical prices: $988-$1,549
Singapore Airlines
Tue 1/9Mon 2/19
SEA - CCU • 1 stop
Cheapest one-way
$583
Typical prices: $623-$1,242
Multiple Airlines
Sat 10/27
SEA - CCU • 2 stops
When to book
18 weeks
in advance
Our data shows that travelers who book at least 18 weeks in advance save around 45% compared to booking last minute.
Insights
Insights
When to travel
March
Cheapest • 21% price drop
December
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Singapore Changi (SIN)
Cheapest • Avg $1,290 (round-trip)
Doha Hamad Intl (DOH)
Shortest trip • 21h 06m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Seattle to Kolkata (SEA-CCU)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Kolkata

Sat, Jan 9 - Fri, Feb 19
Singapore Airlines Logo
8:40 am - 10:25 pmSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
24h 15m1 stop Singapore Changi
Singapore Airlines Logo
11:20 pm - 7:05 amCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
21h 15m1 stop Singapore Changi
$926Singapore Airlines
Sat, Jan 9 - Fri, Feb 19
Multiple Airlines Logo
8:40 am - 10:25 pmSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
24h 15m1 stop Singapore Changi
Multiple Airlines Logo
11:20 pm - 4:56 pmCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
31h 06m2 stops Singapore Changi San Francisco
$1,041Multiple Airlines
Thu, Mar 4 - Sat, Mar 20
Multiple Airlines Logo
11:30 pm - 9:00 amSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
44h 00m2 stops Taipei City Taiwan Taoyuan Intl New Delhi Indira Gandhi Intl
Multiple Airlines Logo
7:05 pm - 7:20 pmCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
60h 45m2 stops New Delhi Indira Gandhi Intl Taipei City Taiwan Taoyuan Intl
$1,097Multiple Airlines
Tue, Nov 24 - Tue, Jan 19
Singapore Airlines Logo
8:40 am - 10:30 pmSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
48h 20m1 stop Singapore Changi
Singapore Airlines Logo
11:20 pm - 7:05 amCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
21h 15m1 stop Singapore Changi
$1,155Singapore Airlines
Sun, Nov 15 - Mon, Dec 7
Singapore Airlines Logo
8:40 am - 10:25 pmSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
24h 15m1 stop Singapore Changi
Singapore Airlines Logo
11:40 pm - 7:05 amCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
20h 55m1 stop Singapore Changi
$1,162Singapore Airlines
Tue, Nov 24 - Tue, Jan 19
Multiple Airlines Logo
11:30 pm - 4:15 pmSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
27h 15m2 stops Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
12:55 pm - 6:10 pmCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
42h 45m2 stops New Delhi Indira Gandhi Intl Taipei City Taiwan Taoyuan Intl
$1,183Multiple Airlines
Fri, Nov 13 - Mon, Nov 30
Singapore Airlines Logo
8:40 am - 10:25 pmSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
72h 15m1 stop Singapore Changi
Singapore Airlines Logo
11:40 pm - 7:05 amCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
44h 55m1 stop Singapore Changi
$1,253Singapore Airlines
Wed, Oct 21 - Mon, Nov 16
Qatar Airways Logo
4:25 pm - 2:10 amSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
21h 15m1 stop Doha Hamad Intl
Qatar Airways Logo
3:25 am - 11:40 amCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
21h 45m1 stop Doha Hamad Intl
$1,309Qatar Airways
Thu, Oct 22 - Mon, Nov 16
Qatar Airways Logo
4:25 pm - 2:10 amSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
21h 15m1 stop Doha Hamad Intl
Qatar Airways Logo
3:25 am - 11:40 amCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
21h 45m1 stop Doha Hamad Intl
$1,309Qatar Airways
Sun, Nov 15 - Sun, Dec 6
Qatar Airways Logo
3:50 pm - 1:55 amSEA  Seattle/Tacoma Intl-CCU Kolkata Netaji S. Chandra
20h 35m1 stop Doha Hamad Intl
Qatar Airways Logo
3:25 am - 4:56 pmCCU  Kolkata Netaji S. Chandra-SEA Seattle/Tacoma Intl
27h 01m2 stops Doha Hamad Intl San Francisco
$1,334Qatar Airways
Booking Insights

Price, demand and travel trends for Seattle to Kolkata flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Seattle to Kolkata with more confidence.

How much is a round-trip flight from Seattle to Kolkata?

Round-trip flights from Seattle to Kolkata start at $926. Prices are below average for this route right now, with typical round-trip fares ranging from $988 to $1,549. The lowest price found in the past 5 days was $926 on Singapore Airlines.

What's the cheapest day of the week to fly from Seattle to Kolkata?

Sunday is the cheapest day of the week to fly from Seattle to Kolkata, it is 8% cheaper than the average day. Wednesday is the most expensive day with flight prices 6% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • March is the cheapest month to fly from Seattle to Kolkata at $922 round-trip.
  • December ($1,848) and July ($1,302) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 100% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Seattle to Kolkata the cheapest?

Flights from Seattle to Kolkata are cheapest 18 weeks before departure. Booking in this window typically costs about 45% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Seattle to Kolkata flights

Low season

September

Cheapest flight

$583
Best time to beat the crowds but there is an average 1% increase in price.
Most popular time to fly with an average 57% increase in price.
Flight from Seattle to Kolkata

When to book flights from Seattle to Kolkata

Are your dates flexible? Find out the best times to travel from Seattle to Kolkata based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Kolkata flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What’s the easiest way to get from the city to Seattle–Tacoma International Airport?

    You can evade traffic and even save money on parking by purchasing a ticket or using an ORCA card to catch the Link light rail from downtown Seattle to the airport.

  • Where can I park at Seattle–Tacoma International Airport?

    Depending on your stay in Kolkata, you can use on-airport long-term parking lots like the General Parking on the 1st to 3rd floors and 5th to 8th floors. You can reserve covered parking lots at Sea-Tac’s official website.

  • Are there on-site car rental companies at Kolkata Airport?

    The only major car hire company on-site at Kolkata airport is Avis. However, a local car hire agency called Wenz has a counter in the Arrival Level operated by Wenz International Private Limited and offers a variety of choice vehicles.

  • Can I get a bus from Kolkata Airport to the city?

    Yes. The West Bengal Surface Transport Corporation (WBSTC) bus is a great alternative when you can’t hire a vehicle and need a cost-effective mode of transportation to downtown Kolkata from the airport. Services start at 8 am, and the last bus departs the airport at 9:30 pm.

  • Which airports can I use when flying from Seattle to Kolkata?

    Flights from Seattle to Kolkata usually depart from Seattle/Tacoma Intl (SEA) and arrive at Kolkata Netaji S. Chandra (CCU).

  • What cabin classes can I book on flights from Seattle to Kolkata?

    Three cabin classes are available on flights from Seattle to Kolkata:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • Which airports do connecting flights from Seattle to Kolkata pass through?

    One-stop flights from Seattle to Kolkata most commonly connect through:

    • Singapore Changi (SIN) - 80% of one-stop connections
    • Doha Hamad Intl (DOH) - 17% of one-stop connections
    • Dubai Intl (DXB) - 3% of one-stop connections

    Singapore Changi (SIN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Seattle to Kolkata?

    On the Seattle to Kolkata route, being flexible with your departure day can save you up to 14%. Sunday is the cheapest day at $1,082 round-trip on average, while Wednesday is the most expensive at $1,253: a $171 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How expensive are last-minute Seattle to Kolkata flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 42% above the route average of $1,174. Book 18 weeks before departure for the lowest fares.

  • How long is a flight from Seattle to Kolkata?

    There are currently no nonstop flights available from Seattle to Kolkata. Flights with 1 layover take between 21h 06m and 27h 33m in total, depending on the connection.

  • Do I need a passport to fly from Seattle to Kolkata?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Seattle to Kolkata looking right now?

    One-way fares from Seattle to Kolkata are currently higher than usual. Average one-way flight prices are about $890, which is 6% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Seattle to Kolkata?

    Flying via Doha Hamad Intl (DOH) gives the shortest average 1-stop total travel time at 21h 06m, compared with 23h 16m via Singapore Changi (SIN) and 27h 33m via Dubai Intl (DXB).

  • What is the time difference between Seattle and Kolkata?

    Kolkata is 12 hours ahead of Seattle (India Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • How much should I expect to pay for a Seattle to Kolkata flight?

    Round-trip flights from Seattle to Kolkata range from $988 to $1,549, with an average of $1,174 over the past 12 months. Anything below $988 counts as a good deal.

Your guide to booking Seattle to Kolkata flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Sunday departure instead of Wednesday. On this route, Sunday flights average $1,082 - about $171 less than Wednesday (14% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 45% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to Kolkata trip for March. Fares historically average $922 round-trip in that month - typically $926 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Kolkata Netaji S. Chandra Airport.
    - Holiday Inn Express Kolkata Airport By IHG
  • Also known as Kolkata Airport or Kolkata Netaji S. Chandra, Netaji Subhas Chandra Bose International (CCU) is the airport that serves the Capital of West Bengal state, India, Kolkata. If you’re traveling to India with a companion animal, consider using Air India, Jet Airways, and SpiceJet because they allow pets on board. At Seattle–Tacoma International Airport or Sea-Tac, pets must remain leashed except when visiting Pet Relief Areas on the Subway level of Concourse D, Mezzanine Level of Concourse S, the Mezzanine Level of Central Terminal, etc.
  • As the 10th-busiest airport in the U.S. that serves more than 36 million passengers per year, Seattle–Tacoma International Airport (SEA) can get very busy between 5 am to 7 am, 9 am to 11 am, and 4 pm to 6 pm. TSA recommends that travelers arrive 3h before their departure flight, so there’s ample time to navigate around the terminal, check-in, go through security, and find your gate.
  • If you arrive at Sea-Tac with time to spare before your flight to Kolkata, you can purchase a day pass to access The Club SEA in Concourse A and the Alaska Lounges in Concourses C, D and the North Satellite Terminal. Lounge facilities at Kolkata Airport are located in the Security Hold Areas of the Domestic and International Terminal.
  • Passengers that need to keep their kids entertained can head to Sea-Tac’s children’s play area near gate A, next door to Qdoba or use one of the seven lactation pods situated throughout the four Concourses. Located at Departure Level 3 and arrival Level 1 at Kolkata Airport are child care rooms available for traveling moms that need privacy to breastfeed, pump or change diapers.
  • While post-security wheelchair services are provided by your airline, Seattle–Tacoma International Airport, in conjunction with Prospect Airport Services, provides wheelchairs, including complimentary Meet and Assist services to passengers with disability. Communicating your wheelchair needs while booking your Kolkata tickets through KAYAK is advisable.

More options for your flight from Seattle to Kolkata

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