S$785 Cheap Flights from Seattle to Kolkata

View S$785 flight on Sun, 28 Sep, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Netaji Subhash Chandra Bose Intl. Airport (CCU)

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Cheap Flights from Seattle to Kolkata (SEA-CCU)

Prices were available within the past 7 days and start at S$785 for one-way flights and S$1,356 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Sun, 28 Sep - Tue, 14 Oct
SEA
Seattle
CCU
Kolkata
S$1,356 Return, found 19 hours ago
S$1,356
Return
found 19 hours ago
Select Singapore Airlines flight, departing Sun, 28 Sep from Seattle to Kolkata, returning Tue, 14 Oct, priced at S$1,356 found 19 hours ago
Alaska Airlines
Sun, 28 Sep - Tue, 14 Oct
SEA
Seattle
CCU
Kolkata
S$1,457 Return, found 19 hours ago
S$1,457
Return
found 19 hours ago
Select Alaska Airlines flight, departing Sun, 28 Sep from Seattle to Kolkata, returning Tue, 14 Oct, priced at S$1,457 found 19 hours ago
Singapore Airlines
Sun, 28 Sep - Tue, 14 Oct
SEA
Seattle
CCU
Kolkata
S$1,466 Return, found 19 hours ago
S$1,466
Return
found 19 hours ago
Select Singapore Airlines flight, departing Sun, 28 Sep from Seattle to Kolkata, returning Tue, 14 Oct, priced at S$1,466 found 19 hours ago
American Airlines
Sun, 28 Sep - Tue, 14 Oct
SEA
Seattle
CCU
Kolkata
S$1,479 Return, found 19 hours ago
S$1,479
Return
found 19 hours ago
Select American Airlines flight, departing Sun, 28 Sep from Seattle to Kolkata, returning Tue, 14 Oct, priced at S$1,479 found 19 hours ago
Alaska Airlines
Sun, 28 Sep - Tue, 14 Oct
SEA
Seattle
CCU
Kolkata
S$1,498 Return, found 19 hours ago
S$1,498
Return
found 19 hours ago
Select Alaska Airlines flight, departing Sun, 28 Sep from Seattle to Kolkata, returning Tue, 14 Oct, priced at S$1,498 found 19 hours ago
Singapore Airlines
Sun, 28 Sep - Tue, 14 Oct
SEA
Seattle
CCU
Kolkata
S$1,529 Return, found 19 hours ago
S$1,529
Return
found 19 hours ago
Select Singapore Airlines flight, departing Sun, 28 Sep from Seattle to Kolkata, returning Tue, 14 Oct, priced at S$1,529 found 19 hours ago
Alaska Airlines
Sun, 28 Sep - Tue, 14 Oct
SEA
Seattle
CCU
Kolkata
S$1,533 Return, found 19 hours ago
S$1,533
Return
found 19 hours ago
Select Alaska Airlines flight, departing Sun, 28 Sep from Seattle to Kolkata, returning Tue, 14 Oct, priced at S$1,533 found 19 hours ago
American Airlines
Sun, 28 Sep - Tue, 14 Oct
SEA
Seattle
CCU
Kolkata
S$1,543 Return, found 19 hours ago
S$1,543
Return
found 19 hours ago
Select American Airlines flight, departing Sun, 28 Sep from Seattle to Kolkata, returning Tue, 14 Oct, priced at S$1,543 found 19 hours ago
EVA Airways
Sun, 28 Sep - Tue, 14 Oct
SEA
Seattle
CCU
Kolkata
S$1,702 Return, found 19 hours ago
S$1,702
Return
found 19 hours ago
Select EVA Airways flight, departing Sun, 28 Sep from Seattle to Kolkata, returning Tue, 14 Oct, priced at S$1,702 found 19 hours ago
KLM
Sun, 28 Sep - Tue, 14 Oct
SEA
Seattle
CCU
Kolkata
S$1,769 Return, found 19 hours ago
S$1,769
Return
found 19 hours ago
Select KLM flight, departing Sun, 28 Sep from Seattle to Kolkata, returning Tue, 14 Oct, priced at S$1,769 found 19 hours ago

Find the cheapest month to fly from Seattle (SEA) to Kolkata (CCU)

November is typically the cheapest month to fly

From S$1,074 - S$2,203 per traveller.

Graph displaying average flight prices per month

Seattle to Kolkata route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Netaji Subhash Chandra Bose Intl.
Airlines serving
Air France, KLM, Lufthansa, Singapore Airlines, Turkish Airlines
Return price
S$1,356
Distance
11568 km

Perfect flights from Seattle to Kolkata

Your Journey from Seattle to Kolkata

Start your unforgettable journey with Expedia. Our broad selection of flights from Seattle to Kolkata caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Alaska Airlines, United, American Airlines, Delta, Air France, Singapore Airlines, EVA Airways, KLM. Our selection of flights from Seattle - Tacoma Intl. to Netaji Subhash Chandra Bose Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Seattle to Kolkata Flights

Experience the joy of finding cheap flights from Seattle - Tacoma Intl. to Netaji Subhash Chandra Bose Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$785 and roundtrip prices from S$1,356*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seattle to Kolkata with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Kolkata

Picture yourself stepping off the plane in Kolkata and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Seattle to Kolkata Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Seattle to Kolkata.
 

Beyond the Flight – Exploring Kolkata

With Expedia, your adventure extends beyond the flight. Explore Kolkata at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Seattle to Kolkata with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Seattle to Kolkata with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from SEA to Netaji Subhash Chandra Bose Intl. Airport (CCU)?
Based on fares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Sea-Tac Airport and CCU start from S$1,356. Book ASAP to secure the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to CCU?
Most flights can be conveniently cancelled online, but whether you incur a fee varies between airlines. If you do need to cancel your getaway, follow the instructions in the Customer Service Portal.
How do I find cheap flights from SEA to Netaji Subhash Chandra Bose Intl. Airport (CCU) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seattle - Tacoma Intl. Airport (SEA) to CCU flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to Netaji Subhash Chandra Bose Intl. Airport (CCU)?
The distance is around 11,600 kilometres. Neck pillow? Check. Toiletries? Check. You'd be wise to pack all the travel comforts for this long-haul SeaTac to Kolkata flight.
Which airlines fly direct from SEA to Kolkata Airport?
There are no direct flights, so you'll need to make at least one stop between Seattle - Tacoma Intl. Airport (SEA) and CCU. Use the layover time to stretch your legs and grab a bite to eat.
Are Sea-Tac Airport to Kolkata Airport flight tickets cheaper when they're purchased at the last minute?
Booking last minute from SEA to CCU can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out entirely! If you'd prefer to play it safe and start planning your trip early on, Expedia compares flight deals up to 12 months in advance. Just keep in mind that not all airlines issue their prices so far in advance. Our top tip? Check back often as updates are made frequently.

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