₹61,375 Cheap Flights from Seattle (SEA) to Kolkata (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 ₹120,930. Book ASAP to secure the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply.

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.

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.

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.

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.

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.