Start packing your suitcase, because round-trip journeys from CCU to Sea-Tac Airport start from . That’s based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to score the best deal. Prices and availability are subject to change. Additional terms apply.

This can vary between airlines, as each has its own set of terms and conditions. Head to the Customer Service Portal, where you’ll find easy-to-follow instructions on how to cancel online.

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 CCU to Sea-Tac Airport flights, you’ll see a “no change fees” filter for you to select.

The distance is around 11,600 kilometres. Sleep mask? Check. Noise-cancelling headphones? Check. You’d be wise to pack all the travel comforts for this long-haul Kolkata to SeaTac flight.

Unfortunately, there are no airlines that fly directly between CCU and Sea-Tac Airport. You’ll have to book a flight with at least one stop.

Fares from Kolkata Airport to Sea-Tac Airport are available up to a year before departure on Expedia. And although you may occasionally score a great last-minute deal, it’s never a sure thing. Also, booking your flights well in advance means you’ll have more options — and you can avoid being wedged in the dreaded middle seat! We frequently update our fares to bring you the best bargains, so keep checking in for all the latest specials.