Cheap flights from Seattle to Kolkata

Compare Seattle to Kolkata flight deals

Find the cheapest month or even day of the year to fly to Kolkata

Book the best Kolkata fare with no extra fees

Flight deals from Seattle to Kolkata Airport

Looking for a cheap last-minute deal or the best return flight from Seattle to Kolkata Airport? If you want to travel next month, return fares start from $1,488. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to Kolkata

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Kolkata flights are currently cheapest in May.

Seattle to Kolkata: Alternative routes

Compare routes from Seattle to Kolkata below. You may find an airport to fly into that's cheaper, faster, or easier than Kolkata.

Seattle to Kolkata: Flight information

The things to know before you go.
Cheapest flight found$432
Cheapest month to flyMay

Finding cheap flights from Seattle to Kolkata: Frequently asked questions

The best price we found for a return flight from Seattle to Kolkata is $1,159. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle to Kolkata. But we found flights with one stop from $1,159.
As of March 2026, there are no flights flying from Seattle to Kolkata.
The cheapest month to fly from Seattle to Kolkata is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Kolkata Airport on Thursday, 15 October 2026.
No airlines currently offer direct flights between Seattle and Kolkata Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kolkata but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kolkata is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Kolkata is Singapore Airlines .

Travelling from Seattle to Kolkata Netaji Subhas Chandra Bose Intl Airport (CCU): What you need to know

  • The timezone in Kolkata is UTC+5:30, which is 13 hours 30 minutes ahead of Seattle. Kolkata Netaji Subhas Chandra Bose Intl Airport is located in Kolkata.

  • Get to the airport on time so you don't miss your flight from Seattle to CCU. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • With more people on the move during busy periods like July, get to the terminal earlier than usual. Two hours for domestic flights and as much as four for international journeys will allow for additional wait times. Remember things also get busy during major holidays like Christmas and local events or festivals.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Consider adding a stopover to find cheap flights from Seattle to CCU. Simply deselect 'Direct flights only' when browsing departures from Seattle-Tacoma International Airport (SEA). Pause your trip (and maybe pocket some savings) with a stop at one of these popular options:

    • Dubai International Airport (DXB)

    • Singapore Changi Airport (SIN)

    • Doha Hamad International Airport (DOH)

  • Located around 23 kilometres from the centre of Seattle, SEA can be reached in about 25 minutes by car (depending on traffic). The journey by public transport will take roughly 35 minutes.

  • Want a leisurely start to your travels? Stay near Seattle-Tacoma International Airport. Whether you have an early flight from Seattle to Kolkata Netaji Subhas Chandra Bose Intl Airport or just don't like being rushed, these hotels offer the perfect solution:

  • Seattle-Tacoma International Airport scores high marks for its on-time performance. 80% of flights that depart SEA arrive at their destination as scheduled.

Seattle Paine Field International Airport (PAE)

  • PAE is about 40 kilometres from central Seattle. It takes 40 minutes or so to get to the airport driving from the city centre. Public transport takes roughly 1 hour 30 minutes.

  • Start your holiday sooner with an extra night away from home. Before catching your Seattle to CCU flight, stay in one of these hotels near Seattle Paine Field International Airport:

  • Flights from Seattle Paine Field International Airport have a track record for punctuality, with 80% of them landing on schedule.

About Kolkata Netaji Subhas Chandra Bose Intl Airport (CCU)

Getting from Kolkata Netaji Subhas Chandra Bose Intl Airport (CCU) to central Kolkata

  • From Kolkata Netaji Subhas Chandra Bose Intl Airport, central Kolkata is around 18 kilometres away. It takes about 35 minutes to get to the city centre by car.

  • It takes around 50 minutes if you're using public transport.

How to find the cheapest flights from Seattle to Kolkata Netaji Subhas Chandra Bose Intl Airport (CCU)

  • $432 is currently the best price for a one-way ticket from Seattle to Kolkata Netaji Subhas Chandra Bose Intl Airport. Return flights start from $1,159. These fares can change based on availability and demand.

  • Booking early is often the key to finding a cheap flight from Seattle to CCU. Fares tend to rise as seats fill up, so the closer your departure date, the more you'll likely pay.

  • The 'Whole month' tool will show you the cheapest Seattle to Kolkata Netaji Subhas Chandra Bose Intl Airport tickets across the entire month. It's an easy way to snap up a bargain if your plans aren't set in stone.

  • Finding a cheap plane ticket from Seattle to CCU is easy with Price Alerts. Simply create one of these automatic alerts and we'll let you know when the price has dropped.

  • Filters make it easier to save some cash on your flight from Seattle to Kolkata Netaji Subhas Chandra Bose Intl Airport. Choose the departure times, airlines and number of stops that make sense for you. Then sort the results by 'Cheapest' to find the most affordable option fast.

The best time to fly from Seattle to Kolkata Netaji Subhas Chandra Bose Intl Airport (CCU)

  • November is when most people book flights from Seattle to Kolkata Netaji Subhas Chandra Bose Intl Airport (CCU). Visit Kolkata in December if you prefer a quieter experience.

  • Lock in a Seattle to CCU plane ticket departing in April if you're eager to visit the city during its warmest month. You can expect temperatures in Kolkata to range from 24ºC (75ºF) to 42ºC (108ºF).

  • If you like cooler conditions, look for a cheap ticket from Seattle to Kolkata Netaji Subhas Chandra Bose Intl Airport in January when temperatures are between 15ºC (59ºF) and 28ºC (82ºF).

More about Kolkata

  • Once you've booked your flight from Seattle to Kolkata Netaji Subhas Chandra Bose Intl Airport, choose a hotel that puts you where you want to be. Make one of these options your base for exploring Kolkata:

  • You'll find loads of exciting things to do in Kolkata when you're ready to get out and sightsee. Head straight for Victoria Memorial followed by Howrah Bridge and Trip to Sundarbans.

Explore more of India

  • You've done Kolkata, now it's time to explore other parts of India. Travel around 225 kilometres west to Jamshedpur to tick off its top attractions. From Rock Garden to Birla Temple and Krishna Temple, you've got a jam-packed schedule ahead.

  • Durgapur is another must-experience destination in India and is around 153 kilometres northwest of Kolkata. No journey is complete without experiencing B-Zone Major Park, A-Zone Major Park and Durga Mandir.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.