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How to get the cheapest flight ticket from Seattle to Kolkata
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Kolkata?
If you are unable to visit Kolkata during the month of September, then departing from Seattle during the month February is also very affordable. Most momondo users find prices during this month for around ₹ 82,173.
What is the cheapest time of day to depart on your flight to Kolkata?
According to our data, the cheapest time of day to fly to Kolkata is in the morning. momondo users have found flights departing from Seattle to Kolkata in the morning for as low as ₹ 95,930. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Kolkata, so prices are often more expensive at around ₹ 194,781 per ticket.
How far in advance should I book a flight to Kolkata?
You are more likely to see cheaper flights to Kolkata from Seattle when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Kolkata for around ₹ 107,122 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kolkata from Seattle for as low as ₹ 84,229 on momondo.
How have Seattle to Kolkata flight prices changed over time?
As of June 2025, prices for Seattle to Kolkata flights are approximately 8% more expensive when compared to flights at the same time last year.
When to book flights from Seattle to Kolkata
Cheap Seattle to Kolkata (SEA to CCU) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Kolkata
How far is Seattle/Tacoma Intl to Kolkata Netaji S. Chandra by plane?
The straight-line distance from Seattle/Tacoma Intl to Kolkata Netaji S. Chandra is 11621.6 km. Flights usually cover this in 20h 35m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Kolkata Netaji S. Chandra Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Kolkata Netaji S. Chandra Airport are updated daily.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Kolkata Netaji S. Chandra Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Kolkata Netaji S. Chandra Airport.
What documentation or ID do you need to fly to Kolkata Netaji S. Chandra Airport?
The necessary travel and health documents for your Kolkata Netaji S. Chandra Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Kolkata?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Kolkata . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Seattle to Kolkata with flexible booking policies on momondo?
Flights from Seattle to Kolkata with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Seattle to Kolkata?
Once all potential Seattle to Kolkata flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Seattle to Kolkata right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Seattle to Kolkata flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.