Cheap flights from Seattle to Kolkata from $509
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Kolkata departing on 10/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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?
The month of September is, on average, the cheapest month to fly to Kolkata from Seattle, with most prices found around $823. If you aren’t able to travel during the month of September, then book flights to Kolkata from Seattle during February instead. Flights to Kolkata in February, while not as cheap as those in September, still average around $959.
What is the cheapest day to depart on your flight to Kolkata?
On average, the least expensive day to fly to Kolkata from Seattle is on a Friday. momondo users have found tickets for Friday departures for as low as $1,042. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Kolkata on Sunday is $1,676.
What is the cheapest time of day to depart on your flight to Kolkata?
In the evening is the cheapest time of day to fly from Seattle to Kolkata when you can find flight prices for as low as $1,141. Flying to Kolkata in the evening is an ideal time because this is during off-peak travel hours. Flights to Kolkata are more costly at noon, with an average ticket price of $1,560. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Seattle/Tacoma Intl to Kolkata Netaji S. Chandra flight route?
Fly from Seattle/Tacoma Intl to Kolkata Netaji S. Chandra for the best Seattle/Tacoma Intl - Kolkata Netaji S. Chandra flight prices
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 weeks ahead of your departure date. In general, you can expect to find flights to Kolkata for around $1,248 when searching 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 $983 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Kolkata Netaji S. Chandra flights?
There are 1 cabin classes available to choose from on Seattle/Tacoma Intl to Kolkata Netaji S. Chandra flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Seattle to Kolkata flights?
You could potentially save up to 7% on your flight if you consider stops on a Seattle to Kolkata flight.
How have Seattle to Kolkata flight prices changed over time?
As of July 2025, prices for Seattle to Kolkata flights are approximately 1% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Kolkata Netaji S. Chandra?
Singapore Airlines, Emirates, and Qatar Airways are the most popular carriers operating from Seattle/Tacoma Intl to Kolkata Netaji S. Chandra
What airlines fly to Kolkata?
Singapore Airlines, Qatar Airways and Turkish Airlines are the top three most popular airlines that fly to Kolkata from Seattle according to our data. Singapore Airlines is the first choice among our users, with 77% of people opting to fly with this airline when traveling to Kolkata. Keep in mind that there are 6 different airlines that fly to Kolkata on a routine basis, so you have a few additional options to choose from.
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 7221.3 mi. 22h 55m is a normal flight duration for this route.
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 refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Kolkata Netaji S. Chandra Airport?
As of July 2025, there are 6 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Kolkata Netaji S. Chandra Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Kolkata Netaji S. Chandra Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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.
What is the most popular airline from Seattle to Kolkata?
Based on momondo bookings for flights between Seattle and Kolkata, the leading airline is Singapore Airlines, making up 74% of the total bookings. Other popular airlines include Qatar Airways with 16%, Turkish Airlines with 3%, and Emirates with 3%.
Best airlines flying from Seattle to Kolkata
Compare and see reviews for airlines that fly from Seattle to Kolkata with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $769 | Free Cancellation | Rating 8.1 1,324 reviews | |||
| PriceFrom $1,137 | Free Cancellation | Rating 7.3 3,893 reviews | |||
| PriceFrom $1,334 | Free Cancellation | Rating 7.4 3,591 reviews | |||
| PriceFrom $1,489 | Free Cancellation | Rating 6.8 7,193 reviews | |||
| PriceFrom $1,497 | Free Cancellation | Rating 8.1 3,288 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Kolkata?
Finding the right flight to Kolkata from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Kolkata quick and easy, saving you time and money.
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?
momondo provides multiple filters to help you find the best flight to Kolkata from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Seattle to Kolkata right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Seattle to Kolkata flights. All you need is a valid email address and we will do the rest; it is that quick and easy.