Cheap flights from Boston to Kolkata from $419
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Kolkata departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Boston to Kolkata
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Singapore Airlines flights from Boston to Kolkata
Our best Singapore Airlines deals on Boston to Kolkata flight tickets
SWISS flights from Boston to Kolkata
Our best SWISS deals on Boston to Kolkata flight tickets
See travel insights to Kolkata from
How to get the cheapest flight ticket from Boston 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 Boston, with most prices found around $1,116. If you aren’t able to travel during the month of September, then book flights to Kolkata from Boston during November instead. Flights to Kolkata in November, while not as cheap as those in September, still average around $1,145.
What is the cheapest day to depart on your flight to Kolkata?
On average, the least expensive day to fly to Kolkata from Boston is on a Sunday. momondo users have found tickets for Sunday departures for as low as $1,253. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Kolkata on Saturday is $1,306.
What is the cheapest time of day to depart on your flight to Kolkata?
In the afternoon is the cheapest time of day to fly from Boston to Kolkata when you can find flight prices for as low as $1,228. Flying to Kolkata in the afternoon 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 $1,293. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Boston Logan Intl to Kolkata Netaji S. Chandra flight route?
Fly from Boston Logan Intl to Kolkata Netaji S. Chandra for the best Boston Logan 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 Boston when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to Kolkata for around $1,285 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kolkata from Boston for as low as $1,161 on momondo.
What cabin class options are available on Boston Logan Intl to Kolkata Netaji S. Chandra flights?
There are 1 cabin classes available to choose from on Boston Logan 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 Boston to Kolkata flights?
You could potentially save up to 23% on your flight if you consider stops on a Boston to Kolkata flight.
How have Boston to Kolkata flight prices changed over time?
As of June 2025, prices for Boston to Kolkata flights are approximately 62% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Boston Logan Intl to Kolkata Netaji S. Chandra?
IndiGo, American Airlines, and Singapore Airlines are the most popular carriers operating from Boston Logan Intl to Kolkata Netaji S. Chandra
What airlines fly to Kolkata?
Etihad Airways, Qatar Airways and Emirates are the top three most popular airlines that fly to Kolkata from Boston according to our data. Etihad Airways is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Kolkata. Keep in mind that there are 7 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 Boston to Kolkata
Cheap Boston to Kolkata (BOS to CCU) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boston to Kolkata
How far is Boston Logan Intl to Kolkata Netaji S. Chandra by plane?
Kolkata Netaji S. Chandra is 7757.3 mi away from Boston Logan Intl. By plane, this route typically takes 18h 00m.
When did momondo last update prices for flights from Boston Logan Intl Airport to Kolkata Netaji S. Chandra Airport?
Prices for flights from Boston Logan Intl Airport to Kolkata Netaji S. Chandra Airport refresh daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to Kolkata Netaji S. Chandra Airport?
There are 7 operators available for flights from Boston Logan Intl Airport to Kolkata Netaji S. Chandra Airport as of June 2025.
How old do you have to be to fly from Boston Logan Intl Airport to Kolkata Netaji S. Chandra Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Kolkata Netaji S. Chandra Airport.
What documentation or ID do you need to fly to Kolkata Netaji S. Chandra Airport?
The travel and health documents required for your trip to Kolkata Netaji S. Chandra Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kolkata Netaji S. Chandra Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Boston to Kolkata?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boston to Kolkata is Etihad Airways (42% of total bookings). The next most popular airlines are Qatar Airways (36%), Emirates (13%), and IndiGo (3%).
Best airlines flying from Boston to Kolkata
Compare and see reviews for airlines that fly from Boston to Kolkata with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $899 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $920 | Free Cancellation | Rating 7.4 1,211 reviews | |||
| PriceFrom $944 | Free Cancellation | Rating 6.8 477 reviews | |||
| PriceFrom $972 | Free Cancellation | Rating 7.4 3,584 reviews | |||
| PriceFrom $1,063 | Free Cancellation | Rating 8.1 3,264 reviews | |||
| PriceFrom $1,070 | Free Cancellation | Rating 7.5 1,623 reviews | |||
| PriceFrom $1,189 | Free Cancellation | Rating 6.7 7,139 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Boston to Kolkata?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Kolkata from Boston.
Can I find flights from Boston to Kolkata with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Boston to Kolkata flights to just show those with flexible booking policies.
How can momondo help me find flights from Boston to Kolkata?
Once all potential Boston 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 Boston to Kolkata right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Kolkata from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.