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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.
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Find the cheapest flights from Boston to Kolkata

Cheap round-trip flights

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9:35 pm - 6:45 pmBOS-CCU
35h 40m2 stops
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9:30 pm - 2:55 pmCCU-BOS
26h 55m1 stop
Sat, Sep 27 - Wed, Oct 22
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9:35 pm - 6:45 pmBOS-CCU
35h 40m2 stops
 Logo
3:50 am - 3:05 pmCCU-BOS
20h 45m1 stop
Sat, Sep 27 - Tue, Oct 21
Qatar Airways Logo
10:00 pm - 2:20 amBOS-CCU
18h 50m1 stop
Qatar Airways Logo
3:50 am - 3:05 pmCCU-BOS
20h 45m1 stop
$1,219Qatar Airways
Find Deal
Tue, Sep 23 - Thu, Oct 23
Etihad Airways Logo
4:30 pm - 8:20 pmBOS-CCU
18h 20m1 stop
Etihad Airways Logo
4:00 am - 2:55 pmCCU-BOS
20h 25m1 stop
$1,238Etihad Airways
Find Deal
Sat, Jul 12 - Wed, Aug 6
Etihad Airways Logo
4:30 pm - 8:35 pmBOS-CCU
18h 35m1 stop
Etihad Airways Logo
9:30 pm - 2:55 pmCCU-BOS
26h 55m1 stop
$1,254Etihad Airways
Find Deal
Sun, Sep 21 - Sun, Oct 5
IndiGo Logo
9:35 pm - 4:45 amBOS-CCU
45h 40m2 stops
IndiGo Logo
2:00 am - 7:40 pmCCU-BOS
27h 10m2 stops
$1,269IndiGo
Find Deal
Sun, Aug 17 - Sat, Aug 30
Emirates Logo
11:05 pm - 8:10 amBOS-CCU
23h 35m1 stop
Emirates Logo
8:45 pm - 2:10 pmCCU-BOS
26h 55m1 stop
$1,274Emirates
Find Deal
Tue, Sep 23 - Fri, Oct 24
Qatar Airways Logo
10:00 pm - 2:20 amBOS-CCU
18h 50m1 stop
Qatar Airways Logo
3:50 am - 3:05 pmCCU-BOS
20h 45m1 stop
$1,286Qatar Airways
Find Deal
Thu, Sep 25 - Thu, Oct 23
Emirates Logo
10:10 pm - 7:40 amBOS-CCU
23h 00m1 stop
Emirates Logo
9:10 am - 1:55 pmCCU-BOS
39h 15m1 stop
$1,294Emirates
Find Deal
Thu, Dec 4 - Fri, Dec 19
IndiGo Logo
9:35 pm - 6:45 pmBOS-CCU
35h 40m2 stops
IndiGo Logo
2:00 am - 7:40 pmCCU-BOS
27h 10m2 stops
$1,297IndiGo
Find Deal
Thu, Jul 17 - Thu, Sep 4

Singapore Airlines flights from Boston to Kolkata

Our best Singapore Airlines deals on Boston to Kolkata flight tickets
Singapore Airlines
Oct 9
BOS8:12 pmBoston Logan Intl
40h 33m
2 stops
CCU10:15 pmKolkata Netaji S. Chandra
Oct 26
CCU11:40 pmKolkata Netaji S. Chandra
49h 31m
2 stops
BOS3:41 pmBoston Logan Intl
Singapore Airlines
Oct 9
BOS8:12 pmBoston Logan Intl
40h 33m
2 stops
CCU10:15 pmKolkata Netaji S. Chandra
Oct 26
CCU11:40 pmKolkata Netaji S. Chandra
49h 31m
2 stops
BOS3:41 pmBoston Logan Intl
Singapore Airlines
Sep 27
BOS4:45 pmBoston Logan Intl
44h 00m
3 stops
CCU10:15 pmKolkata Netaji S. Chandra
Oct 22
CCU11:30 pmKolkata Netaji S. Chandra
50h 00m
2 stops
BOS4:00 pmBoston Logan Intl

SWISS flights from Boston to Kolkata

Our best SWISS deals on Boston to Kolkata flight tickets
SWISS
Jul 15
BOS9:40 pmBoston Logan Intl
24h 30m
2 stops
CCU7:40 amKolkata Netaji S. Chandra
Aug 6
CCU8:30 pmKolkata Netaji S. Chandra
32h 55m
2 stops
BOS7:55 pmBoston Logan Intl
SWISS
Jul 15
BOS9:40 pmBoston Logan Intl
24h 30m
2 stops
CCU7:40 amKolkata Netaji S. Chandra
Aug 10
CCU8:30 pmKolkata Netaji S. Chandra
28h 25m
2 stops
BOS3:25 pmBoston Logan Intl
SWISS
Jul 16
BOS9:40 pmBoston Logan Intl
24h 30m
2 stops
CCU7:40 amKolkata Netaji S. Chandra
Aug 11
CCU8:30 pmKolkata Netaji S. Chandra
28h 25m
2 stops
BOS3:25 pmBoston Logan Intl

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.

When to book flights from Boston to Kolkata

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Kolkata according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$419

Fastest flight time

18h 00m

Direct flights

None

Airports in Kolkata

1 airport
The best one-way flight to Kolkata from Boston in the past 72 hours is $419. The best round-trip flight deal from Boston to Kolkata found on momondo in the last 72 hours is $938.
The fastest flight from Boston to Kolkata takes 18h 00m
There are no direct flights from Boston to Kolkata. Popular non-direct route for this connection is Boston Logan Intl Airport - Kolkata Netaji S. Chandra Airport.
There is 1 airport near Kolkata: Kolkata Netaji S. Chandra (CCU)

  • 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?

  • 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?


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
American AirlinesPriceFrom $899Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Etihad AirwaysPriceFrom $920Free CancellationRating
7.4
1,211 reviews
Search Etihad Airways flights
IndiGoPriceFrom $944Free CancellationRating
6.8
477 reviews
Search IndiGo flights
Qatar AirwaysPriceFrom $972Free CancellationRating
7.4
3,584 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,063Free CancellationRating
8.1
3,264 reviews
Search Emirates flights
SWISSPriceFrom $1,070Free CancellationRating
7.5
1,623 reviews
Search SWISS flights
LufthansaPriceFrom $1,189Free CancellationRating
6.7
7,139 reviews
Search Lufthansa flights

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.


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Tue 6/17
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