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Cheap flights from Boston to Kolkata from $418

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 10/31. 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

IndiGo Logo
9:00 pm - 12:25 pmBOS-CCU
29h 55m2 stops
IndiGo Logo
6:30 pm - 6:05 pmCCU-BOS
34h 05m2 stops
$795IndiGo
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Thu, Oct 30 - Thu, Nov 6
Air India Logo
7:08 am - 9:35 pmBOS-CCU
28h 57m2 stops
Air India Logo
6:45 pm - 6:30 pmCCU-BOS
33h 15m2 stops
$840Air India
Find Deal
Wed, Oct 1 - Thu, Oct 16
Air India Logo
5:23 am - 9:35 pmBOS-CCU
30h 42m2 stops
Air India Logo
5:30 pm - 4:29 pmCCU-BOS
32h 29m2 stops
$841Air India
Find Deal
Thu, Oct 9 - Tue, Oct 21
IndiGo Logo
8:00 pm - 5:35 pmBOS-CCU
35h 05m2 stops
IndiGo Logo
8:45 pm - 6:05 pmCCU-BOS
31h 50m2 stops
$855IndiGo
Find Deal
Wed, Nov 5 - Thu, Dec 4
Air India Logo
5:23 am - 12:50 amBOS-CCU
33h 57m2 stops
Air India Logo
6:45 pm - 4:37 pmCCU-BOS
31h 22m2 stops
$872Air India
Find Deal
Thu, Oct 9 - Sun, Oct 26
Air India Logo
5:23 am - 4:50 pmBOS-CCU
25h 57m2 stops
Air India Logo
5:30 pm - 1:49 pmCCU-BOS
29h 49m2 stops
$876Air India
Find Deal
Wed, Oct 1 - Fri, Oct 10
Multiple Airlines Logo
9:50 pm - 9:10 amBOS-CCU
24h 50m2 stops
Multiple Airlines Logo
8:15 am - 8:20 pmCCU-BOS
46h 35m2 stops
$880Multiple Airlines
Find Deal
Sat, Nov 8 - Sun, Dec 7
IndiGo Logo
9:00 pm - 3:50 pmBOS-CCU
33h 20m2 stops
IndiGo Logo
7:30 pm - 6:05 pmCCU-BOS
33h 05m2 stops
$882IndiGo
Find Deal
Fri, Oct 31 - Mon, Dec 15
Multiple Airlines Logo
3:40 pm - 11:40 pmBOS-CCU
21h 30m2 stops
Multiple Airlines Logo
6:45 pm - 6:05 pmCCU-BOS
33h 50m3 stops
$930Multiple Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 30
Etihad Airways Logo
4:30 pm - 3:00 amBOS-CCU
25h 00m1 stop
Etihad Airways Logo
9:30 pm - 2:55 pmCCU-BOS
26h 55m1 stop
$1,057Etihad Airways
Find Deal
Wed, Oct 1 - Fri, Oct 10

Air India flights from Boston to Kolkata

Our best Air India deals on Boston to Kolkata flight tickets
Air India
Sep 23
BOS7:08 amBoston Logan Intl
32h 12m
2 stops
CCU12:50 amKolkata Netaji S. Chandra
Oct 1
CCU7:55 pmKolkata Netaji S. Chandra
32h 13m
2 stops
BOS6:38 pmBoston Logan Intl
$821
Find similar
Air India
Oct 1
BOS7:08 amBoston Logan Intl
28h 57m
2 stops
CCU9:35 pmKolkata Netaji S. Chandra
Oct 16
CCU6:45 pmKolkata Netaji S. Chandra
33h 15m
2 stops
BOS6:30 pmBoston Logan Intl
$840
Find similar
Air India
Oct 9
BOS5:23 amBoston Logan Intl
30h 42m
2 stops
CCU9:35 pmKolkata Netaji S. Chandra
Oct 21
CCU5:30 pmKolkata Netaji S. Chandra
32h 29m
2 stops
BOS4:29 pmBoston Logan Intl
$841
Find similar

Etihad Airways flights from Boston to Kolkata

Our best Etihad Airways deals on Boston to Kolkata flight tickets
Etihad Airways
Sep 30
BOS4:30 pmBoston Logan Intl
18h 35m
1 stop
CCU8:35 pmKolkata Netaji S. Chandra
Nov 18
CCU3:35 amKolkata Netaji S. Chandra
21h 05m
1 stop
BOS2:10 pmBoston Logan Intl
$1,051
Find similar
Etihad Airways
Oct 1
BOS4:30 pmBoston Logan Intl
25h 00m
1 stop
CCU3:00 amKolkata Netaji S. Chandra
Oct 10
CCU9:30 pmKolkata Netaji S. Chandra
26h 55m
1 stop
BOS2:55 pmBoston Logan Intl
$1,057
Find similar
Etihad Airways
Oct 1
BOS4:30 pmBoston Logan Intl
25h 00m
1 stop
CCU3:00 amKolkata Netaji S. Chandra
Nov 18
CCU8:55 pmKolkata Netaji S. Chandra
27h 45m
1 stop
BOS2:10 pmBoston Logan Intl
$1,067
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Kolkata that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Boston to Kolkata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 10/30

9:00 pm-12:25 pm

2 stops29h 55m

Kolkata Netaji S. Chandra

Thu 11/6

6:30 pm-6:05 pm

2 stops34h 05m

$795

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 10/1

7:08 am-9:35 pm

2 stops28h 57m

Kolkata Netaji S. Chandra

Thu 10/16

6:45 pm-6:30 pm

2 stops33h 15m

$840

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 10/9

5:23 am-9:35 pm

2 stops30h 42m

Kolkata Netaji S. Chandra

Tue 10/21

5:30 pm-4:29 pm

2 stops32h 29m

$841

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 11/5

8:00 pm-5:35 pm

2 stops35h 05m

Kolkata Netaji S. Chandra

Thu 12/4

8:45 pm-6:05 pm

2 stops31h 50m

$855

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 10/9

5:23 am-12:50 am

2 stops33h 57m

Kolkata Netaji S. Chandra

Sun 10/26

6:45 pm-4:37 pm

2 stops31h 22m

$872

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 10/1

5:23 am-4:50 pm

2 stops25h 57m

Kolkata Netaji S. Chandra

Fri 10/10

5:30 pm-1:49 pm

2 stops29h 49m

$876

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sat 11/8

9:50 pm-9:10 am

2 stops24h 50m

Kolkata Netaji S. Chandra

Sun 12/7

8:15 am-8:20 pm

2 stops46h 35m

$880

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 10/31

9:00 pm-3:50 pm

2 stops33h 20m

Kolkata Netaji S. Chandra

Mon 12/15

7:30 pm-6:05 pm

2 stops33h 05m

$882

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 11/19

3:40 pm-11:40 pm

2 stops21h 30m

Kolkata Netaji S. Chandra

Sun 11/30

6:45 pm-6:05 pm

3 stops33h 50m

$930

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 10/1

4:30 pm-3:00 am

1 stop25h 00m

Kolkata Netaji S. Chandra

Fri 10/10

9:30 pm-2:55 pm

1 stop26h 55m

$1,057

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $1,112. 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 $1,158.

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 weeks ahead of your departure date. In general, you can expect to find flights to Kolkata for around $1,292 when searching 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 $1,143 on momondo.

What cabin class options are available on Boston Logan Intl to Kolkata Netaji S. Chandra flights?

There is only 1 cabin class 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 36% 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 September 2025, prices for Boston to Kolkata flights are approximately 14% more expensive 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

Direct flights

None
There are no direct flights from Boston to Kolkata. There are no popular flight routes from Boston to Kolkata.
Search flight deals

  • 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 21h 30m.

  • 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
IndiGoPriceFrom $852Free CancellationRating
6.9
484 reviews
Search IndiGo flights
American AirlinesPriceFrom $899Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Etihad AirwaysPriceFrom $920Free CancellationRating
7.4
1,251 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $1,043Free CancellationRating
7.4
3,622 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,063Free CancellationRating
8.1
3,339 reviews
Search Emirates flights
LufthansaPriceFrom $1,189Free CancellationRating
6.8
7,409 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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