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Cheap flights from Boston to Kolkata from $404

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 2/1. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:40 pm - 2:10 am
BOS
-
CCU
24h 00m2 stops
Multiple Airlines Logo
3:25 am - 1:55 pm
CCU
-
BOS
21h 00m1 stop
$1,010Multiple Airlines
Thu, Feb 26 - Wed, Mar 4
IndiGo Logo
8:00 pm - 3:45 pm
BOS
-
CCU
33h 15m2 stops
IndiGo Logo
1:40 am - 6:05 pm
CCU
-
BOS
26h 55m2 stops
$1,016IndiGo
Fri, Feb 6 - Tue, Feb 24
Multiple Airlines Logo
3:40 pm - 12:40 am
BOS
-
CCU
46h 30m2 stops
Multiple Airlines Logo
3:35 am - 2:10 pm
CCU
-
BOS
21h 05m1 stop
$1,017Multiple Airlines
Thu, Jan 22 - Mon, Feb 16
Multiple Airlines Logo
3:40 pm - 3:35 am
BOS
-
CCU
25h 25m3 stops
Multiple Airlines Logo
2:20 pm - 2:10 pm
CCU
-
BOS
34h 20m3 stops
$1,018Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
IndiGo Logo
9:00 pm - 10:05 am
BOS
-
CCU
27h 35m2 stops
IndiGo Logo
6:30 pm - 7:05 pm
CCU
-
BOS
34h 05m2 stops
$1,021IndiGo
Mon, Mar 9 - Fri, Mar 13
Etihad Airways Logo
3:40 pm - 2:40 am
BOS
-
CCU
24h 30m1 stop
Etihad Airways Logo
8:55 pm - 3:10 pm
CCU
-
BOS
27h 45m1 stop
$1,022Etihad Airways
Fri, Jan 30 - Mon, Mar 16
Multiple Airlines Logo
5:15 am - 4:50 pm
BOS
-
CCU
25h 05m2 stops
Multiple Airlines Logo
10:30 am - 11:10 am
CCU
-
BOS
59h 10m3 stops
$1,023Multiple Airlines
Tue, Jan 13 - Sun, Feb 1
Multiple Airlines Logo
8:07 pm - 7:55 pm
BOS
-
CCU
38h 18m2 stops
Multiple Airlines Logo
8:35 pm - 2:14 pm
CCU
-
BOS
27h 09m2 stops
$1,024Multiple Airlines
Mon, Mar 9 - Fri, Mar 13
Etihad Airways Logo
3:40 pm - 2:40 am
BOS
-
CCU
24h 30m1 stop
Etihad Airways Logo
8:55 pm - 2:10 pm
CCU
-
BOS
27h 45m1 stop
$1,027Etihad Airways
Wed, Jan 7 - Tue, Jan 27
Multiple Airlines Logo
3:40 pm - 10:50 am
BOS
-
CCU
32h 40m2 stops
Multiple Airlines Logo
3:35 am - 2:10 pm
CCU
-
BOS
21h 05m1 stop
$1,028Multiple Airlines
Sun, Jan 25 - Mon, Feb 16

Air India flights from Boston to Kolkata

Our best Air India deals on Boston to Kolkata flight tickets
Air India
Mar 9
BOS5:32 pmBoston Logan Intl
40h 53m
2 stops
CCU7:55 pmKolkata Netaji S. Chandra
Mar 13
CCU9:00 pmKolkata Netaji S. Chandra
26h 44m
2 stops
BOS2:14 pmBoston Logan Intl
$1,016
Find similar
Air India
Feb 20
BOS8:07 pmBoston Logan Intl
41h 58m
2 stops
CCU12:35 amKolkata Netaji S. Chandra
Mar 4
CCU8:35 pmKolkata Netaji S. Chandra
31h 11m
2 stops
BOS5:16 pmBoston Logan Intl
$1,034
Find similar

IndiGo flights from Boston to Kolkata

Our best IndiGo deals on Boston to Kolkata flight tickets
IndiGo
Mar 9
BOS9:00 pmBoston Logan Intl
27h 35m
2 stops
CCU10:05 amKolkata Netaji S. Chandra
Mar 13
CCU6:30 pmKolkata Netaji S. Chandra
34h 05m
2 stops
BOS7:05 pmBoston Logan Intl
$1,021
Find similar
IndiGo
Jan 15
BOS8:00 pmBoston Logan Intl
35h 10m
2 stops
CCU5:40 pmKolkata Netaji S. Chandra
Jan 22
CCU9:30 pmKolkata Netaji S. Chandra
31h 05m
2 stops
BOS6:05 pmBoston Logan Intl
$1,043
Find similar
IndiGo
Jan 16
BOS8:00 pmBoston Logan Intl
41h 10m
2 stops
CCU11:40 pmKolkata Netaji S. Chandra
Jan 23
CCU2:10 pmKolkata Netaji S. Chandra
38h 25m
2 stops
BOS6:05 pmBoston Logan Intl
$1,053
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 December 18, 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 2/26

3:40 pm-2:10 am

2 stops24h 00m

Kolkata Netaji S. Chandra

Wed 3/4

3:25 am-1:55 pm

1 stop21h 00m

$1,010

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 2/6

8:00 pm-3:45 pm

2 stops33h 15m

Kolkata Netaji S. Chandra

Tue 2/24

1:40 am-6:05 pm

2 stops26h 55m

$1,016

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 1/22

3:40 pm-12:40 am

2 stops46h 30m

Kolkata Netaji S. Chandra

Mon 2/16

3:35 am-2:10 pm

1 stop21h 05m

$1,017

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 1/30

3:40 pm-3:35 am

3 stops25h 25m

Kolkata Netaji S. Chandra

Fri 2/6

2:20 pm-2:10 pm

3 stops34h 20m

$1,018

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 3/9

9:00 pm-10:05 am

2 stops27h 35m

Kolkata Netaji S. Chandra

Fri 3/13

6:30 pm-7:05 pm

2 stops34h 05m

$1,021

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 1/30

3:40 pm-2:40 am

1 stop24h 30m

Kolkata Netaji S. Chandra

Mon 3/16

8:55 pm-3:10 pm

1 stop27h 45m

$1,022

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 1/13

5:15 am-4:50 pm

2 stops25h 05m

Kolkata Netaji S. Chandra

Sun 2/1

10:30 am-11:10 am

3 stops59h 10m

$1,023

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 3/9

8:07 pm-7:55 pm

2 stops38h 18m

Kolkata Netaji S. Chandra

Fri 3/13

8:35 pm-2:14 pm

2 stops27h 09m

$1,024

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 1/7

3:40 pm-2:40 am

1 stop24h 30m

Kolkata Netaji S. Chandra

Tue 1/27

8:55 pm-2:10 pm

1 stop27h 45m

$1,027

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 1/25

3:40 pm-10:50 am

2 stops32h 40m

Kolkata Netaji S. Chandra

Mon 2/16

3:35 am-2:10 pm

1 stop21h 05m

$1,028

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 typical price of a round-trip flight between Boston and Kolkata?

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 $1,114. If you aren’t able to travel during the month of September, then book flights to Kolkata from Boston during October instead. Flights to Kolkata in October, while not as cheap as those in September, still average around $1,157.

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.

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 $1,314 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 $1,087 on momondo.

Can stopping save me money on Boston to Kolkata flights?

You could potentially save up to 38% 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 December 2025, prices for Boston to Kolkata flights are approximately 31% 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

Fastest flight time

22h 30m

Direct flights

None
The fastest flight from Boston to Kolkata takes 22h 30m
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 22h 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
6.8
510 reviews
Search IndiGo flights
American AirlinesPriceFrom $899Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
Qatar AirwaysPriceFrom $971Free CancellationRating
7.4
3,686 reviews
Search Qatar Airways flights
Etihad AirwaysPriceFrom $994Free CancellationRating
7.4
1,333 reviews
Search Etihad Airways flights
EmiratesPriceFrom $1,248Free CancellationRating
8.1
3,440 reviews
Search Emirates 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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