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Cheap flights from Boston to Kolkata from $389

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 1/7. 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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Cheap round-trip flights

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Multiple Airlines Logo
4:30 pm - 5:30 amBOS-CCU
27h 30m3 stops
Multiple Airlines Logo
5:45 pm - 2:55 pmCCU-BOS
30h 40m3 stops
$1,030Multiple Airlines
Find Deal
Fri, May 1 - Sun, May 31
Etihad Airways Logo
4:30 pm - 2:50 amBOS-CCU
24h 50m1 stop
Etihad Airways Logo
3:45 am - 2:55 pmCCU-BOS
20h 40m1 stop
$1,033Etihad Airways
Find Deal
Fri, May 1 - Sat, May 30
Air India Logo
5:10 am - 12:35 amBOS-CCU
32h 55m2 stops
Air India Logo
10:00 pm - 11:58 pmCCU-BOS
36h 28m2 stops
$1,041Air India
Find Deal
Wed, Jan 21 - Sat, Feb 7
Multiple Airlines Logo
4:30 pm - 5:30 amBOS-CCU
27h 30m3 stops
Multiple Airlines Logo
12:30 am - 2:55 pmCCU-BOS
23h 55m2 stops
$1,042Multiple Airlines
Find Deal
Fri, May 1 - Sat, May 30
Multiple Airlines Logo
3:40 pm - 2:30 pmBOS-CCU
36h 20m2 stops
Multiple Airlines Logo
3:35 am - 2:10 pmCCU-BOS
21h 05m1 stop
$1,043Multiple Airlines
Find Deal
Mon, Jan 5 - Mon, Feb 2
Etihad Airways Logo
3:40 pm - 2:40 amBOS-CCU
24h 30m1 stop
Etihad Airways Logo
3:35 am - 2:10 pmCCU-BOS
21h 05m1 stop
$1,044Etihad Airways
Find Deal
Fri, Jan 2 - Mon, Feb 2
Qatar Airways Logo
10:41 am - 1:55 amBOS-CCU
28h 44m2 stops
Qatar Airways Logo
3:25 am - 2:20 pmCCU-BOS
21h 25m1 stop
$1,045Qatar Airways
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Wed, Jan 21 - Fri, Feb 6
Multiple Airlines Logo
3:40 pm - 12:40 amBOS-CCU
22h 30m2 stops
Multiple Airlines Logo
2:05 pm - 2:20 pmCCU-BOS
34h 45m3 stops
$1,046Multiple Airlines
Find Deal
Wed, Jan 7 - Thu, Jan 22
Multiple Airlines Logo
3:40 pm - 8:00 pmBOS-CCU
17h 50m1 stop
Multiple Airlines Logo
10:35 pm - 2:10 pmCCU-BOS
26h 05m2 stops
$1,048Multiple Airlines
Find Deal
Thu, Jan 1 - Mon, Feb 2
Multiple Airlines Logo
3:40 pm - 8:00 pmBOS-CCU
17h 50m1 stop
Multiple Airlines Logo
10:35 pm - 2:10 pmCCU-BOS
26h 05m2 stops
$1,049Multiple Airlines
Find Deal
Thu, Jan 1 - Sun, Feb 1

IndiGo flights from Boston to Kolkata

Our best IndiGo deals on Boston to Kolkata flight tickets
IndiGo
Nov 28
BOS8:00 pmBoston Logan Intl
41h 10m
2 stops
CCU11:40 pmKolkata Netaji S. Chandra
Dec 7
CCU10:30 pmKolkata Netaji S. Chandra
30h 05m
2 stops
BOS6:05 pmBoston Logan Intl
$1,067
Find similar
IndiGo
Dec 4
BOS8:00 pmBoston Logan Intl
34h 40m
2 stops
CCU5:10 pmKolkata Netaji S. Chandra
Dec 21
CCU10:30 pmKolkata Netaji S. Chandra
30h 05m
2 stops
BOS6:05 pmBoston Logan Intl
$1,130
Find similar
IndiGo
Nov 28
BOS8:00 pmBoston Logan Intl
41h 10m
2 stops
CCU11:40 pmKolkata Netaji S. Chandra
Dec 13
CCU7:30 pmKolkata Netaji S. Chandra
33h 05m
2 stops
BOS6:05 pmBoston Logan Intl
$1,132
Find similar

British Airways flights from Boston to Kolkata

Our best British Airways deals on Boston to Kolkata flight tickets
British Airways
Dec 30
BOS7:15 pmBoston Logan Intl
28h 45m
2 stops
CCU10:30 amKolkata Netaji S. Chandra
Feb 3
CCU9:30 pmKolkata Netaji S. Chandra
51h 20m
2 stops
BOS2:20 pmBoston Logan Intl
$1,056
Find similar
British Airways
Feb 18
BOS9:35 pmBoston Logan Intl
26h 25m
2 stops
CCU10:30 amKolkata Netaji S. Chandra
Mar 16
CCU3:15 amKolkata Netaji S. Chandra
53h 10m
2 stops
BOS10:55 pmBoston Logan Intl
$1,057
Find similar
British Airways
Jan 5
BOS7:30 amBoston Logan Intl
40h 30m
2 stops
CCU10:30 amKolkata Netaji S. Chandra
Feb 1
CCU9:30 pmKolkata Netaji S. Chandra
34h 55m
2 stops
BOS9:55 pmBoston Logan Intl
$1,133
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 November 13, 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

Fri 5/1

4:30 pm-5:30 am

3 stops27h 30m

Kolkata Netaji S. Chandra

Sun 5/31

5:45 pm-2:55 pm

3 stops30h 40m

$1,030

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 5/1

4:30 pm-2:50 am

1 stop24h 50m

Kolkata Netaji S. Chandra

Sat 5/30

3:45 am-2:55 pm

1 stop20h 40m

$1,033

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 1/21

5:10 am-12:35 am

2 stops32h 55m

Kolkata Netaji S. Chandra

Sat 2/7

10:00 pm-11:58 pm

2 stops36h 28m

$1,041

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 5/1

4:30 pm-5:30 am

3 stops27h 30m

Kolkata Netaji S. Chandra

Sat 5/30

12:30 am-2:55 pm

2 stops23h 55m

$1,042

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 1/5

3:40 pm-2:30 pm

2 stops36h 20m

Kolkata Netaji S. Chandra

Mon 2/2

3:35 am-2:10 pm

1 stop21h 05m

$1,043

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 1/2

3:40 pm-2:40 am

1 stop24h 30m

Kolkata Netaji S. Chandra

Mon 2/2

3:35 am-2:10 pm

1 stop21h 05m

$1,044

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 1/21

10:41 am-1:55 am

2 stops28h 44m

Kolkata Netaji S. Chandra

Fri 2/6

3:25 am-2:20 pm

1 stop21h 25m

$1,045

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 1/7

3:40 pm-12:40 am

2 stops22h 30m

Kolkata Netaji S. Chandra

Thu 1/22

2:05 pm-2:20 pm

3 stops34h 45m

$1,046

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 1/1

3:40 pm-8:00 pm

1 stop17h 50m

Kolkata Netaji S. Chandra

Mon 2/2

10:35 pm-2:10 pm

2 stops26h 05m

$1,048

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 1/1

3:40 pm-8:00 pm

1 stop17h 50m

Kolkata Netaji S. Chandra

Sun 2/1

10:35 pm-2:10 pm

2 stops26h 05m

$1,049

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 $1,114. 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 $1,303 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 $1,080 on momondo.

Can stopping save me money on Boston to Kolkata flights?

You could potentially save up to 31% on your flight if you consider stops on a Boston to Kolkata flight.

How have Boston to Kolkata flight prices changed over time?

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.
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  • 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 17h 50m.

  • 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
497 reviews
Search IndiGo flights
American AirlinesPriceFrom $899Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
Etihad AirwaysPriceFrom $920Free CancellationRating
7.4
1,296 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $973Free CancellationRating
7.4
3,662 reviews
Search Qatar Airways flights
LufthansaPriceFrom $1,189Free CancellationRating
6.8
7,572 reviews
Search Lufthansa flights
EmiratesPriceFrom $1,235Free CancellationRating
8.1
3,409 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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