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Cheap flights from Boston to Kolkata from $400

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 4/29. 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.
Etihad Airways Logo
9:20 pm - 3:10 am
BOS
-
CCU
20h 20m
1 stop
Etihad Airways Logo
4:10 am - 2:40 pm
CCU
-
BOS
20h 00m
1 stop
$820Etihad Airways
Wed, Apr 29 - Tue, Jun 2
Etihad Airways Logo
4:25 pm - 3:00 am
BOS
-
CCU
25h 05m
1 stop
Etihad Airways Logo
4:10 am - 2:40 pm
CCU
-
BOS
20h 00m
1 stop
$833Etihad Airways
Wed, Sep 9 - Fri, Sep 25
Etihad Airways Logo
9:20 pm - 3:10 am
BOS
-
CCU
20h 20m
1 stop
Etihad Airways Logo
9:30 pm - 2:40 pm
CCU
-
BOS
26h 40m
1 stop
$931Etihad Airways
Wed, Apr 29 - Fri, May 29
Qatar Airways Logo
10:00 pm - 2:30 am
BOS
-
CCU
19h 00m
1 stop
Qatar Airways Logo
4:00 am - 3:15 pm
CCU
-
BOS
20h 45m
1 stop
$943Qatar Airways
Fri, Oct 9 - Thu, Oct 22
Qatar Airways Logo
10:00 pm - 2:30 am
BOS
-
CCU
19h 00m
1 stop
Qatar Airways Logo
4:00 am - 3:15 pm
CCU
-
BOS
20h 45m
1 stop
$964Qatar Airways
Tue, Oct 13 - Sat, Oct 24
Etihad Airways Logo
4:25 pm - 8:30 pm
BOS
-
CCU
18h 35m
1 stop
Etihad Airways Logo
9:30 pm - 2:40 pm
CCU
-
BOS
26h 40m
1 stop
$965Etihad Airways
Sat, May 2 - Mon, Jun 1
Qatar Airways Logo
10:00 pm - 2:30 am
BOS
-
CCU
19h 00m
1 stop
Qatar Airways Logo
4:00 am - 3:15 pm
CCU
-
BOS
20h 45m
1 stop
$970Qatar Airways
Tue, Oct 13 - Sat, Oct 24
Multiple Airlines Logo
9:50 pm - 4:55 pm
BOS
-
CCU
33h 35m
2 stops
Multiple Airlines Logo
8:35 pm - 7:05 pm
CCU
-
BOS
32h 00m
2 stops
$987Multiple Airlines
Tue, Oct 13 - Sat, Oct 24
Multiple Airlines Logo
9:50 pm - 2:25 pm
BOS
-
CCU
31h 05m
2 stops
Multiple Airlines Logo
7:15 pm - 7:55 pm
CCU
-
BOS
34h 10m
2 stops
$990Multiple Airlines
Wed, Sep 9 - Fri, Sep 25
Etihad Airways Logo
4:25 pm - 8:30 pm
BOS
-
CCU
18h 35m
1 stop
Etihad Airways Logo
4:10 am - 2:40 pm
CCU
-
BOS
20h 00m
1 stop
$1,002Etihad Airways
Tue, Oct 13 - Sat, Oct 24

Qatar Airways flights from Boston to Kolkata

Our best Qatar Airways deals on Boston to Kolkata flight tickets
Qatar Airways
Oct 9
BOS10:00 pmBoston Logan Intl
19h 00m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
Oct 22
CCU4:00 amKolkata Netaji S. Chandra
20h 45m
1 stop
BOS3:15 pmBoston Logan Intl
$943
Qatar Airways
Oct 13
BOS10:00 pmBoston Logan Intl
19h 00m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
Oct 24
CCU4:00 amKolkata Netaji S. Chandra
20h 45m
1 stop
BOS3:15 pmBoston Logan Intl
$964
Qatar Airways
Oct 13
BOS10:00 pmBoston Logan Intl
19h 00m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
Oct 24
CCU4:00 amKolkata Netaji S. Chandra
20h 45m
1 stop
BOS3:15 pmBoston Logan Intl
$970

Etihad Airways flights from Boston to Kolkata

Our best Etihad Airways deals on Boston to Kolkata flight tickets
Etihad Airways
Apr 29
BOS9:20 pmBoston Logan Intl
20h 20m
1 stop
CCU3:10 amKolkata Netaji S. Chandra
Jun 2
CCU4:10 amKolkata Netaji S. Chandra
20h 00m
1 stop
BOS2:40 pmBoston Logan Intl
$820
Etihad Airways
Sep 9
BOS4:25 pmBoston Logan Intl
25h 05m
1 stop
CCU3:00 amKolkata Netaji S. Chandra
Sep 25
CCU4:10 amKolkata Netaji S. Chandra
20h 00m
1 stop
BOS2:40 pmBoston Logan Intl
$833
Etihad Airways
Apr 26
BOS9:20 pmBoston Logan Intl
20h 20m
1 stop
CCU3:10 amKolkata Netaji S. Chandra
May 29
CCU9:30 pmKolkata Netaji S. Chandra
26h 40m
1 stop
BOS2:40 pmBoston Logan Intl
$868

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 April 19, 2026.
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

Cheapest round-trip

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 4/29

9:20 pm-3:10 am

1 stop20h 20m

Kolkata Netaji S. Chandra

Tue 6/2

4:10 am-2:40 pm

1 stop20h 00m

$820

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 9/9

4:25 pm-3:00 am

1 stop25h 05m

Kolkata Netaji S. Chandra

Fri 9/25

4:10 am-2:40 pm

1 stop20h 00m

$833

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 4/29

9:20 pm-3:10 am

1 stop20h 20m

Kolkata Netaji S. Chandra

Fri 5/29

9:30 pm-2:40 pm

1 stop26h 40m

$931

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 10/9

10:00 pm-2:30 am

1 stop19h 00m

Kolkata Netaji S. Chandra

Thu 10/22

4:00 am-3:15 pm

1 stop20h 45m

$943

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 10/13

10:00 pm-2:30 am

1 stop19h 00m

Kolkata Netaji S. Chandra

Sat 10/24

4:00 am-3:15 pm

1 stop20h 45m

$964

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sat 5/2

4:25 pm-8:30 pm

1 stop18h 35m

Kolkata Netaji S. Chandra

Mon 6/1

9:30 pm-2:40 pm

1 stop26h 40m

$965

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 10/13

10:00 pm-2:30 am

1 stop19h 00m

Kolkata Netaji S. Chandra

Sat 10/24

4:00 am-3:15 pm

1 stop20h 45m

$970

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 10/13

9:50 pm-4:55 pm

2 stops33h 35m

Kolkata Netaji S. Chandra

Sat 10/24

8:35 pm-7:05 pm

2 stops32h 00m

$987

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 9/9

9:50 pm-2:25 pm

2 stops31h 05m

Kolkata Netaji S. Chandra

Fri 9/25

7:15 pm-7:55 pm

2 stops34h 10m

$990
Quickest round-trip

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 10/13

4:25 pm-8:30 pm

1 stop18h 35m

Kolkata Netaji S. Chandra

Sat 10/24

4:10 am-2:40 pm

1 stop20h 00m

$1,002

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 January is, on average, the cheapest month to fly to Kolkata from Boston, with most prices found around $1,052. If you aren’t able to travel during the month of January, then book flights to Kolkata from Boston during April instead. Flights to Kolkata in April, while not as cheap as those in January, still average around $1,082.

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 $1,252 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 $1,095 on momondo.

Can stopping save me money on Boston to Kolkata flights?

You could potentially save up to 46% 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 April 2026, prices for Boston to Kolkata flights are approximately 26% 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

18h 35m

Direct flights

None
The fastest flight from Boston to Kolkata takes 18h 35m
There are no direct flights from Boston to Kolkata. There are no popular flight routes from Boston to Kolkata.
Search flight deals

Frequently asked questions about flying 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 35m.

  • 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 $439Free CancellationRating
6.8
551 reviews
Search IndiGo flights
American AirlinesPriceFrom $899Free CancellationRating
7.1
11,622 reviews
Search American Airlines flights
Qatar AirwaysPriceFrom $935Free CancellationRating
7.4
3,730 reviews
Search Qatar Airways flights
Etihad AirwaysPriceFrom $949Free CancellationRating
7.3
1,431 reviews
Search Etihad Airways flights
EmiratesPriceFrom $1,248Free CancellationRating
8.1
3,560 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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