Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Kolkata from $432

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 1/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 - 8:10 amBOS-CCU
30h 00m2 stops
Multiple Airlines Logo
8:55 pm - 3:10 pmCCU-BOS
27h 45m1 stop
$1,031Multiple Airlines
Find Deal
Mon, Feb 16 - Wed, Mar 11
Multiple Airlines Logo
3:40 pm - 8:10 amBOS-CCU
30h 00m2 stops
Multiple Airlines Logo
3:35 am - 3:10 pmCCU-BOS
21h 05m1 stop
$1,032Multiple Airlines
Find Deal
Mon, Feb 16 - Mon, Mar 9
Turkish Airlines Logo
8:00 pm - 12:25 pmBOS-CCU
29h 55m2 stops
Turkish Airlines Logo
8:45 pm - 6:05 pmCCU-BOS
31h 50m2 stops
$1,036Turkish Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 28
Multiple Airlines Logo
3:40 pm - 8:10 amBOS-CCU
30h 00m2 stops
Multiple Airlines Logo
3:35 am - 2:10 pmCCU-BOS
21h 05m1 stop
$1,037Multiple Airlines
Find Deal
Wed, Jan 7 - Thu, Jan 29
Etihad Airways Logo
3:40 pm - 8:00 pmBOS-CCU
17h 50m1 stop
Etihad Airways Logo
3:35 am - 2:10 pmCCU-BOS
21h 05m1 stop
$1,038Etihad Airways
Find Deal
Sun, Jan 18 - Mon, Feb 16
Multiple Airlines Logo
3:40 pm - 8:10 amBOS-CCU
30h 00m2 stops
Multiple Airlines Logo
3:35 am - 2:10 pmCCU-BOS
21h 05m1 stop
$1,039Multiple Airlines
Find Deal
Sun, Jan 18 - Sat, Feb 14
Multiple Airlines Logo
3:40 pm - 12:15 amBOS-CCU
22h 05m2 stops
Multiple Airlines Logo
8:55 pm - 2:10 pmCCU-BOS
27h 45m1 stop
$1,040Multiple Airlines
Find Deal
Mon, Jan 12 - Wed, Feb 11
Multiple Airlines Logo
3:40 pm - 7:15 pmBOS-CCU
41h 05m2 stops
Multiple Airlines Logo
3:35 am - 2:10 pmCCU-BOS
21h 05m1 stop
$1,043Multiple Airlines
Find Deal
Sun, Jan 11 - Thu, Jan 29
Multiple Airlines Logo
8:00 pm - 7:55 pmBOS-CCU
37h 25m2 stops
Multiple Airlines Logo
3:00 pm - 2:10 pmCCU-BOS
33h 40m3 stops
$1,044Multiple Airlines
Find Deal
Tue, Dec 2 - Wed, Dec 17
Multiple Airlines Logo
3:40 pm - 8:00 pmBOS-CCU
17h 50m1 stop
Multiple Airlines Logo
8:55 am - 2:10 pmCCU-BOS
39h 45m2 stops
$1,045Multiple Airlines
Find Deal
Thu, Jan 1 - Sun, Feb 15

Qatar Airways flights from Boston to Kolkata

Our best Qatar Airways deals on Boston to Kolkata flight tickets
Qatar Airways
Feb 18
BOS8:40 pmBoston Logan Intl
18h 45m
1 stop
CCU1:55 amKolkata Netaji S. Chandra
Mar 10
CCU3:25 amKolkata Netaji S. Chandra
21h 00m
1 stop
BOS2:55 pmBoston Logan Intl
$1,042
Find similar
Qatar Airways
Jan 18
BOS8:40 pmBoston Logan Intl
18h 45m
1 stop
CCU1:55 amKolkata Netaji S. Chandra
Feb 17
CCU3:25 amKolkata Netaji S. Chandra
21h 25m
1 stop
BOS2:20 pmBoston Logan Intl
$1,055
Find similar
Qatar Airways
Feb 16
BOS8:40 pmBoston Logan Intl
18h 45m
1 stop
CCU1:55 amKolkata Netaji S. Chandra
Mar 9
CCU3:25 amKolkata Netaji S. Chandra
21h 00m
1 stop
BOS2:55 pmBoston Logan Intl
$1,092
Find similar

British Airways flights from Boston to Kolkata

Our best British Airways deals on Boston to Kolkata flight tickets
British Airways
Jan 22
BOS7:15 pmBoston Logan Intl
25h 40m
2 stops
CCU7:25 amKolkata Netaji S. Chandra
Feb 18
CCU9:30 pmKolkata Netaji S. Chandra
52h 55m
2 stops
BOS3:55 pmBoston Logan Intl
$1,056
Find similar
British Airways
Feb 19
BOS7:25 pmBoston Logan Intl
28h 35m
2 stops
CCU10:30 amKolkata Netaji S. Chandra
Mar 8
CCU6:30 pmKolkata Netaji S. Chandra
30h 20m
2 stops
BOS3:20 pmBoston Logan Intl
$1,070
Find similar
British Airways
Jan 17
BOS7:15 pmBoston Logan Intl
28h 45m
2 stops
CCU10:30 amKolkata Netaji S. Chandra
Feb 16
CCU3:15 amKolkata Netaji S. Chandra
45h 35m
2 stops
BOS2:20 pmBoston Logan Intl
$1,091
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 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

Mon 2/16

3:40 pm-8:10 am

2 stops30h 00m

Kolkata Netaji S. Chandra

Wed 3/11

8:55 pm-3:10 pm

1 stop27h 45m

$1,031

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 2/16

3:40 pm-8:10 am

2 stops30h 00m

Kolkata Netaji S. Chandra

Mon 3/9

3:35 am-3:10 pm

1 stop21h 05m

$1,032

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 1/7

8:00 pm-12:25 pm

2 stops29h 55m

Kolkata Netaji S. Chandra

Wed 1/28

8:45 pm-6:05 pm

2 stops31h 50m

$1,036

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 1/7

3:40 pm-8:10 am

2 stops30h 00m

Kolkata Netaji S. Chandra

Thu 1/29

3:35 am-2:10 pm

1 stop21h 05m

$1,037

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 1/18

3:40 pm-8:00 pm

1 stop17h 50m

Kolkata Netaji S. Chandra

Mon 2/16

3:35 am-2:10 pm

1 stop21h 05m

$1,038

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 1/18

3:40 pm-8:10 am

2 stops30h 00m

Kolkata Netaji S. Chandra

Sat 2/14

3:35 am-2:10 pm

1 stop21h 05m

$1,039

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 1/12

3:40 pm-12:15 am

2 stops22h 05m

Kolkata Netaji S. Chandra

Wed 2/11

8:55 pm-2:10 pm

1 stop27h 45m

$1,040

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 1/11

3:40 pm-7:15 pm

2 stops41h 05m

Kolkata Netaji S. Chandra

Thu 1/29

3:35 am-2:10 pm

1 stop21h 05m

$1,043

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 12/2

8:00 pm-7:55 pm

2 stops37h 25m

Kolkata Netaji S. Chandra

Wed 12/17

3:00 pm-2:10 pm

3 stops33h 40m

$1,044

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 1/1

3:40 pm-8:00 pm

1 stop17h 50m

Kolkata Netaji S. Chandra

Sun 2/15

8:55 am-2:10 pm

2 stops39h 45m

$1,045

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $1,303 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?

As of November 2025, prices for Boston to Kolkata flights are approximately 22% 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 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
11,044 reviews
Search American Airlines flights
Etihad AirwaysPriceFrom $920Free CancellationRating
7.4
1,305 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $973Free CancellationRating
7.4
3,664 reviews
Search Qatar Airways flights
LufthansaPriceFrom $1,189Free CancellationRating
6.8
7,576 reviews
Search Lufthansa flights
EmiratesPriceFrom $1,235Free CancellationRating
8.1
3,417 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.

An easier way to manage your Kolkata trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 12/18
Thu 12/25
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to India

Airports servicing West Bengal

Bagdogra Airport