Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Boston to Kolkata from $436

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 8/25. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Kolkata

Cheap round-trip flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
4:40 pm - 8:30 pmBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
18h 20m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
3:50 am - 2:10 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
19h 50m1 stop Abu Dhabi Zayed Intl
$835Etihad Airways
Tue, Sep 1 - Mon, Sep 14
Etihad Airways Logo
4:40 pm - 8:30 pmBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
18h 20m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
3:50 am - 2:10 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
19h 50m1 stop Abu Dhabi Zayed Intl
$835Etihad Airways
Thu, Sep 3 - Mon, Sep 14
Multiple Airlines Logo
10:00 pm - 2:30 amBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
19h 00m1 stop Doha Hamad Intl
Multiple Airlines Logo
4:00 am - 3:15 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
20h 45m1 stop Doha Hamad Intl
$865Multiple Airlines
Mon, Sep 7 - Wed, Sep 16
Qatar Airways Logo
10:00 pm - 2:30 amBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
19h 00m1 stop Doha Hamad Intl
Qatar Airways Logo
4:00 am - 3:15 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
20h 45m1 stop Doha Hamad Intl
$879Qatar Airways
Sun, Aug 30 - Mon, Sep 14
Multiple Airlines Logo
10:00 pm - 2:30 amBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
19h 00m1 stop Doha Hamad Intl
Multiple Airlines Logo
3:25 am - 1:55 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
21h 00m1 stop Doha Hamad Intl
$882Multiple Airlines
Sun, Sep 6 - Sun, Nov 15
Qatar Airways Logo
10:00 pm - 2:30 amBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
19h 00m1 stop Doha Hamad Intl
Qatar Airways Logo
4:00 am - 3:15 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
20h 45m1 stop Doha Hamad Intl
$885Qatar Airways
Mon, Aug 31 - Fri, Sep 18
KLM Logo
8:25 pm - 8:05 amBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
26h 10m2 stops Amsterdam Schiphol Hyderabad Rajiv Gandhi Intl
KLM Logo
10:30 pm - 1:19 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
24h 19m2 stops New Delhi Indira Gandhi Intl Amsterdam Schiphol
$1,111KLM
Mon, Aug 31 - Mon, Sep 14
KLM Logo
8:25 pm - 8:05 amBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
26h 10m2 stops Amsterdam Schiphol Hyderabad Rajiv Gandhi Intl
KLM Logo
9:40 pm - 4:35 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
28h 25m2 stops Mumbai Chhatrapati Shivaji Intl Amsterdam Schiphol
$1,111KLM
Mon, Aug 31 - Tue, Sep 15
Emirates Logo
11:05 pm - 7:15 pmBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
34h 40m1 stop Dubai Intl
Emirates Logo
9:50 am - 2:10 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
37h 50m1 stop Dubai Intl
$1,302Emirates
Wed, Sep 9 - Thu, Sep 24
Emirates Logo
11:05 pm - 8:10 amBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
23h 35m1 stop Dubai Intl
Emirates Logo
9:50 am - 2:10 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
37h 50m1 stop Dubai Intl
$1,317Emirates
Wed, Sep 2 - Thu, Sep 17

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

Etihad Airways flights from Boston to Kolkata

Our best Etihad Airways deals on Boston to Kolkata flight tickets
Etihad Airways
Sep 1
BOS4:40 pmBoston Logan Intl
18h 20m
1 stop
CCU8:30 pmKolkata Netaji S. Chandra
Sep 16
CCU9:30 pmKolkata Netaji S. Chandra
26h 10m
1 stop
BOS2:10 pmBoston Logan Intl
$835
Etihad Airways
Sep 3
BOS4:40 pmBoston Logan Intl
18h 20m
1 stop
CCU8:30 pmKolkata Netaji S. Chandra
Sep 14
CCU9:30 pmKolkata Netaji S. Chandra
26h 10m
1 stop
BOS2:10 pmBoston Logan Intl
$837
Etihad Airways
Sep 1
BOS4:40 pmBoston Logan Intl
18h 20m
1 stop
CCU8:30 pmKolkata Netaji S. Chandra
Sep 14
CCU3:50 amKolkata Netaji S. Chandra
19h 50m
1 stop
BOS2:10 pmBoston Logan Intl
$855

Qatar Airways flights from Boston to Kolkata

Our best Qatar Airways deals on Boston to Kolkata flight tickets
Qatar Airways
Aug 30
BOS10:00 pmBoston Logan Intl
19h 00m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
Sep 14
CCU4:00 amKolkata Netaji S. Chandra
20h 45m
1 stop
BOS3:15 pmBoston Logan Intl
$879
Qatar Airways
Aug 31
BOS10:00 pmBoston Logan Intl
19h 00m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
Sep 18
CCU4:00 amKolkata Netaji S. Chandra
20h 45m
1 stop
BOS3:15 pmBoston Logan Intl
$885
Qatar Airways
Jan 13
BOS8:40 pmBoston Logan Intl
18h 45m
1 stop
CCU1:55 amKolkata Netaji S. Chandra
Mar 31
CCU4:00 amKolkata Netaji S. Chandra
20h 45m
1 stop
BOS3:15 pmBoston Logan Intl
$900

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 August 12, 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
Quickest round-trip

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Tue 9/1

4:40 pm-8:30 pm

1 stop18h 20m

Kolkata Netaji S. Chandra

Mon 9/14

3:50 am-2:10 pm

1 stop19h 50m

$835

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Thu 9/3

4:40 pm-8:30 pm

1 stop18h 20m

Kolkata Netaji S. Chandra

Mon 9/14

3:50 am-2:10 pm

1 stop19h 50m

$835

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Mon 9/7

10:00 pm-2:30 am

1 stop19h 00m

Kolkata Netaji S. Chandra

Wed 9/16

4:00 am-3:15 pm

1 stop20h 45m

$865

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Sun 8/30

10:00 pm-2:30 am

1 stop19h 00m

Kolkata Netaji S. Chandra

Mon 9/14

4:00 am-3:15 pm

1 stop20h 45m

$879

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Sun 9/6

10:00 pm-2:30 am

1 stop19h 00m

Kolkata Netaji S. Chandra

Sun 11/15

3:25 am-1:55 pm

1 stop21h 00m

$882

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Mon 8/31

10:00 pm-2:30 am

1 stop19h 00m

Kolkata Netaji S. Chandra

Fri 9/18

4:00 am-3:15 pm

1 stop20h 45m

$885

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Mon 8/31

8:25 pm-8:05 am

2 stops26h 10m

Kolkata Netaji S. Chandra

Mon 9/14

10:30 pm-1:19 pm

2 stops24h 19m

$1,111

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Mon 8/31

8:25 pm-8:05 am

2 stops26h 10m

Kolkata Netaji S. Chandra

Tue 9/15

9:40 pm-4:35 pm

2 stops28h 25m

$1,111

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Wed 9/9

11:05 pm-7:15 pm

1 stop34h 40m

Kolkata Netaji S. Chandra

Thu 9/24

9:50 am-2:10 pm

1 stop37h 50m

$1,302

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Wed 9/2

11:05 pm-8:10 am

1 stop23h 35m

Kolkata Netaji S. Chandra

Thu 9/17

9:50 am-2:10 pm

1 stop37h 50m

$1,317

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?

Prices are currently low for flights on this route.

Typical prices usually range from $975 to $1,341.
The lowest price recently found on this route was $835.

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 $908. If you aren’t able to travel during the month of September, then book flights to Kolkata from Boston during January instead. Flights to Kolkata in January, while not as cheap as those in September, still average around $1,046.

How far in advance should I book a flight from Boston 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 $1,256 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 $925 on momondo.

Can stopping save me money on Boston to Kolkata flights?

You could potentially save up to 33% 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 August 2026, prices for Boston to Kolkata flights are approximately 30% 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

17h 45m

Direct flights

None
The fastest flight from Boston to Kolkata takes 17h 45m
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 17h 45m.

  • 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
Etihad AirwaysPriceFrom $864Free CancellationRating
7.3
1,502 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $935Free CancellationRating
7.4
3,744 reviews
Search Qatar Airways flights
KLMPriceFrom $980Free CancellationRating
7.8
1,557 reviews
Search KLM flights
EmiratesPriceFrom $1,252Free CancellationRating
8.1
3,654 reviews
Search Emirates flights
SWISSPriceFrom $1,359Free CancellationRating
7.5
2,035 reviews
Search SWISS 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
Fri 9/11
Fri 9/18
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