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Cheap flights from Kolkata to Boston from ₹ 47,421

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — BOS
10 Apr — 17 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kolkata to Boston

Enter your travel dates to find the best prices.

Cheapest flights from Kolkata to Boston
Explore the most affordable flight options available from Kolkata to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 March 2026.

Wed 8/421:30
CCU
-
BOS
1 stop26h 40m
Etihad Airways
Tue 14/416:25
BOS
-
CCU
1 stop18h 35m
Etihad Airways
Deal found 10/3₹ 81,149
Tue 19/519:00
CCU
-
BOS
2 stops29h 25m
Multiple Airlines
Thu 8/1017:10
BOS
-
CCU
2 stops26h 50m
Multiple Airlines
Deal found 9/3₹ 82,068
Wed 1/421:30
CCU
-
BOS
1 stop26h 40m
Etihad Airways
Wed 8/416:25
BOS
-
CCU
1 stop25h 05m
Etihad Airways
Deal found 6/3₹ 82,895
Wed 8/421:30
CCU
-
BOS
1 stop26h 40m
Etihad Airways
Wed 15/416:25
BOS
-
CCU
1 stop25h 05m
Etihad Airways
Deal found 8/3₹ 83,171
Wed 25/320:55
CCU
-
BOS
1 stop27h 45m
Etihad Airways
Wed 1/416:25
BOS
-
CCU
1 stop25h 05m
Etihad Airways
Deal found 7/3₹ 83,630
Tue 19/504:10
CCU
-
BOS
1 stop20h 00m
Etihad Airways
Tue 21/716:25
BOS
-
CCU
1 stop18h 35m
Etihad Airways
Deal found 7/3₹ 83,998
Fri 14/822:00
CCU
-
BOS
2 stops32h 50m
Virgin Atlantic
Mon 16/1119:10
BOS
-
CCU
2 stops30h 55m
Virgin Atlantic
Deal found 7/3₹ 85,192
Sun 19/404:10
CCU
-
BOS
1 stop20h 00m
Etihad Airways
Thu 23/416:25
BOS
-
CCU
1 stop18h 35m
Etihad Airways
Deal found 6/3₹ 85,376
Sun 22/320:55
CCU
-
BOS
1 stop27h 45m
Etihad Airways
Wed 1/416:25
BOS
-
CCU
1 stop25h 05m
Etihad Airways
Deal found 9/3₹ 85,468
Tue 19/520:45
CCU
-
BOS
2 stops31h 15m
KLM
Mon 20/717:10
BOS
-
CCU
2 stops28h 50m
KLM
Deal found 7/3₹ 86,111
Mon 23/320:55
CCU
-
BOS
1 stop27h 45m
Etihad Airways
Wed 1/416:25
BOS
-
CCU
1 stop25h 05m
Etihad Airways
Deal found 9/3₹ 86,203

Find flight deals from Kolkata to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Kolkata (CCU) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 March 2026.

Round-trip from

₹ 82,068

One-way from

₹ 47,421

Popular in

January

Cheapest in

February

Average price

₹ 109,270
Air France
  • Air France
  • 19/5-8/10
  • 4 total stops
  • 56h 15m total
  • Kolkata to Boston
Search Deals
31/3
  • 31/3
  • 2 total stops
  • 26h 55m total
  • Kolkata to Boston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (₹ 890,254 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (₹ 479,716 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Kolkata to Boston 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, Cheapflights users made 454,620 searches. Data last updated 11 March 2026.
Use the filters below to find and compare flights from Kolkata to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Sun 24/5

20:45-18:30

2 stops31h 15m

Boston Logan Intl

Thu 9/7

19:05-05:00

2 stops24h 25m

₹ 92,361

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Thu 7/5

09:50-14:10

1 stop37h 50m

Boston Logan Intl

Sun 10/5

23:05-08:10

1 stop23h 35m

₹ 93,647

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Sun 17/5

09:50-14:10

1 stop37h 50m

Boston Logan Intl

Tue 6/10

23:05-08:10

1 stop23h 35m

₹ 93,647

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Thu 7/5

09:50-14:10

1 stop37h 50m

Boston Logan Intl

Mon 11/5

23:05-19:15

1 stop34h 40m

₹ 93,923
Fastest return journey

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Fri 27/3

20:55-15:10

1 stop27h 45m

Boston Logan Intl

Thu 25/6

16:25-03:00

1 stop25h 05m

₹ 96,220

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Sat 23/5

09:50-14:10

1 stop37h 50m

Boston Logan Intl

Sat 17/10

23:05-08:10

1 stop23h 35m

₹ 98,978

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Wed 22/4

17:30-18:48

2 stops34h 48m

Boston Logan Intl

Wed 29/4

11:34-05:00

2 stops31h 56m

₹ 105,778
Cheapest one-way

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Mon 30/3

21:30-14:40

1 stop26h 40m

₹ 47,697

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Wed 25/3

20:55-15:10

1 stop27h 45m

₹ 49,443

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Mon 23/3

20:55-15:10

1 stop27h 45m

₹ 49,443

Flights are sorted by cheapest return flights first.

Deals found on 7/3

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Kolkata to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Kolkata with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kolkata to Boston

What is the cheapest month to book a flight from Kolkata to Boston?

Currently, November is the cheapest month in which you can book a flight from Kolkata to Boston (average of ₹ 71,775). Flying from Kolkata to Boston in January is currently the most expensive (average of ₹ 158,805). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated 11 March 2026.
Get a feel of what it's like to fly with Emirates,Qatar Airways, andEtihad Airways from Kolkata to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,540 reviews
Check prices

Entertainment

8.2

Overall

8.1

Comfort

8.0

Crew

8.3

Boarding

8.1

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.
Emirates
8.1
Very Good
3,540 reviews
Emirates
8.1
Very Good
3,540 reviews
Check prices

Entertainment

8.2

Overall

8.1

Comfort

8.0

Crew

8.3

Boarding

8.1

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.
Qatar Airways
7.4
Good
3,742 reviews
Emirates
8.1
Very Good
3,540 reviews
Check prices

Entertainment

8.2

Overall

8.1

Comfort

8.0

Crew

8.3

Boarding

8.1

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.
Etihad Airways
7.4
Good
1,425 reviews
Emirates
8.1
Very Good
3,540 reviews
Check prices

Entertainment

8.2

Overall

8.1

Comfort

8.0

Crew

8.3

Boarding

8.1

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.

Related info for your journey

Find useful and relevant information for your journey from Kolkata to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kolkata to Boston?

    Emirates can get you from Kolkata to Boston in just under 37h 50m. Your travel time can differ by up to . Kolkata and Boston are separated by a distance of 12476 km.

  • What are the cheapest airlines flying from Kolkata to Boston round-trip?

    Cheapflights users have booked flights from Kolkata to Boston return from ₹ 79,276. Other airlines that can offer you cheap pricing are Qatar Airways, from ₹ 82,640, and Emirates, from ₹ 102,194. Etihad Airways is priced at 21% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Kolkata to Boston that include hotel bookings?

    Yes. In addition to deals on Kolkata to Boston flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Kolkata to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kolkata to Boston.

  • Can I find deals for business class flights from Kolkata to Boston?

    Yes. Cheapflights offers flight deals from Kolkata to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kolkata to Boston?

    Currently, November is the cheapest month in which you can book a flight from Kolkata to Boston (average of ₹ 71,775). Flying from Kolkata to Boston in January is currently the most expensive (average of ₹ 158,805). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Revere
Cambridge
Waltham

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Alternative routes for Kolkata to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Kolkata to Provincetown flights
Kolkata to Worcester flights

Top 3 airlines flying from Kolkata to Boston

Discover the top 3 airlines that operate flights from Kolkata to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 11 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest₹ 79,276Average₹ 91,322FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest₹ 82,640Average₹ 101,114FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest₹ 102,194Average₹ 109,311FlexibilityNo cancel feeOn-time75%
Search Emirates flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Kolkata to Boston?

Cheapflights makes it easy to find Kolkata to Boston flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Kolkata to Boston?

Cheapflights helps you find that perfect flight to Boston from Kolkata by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Kolkata to Boston with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Kolkata to Boston, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Kolkata to Boston become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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