$400 - Flight tickets from Boston(BOS) to Kolkata(CCU)
08:00 PM on Jan 16, 2026 BOS
2 Stops {IST | BOM} | Trip Duration: 29 hr 55 min
12:25 PM on Jan 18, 2026 CCU
Flight 4738 operated by IndiGo Turkish Airlines 82 / 720 / 4738
Book flights from BOS to CCU at 08:00 PM with Turkish Airlines on Jan 16, 2026
$400
Hurry! Only 0 seats left at this fare
08:00 PM on Jan 16, 2026 BOS
2 Stops {IST | BOM} | Trip Duration: 34 hr 20 min
04:50 PM on Jan 18, 2026 CCU
Turkish Airlines 82 / 720 | Air India 2773
Book flights from BOS to CCU at 08:00 PM with Turkish Airlines on Jan 16, 2026
$746.20
Hurry! Only 0 seats left at this fare
08:00 PM on Jan 16, 2026 BOS
2 Stops {IST | DEL} | Trip Duration: 28 hr 40 min
11:10 AM on Jan 18, 2026 CCU
Flight 4651 operated by IndiGo | Flight 4700 operated by IndiGo Turkish Airlines 82 / 4651 / 4700
Book flights from BOS to CCU at 08:00 PM with Turkish Airlines on Jan 16, 2026
$790.30
Hurry! Only 0 seats left at this fare
08:00 PM on Jan 16, 2026 BOS
2 Stops {IST | DEL} | Trip Duration: 26 hr 10 min
08:40 AM on Jan 18, 2026 CCU
Flight 4651 operated by IndiGo Turkish Airlines 82 / 4651 | Air India 2535
Book flights from BOS to CCU at 08:00 PM with Turkish Airlines on Jan 16, 2026
$935.70
Hurry! Only 0 seats left at this fare
08:10 PM on Jan 16, 2026 BOS
2 Stops {JFK | DOH} | Trip Duration: 43 hr 15 min
01:55 AM on Jan 19, 2026 CCU
Flight 3821 operated by JetBlue Airways Qatar Airways 3821 / 706 / 540
Book flights from BOS to CCU at 08:10 PM with Qatar Airways on Jan 16, 2026
$942.20
Hurry! Only 1 seat left at this fare
08:10 PM on Jan 16, 2026 BOS
2 Stops {JFK | DOH} | Trip Duration: 43 hr 15 min
01:55 AM on Jan 19, 2026 CCU
Flight 3821 operated by JetBlue Airways Qatar Airways 3821 / 702 / 540
Book flights from BOS to CCU at 08:10 PM with Qatar Airways on Jan 16, 2026
$1008.20
Hurry! Only 1 seat left at this fare
08:10 PM on Jan 16, 2026 BOS
2 Stops {JFK | DOH} | Trip Duration: 43 hr 15 min
01:55 AM on Jan 19, 2026 CCU
Flight 3821 operated by JetBlue Airways Qatar Airways 3821 / 704 / 540
Book flights from BOS to CCU at 08:10 PM with Qatar Airways on Jan 16, 2026
$1074.30
Hurry! Only 1 seat left at this fare
08:40 PM on Jan 16, 2026 BOS
2 Stops {DOH | DEL} | Trip Duration: 25 hr 30 min
08:40 AM on Jan 18, 2026 CCU
Qatar Airways 744 / 578 | Air India 2535
Book flights from BOS to CCU at 08:40 PM with Qatar Airways on Jan 16, 2026
$1083.67
10:10 PM on Jan 16, 2026 BOS
1 Stop {DXB} | Trip Duration: 39 hr 45 min
12:25 AM on Jan 19, 2026 CCU
Flight 2260 operated by Flydubai Emirates 238 / 2260
Book flights from BOS to CCU at 10:10 PM with Emirates on Jan 16, 2026
$1086.27
12:45 PM on Jan 16, 2026 BOS
2 Stops {ORD | DXB} | Trip Duration: 32 hr 25 min
07:40 AM on Jan 18, 2026 CCU
Flight 6022 operated by United Airlines Emirates 6022 / 236 / 570
Book flights from BOS to CCU at 12:45 PM with Emirates on Jan 16, 2026
$1180.20
Hurry! Only 4 seats left at this fare
11:42 AM on Jan 16, 2026 BOS
2 Stops {IAH | DXB} | Trip Duration: 33 hr 28 min
07:40 AM on Jan 18, 2026 CCU
Flight 6021 operated by United Airlines Emirates 6021 / 212 / 570
Book flights from BOS to CCU at 11:42 AM with Emirates on Jan 16, 2026
$1526.20
Hurry! Only 4 seats left at this fare
06:00 AM on Jan 16, 2026 BOS
2 Stops {EWR | BOM} | Trip Duration: 27 hr 25 min
07:55 PM on Jan 17, 2026 CCU
United Airlines 1833 | Air India 144 / 2481
Book flights from BOS to CCU at 06:00 AM with Air India on Jan 16, 2026
$1563.20
03:40 PM on Jan 16, 2026 BOS
1 Stop {AUH} | Trip Duration: 24 hr 30 min
02:40 AM on Jan 18, 2026 CCU
Etihad Airways 8 / 220
Book flights from BOS to CCU at 03:40 PM with Etihad Airways on Jan 16, 2026
$1579.80
09:15 AM on Jan 16, 2026 BOS
2 Stops {LAX | SIN} | Trip Duration: 50 hr 40 min
10:25 PM on Jan 18, 2026 CCU
Flight 1535 operated by JetBlue Airways Singapore Airlines 1535 / 37 / 516
Book flights from BOS to CCU at 09:15 AM with Singapore Airlines on Jan 16, 2026
$1893.35
Hurry! Only 4 seats left at this fare
09:15 AM on Jan 16, 2026 BOS
3 Stops {LAX | NRT | SIN} | Trip Duration: 74 hr 40 min
10:25 PM on Jan 19, 2026 CCU
Flight 1535 operated by JetBlue Airways Singapore Airlines 1535 / 11 / 516
Book flights from BOS to CCU at 09:15 AM with Singapore Airlines on Jan 16, 2026
$1973.60
Hurry! Only 4 seats left at this fare
10:41 AM on Jan 16, 2026 BOS
3 Stops {JFK | FRA | SIN} | Trip Duration: 49 hr 14 min
10:25 PM on Jan 18, 2026 CCU
Flight 1453 operated by JetBlue Airways Singapore Airlines 1453 / 25 / 516
Book flights from BOS to CCU at 10:41 AM with Singapore Airlines on Jan 16, 2026
$2596.80
Hurry! Only 4 seats left at this fare
09:15 AM on Jan 16, 2026 BOS
2 Stops {LAX | SIN} | Trip Duration: 50 hr 40 min
10:25 PM on Jan 18, 2026 CCU
Flight 1535 operated by JetBlue Airways Singapore Airlines 1535 / 35 / 516
Book flights from BOS to CCU at 09:15 AM with Singapore Airlines on Jan 16, 2026
$8165.00
Hurry! Only 4 seats left at this fare
08:40 PM on Jan 16, 2026 BOS
2 Stops {MUC | DEL} | Trip Duration: 28 hr 35 min
11:45 AM on Jan 18, 2026 CCU
Lufthansa 425 / 762 | Air India 1791
Book flights from BOS to CCU at 08:40 PM with Lufthansa on Jan 16, 2026
$8862.40
11:00 AM on Jan 16, 2026 BOS
2 Stops {ICN | BKK} | Trip Duration: 27 hr 10 min
12:40 AM on Jan 18, 2026 CCU
Korean Air 92 | Asiana Airlines 741 | Thai Airways International 313
Book flights from BOS to CCU at 11:00 AM with Korean Air on Jan 16, 2026
$8869.30
Hurry! Only 1 seat left at this fare
10:10 PM on Jan 16, 2026 BOS
2 Stops {ZRH | DEL} | Trip Duration: 24 hr 00 min
08:40 AM on Jan 18, 2026 CCU
Flight 9858 operated by Air India SWISS 53 / 146 / 9858
Book flights from BOS to CCU at 10:10 PM with SWISS on Jan 16, 2026
$8934.60
Hurry! Only 4 seats left at this fare
10:10 PM on Jan 16, 2026 BOS
2 Stops {ZRH | DEL} | Trip Duration: 24 hr 00 min
08:40 AM on Jan 18, 2026 CCU
SWISS 53 / 146 | Air India 2535
Book flights from BOS to CCU at 10:10 PM with SWISS on Jan 16, 2026
$9021.20
12:30 AM on Jan 16, 2026 BOS
2 Stops {HKG | DEL} | Trip Duration: 33 hr 15 min
08:15 PM on Jan 17, 2026 CCU
Cathay Pacific 811 | Air India 315 / 2403
Book flights from BOS to CCU at 12:30 AM with Cathay Pacific on Jan 16, 2026
$106447.00
Prices observed in the past 7 days start at 400 for one-way flights and 1094.59 for round trips, for the specified period. Availability and prices are subject to change, and additional terms may apply.
This 'round trip flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOS 03:40 PM Jan 24, 2026
17 hr 50 min 
1 Stop
1 Stop CCU 08:00 PM Jan 25, 2026
CCU 03:35 AM Mar 07, 2026
21 hr 05 min 1 Stop
1 Stop BOS 02:10 PM Mar 07, 2026
$1094.59
Found 18hrs ago
This 'round trip flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOS 08:40 PM Jan 24, 2026
18 hr 45 min 1 Stop
1 Stop CCU 01:55 AM Jan 26, 2026
CCU 03:25 AM Mar 07, 2026
21 hr 00 min 1 Stop
1 Stop BOS 01:55 PM Mar 07, 2026
$1152.99
Found 20hrs ago
This 'round trip flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOS 08:00 PM Jan 24, 2026
31 hr 45 min 2 Stops
2 Stops CCU 02:15 PM Jan 26, 2026
CCU 09:30 PM Mar 07, 2026
30 hr 05 min 2 Stops
2 Stops BOS 07:05 PM Mar 08, 2026
$1197.09
Found 20hrs ago
This 'round trip flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOS 10:10 PM Jan 24, 2026
25 hr 05 min 2 Stops
2 Stops CCU 09:45 AM Jan 26, 2026
CCU 09:15 AM Mar 07, 2026
36 hr 27 min 2 Stops
2 Stops BOS 12:12 PM Mar 08, 2026
$1234.89
Found 18hrs ago
This 'one-way flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOS 08:00 PM Jan 16, 2026
29 hr 55 min 2 Stops
2 Stops CCU 12:25 PM Jan 18, 2026
$400
Found 18hrs ago
This 'one-way flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOS 10:10 PM Jan 16, 2026
39 hr 45 min 1 Stop
1 Stop CCU 12:25 AM Jan 19, 2026
$935.70
Found 20hrs ago
This 'one-way flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOS 06:00 AM Jan 16, 2026
27 hr 25 min 2 Stops
2 Stops CCU 07:55 PM Jan 17, 2026
$1008.20
Found 20hrs ago
This 'one-way flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOS 08:10 PM Jan 16, 2026
43 hr 15 min 2 Stops
2 Stops CCU 01:55 AM Jan 19, 2026
$1074.30
Found 18hrs ago
This 'multi-city flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOS 10:10 PM Dec 19, 2025
12 hr 10 min Non Stop
Non Stop DXB 07:20 PM Dec 20, 2025
DXB 01:15 PM Dec 24, 2025
04 hr 05 min Non Stop
Non Stop CCU 06:50 PM Dec 24, 2025
$2581.90
Found 18hrs ago
This 'multi-city flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOS 08:00 PM Dec 19, 2025
22 hr 10 min 1 Stop
1 Stop DXB 03:10 AM Dec 21, 2025
DXB 08:30 AM Dec 24, 2025
30 hr 05 min 2 Stops
2 Stops CCU 04:05 PM Dec 25, 2025
$3000.90
Found 20hrs ago
This 'multi-city flight' deal was found by Indian Eagle visitors 20hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOS 12:30 AM Dec 19, 2025
36 hr 35 min 1 Stop
1 Stop DXB 10:05 PM Dec 20, 2025
DXB 06:45 PM Dec 24, 2025
04 hr 10 min Non Stop
Non Stop CCU 12:25 AM Dec 25, 2025
$6481.60
Found 20hrs ago
This 'multi-city flight' deal was found by Indian Eagle visitors 18hrs hours ago. Clicking on the 'Search Now' button will let you select your dates and customize your itinerary. The prices displayed are subject to availability and may change as per the selected travel dates.
BOS 10:35 AM Dec 19, 2025
27 hr 20 min 2 Stops
2 Stops DXB 10:55 PM Dec 20, 2025
DXB 06:45 PM Dec 24, 2025
04 hr 10 min Non Stop
Non Stop CCU 12:25 AM Dec 25, 2025
$7629.50
Found 18hrs ago
Find the Cheapest Day for Flights from BOS to CCU
One-Way flights from BOS to CCU
Round Trip from BOS to CCU
Multi-City Flights from BOS to CCU
Subscribe for the lowest airfare alerts!
Receive exclusive flight deals, lowest airfare alerts, best itineraries & interesting travel ideas in your inboxASK INDIAN EAGLE EXPERT
Find the Best Cheap Flights from Boston to Kolkata
Travel to Kolkata without exceeding your budget with Indian Eagle, one of the leading online flight booking agencies. We help you get the cheapest airfare travel from the USA to your chosen destination. You can experience the ease of travel between Boston and Kolkata with Indian Eagle's uncomplicated booking process and the best customer care support. Indian Eagle makes your trip affordable by providing cheap Boston to Kolkata flights.
You can plan your trip, book cheap BOS to CCU flights with us easily. So that you can experience a memorable and budget-friendly adventure.
Top 5 Must-Do Activities in Kolkata
Here are some of the top things you can do in Kolkata with which you can have an unforgettable travel experience.
- Visit some iconic landmarks that show the great richness of culture and history.
- Walk around the local markets, buy unique souvenirs, try local street food, and also enjoy the local feel of Kolkata.
- Take a nature walk or enjoy nature on scenic walks or hikes.
- Enjoy local cuisine with authentic flavors that will give you the true flavor of Kolkata.
- Discover art and culture through visits to the museums and galleries, thus experiencing local creativity and traditions.
How to Book a Cheap Flight from Boston to Kolkata With Indian Eagle?
Flexible dates need to be selected to get a low fare. Indian Eagle provides the advanced fare calendar. Through this, it enables multiple choices and shows the days when traveling from Boston to Kolkata is affordable. It will simply allow you to alter dates so you can save more by getting cheap flights from BOS to CCU.
Our fare alerts will keep you updated on any changes in prices. Sign up for alerts on your Boston to Kolkata route, and Indian Eagle will let you know when the prices drop. That way, you don't need to check fares every day, we'll tell you when it's time to book for the best price.
Flights with layovers can save a lot of money. Indian Eagle offers you detailed options for layovers on your journey from Boston to Kolkata. If time permits, a one-stop or two-stop flight can be very cost-effective while allowing you to visit another city on the way.
So, what are you waiting for? Start visiting and exploring the attractions of Kolkata. Markets and landmarks are surrounded by delectable food served along with local traditions. Book cheap flights from Boston to Kolkata and discover the treasures in the depths of this place.
Frequently Asked Questions:
When should I book cheap flight tickets from Boston to Kolkata?
The best time to book cheap flight tickets from Boston to Kolkata is 4-6 weeks in advance, when cheaper fares will be available before the peak travel seasons.
How early should I arrive at the airport for my Boston to Kolkata flight?
To ensure a smooth check-in process, it's recommended to arrive at least 3 hours before departure for an international flight.
Do I get a refund if I change my Boston to Kolkata flight after it's been booked?
Changes can be done with charges that are based on the flight's changing policy. You can connect with Indian Eagle's customer service for guidance.
Does Indian Eagle offer last-minute flights from Boston to Kolkata?
Yes, we do provide the cheapest last-minute Boston to Kolkata flights.
Show more questions Show less questions
Popular Searches
International Flights