$398+ Cheap flights from Boston (BOS) to Kolkata (CCU)
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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CCU
May 24 — May 311
Round-trip
1 adult, Economy
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Cheapest flights from Boston to KolkataExplore the most affordable flight options available from Boston to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.
Explore the most affordable flight options available from Boston to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.
This oojo deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:20 pm
BOS
- CCU
1 stop20h 20m
Etihad Airways
Tue 6/24:10 am
CCU
- BOS
1 stop20h 00m
Etihad Airways
Deal found 4/20![Etihad Airways logo]()
$825
This oojo deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:25 pm
BOS
- CCU
1 stop25h 05m
Etihad Airways
Mon 11/168:55 pm
CCU
- BOS
1 stop27h 45m
Etihad Airways
Deal found 4/19![Etihad Airways logo]()
$853
This Justfly.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:25 pm
BOS
- CCU
1 stop25h 05m
Etihad Airways
Fri 9/259:30 pm
CCU
- BOS
1 stop26h 40m
Etihad Airways
Deal found 4/20![Etihad Airways logo]()
$855
This KAYAK deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:40 pm
BOS
- CCU
1 stop17h 50m
Etihad Airways
Thu 12/33:35 am
CCU
- BOS
1 stop21h 05m
Etihad Airways
Deal found 4/19![Etihad Airways logo]()
$868
This Indian Eagle deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:25 pm
BOS
- CCU
1 stop25h 05m
Etihad Airways
Mon 6/159:30 pm
CCU
- BOS
1 stop26h 40m
Etihad Airways
Deal found 4/22![Etihad Airways logo]()
$870
This Justfly.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:40 pm
BOS
- CCU
1 stop17h 50m
Etihad Airways
Sat 12/53:35 am
CCU
- BOS
1 stop21h 05m
Etihad Airways
Deal found 4/19![Etihad Airways logo]()
$891
This Justfly.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:25 pm
BOS
- CCU
1 stop25h 05m
Etihad Airways
Tue 9/294:10 am
CCU
- BOS
1 stop20h 00m
Etihad Airways
Deal found 4/21![Etihad Airways logo]()
$901
This Indian Eagle deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:05 pm
BOS
- CCU
1 stop19h 20m
Qatar Airways
Sun 12/63:25 am
CCU
- BOS
1 stop21h 25m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$903
This KAYAK deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:40 pm
BOS
- CCU
1 stop17h 50m
Etihad Airways
Sat 12/58:55 pm
CCU
- BOS
1 stop27h 45m
Etihad Airways
Deal found 4/19![Etihad Airways logo]()
$908
This KAYAK deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:25 pm
BOS
- CCU
1 stop18h 35m
Etihad Airways
Tue 6/164:10 am
CCU
- BOS
1 stop20h 00m
Etihad Airways
Deal found 4/23![Etihad Airways logo]()
$918
This deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:00 pm
BOS
- CCU
1 stop19h 00m
Qatar Airways
Fri 9/254:00 am
CCU
- BOS
1 stop20h 45m
Qatar Airways
Deal found 4/19![Qatar Airways logo]()
$922
Best flights from Boston to KolkataDiscover carefully curated flight deals from Boston to Kolkata that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2026.
Discover carefully curated flight deals from Boston to Kolkata that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2026.
This Etihad Airways deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:00 am
BOS
- CCU
2 stops27h 00m
Multiple Airlines
Tue 5/194:10 am
CCU
- BOS
1 stop20h 00m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,173
This Emirates deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:05 pm
BOS
- CCU
1 stop23h 35m
Emirates
Wed 6/178:55 pm
CCU
- BOS
1 stop26h 45m
Emirates
Deal found 4/22![Emirates logo]()
$1,294
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:04 pm
BOS
- CCU
2 stops31h 26m
American Airlines
Thu 9/35:30 pm
CCU
- BOS
2 stops25h 35m
American Airlines
Deal found 4/21![American Airlines logo]()
$1,335
This Emirates deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:05 pm
BOS
- CCU
1 stop23h 35m
Emirates
Thu 6/119:50 am
CCU
- BOS
1 stop37h 50m
Emirates
Deal found 4/22![Emirates logo]()
$1,294
This FlightHub deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:00 pm
BOS
- CCU
1 stop19h 00m
Multiple Airlines
Thu 9/34:10 pm
CCU
- BOS
2 stops32h 35m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,336
This Emirates deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:05 pm
BOS
- CCU
1 stop23h 35m
Emirates
Sun 6/148:55 pm
CCU
- BOS
1 stop26h 45m
Emirates
Deal found 4/22![Emirates logo]()
$1,344
This Emirates deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:05 pm
BOS
- CCU
1 stop23h 35m
Emirates
Fri 6/128:55 pm
CCU
- BOS
1 stop26h 45m
Emirates
Deal found 4/23![Emirates logo]()
$1,395
This Emirates deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:05 pm
BOS
- CCU
1 stop23h 35m
Emirates
Sat 6/139:50 am
CCU
- BOS
1 stop37h 50m
Emirates
Deal found 4/23![Emirates logo]()
$1,395
This Emirates deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:05 pm
BOS
- CCU
1 stop34h 40m
Emirates
Tue 6/169:50 am
CCU
- BOS
1 stop37h 50m
Emirates
Deal found 4/23![Emirates logo]()
$1,395
This Emirates deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:05 pm
BOS
- CCU
1 stop23h 35m
Emirates
Thu 6/119:50 am
CCU
- BOS
1 stop37h 50m
Emirates
Deal found 4/23![Emirates logo]()
$1,395
This Emirates deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3011:05 pm
BOS
- CCU
1 stop23h 35m
Emirates
Thu 6/119:50 am
CCU
- BOS
1 stop37h 50m
Emirates
Deal found 4/23![Emirates logo]()
$1,395
Last-minute flights from Boston to KolkataDiscover last-minute flight deals from Boston to Kolkata. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Kolkata. Data last updated April 24, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:20 pm
BOS
- CCU
1 stop20h 20m
Etihad Airways
Tue 6/24:10 am
CCU
- BOS
1 stop20h 00m
Etihad Airways
Deal found 4/20![Etihad Airways logo]()
$825
This Mytrip deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:20 pm
BOS
- CCU
1 stop20h 20m
Multiple Airlines
Tue 6/25:45 pm
CCU
- BOS
3 stops30h 25m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,095
This Indian Eagle deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/303:07 pm
BOS
- CCU
2 stops25h 53m
Qatar Airways
Tue 5/194:00 am
CCU
- BOS
2 stops37h 30m
Qatar Airways
Deal found 4/22![Qatar Airways logo]()
$1,057
This Expedia deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:45 am
BOS
- CCU
2 stops30h 55m
Multiple Airlines
Sun 5/319:30 pm
CCU
- BOS
1 stop26h 40m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,160
This Etihad Airways deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:00 am
BOS
- CCU
2 stops27h 00m
Multiple Airlines
Tue 5/194:10 am
CCU
- BOS
1 stop20h 00m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,173
This Trip.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:25 pm
BOS
- CCU
2 stops23h 50m
Multiple Airlines
Fri 5/152:00 pm
CCU
- BOS
2 stops34h 10m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,060
This Indian Eagle deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:40 am
BOS
- CCU
2 stops29h 20m
Qatar Airways
Mon 5/114:00 am
CCU
- BOS
2 stops40h 04m
Qatar Airways
Deal found 4/21![Qatar Airways logo]()
$1,154
This Indian Eagle deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:05 pm
BOS
- CCU
1 stop23h 35m
Emirates
Fri 5/159:50 am
CCU
- BOS
1 stop37h 50m
Emirates
Deal found 4/20![Emirates logo]()
$1,206
One-way flights from Boston to KolkataSearch for one-way flight options from Boston to Kolkata. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
Search for one-way flight options from Boston to Kolkata. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This Trip.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/224:25 pm
BOS
- CCU
2 stops41h 20m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$398
This Trip.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/64:25 pm
BOS
- CCU
2 stops47h 50m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$400
This Trip.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:25 pm
BOS
- CCU
2 stops27h 05m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$449
This FlightHub deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:45 am
BOS
- CCU
2 stops23h 40m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:20 pm
BOS
- CCU
1 stop37h 40m
Etihad Airways
Deal found 4/21![Etihad Airways logo]()
$508
This KLM deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:10 pm
BOS
- CCU
2 stops29h 35m
KLM
Deal found 4/20![KLM logo]()
$544
This Indian Eagle deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:50 pm
BOS
- CCU
2 stops28h 30m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$555
This Indian Eagle deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:50 pm
BOS
- CCU
2 stops26h 30m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$556
This Indian Eagle deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:50 pm
BOS
- CCU
2 stops36h 35m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$557
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/194:25 pm
BOS
- CCU
2 stops22h 25m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$593
Find flight deals from Boston to Kolkata
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Kolkata (CCU). 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 April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $853 (oojo) |
One-way from | $398 (Trip.com) |
Popular in | December |
Cheapest in | January |
Average price | $1,082 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 24, 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
Cheapest round-trip
Quickest round-trip
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Thu 4/30
8:00 am-8:30 pm
2 stops27h 00m
Kolkata Netaji S. Chandra
Tue 5/19
4:10 am-2:40 pm
1 stop20h 00m
$1,173
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Mon 6/1
11:05 pm-8:10 am
1 stop23h 35m
Kolkata Netaji S. Chandra
Wed 6/17
8:55 pm-2:10 pm
1 stop26h 45m
$1,294
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Tue 6/2
11:05 pm-8:10 am
1 stop23h 35m
Kolkata Netaji S. Chandra
Thu 6/11
9:50 am-2:10 pm
1 stop37h 50m
$1,294
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Wed 7/8
12:04 pm-5:00 am
2 stops31h 26m
Kolkata Netaji S. Chandra
Thu 9/3
5:30 pm-9:35 am
2 stops25h 35m
$1,335
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Wed 7/8
10:00 pm-2:30 am
1 stop19h 00m
Kolkata Netaji S. Chandra
Thu 9/3
4:10 pm-3:15 pm
2 stops32h 35m
$1,336
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Mon 6/1
11:05 pm-8:10 am
1 stop23h 35m
Kolkata Netaji S. Chandra
Sun 6/14
8:55 pm-2:10 pm
1 stop26h 45m
$1,344
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Fri 5/29
11:05 pm-8:10 am
1 stop23h 35m
Kolkata Netaji S. Chandra
Fri 6/12
8:55 pm-2:10 pm
1 stop26h 45m
$1,395
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Tue 6/2
11:05 pm-8:10 am
1 stop23h 35m
Kolkata Netaji S. Chandra
Sat 6/13
9:50 am-2:10 pm
1 stop37h 50m
$1,395
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Fri 5/29
11:05 pm-7:15 pm
1 stop34h 40m
Kolkata Netaji S. Chandra
Tue 6/16
9:50 am-2:10 pm
1 stop37h 50m
$1,395
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Fri 5/29
11:05 pm-8:10 am
1 stop23h 35m
Kolkata Netaji S. Chandra
Thu 6/11
9:50 am-2:10 pm
1 stop37h 50m
$1,395
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Boston to Kolkata
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Kolkata in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Boston-Kolkata flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Kolkata flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Kolkata flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Kolkata flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Kolkata flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to Kolkata
Have a flexible travel schedule? Discover the best time to fly to Kolkata from Boston with our price prediction graph.
BOS-CCU
Estimated round-trip 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 Boston to Kolkata
How far ahead should I book a flight from Boston to Kolkata?
Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Kolkata. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Boston to Kolkata?
Currently, January is the cheapest month in which you can book a flight from Boston to Kolkata (average of $1,052). Flying from Boston to Kolkata in December is currently the most expensive (average of $1,702). 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.
How much does it cost to fly round-trip from Boston to Kolkata?
Reviews of airlines servicing Kolkata
Get insights into the airlines that provide service to Kolkata. 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 Kolkata. Reviews last updated April 24, 2026.
Read reviews from past customers who have flown Emirates,SWISS, andQatar Airways from Boston to Kolkata. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.9
Comfort
8.0
Boarding
8.1
Crew
8.3
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Food
7.9
Comfort
8.0
Boarding
8.1
Crew
8.3
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Food
7.9
Comfort
8.0
Boarding
8.1
Crew
8.3
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Food
7.9
Comfort
8.0
Boarding
8.1
Crew
8.3
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Food
7.9
Comfort
8.0
Boarding
8.1
Crew
8.3
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Food
7.9
Comfort
8.0
Boarding
8.1
Crew
8.3
Entertainment
8.2
Overall
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Related info for your journey
Find useful and relevant information for your journey from Boston to Kolkata. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Other flights to Kolkata
Explore flights to Kolkata departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 24, 2026.
Boston and Kolkata flights
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Top 6 airlines flying from Boston to Kolkata
Discover the top 6 airlines that operate flights from Boston to Kolkata. 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 2,558,603 searches. Data last updated April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$439 | Average$1,164 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$899 | Average$1,267 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$935 | Average$1,182 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$949 | Average$1,274 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,248 | Average$1,335 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,359 | Average$1,790 | FlexibilityNo cancel fee | On-time79% |