$469+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CCU
Jul 17 — Jul 241
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 June 17, 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 June 17, 2026.
This Indian Eagle deal was found by Cheapflights users on 6/12. 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 7/284:25 pm
BOS
- CCU
1 stop18h 35m
Etihad Airways
Thu 9/103:50 am
CCU
- BOS
1 stop20h 20m
Etihad Airways
Deal found 6/12![Etihad Airways logo]()
$897
This Indian Eagle deal was found by Cheapflights users on 6/12. 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.
Sun 11/293:40 pm
BOS
- CCU
1 stop17h 50m
Etihad Airways
Wed 12/238:55 pm
CCU
- BOS
1 stop27h 45m
Etihad Airways
Deal found 6/12![Etihad Airways logo]()
$898
This Indian Eagle deal was found by Cheapflights users on 6/14. 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 9/104:25 pm
BOS
- CCU
1 stop18h 35m
Etihad Airways
Mon 9/219:30 pm
CCU
- BOS
1 stop26h 40m
Etihad Airways
Deal found 6/14![Etihad Airways logo]()
$901
This oojo deal was found by Cheapflights users on 6/13. 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.
Tue 9/14:25 pm
BOS
- CCU
1 stop18h 35m
Etihad Airways
Thu 9/243:50 am
CCU
- BOS
1 stop20h 20m
Etihad Airways
Deal found 6/13![Etihad Airways logo]()
$905
This oojo deal was found by Cheapflights users on 6/14. 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.
Tue 9/14:25 pm
BOS
- CCU
1 stop18h 35m
Etihad Airways
Mon 9/213:50 am
CCU
- BOS
1 stop20h 20m
Etihad Airways
Deal found 6/14![Etihad Airways logo]()
$907
This Indian Eagle deal was found by Cheapflights users on 6/12. 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.
Sun 11/89:05 pm
BOS
- CCU
1 stop18h 20m
Qatar Airways
Thu 12/103:25 am
CCU
- BOS
1 stop21h 25m
Qatar Airways
Deal found 6/12![Qatar Airways logo]()
$927
This oojo deal was found by Cheapflights users on 6/12. 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 8/1910:00 pm
BOS
- CCU
1 stop19h 00m
Qatar Airways
Mon 9/144:00 am
CCU
- BOS
1 stop20h 45m
Qatar Airways
Deal found 6/12![Qatar Airways logo]()
$932
This Indian Eagle deal was found by Cheapflights users on 6/16. 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.
Sat 8/14:25 pm
BOS
- CCU
1 stop18h 35m
Etihad Airways
Mon 9/143:50 am
CCU
- BOS
1 stop20h 20m
Etihad Airways
Deal found 6/16![Etihad Airways logo]()
$940
This oojo deal was found by Cheapflights users on 6/16. 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.
Sat 6/2010:00 pm
BOS
- CCU
1 stop19h 00m
Qatar Airways
Mon 6/294:00 am
CCU
- BOS
1 stop20h 45m
Qatar Airways
Deal found 6/16![Qatar Airways logo]()
$955
This Trip.com deal was found by Cheapflights users on 6/13. 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 9/1610:00 pm
BOS
- CCU
1 stop19h 00m
Qatar Airways
Wed 11/113:25 am
CCU
- BOS
1 stop21h 25m
Qatar Airways
Deal found 6/13![Qatar Airways logo]()
$964
This Indian Eagle deal was found by Cheapflights users on 6/12. 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.
Fri 11/139:05 pm
BOS
- CCU
1 stop18h 20m
Qatar Airways
Tue 12/83:25 am
CCU
- BOS
1 stop21h 25m
Qatar Airways
Deal found 6/12![Qatar Airways logo]()
$966
This oojo deal was found by Cheapflights users on 6/15. 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.
Tue 10/1310:00 pm
BOS
- CCU
1 stop19h 00m
Qatar Airways
Sat 10/244:00 am
CCU
- BOS
1 stop20h 45m
Qatar Airways
Deal found 6/15![Qatar Airways logo]()
$967
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 June 17, 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 June 17, 2026.
This Turkish Airlines deal was found by Cheapflights users on 6/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:50 pm
BOS
- CCU
2 stops32h 10m
Turkish Airlines
Wed 7/159:00 pm
CCU
- BOS
2 stops32h 25m
Turkish Airlines
Deal found 6/14![Turkish Airlines logo]()
$1,366
This Etihad Airways deal was found by Cheapflights users on 6/16. 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 7/164:25 pm
BOS
- CCU
1 stop25h 00m
Etihad Airways
Mon 8/33:50 am
CCU
- BOS
1 stop20h 20m
Etihad Airways
Deal found 6/16![Etihad Airways logo]()
$1,378
This Turkish Airlines deal was found by Cheapflights users on 6/12. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:50 pm
BOS
- CCU
2 stops28h 30m
Multiple Airlines
Tue 7/286:45 pm
CCU
- BOS
2 stops34h 40m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$1,444
This Qatar Airways deal was found by Cheapflights users on 6/16. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/184:43 pm
BOS
- CCU
2 stops48h 17m
Qatar Airways
Mon 8/34:00 am
CCU
- BOS
1 stop20h 45m
Qatar Airways
Deal found 6/16![Qatar Airways logo]()
$1,594
This Indian Eagle deal was found by Cheapflights users on 6/14. 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 7/304:25 pm
BOS
- CCU
1 stop18h 35m
Etihad Airways
Sat 8/13:50 am
CCU
- BOS
1 stop20h 20m
Etihad Airways
Deal found 6/14![Etihad Airways logo]()
$1,389
This Turkish Airlines deal was found by Cheapflights users on 6/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:50 pm
BOS
- CCU
2 stops32h 10m
Turkish Airlines
Tue 7/216:45 pm
CCU
- BOS
2 stops34h 40m
Turkish Airlines
Deal found 6/11![Turkish Airlines logo]()
$1,426
This Turkish Airlines deal was found by Cheapflights users on 6/16. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/59:50 pm
BOS
- CCU
2 stops28h 30m
Multiple Airlines
Wed 9/26:45 pm
CCU
- BOS
2 stops34h 40m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,510
This FlightHub deal was found by Cheapflights users on 6/15. 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.
Sun 7/54:25 pm
BOS
- CCU
1 stop25h 00m
Etihad Airways
Wed 9/29:30 pm
CCU
- BOS
1 stop26h 40m
Etihad Airways
Deal found 6/15![Etihad Airways logo]()
$1,394
This Turkish Airlines deal was found by Cheapflights users on 6/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/179:50 pm
BOS
- CCU
2 stops29h 35m
Turkish Airlines
Wed 9/910:30 pm
CCU
- BOS
2 stops30h 55m
Turkish Airlines
Deal found 6/14![Turkish Airlines logo]()
$1,426
This Turkish Airlines deal was found by Cheapflights users on 6/15. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/129:50 pm
BOS
- CCU
2 stops29h 35m
Turkish Airlines
Mon 7/277:15 pm
CCU
- BOS
2 stops34h 10m
Turkish Airlines
Deal found 6/15![Turkish Airlines logo]()
$1,436
This Turkish Airlines deal was found by Cheapflights users on 6/12. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:50 pm
BOS
- CCU
2 stops29h 10m
Turkish Airlines
Mon 7/274:15 pm
CCU
- BOS
2 stops37h 10m
Turkish Airlines
Deal found 6/12![Turkish Airlines logo]()
$1,436
This Turkish Airlines deal was found by Cheapflights users on 6/15. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/59:50 pm
BOS
- CCU
2 stops27h 25m
Turkish Airlines
Wed 9/29:00 pm
CCU
- BOS
2 stops32h 25m
Turkish Airlines
Deal found 6/15![Turkish Airlines logo]()
$1,502
Last-minute flights from Boston to KolkataDiscover last-minute flight deals from Boston to Kolkata. Data last updated June 17, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Kolkata. Data last updated June 17, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 6/13. 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.
Sun 6/2110:00 pm
BOS
- CCU
1 stop19h 00m
Qatar Airways
Mon 6/294:00 am
CCU
- BOS
1 stop20h 45m
Qatar Airways
Deal found 6/13![Qatar Airways logo]()
$1,130
This FlightHub deal was found by Cheapflights users on 6/13. 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.
Sun 6/216:39 pm
BOS
- CCU
2 stops22h 21m
Multiple Airlines
Mon 6/294:00 am
CCU
- BOS
2 stops37h 16m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$1,671
This oojo deal was found by Cheapflights users on 6/14. 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.
Mon 6/2210:00 pm
BOS
- CCU
1 stop19h 00m
Qatar Airways
Tue 6/304:00 am
CCU
- BOS
1 stop20h 45m
Qatar Airways
Deal found 6/14![Qatar Airways logo]()
$1,342
This oojo deal was found by Cheapflights users on 6/14. 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.
Mon 6/227:03 pm
BOS
- CCU
2 stops39h 57m
Etihad Airways
Mon 6/293:50 am
CCU
- BOS
2 stops44h 02m
Etihad Airways
Deal found 6/14![Etihad Airways logo]()
$1,426
This FlightHub deal was found by Cheapflights users on 6/14. 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.
Mon 6/228:43 am
BOS
- CCU
2 stops24h 22m
Multiple Airlines
Tue 6/3010:30 am
CCU
- BOS
3 stops37h 22m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,959
This oojo deal was found by Cheapflights users on 6/16. 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.
Tue 6/232:34 pm
BOS
- CCU
2 stops50h 51m
Etihad Airways
Wed 7/19:30 pm
CCU
- BOS
1 stop26h 40m
Etihad Airways
Deal found 6/16![Etihad Airways logo]()
$1,428
This oojo deal was found by Cheapflights users on 6/16. 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.
Tue 6/2310:00 pm
BOS
- CCU
1 stop19h 00m
Qatar Airways
Wed 7/14:00 am
CCU
- BOS
1 stop20h 45m
Qatar Airways
Deal found 6/16![Qatar Airways logo]()
$1,591
This Expedia deal was found by Cheapflights users on 6/16. 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.
Tue 6/235:15 am
BOS
- CCU
2 stops30h 35m
Multiple Airlines
Wed 7/110:00 pm
CCU
- BOS
3 stops50h 21m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,972
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 June 17, 2026.
Search for one-way flight options from Boston to Kolkata. Find affordable one-way fares based on user searches. Data last updated June 17, 2026.
This Trip.com deal was found by Cheapflights users on 6/15. 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.
Sun 7/264:25 pm
BOS
- CCU
2 stops23h 50m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$469
This Trip.com deal was found by Cheapflights users on 6/12. 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 7/284:25 pm
BOS
- CCU
2 stops23h 50m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$492
This Justfly.com deal was found by Cheapflights users on 6/15. 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.
Mon 8/248:43 am
BOS
- CCU
2 stops24h 22m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$549
This Indian Eagle deal was found by Cheapflights users on 6/12. 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 11/108:00 pm
BOS
- CCU
2 stops35h 55m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$614
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Thu 11/128:00 pm
BOS
- CCU
2 stops36h 45m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$643
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 11/88:00 pm
BOS
- CCU
2 stops27h 20m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$660
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 11/118:00 pm
BOS
- CCU
2 stops27h 25m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$670
This FlightHub deal was found by Cheapflights users on 6/13. 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 7/298:41 am
BOS
- CCU
2 stops27h 09m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$678
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Sat 11/79:00 pm
BOS
- CCU
2 stops26h 25m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$701
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 June 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $897 (Indian Eagle) |
One-way from | $469 (Trip.com) |
Popular in | December |
Cheapest in | January |
Average price | $1,313 |
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 June 17, 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
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Tue 6/30
9:50 pm-3:30 pm
2 stops32h 10m
Kolkata Netaji S. Chandra
Wed 7/15
9:00 pm-7:55 pm
2 stops32h 25m
$1,366
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Thu 7/16
4:25 pm-2:55 am
1 stop25h 00m
Kolkata Netaji S. Chandra
Mon 8/3
3:50 am-2:40 pm
1 stop20h 20m
$1,378
Quickest round-trip
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Thu 7/30
4:25 pm-8:30 pm
1 stop18h 35m
Kolkata Netaji S. Chandra
Sat 8/1
3:50 am-2:40 pm
1 stop20h 20m
$1,389
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Sun 7/5
4:25 pm-2:55 am
1 stop25h 00m
Kolkata Netaji S. Chandra
Wed 9/2
9:30 pm-2:40 pm
1 stop26h 40m
$1,394
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Thu 7/9
9:50 pm-3:30 pm
2 stops32h 10m
Kolkata Netaji S. Chandra
Tue 7/21
6:45 pm-7:55 pm
2 stops34h 40m
$1,426
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Fri 7/17
9:50 pm-12:55 pm
2 stops29h 35m
Kolkata Netaji S. Chandra
Wed 9/9
10:30 pm-7:55 pm
2 stops30h 55m
$1,426
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Sun 7/12
9:50 pm-12:55 pm
2 stops29h 35m
Kolkata Netaji S. Chandra
Mon 7/27
7:15 pm-7:55 pm
2 stops34h 10m
$1,436
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Fri 7/3
9:50 pm-12:30 pm
2 stops29h 10m
Kolkata Netaji S. Chandra
Mon 7/27
4:15 pm-7:55 pm
2 stops37h 10m
$1,436
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Wed 7/8
9:50 pm-11:50 am
2 stops28h 30m
Kolkata Netaji S. Chandra
Tue 7/28
6:45 pm-7:55 pm
2 stops34h 40m
$1,444
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Sun 7/5
9:50 pm-10:45 am
2 stops27h 25m
Kolkata Netaji S. Chandra
Wed 9/2
9:00 pm-7:55 pm
2 stops32h 25m
$1,502
Showing 1-10 of 23 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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | 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 6 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 $1,046). Flying from Boston to Kolkata in December is currently the most expensive (average of $1,712). 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 June 17, 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.
Crew
8.4
Boarding
8.1
Overall
8.1
Comfort
8.0
Entertainment
8.2
Food
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Crew
8.4
Boarding
8.1
Overall
8.1
Comfort
8.0
Entertainment
8.2
Food
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Crew
8.4
Boarding
8.1
Overall
8.1
Comfort
8.0
Entertainment
8.2
Food
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Crew
8.4
Boarding
8.1
Overall
8.1
Comfort
8.0
Entertainment
8.2
Food
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Crew
8.4
Boarding
8.1
Overall
8.1
Comfort
8.0
Entertainment
8.2
Food
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Related info for your journey
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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 June 17, 2026.
Boston and Kolkata flights
Browse other Boston and Kolkata flight options. Last updated on June 17, 2026.
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Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on June 17, 2026.
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Top 4 airlines flying from Boston to Kolkata
Discover the top 4 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 June 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$919 | Average$1,292 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$935 | Average$1,162 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,248 | Average$1,335 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,359 | Average$1,790 | FlexibilityNo cancel fee | On-time79% |