$437+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CCU
Aug 31 — Sep 71
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Kolkata with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 August 1, 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 August 1, 2026.
This Indian Eagle deal was found by Cheapflights users on 7/27. 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 8/254:40 pm
BOS
- CCU
1 stop18h 20m
Etihad Airways
Thu 9/243:50 am
CCU
- BOS
1 stop19h 50m
Etihad Airways
Deal found 7/27![Etihad Airways logo]()
$842
This oojo deal was found by Cheapflights users on 7/29. 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.
Thu 8/274:40 pm
BOS
- CCU
1 stop18h 20m
Etihad Airways
Fri 9/119:30 pm
CCU
- BOS
1 stop26h 10m
Etihad Airways
Deal found 7/29![Etihad Airways logo]()
$857
This Indian Eagle deal was found by Cheapflights users on 7/28. 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 10/84:25 pm
BOS
- CCU
1 stop25h 00m
Etihad Airways
Wed 11/49:00 pm
CCU
- BOS
1 stop27h 40m
Etihad Airways
Deal found 7/28![Etihad Airways logo]()
$873
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/234:40 pm
BOS
- CCU
1 stop18h 20m
Etihad Airways
Thu 9/243:50 am
CCU
- BOS
1 stop19h 50m
Etihad Airways
Deal found 7/27![Etihad Airways logo]()
$875
This FlightHub deal was found by Cheapflights users on 7/27. 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 9/64:40 pm
BOS
- CCU
1 stop18h 20m
Etihad Airways
Mon 10/59:30 pm
CCU
- BOS
1 stop26h 40m
Etihad Airways
Deal found 7/27![Etihad Airways logo]()
$879
This Indian Eagle deal was found by Cheapflights users on 7/30. 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 9/210:00 pm
BOS
- CCU
1 stop19h 00m
Qatar Airways
Fri 9/114:00 am
CCU
- BOS
1 stop20h 45m
Qatar Airways
Deal found 7/30![Qatar Airways logo]()
$880
This Indian Eagle deal was found by Cheapflights users on 7/27. 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 8/294:40 pm
BOS
- CCU
1 stop18h 20m
Etihad Airways
Thu 9/243:50 am
CCU
- BOS
1 stop19h 50m
Etihad Airways
Deal found 7/27![Etihad Airways logo]()
$882
This Indian Eagle deal was found by Cheapflights users on 7/27. 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 8/2410:00 pm
BOS
- CCU
1 stop19h 00m
Qatar Airways
Fri 9/254:00 am
CCU
- BOS
1 stop20h 45m
Qatar Airways
Deal found 7/27![Qatar Airways logo]()
$884
This oojo deal was found by Cheapflights users on 7/31. 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 8/254:40 pm
BOS
- CCU
1 stop18h 20m
Etihad Airways
Mon 10/129:30 pm
CCU
- BOS
2 stops27h 00m
Etihad Airways
Deal found 7/31![Etihad Airways logo]()
$885
This oojo deal was found by Cheapflights users on 7/29. 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 10/114:25 pm
BOS
- CCU
1 stop18h 35m
Etihad Airways
Mon 10/199:30 pm
CCU
- BOS
1 stop26h 40m
Etihad Airways
Deal found 7/29![Etihad Airways logo]()
$888
This Etihad Airways deal was found by Cheapflights users on 7/30. 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.
Sun 8/304:40 pm
BOS
- CCU
1 stop18h 20m
Etihad Airways
Fri 9/119:30 pm
CCU
- BOS
1 stop26h 10m
Etihad Airways
Deal found 7/30![Etihad Airways logo]()
$889
This Indian Eagle deal was found by Cheapflights users on 7/30. 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 9/224:40 pm
BOS
- CCU
1 stop18h 20m
Etihad Airways
Wed 10/149:30 pm
CCU
- BOS
1 stop26h 40m
Etihad Airways
Deal found 7/30![Etihad Airways logo]()
$890
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 August 1, 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 August 1, 2026.
This Etihad Airways deal was found by Cheapflights users on 7/31. 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.
Wed 9/234:40 pm
BOS
- CCU
1 stop24h 45m
Etihad Airways
Sun 10/189:30 pm
CCU
- BOS
1 stop26h 40m
Etihad Airways
Deal found 7/31![Etihad Airways logo]()
$977
This Qatar Airways deal was found by Cheapflights users on 7/31. 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.
Sun 11/298:40 pm
BOS
- CCU
1 stop18h 45m
Qatar Airways
Sat 2/133:25 am
CCU
- BOS
1 stop21h 35m
Qatar Airways
Deal found 7/31![Qatar Airways logo]()
$1,027
This Turkish Airlines deal was found by Cheapflights users on 7/27. 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 9/239:50 pm
BOS
- CCU
2 stops27h 25m
Turkish Airlines
Sun 9/279:00 pm
CCU
- BOS
2 stops32h 25m
Turkish Airlines
Deal found 7/27![Turkish Airlines logo]()
$1,065
This KLM deal was found by Cheapflights users on 7/31. 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.
Mon 9/218:25 pm
BOS
- CCU
2 stops28h 40m
KLM
Fri 10/165:00 pm
CCU
- BOS
2 stops29h 45m
KLM
Deal found 7/31![KLM logo]()
$1,110
This Qatar Airways deal was found by Cheapflights users on 7/27. 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.
Tue 9/295:28 pm
BOS
- CCU
2 stops23h 32m
Qatar Airways
Thu 10/293:25 am
CCU
- BOS
1 stop21h 00m
Qatar Airways
Deal found 7/27![Qatar Airways logo]()
$1,096
This Turkish Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 9/199:50 pm
BOS
- CCU
2 stops29h 35m
Turkish Airlines
Mon 10/199:40 pm
CCU
- BOS
2 stops31h 45m
Turkish Airlines
Deal found 7/31![Turkish Airlines logo]()
$1,115
This KLM deal was found by Cheapflights users on 7/31. 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.
Mon 9/217:00 pm
BOS
- CCU
2 stops28h 40m
KLM
Sat 10/176:45 pm
CCU
- BOS
2 stops28h 00m
KLM
Deal found 7/31![KLM logo]()
$1,130
This Etihad Airways deal was found by Cheapflights users on 7/31. 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.
Mon 9/219:46 am
BOS
- CCU
2 stops49h 14m
Etihad Airways
Mon 10/193:50 am
CCU
- BOS
1 stop20h 20m
Etihad Airways
Deal found 7/31![Etihad Airways logo]()
$1,141
This Turkish Airlines deal was found by Cheapflights users on 7/30. 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 11/268:00 pm
BOS
- CCU
2 stops29h 55m
Turkish Airlines
Thu 12/2410:30 pm
CCU
- BOS
2 stops30h 05m
Turkish Airlines
Deal found 7/30![Turkish Airlines logo]()
$1,136
This Qatar Airways deal was found by Cheapflights users on 7/27. 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.
Wed 9/304:11 pm
BOS
- CCU
2 stops48h 49m
Qatar Airways
Sat 10/243:50 am
CCU
- BOS
1 stop20h 35m
Qatar Airways
Deal found 7/27![Qatar Airways logo]()
$1,138
This Etihad Airways deal was found by Cheapflights users on 7/31. 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.
Sun 9/204:11 pm
BOS
- CCU
2 stops25h 14m
Etihad Airways
Wed 10/149:30 pm
CCU
- BOS
1 stop26h 40m
Etihad Airways
Deal found 7/31![Etihad Airways logo]()
$1,141
This Turkish Airlines deal was found by Cheapflights users on 7/27. 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 9/279:50 pm
BOS
- CCU
2 stops29h 35m
Turkish Airlines
Fri 10/309:30 pm
CCU
- BOS
2 stops31h 05m
Turkish Airlines
Deal found 7/27![Turkish Airlines logo]()
$1,141
Last-minute flights from Boston to KolkataDiscover last-minute flight deals from Boston to Kolkata. Data last updated August 1, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Kolkata. Data last updated August 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/234:40 pm
BOS
- CCU
1 stop18h 20m
Etihad Airways
Thu 9/243:50 am
CCU
- BOS
1 stop19h 50m
Etihad Airways
Deal found 7/27![Etihad Airways logo]()
$875
This Indian Eagle deal was found by Cheapflights users on 7/27. 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 8/2410:00 pm
BOS
- CCU
1 stop19h 00m
Qatar Airways
Fri 9/254:00 am
CCU
- BOS
1 stop20h 45m
Qatar Airways
Deal found 7/27![Qatar Airways logo]()
$884
This Indian Eagle deal was found by Cheapflights users on 7/27. 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 8/254:40 pm
BOS
- CCU
1 stop18h 20m
Etihad Airways
Thu 9/243:50 am
CCU
- BOS
1 stop19h 50m
Etihad Airways
Deal found 7/27![Etihad Airways logo]()
$842
This oojo deal was found by Cheapflights users on 7/31. 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 8/254:40 pm
BOS
- CCU
1 stop18h 20m
Etihad Airways
Mon 10/129:30 pm
CCU
- BOS
2 stops27h 00m
Etihad Airways
Deal found 7/31![Etihad Airways logo]()
$885
This oojo deal was found by Cheapflights users on 7/27. 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 8/258:41 am
BOS
- CCU
2 stops26h 19m
Etihad Airways
Mon 9/79:30 pm
CCU
- BOS
2 stops26h 23m
Etihad Airways
Deal found 7/27![Etihad Airways logo]()
$898
This oojo deal was found by Cheapflights users on 7/29. 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.
Thu 8/274:40 pm
BOS
- CCU
1 stop18h 20m
Etihad Airways
Fri 9/119:30 pm
CCU
- BOS
1 stop26h 10m
Etihad Airways
Deal found 7/29![Etihad Airways logo]()
$857
This Indian Eagle deal was found by Cheapflights users on 7/27. 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 8/294:40 pm
BOS
- CCU
1 stop18h 20m
Etihad Airways
Thu 9/243:50 am
CCU
- BOS
1 stop19h 50m
Etihad Airways
Deal found 7/27![Etihad Airways logo]()
$882
This Etihad Airways deal was found by Cheapflights users on 7/30. 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.
Sun 8/304:40 pm
BOS
- CCU
1 stop18h 20m
Etihad Airways
Fri 9/119:30 pm
CCU
- BOS
1 stop26h 10m
Etihad Airways
Deal found 7/30![Etihad Airways logo]()
$889
This Indian Eagle deal was found by Cheapflights users on 7/30. 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 8/3110:00 pm
BOS
- CCU
1 stop19h 00m
Qatar Airways
Fri 9/114:00 am
CCU
- BOS
1 stop20h 45m
Qatar Airways
Deal found 7/30![Qatar Airways logo]()
$890
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 August 1, 2026.
Search for one-way flight options from Boston to Kolkata. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
This Indian Eagle deal was found by Cheapflights users on 7/29. 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 8/64:25 pm
BOS
- CCU
1 stop25h 05m
Etihad Airways
Deal found 7/29![Etihad Airways logo]()
$437
This Indian Eagle deal was found by Cheapflights users on 7/28. 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 8/84:40 pm
BOS
- CCU
1 stop18h 20m
Etihad Airways
Deal found 7/28![Etihad Airways logo]()
$477
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Sun 9/134:40 pm
BOS
- CCU
2 stops22h 10m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$486
This Mytrip deal was found by Cheapflights users on 7/31. 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.
Tue 9/154:40 pm
BOS
- CCU
2 stops22h 10m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$490
This Mytrip deal was found by Cheapflights users on 7/30. 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.
Sun 8/304:40 pm
BOS
- CCU
2 stops22h 10m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$491
This Mytrip deal was found by Cheapflights users on 7/27. 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.
Thu 8/274:40 pm
BOS
- CCU
2 stops23h 35m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$495
This FlightHub deal was found by Cheapflights users on 7/27. 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 9/78:25 am
BOS
- CCU
2 stops30h 25m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$498
This KAYAK deal was found by Cheapflights users on 7/27. 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.
Wed 8/1210:00 pm
BOS
- CCU
1 stop19h 00m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$506
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 8/163:20 pm
BOS
- CCU
2 stops25h 40m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 9/64:40 pm
BOS
- CCU
2 stops23h 35m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$515
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 August 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $842 (Indian Eagle) |
One-way from | $437 (Indian Eagle) |
Popular in | December |
Cheapest in | September |
Average price | $1,262 |
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 August 1, 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
Wed 9/23
4:40 pm-2:55 am
1 stop24h 45m
Kolkata Netaji S. Chandra
Sun 10/18
9:30 pm-2:40 pm
1 stop26h 40m
$977
Quickest round-trip
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Sun 11/29
8:40 pm-1:55 am
1 stop18h 45m
Kolkata Netaji S. Chandra
Sat 2/13
3:25 am-2:30 pm
1 stop21h 35m
$1,027
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Wed 9/23
9:50 pm-10:45 am
2 stops27h 25m
Kolkata Netaji S. Chandra
Sun 9/27
9:00 pm-7:55 pm
2 stops32h 25m
$1,065
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Tue 9/29
5:28 pm-2:30 am
2 stops23h 32m
Kolkata Netaji S. Chandra
Thu 10/29
3:25 am-2:55 pm
1 stop21h 00m
$1,096
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Mon 9/21
8:25 pm-10:35 am
2 stops28h 40m
Kolkata Netaji S. Chandra
Fri 10/16
5:00 pm-1:15 pm
2 stops29h 45m
$1,110
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Sat 9/19
9:50 pm-12:55 pm
2 stops29h 35m
Kolkata Netaji S. Chandra
Mon 10/19
9:40 pm-7:55 pm
2 stops31h 45m
$1,115
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Mon 9/21
7:00 pm-9:10 am
2 stops28h 40m
Kolkata Netaji S. Chandra
Sat 10/17
6:45 pm-1:15 pm
2 stops28h 00m
$1,130
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Thu 11/26
8:00 pm-12:25 pm
2 stops29h 55m
Kolkata Netaji S. Chandra
Thu 12/24
10:30 pm-6:05 pm
2 stops30h 05m
$1,136
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Wed 9/30
4:11 pm-2:30 am
2 stops48h 49m
Kolkata Netaji S. Chandra
Sat 10/24
3:50 am-2:55 pm
1 stop20h 35m
$1,138
BostonKolkata
BOS - CCU
BOSCCU
Boston Logan Intl
Mon 9/21
9:46 am-8:30 pm
2 stops49h 14m
Kolkata Netaji S. Chandra
Mon 10/19
3:50 am-2:40 pm
1 stop20h 20m
$1,141
Showing 1-10 of 22 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 August.
| 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 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 66 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, September is the cheapest month in which you can book a flight from Boston to Kolkata (average of $908). Flying from Boston to Kolkata in December is currently the most expensive (average of $1,688). 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?
Airfare is below average for this route at the moment.
Boston to Kolkata flights typically cost between $961 and $1,474 in August.The cheapest round-trip price found within the last 5 days was $842 on Etihad Airways (Aug 25-Sep 24).
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 August 1, 2026.
Read reviews from past customers who have flown Emirates,KLM, andSWISS 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.
Comfort
8.0
Overall
8.1
Crew
8.4
Entertainment
8.2
Food
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Comfort
8.0
Overall
8.1
Crew
8.4
Entertainment
8.2
Food
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Comfort
8.0
Overall
8.1
Crew
8.4
Entertainment
8.2
Food
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Comfort
8.0
Overall
8.1
Crew
8.4
Entertainment
8.2
Food
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Comfort
8.0
Overall
8.1
Crew
8.4
Entertainment
8.2
Food
7.9
Boarding
8.1
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SFO - DXB
Comfort
8.0
Overall
8.1
Crew
8.4
Entertainment
8.2
Food
7.9
Boarding
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 August 1, 2026.
Boston and Kolkata flights
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Top 5 airlines flying from Boston to Kolkata
Discover the top 5 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 August 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$866 | Average$1,230 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$935 | Average$1,153 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$980 | Average$1,341 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,252 | Average$1,333 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$1,359 | Average$1,790 | FlexibilityNo cancel fee | On-time79% |