$406+ Cheap flights from Boston (BOS) to Osaka (OSA)
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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — OSA
Mar 13 — Mar 201
1 adult, Economy
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Find cheap flights from Boston to Osaka with Cheapflights
1. Tell us where you want to go
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 OsakaExplore the most affordable flight options available from Boston to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.
Explore the most affordable flight options available from Boston to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.
This oojo deal was found by Cheapflights users on 2/8. 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 3/187:40 pm
BOS
- KIX
2 stops27h 55m
Hainan Airlines
Sat 3/282:35 pm
KIX
- BOS
1 stop39h 05m
Hainan Airlines
Deal found 2/8![Hainan Airlines logo]()
$842
This oojo deal was found by Cheapflights users on 2/9. 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.
Fri 2/206:40 pm
BOS
- KIX
2 stops27h 55m
Hainan Airlines
Thu 2/262:35 pm
KIX
- BOS
1 stop39h 45m
Hainan Airlines
Deal found 2/9![Hainan Airlines logo]()
$857
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Fri 7/106:40 pm
BOS
- KIX
2 stops29h 05m
Hainan Airlines
Sat 7/252:20 pm
KIX
- BOS
1 stop39h 20m
Hainan Airlines
Deal found 2/8![Hainan Airlines logo]()
$868
This oojo deal was found by Cheapflights users on 2/10. 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 8/311:45 am
BOS
- KIX
1 stop24h 25m
Cathay Pacific
Mon 9/145:35 pm
KIX
- BOS
1 stop42h 30m
Cathay Pacific
Deal found 2/10![Cathay Pacific logo]()
$923
This KAYAK deal was found by Cheapflights users on 2/8. 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 7/226:40 pm
BOS
- KIX
2 stops29h 05m
Hainan Airlines
Sat 8/12:20 pm
KIX
- BOS
1 stop39h 20m
Hainan Airlines
Deal found 2/8![Hainan Airlines logo]()
$945
This Cathay Pacific deal was found by Cheapflights users on 2/10. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:45 am
BOS
- KIX
1 stop24h 25m
Cathay Pacific
Thu 10/229:45 am
KIX
- BOS
1 stop26h 20m
Cathay Pacific
Deal found 2/10![Cathay Pacific logo]()
$951
This FlightHub deal was found by Cheapflights users on 2/10. 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 10/111:45 am
BOS
- KIX
1 stop24h 25m
Cathay Pacific
Fri 10/239:45 am
KIX
- BOS
1 stop26h 20m
Cathay Pacific
Deal found 2/10![Cathay Pacific logo]()
$991
This Cathay Pacific deal was found by Cheapflights users on 2/10. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:45 am
BOS
- KIX
1 stop39h 55m
Cathay Pacific
Thu 10/229:05 am
KIX
- BOS
1 stop27h 00m
Cathay Pacific
Deal found 2/10![Cathay Pacific logo]()
$1,001
This Ovago deal was found by Cheapflights users on 2/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:15 am
BOS
- KIX
2 stops41h 45m
Multiple Airlines
Mon 4/201:25 pm
KIX
- BOS
2 stops30h 14m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,006
This FlightHub deal was found by Cheapflights users on 2/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:45 am
BOS
- KIX
1 stop24h 25m
Cathay Pacific
Thu 10/14:15 pm
KIX
- BOS
2 stops43h 50m
Cathay Pacific
Deal found 2/11![Cathay Pacific logo]()
$1,008
This KAYAK deal was found by Cheapflights users on 2/10. 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.
Tue 9/16:32 pm
BOS
- UKB
2 stops26h 58m
Multiple Airlines
Tue 9/811:40 am
UKB
- BOS
2 stops33h 22m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,014
This Air Canada deal was found by Cheapflights users on 2/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/86:15 am
BOS
- ITM
2 stops22h 55m
Air Canada
Thu 2/124:00 pm
ITM
- BOS
2 stops20h 37m
Air Canada
Deal found 2/7![Air Canada logo]()
$1,082
Best flights from Boston to OsakaDiscover carefully curated flight deals from Boston to Osaka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 11, 2026.
Discover carefully curated flight deals from Boston to Osaka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Fri 3/137:40 pm
BOS
- KIX
2 stops27h 55m
Multiple Airlines
Wed 3/258:25 pm
KIX
- BOS
2 stops57h 55m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,107
This Air Canada deal was found by Cheapflights users on 2/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:15 am
BOS
- KIX
2 stops21h 10m
Air Canada
Mon 5/46:00 pm
KIX
- BOS
2 stops28h 45m
Air Canada
Deal found 2/9![Air Canada logo]()
$1,110
This United Airlines deal was found by Cheapflights users on 2/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/213:13 pm
BOS
- ITM
2 stops36h 52m
United Airlines
Wed 7/2912:50 pm
ITM
- BOS
2 stops31h 55m
United Airlines
Deal found 2/8![United Airlines logo]()
$1,250
This KAYAK deal was found by Cheapflights users on 2/10. 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.
Sat 4/188:16 pm
BOS
- KIX
1 stop29h 34m
ANA
Mon 4/274:55 pm
KIX
- BOS
1 stop39h 33m
ANA
Deal found 2/10![ANA logo]()
$1,286
This Korean Air deal was found by Cheapflights users on 2/8. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/712:55 pm
BOS
- UKB
1 stop39h 50m
Korean Air
Tue 4/2111:55 am
UKB
- BOS
1 stop35h 25m
Korean Air
Deal found 2/8![Korean Air logo]()
$1,564
This Priceline deal was found by Cheapflights users on 2/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:40 pm
BOS
- KIX
2 stops27h 55m
Multiple Airlines
Wed 3/1810:55 am
KIX
- BOS
2 stops37h 22m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,146
This Air Canada deal was found by Cheapflights users on 2/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:15 am
BOS
- ITM
2 stops22h 55m
Air Canada
Tue 4/212:00 pm
ITM
- BOS
2 stops37h 52m
Air Canada
Deal found 2/10![Air Canada logo]()
$1,279
This Air Canada deal was found by Cheapflights users on 2/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:15 am
BOS
- KIX
2 stops21h 10m
Multiple Airlines
Fri 4/247:35 am
KIX
- BOS
2 stops39h 21m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$1,166
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:30 am
BOS
- KIX
1 stop20h 20m
United Airlines
Mon 4/274:55 pm
KIX
- BOS
1 stop26h 26m
United Airlines
Deal found 2/9![United Airlines logo]()
$1,294
This United Airlines deal was found by Cheapflights users on 2/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:30 am
BOS
- KIX
1 stop20h 20m
United Airlines
Mon 4/274:55 pm
KIX
- BOS
1 stop26h 26m
United Airlines
Deal found 2/9![United Airlines logo]()
$1,294
This China Airlines deal was found by Cheapflights users on 2/8. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:15 pm
BOS
- KIX
2 stops27h 35m
Multiple Airlines
Sun 5/171:10 pm
KIX
- BOS
2 stops31h 31m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$1,177
This Air Canada deal was found by Cheapflights users on 2/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/55:45 am
BOS
- ITM
2 stops24h 10m
Air Canada
Sat 7/182:00 pm
ITM
- BOS
2 stops20h 27m
Air Canada
Deal found 2/10![Air Canada logo]()
$1,352
This Korean Air deal was found by Cheapflights users on 2/8. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3112:55 pm
BOS
- UKB
1 stop33h 00m
Korean Air
Tue 4/1411:55 am
UKB
- BOS
1 stop35h 25m
Korean Air
Deal found 2/8![Korean Air logo]()
$1,564
This KAYAK deal was found by Cheapflights users on 2/8. 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.
Sat 7/119:30 am
BOS
- UKB
2 stops23h 15m
ANA
Sat 7/257:05 am
UKB
- BOS
2 stops24h 58m
ANA
Deal found 2/8![ANA logo]()
$1,567
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:16 pm
BOS
- KIX
1 stop29h 34m
United Airlines
Sun 4/264:55 pm
KIX
- BOS
2 stops33h 52m
United Airlines
Deal found 2/10![United Airlines logo]()
$1,298
This KAYAK deal was found by Cheapflights users on 2/9. 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 5/144:39 pm
BOS
- UKB
2 stops28h 51m
Multiple Airlines
Tue 5/1911:40 am
UKB
- BOS
2 stops33h 01m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,204
This Air Canada deal was found by Cheapflights users on 2/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:40 am
BOS
- ITM
2 stops19h 15m
Air Canada
Sun 7/122:00 pm
ITM
- BOS
2 stops32h 50m
Air Canada
Deal found 2/9![Air Canada logo]()
$1,411
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:20 pm
BOS
- KIX
2 stops31h 30m
United Airlines
Mon 4/274:55 pm
KIX
- BOS
1 stop26h 26m
United Airlines
Deal found 2/10![United Airlines logo]()
$1,298
This Korean Air deal was found by Cheapflights users on 2/10. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:00 pm
BOS
- UKB
1 stop33h 10m
Korean Air
Tue 3/1711:10 am
UKB
- BOS
1 stop35h 30m
Korean Air
Deal found 2/10![Korean Air logo]()
$1,659
This Gotogate deal was found by Cheapflights users on 2/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:45 am
BOS
- KIX
2 stops26h 15m
Multiple Airlines
Sun 7/56:00 pm
KIX
- BOS
1 stop35h 08m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,268
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:16 pm
BOS
- ITM
2 stops31h 49m
United Airlines
Mon 4/2712:55 pm
ITM
- BOS
2 stops25h 04m
United Airlines
Deal found 2/10![United Airlines logo]()
$1,300
This FlightHub deal was found by Cheapflights users on 2/9. 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 4/2210:40 am
BOS
- ITM
2 stops19h 15m
Air Canada
Mon 4/2712:55 pm
ITM
- BOS
2 stops21h 32m
Air Canada
Deal found 2/9![Air Canada logo]()
$1,470
This Korean Air deal was found by Cheapflights users on 2/8. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/411:00 am
BOS
- UKB
1 stop33h 10m
Korean Air
Wed 3/116:40 pm
UKB
- BOS
1 stop28h 00m
Korean Air
Deal found 2/8![Korean Air logo]()
$1,669
This Gotogate deal was found by Cheapflights users on 2/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:50 am
BOS
- ITM
2 stops24h 05m
Multiple Airlines
Sat 6/272:00 pm
ITM
- BOS
2 stops21h 38m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$1,276
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:00 am
BOS
- ITM
2 stops22h 55m
Multiple Airlines
Fri 2/272:40 pm
ITM
- BOS
2 stops23h 19m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,297
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:05 am
BOS
- ITM
2 stops21h 00m
United Airlines
Mon 4/2712:55 pm
ITM
- BOS
2 stops25h 04m
United Airlines
Deal found 2/10![United Airlines logo]()
$1,500
This United Airlines deal was found by Cheapflights users on 2/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:00 am
BOS
- ITM
2 stops22h 10m
United Airlines
Wed 3/111:00 pm
ITM
- BOS
3 stops23h 57m
United Airlines
Deal found 2/8![United Airlines logo]()
$1,550
This Air Canada deal was found by Cheapflights users on 2/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:15 am
BOS
- ITM
2 stops23h 55m
Multiple Airlines
Wed 3/182:30 pm
ITM
- BOS
2 stops21h 07m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,425
This Gotogate deal was found by Cheapflights users on 2/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:30 am
BOS
- UKB
2 stops37h 30m
Multiple Airlines
Sun 3/229:15 pm
UKB
- BOS
2 stops49h 17m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,494
This KAYAK deal was found by Cheapflights users on 2/10. 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.
Fri 5/84:33 pm
BOS
- UKB
2 stops28h 57m
Multiple Airlines
Sun 5/1711:40 am
UKB
- BOS
2 stops33h 01m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,636
Last-minute flights from Boston to OsakaDiscover last-minute flight deals from Boston to Osaka. Data last updated February 11, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Osaka. Data last updated February 11, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 2/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/194:35 pm
BOS
- KIX
2 stops36h 50m
Multiple Airlines
Thu 2/263:00 pm
KIX
- BOS
2 stops21h 37m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$1,187
This oojo deal was found by Cheapflights users on 2/9. 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.
Fri 2/206:40 pm
BOS
- KIX
2 stops27h 55m
Hainan Airlines
Thu 2/262:35 pm
KIX
- BOS
1 stop39h 45m
Hainan Airlines
Deal found 2/9![Hainan Airlines logo]()
$857
This Air Canada deal was found by Cheapflights users on 2/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:15 am
BOS
- KIX
2 stops25h 35m
Multiple Airlines
Thu 2/263:00 pm
KIX
- BOS
2 stops21h 37m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,147
This Air Canada deal was found by Cheapflights users on 2/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:15 am
BOS
- ITM
2 stops24h 05m
Air Canada
Thu 2/263:00 pm
ITM
- BOS
2 stops21h 37m
Air Canada
Deal found 2/9![Air Canada logo]()
$1,193
This Air Canada deal was found by Cheapflights users on 2/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:30 am
BOS
- KIX
2 stops22h 10m
Multiple Airlines
Wed 3/1110:50 am
KIX
- BOS
2 stops24h 47m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,133
This Gotogate deal was found by Cheapflights users on 2/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/93:35 pm
BOS
- KIX
2 stops56h 50m
Multiple Airlines
Mon 3/167:25 pm
KIX
- BOS
2 stops36h 47m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$1,119
This Gotogate deal was found by Cheapflights users on 2/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:30 am
BOS
- KIX
2 stops27h 20m
Multiple Airlines
Tue 3/177:25 pm
KIX
- BOS
2 stops32h 27m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,178
This Priceline deal was found by Cheapflights users on 2/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:40 pm
BOS
- KIX
2 stops27h 55m
Multiple Airlines
Wed 3/1810:55 am
KIX
- BOS
2 stops37h 22m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,146
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 3/117:40 pm
BOS
- KIX
2 stops27h 55m
Multiple Airlines
Wed 4/87:30 pm
KIX
- BOS
2 stops58h 10m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$1,190
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Fri 3/137:40 pm
BOS
- KIX
2 stops27h 55m
Multiple Airlines
Mon 3/232:35 pm
KIX
- BOS
2 stops46h 24m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$1,073
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Fri 3/137:40 pm
BOS
- KIX
2 stops27h 55m
Multiple Airlines
Wed 3/258:25 pm
KIX
- BOS
2 stops57h 55m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$1,107
This oojo deal was found by Cheapflights users on 2/8. 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 3/187:40 pm
BOS
- KIX
2 stops27h 55m
Hainan Airlines
Sat 3/282:35 pm
KIX
- BOS
1 stop39h 05m
Hainan Airlines
Deal found 2/8![Hainan Airlines logo]()
$842
One-way flights from Boston to OsakaSearch for one-way flight options from Boston to Osaka. Find affordable one-way fares based on user searches. Data last updated February 11, 2026.
Search for one-way flight options from Boston to Osaka. Find affordable one-way fares based on user searches. Data last updated February 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Fri 3/137:40 pm
BOS
- KIX
2 stops27h 55m
Hainan Airlines
Deal found 2/9![Hainan Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 2/186:40 pm
BOS
- KIX
2 stops27h 55m
Hainan Airlines
Deal found 2/9![Hainan Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Fri 2/274:22 pm
BOS
- KIX
3 stops51h 28m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$459
This SmartFares deal was found by Cheapflights users on 2/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/106:40 pm
BOS
- KIX
2 stops29h 05m
Hainan Airlines
Deal found 2/10![Hainan Airlines logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Fri 2/206:40 pm
BOS
- KIX
2 stops27h 55m
Hainan Airlines
Deal found 2/9![Hainan Airlines logo]()
$471
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 4/236:29 pm
BOS
- KIX
2 stops48h 36m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Fri 4/2412:35 pm
BOS
- KIX
3 stops31h 30m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 2/186:00 am
BOS
- ITM
3 stops59h 30m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/187:40 pm
BOS
- KIX
2 stops27h 55m
Hainan Airlines
Deal found 2/9![Hainan Airlines logo]()
$508
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 4/95:45 am
BOS
- KIX
3 stops50h 15m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$510
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Fri 2/205:50 pm
BOS
- ITM
3 stops59h 05m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$546
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 4/94:27 pm
BOS
- ITM
3 stops38h 23m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$574
Find flight deals from Boston to Osaka
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Osaka (OSA). 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 February 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $842 (oojo) |
One-way from | $406 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $1,025 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Osaka 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 February 11, 2026.
Use the filters below to find and compare flights from Boston to Osaka that are best for you.
Fly from
Boston
Fly to
Osaka
Route
Depart
Return
Price
BostonOsaka
BOS - KIX
BOSKIX
Boston Logan Intl
Fri 3/13
7:40 pm-12:35 pm
2 stops27h 55m
Osaka Kansai Intl
Wed 3/25
8:25 pm-5:20 pm
2 stops57h 55m
$1,107
BostonOsaka
BOS - KIX
BOSKIX
Boston Logan Intl
Mon 4/27
6:15 am-4:25 pm
2 stops21h 10m
Osaka Kansai Intl
Mon 5/4
6:00 pm-9:45 am
2 stops28h 45m
$1,110
BostonOsaka
BOS - KIX
BOSKIX
Boston Logan Intl
Wed 3/11
7:40 pm-12:35 pm
2 stops27h 55m
Osaka Kansai Intl
Wed 3/18
10:55 am-11:17 am
2 stops37h 22m
$1,146
BostonOsaka
BOS - KIX
BOSKIX
Boston Logan Intl
Fri 4/17
6:15 am-4:25 pm
2 stops21h 10m
Osaka Kansai Intl
Fri 4/24
7:35 am-9:56 am
2 stops39h 21m
$1,166
BostonOsaka
BOS - KIX
BOSKIX
Boston Logan Intl
Tue 5/5
8:15 pm-12:50 pm
2 stops27h 35m
Osaka Kansai Intl
Sun 5/17
1:10 pm-7:41 am
2 stops31h 31m
$1,177
BostonKobe
BOS - UKB
BOSUKB
Boston Logan Intl
Thu 5/14
4:39 pm-10:30 am
2 stops28h 51m
Kobe
Tue 5/19
11:40 am-7:41 am
2 stops33h 01m
$1,204
BostonOsaka
BOS - ITM
BOSITM
Boston Logan Intl
Tue 7/21
3:13 pm-5:05 pm
2 stops36h 52m
Osaka Itami
Wed 7/29
12:50 pm-7:45 am
2 stops31h 55m
$1,250
BostonOsaka
BOS - KIX
BOSKIX
Boston Logan Intl
Fri 6/19
5:45 am-9:00 pm
2 stops26h 15m
Osaka Kansai Intl
Sun 7/5
6:00 pm-4:08 pm
1 stop35h 08m
$1,268
BostonOsaka
BOS - ITM
BOSITM
Boston Logan Intl
Tue 6/16
5:50 am-6:55 pm
2 stops24h 05m
Osaka Itami
Sat 6/27
2:00 pm-10:38 pm
2 stops21h 38m
$1,276
BostonOsaka
BOS - ITM
BOSITM
Boston Logan Intl
Tue 4/7
6:15 am-6:10 pm
2 stops22h 55m
Osaka Itami
Tue 4/21
2:00 pm-2:52 pm
2 stops37h 52m
$1,279
Showing 1-10 of 60 results
Compare providers for flights from Boston to Osaka
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 Osaka in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Boston-Osaka flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Osaka flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Osaka flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Osaka 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-Osaka 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 Osaka
Have a flexible travel schedule? Discover the best time to fly to Osaka from Boston with our price prediction graph.
BOS-OSA
BOS-KIX
BOS-ITM
BOS-UKB
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 Osaka
BOS-OSA
BOS-KIX
BOS-ITM
BOS-UKB
How far ahead should I book a flight from Boston to Osaka?
Use this chart to determine the optimal time to book a round-trip flight from Boston to Osaka. Price data was last updated on February 6, 2026.
Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Osaka. 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 Osaka?
Currently, September is the cheapest month in which you can book a flight from Boston to Osaka (average of $787). Flying from Boston to Osaka in May is currently the most expensive (average of $1,243). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Osaka
Get insights into the airlines that provide service to Osaka. 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 Osaka. Reviews last updated February 11, 2026.
Peruse reviews from past customers who have flown with ANA, Japan Airlines, and Cathay Pacific from Boston to Osaka to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.2
Crew
8.7
Food
7.8
Overall
8.4
Boarding
8.6
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
BKK - NRT
Comfort
8.2
Crew
8.7
Food
7.8
Overall
8.4
Boarding
8.6
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
BKK - NRT
Comfort
8.2
Crew
8.7
Food
7.8
Overall
8.4
Boarding
8.6
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
BKK - NRT
Comfort
8.2
Crew
8.7
Food
7.8
Overall
8.4
Boarding
8.6
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
BKK - NRT
Comfort
8.2
Crew
8.7
Food
7.8
Overall
8.4
Boarding
8.6
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
BKK - NRT
Comfort
8.2
Crew
8.7
Food
7.8
Overall
8.4
Boarding
8.6
Entertainment
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
BKK - NRT
Related info for your journey
Find useful and relevant information for your journey from Boston to Osaka. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Osaka?
Book flights to Osaka if you plan to visit one of these locationsNara
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Complete your trip
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Other flights to Osaka
Explore flights to Osaka departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 11, 2026.
Boston and Osaka flights
Browse other Boston and Osaka flight options. Last updated on February 11, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on February 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boston to Osaka flights
Consider these flights traveling from Boston to Osaka.
Top 5 airlines flying from Boston to Osaka
Discover the top 5 airlines that operate flights from Boston to Osaka. 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 February 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$787 | Average$1,115 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$909 | Average$1,294 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$979 | Average$1,519 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,029 | Average$1,250 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,239 | Average$1,985 | FlexibilityNo cancel fee | On-time79% |