$1,578 Cheap United flights Boston (BOS) to Osaka (KIX)

View $1,578 flight on Fri, Dec 19, 2025Opens in a new window

$1,578 Cheap United flights Boston (BOS) to Osaka (KIX)

Prices were available within the past 7 days and start at $1,578 for one-way flights and $2,312 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
United
Fri, Dec 19 - Thu, Jan 1
BOS
Boston
KIX
Osaka
$2,312
Roundtrip
Found 1 day ago
Select United flight, departing Fri, Dec 19 from Boston to Osaka, returning Thu, Jan 1, priced at $2,312 Found 1 day ago
United
Fri, Dec 19 - Thu, Jan 1
BOS
Boston
KIX
Osaka
$2,320
Roundtrip
Found 1 day ago
Select United flight, departing Fri, Dec 19 from Boston to Osaka, returning Thu, Jan 1, priced at $2,320 Found 1 day ago
United
Fri, Dec 19 - Thu, Jan 1
BOS
Boston
KIX
Osaka
$2,432
Roundtrip
Found 1 day ago
Select United flight, departing Fri, Dec 19 from Boston to Osaka, returning Thu, Jan 1, priced at $2,432 Found 1 day ago
United
Fri, Dec 19 - Thu, Jan 1
BOS
Boston
KIX
Osaka
$2,642
Roundtrip
Found 1 day ago
Select United flight, departing Fri, Dec 19 from Boston to Osaka, returning Thu, Jan 1, priced at $2,642 Found 1 day ago
United
Fri, Dec 19 - Thu, Jan 1
BOS
Boston
KIX
Osaka
$2,650
Roundtrip
Found 1 day ago
Select United flight, departing Fri, Dec 19 from Boston to Osaka, returning Thu, Jan 1, priced at $2,650 Found 1 day ago
United
Fri, Dec 19 - Thu, Jan 1
BOS
Boston
KIX
Osaka
$2,724
Roundtrip
Found 1 day ago
Select United flight, departing Fri, Dec 19 from Boston to Osaka, returning Thu, Jan 1, priced at $2,724 Found 1 day ago
United
Fri, Dec 19 - Thu, Jan 1
BOS
Boston
KIX
Osaka
$2,762
Roundtrip
Found 1 day ago
Select United flight, departing Fri, Dec 19 from Boston to Osaka, returning Thu, Jan 1, priced at $2,762 Found 1 day ago
Flights from Boston (BOS) to Osaka (KIX)
Origin airport
Logan Intl.
Destination airport
Kansai Intl.
Distance
11001 km