Earn point on your loyalty program!arrow arc left

Cheap flights from Boston (BOS) to Osaka (ITM)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Boston (BOS) to Osaka (ITM)

How to find the cheapest flight from Boston (BOS) to Osaka (ITM)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Osaka (ITM)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Osaka (ITM)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Boston to Osaka in February , March 2026

25 Feb - 10 Mar $ 1,047.00
BOS
Boston
Spirit Airlines
2 STOPS
ITM
Osaka
ITM
Osaka
Spirit Airlines
3 STOPS
BOS
Boston
Pick dates
08 Feb - 04 Mar $ 1,799.00
BOS
Boston
Alaska Airlines
2 STOPS
ITM
Osaka
ITM
Osaka
Alaska Airlines
2 STOPS
BOS
Boston
Pick dates
08 Feb - 08 Mar $ 1,928.00
BOS
Boston
Alaska Airlines
2 STOPS
ITM
Osaka
ITM
Osaka
Alaska Airlines
2 STOPS
BOS
Boston
Pick dates

Last minute flights from Boston to Osaka

25 Feb - 01 Mar $ 1,146.00
BOS
Boston
Frontier Airlines
2 STOPS
ITM
Osaka
ITM
Osaka
Frontier Airlines
3 STOPS
BOS
Boston
Pick dates
08 Feb - 28 Feb $ 1,905.00
BOS
Boston
Alaska Airlines
2 STOPS
ITM
Osaka
ITM
Osaka
Alaska Airlines
2 STOPS
BOS
Boston
Pick dates
09 Feb - 28 Feb $ 1,906.00
BOS
Boston
Alaska Airlines
2 STOPS
ITM
Osaka
ITM
Osaka
Alaska Airlines
2 STOPS
BOS
Boston
Pick dates

One-way flights to Osaka from Boston

9:02 AM - 6:20 AM
All Nippon Airways
2 Stops
32h 28m
BOS - ITM
$ 521
Kiwi
Pick dates
6:00 AM - 5:00 PM
United Airlines
2 Stops
22h 10m
BOS - ITM
$ 641
Kiwi
Pick dates
7:00 AM - 6:25 PM
Japan Airlines
2 Stops
22h 55m
BOS - ITM
$ 803
Kiwi
Pick dates

How to find the cheapest flight from Boston (BOS) to Osaka (ITM)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Osaka (ITM)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Boston (BOS) to Osaka (ITM)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.