Find the Cheapest Flights from Boston to Japan

Unlock the cheapest flights and the best airfares from Boston to Japan. Make your dream trip both memorable and affordable!

Thu, Oct 1BOS-TYO
Westjet

oneway$547

Sat, Oct 3BOS-OSA
Etihad Airways

oneway$610

Thu, Oct 1BOS-TYO
Westjet

$1,066

Boston to Japan: Flight information

Cheapest flight found$547

Cheapest month to flyOctober

Most popular airlineWestjet

Average flight duration1d 5h 10m

Cheapest flight found

Oct 2026

$547

May 2026

$560

Aug 2026

$627

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