Every Boston–Tokyo fare we track, measured against the route's typical price whenever there is enough cached history to build one. Subscribe in any RSS reader for free single-route price alerts — no account, no email needed.https://flight.dealsen-ushttps://flight.deals/flights/boston-to-tokyo/#2026-09-16-2026-09-23-AChttps://flight.deals/flights/boston-to-tokyo/#2026-09-16-2026-09-23-ACBOS → TYO round-trip on Air Canada, 2026-09-16 to 2026-09-23 (7 nights). Cached fare $810 vs typical $1,175.Sun, 30 Aug 2026 05:03:17 GMT