Chicago O'Hare to Tokyo Narita in Business Class

The sharpest math on this route belongs to Alaska Mileage Plan: 60,000 miles books JAL business class one-way from the US to Tokyo, against a cash fare that typically runs around $5,500, producing a redemption value of roughly 9.2¢ per mile. That is nearly six times our baseline 1.6¢ valuation for Alaska miles, and it makes this the highest-leverage option in the Asia business-class category by a meaningful margin. JAL's Apex Suite product — a full-flat, door-equipped cabin — adds product quality on top of the price efficiency. Stopovers are permitted at no added mileage cost, which opens the door to positioning through a Japanese gateway before continuing onward.

For availability searches, start with programs that surface the most relevant partner space on this corridor. Air Canada Aeroplan is the first tool to open: its distance-based pricing prices Star Alliance business class to Japan at 75,000 points one-way, and its search engine surfaces ANA, EVA Air, and other Star Alliance carriers simultaneously. Singapore KrisFlyer is the second search window, covering both ANA and United on this route at 62,000 miles — the same $5,500 approximate cash benchmark translates to 8.9¢ per mile, well above our 1.3¢ KrisFlyer valuation. Run both tools before committing to any transfer.

Availability on ORD–NRT in business class is genuinely constrained. Saver-level inventory on JAL, ANA, and United typically surfaces as zero to four seats per departure, and that number shrinks further on peak travel windows — Japanese holiday periods, Golden Week, and US summer shoulder months. JAL releases partner award space to Alaska Mileage Plan, but it does so selectively and capacity can evaporate within hours of appearing. ANA's own saver business inventory, bookable via KrisFlyer or Aeroplan, is similarly tight. Flexible travel dates are not a nice-to-have here; they are a prerequisite. Search a 21-to-30-day window around your target dates, and treat any open saver seat as time-sensitive.

Transfer paths matter because Alaska miles are not directly purchasable from most bank currencies. The most practical route to 60,000 Alaska miles runs through Marriott Bonvoy, which transfers to Alaska at 3:1 (meaning 180,000 Bonvoy points for 60,000 Alaska miles) — a path that works but burns Bonvoy points quickly. For Aeroplan's 75,000-point option, Chase Ultimate Rewards, American Express Membership Rewards, and Capital One miles all transfer 1:1, making it the most accessible redemption for multi-currency holders. KrisFlyer's 62,000-mile sweet spot is reachable the same way — Chase, Amex, Citi, and Capital One all move points to KrisFlyer at 1:1. Korean Air SKYPASS accepts Chase Ultimate Rewards at 1:1 for its 80,000-mile rate, though that option is Seoul-centric rather than NRT-direct.

Against our conservative valuations at rewardztravel.com, the Alaska/JAL path is the clearest outlier: spending 60,000 miles at our 1.6¢ baseline represents $960 in points "spent," against roughly $5,500 in cash fare — the gap is real, but only materializes if saver space is confirmed before any transfer is initiated. The Aeroplan path at 75,000 points costs the equivalent of $1,125 at our 1.5¢ Aeroplan valuation, still a strong outcome versus cash. Never move points to an airline program speculatively on this route; find space first — then transfer.