American Airlines often operates direct or seasonal flights from Dallas/Fort Worth International Airport (DFW) to Narita International Airport (NRT), offering Oneworld connectivity and competitive premium-cabin options. Japan Airlines, ANA and other partner carriers provide seamless codeshare connections with Japanese hospitality standards and strong domestic transfer networks. Compare seat pitch, meal service, baggage allowances, and loyalty program benefits when choosing an October itinerary. For the lowest total trip cost, factor in layover time, connection reliability, and frequent-flier redemption opportunities.