Japan’s domestic aviation network — connecting 97 airports across the main islands and island chains — complements the Shinkansen for routes where the bullet train is impractical: Okinawa, Hokkaido from western Japan, and the remote island archipelagos. Understanding when to fly versus take the Shinkansen, how Japan’s airline competition works, and which airports serve which cities saves significant time and money.
Main Domestic Airlines
- Japan Airlines (JAL): Full-service; strong domestic network especially on main routes. JAL Mileage Bank program. JAL Explorer Pass (for international visitors) offers discounted domestic fares (approximately $80–100 USD per sector) when booked with an international JAL ticket.
- All Nippon Airways (ANA): Japan’s largest airline; comprehensive domestic network. ANA Mileage Club. ANA Experience Japan Fare (for visitors) — similar discount domestic pricing to JAL Explorer Pass.
- Peach Aviation: Ultra-low-cost carrier based at Kansai International; extensive domestic routes including Okinawa island chains, Sapporo, and Sendai. Fares as low as ¥3,000–¥8,000 on sale.
- Jetstar Japan: Qantas/JAL joint venture LCC; Narita base, routes to Hokkaido, Kyushu, Okinawa. Frequent sales.
- Starflyer: Premium LCC between Kitakyushu/Fukuoka and Tokyo; known for higher service standards than typical LCCs.
- Solaseed Air / Skymark: Regional carriers with specific route specialties.
Key Domestic Routes
- Tokyo (Haneda) – Sapporo (New Chitose): Japan’s busiest domestic route (combined JAL/ANA/LCC). 1.5 hours. Shinkansen alternative takes 4+ hours (Hokkaido Shinkansen to Shin-Hakodate, then limited express) — flying is clearly faster for Hokkaido.
- Tokyo – Okinawa (Naha): 2.5 hours by air; no Shinkansen option. Flying is the only practical choice. Frequent JAL, ANA, Peach, and Jetstar service.
- Tokyo – Fukuoka: 1.5 hours by air vs. 5 hours Shinkansen. For same-day travel, flying is faster; for sightseeing along the route (Kyoto, Hiroshima), Shinkansen wins.
- Osaka (KIX) – Okinawa: 2 hours by Peach or JAL. Major gateway for Okinawa visitors from Kansai.
- Okinawa islands (Naha to Ishigaki, Miyakojima, Amami): The only way to reach Okinawa’s remote island chains; short flights of 45–75 minutes from Naha.
Tokyo’s Multiple Airports
Haneda Airport (HND)
Tokyo’s closest airport (30 min from central Tokyo by Keikyu or Tokyo Monorail), handling most domestic flights and a growing number of international routes. Terminal 1 (JAL domestic), Terminal 2 (ANA domestic), Terminal 3 (international). For domestic travel from Tokyo, Haneda is almost always preferred over Narita.
Narita Airport (NRT)
Tokyo’s main international airport (60–80 min from central Tokyo) handles fewer domestic routes but is the hub for Jetstar Japan and some Peach routes. For domestic connections after arriving internationally at Narita, check if a Haneda connection via Tokyo is faster than a direct Narita domestic departure.
Osaka’s Airports
- Kansai International (KIX): The main international airport on a constructed island; 75 min from central Osaka by Haruka express. Peach’s main hub; all major international carriers.
- Itami Airport (ITM): Osaka’s domestic airport, much closer to the city center (30 min by monorail). JAL and ANA domestic flights; no international service. For domestic connections in/out of Osaka, Itami is significantly more convenient.
Booking Domestic Flights
- Book early: JAL and ANA domestic fares increase significantly closer to departure. “Super Value” advance fares (available 55–75 days ahead) can be 50–70% cheaper than full fare.
- Visitor passes: JAL Explorer Pass and ANA Experience Japan Fare offer ¥10,800–¥13,800 flat fares per sector (with certain routing rules) when purchased with international tickets — often the best value for routing through Japan.
- LCC sales: Peach and Jetstar run regular ¥1–¥2,000 seat sales; signing up for email alerts is worthwhile if Okinawa or Hokkaido is on the itinerary.
- Baggage: LCCs charge for checked luggage (¥1,000–¥2,500 per piece); full-service airlines include 20–23 kg allowance in domestic fares.
Shinkansen vs. Flight Decision Framework
- Fly to Hokkaido and Okinawa: Always — the Shinkansen doesn’t reach Okinawa, and for western Japan to Hokkaido, flying is far faster.
- Fly for Tokyo–Fukuoka if time-sensitive: 1.5h air vs. 5h Shinkansen; add airport transfer time and the difference shrinks but flying still wins for pure speed.
- Take Shinkansen for Tokyo–Osaka–Kyoto–Hiroshima: Haneda-to-Itami transfers eat the time advantage, and the Shinkansen lets you stop at multiple cities. JR Pass makes it free.
- Flying advantage is largest for: Western Japan (Osaka/Hiroshima) to Hokkaido, and any destination in Okinawa’s island chains.