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From SJU airport to Tokyo Haneda
Reaching Luis Muñoz Marín International
Uber/Lyft from Old San Juan runs $18-28 (20-30 min depending on traffic) and is your best option for reliability. Taxis from official stands at major hotels cost $25-35 but negotiate before entering. The T5 bus route (Autoridad de Transporte Integrado) runs from downtown San Juan to the airport for $2.75 (45-60 min, arrives at Terminal A); it's cheap but unreliable on timing and not recommended if you have a tight connection. Car rental from the airport is $35-55/day at major companies, reasonable if you're staying 4+ days. No train service exists. From Condado area: Uber $15-22 (15-20 min). From Rio Piedras: Uber $12-18 (15-25 min). Pro move: book Uber at least 30 minutes before departure; airport surge pricing is real during peak hours (7-9am, 4-6pm).
Getting from HND into Tokyo Haneda
The Tokyo Monorail from Haneda International Terminal runs every 4–10 minutes to Hamamatsucho Station (JR Yamanote Line) in 17 minutes for ¥630 (~$4.20) — fastest and most reliable option for central Tokyo. The Keikyu Airport Line is equally fast (18 minutes to Shinagawa for ¥430, ~$2.85) and connects directly to the Keikyu main line for Shinjuku, Shibuya, and beyond without a transfer; it's the better option if you're not staying near Hamamatsucho. Taxis from Haneda to Shinjuku cost ¥6,000–8,000 (~$40–53) and take 30–45 minutes depending on traffic — only worth it late at night with heavy luggage or if splitting with travel partners. Load your Suica card at the airport before leaving — it handles both rail options and every convenience store, vending machine, and most restaurants in the city.
Planning San Juan to Tokyo Haneda
Haneda is the airport Tokyo actually uses daily — it's 15 minutes from the city center, runs 24 hours, and lands you in Shinagawa or Hamamatsucho before most travelers flying into Narita have even cleared immigration. For Americans, it's almost always the better option if you can find comparable prices. The international terminal (Terminal 3) is clean, modern, and has an 8th-floor observation deck and a fake Edo-era shopping street worth exploring even mid-layover. If Wildly.ai finds you a deal into HND, take it seriously.
Local basics
Best-month weather in Tokyo Haneda
November
45–61°F · 8 rain daysFall foliage peaks mid-to-late November in places like Shinjuku Gyoen and Rikugien Garden. Cool, crisp, and strikingly photogenic — arguably the best overall month to visit.
October
56–70°F · 11 rain daysOne of Tokyo's best months. Comfortable temperatures, low rain, early fall foliage. Crowds pick up as savvy travelers chase the weather.
The destination guide flags July and August and June as the least favorable months.
Two areas to consider
Shinjuku
mid-rangeThe most overwhelming neighborhood in a city that doesn't do subtle — 3.5 million people pass through Shinjuku Station daily. West Side is salarymen and skyscrapers (Tokyo Metropolitan Government Building has a free observation deck); East Side is Kabukicho entertainment district, Golden Gai (200 tiny bars, each with 8 seats), and the best ramen at 2am. Stay here for maximum convenience — APA Hotels are everywhere and clean at ¥8,000–12,000/night.
Shibuya
mid-rangeGround zero for the famous scramble crossing (best viewed from the Mag's Park rooftop of 109 building or Starbucks second floor — skip the ¥2,000 observatory). Center-gai is chaotic youth shopping; Daikanyama and Nakameguro (a 10-minute walk south) are where you actually want to eat and drink — Onibus Coffee on the Meguro River, Daikanyama Tsutaya Books for the best bookstore experience in Japan.
Local planning tip
Book your Toyosu fish market tuna auction visit the moment your flights are confirmed — reservations open exactly 2 months in advance on the official Tokyo Metropolitan Central Wholesale Market website and slots fill within hours for weekday openings. The auction itself starts at 5:30am, which means arriving at Toyosu at 4:45am, which (here's the actual insider move) means doing it on your first or second night in Tokyo when jet lag wakes you up at 3am anyway. You'll be wide awake, watch fishermen bid millions of yen on bluefin tuna, eat breakfast sushi at one of the market restaurants by 7am, and feel like you've already won the trip.
Visa and entry notes for US travelers
US passport holders get 90 days visa-free in Japan for tourism — no application, no fee, just show up. You'll get a stamp at the airport and you're in. The one catch: they will ask for proof of onward travel at immigration, so have your return ticket accessible. Japan does not allow you to work remotely on a tourist visa (technically), though enforcement is essentially zero for short stays. If you want to stay longer than 90 days, a digital nomad visa launched in 2024 allows 6-month stays with proof of employment outside Japan and income over $55,000/year. Japan has no departure tax built into visa fees (it's folded into your airline ticket). ESTA is not applicable here — that's for entering the US.