Seoul vs Tokyo

Tokyo is cheaper on average. A mid-range day in Seoul costs about $135 vs $120 in Tokyo, so Tokyo saves you roughly $15 per day compared to Seoul.

Tokyo scores higher on our safety index (90/100 vs 85/100). Tokyo is one of the safest major cities in the world.

Tokyo has the more temperate climate year-round. Tokyo has four distinct seasons. Summers are hot and humid, winters are mild and dry. Spring and fall are the most pleasant times to visit.

English is more widely spoken in Seoul (3/5 vs 2/5 on our scale). You'll find it easier to order food, ask for directions, and navigate transit in Seoul.

Seoul peaks in Apr–May, Sep–Oct. Tokyo peaks in Mar–Apr, Oct–Nov. Both peak in Apr, Oct, so a single trip pairs them naturally.

Roughly 1h 56m on a direct flight (about 1,149 km / 714 mi). One-way fares typically run $120-350 depending on season and how far in advance you book.

In Seoul: budget ~$40-65/day, mid-range ~$100-170/day, luxury ~$300+/day. In Tokyo: budget ~$50–80/day, mid-range ~$120–200/day, luxury ~$350+/day.

Plan 3-4 days for Seoul and 4-5 days for Tokyo. Seoul's main districts (Hongdae, Myeongdong, Bukchon, Itaewon, Gangnam) are each compact enough to cover in an afternoon, so 3 full days hits the highlights and a 4th unlocks a DMZ tour or Suwon. Tokyo demands at least 4 days because Shibuya, Shinjuku, Asakusa, Harajuku, and Tsukiji each deserve a half-day, and a 5th day frees up a Hakone or Nikko detour.

Yes — the 2-hour direct flight on Korean Air or ANA runs $200-300 round-trip and makes this one of the easier multi-city Asia loops. The standard split is 4 nights Tokyo, 3 nights Seoul, flying mid-trip. Most travelers fly into Tokyo Narita and out of Seoul Incheon to skip backtracking, which costs roughly the same as a round-trip from either side.

Tokyo wins on depth and craft — it has more Michelin stars than any city on earth, and even a random 7-Eleven egg salad sandwich is exceptional. Seoul wins on value and social energy: Korean BBQ at Mapo Jeong Daepo runs $15 with a parade of free banchan, and the late-night pojangmacha tent culture has no real Tokyo equivalent. Try Tsukiji omakase and Ichiran ramen in Tokyo; Gwangjang Market bindaetteok and Jongno BBQ in Seoul.

Seoul is the gentler introduction — better English signage on the metro, simpler arrival process, walkable district scale, and a more outwardly friendly culture (locals will help you read a menu). Tokyo rewards a second visit when you've adjusted to the politeness rituals and don't mind the sheer scale of the rail map. If you only have one trip, Seoul gets you 80% of the East Asia mega-city experience with 60% of the friction.

Seoul, by a clear margin. Hongdae and Itaewon run genuinely until dawn, soju is $3 a bottle, and karaoke (noraebang) rooms stay open 24 hours with private rooms for $10/hour. Tokyo's nightlife is excellent but more compartmentalized — Golden Gai's six-seat bars close by 2 AM, and last trains stop around midnight, so you commit to a taxi or a club until 5 AM. For a traveler who wants energy until sunrise, Seoul wins.

US, UK, EU, Canadian, and Australian passport holders get visa-free entry to both — 90 days for Japan, 90 days for South Korea (though Korea now requires a $10 K-ETA online registration 72+ hours before arrival, valid 3 years). Japan still requires the Visit Japan Web declaration but it's free. Both are among the easiest Asia entries; just don't skip the K-ETA, since Korean immigration will turn you back at the gate without it.