Seoul vs Osaka
The short answer
Osaka is the cheaper trip, by roughly 13% a day — $80–135 against $80–160 mid-range per person. Both are at their best in Apr, Oct–Nov, so one trip can take in both.
Side by side
Mid-range, per person, in US dollars. Both guides were costed the same way — see how we work these out.
| 🇰🇷 Seoul | 🇯🇵 Osaka | |
|---|---|---|
| Daily budgetmid-range, per person | $80–160 | $80–135cheaper |
| Cheap meallocal staple | $5–8 | $4–7cheaper |
| Mid-range hotelper night | $70–140cheaper | $85–170 |
| Transit ridesingle trip | $1.05–1.20cheaper | $1.30–2.20 |
| Avg. monthly salarylocal, for context | ≈ $2,730 | ≈ $2,000 |
When to go
Filled months are the ones each guide recommends; hollow ones it warns off.
What you'd actually do
A few of each guide's picks, one per category before seconds — the full lists are on the guides themselves.
🇰🇷 Seoul
Six-hundred-year-old palaces between glass towers, mountains at the end of the subway line, and a city that genuinely does not sleep. The easiest big Asian city for a first-timer, and cheaper than Tokyo.
- Gyeongbokgung Palace$Palaces & history
- Gwangjang Market$Markets & food
- Hongdae$Neighbourhoods
- Jjimjilbang$Korean experiences
- Changdeokgung & the Secret Garden$Palaces & history
🇯🇵 Osaka
Japan's kitchen and its most unpretentious big city: neon canal-side food streets, castle grounds, and a local motto — kuidaore, eat until you drop.
- Dotonbori canal-side bars$$Nightlife
- Kani Doraku (Dotonbori Honten)$$$Restaurants
- Namba Grand Kagetsu$$Entertainment & shows
- Shinsekai$Nightlife
- Kushikatsu Daruma$Restaurants
Practicalities
| Seoul | Osaka | |
|---|---|---|
| Language | Korean. English signage is excellent on transport and at sights; conversational English is patchier than in Japan's tourist areas | Japanese, with the distinctive Kansai dialect. English signage is good on trains; spoken English is limited outside hotels. |
| Currency | Korean won (₩). Around ₩1,450 = $1 in mid-2026, but the won moves — check before you convert | Japanese yen (¥). US$1 ≈ ¥150 |
| Time zone | KST (UTC+9). No daylight saving | JST (UTC+9), no daylight saving |
| Power | 220V, Type C/F — the round two-pin European plug, not the flat Japanese one | Type A/B plugs, 100V (US plugs fit) |
| Tap water | Safe to drink, though most Koreans drink filtered water at home and from office dispensers | Safe to drink everywhere |
| Emergency | 112 police · 119 fire and ambulance · 1330 tourist helpline (24h, English) | 110 police · 119 fire/ambulance |