Side-by-side city decision # San Francisco vs Seoul. A direct comparison of monthly costs, connectivity, safety, quality of life and remote-work fit. Share comparison Copy link San FranciscoUnited States1/6 VS SeoulSouth Korea3/6 $4,554San Francisco monthly budget $1,885Seoul monthly budget 245 MbpsSan Francisco internet 285 MbpsSeoul internet Decision summary Seoul Seoul leads on more of the six headline signals. Cost Best budget Seoul Speed Fastest internet Seoul Vibe Best nomad vibe Tie Safety Highest safety Seoul Air Cleanest air San Francisco Walk Most walkable Tie Quick read ## Two cities at a glance The headline numbers before you examine the full comparison. [San Francisco](https://jobicy.com/cost-of-living/united-states/san-francisco.md) United States 1/6 Budget$4,554 Internet245 Mbps Vibe9/10 [Seoul](https://jobicy.com/cost-of-living/south-korea/seoul.md) South Korea 3/6 Budget$1,885 Internet285 Mbps Vibe9/10 Full comparison ## Compare what matters Green marks the stronger numeric result. Text-only categories are presented without a winner. Differences only ### Monthly budget and costs 7 signals MetricSan FranciscoSeoul Total estimated budget $4,554 $1,885 1-bed center rent $3,200 $1,050 Coworking desk $500 $260 Local meal $24 $8.5 Cappuccino $5.8 $4.6 Gym membership $110 $65 Transport budget $104 $55 ### Work and infrastructure 2 signals MetricSan FranciscoSeoul Internet speed 245 Mbps 285 Mbps Nomad vibe 9/10 9/10 ### Quality of life 5 signals MetricSan FranciscoSeoul Safety index 52/100 82/100 Air quality 75/100 62/100 Walkability 9/10 9/10 Female safety 6/10 8/10 LGBTQ+ friendly 10/10 6/10 ### Culture and climate 4 signals MetricSan FranciscoSeoul Healthcare quality Excellent Excellent English proficiency Excellent Average Climate type Mediterranean Humid continental with monsoon influence Best time to visit Sep - Nov Apr - Jun Beyond the numbers ## What each city asks you to trade Costs and scores help narrow the choice. These practical strengths and limitations finish the picture. [San Francisco](https://jobicy.com/cost-of-living/united-states/san-francisco.md) United States → ### Strengths * World-class startup, technology, and creative-networking scene * Fast, reliable internet and abundant work-friendly cafes * Highly walkable neighborhoods with strong public transit coverage * Inclusive LGBTQ+ culture and diverse international community * Excellent restaurants, museums, parks, and nearby nature * Mild temperatures throughout most of the year ### Trade-offs * Housing costs are among the highest in the United States * Visible homelessness and property crime affect some districts * Microclimates mean fog, wind, and sudden temperature changes * Restaurant, sales, and service charges add up quickly * Steep hills can make walking and cycling demanding * US visitor status does not explicitly authorize remote work ### Common visa routes * Visa Waiver Program / ESTA for eligible nationals, up to 90 days * B-1/B-2 visitor visa, generally up to six months at admission * O-1 visa for individuals with extraordinary ability [Seoul](https://jobicy.com/cost-of-living/south-korea/seoul.md) South Korea → ### Strengths * Exceptionally fast and reliable internet * Extensive, affordable metro and bus network * Very safe for a major global city * Outstanding food, coffee, and nightlife * Convenient cashless payments and delivery services * Strong healthcare infrastructure ### Trade-offs * Housing can be expensive and deposits are often high * Summer heat, humidity, and monsoon rain are intense * Winter is cold and dry * Fine-dust pollution can worsen in spring * English is less common outside international areas * Work and social culture can feel formal and hierarchical ### Common visa routes * Workation Visa (digital nomad visa) * K-ETA visa-free entry where eligible * Working Holiday Visa for eligible nationalities Reading the result ## Use this as a planning benchmark The headline score compares six directional signals. It does not weight personal priorities, visa eligibility, household size or individual lifestyle choices. Costs are monthly estimates, not guaranteed prices. Higher is better for quality scores and connectivity. Lower is better for budgets and individual expenses.