Last update: Oct 2026

Cost of Living Comparison Between Seongnam and Jeju

For one person, living is cheaper in Jeju: $1,107 a month against $1,405 in Seongnam, rent and utilities included – about $3,600 less a year. The total is higher in Seongnam despite lower rent and utilities.

Seongnam
🇰🇷 South Korea
$1,405
/mo nomad
Jeju
🇰🇷 South Korea
$1,107
/mo nomad
Monthly Cost of Living

How much you'll spend in Seongnam and in Jeju

Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Seongnam and in Jeju actually costs, broken down by who's living it.

A single person spends $1,405 per month in Seongnam vs $1,107 in Jeju, rent included.

  • Seongnam $1,405
  • Jeju $1,107

A couple spends around $2,330 per month in Seongnam vs $1,900 in Jeju, rent included.

  • Seongnam $2,330
  • Jeju $1,900

A family of three spends $3,255 per month in Seongnam vs $2,694 in Jeju, rent included.

  • Seongnam $3,255
  • Jeju $2,694

Seongnam costs about 27% more than Jeju, and outside of rent the biggest gap is in groceries.

Seongnam sits 4% above the global median, while Jeju is 18% below – they fall on opposite sides of the world average.

Currency
🍽 Eating Out
Seongnam
Jeju
Difference
Meal at Budget Restaurant
$6.61 ₩8,787
$7.40 ₩9,835
-10.68%
Three-Course Dinner for Two, Mid-Range
$40.26 ₩53.5K
$53.2 ₩70.7K
-24.29%
Fast Food Meal (McDonalds, etc)
$6.67 ₩8,870
$5.44 ₩7,233
22.61%
Cappuccino
$4.16 ₩5,528
$5.75 ₩7,640
-27.65%
Coke/Pepsi/Fanta/Sprite (0.33 liter bottle)
$1.59 ₩2,120
$2.21 ₩2,945
-28.05%
Water (0.33 liter bottle)
$0.82 ₩1,093
$1.94 ₩2,575
-57.73%
Local Beer (0.5 liter draught)
$3.56 ₩4,727
$3.44 ₩4,578
3.49%
Imported Beer (0.33 liter bottle)
$3.81 ₩5,065
$3.05 ₩4,050
24.92%
🛒 Groceries & Markets
Seongnam
Jeju
Difference
Milk (1 liter)
$2.26 ₩3,005
$2.26 ₩2,998
-
White Bread (500g)
$3.08 ₩4,098
$2.30 ₩3,060
33.91%
Rice (white) (1kg)
$3.59 ₩4,779
$2.21 ₩2,941
62.44%
Eggs
$3.61 ₩4,804
$2.59 ₩3,444
39.38%
Local Cheese (1kg)
$9.24 ₩12.3K
-
-
Chicken Fillets (1kg)
$7.73 ₩10.3K
-
-
Beef Round Steak (1kg)
$21.02 ₩27.9K
-
-
Apples (1kg)
$7.75 ₩10.3K
-
-
Banana (1kg)
$3.42 ₩4,552
$2.16 ₩2,867
58.33%
Oranges (1kg)
$5.87 ₩7,808
-
-
Tomato (1kg)
$6.99 ₩9,288
-
-
Potato (1kg)
$3.60 ₩4,793
$3.04 ₩4,047
18.42%
Onion (1kg)
$2.52 ₩3,354
$1.85 ₩2,454
36.22%
Lettuce (1 head)
$2.80 ₩3,725
$2.19 ₩2,908
27.85%
Water (1.5 liter bottle)
$1.33 ₩1,766
$0.47 ₩620
182.98%
Cigarettes 20 Pack (Marlboro, Camel)
$3.45 ₩4,584
-
-
Wine (Bottle)
$18.42 ₩24.5K
$11.22 ₩14.9K
64.17%
Local Beer (0.5 liter bottle)
$2.09 ₩2,776
$1.87 ₩2,490
11.76%
Imported Beer (0.33 liter bottle)
$1.82 ₩2,422
$1.65 ₩2,200
10.30%
🚌 Getting Around
Seongnam
Jeju
Difference
One-way Ticket (Public Transport)
$1.03 ₩1,368
$1.03 ₩1,370
-
Taxi Start (Normal Tariff)
$3.64 ₩4,841
-
-
Taxi (Normal Tariff) (1km)
$0.66 ₩876
-
-
Taxi 1hour Waiting (Normal Tariff)
$8.86 ₩11.8K
-
-
Gasoline (1 liter)
$1.36 ₩1,811
$1.33 ₩1,762
2.26%
Midsize Hatchback 1.4l (Volkswagen Golf, Toyota Prius, Honda Civic, etc)
$29.3K ₩39.0M
-
-
Compact Sedan 1.6l (Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)
$28.4K ₩37.8M
-
-
🧾 Monthly Utilities & Internet
Seongnam
Jeju
Difference
Utilities for 2 People in 2-bedroom Apartment (Heating, Electricity, Gas, Water, Garbage) (85m2)
$207 ₩275.9K
$216 ₩287.8K
-4.15%
SIM Card Monthly Plan (Calls and 10GB+ Data)
$36.39 ₩48.4K
$53.7 ₩71.4K
-32.29%
Internet (50+ Mbps, Unlimited Data)
$20.67 ₩27.5K
$19.50 ₩25.9K
6.00%
🎉 Sport & Entertainment
Seongnam
Jeju
Difference
Gym Membership (Monthly)
$51.6 ₩68.6K
-
-
Tennis Court (1 Hour on Weekend)
$12.09 ₩16.1K
-
-
Cinema Ticket
$10.99 ₩14.6K
-
-
🧸 Childcare & Education
Seongnam
Jeju
Difference
Preschool or Kindergarten, Full Day, Private, 1 Child (Monthly)
$532 ₩707.0K
-
-
International Primary School, 1 Child (Yearly)
$17.7K ₩23.5M
$25.3K ₩33.6M
-30.01%
👕👟 Clothing & Footwear
Seongnam
Jeju
Difference
Jeans (Levis 501 Or Similar)
$57.6 ₩76.6K
$51.6 ₩68.6K
11.67%
Summer Dress (H&M, Zara, etc)
$32.21 ₩42.8K
$30.38 ₩40.4K
6.02%
Sport Shoes (Adidas, Nike)
$69.7 ₩92.6K
$66.5 ₩88.5K
4.70%
Men's Leather Business Shoes
$81.8 ₩108.8K
$89.7 ₩119.2K
-8.73%
🏠 Accommodation & Living
Seongnam
Jeju
Difference
1-bedroom Apartment, City Center (Monthly)
$478 ₩635.4K
$462 ₩614.5K
3.40%
1-bedroom Apartment, Outside City Center (Monthly)
$366 ₩486.9K
$381 ₩506.9K
-3.96%
3-bedroom Apartment, City Center (Monthly)
$1,168 ₩1.6M
$1,369 ₩1.8M
-14.72%
3-bedroom Apartment, Outside City Center (Monthly)
$1,035 ₩1.4M
$1,174 ₩1.6M
-11.83%
Buy Apartment in City Center (m2)
$7,163 ₩9.5M
$10.3K ₩13.8M
-30.78%
Buy Apartment Outside City Center (m2)
$5,429 ₩7.2M
$6,733 ₩9.0M
-19.37%
💵 Salaries & Financials
Seongnam
Jeju
Difference
Average Monthly Net Salary (After Tax)
-
$1,856 ₩2.5M
-
20-Year Fixed Mortgage Interest Rate (Annual %)
4.08
0
-

CityCost data is based on AI and user input – minor inaccuracies may occur.

Last update for Seongnam: October 11, 2026

Last update for Jeju: October 11, 2026

Monthly budget structure
Share of the monthly basket for one person, rent included.
Groceries & Markets
Seongnam
$423
Jeju
$140 * 66.9% $283
Accommodation & Living
Seongnam
$366
Jeju
$381 4.1% $15
Monthly Utilities & Internet
Seongnam
$265
Jeju
$290 9.5% $25
Eating Out
Seongnam
$158
Jeju
$184 16.8% $27
Clothing & Footwear
Seongnam
$109
Jeju
$107 1.3% $1.4
Sport & Entertainment
Seongnam
$74
Jeju
- * 100%
Getting Around
Seongnam
$11 *
Jeju
$4.1 * 62.7% $6.9

Categories marked with * are only partly priced – their share counts the items that do have prices.

Cost Breakdown

A central one-bedroom costs $478 in Seongnam versus $462 in Jeju. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.

A mid-range dinner for two costs $40.00 in Seongnam versus $53.0 in Jeju. Groceries tell a different story – $423 in Seongnam vs $140 in Jeju – so Jeju wins on supermarket bills even if dining out costs more.

Good to know
🇰🇷 Seongnam
🇰🇷 Jeju
🕒 Local time
17:56 5:56 PM
17:56 5:56 PM
Same time as Seongnam
🌤 Weather
👥 Population
967,510
469,279
💱 Currency
Exchange rates and currency converter

USD, EUR to KRW – South Korean Won Converter

South Korean Won exchange rates as of October 20, 2026: 1 USD = 1,330 KRW (10,000 KRW = 7.52 USD). 1 EUR = 1,495 KRW (10,000 KRW = 6.69 EUR).

On the map
Between locations
  • Seongnam Jeju 440 km
From you
  • Seongnam
  • Jeju

Distances are measured in a straight line. Your location is detected approximately.

City Median Internet Speeds Comparison (Updated April 2026)

The chart highlights the Precision Threshold for mobile and fixed broadband internet speeds, updated quarterly.
Digital Nomad Cost of Living Index
Seongnam vs Jeju: Cost of Living - Frequently Asked Questions
Is Jeju cheaper than Seongnam?
Yes – Seongnam is pricier by about 27%, and outside of rent the gap shows up most in groceries.
What income do you need for each city?
For a comfortable life, plan on about $2,108 per month in Seongnam and $1,660 in Jeju. That covers rent, food, utilities, transport, and enough left over to feel settled – not just surviving.
Which city has lower housing costs?
Rent is clearly cheaper in Jeju, especially for central apartments. Housing is actually the single biggest factor behind the overall cost gap between these two cities.
How do food prices compare in Seongnam and in Jeju?
Groceries cost about 202% more in Seongnam, though it depends on what you buy. Local produce may be comparable; imported and premium items show the biggest price gap.
Is eating out cheaper in Seongnam or in Jeju?
A mid-range dinner for two costs $40.00 in Seongnam and $53.0 in Jeju. That's a good indicator of the overall restaurant and café pricing gap between the two cities.
Is $1,500 a realistic budget for living in Seongnam or in Jeju?
A $1,500 monthly budget goes further in Jeju, where all-in costs run around $1,107, than in Seongnam at $1,405. In Jeju it covers expenses comfortably, while in Seongnam it requires careful planning or may not stretch far enough.
Is Seongnam or Jeju more family-friendly?
Families tend to lean toward Jeju – lower housing and cheaper childcare make a real difference, especially on a single income or when paying for private education.
Which city is safer, Seongnam or Jeju?
Both have safer and rougher neighborhoods, but overall safety is comparable to other large cities. Neighborhood choice matters more than the city-level comparison – central, well-trafficked areas feel secure in both.
Which city is the better choice to relocate to?
If budget matters most, go with Jeju. If higher salaries, better infrastructure, or specific career opportunities are the priority, Seongnam makes more sense. Both are solid long-term options with distinct trade-offs.

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