Compare Fiber Internet in South Korea

Live offers across tracked providers in South Korea — updated daily from the Giraffy database.

Live offers

33 live offers compared from 9 providers, from ₩14900 /month. Updated daily.

LGU+ Fiber Plan LGU+ Fiber

₩14900 /month

  • Provider: LGU+ Fiber

KT 인터넷 100M KT

₩22000 /월

  • 다운로드 속도: 100Mbps
  • 계약 기간: 일반적으로 3년 임기입니다.
  • 기술: 섬유
  • 제안 후 가격: 변경 없음

KT 기가 파이버 100Mbps KT Giga Fiber

₩25300 /월

  • 다운로드 속도: 100Mbps
  • 계약 기간: 24개월
  • 기술: FTTH
  • 제안 후 가격: 진입 계획

LGU+ 광섬유 100Mbps LGU+ Fiber

₩25300 /월

  • 다운로드 속도: 100Mbps
  • 계약 기간: 24개월
  • 기술: FTTH
  • 제안 후 가격: 진입 계획

SK 브로드밴드 B 100Mbps SK Broadband Fiber

₩25300 /월

  • 다운로드 속도: 100Mbps
  • 계약 기간: 24개월
  • 기술: FTTH
  • 제안 후 가격: 진입 계획

헬로비전 파이버 300Mbps HelloVision Fiber

₩27500 /월

  • 다운로드 속도: 300Mbps
  • 계약 기간: 12개월
  • 기술: HFC 케이블
  • 제안 후 가격: 월 27,500원

LGU+ 광섬유 500Mbps LGU+ Fiber

₩32900 /월

  • 다운로드 속도: 500Mbps
  • 계약 기간: 24개월
  • 기술: FTTH
  • 제안 후 가격: 월 32,900원

LG U+ 인터넷 500M LG U+

₩33000 /월

  • 다운로드 속도: 500Mbps
  • 계약 기간: 일반적으로 3년 임기입니다.
  • 기술: 섬유
  • 제안 후 가격: 변경 없음

KT 인터넷 500M KT

₩33000 /월

  • 다운로드 속도: 500Mbps
  • 계약 기간: 일반적으로 3년 임기입니다.
  • 기술: 섬유
  • 제안 후 가격: 변경 없음

SK 브로드밴드 500M SK Broadband

₩33000 /월

  • 다운로드 속도: 500Mbps
  • 계약 기간: 일반적으로 3년 임기입니다.
  • 기술: 섬유
  • 제안 후 가격: 변경 없음

SK 브로드밴드 B 500Mbps SK Broadband Fiber

₩34100 /월

  • 다운로드 속도: 500Mbps
  • 계약 기간: 24개월
  • 기술: FTTH
  • 제안 후 가격: 월 34,100원

KT 기가 파이버 500Mbps KT Giga Fiber

₩34100 /월

  • 다운로드 속도: 500Mbps
  • 계약 기간: 24개월
  • 기술: FTTH
  • 제안 후 가격: 월 34,100원

월17,600원 SK Broadband

₩35200 /month

  • Provider: SK Broadband

LGU+ 5G 홈 LGU+ Prepaid

₩35200 /월

  • 다운로드 속도: 약 500Mbps
  • 계약 기간: 계약 없음
  • 기술: 5G FWA
  • 제안 후 가격: 배선 불필요

KT 5G 홈 라우터 KT 5G Home

₩36300 /월

  • 다운로드 속도: 약 500Mbps
  • 계약 기간: 계약 없음
  • 기술: 5G FWA
  • 제안 후 가격: 배선 불필요

LGU+ 광섬유 1Gbps LGU+ Fiber

₩37400 /월

  • 다운로드 속도: 1Gbps
  • 계약 기간: 24개월
  • 기술: FTTH
  • 제안 후 가격: 월 37,400원

SK 브로드밴드 기가 1G SK Broadband

₩38500 /월

  • 다운로드 속도: 1Gbps
  • 계약 기간: 일반적으로 3년 임기입니다.
  • 기술: 섬유
  • 제안 후 가격: 변경 없음

SK 브로드밴드 B 1Gbps SK Broadband Fiber

₩38500 /월

  • 다운로드 속도: 1Gbps
  • 계약 기간: 24개월
  • 기술: FTTH
  • 제안 후 가격: 월 38,500원

KT 기가 파이버 1Gbps KT Giga Fiber

₩38500 /월

  • 다운로드 속도: 1Gbps
  • 계약 기간: 24개월
  • 기술: FTTH
  • 제안 후 가격: 월 38,500원

월35,200원 SK Broadband

₩40700 /month

  • Provider: SK Broadband

월25,300원 SK Broadband

₩41800 /month

  • Provider: SK Broadband

iPhone 17 KT

₩53994 /month

  • Network: KT
  • Provider: KT

KT 기가 파이버 2.5Gbps KT Giga Fiber

₩55000 /월

  • 다운로드 속도: 2.5Gbps
  • 계약 기간: 24개월
  • 기술: FTTH
  • 제안 후 가격: 초고속 요금제

SK 브로드밴드 2.5Gbps SK Broadband Fiber

₩55000 /월

  • 다운로드 속도: 2.5Gbps
  • 계약 기간: 24개월
  • 기술: FTTH
  • 제안 후 가격: 초고속 요금제

LGU+ 광섬유 2.5Gbps LGU+ Fiber

₩55000 /월

  • 다운로드 속도: 2.5Gbps
  • 계약 기간: 24개월
  • 기술: FTTH
  • 제안 후 가격: 초고속 요금제

월30,800원 SK Broadband

₩56100 /month

  • Provider: SK Broadband

월38,500원 SK Broadband

₩67100 /month

  • Provider: SK Broadband

월39,600원 SK Broadband

₩70400 /month

  • Provider: SK Broadband

갤럭시 Z Flip8 KT

₩71195 /month

  • Network: KT
  • Provider: KT

iPhone 17 Pro KT

₩75910 /month

  • Network: KT
  • Provider: KT

갤럭시 S26 Ultra KT

₩76260 /month

  • Network: KT
  • Provider: KT

갤럭시 Z Fold8 KT

₩97543 /month

  • Network: KT
  • Provider: KT

갤럭시 Z Fold8 Ultra KT

₩110790 /month

  • Network: KT
  • Provider: KT

What is fiber internet in South Korea?

Fiber internet delivers home broadband over fibre-optic lines, giving the very high, symmetrical speeds that made South Korea a global benchmark for connectivity. Gigabit and multi-gigabit plans are mainstream, and fibre reaches the vast majority of households, including dense apartment complexes (아파트) where fibre-to-the-home is the norm. It is the default choice for streaming, gaming, remote work and smart-home use.

How the Korean market works

Three operators dominate fixed broadband: KT, SK Broadband and LG U+ (LGU+), with regional and cable players such as HelloVision also active. Plans are commonly sold as multi-year contracts (often 3 years) and are frequently bundled with IPTV and a mobile line for a "결합" (combined) discount. Speeds are marketed from 100 Mbps up to 1 Gbps and beyond, and installation in apartments is usually quick because fibre is already run to the building. Providers compete hard on upfront incentives — cash rebates, gift cards and free installation — that materially cut the effective first-year price, and the dense apartment landscape means fibre-to-the-home rather than slower copper is the default almost everywhere.

Benefits

World-class speed — Gigabit symmetrical service is widely available and priced competitively by global standards.

Bundle discounts — Combining broadband, IPTV and mobile with one provider can cut the total bill substantially.

Reliable fibre lines — Fibre-to-the-home in apartments delivers low latency ideal for gaming and video calls.

Fast installation — Existing in-building fibre means most homes are connected within days.

How to choose

Match the speed tier to your household — 500 Mbps or 1 Gbps suits gamers and large families, while 100–300 Mbps is ample for lighter use. Weigh the bundle: if you also want IPTV and mobile, a combined package usually beats buying separately. Check the contract length and early-termination fees, any installation charge or router rental, and promotional cashback or gift-card incentives that reduce the effective first-year cost. Confirm the advertised speed is available at your specific building.

Leading providers in South Korea

KT is the largest fixed-line broadband provider and markets KT Giga Fiber gigabit plans; SK Broadband and LG U+ (with LGU+ Fiber) are the other two national operators. Cable and regional brands such as HelloVision Fiber add competition in some areas. Because all three majors run extensive fibre, the deciding factors are usually price, bundle fit and promotional incentives rather than raw availability.

What it costs

Home fibre plans in the comparison run from about ₩22,000 a month for an entry tier up to roughly ₩76,260 for a top gigabit or bundled package. Mid-range gigabit-class plans typically land in the ₩33,000–55,000 band, and combining broadband with IPTV and mobile shifts the effective monthly cost lower through 결합 discounts. Watch for separate router rental and one-off installation fees.

Protections and regulation

Fixed broadband is regulated by the Korea Communications Commission (KCC) and the Ministry of Science and ICT (MSIT), which oversee service quality, competition and consumer contracts. Providers must disclose speeds, contract terms and termination fees, and quality-guarantee rules give recourse if actual speeds fall persistently short of what was sold.

Common questions

Is gigabit really available? Yes — 1 Gbps and faster tiers are mainstream, especially in apartments. Should I bundle? If you want IPTV or mobile too, a combined package almost always lowers the total bill. How long are contracts? Commonly three years, with early-termination fees, so factor the full commitment into your comparison.

The cheapest Fiber Internet in South Korea is ₩14900 /month from LGU+ Fiber.

Fiber Internet in South Korea — FAQ

What is the cheapest broadband deal in South Korea?

Giraffy tracks 5 broadband plans across LGU+ Fiber,KT,KT Giga Fiber,SK Broadband Fiber providers in South Korea. The lowest tracked price is ₩14900 /month. Sort by lowest monthly cost and filter by speed to find the best value for your usage.

What broadband speed do I actually need?

For one person browsing and streaming: 30–50 Mbps is plenty. A household of 3–4 people streaming HD simultaneously benefits from 100–300 Mbps. Heavy users — gamers, remote workers uploading large files, 4K streaming — should look at 500 Mbps or full gigabit plans.

What is the difference between fibre and cable internet?

Fibre-optic internet uses light signals for fast, consistent speeds — typically up to 1 Gbps — and is unaffected by distance from the exchange. Cable internet uses coaxial cable and is fast but shared with neighbours, so speeds can dip during peak hours. Full fibre is the gold standard where available.

Are there setup fees or activation costs to switch broadband?

Some providers charge a one-off setup or activation fee, while others waive it with a minimum-term contract. Router delivery is usually included. Ask about early termination fees if you're still in a contract with your current provider before switching.

How long does it take to get broadband installed?

Full-fibre installations requiring a technician visit usually take 1–3 weeks to book. Switching providers on an existing connection (same technology, same line) can be as quick as two working days. Check estimated lead times on each deal card before committing.

Can I keep my home phone number when switching broadband?

Yes. Under most switching processes, you can port your existing home phone number to your new provider. Let them know you want to keep your number when you sign up — it should transfer automatically within a few days.

What is upload speed and does it matter?

Upload speed determines how quickly your device sends data — relevant for video calls, uploading to cloud storage, streaming as a content creator, or remote desktop work. Standard broadband is asymmetric (faster download than upload). If upload speed matters to you, look for 'symmetrical' or 'full fibre' plans.