Best South Korea ETFs for UK ISA Investors: 5 Funds Compared (2026)

Updated March 2026  ·  clearinvestor.co.uk

Best South Korea ETFs for UK Investors (2026)

5UCITS ETFs on LSE
0.09%Lowest annual fee (FLXK)
£56010-year saving vs priciest fund
~25%Samsung weight in most funds

South Korea’s stock market is dominated by three global companies: Samsung Electronics, SK Hynix, and Hyundai. Samsung is the largest company in Korea, SK Hynix is a world leader in semiconductors, and Hyundai is the third largest car manufacturer globally. Together, Samsung and SK Hynix produce the majority of the world’s high-bandwidth memory (HBM) — the chips that power AI data centres. As of 2026, tech companies are forecast to spend more than £500 billion on AI infrastructure globally, with a meaningful share flowing directly into Korean semiconductor factories.

For UK ISA and SIPP investors, five UCITS ETFs provide access to the Korean market in a single trade. All five are ISA-eligible and listed on the London Stock Exchange. They differ significantly on fees, fund size, and platform availability. The cheapest charges 0.09% per year. The most expensive charges 0.65%. On a £10,000 investment over ten years, that gap is worth approximately £560.

How we select ETFs: This guide covers every UCITS-compliant South Korea ETF listed on the London Stock Exchange as of March 2026. ETFs are included regardless of provider. Fee and fund size data sourced from justETF and individual fund factsheets. Platform availability verified directly on each platform.
Best overall pick
Franklin FTSE Korea (FLXK) — 0.09% OCF

The largest Korea ETF by AUM at £2,424m, with the lowest fees of any South Korea UCITS ETF available to UK investors. Available on Hargreaves Lansdown, IG, Fidelity, Trading 212, and eToro. Accumulating (dividends reinvested automatically).

South Korea ETFs available in the UK: full comparison

The table below covers every UCITS-compliant South Korea ETF listed on the London Stock Exchange. All five are eligible for a UK Stocks and Shares ISA and SIPP.

ETFTickerOCFFund sizeTypeHLIGFidelityT212eToro
Franklin FTSE Korea ★FLXK0.09%£2,424mAcc
iShares MSCI Korea (Dist)IKOR0.65%£670mDist
iShares MSCI Korea (Acc)CSKR0.65%£349mAcc
HSBC MSCI Korea CappedHKOR0.50%£404mDist
Xtrackers MSCI Korea 1CXKS20.45%£60mAcc

Source: justETF, fund factsheets. Data verified March 2026.

How South Korea ETF fees affect your long-term returns

Even small differences in ongoing charges compound significantly over time — a critical consideration for long-term ISA and SIPP investors. The comparison below uses a £10,000 starting investment at an assumed 8% annual return.

Franklin FTSE Korea — 0.09%
  • Annual fee on £10,000: £9
  • Value after 10 years: £21,389
  • Total fees paid: £90
iShares MSCI Korea — 0.65%
  • Annual fee on £10,000: £65
  • Value after 10 years: £20,829
  • Total fees paid: £650

That is approximately £560 more in your portfolio from the lower-cost fund, on an identical £10,000 starting investment, before any difference in performance.

True cost of ownership: OCF plus dividend withholding tax

The OCF is not your only cost. South Korea levies a 22% withholding tax on dividends paid to foreign investors, including UCITS ETFs. This is deducted before dividends reach the fund, so it does not appear in the OCF figure.

With Korean stocks yielding approximately 1.5%, the additional drag is around 0.33% per year. This means FLXK’s true cost of ownership is closer to 0.42% rather than the headline 0.09% — still the cheapest option, but a meaningful gap worth understanding.

ETFOCFKRW withholding tax drag (est.)Estimated total dragType
FLXK0.09%~0.33%~0.42%Acc
XKS20.45%~0.33%~0.78%Acc
HKOR0.50%~0.33%~0.83%Dist
IKOR0.65%~0.33%~0.98%Dist
CSKR0.65%~0.33%~0.98%Acc

WHT drag estimated from 1.5% Korean dividend yield × 22% withholding tax rate = ~0.33% annual drag. This is an approximation — actual yield varies. OCF source: justETF, March 2026.

Important: Inside a UK ISA or SIPP, you are protected from UK capital gains tax and UK dividend tax. However, Korean withholding tax is deducted at source in Korea before the ETF receives the income — it applies regardless of your UK tax wrapper.

Each South Korea ETF reviewed

OCF0.09%
Fund size£2,424m
TypeAcc
1Y Return+133.4%
IndexFTSE Korea 30/18
DomicileIreland
LaunchedJun 2019
Ticker (LSE)FLXK

The cheapest and largest South Korea UCITS ETF available to UK investors. FLXK tracks the FTSE Korea 30/18 Capped index — a rules-based index of large and mid-cap Korean equities with a Samsung concentration cap of 30% at rebalance. Dividends are reinvested automatically (accumulating), making it well-suited to ISA investors who do not need income.

At £2,424m AUM, FLXK has significantly better liquidity than the smaller funds in this comparison, which typically translates to tighter bid/ask spreads when buying and selling on the LSE.

Bottom line: Lowest fee, largest fund, accumulating, widest platform availability. The most cost-efficient South Korea ETF for UK ISA and SIPP investors.
OCF0.65%
Fund size£670m
TypeDist (qtly)
1Y Return+137.1%
IndexMSCI Korea 20/35
DomicileIreland
LaunchedNov 2005
Ticker (LSE)IKOR

The longest-running South Korea UCITS ETF, launched in 2005. Tracks the MSCI Korea 20/35 index and pays dividends quarterly. At 0.65% OCF, it is the most expensive fund in this comparison. Its long track record is sometimes cited as a reason to prefer it, but past performance data on Korea ETFs is available on justETF for all funds — IKOR’s tenure does not offer a meaningful informational advantage.

Bottom line: If you need quarterly income distributions, HKOR offers similar exposure at 0.50%. IKOR’s age and name recognition do not translate into better returns.
OCF0.65%
Fund size£349m
TypeAcc
1Y Return+147.3%
IndexMSCI Korea 20/35
DomicileIreland
LaunchedAug 2010
Ticker (LSE)CSKR

The accumulating version of the iShares MSCI Korea ETF. Same 0.65% OCF and same holdings as IKOR, with dividends reinvested rather than distributed. For investors who want an accumulating Korea ETF, CSKR offers broadly the same exposure as FLXK — but at a 0.56% higher annual cost for no material benefit.

Bottom line: Same broad exposure as FLXK but 0.56% more expensive per year. Difficult to justify for new ISA investors when FLXK is available.
OCF0.50%
Fund size£404m
TypeDist (semi-ann)
1Y Return+137.8%
IndexMSCI Korea Capped
DomicileIreland
LaunchedApr 2011
Ticker (LSE)HKOR

The best option for UK investors who want income distributions from their South Korea ETF. HKOR pays dividends semi-annually and carries a Morningstar Silver rating. At 0.50% OCF it is cheaper than both iShares options, and it has good liquidity with £404m in assets.

Bottom line: Best distributing Korea ETF for UK investors. If you want cash dividend income, HKOR is the stronger choice over IKOR. Otherwise the 0.41% OCF premium over FLXK is hard to justify.
OCF0.45%
Fund size£60m
TypeAcc
1Y Return+139.4%
IndexMSCI Korea Custom
DomicileIreland
LaunchedJul 2007
Ticker (LSE)XKS2

Mid-priced and accumulating, but the smallest fund in this comparison at just £60m. Smaller funds typically carry wider bid/ask spreads on the LSE, which adds to your effective cost when trading. Available on HL, IG, and Fidelity, but not on Trading 212 or eToro.

Hargreaves Lansdown IG Fidelity Trading 212 eToro
Bottom line: Smaller, more expensive, and less widely available than FLXK, despite offering a very similar portfolio. Difficult to recommend for most UK investors.

Samsung, SK Hynix, and the AI memory chip supercycle

South Korea ETFs offer concentrated, low-cost access to the two companies that produce the memory chips AI data centres cannot function without. Samsung Electronics typically accounts for around 25–30% of Korea-focused ETF indices and dominates production of DRAM, NAND flash, and high-bandwidth memory (HBM). SK Hynix, at roughly 15–20% of Korean indices, was the first to mass-produce HBM3E and an early supplier of this technology to Nvidia.

The KOSPI’s strong 2025–2026 performance reflects this AI infrastructure build-out directly: when hyperscalers like Microsoft, Google, and Amazon commit to expanded data centre spending, a meaningful portion of that spend flows into Korean memory factories.

Korea ETF vs global semiconductor ETF: what’s the difference?

For investors targeting AI infrastructure exposure, a South Korea ETF and a global semiconductor ETF serve different purposes and are often complementary rather than interchangeable.

South Korea ETF (e.g. FLXK)
  • Memory-focused: DRAM, NAND, HBM
  • Samsung ~25–30% of portfolio
  • SK Hynix ~15–20% of portfolio
  • Also includes Hyundai, financials
  • Single-country concentration risk
Global Semiconductor ETF
  • Logic chips: Nvidia, TSMC, Broadcom
  • Equipment makers: ASML, Applied Materials
  • Memory is a smaller component
  • Broader geographic diversification
  • Less concentrated in any one country

A Korea ETF gives you a higher-conviction bet on memory specifically. A global semiconductor ETF spreads exposure across the full chip supply chain. Neither is a substitute for the other if your view is specifically on HBM demand.


How to buy a South Korea ETF in your UK ISA or SIPP

All five South Korea UCITS ETFs in this guide are eligible for a Stocks and Shares ISA and a Self-Invested Personal Pension (SIPP). The steps below apply to both wrappers.

1
Check your existing Korea exposure. FTSE-based global funds such as Vanguard FTSE All-World (VWRP/VWRL) include South Korea at approximately 1.5%. MSCI-based funds such as iShares Core MSCI World (SWDA/IWDA) include zero South Korea. See the full breakdown in the global ETF section below.
2
Choose your ETF. Investors who want accumulation at the lowest fee should consider Franklin FTSE Korea (FLXK) at 0.09%. Those who need cash dividend distributions should consider HSBC MSCI Korea Capped (HKOR) at 0.50%. Both are eligible for UK ISAs and SIPPs — inside a SIPP, you also receive pension tax relief on contributions at your marginal rate.
3
Search by ticker symbol. Use ‘FLXK’ or ‘HKOR’ in your platform’s search bar and always select the London Stock Exchange (LSE) listing. This avoids unnecessary currency conversion costs that can apply on non-GBP listings. On Trading 212, fractional shares are available for both FLXK and HKOR.
4
Read the Key Investor Information Document (KIID). A two-page summary of the fund’s objectives, risks, costs, and past performance. All platforms require you to confirm you have read the KIID before completing an order on a UCITS ETF.
5
Place your order. A market order executes at the next available price and is appropriate for most investors buying liquid LSE-listed ETFs during market hours. For larger orders, a limit order can help avoid paying a wide spread.

Is South Korea already in your global ETF?

Whether South Korea appears in your existing portfolio depends on which index family your global ETF tracks. This is one of the most common sources of confusion for UK investors comparing FTSE and MSCI-based funds.

FTSE-based — Korea included
  • Vanguard FTSE All-World (VWRP/VWRL)
  • Vanguard FTSE Developed World
  • Korea weight: ~1.5%
  • FTSE classifies Korea as developed
MSCI-based — Korea excluded
  • iShares Core MSCI World (SWDA/IWDA)
  • Xtrackers MSCI World
  • Korea weight: 0%
  • MSCI classifies Korea as emerging

If you hold VWRP, you already have approximately 1.5% exposure to South Korea. If you hold SWDA, you have zero Korea exposure. Adding a Korea ETF alongside SWDA increases your allocation; adding it alongside VWRP adds a top-up above your existing 1.5%.

FTSE vs MSCI Korea: the key index differences

FeatureFTSE Korea 30/18MSCI Korea 20/35
Samsung concentration cap30% at rebalance35% ongoing
Market classificationDevelopedEmerging
Approx. constituents~110~90
Included in FTSE All-World?✓ Yes— No
Included in MSCI World?— No— No (EM index)
ETF tracking it (LSE)FLXKIKOR, CSKR, HKOR, XKS2

South Korea ETF performance, volatility and risks

The one-year returns shown in this guide (approximately 130–147%) reflect an unusually strong period driven by AI-related semiconductor demand. This level of performance is not typical and should not be used to set expectations for future returns.

FLXK (0.09%) IKOR (0.65%) CSKR (0.65%) HKOR (0.50%) XKS2 (0.45%)

Growth of £100 invested at start of 2022, using annual calendar year total returns in GBP. Data points: Jan 2022, Jan 2023, Jan 2024, Jan 2025, Dec 2025. Source: justETF, 17 March 2026. Past performance is not a reliable indicator of future results.

For full interactive price history charts, see each fund’s justETF profile: FLXK · IKOR · CSKR · HKOR · XKS2

Volatility and drawdown risk

Korean equities are inherently volatile. The KOSPI — South Korea’s main stock index — fell more than 35% in 2022 as rising interest rates hit growth stocks and global semiconductor demand contracted. In 2020, the KOSPI also fell approximately 35% during the initial Covid shock before recovering sharply. Single-country ETFs of this type can experience drawdowns that a global fund would substantially cushion.

Key risks to understand before investing

Concentration risk: Two companies — Samsung and SK Hynix — account for roughly 40–50% of most Korea ETF indices. If either underperforms significantly, the ETF follows.

Geopolitical risk: South Korea shares a border with North Korea. While markets have historically proven resilient to Korean Peninsula tensions, geopolitical escalation is a tail risk specific to this country ETF.

Currency risk: Korean ETFs are priced and traded in GBP on the LSE, but the underlying assets are denominated in Korean Won (KRW) and, for some fund operations, US dollars. GBP/KRW and GBP/USD movements affect your sterling return independently of the ETF’s local performance.

Sector concentration: The technology sector — primarily semiconductors — dominates Korean indices. A downturn in the global chip cycle, a pullback in AI infrastructure spending, or oversupply of memory chips would disproportionately affect Korea ETF holders compared to a broader global fund.

Many investors treat single-country ETFs as “satellite” positions (5–15% of a portfolio) rather than core holdings, due to this concentration. A Korea ETF alongside a global fund like VWRP or SWDA adds targeted exposure without making Korea your dominant holding.

Frequently asked questions

Which South Korea ETF has the lowest fee?

Franklin FTSE Korea (FLXK) at 0.09% per year — the cheapest South Korea UCITS ETF available to UK investors. On a £10,000 investment that is £9 per year. The most expensive option, iShares MSCI Korea at 0.65%, costs £65 per year for a broadly similar portfolio.

Can I buy South Korea ETFs on Trading 212?

Yes. Franklin FTSE Korea (FLXK) and HSBC MSCI Korea Capped (HKOR) are available on Trading 212 with no trading commission. Fractional shares are supported on both. Xtrackers MSCI Korea (XKS2) is not available on Trading 212.

Are South Korea ETFs eligible for a Stocks and Shares ISA?

Yes. All five ETFs in this comparison are UCITS-compliant and eligible for UK Stocks and Shares ISAs and SIPPs. Returns generated inside an ISA are free from UK capital gains tax and dividend tax. Note that Korean withholding tax on dividends (22%) is still deducted at source before the ETF receives income — this applies regardless of your UK wrapper.

Why not just buy Samsung shares directly?

You can purchase Samsung GDRs on the London Stock Exchange under the ticker SMSN. However, buying individual Samsung shares gives you no diversification — these Korea ETFs hold 80–100+ Korean companies across technology, industrials, financials, and consumer sectors. A single-stock position also concentrates your risk in one company’s management decisions, accounting, and competitive position.

What is the difference between FTSE Korea and MSCI Korea?

Both index families cover large and mid-cap Korean equities with similar top holdings. The key differences: FTSE uses a Samsung concentration cap of 30% at rebalance (MSCI uses 35%); FTSE classifies Korea as a developed market (MSCI classifies it as emerging); and FTSE indices contain slightly more constituents (~110 vs ~90). In practice, the fee difference between FLXK (0.09%) and MSCI trackers (0.45–0.65%) is more meaningful to long-term returns than the index methodology difference.

What is high-bandwidth memory (HBM) and why does it matter for Korea ETFs?

High-bandwidth memory is a type of computer memory designed for very high data transfer speeds. It is a critical component in AI accelerator chips, including Nvidia’s H100 and H200 GPUs. Samsung and SK Hynix are the two largest HBM producers globally — together they supply the majority of the world’s HBM output. Strong AI infrastructure spending has been a major driver of Korean equity performance in 2025 and 2026. A slowdown in AI capex or increased competition from non-Korean memory producers would be a material risk to the thesis.

Is South Korea a developed or emerging market?

It depends on the index provider. FTSE classifies South Korea as a developed market — it is included in FTSE World and FTSE All-World indices (Vanguard funds). MSCI still classifies South Korea as an emerging market — it is excluded from the MSCI World index (iShares SWDA) but included in the MSCI Emerging Markets index. This classification difference is why VWRP holders already own Korea and SWDA holders do not.

Does currency affect South Korea ETF returns?

Yes. The underlying Korean companies earn and hold Korean Won (KRW). Although LSE-listed Korea ETFs are priced in GBP, your sterling return depends on both the ETF’s local performance and GBP/KRW exchange rate movements. If the pound strengthens, your gain in sterling will be reduced even if the Korean market has risen. Some ETFs offer currency-hedged share classes, but these typically add a small extra cost.


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Clear Investor Private investor researching financial information for UK investors. ETF data in this article was sourced from justETF, BlackRock, Franklin Templeton, and HSBC ETFs fund factsheets. About this site →
Disclaimer: This article is for educational and informational purposes only and does not constitute financial advice. The value of investments can fall as well as rise. You may get back less than you invest. Past performance is not a reliable indicator of future results. Always read the Key Investor Information Document (KIID) before investing. The fee-saving calculation assumes £10,000 invested at an 8% annual return over 10 years — actual results will vary. Korean withholding tax drag estimated from 1.5% yield × 22% WHT rate — actual yield varies. Data sourced from justETF, BlackRock, Franklin Templeton, and HSBC ETFs. Data last verified March 2026. clearinvestor.co.uk may receive a commission from platforms linked in this article. See our affiliate disclosure.