Best eSIM for Hong Kong

RedteaGO 10 GB / 60 days is US$6.45 (checked 3 Nov 2026). Also checked: Airalo US$18 (10 GB/30 days), Yesim US$19.20 (10 GB/30 days), Saily US$19.99 (10 GB/30 days).

Last updated: 3 Nov 2026 (Pacific/Auckland)Prices checked 3 Nov 2026 on each provider's own site

Comparison — Hong Kong (prices checked 3 Nov 2026)

USD list prices read from each provider's own public Hong Kong page on 3 Nov 2026. Prices change often: confirm the live price and your card's foreign-transaction fees before you buy. Validity differs (RedteaGO's 10 GB plan lasts 60 days), so compare price per GB and trip length.

Provider	Data	Days	Price	Per GB	Notes and source
RedteaGO Lowest per GB	10 GB	60	US$6.45	US$0.65	Hong Kong only; source: esim.redteago.com/esim-hong-kong, checked 3 Nov 2026
Airalo	10 GB	30	US$18	US$1.80	Hkmobile plan; source: airalo.com/hong-kong-esim, checked 3 Nov 2026
Yesim	10 GB	30	US$19.20	US$1.92	source: yesim.app/country/hong-kong/, checked 3 Nov 2026
Saily	10 GB	30	US$19.99	US$2.00	Saily lists HKT as provider; source: saily.com/esim-hong-kong/, checked 3 Nov 2026

Local SIM vs travel eSIM. Hong Kong eSIMs do not cover Macau or mainland China: Saily says its Hong Kong plan does not work in Macau. RedteaGO also sells Hong Kong & Macao and China + HK + Macao plans (check its site). Crossing into the mainland? See our China page.

Networks. Local partner networks (Airalo plan: Hkmobile; Saily lists HKT). Hotspot and fair-use rules differ by plan, so check the plan details on the provider's site before you buy.

More eSIM partners. Check UFACell and Breeze eSIM also sell travel eSIMs. We have not price-checked them for Hong Kong, so confirm plans on each site. These are affiliate links.

Quick take

Cheapest per GB today: RedteaGO at US$6.45 for 10 GB. Visiting Taiwan too? See our Taiwan & Hong Kong page. Comparing brands? See Airalo vs Yesim, Airalo vs Saily and Yesim vs RedteaGO.

Check RedteaGO Check Airalo Check Yesim Check Saily

FAQ

What is the cheapest eSIM for Hong Kong?

On 3 Nov 2026 the lowest price per GB we found was RedteaGO: 10 GB / 60 days for US$6.45, read from the provider's own Hong Kong page. Prices change, so check before you buy.

When should I install my travel eSIM?

Install it at home on Wi-Fi a day or two before you fly, but keep it switched off until you land, because many plans start their validity on first connection.

Is 'unlimited' eSIM data really unlimited?

Rarely. Most unlimited plans slow you down after a daily fair-use cap and may limit hotspot use. Check the cap before you buy.