🇭🇰 eSIM plans for Hong Kong

Starting at $4.57/day*
  • No data caps
  • 7-days valid
  • Fast, reliable connection
  • Skip the roaming bill
  • QR code emailed instantly
Get your unlimited data
How many days
More days, lower daily rate
7
How many eSIMs
More eSIMs, bigger discount
1
Install it now or once you're away. Nothing starts counting until you reach your destination and switch the eSIM on.

* The "as low as" figure is the lowest per-day rate, taken from the longest unlimited data plan on sale here.

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Hong Kong eSIM travel illustration

Why buy from us?

Here's how Onetel stacks up against other options in Hong Kong.

Onetel
Local SIM card
Roaming
Uncapped data plans
Activates instantly
Your number stays the same
No surprise charges
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Asia eSIM

Cover the Region with Asia eSIM

Cover Hong Kong and every neighboring country on one regional eSIM — no SIM swaps, no extra fees. Starting at $2.16.

View Asia Plans
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eSIM costs for Hong Kong

Prices shown in USD

7 days of unlimited data in Hong Kong costs $32.90 — about $4.70 a day on CMHK, 3 Hong Kong or SmarTone, with no roaming charge and no SIM to swap. In Hong Kong, 5G is live and median mobile download speed is 47.3 Mbps.

Duration Price Daily cost
1 day $6.18 $6.18/day
3 days $14.76 $4.92/day
5 days $23.82 $4.76/day
7 days $32.90 $4.70/day
10 days $46.48 $4.65/day
15 days $69.18 $4.61/day
30 days $137.18 $4.57/day
180 days $56.00 $0.31/day
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Which Hong Kong eSIM plan fits your trip?

Choose your Hong Kong eSIM by matching the allowance and validity period to your trip, then compare the selected product details with the local network, band and speed references already shown on this page.

Start with the length of your stay, then allow for navigation, messaging, streaming and work use. Each option below is a plan size that is currently available for this destination.

Short trip

1 GB / 7 days

Best for: A short visit with maps, messages and occasional browsing.

This option pairs the 1 GB allowance with a stated validity period of 7 days.

Usage tip: Save maps before longer journeys and use Wi-Fi for large downloads.

Two-week trip

3 GB / 15 days

Best for: A stay of around two weeks with regular navigation and messaging.

The 3 GB allowance remains available across a stated validity period of 15 days.

Usage tip: Keep automatic app updates and cloud backups on Wi-Fi.

Longer or higher use

10 GB or more / 30 days

Best for: A longer stay or more frequent streaming, video calls or work use.

The 10 GB or more / 30 days profile provides a larger data pool than the short-trip options on this page.

Usage tip: Compare the allowance with your normal phone usage and monitor it during the trip.

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Which networks you connect to in Hong Kong

Your eSIM roams onto Hong Kong's own operators. These are the networks and the frequencies they run — check your phone supports them before you travel.

Operator 4G / LTE bands 5G bands 5G
CMHK B1, B3, B7, B8, B40 n1, n78, n79 Yes
3 Hong Kong B1, B3, B7, B8, B40 n1, n78 Yes
SmarTone B1, B3, B7, B8 n1, n78 Yes
HKT (csl) B1, B3, B7, B8, B40 n1, n78, n79 Yes
47.3 Mbps
Median download
11.6 Mbps
Median upload

Source: Ookla Speedtest Global Index, August 2025

Coverage in Hong Kong

MTR underground stations and tunnels have full 4G/5G coverage from all operators; no significant rural coverage gaps. Some foreign phones lack B40 and n79.

How to check mobile coverage in Hong Kong

The Hong Kong mobile network source is linked below as a public network reference. Check the places on your itinerary where the source offers local detail, then confirm the network information for the selected eSIM product. The operator table on this page provides the country-level reference, while the selected product details identify which network information applies to your plan.

Accommodation and daily stops

Check your accommodation and the places you expect to visit in Hong Kong. Indoor reception can differ from an outdoor map, so keep the property Wi-Fi details available as well.

Journeys between stops

Review the full route rather than checking only the arrival city. Save tickets, addresses and maps offline before longer road or rail journeys.

Borders and onward travel

Check the selected product scope for every country on your itinerary. Your Hong Kong plan and a regional plan may have different included destinations and validity periods.

Phone compatibility in Hong Kong

Compare your phone with 4G bands B1, B3, B7, B8, B40 and 5G bands n1, n78, n79 in the existing Hong Kong network table. Support for more of the listed bands gives the phone more options when connecting, while the selected product, location and local network conditions determine the service available.

Set up the Hong Kong eSIM for your trip

Keep the QR code and installation instructions available offline, and complete each step according to the selected product's instructions.

When validity starts: Validity-start rules can differ by product. Check the selected plan details before installation and travel.

  1. Confirm that your phone is unlocked and supports eSIM before purchase.
  2. Save the QR code or manual installation details somewhere you can reach without mobile data.
  3. Use reliable Wi-Fi to install the profile at the time recommended in the product instructions.
  4. When you are ready to use it, select the travel eSIM for cellular data and apply the stated roaming and APN settings.
  5. Keep roaming disabled on your home line if you want to avoid using its travel data.
Network and coverage sources, checked 2026-10-10
Hong Kong travel guide

Ways to Enjoy Hong Kong

Hong Kong blends East and West in a way few cities can match. Start with a ride on the Star Ferry across Victoria Harbour. The short crossing costs little but gives you a postcard view of the skyline. From Victoria Peak, the city spreads out below you like a living map. Go late afternoon to see the lights come on. In Mong Kok, the streets are packed with neon signs and tiny shops selling everything from phone cases to dried seafood. Walk slowly and let the noise wash over you. Whether you prefer quiet temples or crowded food stalls, Hong Kong rewards those who explore on foot. The MTR is fast and clean, but the best discoveries happen when you wander into a side street.

Key Attractions

Hong Kong's attractions range from natural escapes to urban landmarks. Choose based on your interests and energy level.

  • Victoria Peak - Take the Peak Tram up for the classic view. Go on a clear weekday morning to avoid queues. The walk around the summit is free.
  • Star Ferry - Ride the green and white ferries between Central and Kowloon. It is cheap, frequent, and far more pleasant than the MTR tunnel.
  • The Big Buddha (Tian Tan Buddha) - Visit on Lantau Island. The cable car ride is scenic. Expect crowds by midday. The Buddha sits above a monastery where monks still live.
  • Temple Street Night Market - Open after sunset in Kowloon. Bargain hard for souvenirs. The food stalls nearby serve fresh seafood and noodles.
  • Stanley Beach and Promenade - A quieter part of Hong Kong. The market sells tourist goods, but the waterfront is good for a relaxed lunch.

Whether you ride the Peak Tram or wander Temple Street, plan your timing to miss the worst crowds.

Foods to Try

Hong Kong's food scene is deep and affordable. These dishes are worth seeking out.

  • Dim Sum - Go to a traditional tea house for carts of steamed dumplings, rice rolls, and pork buns. Lunchtime is busiest. Smaller shops often have better quality than large chains.
  • Roast Duck - Cantonese roast duck is crispy-skinned and served with plum sauce. Yat Lok in Central is a reliable choice. Order a half duck if you are alone.
  • Fish Ball Noodle Soup - A street food staple. The fish balls should be springy, not mushy. Try it from a dai pai dong (open-air stall) for the real experience.
  • Egg Tarts - Flaky pastry with a custard centre. Fresh from the oven is best. Avoid pre-packaged versions from convenience stores.
  • Stir-Fried Noodles with Seafood - Available in cha chaan tengs (local cafes). The noodles are thin and the sauce is rich. Ask for less oil if you prefer a lighter meal.

Sample widely. A single meal can cost as little as a few dollars at a dai pai dong or much more at a Michelin-starred restaurant. Both are worth trying.

Best Time to Visit

Hong Kong has a subtropical climate with distinct seasons. October to November is the most comfortable period. Humidity drops, skies are clear, and temperatures sit in the mid-20s Celsius. It is ideal for walking the Peak or taking the Star Ferry. December to February is cooler and dry. You will need a light jacket in the evening. This period includes Lunar New Year (January or February), when many shops close for a few days. March to May warms up quickly. Humidity rises and rain becomes more common. Summer (June to September) is hot, humid, and prone to typhoons. Air conditioning is everywhere, but outdoor sightseeing can be draining. If you visit in summer, plan indoor activities for midday and outdoor trips for early morning or late afternoon. The best advice: aim for October through November for the most reliable weather.

What to Pack

Hong Kong's weather varies, so pack strategically. Here is a practical list.

  • Lightweight, breathable clothing - Cotton or linen works well. Dark colours hide sweat marks. Avoid heavy synthetics in summer.
  • Comfortable walking shoes - You will walk a lot. The MTR involves long corridors and stairs. Break in new shoes before you go.
  • Compact umbrella or rain jacket - Sudden downpours happen year round. A small folding umbrella is easier to carry than a full raincoat.
  • Sun protection (SPF 50+, sunglasses, hat) - The sun is strong even in winter. UV levels are high. A wide-brimmed hat helps when you are outside.
  • Portable phone charger - You will use maps, translation apps, and payment apps frequently. A power bank ensures you stay connected all day.

Prepare for air-conditioned spaces. Restaurants and trains are often very cold. A thin scarf or cardigan can make you more comfortable indoors.

Common Questions

The details worth knowing about your Hong Kong eSIM

No. This eSIM provides coverage only within Hong Kong. If you cross into Macau or Shenzhen, your connection will drop. You would need a separate eSIM or plan that includes those areas.

You may experience weaker signal indoors or in some MTR stations. Operators CMHK, 3 Hong Kong, and HKT use B40 and n79 alongside other bands. SmarTone does not use B40 or n79, so your phone will work on that network without those bands.

The eSIM connects to one of the four major Hong Kong operators: CMHK, 3 Hong Kong, SmarTone, or HKT (csl). Your device picks the strongest available signal automatically; you cannot manually select a specific operator.

No. Prepaid eSIMs purchased online for short-term visitor use do not require local ID or passport registration. You install the eSIM before arrival and it activates upon connecting to a Hong Kong network.

Yes. All four operators provide full 4G and 5G coverage in MTR underground stations and tunnels. Your eSIM will work continuously while you ride the MTR, including between stations.

Compare 1 GB / 7 days, 3 GB / 15 days and 10 GB or more / 30 days. Use the shorter profiles for lighter maps and messaging use, then compare the larger allowance for streaming, video calls or work apps.

The start rule is product-specific. Review the selected plan details before installing it so you know whether any action is required before arrival.

Save the QR code, manual installation details, APN guidance and the support instructions supplied with the selected plan.
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