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Top picks for Seoul Wi-Fi & SIM cards

Discover 29 Wi-Fi & SIM cards in Seoul on Trip.com, updated January 29, 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!

From EUR 0.08 per person, with an average total of EUR 1.71. Choose the option that suits your plan.

With 41.731k verified reviews, Wi-Fi & SIM cards Seoul boast an average rating of 4.6.

This week's most popular Wi-Fi & SIM cards: "Global (66 countries) | 4G/5G eSIM | Total Package | 1-7 days | 24H Billing | Real-Name Auth Required (Hong Kong & Taiwan) | QR code", with 13.965k reviews and a 4.4 rating.

The next available day tour departs on January 30, 2026. Book now to secure your spot!

Seoul Wi-Fi & SIM cards usually take about 1 hours — perfect for a relaxed, immersive experience!

January is the perfect time to visit Seoul! Choose from Wi-Fi & SIM cards available day tours, including seasonal favorites like Global (66 countries) | 4G/5G eSIM | Total Package | 1-7 days | 24H Billing | Real-Name Auth Required (Hong Kong & Taiwan) | QR code.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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29 results for Seoul Wi-Fi & SIM cards

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Day tours (299)Travel photography (16)City pass (16)Shopping (3)Equipment rental (5)Travel extras (5)Luggage delivery (1)Health check (3)Visas (1)Rail passes (1)Shuttle bus (16)Cultural experiences (71)Costume experiences (16)Hot air balloon rides (1)Aerial tours (1)Spa & beauty (12)Spa & wellness (12)Local cuisine (20)Food & drink (20)Food & drink (20)Boat experiences (2)Sports experiences (2)

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Reviews/Trip Moments

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Reviews: [South Korea] LG U+ Combo Card | Unlimited 4G/5G SIM + T-money Transportation Card (from 3 days) | 1–90 Days | Pickup at Incheon, Gimpo, Gimhae Airports
Guest User2025-11-25
I didn't use the call answering function, and I'm not sure if it's activated or not, but the internet speed is definitely fantastic. I'll definitely buy this again next time I go. The card pickup and installation at the airport are extremely convenient. Highly recommended! It's definitely worth buying; you get what you pay for. The counter is easy to find, and the staff's service is superb. Even though we speak different languages, they made sure you understood. The card is also great for taking the subway and buses; a quick swipe is super convenient and saves you from carrying multiple cards. I can use this again next time.
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Reviews: South Korea SKT | 4G eSIM | Day Pass | Unlimited data + 010 phone number | 24H Billing | 1-90 days | QR code
Guest User2026-01-26
The SIM card worked perfectly from the moment I inserted it. Fast and stable internet, good coverage both in cities and during trips. I had no issues with connection or speed, even when using maps, social media, and video calls. Very easy to activate, no additional setup required. Definitely recommend for travelers visiting Korea.
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Reviews: [South Korea] LG U+ 4G/5G eSIM + T-money Transportation Card | 1–90 Days | QR Code
Guest User2025-06-27
Last time Trip.com had a buy-one-get-one-free promotion, so my friend and I bought SIM cards together. Although this was my first time using LG+eSIM, activating it by scanning the QR code before arrival was easy, and the signal was strong when we arrived at the airport. Upon arrival, you can get a free T-money card from the SK service counter or counter staff; there's no need to buy an empty card and top it up. Then you can directly go to the airport MRT across the street to take the train to the city center.
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Reviews: South Korea 5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | 1-30 Days | QR Code
Guest User2026-01-28
Signal was very strong throughout the entire trip in Seoul. There are a lot of free wifi spots in Seoul (such as buses, train stations), so 2GB/day was plenty for us.
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Reviews: South Korea SKT eSIM | Unlimited Data + 010 phone number | 1-90 days | 24-hour billing | QR code
Guest User2026-01-25
This is my second time visiting Korea. I also used this service on my previous visit. Unlimited data is something no other carrier offers, so it's very useful. However, the signal strength can be poor from 2:00 PM to 4:00 PM, but as long as you can tolerate that, it's an eSIM that works without any issues.
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Reviews: Asia & Oceania 4G/5G eSIM | Daily/Total Data Package | 1–30 Days | 24-Hour Billing | QR Code
Guest User2026-01-21
I ordered two eSIM cards. One for me and one for my wife. For some reason, the connection didn't work in China, which was disappointing at first. Then it turned out I needed to enable roaming in the SIM card settings (iPhone 17). And I got a connection in the Philippines. The reception is pretty good, you can even make video calls.

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