Best Seoul SIM Card & eSIM Plans

Discover 28 SIM card in Seoul on Trip.com, updated May 15, 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!

From USD 0.08 per person, with an average total of USD 3.18. Choose the option that suits your plan.

With 33.523k verified reviews, SIM card Seoul boast an average rating of 4.6.

This week's most popular SIM card: "South Korea 5G eSIM | ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | QR Code", with 9.782k reviews and a 4.6 rating.

The next available day tour departs on May 16, 2026. Book now to secure your spot!

Seoul SIM card usually take about 1 hours — perfect for a relaxed, immersive experience!

May is the perfect time to visit Seoul! Choose from SIM card available day tours, including seasonal favorites like South Korea 5G eSIM | ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | 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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28 results for Seoul SIM card

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Reviews/Trip Moments

Reviews: South Korea 5G eSIM | ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | QR Code
Guest User2026-04-04
The signal and network speed are both great. I don't know how those negative reviews came about. I'm using an iPhone 17 Pro with this eSIM and the experience is excellent, including in Seoul. I also went to Busan and the signal was still great. The key is the affordable price. I'll definitely buy this again next time I go to Korea.
Reviews: South Korea 5G eSIM | Supports mainstream apps including TikTok, Google Maps & ChatGPT | Day Pass / Total Package | 1–30 Days | 24-Hour Billing | QR code
Guest User2026-04-18
The connection was smooth and the installation was easy. I had no problems using it for several days in Seoul!
Reviews: South Korea 5G eSIM | Daily/Total Package | 500MB/day - 50GB total | 1-30 days | 24-hour format | QR code
Guest User2026-05-14
Although it says it's 5G it was always set on LTE but never had a connection problem. Would recommend.
Reviews: South Korea SKT eSIM | Unlimited Data + 010 phone number | 1-90 days | 24-hour billing | QR code
Guest User2026-05-11
Having a phone number is definitely a good idea for things like waiting lists! However, you can't use it immediately after arriving in the country (it takes an hour during the day, or until the next morning if you arrive late at night), so if you want to use it right away, you can go to the SK Telecom counter and have your phone number activated immediately!
Reviews: [South Korea] SKT Native Card|unlimited data|Includes local number|3–90 days|4G SIM cards|Pick up at South Korea airport
Guest User2026-02-22
It's easy to use, simple and convenient, and has plenty of data! It's fantastic!
Reviews: [Free T-money] Korea KT 4G/LTE Unlimited Data SIM + 010 Phone number | Korea Airports Pick-Up
Guest User2026-04-29
When I showed the reservation barcode at the reception counter, they arranged everything for me right away. The necessary items and instructions were in a bag like the one in the picture. After replacing the CIM card and restarting my smartphone, it worked without any problems. This comes with a phone number, so I recommend it if you have a need for that.
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