Best SIM Card, eSIM and WiFi for South Korea Travel – Updated 2026

Last updated: August 7, 2026

It’s hard to imagine traveling in a foreign country without the internet these days. Although South Korea provides free internet services in public places, you will definitely need to access the internet during your trip. However, finding the best SIM card or WiFi is not easy. Comparing the options of SIM cards and WiFi is an almost impossible mission for ordinary people.

Fortunately, I worked for a telecommunication company in South Korea for a long time. So I did your homework for you. I investigated all the SIM card, WiFi, and eSIM product options of multiple service providers.

Some companies say they provide unlimited 4G internet access. However, the products provide 128kbps, which is almost unusable in this multimedia world after the data of the 4G speed is used up. Staying connected during your travel to Korea shouldn’t have to be complicated. Here are the best ways to do so.

So I compiled and compared prices and options of SIM, eSIM, and Wifi products for your trip to South Korea. It took over a week to make this spreadsheet. You can easily find your perfect-fit product at the best price. Check it out!

Korea SIM, eSIM, WiFi Comparison Table

Use filters to find the product you’re looking for. Click on a product in the table to view detailed information.

TypeeSIMSIMWiFiDays1 Days3 Days4 Days5 Days7 Days8 Days10 Days12 Days14 Days15 Days20 Days30 Days40 Days60 DaysPick UpHK/Macau/TW/Mainland ChinaHong KongMalaysiaOnlineSingaporeSouth KoreaTaiwanVietnam (Hanoi & Halong Bay, Ho Chi Minh)WorldwideData/VoiceData + Calls and texts (Extra Top-up)Data + Domestic Call and Texts (extra topup)Data + Optional Voice & SMSData + VoiceData + Voice + SMSData onlyUnlimited Data + Calls and texts (Extra Top-up)Data LimitLimitedUnlimited4G Limit10 GB + 2 GB100GB10GB10GB + 2GB/day10GB/30days10mbps/10mbps12GB + 2GB/day15GB15GB/30days1GB1GB/4days1GB/day20GB20GB/30days2GB2GB/day300 MB300MB30GB30GB/30days3GB3GB/7days3GB/day40GB/30days4GB/day500MB/day50GB50mbps/150mbps5GB5GB/30days6GBFirst 10GB high speedNo DataUnlimitedUp to 30mpbsAfter 4G100 Mbps.10Mbps10mbps/10mbps128kbps20Mbps256kbps2G/3G3Mbps50mbps/150mbps5MbpsBe decreasedExtra dataNo DataUnlimited 4GUp to 30mpbsApply FiltersReset

Which is better, SIM or Pocket WiFi?

To determine which is best for you, think about your answers for the below questions:
1. How many people in your group will be connected to the internet?
2. How long is your trip?
3. Are you guys keep sticking around together during your trip?

You can use your SIM card on a phone but people can connect up to 3 devices on the same pocket WiFi. (Service providers say up to 5 people can connect, but if you try it, you will understand why I say you can connect up to 3 people.) Using a SIM card is easy and private. You don’t need to return it. They also give a discount for every additional day you buy.

A Pocket WiFi is good for two or three people and is also cheaper than a SIM card. However, you always have to bring it with you and recharge it regularly. You also need to return it when you leave. They provide a huge discount from the 6th day.

Hopefully, this information has helped you determine what works best for your trip!

How To Find The Best SIM Card for Your Korea Travel

So now you’ve decided a SIM card is the best option for you. What happens next? I checked a lot of travel agencies and telecommunication service providers’ websites to compile the best information here.

Things to be considered when you select SIM

• How many days are you going to stay in Korea?
  • Most products provide multiple-day options. However, some don’t.
• Do you need only data? Or need voice and text services as well? Here are the options for data and voice services.
  • Data Only
  • Data + Incoming Calls + Incoming Texts
  • Data + Limited Calls + Texts
  • Data + Calls + Texts
• Does your phone support eSIM?
  • If your phone supports eSIM, it’s an easier and faster way to use data on your phone.
  • Go to check eSIM services for South Korea
• How much data do you want per day?
  • Some cheap products have a data limit of one day. If you want to use your data as much as you want without worrying, choose an unlimited data plan.

Compare The Best SIM Card Services

Let’s compare the 4G Unlimited Data SIM Products (Korea Airport Pickup) of famous global online travel agencies. You can choose the product considering the days you want to rent and move to the product page by clicking the prices. Also, there’s an option of SIM card delivery to your door!

If you want to see all the products with detailed options, visit our ‘4G/LTE SIM Card (Pick-Up in Korea)‘ product page.

How To Find The Best SIM Card for Your Korea Travel

When you travel with one or two friends, a pocket WiFi can be the best choice to stay connected. Here’s the cheapest pocket WiFi rental service for your Korea travel.

Things to know before you buy a pocket WiFi

• Maximum number of connected devices: 3
• Battery life: 8~9 hours
• 4G/LTE Max speed: Download 150Mbps / Upload 50Mbps

Compare The Best Pocket WiFi Services

If you want to see all the products with detailed options, visit our ‘Unlimited Data 4G WiFi (Pick-Up in Korea)‘ product page.

How To Find The Best eSIM for Your Korea Travel

If you have recent smartphones, you don’t need to buy a hardware SIM card. An eSIM is a software SIM card that can be embedded in your smartphone.

You can easily purchase software eSIM online. Needless to say, you don’t have to struggle to find a SIM pick-up area at the airport. Just search your destination, select the data plan you want, and add the eSIM to your smartphone.

Things to know before you buy eSIM

I extolled the virtues of eSIM. However, there are still some limitations to using it.

• Please, make sure if your device is eSIM supported and unlocked
• Prepaid eSIM doesn’t provide a phone number. It’s a data-only plan.
• You may see the Unlimited Data Plan. It’s literally ‘Unlimited’, but there is a certain high-speed data usage limit. When you exceed the limit, you will be limited to a lower speed rate.
• It’s not refundable.

Moreover, they support regional SIM as well so that you can use it in many different countries in the same region. Check your smartphone supports eSIM HERE!

eSIM Price for South Korea

• Unlimited for 10 Days – US$32
• Unlimited for 30 Days – US$62

SIM or Pocket WiFi Rental Inside Seoul

What about if you couldn’t make a reservation to pick up your SIM card or portable WiFi? You can buy or rent them in the stores nearby but the price won’t be the same as purchasing it online. But no worries! An online booking service supports a Seoul pick-up in Hongdae and Euljiro (Myeongdong) areas.

• Pocket WiFi Rental Service – Pick up at Gangbyeon Stn. (Gangnam) Yeoksam Stn. Suwon City Hall Stn.
• 4G SIM card – Pick up at Myeongdong Office, Seoul

Pocket WiFi rental in Hongdae

Here at Travel Depot near Hongik University Station exit3, you can rent a pocket wifi. Please note that there’s a deposit of a device, 100,000KRW that will be refunded when you return it to the shop. Plus, SIM cards, money exchanges, and coin lockers are available here!

• Address: 183, Yangwha-ro, Mapo-gu, Seoul | 서울 마포구 양화로 183
• Direction: 1 minute walking from Hongik Univ. station exit 3
• Open hours: Everyday 10:30 – 19:30
• Phone: 070-8955-3594

Stay connected during your travel to Korea to help make your trip safe and comfortable.

Written by Dy & Jay.

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