When traveling to the UK, one of the essential items in your luggage is a UK tourist SIM card. Much cheaper than roaming, a UK 4G SIM is the top choice for staying in touch with loved ones in Vietnam, making emergency calls, or simply accessing the internet to instantly share those amazing travel photos. So, should you buy a SIM at the UK airport? Which counter should you choose? Let's find out in the article below!

UK 4G SIM
Information about mobile carriers in the UK
There are quite a few telecommunications service providers in the UK, but Vietnamese students often use the following carriers: Giffgaff, Three, Vodafone, O2. Each carrier has various plans for you to choose from. In addition to domestic texting and calls, there are 3G, 4G services with various data packages and fees. These plans are not fixed; depending on the time of year, each carrier offers unique promotions.
In the UK, the main carriers are: Giffgaff, Three, Vodafone, O2
However, Three is the most chosen carrier by tourists. This SIM provider has a plan worth 20 pounds (approximately 23.7 EUR) for 30 days. You get 3000 minutes of calls, 3000 SMS, and 12 GB of data free in the UK and 70 other countries.
Currently, there are some units in Vietnam that sell pre-activated Three SIMs with costs ranging from 650,000 to 800,000 VND depending on the data capacity.
>> Want to know where to buy a reputable tourist SIM card? See where to buy: UK SIM
Should you buy a SIM at the UK airport
At all UK airports, there are stalls selling tourist 4G SIM cards. You can choose a SIM that suits your needs with various prices and data capacities. Some UK airports even have people approaching you to offer SIM cards, so you don't have to ask. While convenient, generally, after landing, you have to deal with baggage claim, exiting the airport, and getting a taxi to the city center, which can be quite hectic and stressful. Buying a tourist 4G SIM at the airport can make things even more difficult. Moreover, buying a tourist 4G SIM at the airport is only suitable for those who are familiar with the airport layout.
Buying a SIM at the UK airport can be very time-consuming
To resolve all hassle, most tourists now choose to buy SIM cards in their home country. This also conveniently allows them to purchase SIMs for different countries in a single purchase. By buying a UK tourist SIM in Vietnam, you don't have to wait for complicated registration procedures because the SIM is pre-activated, so you can use it immediately by just inserting it.
>>> If you find that the SIM does not meet your internet needs, you should: Rent a Wi-Fi device for your trip to the UK
Reputable place to buy UK SIM cards in Vietnam
Sahaha is known as a company that sells tourist SIM cards with huge 3G/4G data capacity, allowing calls and free international roaming. Sahaha specializes in selling 3G/4G data SIM cards that can be used for calls in 193 countries. If you want to buy a UK SIM card in Vietnam, visit Sahaha – Vietnam's No. 1 International Tourist SIM World.
Sahaha - A reputable and affordable SIM provider for the UK
Currently, Sahaha offers the following plans for UK SIM cards. Customers can refer to and choose from them!
15-day plan
- Usage period: 15 Days
- Capacity: 6GB, with 4G high speed
- Internet access stops after 6GB is used up
- Free calls via social networks such as: Zalo, Viber, Facebook, Facetime
- Carrier: Roaming with UK carrier
- No need to activate settings, just plug and use
30-day plan with 5GB capacity
- Usage period: 30 Days
- Capacity: 5GB, with 4G high speed
- Includes 3000 minutes of domestic calls and 3000 domestic SMS within Europe
- Free calls via social networks such as: Zalo, Viber, Facebook, Facetime
- Carrier: Roaming with European carrier
- No need to activate settings, just plug and use
30-day plan with 12GB capacity
- Usage period: 30 Days
- Capacity: 12GB, with 4G high speed
- Includes 3000 minutes of domestic calls and 3000 domestic SMS within Europe
- Free calls via social networks such as: Zalo, Viber, Facebook, Facetime
- Carrier: Roaming with European carrier
- No need to activate settings, just plug and use
Additionally, if you have any other issues regarding UK SIM cards or need consultation support, you can call the hotline: 19002106 – (028)71066886. Sahaha's support team is always ready to assist everyone. To order online, you can visit the website: https://3gwfmt.net all information as well as the list of beautiful SIM cards and their prices are always publicly listed on our website.
VIDEO EXPERIENCE TRAVELING TO THE UK
Experience traveling to the UK
With the information above, we hope you know whether you are suitable for the 4G SIM service purchased at the UK airport or buying and receiving a 4G travel SIM right in Vietnam from Sahaha. Wish you a pleasant trip!
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