If you’ve just landed and need mobile data, you’ll be glad to know you can buy a SIM card at Heathrow Airport in every terminal. You’re arriving for a holiday, business trip, or connecting to another city? Heathrow offers several convenient spots to get connected right after you clear customs.

SIM cards are typically sold at arrivals halls in well-known convenience stores like WHSmith, dedicated Sim Local kiosks, and even some currency exchange counters. You’ll find options from major UK providers such as EE, Vodafone, O2, and Three. Also international SIM cards specifically designed for roaming.

If you’re looking for the best sim card for travelers UK, TappAXI makes it easy to compare packages so you can choose the right balance of data, calls, and price before you even leave the airport.

SIM Card Overview at Heathrow

  • Types Available: Local UK prepaid SIM cards, international tourist SIMs, and sometimes eSIM activation.
  • SIM Card Providers: EE, Vodafone, O2, Three, Lycamobile, Lebara.
  • Typical Price Range: £10–£40 depending on data allowance and validity.
  • Payment: Card and cash both accepted at all vendors.
  • Activation: Usually instant; some may require a quick ID check.

Where to Buy a SIM Card? Terminal by Terminal Guide

Terminal 2 – The Queen’s Terminal

Terminal 2 is home to a good mix of SIM card vendors. After collecting your luggage and passing through customs, you’ll find:

  • Sim Local kiosk – Offers tourist-friendly bundles from leading providers.
  • WHSmith – Sells prepaid SIM cards alongside travel essentials.
  • Currency Exchange Counters – Sometimes stock SIM cards, especially Lycamobile and Lebara.
Where to buy SIM at Heathrow Airport terminal 2. map Location .

Opening Hours: Most stores operate between 6am and 10pm.
Tip: Compare data allowances before purchasing, as tourist SIMs often include generous roaming packages.

Terminal 3

If you land at Terminal 3, finding a SIM card is straightforward:

  • Sim Local kiosk – Located in the arrivals hall.
  • WHSmith – Stocks a variety of prepaid SIMs.
  • Post Office (landside) – Sometimes sells SIM cards alongside postal services.

Terminal 3 is popular for long-haul flights from US, Asia, and Australia, And you’ll find plenty of SIM cards designed for international use. Prices are competitive, but it’s worth walking between kiosks to compare bundles before deciding.

how to buy SIM at Heathrow Airport terminal 3. map Location .

Terminal 4

Terminal 4 is smaller, but you’ll still have options:

  • WHSmith – Stocks SIM cards from popular UK networks.
  • Sim Local – Offers quick-activation tourist SIMs.

Heathrow terminal 4 handles many flights from the Middle East and Asia, so you might find packages with excellent international calling rates. If you’re heading straight to London or other UK destinations, buying here will save you time later.

Terminal 5

If you’re searching specifically for where to buy SIM card Heathrow Terminal 5, you’ll find multiple outlets right after the baggage claim:

  • WHSmith – Several outlets in arrivals and landside areas.
  • Sim Local store – Dedicated to SIM sales, with a wide range of plans.
  • Currency Exchange Counters – Occasionally stock SIM cards, but often at slightly higher rates.
Sim Local Unit at Heathrow airport

Terminal 5 is one of Heathrow’s busiest, so queues at peak times are possible. If you’re in a rush, Sim Local kiosks are often the quickest way to get a card activated.

SIM Card Price Guide

While prices can change, here’s a typical range you might see at Heathrow:

ProviderDataCalls/SMSPrice (approx)Available At
EE20GBUnlimited£30WHSmith, Sim Local
Vodafone25GBUnlimited£35Sim Local
Three12GBUnlimited£25WHSmith
Lycamobile10GB500 mins£20Sim Local, Currency Exchange
Lebara15GB500 mins£25WHSmith, Sim Local

Note: Prices at Heathrow are slightly higher than buying in central London, but the convenience of being connected immediately often outweighs the difference.

Try eSIM

If you have a phone that supports eSIM, you may be able to skip the physical card entirely. Some vendors at Heathrow offer eSIM QR codes, which can be activated on the spot. This is ideal for frequent travelers who don’t want to swap physical SIM cards.

Tips for Buying a SIM Card at Heathrow

  1. Compare before you buy – Data, validity, and international call rates vary widely.
  2. Buy in arrivals – It’s easier than searching for a store in central London after a long flight.
  3. Have ID ready – Some networks may ask for a passport for activation.
  4. Avoid impulse buys – Walk around arrivals to see what’s available.

Where to Buy a SIM Card at Heathrow Airport

TerminalVendorsLocationNotes
T2WHSmith, Sim Local, Currency ExchangeArrivals HallGood variety, tourist bundles
T3WHSmith, Sim Local, Post OfficeArrivals HallIdeal for long-haul arrivals
T4WHSmith, Sim LocalArrivals HallSmaller selection but quick service
T5WHSmith, Sim Local, Currency ExchangeArrivals HallBusy terminal, high stock

Once You Have Your SIM Card – Lets Getting Fast

After sorting your mobile connection, the next step is getting to your destination comfortably. TappAXI offers reliable Heathrow Airport taxi service, providing fixed-price transfers to anywhere in London or the UK. Whether you’re traveling alone or with family, our professional drivers and 24/7 availability mean you can leave the airport anytime and stress-free.

You can buy a SIM card at Heathrow. It is now quick and convenient in every terminal. From where to buy sim card Heathrow Terminal 5 to finding the best sim card for travelers UK, this guide covers all your choices.