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Toby Keps

Travelled to 12 countries / regions

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I backpacked across Thailand in winter 2019

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Asia > Thailand > Bangkok > Bangkok Suvarnabhumi Airport > Useful Info
Submitted on Dec 31, 2019 Useful Info

How to buy prepaid SIM card at Bangkok Suvarnabhumi International Airport

  • It's very easy to get a tourist SIM card at Bangkok Suvarnabhumi Airport (BKK), which is the main international airport in the city
  • Thailand's 3 major telecom companies — AIS, True, and Dtac — all have stores at Suvarnabhumi, so you have lots of choices there
  • Where the stores are located:
  • AIS has 3 stores:
  1. First one is a small booth located in the baggage pickup hall (before customs and arrival hall) at carousel 12User submitted photo of Bangkok Suvarnabhumi Airport
  2. Second one is also a small booth located in the baggage pickup hall (before customs and arrival hall) at carousel 17User submitted photo of Bangkok Suvarnabhumi Airport
  3. Third one is the main store located in the arrival hall (after baggage pickup and customs), at exit door 6User submitted photo of Bangkok Suvarnabhumi Airport
  • True has 1 booth as far as I know, located in the baggage pickup hall (before customs and arrival hall) at carousel 17 next to the AIS boothUser submitted photo of Bangkok Suvarnabhumi Airport
  • Dtac has 2 stores:
  1. First one is a booth located in the baggage pickup hall (before customs and arrival hall) at carousel 19User submitted photo of Bangkok Suvarnabhumi Airport
  2. Second one is the main store located in the arrival hall (after baggage pickup and customs), at exit door 7 next to the AIS storeUser submitted photo of Bangkok Suvarnabhumi Airport
  • SIM card prices: Dtac has the cheapest plan if you don't need more than 9GB of data. If you need large amounts of data, True is your best bet
  • AIS:
  • 7 days unlimited data capped at 1 Mbps (very slow): 219-299 baht ($7.4-$10 USD)
  • 10 days 32GB at 4 Mbps: 419 baht ($14 USD)
  • 15 days 60GB at 4 Mbps: 599 baht ($20 USD)
  • 15 days 75GB at 4 Mbps: 699 baht ($23.5 USD)
  • 30 days 200GB at 4 Mbps: 899 baht ($30 USD)
  • 30 days 250GB at 4 Mbps: 1099 baht ($37 USD)User submitted photo of Bangkok Suvarnabhumi Airport
  • True:
  • 7 days 4.5GB at 2 Mbps (slow): 200 baht ($6.75USD)
  • 8 days 9-19GB at max speed: 299 baht ($10USD). 9GB plan has 100 baht of calling credit, the 19GB plan has no calling credit
  • 15 days 60GB at 4 Mbps: 549 baht ($18.5USD)
  • 15 days 8GB at max speed: 599 baht ($20USD)
  • 15 days 18GB at max speed: 699 baht ($23.5USD)
  • 30 days 100GB at 4 Mbps: 599 baht ($20USD)
  • 30 days 250GB at 4 Mbps: 1049 baht ($35.25USD)
  • 30 days 25GB at max speed: 1150 baht ($38.65USD)
  • 30 days unlimited data at max speed: 1650 baht ($55.5USD)User submitted photo of Bangkok Suvarnabhumi Airport
  • Dtac:
  • 7 days 9GB at max speed: 199 baht ($6.75USD)
  • 8 days 15-25GB at max speed: 299 baht ($10USD). 15GB plan comes with 15 baht of calling credit; 25GB plan does not have any calling credits
  • 15 days 40GB at max speed: 599 baht ($20USD)
  • 20 days 5GB at max speed: 399 baht ($13.5USD)
  • 30 days 10GB at max speed: 599 baht ($20USD)
  • 30 days 12GB at max speed: 399 baht ($13.5USD)
  • 30 days 33GB at 10 Mbps: 1249 baht ($42USD)User submitted photo of Bangkok Suvarnabhumi Airport
  • Payment method: you can use either cash Thai baht or major credit cards (Visa and MasterCard for sure. I think AMEX and JCB are also accepted but I'm not 100% sure)
  • Store hours: the stores are open 24 hours a day as the airport runs all day long. I landed at midnight and the airport was packed with people, and all the telecom stores that sell SIM cards were open for business
  • Which telecom to go with:
  • Aside from price considerations, the other thing to think about is the coverage area of the three telecom companies.
  • Generally speaking AIS > True > Dtac
  • In Bangkok, they all have similar coverage. However, speaking from personal experience (I got Dtac), I found that even in central Bangkok their fast signal could disappear when I went into some buildings, and sometimes the network speed was very slow
  • If you're planning to travel all over Thailand, AIS will give you the best coverage.
  • AIS coverage map:User submitted photo of Bangkok Suvarnabhumi Airport
  • True coverage map:User submitted photo of Bangkok Suvarnabhumi Airport
  • Dtac coverage map:User submitted photo of Bangkok Suvarnabhumi Airport
  • Coverage maps courtesy of https://www.nperf.com/en/map
  • Other tips for getting a SIM card at BKK:
  • Make sure your phone is unlocked. Call your carrier at home to check before you depart for Thailand
  • Switching the SIM card is super easy. The cashier at any of these stores can help you set it up and it takes less than 2 minutes to do
  • You will have to show your passport to buy a SIM card at BKK so have that handy on you