Bangkok is a city you navigate with your thumb. The Skytrain rattles over Sukhumvit while the traffic below argues to a standstill, the river express boats leave on their own schedule with the stop written only in Thai, and the best boat noodles are down an alley that no sign points to. Most of it runs through your phone. A travel eSIM puts you on a Thai network the moment you step into the arrivals hall at Suvarnabhumi, with no counter, no queue and no card swap in the back of a taxi.
Typical data use in Bangkok, per day
- Maps, Skytrain and river boats~30MB
a full day of navigating on foot and by boat is usually 10–40 MB
- Ride-hailing and food orders~25MB
mostly map tiles and text, rarely past 30 MB in a day
- Messaging and camera photos~60MB
text is close to free; a handful of street-food photos adds 20–100 MB
- Stories from the night market~150MB
100–200 MB an hour, more when video autoplays
- Video uploaded from the boat~500MB
one minute of phone video is often 300–700 MB
Typical ranges, not guarantees — app settings, video quality and how much you upload move these numbers a long way.
Three ways to get online in Bangkok
Airport SIM counter
Cheap per gigabyte, with a queue
- Where
- Arrivals hall at Suvarnabhumi, plus shops around the city
- Setup
- Queue at the desk, fill in the forms, swap out your home SIM
- What you get
- Data with a Thai number attached
- Price
- Counter pricing changes — we don't quote numbers we haven't verified
Genuinely good value if you are staying a while and don't mind the errand. It is also the option that takes your home SIM out of the phone.
Travel eSIM
Buy before you fly, land connected
- Where
- Already in your phone, installed at home on Wi-Fi
- Setup
- Switch it on after landing — about a minute
- What you get
- Data only, no Thai number, your home SIM stays put
- Price
- 1GB / 7 days is $2.50; 3GB / 30 days is $4.50
The calm choice for a city trip: online before the baggage belt, and your own number never leaves the handset.
Hotel and café Wi-Fi
Free, and only where it reaches
- Where
- Your hotel, the malls, most cafés
- Setup
- A password, sometimes a form
- What you get
- Nothing on the Skytrain, the pier, or the soi at midnight
- Price
- Free
Worth using for evening uploads and big downloads. It is not a plan for a day of navigating.
Skip the counter at Suvarnabhumi
There are SIM desks in the arrivals hall, and after a long flight the last thing anyone wants is another queue. They are not a bad choice — they are simply an errand at the exact moment you would rather be finding the Airport Rail Link.
With an eSIM you install everything at home on Wi-Fi, keep your own SIM in the phone, and point mobile data at the travel line when you land. By the time the train pulls out of the station, you are already checking which interchange to change at.
Who's carrying your signal
Our Bangkok plans run on TrueMove H and DTAC, two of Thailand's main networks. They are strongest where you actually spend a day: Sukhumvit, Silom, Siam, Yaowarat, the shopping malls, the river piers and the streets around them.
Be clear about the edges. Deep inside an MRT platform, under a concrete overpass or in the middle of a packed night market, a phone can hunt for signal for a few seconds — that is true of every network in every city, and we have not measured every station in Bangkok for you. Treat a short gap as something that can happen, not as a fault in the plan.
What a Bangkok trip costs, honestly
Our Bangkok plans start at 1GB for 7 days at $2.50 — maps, ride-hailing and messages across a long weekend, with room to spare. A normal week of sightseeing sits comfortably on 3GB for 30 days at $4.50. A week with evening photo uploads and calls back home is happier on 10GB for 30 days at $12.00.
Then there is the plan worth stopping for: 50GB for 10 days at $17.50. That is less than the 20GB, 30-day plan at $20.50, for two and a half times the data. Bangkok trips tend to be short and heavy — navigation all day, rides across town, video of the train passing overhead — so if yours finishes inside ten days, that is the honest bargain in the list.
How much data does a Bangkok week eat?
Less than most people fear, and far more than they expect if they upload video. A day of navigation, a dozen ride-hails, messaging all day and a handful of camera photos typically lands at around a hundred megabytes. Add a few stories from a night market and it climbs. Post a minute of video from the river and a single evening can eat several hundred megabytes on its own.
The table above is a typical day, not a rule. Bangkok's malls, cafés and hotels all have Wi-Fi — let it take the big uploads in the evening and keep your plan's data for the street.
Data only, and a 60-second landing checklist
Our plans are fixed data plans: no Thai phone number and no calls. Keep your own SIM in the phone for calls, and let the eSIM carry everything else.
When you land: turn the travel line on, set Mobile Data to it, and switch Data Roaming off on your home SIM so it cannot quietly run up a bill. Open your map, order the ride, and go and find the boat noodles.
Boarding passes for Thailand
Live prices in USD, all fees included.
TH · Nationwide
1GB
7 days · best entry price
$2.50
TH · Nationwide
2GB
15 days
$4.50
TH · Nationwide
3GB
15 days
$4.50
TH · Nationwide
3GB
30 days
$4.50
TH · Nationwide
5GB
30 days
$7.00
TH · Nationwide
10GB
30 days
$12.00
Quick answers
Does a Bangkok eSIM give me a Thai phone number?
No. It is a data-only plan, with no local number and no calls. Keep your own SIM in the phone for calls and use your calling apps over the eSIM data.
When do my plan's days start?
When the eSIM first connects to a network in Thailand, not when you buy or install it. Install at home on Wi-Fi and the clock waits for you.
I'm only in Bangkok for 48 hours — is it worth it?
For two days, the 1GB plan for 7 days at $2.50 covers maps, ride-hailing and messages with room to spare. On cost it depends on what your own carrier charges abroad, which we cannot see — on effort, it wins outright, because nothing happens at the airport.
Is the data unlimited?
No. Every plan we sell is fixed data: an exact number of gigabytes for an exact number of days, with both on the card before you pay. Plans sold as unlimited elsewhere usually carry a fair-use threshold that slows them after a set amount — read that number before you buy, wherever you buy. If you are unsure here, take one size up: 10GB for 30 days at $12.00 is the comfortable middle of the Bangkok range.
Does it work outside Bangkok — Chiang Mai, Phuket, the islands?
Yes. These are our Thailand plans, sold for the country, so one plan carries you from Suvarnabhumi north or out to the islands without buying again. Signal is strongest in the cities and tourist centres, thinner away from the main roads, and can drop entirely on open water — download an offline map before you go.
New to eSIM? Read the installation guide and check your phone on the compatibility page.