The short answer
Bangkok and the islands, then south to Kuala Lumpur and Penang by plane or by train, is a classic two-week route. I priced the six regional Asia plans on 25 October 2026 for a week, two weeks and a month, read how each brand defines unlimited, and added up the two Ringo Light country plans. For two weeks or a month across both, I would buy the Ringo Light Asia plan.
One eSIM for Thailand and Malaysia, unlimited data at full speed, 2 weeks at $34.99 or 30 days at $59.99, nothing renews. Airalo asks $49 for 15 days and $73.50 for the month.
For a quick Bangkok and Kuala Lumpur loop: 3 days of unlimited at $11.50, with 3 GB a day at full speed, then 1 Mbps.
For a route where you mostly use maps and messaging: 10 GB for 30 days at $21 and 20 GB for 45 days at $35 (on sale, regular $40).
Seven days across both with 25 GB at full speed for $25, then 2 Mbps. 20 GB a month for $19 if a plan that renews suits you.
Prices read on 25 October 2026: Airalo, Holafly, Saily, Nomad, Ubigi on their own sites or listings, Ringo Light from its catalogue. All in US dollars unless stated. Treat every number as a snapshot.
See the full price index for every country.
The prices, charted
Asia regional plans that cover both, US dollars, 25 October 2026. Ringo Light sells 2 weeks, the others 15 days. Ubigi's 15 days is 30 GB at full speed, then 2 Mbps. Nomad sells no two-week unlimited; its longest is 10 days at $29.
The 30-day regional plan at each brand. Ubigi's month is 60 GB at full speed, then 2 Mbps. Nomad sells no 30-day unlimited.
Holafly sells no buckets. Ringo Light sells no bucket either: its 2 weeks is unlimited, so it lasts 2 weeks, not 30 days.
Side by side
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Get Ringo Light for Thailand and Malaysia, from $21.99.
Installed once, next to your own SIM. Your eSIM arrives by email in seconds.
- 7 days $21.99
- 2 weeks $34.99
- 30 days $59.99
- 90 days $73.99
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What to do in Thailand and Malaysia, and what your phone needs for it
Eight places most trips through Thailand and Malaysia include, four in each, with the one thing your data does for you at each. One Asia eSIM works at every stop.
One plan for both countries: Ringo Light
Thailand and Malaysia share a long border, and plenty of travellers go from Bangkok or Phuket to Penang and Kuala Lumpur without thinking of it as a big move. The eSIM should not make it one. A regional plan is installed once at home and nothing changes when you cross. With two country eSIMs you carry two plans, and one of them sits unused for half the trip.
On the Asia plan, I read Ringo Light at $34.99 for 2 weeks and $59.99 for 30 days, nothing renews. For two weeks on a regional plan, Ubigi asks $45 for a fixed 30 GB at full speed, Airalo $49, Holafly $51.50 and Saily $54.99. For a month, the rivals run $66 to $86.99.
Thailand's 2 weeks is $22.99 and Malaysia's $16.99 on their own pages, $39.98 together, against $34.99 for the Asia trip that covers both. For a month, Thailand's 30 days is $32.99 and Malaysia's $35.99, $68.98 together, against $59.99 for Asia.
The gap is small for two weeks, so read it as a convenience win, not a bargain. And if you spend a month in Thailand alone, its own 30 days at $32.99 beats the Asia plan at $59.99. The Asia plan is the one I would buy when the trip really includes both.
Which plans cover both countries
Ringo Light covers both. Thailand and Malaysia are on its list of 20 countries, so one eSIM works in each, at the same price and the same terms.
For the rivals, the parent Asia post gives the country counts (Airalo 18, Holafly 16, Saily 22, Nomad 14, Ubigi 17) and the few countries Airalo and Holafly leave out, and Thailand and Malaysia are not among them. I could not confirm both countries on every brand's list on the day, so I would open the list for your plan before you pay.
If you want a data bucket: Nomad or Airalo
- Nomad, $21 for 10 GB. The cheapest 10 GB on its 14-country APAC plan, and 20 GB for 45 days at $35 (on sale, regular $40).
- Airalo, $25 for 10 GB. Asialink, 18 countries, 20 GB for 30 days at $39, buckets from $4 for 1 GB.
- Ubigi, $28 for 10 GB. Best Asia, 17 countries. Its 20 GB for $19 is a monthly plan that renews until you stop it.
- Saily, $35.99 for 10 GB. Asia and Oceania, 22 countries, no 20 GB bucket on its listing. Read on saily.com, 25 October 2026.
- ✓Ringo Light, no buckets. Ringo Light's 2 weeks is unlimited for $34.99 and its 30 days unlimited for $59.99. For a fixed 10 GB, Nomad and Airalo are cheaper, and for 20 GB, Nomad, Airalo and Ubigi's monthly plan are all cheaper. Buckets are not my choice here, but they suit a light user.
What Ringo Light is
Ringo Light is the data eSIM I write for, so keep that in mind. Ringo sells it to fund the full Ringo, one plan that works everywhere with your own number ported onto it. For Asia it sells two trips across 20 countries, Thailand and Malaysia among them, both unlimited data at full speed: 2 weeks at $34.99 and 30 days at $59.99. Nothing renews. The eSIM arrives by email in seconds and installs in one scan, no app.
The buy card sits further up the page, after the side-by-side table.
Pick by trip
I would look at the Thailand page. Ringo Light sells no week, but its Thailand 2 weeks at $22.99 costs less than the Asia plan.
I would buy Airalo unlimited, 3 days, $11.50, or Ubigi's week with 25 GB at $25. Ringo Light has no short plan on the Asia trip.
I would buy Ringo Light unlimited, 2 weeks, $34.99, less than any rival charges for two weeks on a regional plan.
I would buy Ringo Light unlimited, 30 days, $59.99.
I would buy Nomad 10 GB for 30 days at $21, if its 14 countries include both of yours.
None of these data plans keeps it. The full Ringo, which Ringo Light funds, ports the number you have.
Frequently asked questions
How we compared, and our sources
Airalo, Holafly, Saily, Nomad, Ubigi, Ringo Light
We priced Airalo, Holafly, Saily, Nomad, Ubigi and Ringo Light for Thailand and Malaysia on 25 October 2026, all on the same day, in US dollars. Each rival's price comes from its own website where it showed dollars, otherwise from an esimdb.com listing, and every source and its date is listed below. Ringo Light's prices come from the catalogue our checkout charges.
We compare the trips people actually book: a week, two weeks and a month of unlimited data, and a 10 GB bucket. We read each brand's fair use and speed rules and quote them as the brands state them. We did not run speed tests, so this page makes no speed claims for any brand.
Ringo Light is our own product. We put it in the table on the same terms as everyone else, and where a rival is the better buy the page says so.
Left out: Maya Mobile. We could not read its own prices for this country on the day, so it stays out rather than being guessed.
- Airalo: www.airalo.com/asia-esim?currency=USD, Asialink unlimited, 18 countries and the 3 GB daily cap read on the site in dollars, 25 October 2026; 10 GB and 20 GB buckets from esimdb.com/vietnam/airalo, listing dated 4 October 2026
- Holafly: esim.holafly.com/esim-asia/, prices in dollars and the 16-country list on the site, 25 October 2026
- Saily: saily.com/esim-asia-and-oceania/, Asia and Oceania plans, prices in dollars on saily.com, read 25 October 2026
- Nomad: www.nomadesim.com/apac-esim, Regional APAC plans, prices in dollars from the page itself, read 25 October 2026; 20 GB for 45 days is on sale, $40 regular
- Ubigi: cellulardata.ubigi.com/rates-and-coverage/best-asia-data-plans/best-asia-unlimited-30-days/, Best Asia plan pages on cellulardata.ubigi.com, 25 October 2026: 7 days $25, 15 days $45, 30 days $66, 10 GB $28, 20 GB a month $19
- Ringo Light: our own catalogue, the prices the checkout charges on 25 October 2026.
Written and priced by the Ringo team. Prices change often; if you spot one that has moved, tell us through the contact page and we will update the table.
