Thailand eSIM deals: HelloRoam from $3.49
HelloRoam is the top pick for Thailand: 5 GB for 30 days costs $6.99, against $7.00 at Airalo (prices checked 30 Oct 2026). HelloRoam and Holafly both hold a 180-day refund window on unactivated plans; Nomad and Saily hold 30 days and Airalo 14. Airalo lists 200+ destinations to the 185 HelloRoam sells.
Every promotion the five providers publish, set beside HelloRoam's 5 Thailand plans and the rival prices read on 30 Oct 2026. An eSIM in Thailand attaches to AIS, DTAC, True Move or TrueMove H on 5G.
Thailand eSIM plans, lowest price first
| Data | Price | Per GB |
|---|---|---|
| 1GB | $3.49 | $3.49/GB |
| 3GB | $4.99 | $1.66/GB |
| 5GB | $6.99 | $1.40/GB |
| 10GB | $9.97 | $1.00/GB |
| 20GB | $15.99 | $0.80/GB |
The best Thailand rate per GB is $0.80, on the 20GB plan at $15.99.
Rival prices below were read on 30 Oct 2026.
Active Thailand eSIM promotions
Each offer is the provider's own published promotion. Provider offers apply to all destinations, not to Thailand alone, and change without notice.
Saily: Seasonal Sales
Discount: up to 10% off during seasonal sales
Conditions: Seasonal promotions, Black Friday
Thailand 1GB: $2.99 (read 30 Oct 2026) → $2.69 at best, since every figure above is an “up to” allowance
Visit Saily →HelloRoam: Catalogue Price
Discount: No standing code: the catalogue price is the price
Conditions: Billed in 31 checkout currencies
Thailand 1GB: $3.49, from the 29 Oct 2026 catalogue
See HelloRoam's Thailand plans →Airalo: Code ALOHA
Discount: up to $5 off a first purchase
Conditions: First purchase only
Thailand 1GB: $4.00 (read 30 Oct 2026) → $0.00 at best, since every figure above is an “up to” allowance
Apply ALOHA →Nomad: Flash Sales
Discount: up to 20% off on select regions
Conditions: Monthly flash events, in-app only
Thailand 1GB: $5.00 (read 30 Oct 2026) → $4.00 at best, since every figure above is an “up to” allowance
Visit Nomad →Holafly: Partner Discount
Discount: 5% off, applied automatically via partner link
Conditions: Via partner/affiliate link
Thailand 7-day unlimited: $27.50 (read 30 Oct 2026) → $26.13 at best, since every figure above is an “up to” allowance
Visit Holafly →We may earn a commission if you buy through these links. All prices in USD.
Seasonal pricing patterns
How Thailand eSIM prices shift throughout the year.
Thailand seasonal trends
Airport SIM counters charge 20-30% more than the same plans sold at 7-Eleven or carrier stores in the city. Peak season: Nov-Feb, Jul-Aug. No provider in this site's offer file ties a discount to those months.
What drives Thailand eSIM pricing
- Wholesale data cost: Thailand's operators charge providers for bulk data, and that cost sits under every plan price.
- Provider competition: 5 providers sell eSIMs that travelers compare for Thailand. More competition means lower prices for travelers.
- Plan tier: Larger plans cost less per GB. The Thailand 20GB plan drops to $0.80/GB.
Where the Thailand price floor sits
The catalogue holds 5 Thailand plan sizes. The lowest rate is $0.80/GB in the 29 Oct 2026 catalogue. This site records list prices and does not forecast where they go next.
Comparing real savings across providers
The cheapest price is not always the best deal. Here is how each offer stacks up on real value.
Carrier roaming vs eSIM deals
This site compares every destination against a $10/day roaming baseline, so a 7-day trip runs $70.00. The lowest catalogue price for the same week is $15.99, saving $54.01 (77%). Apply a promo code to widen the gap further.
Post-discount net price comparison
| Provider | Base Price | Discount | Net Price |
|---|---|---|---|
| Airalo | $17.50 | ALOHA (up to $5 off) | $12.50 |
| HelloRoam | $15.99 | No code needed | $15.99 |
| Saily | $19.99 | up to 10% off | $17.99 |
HelloRoam's base price is its catalogue price. Each rival's base price is its own 20GB price for Thailand, read on 30 Oct 2026, with its published promotion applied to that figure. Holafly is not listed here because it sells unlimited day rates rather than fixed plans.
For the 20GB plan, Airalo is lower after its offer, at $12.50 against HelloRoam's $15.99.
Compare the NET column, not the discount percentage. The lowest post-discount price wins.
Fixed vs unlimited deal value
The 20GB plan at $15.99 covers 14 days at 1.5 GB/day. The unlimited plan costs $3.71 for one day, with 2 GB a day at high speed. Unlimited wins above 9.6 GB/day. Below that threshold, the fixed plan is the better value.
Thailand eSIM promo codes
Every active code with Thailand-specific net prices.
Active codes price snapshot
| Provider | Code/Link | Discount | Conditions | Net Price (Thailand) |
|---|---|---|---|---|
| Saily | Partner link | up to 10% off during seasonal sales | Seasonal promotions, Black Friday | $2.69 |
| HelloRoam | None needed | No standing code: the catalogue price is the price | Billed in 31 checkout currencies | $3.49 |
| Airalo | ALOHA | up to $5 off a first purchase | First purchase only | $0.00 |
| Nomad | Partner link | up to 20% off on select regions | Monthly flash events, in-app only | $4.00 |
| Holafly | Partner link | 5% off, applied automatically via partner link | Via partner/affiliate link | $26.13 |
The top pick publishes no standing discount code and bills checkout in 31 currencies, so its row's net price is the catalogue price.
Offers as each provider published them, June 2026. Net prices apply each offer to that provider's own Thailand price, read on 30 Oct 2026; N/A means no price was read.
How to apply each code
- Airalo (ALOHA): Visit airalo.com. Select a Thailand plan. Enter ALOHA at checkout. Discount applied.
- Holafly (Partner link): Use the partner link above. Select Thailand. The 5% off discount applies with no code to type.
- Saily (Seasonal): Check saily.com for an active sale banner. Select a Thailand plan. The sale price shows at checkout.
- Nomad (Flash sale): Open the Nomad app. Check the flash sale banner. Select Thailand. The discounted price shows if the sale is active.
Stacking discounts
No provider allows stacking multiple codes. One discount per order. The best strategy: compare the final price (after discount) across all 5 providers. The cheapest post-discount price wins, not the highest percentage off. Example: Airalo 1GB at $4.00 minus $5 = $0.00. The 7-day unlimited plan for Thailand costs $22.85.
Best time to buy
When to buy for the best price on a Thailand eSIM.
Published offers by provider
- Airalo: Airalo's ALOHA code takes up to $5 off a first purchase, and its Airmoney programme returns 5 to 10% on every order.
- Holafly: Holafly's partner link on this site applies 5% off its unlimited daily plans automatically.
- Saily: Saily runs seasonal promotions worth up to 10% off select plans, with no standing code.
- Nomad: Nomad posts monthly flash sales worth up to 20% off select regions, for a short window each time.
- HelloRoam: No standing discount code.
No offer in this site's offer file carries a sale date, so this list names no month.
Buy now or wait
If your trip to Thailand is within 30 days, buy now with the best published offer. If your trip is 60+ days away, check back for the next Nomad flash sale or Saily seasonal promotion. Airalo's ALOHA code (up to $5 off) applies to a first purchase whenever you buy.
Right-size your plan for the best deal
At this site's 1.5 GB/day standard, a 9-day Thailand trip needs 14 GB. The 20GB plan at $15.99 covers that.
Deal alert tips
How to catch the best Thailand eSIM deals before they expire.
Where each offer appears
- Airalo: New users, entered at checkout. Airalo's own published offer; terms can change.
- Holafly: Applied through this site's own qualifying links, which is why the figure is fixed.
- Saily: Saily's own published promotions, around holidays and peak travel. No permanent code.
- Nomad: Nomad's own published in-app sales. Short duration, selected regions only.
Price comparison before buying
Always compare the net price (after discount) across all 5 providers before purchasing. A Nomad flash sale of up to 20% offon a higher base price can still cost more than Airalo's up to $5 off on a lower base price. Use the Thailand pricing deep dive to see current base prices, then apply the promo codes from this page.
Airport SIM vs pre-buy deals
Airport SIM at Suvarnabhumi (BKK) / Don Mueang (DMK): $8-23 for unlimited data / 7-15 days. HelloRoam's lowest Thailand price: $3.49 for 1GB, bought before you fly with no SIM swap.
Multi-trip savings strategy
Airalo's ALOHA code works on a first purchase only. Holafly's partner link takes 5% off through this site's qualifying links. After a first Airalo order, compare base prices for Thailand directly.
When Thailand eSIM deals are cheapest
Airport SIM counters charge 20-30% more than the same plans sold at 7-Eleven or carrier stores in the city.
Peak travel season in Thailand: Nov-Feb, Jul-Aug. The cool, dry months from November to February draw the largest crowds; European visitors add a second busy period in July and August.
Thailand eSIM price positioning
Data costs in Thailand rank as budget-friendly on the global scale. At $0.80/GB, Thailand sits 75% below the global average of $3.20/GB. 4 carriers (AIS, DTAC, True Move) provide the underlying 5G infrastructure.
5 plan tiers are tracked for Thailand, from 1GB ($3.49, $3.49/GB) to 20GB ($15.99, $0.80/GB). The volume discount from smallest to best-value tier is 77%. The largest tier also delivers the best per-GB rate.
Unlimited data for Thailand is tracked at $3.71/day. Full 5G speed runs for 2GB per day before throttling. Multi-day commitments drop the daily rate: the 30-day plan runs $2.52/day (32% off). The crossover point sits at 4.6GB/day: below that, the 20GB fixed plan saves money; above it, unlimited wins.
A 7-Eleven SIM at 299 THB (about $8) delivers unlimited data for 8 days, which works out around 60% cheaper than most travel eSIM providers. Budget Thailand eSIM plans mostly route through AIS, which also leads on 5G coverage, so picking the lowest price still lands you on the best network.
Budget verdict: Thailand is a great-value eSIM destination. Data costs are low enough that even over-buying a tier wastes only a few dollars.
Cost-saving strategies for Thailand
- Buy the 20GB tier instead of 1GB
The 1GB plan costs $3.49/GB. The 20GB plan drops to $0.80/GB. On 10GB of total usage, that saves $26.90. The upfront cost is higher ($15.99 vs $3.49), but the per-GB savings more than compensate if you use 50% or more of the plan's data.
Estimated savings: $2.69/GB, $26.90 on 10GB
- Use WiFi for heavy tasks in Thailand
WiFi in Thailand is rated excellent. Cafes, co-working spaces, and 7-Eleven stores all offer free WiFi across Thailand. Download maps, sync photos, and stream video on WiFi. Reserve cellular data for outdoor navigation and messaging. This lets you buy a smaller, cheaper eSIM plan that covers only your outdoor data needs.
Estimated savings: 30-50% reduction in data consumption
- Skip the Suvarnabhumi (BKK) / Don Mueang (DMK) SIM counter
Airport SIM counters charge $8-23 for unlimited data / 7-15 days. Queue time: 5-10 min; counters open 24 hours. A travel eSIM starts at $3.49 for 1GB with zero queue. Install before departure and connect on landing. The saved queue time means more time at your destination and less at a kiosk.
Estimated savings: 5-10 min; counters open 24 hours saved, potentially lower price
- Activate on arrival to maximize validity days
Most Thailand eSIM plans start counting from first connection to a AIS tower. Install the eSIM at home over WiFi, but keep the cellular line disabled until you land. Activating a 7-day plan 2 days early wastes 2 days of validity. Every day of your plan should align with actual travel days.
Estimated savings: 0-2 extra valid days per plan
- Turn off carrier data roaming before departure
This site compares Thailand against a $10/day roaming baseline. Forgetting to disable roaming costs $70.00 for a week of accidental data use. A plan covering the same week costs $15.99, 77% less. Go to Settings > Cellular > turn off Data Roaming on your home carrier line before your flight.
Estimated savings: $54.01 per 7-day trip
- Consider Asialink bundle for multi-stop Asia trips
Airalo's Asialink regional bundle covers 16 Asian countries on a single eSIM from $5.00 (1GB). If Thailand is one of 2+ stops in Asia, compare the bundle price vs buying individual plans at $3.49 each. The bundle typically saves money from the third destination onward. One eSIM, one purchase, multiple countries.
Estimated savings: Varies; typically saves from 3+ countries
Hidden costs when buying Thailand eSIM deals
- SIM registration: Thailand requires ID registration for physical SIMs. An eSIM avoids this entirely.
- Carrier roaming markup: At this site's $10/day roaming baseline, a 7-day trip in Thailand runs $70.00, against $15.99 on the catalogue plan that covers 1.5 GB a day.
Top eSIM deals on Thailand trips
HelloRoam is the top pick for Thailand: 3 GB for 30 days costs $4.99, against Saily $5.99 at the next store (prices read 30 Oct 2026).
HelloRoam bills checkout in 31 currencies through Stripe, with Apple Pay and Google Pay on its website and in its app. Airalo lists 200+ destinations to the 185 HelloRoam sells. The top pick publishes no promo code. Airalo's ALOHA code takes up to $5 off a first purchase, Holafly's partner link takes 5% off, Saily's seasonal sales reach up to 10% off and Nomad's flash sales reach up to 20% off. Each provider takes one discount per order, and each offer can change without notice.
HelloRoam is the top pick for Thailand with no code needed: 1 GB costs $3.49 for 7 days at list price, while Airalo's ALOHA code takes up to $5 off a first purchase. Airalo lists 200+ destinations to the 185 HelloRoam sells.
HelloRoam: no code to enter; the list price is the price. Airalo: enter ALOHA in the promo code field at checkout. Holafly: the partner link on cheaptravelesim.com applies 5% off. Saily: seasonal banners in the Saily app, up to 10% off. Nomad: flash sales on the Nomad homepage, up to 20% off, for a limited window.
Yes. HelloRoam covers a week of data in Thailand for $15.99 on the 20 GB plan, against $70.00 at this site's $10/day roaming baseline, 77% less.
The $10/day baseline is a site reference, not a carrier price: the AT&T International Day Pass costs $12/day. eSIM plans are prepaid, so there are no overage charges.
Thailand eSIM deal price snapshot
The best Thailand eSIM deal starts at $3.49 for 1GB. Covering a full week costs $15.99, $54.01 (77%) under the $10/day roaming baseline.
Deal type: unlimited + fixed · Key savings: 77% vs roaming baseline
Common questions about deals
Can I get a Thailand eSIM deal right now?
HelloRoam sells Thailand data from $3.49 for 1GB with no code needed. Airalo's ALOHA code takes up to $5 off a first purchase and Holafly's partner link takes 5% off unlimited plans, each on that provider's own prices. Each offer is the provider's own published promotion, restated as published in June 2026.
Can I tell which provider deals hardest on Thailand plans?
Thailand prices on this page come from the HelloRoam 29 Oct 2026 catalogue, set beside Airalo, Nomad, Saily and Holafly prices read on 30 Oct 2026. Compare the post-discount net price across providers, not the discount percentage. The lowest net price wins.
Can I stack promo codes on a Thailand eSIM order?
No. Each provider accepts one discount per order. Airalo takes code ALOHA. Holafly applies 5% off automatically via partner link. Saily and Nomad run periodic sales. Compare the final post-discount price across all four to find the real cheapest option.
Can timing the purchase cut a Thailand eSIM price?
Airport SIM counters charge 20-30% more than the same plans sold at 7-Eleven or carrier stores in the city. If your trip is within 30 days, buy now with the best published offer. Nomad flash sales and Saily seasonal promotions carry no fixed dates in this site's offer file.
Can a discounted Thailand eSIM beat roaming, and by how much?
This site compares against a $10/day roaming baseline, so 7 days costs $70.00. The lowest catalogue price for the same week: $15.99. Savings: $54.01 (77%). Apply a promo code to save even more.
Can Thailand eSIM prices fall further?
This site does not forecast prices. The lowest Thailand rate is $0.80/GB in the 29 Oct 2026 catalogue. Buy the plan size you need and apply a published offer.
Can Holafly discount a Thailand plan?
Yes. Holafly's partner link takes 5% off its unlimited plans, with no code to type. Holafly listed 7 days of Thailand unlimited data at $27.50 on 30 Oct 2026. The catalogue's 7-day unlimited plan costs $22.85.
Can waiting for a sale beat buying a Thailand eSIM today?
Buy now if your trip is within 30 days. Airalo's ALOHA code (up to $5 off) applies to a first purchase whenever you buy. Wait only if your trip is 60+ days away and you want to catch a Nomad flash sale or Saily seasonal promotion.
Thailand eSIM deal details
What is the best eSIM deal for Thailand?
The lowest tracked Thailand plan is the 1GB at $3.49. The deals table on this page shows which store sells it and when the price was read.
Are Thailand eSIM deals available year-round?
This site holds no seasonal price data. Prices change when providers change them, so each page dates its prices. Airalo's ALOHA code (up to $5 off) is the one standing promo code among the five providers.
Can I stack promo codes with Thailand eSIM deals?
No. Providers allow one code per order. Apply the single best code at checkout for maximum savings.