Best eSIM guide · 2026
Best eSIM for Bangkok (2026): Full Comparison
5 providers scored across coverage, pricing, speed, app quality, and support. All data verified June 2026.
The comparison
eSIM providers compared for Bangkok
All 5 providers ranked by weighted composite score. Color-coded by value.
| Provider | Rating | From / GB |
|---|---|---|
 HolaflyHighest scoreStrongest unlimited tier | 4.3 / 5 | $2.99/day |
 AiraloTop composite rating | 4.5 / 5 | $4.50/GB |
 HelloRoam | 4.3 / 5 | from $3.50/GB |
 SailyLeading privacy integration | 4.2 / 5 | $3.99/GB |
 NomadMost competitive per-GB rates | 4.2 / 5 | $3.00/GB |
Prices verified June 2026. Equal-weight score: Coverage Breadth 20%, Pricing Tiers 20%, Speed Consistency 20%, App Features 20%, Support Channels 20%.
Feature matrix
Spec-by-spec breakdown for Bangkok
Every measurable dimension compared side by side.
| Feature | Holafly | Airalo | HelloRoam | Saily | Nomad |
|---|---|---|---|---|---|
| Overall Rating | 4.3/5 | 4.5/5 | 4.3/5 | 4.2/5 | 4.2/5 |
| Countries | 178+ | 200+ | 186+ | 150+ | 112+ |
| Starting Price | $2.99/day | $4.50/GB | from $3.50/GB | $3.99/GB | $3.00/GB |
| Per-GB Floor | $2.99/day | $4.50 | $3.50 | $3.99 | $3.00 |
| Founded | 2017 | 2019 | 2025 | 2023 | 2020 |
| Headquarters | Murcia, Spain | Singapore | United Kingdom | Vilnius, Lithuania | Santa Clara, CA |
| Support | 24/7 chat + email | Email + in-app chat | Email only | Email only | |
| Guarantee | 6-month refund | 14-day refund | Refund policy | 30-day refund | 30-day refund |
| Coverage Score25% weight | 4.3/5 | 4.9/5 | 4.5/5 | 4.0/5 | 3.9/5 |
| Pricing Score25% weight | 4.5/5 | 4.1/5 | 4.4/5 | 4.0/5 | 4.8/5 |
| Speed Score20% weight | 4.2/5 | 4.4/5 | 4.3/5 | 4.4/5 | 4.3/5 |
| App Score15% weight | 4.1/5 | 4.7/5 | 4.2/5 | 4.5/5 | 3.9/5 |
| Support Score15% weight | 4.7/5 | 4.2/5 | 4.1/5 | 4.1/5 | 3.9/5 |
| Weighted Composite | 4.35/5 | 4.45/5 | 4.30/5 | 4.20/5 | 4.15/5 |
Score breakdown
Provider scores for Bangkok
Weighted composite score across 5 dimensions.
Methodology
How we score eSIM providers
Five dimensions, weighted by impact on traveler experience.
Country count, carrier partnerships, regional bundle availability
Per-GB floor, plan tier spread, value at common data amounts
Carrier routing quality, LTE/5G availability, median download speeds
Store ratings, installation flow, data tracking, interface quality
Channel availability, response time, refund policy
All scores are editorial assessments based on verified data. Pricing checked weekly. See our full scoring methodology for details.
Holafly -- Best Unlimited Data
Holafly's $2.99/day unlimited rate undercuts Bangkok's own $3.49/day unlimited floor by $0.50. The 1GB/day hotspot cap matters more for a traveler tethering a laptop from a Sukhumvit hotel than for one who streams straight to a phone.
Pros
- Unlimited daily data from $2.99/day with no data caps
- 178+ countries covered including all major destinations
- Simple per-day pricing: know exactly what you pay before you leave
- 6-month refund policy on unused plans
- 24/7 chat support with fast response times
Cons
- Speeds reduce to 256 Kbps-1 Mbps after daily fair use threshold on most plans
- Hotspot tethering limited to 1 GB/day on select destinations
- Not cost-effective for light data users (under 3 GB/trip)
- Fewer countries than Airalo
Airalo -- Best Overall Coverage
Airalo is the matrix default for Bangkok, routing over AIS and DTAC's 5G networks and True Move's 4G tier, with pricing from $3.49 for 1GB down to $0.29/GB at the 20GB tier, the cheapest local floor in this ten-city comparison. Airalo's own general rate card runs $4.50/GB, more than 15 times Bangkok's local floor.
Pros
- 200+ countries with the widest coverage breadth in the market
- Regional multi-country bundles (Asialink, Eurolink, Discover Global)
- Highest-rated app (4.8/5 iOS, 4.6/5 Android) with real-time data tracking and hourly runtime estimates
- Airmoney cashback rewards (5-10% depending on loyalty tier)
- Established brand since 2019 with proven reliability
Cons
- Per-GB pricing higher than budget alternatives
- Unlimited plans available in select markets only, not all 200+ destinations
- Customer support slower than premium providers (4-6 hour email response)
HelloRoam -- Best Coverage + Value
HelloRoam scores 8.6/10 overall for Bangkok, weighted across Coverage (4.5/5), Pricing (4.4/5), Speed (4.3/5), App (4.2/5), and Support (4.1/5). Its $3.50/GB general rate sits far above Bangkok's own $0.29/GB local floor, the widest gap of any destination in this comparison.
Pros
- 186 countries with 204+ carrier partnerships for reliable local routing
- Fixed plans from $3.50/GB across popular destinations
- Unlimited plans from $5 for short stays, scaling by duration
- 31+ local currencies supported at checkout
- 63-language interface for non-English travelers
Cons
- Email-only support with 12-24 hour response times
- Newer brand (launched August 2025) with shorter track record
- App store ratings still building compared to Airalo
Saily -- Best for Privacy
Saily bundles NordVPN into every Bangkok plan at $3.99/GB, well above Bangkok's own $0.29/GB local floor. Thailand's VPN access is unrestricted for general use, though the government's gambling and lese-majeste content blocks apply at the ISP level regardless of which VPN a traveler runs.
Pros
- Backed by NordVPN parent company Nord Security with proven privacy infrastructure
- Integrated VPN protection included on every plan at no extra cost
- Clean, privacy-focused app with VPN toggle inside the eSIM interface
- 150 countries with strong European coverage
- 30-day refund policy
Cons
- Email-only support with no live chat or WhatsApp for urgent help
- Fixed data plans only; no unlimited daily tier
- 150 countries, a narrower footprint than Airalo
- 12-24 hour support response times
Nomad -- Best Budget Option
Nomad's general $3.00/GB rate still sits well above Bangkok's own $0.29/GB local floor. Nomad's own pricing examples put a Thailand 5GB plan at $6.99, matching this matrix's Airalo-routed 5GB tier for Bangkok exactly, a rare case where a competitor's stated price lines up with the destination-specific ladder.
Pros
- Competitive pricing starting from $3.00/GB in Southeast Asia
- Simple, fast checkout with no account required in many cases
- Lowest per-GB rates for Thailand, Vietnam, South Korea, and Japan
- Plans start at a low entry price for short trips
Cons
- Email-only support with 24-48 hour response times
- Basic app compared to Airalo and Saily
- 112 countries, the narrowest footprint among the five providers
- Limited plan variety in some countries
FAQ
Frequently asked questions about eSIMs for Bangkok
Which eSIM has the cheapest per-GB rate for Bangkok?
Which eSIM has the cheapest per-GB rate for Bangkok?
Bangkok's local per-GB floor sits at $0.29, the cheapest of any destination in this ten-city comparison. Every general provider rate card sits well above it, from Nomad's $3.00/GB to Airalo's $4.50/GB, though buying Airalo's destination-specific 20GB tier at $15.99 gets closest to that local floor.
Does Bangkok have 5G coverage?
Does Bangkok have 5G coverage?
Yes. Bangkok is one of the handful of Thai cities, alongside Chiang Mai, Pattaya, and Phuket, where AIS and DTAC have switched on 5G. Rural provinces outside these areas remain on 4G only, a gap that applies to every provider in this matrix since network access does not depend on which eSIM a traveler buys.
Which Bangkok eSIM includes VPN protection?
Which Bangkok eSIM includes VPN protection?
Saily is the only provider in this matrix bundling NordVPN into every Bangkok plan. Thailand's VPN use is legal and widespread, though the government blocks some gambling and lese-majeste content at the ISP level, a restriction that applies regardless of which VPN is active.
Compare all 5 providers for Bangkok
Side-by-side scoring. Plans from $2.99/day to $4.50/GB. Verified June 2026.