Best eSIM Deals for May
The top-value eSIM plans right now, ranked by cost per day and traveler feedback. Updated every month so you never overpay for data abroad.
Prices last verified: May 6, 2026. Confirm current rates on aloSIM before purchase.
Vietnam has improving WiFi but relies heavily on cellular in rural areas.
$8.50
5GB / 30 Days
$0.28/day
The Philippines has improving WiFi in cities but islands often rely on cellular.
$8.50
5GB / 30 Days
$0.28/day
Indonesia has improving WiFi in Bali and Jakarta but islands often lack reliable connections.
$8.50
5GB / 30 Days
$0.28/day
How we rank these deals
Every month we analyze aloSIM's pricing across all destinations and sort by the lowest cost per day for a 10GB or 5GB / 30-day plan. We factor in network quality, WiFi availability, and real traveler feedback. A country with excellent free public WiFi (like South Korea) may rank higher than a cheaper plan in a country with no WiFi — because the total cost of staying connected matters more than the sticker price alone.