Southeast Asia Spring Travel 2026: Why Holafly Plans + Always On Is the Only eSIM You Need

Southeast Asia in April and early May is genuinely one of the world's best travel windows. We know this from personal experience: we've spent 308 days in Thailand, 197 days in Da Nang, Vietnam, and traveled extensively through Cambodia, Malaysia, the Philippines, and beyond. April sits in a sweet spot across most of the region, after the peak tourist crowds of January and February have thinned and before the full force of the southwest monsoon arrives in mid-May. The heat is real, but so is the availability of guesthouses, the quality of street food, and the general unhurriedness of it all. If you're considering a spring SEA trip, here's what you need to know about staying connected, and why Holafly Plans with code ADAMANDLINDS for 10% off is the eSIM setup we'd use for any multi-country Southeast Asia trip in 2026.

Southeast Asia in April and May: What the Season Actually Looks Like

The region is not monolithic, and the weather differences matter. Thailand in April is hot, and Songkran (Thai New Year, typically April 13-15) means Bangkok and Chiang Mai erupt in a nationwide water fight that's spectacular and absolutely chaotic in the best way. Vietnam's central coast, including Da Nang and Hoi An, gets its best weather window in April and May before the rains begin. Bali sits in its dry season from roughly April onward. Cambodia is warm in April but manageable, and the Angkor Wat complex is at its most photogenic with the dry, clear skies.

The point is: you will move around. You'll cross borders or at minimum cross very different coverage zones within a single country. Having data that follows you without requiring you to purchase a new eSIM at each border crossing is genuinely worth it.

Why Holafly Plans Works So Well for Southeast Asia

We've been living in Southeast Asia for most of the past three years. In that time we've used local SIM cards in Thailand, Vietnam, Cambodia, and Malaysia. We've also used destination eSIMs and, more recently, Holafly Plans. The local SIM card is still often the cheapest option per gigabyte if you're staying in one country for more than a few weeks and you're comfortable navigating a convenience store or airport counter in a language you may not speak. For travelers, especially those crossing multiple borders in a short period, the Plans subscription is cleaner in every way.

Coverage in Thailand and Vietnam is genuinely good. Holafly's network partnerships in both countries provide 4G/LTE in all the places travelers go, including beach areas, and reasonable coverage in rural zones. Cambodia and the Philippines have more variation but the major tourist areas are solid. The Holafly Plans subscription at $49.90/month for 25GB (Light) or $64.90/month Unlimited covers all of these with one installation, one monthly charge, and zero border hassle. Use code ADAMANDLINDS at this link for 10% off.

Holafly Always On: Why It Matters in Southeast Asia Specifically

Here's a scenario we've experienced more than once. You're in transit, crossing from Vietnam into Cambodia, or sitting in a Bangkok airport at midnight waiting for a connection. Your plan ran out. You need Maps. With a Holafly Plans subscription, the Always On benefit covers you: 1GB of free backup data per month across 70+ destinations, activating automatically when your main plan ends. No action required on your end. That 1GB is enough to navigate an airport, book an accommodation, or find your taxi driver without resorting to hunting for airport WiFi in a busy international terminal at 1am.

Always On is not a substitute for a full data plan. It's a safety net for the moments that would otherwise be genuinely inconvenient. And for Southeast Asia travel, where inter-city and international connections happen frequently and often at odd hours, having that safety net is worth more than the face price of it, which is free.

We're Heading Back to Da Nang This May

We leave Osaka for Da Nang on May 5th, so this isn't abstract for us. We'll be back in Vietnam for around three months, with likely side trips into Thailand, Cambodia, or elsewhere in the region. A Holafly Plans subscription with Always On is exactly what we're using for that run. The setup is identical to what we've described here: one eSIM already installed, plan active, Always On as the backstop. If you're heading to Southeast Asia this spring, we'd genuinely recommend the same setup.

https://www.youtube.com/watch?v=IUYmc9fHzqk

How to Get 10% Off Holafly Plans for Southeast Asia

Go to holafly.sjv.io/je0BNM for the Holafly Plans page. Choose Light ($49.90/month, 25GB) or Unlimited ($64.90/month). Apply code ADAMANDLINDS at checkout for 10% off your monthly rate. If you know you'll be traveling for the rest of the year or more, the annual subscription gets you approximately 30% total savings when combined with the built-in annual discount. Install the eSIM at home before you leave, activate it when you land, and you're done.

For single-country trips or shorter stays, a destination eSIM still makes sense. Use holafly.com via our general link and code ADAMANDLINDS for 5% off any destination plan.

Frequently Asked Questions: Holafly for Southeast Asia Spring 2026

Does Holafly Plans work in Vietnam and Thailand? Yes. Both Vietnam and Thailand are covered in Holafly's destination list and are included in the Plans subscription. Coverage quality is 4G/LTE in all major tourist areas and cities in both countries.

Is Holafly better than a local Thai or Vietnamese SIM card for spring travel? For stays of several months in a single country, a local SIM card is often the cheapest option per gigabyte. For travelers crossing multiple countries in Southeast Asia over a few weeks, Holafly Plans is simpler and more convenient, with no need to buy a new SIM at each border.

What is Songkran and does it affect connectivity in Thailand? Songkran is the Thai New Year water festival, typically falling on April 13-15. Network congestion in Bangkok and Chiang Mai can be higher during this period due to the volume of people in the streets. Holafly's network connections remain active; you may just experience typical congestion that affects all carriers during peak events.

Does Holafly Always On work in Cambodia and Vietnam? Always On covers 70+ destinations. Check the current Always On destination list at holafly.com, as coverage is updated regularly. Both Vietnam and Thailand are included in Holafly's Plans destination coverage.

How much does the ADAMANDLINDS code save on Holafly Plans for Southeast Asia? The code saves 10% off the monthly rate. On the Unlimited Plan at $64.90/month, that's approximately $6.49 per month, or about $77 annually. On an annual subscription with the built-in annual discount, the combined savings reach approximately 30% compared to standard monthly pricing.

FTC Disclosure: This post contains affiliate links. When you use the code ADAMANDLINDS or purchase through our Holafly links, we earn a commission at no extra cost to you. We only recommend products we personally use. We are heading back to Da Nang in May 2026 and will be using Holafly Plans ourselves. All opinions are our own.