Why Use a Travel eSIM
International roaming charges from your home carrier range from expensive to absurd. T-Mobile includes basic international data but throttles speeds to 256 kbps in most countries. AT&T's International Day Pass costs $12 per day. Verizon's TravelPass runs $10–14 per day. On a two-week trip, those daily charges add up to $140–$196 before you've done anything.
A travel eSIM is the alternative. You buy a data plan for your destination before you leave, scan a QR code to install it on your phone, and you land with a working data connection. No physical SIM card to swap, no hunting for a kiosk at the airport, no carrier surprises on your bill when you get home. Plans start under $5 for short trips and rarely exceed $30–40 even for heavy data use over multiple weeks.
In 2026, three providers dominate the travel eSIM market: Airalo, Saily, and Holafly. Each takes a different approach to pricing, data limits, and coverage. Here's how they compare.
The Three Best Travel eSIMs at a Glance
Head-to-Head Comparison
Airalo
Airalo
The world's largest eSIM marketplace. Widest coverage, most plan options, the safe default.
STRENGTHS
- ✓ 200+ countries with local, regional, and global plans
- ✓ Largest regional plan coverage (42 countries in Europe)
- ✓ Most plan flexibility — choose exact GB and duration
- ✓ Established since 2019 with a proven track record
WEAKNESSES
- ✗ Customer support can be slow (email-based, documented 2–6 hour delays)
- ✗ No unlimited plans in most destinations
- ✗ Speed test results sometimes lower than competitors
- ✗ No built-in security or privacy features
Best for: Multi-country travelers, unusual destinations, people who want maximum plan flexibility
Airalo is the marketplace model — it aggregates eSIM plans from local carriers in each destination, giving you the widest selection. For a trip that crosses multiple countries, Airalo's regional plans cover more ground than any competitor. If you're visiting a less common destination, Airalo is most likely to have a plan for it.
The weakness is support. If you run into an activation issue at 2 AM in a foreign country, waiting hours for an email response is not ideal. For straightforward trips where things go as planned, Airalo is excellent. For situations where you might need help quickly, consider Saily or Holafly instead.
Saily
Saily
Built by the NordVPN team. Competitive pricing, strong privacy features, clean app experience.
STRENGTHS
- ✓ Often the cheapest per-GB price across popular destinations
- ✓ Built-in security features (ad blocker, web protection)
- ✓ 24/7 live chat support with fast response times
- ✓ Unrestricted hotspot on all plans
- ✓ Saily Ultra subscription: 30 GB + unlimited throttled for $59.99/mo across 113 countries
WEAKNESSES
- ✗ Newer provider (launched 2024), still building track record
- ✗ Smaller regional plan footprint (35 vs 42 countries in Europe)
- ✗ Occasional activation delays reported on first use
- ✗ No voice or SMS (data only, like all travel eSIMs)
Best for: Budget-conscious travelers, NordVPN subscribers, privacy-minded users, short trips
Saily consistently undercuts Airalo on price for popular destinations — often saving a few dollars per plan. The NordVPN pedigree shows in the app design (polished and intuitive) and in the built-in security features that no other travel eSIM provider includes. If you already use NordVPN, Saily integrates into the same ecosystem.
The Saily Ultra subscription is worth considering for frequent travelers. At $59.99 per month, you get 30 GB of high-speed data plus unlimited throttled data (1 Mbps) across 113 countries. For anyone traveling more than twice a year, the per-trip cost calculation often favors the subscription over buying individual plans.
Holafly
Holafly
Unlimited data, zero anxiety. Pay more per day, never worry about running out.
STRENGTHS
- ✓ Truly unlimited data on every plan — no counting gigabytes
- ✓ 4.6/5 Trustpilot rating (highest of the three, 92,000+ reviews)
- ✓ 24/7 live chat including WhatsApp
- ✓ "Always On" feature adds 1 GB of free backup data monthly after plan ends
WEAKNESSES
- ✗ Most expensive option on a per-day basis
- ✗ Smallest regional and global plan coverage
- ✗ Hotspot tethering capped at 1 GB per day
- ✗ Fair-use throttling applies after daily high-speed threshold
- ✗ App has occasional bugs (language switching, search issues)
Best for: Heavy data users, remote workers, video callers, anyone who wants zero data anxiety
Holafly's value proposition is simple: you never run out. For travelers who stream video, make frequent video calls, work remotely from cafes, or simply don't want to think about data usage, that peace of mind is worth the premium. The 4.6 Trustpilot rating across 92,000+ reviews reflects genuine customer satisfaction.
The catch is the fine print. "Unlimited" includes fair-use throttling — after a daily threshold (typically 1–2 GB), speeds drop to around 1 Mbps. That's fine for messaging, maps, and light browsing, but it's not streaming quality. And the 1 GB per day hotspot cap means you can't easily share your connection with a laptop or other devices.
Best Pick by Destination
How to Choose
The decision comes down to three variables: how much data you'll use, how many countries you're visiting, and how much you want to spend.
- Light usage (maps, messaging, social media): Saily — cheapest per-GB price for most popular destinations
- Heavy usage (streaming, video calls, remote work): Holafly — unlimited removes all data anxiety, accept the premium pricing
- Multi-country or unusual destinations: Airalo — widest coverage, most regional plan flexibility
- Privacy-conscious: Saily — built-in ad blocker and web protection from the NordVPN team
- First-time eSIM user: Holafly or Saily — best live chat support if you need help during setup
One more factor worth considering: how many trips you take per year. If you travel internationally once, buy a single plan from whichever provider fits your destination. If you travel three or more times per year, Saily Ultra's subscription model or keeping an Airalo account with stored credit may save you time and money over purchasing individual plans each trip.
Whichever provider you choose, install your eSIM before you leave home. All three let you buy and install the eSIM in advance. Activate it when you land. Trying to buy and install an eSIM over airport Wi-Fi in a foreign country is stressful and unnecessary.
Frequently Asked Questions
Do travel eSIMs include phone calls and text messages?
No. Airalo, Saily, and Holafly all provide data-only plans. You can make calls and send messages through apps like WhatsApp, FaceTime, and Signal using your eSIM data, but you won't get a local phone number or traditional SMS/calling capability.
Can I use my regular phone number while using a travel eSIM?
Yes. Your travel eSIM runs alongside your home carrier's SIM (or eSIM). Your regular phone number stays active for receiving calls and texts — you just use the travel eSIM for data. This is the main advantage of eSIM over physically swapping SIM cards.
Will a travel eSIM work with my phone?
Most phones released since 2019 support eSIM, including iPhone XS and later, Samsung Galaxy S20 and later, and Google Pixel 3 and later. Check your phone's settings for eSIM support, or use the compatibility checker on any of the three providers' websites.
What happens if I run out of data on my travel eSIM?
With Airalo and Saily, you can purchase a top-up plan through the app. With Holafly, you have unlimited data, so running out isn't a concern — though speeds may throttle after daily high-speed thresholds.
Can I share my travel eSIM data with my laptop?
Airalo allows hotspot on most plans. Saily includes unrestricted hotspot on all plans. Holafly caps hotspot tethering at 1 GB per day. Check each provider's specific plan terms before assuming hotspot will work for heavy laptop use.