Airport Wi-Fi is free, convenient, and one of the riskiest things you can connect to. Public networks are unencrypted by default, which means anyone on the same connection can potentially see what you're doing—your banking app, your email, your booking confirmations.
A VPN encrypts that traffic so it's unreadable, even on the sketchiest hotel hotspot.
The only issue is that most good VPNs cost money. Proton VPN is one of the only companies that offers a free plan. And I mean completely free, not a free trial that ends. Download the Proton VPN app, and you can instantly start using the VPN.
I put it to the test before a recent trip to see whether it was actually worth downloading—it is.
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What is Proton VPN?
Proton VPN is a Swiss-based VPN service built by the same team behind one of the world's most trusted encrypted email providers, Proton Mail. It's mostly known for its strict no-log privacy principles and independent audits. You can decide to use Proton's free plan, or upgrade for even more features.
Either way, it's the best VPN for travel since you don't have to pay to protect your digital identity.
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The free plan held up better than I expected
I was skeptical about Proton's free plan, and initially thought it was going to be a scam or basically a useless VPN that slowed me down to glacial speeds. But I was quickly proven wrong.
Most free VPNs either throttle your speeds aggressively, fill the interface with ads, or sell your browsing data to third parties. But Proton guarantees it doesn't do any of that.
The free plan gives you access to servers in ten countries—including the US, Canada, Japan, the Netherlands, and Switzerland—with no data cap or ads. I usually get around 150Mbps speeds on my phone when using my cellular network. While connected to Proton's free VPN, speeds only dropped slightly, to around 130Mbps—a dip that was unnoticeable during normal use. Browsing, messaging, checking email, and pulling up booking confirmations all worked without any lag.
Image: Jessica Santero | WhistleOut
The app itself is really easy to use. Just pick a country from the list, tap connect, and you're protected. There's no overcomplicated settings menu or confusing dashboard. Proton is beginner-friendly enough that I'd hand it to someone who has never used a VPN before and trust them to figure it out.
In fact, for a traveler who just needs basic protection on public Wi-Fi without committing to a monthly subscription, Proton is hard to beat.
No torrenting while streaming
The free tier doesn't include streaming servers—that's a feature Proton reserves for its premium plans. If you want to change your Netflix region or access content from another country, you'll need to upgrade.
Free users are also limited to one device at a time, so if you're traveling with a partner and want both phones covered, you'd each need a separate account. And with how easy it is to set up and use, that's not much of a downside.
Access to ten available server countries is sufficient for basic protection and not having to worry about network congestion and traffic. But if you need a connection from a specific country for work or banking purposes, the free plan may not have access to it. For most travelers, though, the selection is more than enough to get the job done.
Is Plus worth paying for?
At $9.99/month, Proton VPN Plus is one of the more affordable paid options available. It opens up streaming servers across over 110 countries, adds multi-device support, and includes a faster connection tier. Reddit's VPN community consistently rates Proton (alongside Mullvad) as one of the most trustworthy options on the market—and the long-term users tend to stick around.
For most travelers, the free plan is genuinely enough. Download it before your trip, use it on airport and hotel Wi-Fi throughout, and only consider upgrading if you find yourself needing to stream from a different region or want to protect more than one device at a time. You won't feel like you're missing out on the basics.
Proton VPN is one of our top picks in the full guide to the best VPN apps for travel.
How WhistleOut reviews VPNs
Our mobile experts evaluate each VPN based on real-world testing, not just spec sheets. Before recommending any app, we put it through its paces to make sure it does what it promises.
- Ease of use
We prioritize apps that don't require a manual to figure out. - Affordability
We look for value at every price point, including free. - Hands-on testing
We tested Proton VPN's free plan with speed tests and across real travel scenarios.
Proton VPN: FAQ
Is Proton VPN actually free?
Yes, Proton VPN's free plan has no data cap, no time limit, and no credit card required. It includes servers in ten countries with one device connection at a time.
Can I use Proton VPN on airport Wi-Fi?
Yes, and that's exactly what it's built for. Connect to Proton VPN before joining any airport or hotel network, and your traffic will be encrypted, even if the network itself isn't secure.
Does Proton VPN work for Netflix?
Streaming is available on Proton's paid plans only. The free tier doesn't include streaming servers, so if you want to change your Netflix region while abroad, you'll need to upgrade to VPN Plus.
Is Proton VPN safe?
Proton VPN is safe and is independently audited to make sure it stays safe. It has a verified no-logs policy and a base in Switzerland, which has strong data privacy laws.
Jessica Santero
Staff Writer