Stop Paying Outrageous Roaming Fees
Save up to 90% on international data with smart eSIM plans
Travel Connected, Not Broke
Why pay $15/day for roaming when you can get unlimited data for $5?
Your Carrier Doesn't Want You to Know This
Compare 3,000+ eSIM plans from 50+ providers in seconds
The Smart Traveler's Secret Weapon
Instant activation, global coverage, unbeatable prices
Most Popular Destinations
Discover eSIM plans for the world's most popular travel destinations. Click on any country to see available data plans and start your journey connected.
France
Home to the Eiffel Tower, Louvre Museum, and romantic Paris
Spain
Famous for flamenco, tapas, and stunning architecture
United States
From NYC's skyline to Grand Canyon's natural beauty
China
Ancient Great Wall and modern cities like Shanghai
Italy
Rich history, art, cuisine, and the iconic Colosseum
Turkey
Where Europe meets Asia, featuring Hagia Sophia
Mexico
Ancient Mayan ruins and vibrant cultural traditions
Thailand
Golden temples, tropical beaches, and delicious cuisine
Germany
Historic castles, Oktoberfest, and Brandenburg Gate
United Kingdom
Big Ben, royal palaces, and rich cultural heritage
Why OnAirSim?
Our platform helps travelers find the perfect eSIM plan for their journey, saving time and money while ensuring you stay connected anywhere in the world.
Compare Plans
Find and compare eSIM plans from 3,000+ plans across multiple providers in one place
Save Money
Save up to 70% on roaming charges with our curated eSIM deals
Global Coverage
Access plans for 200+ countries and regions worldwide
Instant Activation
Get connected immediately with digital delivery and easy setup
Find eSIM plans for virtually any destination worldwide
Compare plans from dozens of trusted providers
Save on international roaming compared to traditional carriers
Trusted Providers
Only verified and reliable eSIM providers
Time-Saving
No need to browse the entire web for the best deal
Stay Connected
Reliable data connection wherever you travel
Independent Travel eSIM Comparison Site
OnAirSim is the leading independent directory and price comparison platform for finding and comparing travel eSIM plans from the world's top eSIM providers. We help travelers find the best eSIM data plans for their destination, whether they're traveling for business or pleasure.
Our platform provides comprehensive information from a wide range of providers, allowing travelers to easily filter and compare plans by price, data allowance, validity period, network speed, and more. All information is presented through a simple, easy-to-use interface that makes finding the perfect eSIM plan quick and straightforward.
We work with leading eSIM providers from around the world to bring you the most up-to-date pricing and plan information. Our goal is to make international travel more affordable and convenient by helping you find the best eSIM deals for your specific needs.
With OnAirSim, you can discover various eSIM plans and stay affordably connected wherever your travels take you.
What Our Users Say
Real experiences from travelers who found their perfect eSIM plans through OnAirSim
"Used eFflySIM found through this website for our two week trips to Japan, and it worked really well. Great coverage and affordable pricing!"
Get in Touch
Have questions about eSIM plans or need help finding the right option for your trip? We're here to help!
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