Cheapest Unlimited Data Plan for 1 Line: Top Picks and Comparisons
Unlimited data plans are a great option for those who rely heavily on their smartphones for work, entertainment, or staying connected. These plans eliminate the stress of monitoring data usage and avoiding overage fees. However, it’s important to note that some unlimited plans may throttle speeds after a certain amount of data is used, or prioritize other users during network congestion. Understanding these nuances can help you make an informed decision when selecting the cheapest unlimited data plan for your needs.

Top Cheapest Unlimited Data Plans for 1 Line
Below is a list of the most affordable unlimited data plans available for a single line in the US as of March 2025. Each plan has been carefully selected based on its price, coverage, and additional features.
1. Mint Mobile Unlimited Plan
Mint Mobile offers an affordable unlimited data plan starting at $30 per month. This plan includes unlimited talk, text, and data, with speeds reduced after 35GB of usage. Mint Mobile operates on T-Mobile’s network, ensuring reliable coverage across the US.
2. Visible Unlimited Plan
Visible, a subsidiary of Verizon, provides an unlimited data plan for $40 per month. This plan includes unlimited talk, text, and data with no speed caps, though deprioritization may occur during peak times. Visible also offers hotspot usage at no extra cost.
3. T-Mobile Essentials
T-Mobile’s Essentials plan starts at $50 per month and includes unlimited talk, text, and data. While this plan is slightly more expensive, it offers better network prioritization and international benefits, such as free texting and data in over 200 countries.
4. AT&T Prepaid Unlimited
AT&T’s Prepaid Unlimited plan costs $50 per month and includes unlimited talk, text, and data. Speeds may be reduced after 22GB of usage, but the plan offers reliable coverage and access to AT&T’s 5G network.
5. Metro by T-Mobile Unlimited
Metro by T-Mobile offers an unlimited data plan for $50 per month. This plan includes unlimited talk, text, and data, with speeds reduced after 35GB. Metro also provides additional perks like free Google One storage and Amazon Prime membership for eligible customers.
Comparison Table of Cheapest Unlimited Data Plans
| Plan | Price | Data Limit Before Throttling | Hotspot | Network |
|---|---|---|---|---|
| Mint Mobile Unlimited | $30/month | 35GB | No | T-Mobile |
| Visible Unlimited | $40/month | None | Yes | Verizon |
| T-Mobile Essentials | $50/month | 50GB | No | T-Mobile |
| AT&T Prepaid Unlimited | $50/month | 22GB | No | AT&T |
| Metro by T-Mobile Unlimited | $50/month | 35GB | No | T-Mobile |
Factors to Consider When Choosing a Plan
When selecting the cheapest unlimited data plan for your needs, consider the following factors:
- Coverage: Ensure the carrier has strong coverage in your area.
- Data Throttling: Check if the plan reduces speeds after a certain data limit.
- Hotspot Usage: Determine if hotspot functionality is included and if there are any restrictions.
- Additional Perks: Look for extras like international roaming, streaming subscriptions, or cloud storage.
Final Thoughts
Choosing the cheapest unlimited data plan for a single line depends on your specific needs and budget. Mint Mobile and Visible offer the most affordable options, while T-Mobile and AT&T provide more robust network benefits. By comparing the features and limitations of each plan, you can find the best fit for your lifestyle.