These 20GB Data Plans Will SLASH Your Phone Bill In Half


best 20GB data plansPin

Key Takeaway

76% of People Pay For Data They Never Use. Don’t Be A Statistic, Start Paying ONLY For What You ACTUALLY Use…

  • 20GB is more than enough data for most users.
  • Mint Mobile’s 20GB plan is the best-value option if you’re in the US.
  • You could save 50% or more compared to legacy carrier plans.
  • Prepaying for 12 months unlocks the best price.

If you’re looking to slash your phone bill without sacrificing your mobile data, you’re in the right place.

A 20GB data plan is more than enough for most users and it’s way cheaper than unlimited options.

Here’s a quick look at the best 20GB+ prepaid plans in the US right now.

Quick Comparison: Best 20GB+ Prepaid Data Plans (US)

ProviderPlan NameHotspotBest For
Mint Mobile20GB Plan20GBMost users
Mint Mobile15GB Plan5GBLight users
Mint MobileUnlimited Plan10GBHeavy users

Is 20GB of Data Enough For Me?

If you’re not streaming Netflix on mobile data all day or using your phone as a hotspot 24/7, there’s a good chance you’re not using as much data as you think.

Most people in the US use between 8GB and 12GB of data a month.

A 20GB plan gives you some extra cushion without overpaying for unlimited data you don’t need.

Best 20GB Data Plans in the US

Mint Mobile Network ReliabilityPin

Mint Mobile 20GB Plan

  • Data: 20GB per month
  • Hotspot: 20GB included
  • Price: From $25/month
  • Network: T-Mobile
  • Contract: Prepaid (3, 6, or 12 months)

This is easily one of the best-value plans in the US right now. You get 20GB of fast data each month, plus 20GB of hotspot use—enough for streaming, browsing, and working on the go.

Why Choose This Plan:

  • Great for moderate to heavy users
  • Hotspot included
  • T-Mobile network coverage
  • Cheaper than most unlimited plans

💡 Pro Tip: Pay for 12 months upfront to get the lowest price.

Mint Mobile 15GB Plan

  • Data: 15GB per month
  • Hotspot: 5GB included
  • Price: From $20/month
  • Network: T-Mobile
  • Contract: Prepaid (3, 6, or 12 months)

If you don’t use a ton of mobile data and spend most of your time on Wi-Fi, this is a rock-solid option that’ll save you even more.

Best For:

  • Light to moderate users
  • Email, browsing, light streaming
  • Budget-conscious users

Mint Mobile Unlimited Plan

  • Data: Unlimited (35GB high-speed cap)
  • Hotspot: 10GB
  • Price: From $30/month
  • Network: T-Mobile

Worth mentioning here because Mint will actually tell you if you’re using less data than you need—so you can downgrade and save. Smart move.

How These Plans Stack Up Against Unlimited Plans

“Unlimited” sounds great, but there’s usually fine print:

  • Speed is often throttled after a certain amount (like 35GB)
  • Hotspot usage is limited or slower
  • You’re paying for data you don’t use

Unless you’re streaming 4K or gaming on the go daily, 20GB will cover all your needs—at half the cost.

Who These Plans Are Best For

  • People who mostly use Wi-Fi at home or work
  • Those who travel but don’t live on mobile data
  • Anyone tired of wasting money on expensive unlimited plans
  • Budget-conscious users who want flexibility without contracts

Want to save even more on your next phone? Check these guides:

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KnowYourMobile
KnowYourMobile
@knowyourmobile.com@www.knowyourmobile.com

Phone News, Reviews & User Guides

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Best SIM-Only Plans & Deals


  • Boost Mobile Unlimited Premium Plan

    Boost’s top-tier option brings the heat: 50GB of premium data, hotspot, North America roaming, global talk & text, and $430 off select devices. All-in at $60/month with no contract.

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    Data: Unlimited (50GB premium speed)

  • Boost Mobile Unlimited+ Plan

    Level up with 40GB of premium data, hotspot access, global calling, and up to $300 in device savings. All for just $50/month. No contracts and flexible phone options included.

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    Data: Unlimited; Speed Caps After 40GB

  • Boost Mobile Unlimited Plan

    Start strong with 30GB of premium data, unlimited everything, and a killer intro offer: just $15/month for the first 3 months, then $25/month forever. No contracts. No fluff. Big value.

    +

    Data: Unlimited (Speed Caps Over 30GB)

  • iD Mobile 1 Month SIM-Only: 108GB

    Another high-data, low-cost option with no contract. 108GB for just £9, full 5G access, and the same goodies you get with 12-month deals.

    +

    Data: 108GB

  • iD Mobile 1 Month SIM-Only: 20GB

    The lowest price option. 20GB for £6 with all the same perks as pricier plans. Great if you don’t use much data and want to save every penny.

    +

    Data: 20GB

  • iD Mobile 1 Month SIM-Only: 110GB

    This plan gives you big data and zero commitment. 110GB for just £10 with all perks intact. If you need more data but want the freedom to cancel, this is the one.

    +

    Data: 110GB

  • iD Mobile 1 Month SIM-Only: 60GB

    More data, same price. For just £8/month, you get 60GB on a no-strings 1-month rolling plan. Ideal for users who stream often but don’t want long commitments.

    +

    Data: 60GB

  • iD Mobile 1 Month SIM-Only: 40GB

    Perfect if you want full flexibility. You get 40GB and all of iD Mobile's perks with no lock-in, annual increases, or setup fees. Great for short-term users.

    +

    Data: 40GB

  • iD Mobile 12 Month SIM-Only: 60GB

    One of the best pound-per-GB plans around. You get 60GB for £8 with £25 cashback, which means you’re effectively paying closer to £6/month. Includes roaming and data rollover.

    +

    Data: 60GB

  • iD Mobile 12 Month SIM-Only: 108GB

    This deal gets you a healthy 108GB of 5G data for less than a tenner, with no upfront costs and £24 cashback. All the perks are included too: data rollover, roaming, and loyalty rewards.

    +

    Data: 108GB

  • iD Mobile 12 Month SIM-Only: Unlimited Data

    This iD Mobile plan doesn’t just compete on price, it’s up there with the best of them. Unlimited everything, a year-long lock-in with no price rises, and £42 cashback straight to your pocket. It’s like getting nearly 3 months free.

    +

    Data: Unlimited, No Speed Caps

  • Mint Mobile 20GB Plan

    If you're looking to save some cash on your bills, this plan is an awesome option. You'll get 20GB of data per month and 20GB hotspot data allowance. For moderate to heavy users, that should be more than enough. I seldom use more than 10GB of data a month, and I'm always using my phone

    +

    Data: 20GB