Denver eSIM Comparison – Find the Best Data Plan & Save Money

František Macháček
Best eSIM for city

Key Takeaways

Key Takeaways

For data eSIM in Denver, we recommend eSIM4Travel. It offers:

  • Competitive pricing.
  • Great customer support.
  • Smooth purchase and installation process.

If you prefer a provider with a native app, you won't go wrong choosing the well-known Airalo, but it's more expensive than eSIM4Travel.

Introduction

Denver is known as the "Mile High City," sitting exactly one mile above sea level at the base of the Rocky Mountains. The city is famous for outdoor recreation, craft beer culture, 300 days of annual sunshine, ski resort access, cannabis legalization, historic LoDo district, and stunning mountain views.

Choosing eSIM means escaping pricey roaming fees and handling everything before departure. Below are thorough installation instructions, practical travel guidance, and an in-depth comparison of available plans so your Denver vacation goes smoothly without connectivity issues or unexpected charges.

eSIM Plans in Denver at a Glance

Best eSIM Providers for USA

eSIM4Travel in USA

eSIM4Travel
8.8/10 ★★★★★

eSIM4Travel is an American eSIM provider with coverage in 170 countries, offering very competitive prices and reliable connection without an app.

Basic Information
Coverage map icon170 countries, local and regional eSIM plans.
iOS app iconNo app, everything through website.
Android app iconNo app, everything through website.
Data top-up iconSupports data top-ups.
Hotspot iconHotspot allowed.
Network speed iconNo speed limitations.
Pros and Cons
Plus iconSimple installation and activation.
Plus iconVery competitive prices.
Plus iconExcellent customer support.
Plus iconImmediate functionality without restart.
Minus iconMobile app is missing.
Minus iconAbsence of unlimited data plans.
Testing

eSIM4Travel operates on Verizon and AT&T networks in Denver and across the USA. Both of these networks come from America's biggest mobile carriers and ensure excellent coverage nationwide. eSIM4Travel delivers a money-saving and effective option for trips to Denver and across the United States. It begins operating immediately after activation, help desk is ready and responds without delay. Their charges are among the best you'll encounter. They offer speeds with no restrictions, don't ask you to download additional apps, and allow adding extra data to your functioning eSIM if your initial plan isn't adequate for your requirements.

Verizon USA

eSIM4Travel Data Plans in Denver

Selection of the best eSIM data plans for ESIM4TRAVEL in Denver from 2 GB.

DataValidityPrice
2 GB7 days$ 11.4
5 GB30 days$ 4.4
10 GB30 days$ 8.4
20 GB30 days$ 17
Last data update: 10/16/2025

Airalo eSIM in Denver

Airalo
6.8/10 ★★★☆☆

Airalo is a popular eSIM marketplace with coverage in 211 countries, fast activation and affordable prices. However, it's not always the best choice for unlimited data.

Basic Information
Coverage map icon211 countries, local, regional and global eSIM.
iOS app iconExcellent iPhone app. 4.6 from 61,000 reviews.
Android app iconExcellent Android app. 4.5 from 72,000 reviews.
Data top-up iconSupports data top-ups.
Hotspot iconHotspot allowed.
Network speed iconNo speed limitations.
Pros and Cons
Plus iconWide coverage (211 countries) and easy activation.
Plus iconUser-friendly app and website.
Plus iconImmediate functionality after installation without needing to restart.
Plus iconNo artificial speed limitations.
Minus iconSignificantly higher prices compared to some competitors.
Minus iconMore challenging setup for beginners.
Minus iconInability to purchase additional data without Wi-Fi after depleting the package.
Testing

Airalo offers convenient eSIM coverage for Denver travelers. The provider connects through major carriers including T-Mobile and Verizon, giving you strong 4G and 5G speeds in Colorado. You can prepare everything in advance by installing the eSIM and activating it when you arrive in Denver.

Airalo eSIM Plans in Denver

Selection of the best eSIM data plans for AIRALO in Denver from 2 GB.

DataValidityPrice
2 GB15 days$ 8
5 GB30 days$ 16
10 GB30 days$ 26
20 GB30 days$ 42
Last data update: 10/6/2025

Saily eSIM in Denver

Saily
8.6/10 ★★★★☆

Saily is a modern travel eSIM provider created by NordVPN with coverage in 180 countries. It offers a top-notch app with sophisticated features like integrated VPN and fast customer support.

Basic Information
Coverage map icon180 countries, global, regional and local eSIM.
iOS app iconExcellent iPhone app. 4.6 from 2,000 reviews.
Android app iconExcellent Android app. 4.8 from 17,000 reviews.
Data top-up iconSupports data top-ups.
Hotspot iconHotspot allowed for occasional use.
Network speed iconSpeed limit for unlimited plan after 1GB/24h.
Pros and Cons
Plus iconClear and intuitive app with modern design.
Plus iconVery fast and efficient customer support.
Plus iconSmooth eSIM installation directly from the app.
Minus iconNeed to install the app to get eSIM after purchase.
Minus iconApp doesn't work after data depletion (no zero-rating).
Minus iconProblematic personal data processing from GDPR perspective.
Testing

Saily is an eSIM provider made by the NordVPN team that helps travelers get online in Denver and across the United States. The platform offers coverage in over 200 destinations worldwide, making it useful for international trips too. Customer reviews praise the service for its speed, ease of use, and consistent connection quality.

Saily eSIM Plans in Denver

Selection of the best eSIM data plans for Saily in Denver from 2 GB.

DataValidityPrice
2 GB15 days$ 11.49
5 GB30 days$ 13.99
10 GB30 days$ 22.99
20 GB30 days$ 36.99
Unlimited15 days$ 49.99
Last data update: 10/16/2025

Yesim eSIM in Denver

Yesim
6.1/10 ★★★☆☆

Yesim is a Swiss eSIM provider with coverage in 135 countries, offering fixed and unlimited data packages at competitive prices. Best suited for experienced users who don't need much customer support.

Basic Information
Coverage map icon135 countries, local, regional and global eSIM (including unlimited).
iOS app iconGood iPhone app. 4.4 from 600 reviews.
Android app iconAverage Android app. 3.6 from 2,000 reviews.
Data top-up iconSupports data top-ups.
Hotspot iconHotspot allowed.
Network speed iconPossible speed limitation with excessive use.
Pros and Cons
Plus iconExcellent prices per GB of data.
Plus iconOffers both fixed and unlimited data packages.
Plus iconFast activation and good connection speeds.
Minus iconVery slow and inefficient customer support.
Minus iconMore complex purchasing process with occasional issues.
Minus iconInaccurate display of remaining data in the app.
Testing

Yesim provides eSIM services for visitors to Denver. The service eliminates physical SIM cards and offers instant activation. It connects to major US carriers like AT&T and T-Mobile for reliable 4G/5G coverage across Denver. Simply get the app, set up your eSIM profile, and you're online in minutes.

Yesim eSIM Plans in Denver

Selection of the best eSIM data plans for YESIM in Denver from 2 GB.

DataValidityPrice
5 GB30 days€ 16
10 GB30 days€ 18
20 GB30 days€ 22
Unlimited7 days€ 24
Unlimited15 days€ 33
Unlimited30 days€ 48
Last data update: 10/16/2025

Global YO eSIM in Denver

Global YO
8.0/10 ★★★★☆

Global YO offers eSIM plans with coverage in more than 200 countries. It stands out with very low prices and modern app design focused on younger generations, but has weaker customer support.

Basic Information
Coverage map icon200+ countries, eSIM for individual and multiple countries.
iOS app iconModern app for iPhone.
Android app iconModern app for Android.
Data top-up iconSupports data top-up.
Hotspot iconHotspot allowed.
Network speed iconSpeed according to local network.
Pros and Cons
Plus iconVery low prices for data packages.
Plus iconSmooth and quick eSIM installation.
Plus iconModern and stylish app.
Plus iconOption to add calling for an extra fee.
Minus iconPurchase only possible through the app.
Minus iconSlower customer support.
Minus iconApp doesn't work after data is depleted.
Testing

Global YO is an eSIM service offering mobile data in Denver and across America, with plans available for more than 200 countries. The provider operates with a fun, laid-back style that makes the experience feel less corporate and more community-focused. Some users appreciate the entertainment extras while others prefer focusing purely on connectivity without additional features.

Global YO eSIM Plans in Denver

Selection of the best eSIM data plans for Global YO in Denver from 2 GB.

DataValidityPrice
5 GB15 days$ 9.99
10 GB30 days$ 12.59
20 GB30 days$ 17.99
Last data update: 10/12/2025

Best eSIM Plans for Denver

2 GB in Denver

Comparison of offers for 2 GB data plans in Denver from the most popular eSIM providers.

ProviderValidityPrice
Airalo15 days$ 8
eSIM4Travel7 days$ 11.4
Saily15 days$ 11.49
Last data update: 10/6/2025

5 GB in Denver

Comparison of offers for 5 GB data plans in Denver from the most popular eSIM providers.

ProviderValidityPrice
eSIM4Travel30 days$ 4.4
Global YO15 days$ 9.99
Jetpac30 days$ 12.99
Saily30 days$ 13.99
GigSky30 days$ 15.99
Airalo30 days$ 16
Yesim30 days€ 16
Last data update: 10/16/2025

10 GB in Denver

Comparison of offers for 10 GB data plans in Denver from the most popular eSIM providers.

ProviderValidityPrice
eSIM4Travel30 days$ 8.4
Global YO30 days$ 12.59
Jetpac30 days$ 15.99
Yesim30 days€ 18
Saily30 days$ 22.99
GigSky30 days$ 25.99
Airalo30 days$ 26
Last data update: 10/16/2025

20 GB in Denver

Comparison of offers for 20 GB data plans in Denver from the most popular eSIM providers.

ProviderValidityPrice
eSIM4Travel30 days$ 17
Global YO30 days$ 17.99
Yesim30 days€ 22
Jetpac30 days$ 35
Saily30 days$ 36.99
Airalo30 days$ 42
Last data update: 10/16/2025

Unlimited Plan in Denver

Comparison of offers for unlimited data plans in Denver from the most popular eSIM providers.

ProviderValidityPrice
GigSky1 days$ 4.99
Holafly1 days$ 6.9
Holafly3 days$ 12.9
GigSky3 days$ 14.99
Yesim7 days€ 24
Last data update: 10/6/2025

Free Data in Denver

If you only need basic internet connection, for example to check emails or quick orientation after arrival, Roamless offers 500 MB of data for the USA for free.

Alternatively, you can try GigSky, which provides a test eSIM with 100 MB of data for free without requiring credit card registration. This trial version is ideal for testing eSIM functionality on your device before purchasing a paid package.

For more detailed information about free data options, visit our specialized article Free eSIM | How to Get Free Data for USA and Abroad. A comprehensive overview of all available offers including free options can be found in our USA eSIM comparison tool.

Roamless

Roamless USA.png

 

GigSky

GigSky USA.png

 

How to Set Up eSIM for Denver

Setting up an eSIM for the USA is a hassle-free process that will eliminate many challenges during your visit. The greatest benefit is the ability to make all arrangements before traveling, ensuring immediate connectivity upon arrival in the USA without the need to locate SIM card retailers or deal with potential language obstacles.

1. Check device compatibility: Before proceeding with an eSIM purchase, you need to verify whether your device supports this technology. Most current-generation smartphones from Apple, Samsung, Google, and other manufacturers are fully compatible with eSIM. To confirm, browse our updated overview of phones with eSIM support or complete list of compatible devices for.

2. Choose the optimal provider: For the USA, you have several proven providers available such as Airalo, Holafly, Yesim, eSIM4Travel, JetPac, Global YO, or GigSky. When selecting a data package, consider the length of your stay and planned activities – for basic use of navigation and social networks, 2 GB is usually sufficient, for more intensive use we recommend 5 GB or 10 GB packages. For the most accurate comparison of all available options, use our USA eSIM comparison tool, where you can filter offers according to your specific requirements.

3. Installation via QR code: Once you've completed your purchase, you'll receive an email containing either a QR code or activation code. Access your phone's settings menu, locate the "Mobile Data" or "Mobile Plan" option and select "Add Data Plan" or "Add eSIM". Proceed to scan the QR code and follow the subsequent instructions. In cases where you only have an activation code, it can be easily converted to a QR code using online tools.

We suggest completing the installation and activation of your eSIM prior to your departure, ideally with access to a stable Wi-Fi network. This approach guarantees that as soon as you touch down in the USA, you'll be connected without encountering any technical difficulties. 

Frequently Asked Questions about eSIM in Denver

Frequently Asked Questions

How much data will be required for my Denver stay?
During a Denver vacation, moderate data levels (0.8 GB/day) emerge as the smartest approach - they handle frequent map applications, social feed activity, messaging apps, and sporadic video conversations without shortage. Pick light data levels (0.5 GB/day) solely when hotel and cafe WiFi forms your chief internet source, restricting activities to essential communication and occasional map references. Select heavy data levels (1.2+ GB/day) when video content viewing, frequent video appointments, or constant content creation is part of your routine. Most mountain visitors realize moderate data levels provide optimal proportion, delivering around 5-6 GB over seven days with enough data to stay online while discovering trails without shortage anxiety.
Is it recommended to activate the eSIM before traveling to Denver or after getting there?
eSIM activation is flexible - before departure or after arrival - though setting it up prior to your trip is strongly encouraged. Create the eSIM profile at home while on WiFi to troubleshoot any difficulties without urgency. Keep it turned off or in airplane mode until needed. When you land in Denver (or anywhere in the USA), switch it on and it should link to the local network automatically within minutes, providing immediate access for ride bookings, contacting contacts, or finding your accommodation.
Which provider has the best eSIM signal strength and speed in Denver?
In Denver, T-Mobile and Verizon both provide outstanding coverage and fast data speeds across the metropolitan area. T-Mobile delivers robust 5G service throughout Downtown, the Tech Center, and neighboring districts, while Verizon offers dependable performance with extensive 5G Ultra Wideband in high-density areas. AT&T also maintains solid coverage citywide. Most eSIM providers partner with these major networks, ensuring you'll access excellent connectivity regardless of which carrier your eSIM uses, with negligible variation in everyday uses like browsing, navigation, and streaming.

Summary

Visiting Denver is substantially more convenient and cost-effective with eSIM technology. You won't need to search for physical SIM cards after landing, overcome language barriers, or pay exorbitant international roaming fees. Set up your internet connection before departure and enjoy immediate online access when you arrive in the Mile High City.

Our detailed guide evaluates the premier eSIM providers for the USA, including Airalo, Holafly, Yesim, eSIM4Travel, Jetpac, Global YO, and GigSky. Each provider offers distinct advantages, and the optimal choice depends on your Denver visit duration, planned mountain excursions, and personal requirements.

Popular data packages include 5 GB for typical usage, 2 GB for brief stays, 10 GB or 20 GB for longer visits, or unlimited packages for ski enthusiasts or intensive users exploring Colorado's Rocky Mountains.

For an economical and reliable solution, we suggest eSIM4Travel. Their service is operational immediately after installation, their customer support is responsive and available, and their pricing policy is among the most favorable. They don't restrict connection speeds, don't require additional apps, and provide flexible options to purchase more data on an already activated eSIM.

For travelers desiring unlimited data while exploring Denver and the surrounding mountains, the best option is Holafly, which uniquely offers exclusively unlimited data packages for the USA with various validity periods.

We highly recommend installing and activating your eSIM before your trip begins. This ensures a seamless start to your Denver adventure with immediate connectivity upon arrival, which is particularly valuable when navigating from Denver International Airport to your accommodation or communicating with local contacts.

For the most accurate and current comparison of all available eSIMs for the USA, utilize our comprehensive eSIM comparison tool, which allows you to filter options by data amount, validity period, and other parameters precisely according to your specific needs.

SIM card icon

What is eSIM?

eSIM allows you to use a digital SIM card instead of a traditional plastic one. This enables you to purchase a SIM card online for the country you're traveling to.

The most well-known eSIM providers on the market are Airalo, Holafly, eSIM4Travel, Yesim, Saily and others.

Frequently asked questions about eSIM:

More information about eSIM
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How to compare eSIM?

Here you can compare eSIM data packages for more than 170 countries, such as UK, USA, Egypt and others. And that for any duration and amount of data.

Along with additional information, such as provider ratings and whether the website is available in Czech.

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Why can you trust Vefru?

Founders František and Jan experienced problems with mobile data every time they traveled outside the EU. As technology enthusiasts, the idea of traveling abroad without a data connection or risking truly insane roaming fees was unacceptable to them. Regardless of how adventurous the story of walking across Toronto on a winter night without an online map might be, it's not something they would want to repeat.

After the emergence of eSIM and later eSIM travel data package providers, they learned a lot about the technology and industry and decided to share their findings and the comparison tool they created for themselves with others. It now contains more than 10,000 updated eSIM mobile data packages from the most popular providers for more than 170 countries around the world.

Every time you read a guide on Vefru, it is created in the same way the author would research the topic themselves. From contacting locals about the best network operators, to recommending the most advantageous plans for what you really need, to technical guides on how to create a QR code for eSIM or how to troubleshoot eSIM issues. Most articles are created based on topics that the authors themselves have dealt with and for which they found the best solutions.

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