Top cheap internet providers in San Diego, CA in 2025: Compare plans and prices

• Spectrum offers the cheapest plans, starting at $30/month, while AT&T boasts the fastest speeds, up to 5,000 Mbps.
• San Diego offers various internet options, including cable, fiber-optic, and wireless from providers like Cox, Verizon 5G, T-Mobile, Spectrum, and AT&T.
• Consumers should consider availability, speed, price, contract terms, and customer service when choosing a provider.

San Diego’s internet landscape features a variety of options for homes and businesses. Residents can choose from cable, fiber-optic and wireless services to meet their internet needs. Internet access is important for work, school and streaming. In San Diego, several national providers offer plans at different price points. Understanding the choices helps residents find affordable internet and reliable service.

This guide compares leading providers, including Cox, Verizon 5G, T-Mobile, Spectrum and AT&T, highlighting available plans, speeds and costs to help readers make informed decisions. These companies are considered the top cheap internet providers in San Diego due to their broad coverage, range of plans and competitive prices. Each provider has different strengths, such as speed, price or contract flexibility, making it important for customers to compare options.

Top cheap internet service providers in San Diego, CA

San Diego, CA, has a competitive internet market with several national providers offering services across the city. These providers are ranked from cheapest to most expensive based on base plan costs:

1. Spectrum: Plans start at $30 a month. Cable connection
2. Cox: Plans start at $50 a month. Cable/fiber hybrid connection
3. Verizon 5G: Plans start at $50 a month. 5G connection
4. T-Mobile: Plans start at $50 a month. 5G connection
5. AT&T: Plans start at $55 a month. Fiber connection

*Offers and prices may vary by service area and availability. Actual download and upload speeds vary.

Compare the best cheap internet providers in San Diego, CA

Spectrum

Spectrum is a cable internet provider with wide coverage in San Diego. Its plans do not have data caps and do not require contracts. Spectrum offers bundled options with TV and phone services. The network is known for stable speeds and straightforward pricing.

Here’s a quick look at Spectrum provider plan options in San Diego:

• Spectrum Internet® Advantage: Start at $30 a month for download speeds of 100 Mbps and upload speeds of 20 Mbps.
• Spectrum Internet® Premier: Start at $50 a month for download speeds of 500 Mbps and upload speeds of 20 Mbps.
• Spectrum Internet® Gig: Start at $70 a month for download speeds of 1,000 Mbps and upload speeds of 35 Mbps.

Read our full Spectrum review.

Disclaimer: Limited time offer; subject to change; new residential customers only (no Spectrum services within past 30 days) and in good standing with Spectrum. Taxes and fees extra in select states. Standard rates apply after promo period. SPECTRUM INTERNET ADVANTAGE: Offer based on eligibility requirements. Standard rates apply after promo period. Additional charge for installation. Speeds based on wired connection. Actual speeds (including wireless) vary and are not guaranteed. Services subject to all applicable service terms and conditions, subject to change. Not available in all areas. Restrictions apply. ©2025

Cox

Cox is a cable internet provider with wide coverage in San Diego. It offers multiple plans with varying speeds, making it suitable for a range of users. Cox is known for flexible month-to-month terms and the option to bundle with TV or phone services. Cox internet is powered by fiber, but connected via a coaxial cable line. Its plans include data caps, but they are high enough for most households.

Here’s a quick look at Cox provider plan options in San Diego:

• Cox Fast: Starts at $50 per month for download and upload speeds of 300/30 Mbps for 24 months. Gateway equipment and a one-year unlimited mobile line included.
• Cox Go Even Faster: Starts at $70 per month for download and upload speeds of 500/50 Mbps for 24 months. Gateway equipment and a one-year unlimited mobile line included.
• Cox Go Super Fast: Starts at $90 per month for download and upload speeds of 1,000/100 Mbps for 24 months. Gateway equipment and a one-year unlimited mobile line included.
• Cox Go Beyond Fast: Starts at $140 per month for download and upload speeds of 2,000/100 Mbps for 24 months. Gateway equipment and a one-year unlimited mobile line included.

Read our full Cox Internet review.

*Prices based on ZIP code 92123. Auto-pay, paperless billing discounts may be applied. Pricing, packages, and policies are subject to change, including when adjusting or removing services or equipment. Prices do not include applicable taxes, surcharges, usage-based charges (such as data, toll usage, pay-per-use service), and other fees. After any promotional period, regular rates apply (see www.cox.com). Prorated charges may appear on your bill if you change services before the billing cycle is complete. 

Verizon 5G

Verizon 5G Home Internet uses wireless technology to deliver internet to homes. It is available in many San Diego neighborhoods and provides an alternative to traditional wired services. Verizon’s plans feature straightforward pricing, no annual contracts and no data caps.

Here’s a quick look at Verizon 5G provider plan options in San Diego:

• Verizon 5G Home: Starts at $50 per month for upload and download speeds of 85 to100 Mbps.
• Verizon 5G Home Plus: Starts at $60 per month for upload and download speeds of 100 to 150 Mbps.
• Verizon 5G Home Ultimate: Starts at $75 per month for upload and download speeds of 85 to 300 Mbps. May get download speeds up to 1,000 Mbps in select areas with additional equipment.

Read our full Verizon 5G home internet review.

*Prices and plans based on ZIP code 92128. For new and existing myHome customers. Available on 5G Ultra Wideband high-band or mmWave spectrum. Applies only to the then-current base monthly rate exclusive of any other setup and additional equipment charges. Auto-pay and paperless billing discount included. Prices vary by location and are subject to change. Actual speeds may vary.5G Home Internet plans vary depending on address/location, equipment, network connection and external factors affecting cellular networks.

T-Mobile

T-Mobile 5G Home Internet is a wireless service that uses T-Mobile’s 5G and 4G LTE networks. It is available in most areas of San Diego. Plans are simple with no annual contract or data cap. T-Mobile’s easy setup makes it popular for renters and those looking for a quick start.

Here’s a quick look at T-Mobile's provider plan options in San Diego:

• T-Mobile Rely Home Internet: Starts at $50 a month for download and upload speeds up to 415 Mbps/55 Mbps.
• T-Mobile Amplified Home Internet: Starts at $60 a month for download and upload speeds of up to 415 Mbps/55 Mbps.
• T-Mobile All-In Home Internet: Starts at $70 a month for download speeds and upload of up to 415 Mbps/55 Mbps. Includes Wi-Fi Mesh Access Point for faster speeds.

Read our full T-Mobile home internet review.

*Offers and prices may vary by service area and availability. Actual download and upload speeds vary.

AT&T

AT&T offers fiber and fixed wireless internet in parts of San Diego. Its fiber-optic plans are the fastest out of all the providers in our San Diego guide. AT&T plans feature no annual contracts and unlimited data for fiber connections.

Here’s a quick look at AT&T fiber plan options in San Diego:

• Internet 300: Starts at $55 per month for download and upload speeds of 300 Mbps.
• Internet 500: Starts at $65 per month for download and upload speeds of 500 Mbps.
• Internet 1,000: Starts at $65 per month for download and upload speeds of 1,000 Mbps. *Special offer until 9/30/2025.
• Internet 2 Gig: Starts at $125 per month for download and upload speeds of 2,000 Mbps.
• Internet 5 Gig: Starts at $155 per month for download and upload speeds of 5,000 Mbps.

* Prices based on ZIP code: 92123. Plus taxes (w/ eligible Autopay & Paperless bill). Price after $10/mo discount with eligible Autopay & Paperless bill (w/in 2 bills). See offer details below. One time install chrg may apply. Ltd. avail/areas. Speeds based on wired connection. Actual speeds may vary. For more info, go to www.att.com/speed101. In no case does AT&T guarantee particular minimum speeds

Which internet providers offer the cheapest internet in San Diego, CA?

Spectrum is the cheapest internet provider in our San Diego guide. Based on the lowest advertised monthly plan prices, here are the providers ranked from cheapest to most expensive:

1. Spectrum: Plans range from $30 to $70 per month
2. Cox: Plans range from $50 to $140 per month
3. Verizon 5G: Plans range from $50 to $75 per month
4. T-Mobile: Plans range from $50 to $70 per month
5. AT&T: Plans range from $55 to $125 per month

*Offers and prices may vary by service area and availability. Actual download and upload speeds vary.

What are the fastest internet options in San Diego, CA?

The fastest internet provider in our San Diego guide is AT&T. Download speeds matter because faster speeds support more devices and let users stream, game or work with fewer interruptions. High speeds are important for large households or heavy internet use.

Here are the providers ranked from fastest to slowest maximum download speeds:

1. AT&T: Download and upload speeds of 5,000/5,000 Mbps. Fiber
2. Cox: Download and upload speeds of 2,000/100 Mbps. Cable/fiber hybrid
3. Spectrum: Download and upload speeds of 1,000/35 Mbps. Cable
4. Verizon 5G: Download and upload speeds of 300/85 Mbps. May get download speeds up to 1,000 Mbps in select areas with additional equipment. 5G connection
5. T-Mobile: Download and upload speeds of 415 Mbps/55 Mbps. Higher speeds may be available with extra equipment. 5G connection

*Offers and prices may vary by service area and availability. Actual download and upload speeds vary.

How to choose an internet service provider in San Diego, CA

There are several things to consider before choosing an internet provider in San Diego, including:

• Availability: Not all providers serve every address. Check coverage for your location.
• Speed: Match speed to your internet use. Faster speeds are better for streaming and gaming.
• Price: Compare monthly costs and any extra fees to fit your budget.
• Contract terms: Some plans have contracts or require equipment rentals. Look for no-contract options if you want flexibility.
• Customer service: Good support can help resolve issues quickly and reduce downtime.

What types of internet are available in San Diego, CA?

San Diego residents have a variety of choices when it comes to types of internet connections. Common internet connection types include:

• Fiber: Uses fiber-optic cables for very high speeds and reliable service.
• Cable: Delivers internet through coaxial cables. Widely available and supports fast speeds.
• DSL: Uses telephone lines. Slower than cable or fiber, but available in more areas.
• 5G/4G Wireless: Uses cellular networks to provide home internet. Flexible and easy to set up.

Are there any special programs for affordable internet in San Diego?

Several providers offer low-cost internet programs in San Diego. To qualify, you must meet eligibility requirements.

• Cox ConnectAssist: Starts at $30 a month for download speeds of 100 Mbps and free equipment and installation.
• Cox Connect2Complete: Starts at $9.95 a month for download speeds of 100 Mbps and free equipment and installation. Designed for households with a student in grades K through 12.
• T-Mobile Project 10Million: Provides free or discounted internet to eligible student households.
• Verizon Forward: Starts at $20 a month for qualifying Verizon 5G and Verizon Fios plans.
• Access from AT&T: Starts at $30 a month for download speeds of 100 Mbps. Must meet eligibility requirements.
• Spectrum InternetⓇ Assist: Starts at $25 a month for download speeds of 50 Mbps.

Contributing: Robin Layton, Hannah Whatley, Allconnect

This article was edited with the assistance of Artificial Intelligence (AI) and reviewed by a journalist before publication. Learn more about Gannett’s AI guidelines and policy here.