Best Internet Providers in Ontario, California for 2026
Compare the Best Internet Service Providers in Ontario, CA
Speedtest aggregates all of the millions of daily tests across our website and apps by users just like you. We’ve filtered those tests down to those taken in Ontario, California, to give you a real sense of what performance is like across the top providers, and to help you make a more informed ISP decision.
Speedtest aggregates all of the millions of daily tests across our website and apps by users just like you. We’ve filtered those tests down to those taken in Ontario, California, to give you a real sense of what performance is like across the top providers, and to help you make a more informed ISP decision.
| Download | 351.02 | Mbps |
|---|---|---|
| Upload | 23.12 | Mbps |
| Latency | 19 | ms |
Speedtest aggregates all of the millions of daily tests across our website and apps by users just like you. We’ve filtered those tests down to those taken in Ontario, California, to give you a real sense of what performance is like across the top providers, and to help you make a more informed ISP decision.
| Download | 105.72 | Mbps |
|---|---|---|
| Upload | 98.95 | Mbps |
| Latency | 9 | ms |
Speedtest aggregates all of the millions of daily tests across our website and apps by users just like you. We’ve filtered those tests down to those taken in Ontario, California, to give you a real sense of what performance is like across the top providers, and to help you make a more informed ISP decision.
| Download | - | Mbps |
|---|---|---|
| Upload | - | Mbps |
| Latency | - | ms |
Speedtest aggregates all of the millions of daily tests across our website and apps by users just like you. We’ve filtered those tests down to those taken in Ontario, California, to give you a real sense of what performance is like across the top providers, and to help you make a more informed ISP decision.
| Download | - | Mbps |
|---|---|---|
| Upload | - | Mbps |
| Latency | - | ms |
Speedtest aggregates all of the millions of daily tests across our website and apps by users just like you. We’ve filtered those tests down to those taken in Ontario, California, to give you a real sense of what performance is like across the top providers, and to help you make a more informed ISP decision.
| Download | - | Mbps |
|---|---|---|
| Upload | - | Mbps |
| Latency | - | ms |
Speedtest aggregates all of the millions of daily tests across our website and apps by users just like you. We’ve filtered those tests down to those taken in Ontario, California, to give you a real sense of what performance is like across the top providers, and to help you make a more informed ISP decision.
| Download | - | Mbps |
|---|---|---|
| Upload | - | Mbps |
| Latency | - | ms |
Speedtest aggregates all of the millions of daily tests across our website and apps by users just like you. We’ve filtered those tests down to those taken in Ontario, California, to give you a real sense of what performance is like across the top providers, and to help you make a more informed ISP decision.
| Download | - | Mbps |
|---|---|---|
| Upload | - | Mbps |
| Latency | - | ms |
Speedtest aggregates all of the millions of daily tests across our website and apps by users just like you. We’ve filtered those tests down to those taken in Ontario, California, to give you a real sense of what performance is like across the top providers, and to help you make a more informed ISP decision.
| Download | - | Mbps |
|---|---|---|
| Upload | - | Mbps |
| Latency | - | ms |
Speedtest aggregates all of the millions of daily tests across our website and apps by users just like you. We’ve filtered those tests down to those taken in Ontario, California, to give you a real sense of what performance is like across the top providers, and to help you make a more informed ISP decision.
| Download | - | Mbps |
|---|---|---|
| Upload | - | Mbps |
| Latency | - | ms |
Speedtest aggregates all of the millions of daily tests across our website and apps by users just like you. We’ve filtered those tests down to those taken in Ontario, California, to give you a real sense of what performance is like across the top providers, and to help you make a more informed ISP decision.
| Download | - | Mbps |
|---|---|---|
| Upload | - | Mbps |
| Latency | - | ms |
Not all plans are available in all areas. Provider plan, availability, and speed tier data provided by BroadbandNow.com. Speedtest real-world data is only present where sample size has reached significance within a region. Additionally, averages may include aggregated tests across multiple Internet Types (Fiber, DSL, Cable, etc.).
Ontario, Calif., is the Inland Empire's rising star, anchored by a major international airport and proximity to both LA and the mountains. With a revitalized downtown and growing logistics sector, this Southern California city offers urban convenience at a more affordable price. When it's time to get online, Ontario's internet options provide fast, reliable service for remote work, streaming, gaming, and everything in between.
So who delivers the fastest speeds in Ontario? Based on Speedtest data collected in the second half of 2025, Frontier Fiber leads the city with median downloads of 357.6 Mbps, followed by Spectrum at 351.02 Mbps. Across Ontario overall, typical fixed connections average 329.13 Mbps down, enough for remote work, streaming, and everyday multitasking across multiple devices.
Your internet needs depend on how you actually use your connection. For most households of three to four people watching a moderate amount of streaming video and handling typical work-from-home tasks, a 300 to 500 Mbps plan is more than enough. But for creators, tech professionals, or large households, gigabit speeds and strong upload performance make a noticeable difference.
How to Pick the Right Internet Provider in Ontario
Here are some practical tips:
Check Your Address
Many ISPs tout citywide coverage, but availability varies block by block. Use provider lookup tools or Speedtest's zip code breakdowns to verify what's actually available at your address.
Consider More Than Speed
Reliability, customer support, and data caps matter just as much as raw speed. Many fiber plans include unlimited data and no equipment rental fees, while some cable plans have data caps that could affect heavy users.
Think About Uploads
If you regularly send large files, stream on Twitch, or make frequent video calls, symmetrical upload/download speeds (typically only offered by fiber) can make a significant difference in your daily experience.
Match a Plan to Your Needs
Don't pay for gigabit if you're just browsing and streaming a few hours a night. On the flip side, don't go too cheap if you're running a business or have multiple heavy users at home.
Read the Fine Print
Promotional rates often expire after 12 months. Check for hidden fees, contracts, or equipment rentals that could inflate your total cost over time.
How Much Speed Do I Need?
Download speeds of at least 100 Mbps and upload speeds of at least 10 Mbps are widely considered fast enough to handle nearly any online activity. A quick guide to what speeds you need for different online activities is below, and you can read our full guide to internet speeds and performance for more information. Keep in mind that the numbers below are the bare minimum for one device at a time. If you’re trying to use multiple devices on a network at the same time, you’ll want higher speeds.
0–5 Mbps (Slow)
- Stream SD video
- Connect on Slack
- Use Microsoft Teams
- Write and read email
- Scroll social media
- General web browsing
5–20 Mbps (Better)
- Stream HD video at 1080p
20–40 Mbps (Solid)
- Stream 4K video
- Play games online
40–100 Mbps (Good)
- Stream HD games
100+ Mbps (Fast)
- Engage in multi-player gaming
- Download huge files
1+ Gbps (Very fast)
- Do anything you want on multiple devices
ISP Speeds in Ontario, CA
According to Speedtest Intelligence®, as of January 2026, Ontario reports the following city-wide median speeds:
| Metric | Result |
|---|---|
| Median download speed | 329.13 Mbps |
| Median upload speed | 41.15 Mbps |
| Median latency | 9 ms |
| Top-performing ISP | Frontier Fiber (357.6 Mbps median download) |
ISP Speeds in Ontario, Calif.
Based on Speedtest data collected in the second half of 2025, here's how the major providers compare:
- Frontier Fiber: Ontario's fastest provider based on real-world performance. Downloads of 357.6 Mbps, uploads of 282.42 Mbps. Its fiber infrastructure delivers symmetrical speeds ideal for video calls, cloud backups, and content creation.
- Spectrum: A strong performer in the Ontario market. Downloads of 351.02 Mbps, uploads of 23.12 Mbps. Its cable network provides solid download performance for streaming and everyday browsing.
- Ultimate Internet Access: Available in parts of Ontario. Downloads of 237.7 Mbps, uploads of 230.25 Mbps.
- Frontier: Available in parts of Ontario. Downloads of 105.72 Mbps, uploads of 98.95 Mbps. Its fiber infrastructure delivers symmetrical speeds ideal for video calls, cloud backups, and content creation.
- EarthLink: Available in Ontario. Real-world Speedtest data is not yet available for this market.
- Onward: Available in Ontario. Real-world Speedtest data is not yet available for this market.
- T-Mobile 5G Home Internet: Available in Ontario. Real-world Speedtest data is not yet available for this market. It offers flexible, contract-free wireless service with quick setup.
- Starlink: Available in Ontario. Real-world Speedtest data is not yet available for this market. It provides satellite coverage for areas where wired options may be limited.
Ontario Fixed Speeds
Download Mbps
Median download speed
Upload Mbps
Median upload speed
Latency ms
Median latency
To be added to this list for mobile or fixed broadband, 75% of a city's monthly unique user totals over a 13-month period must have a minimum of 200 monthly unique user results. To be updated for mobile or fixed broadband, 75% of a city's monthly unique user totals over a 13-month period must have a minimum of 100 monthly unique user results.
An operator or ISP must account for 3% or more of total test samples in the market to be on this list. We display data if at least two operators or ISPs meet this threshold in a designated region or city.
Internet Providers in Nearby Cities
California
Home Internet in Ontario
At the time of this writing, the average starting price for internet in Ontario is about $50 per month, based on entry-level plans from major providers in the area. Wireless providers typically offer plans around $50 to $70. Most households can expect to pay between $50 to $85 per month for reliable service.
Top Internet Providers in Ontario, Calif.
Frontier Fiber
- Type: Fiber
- Max speeds: Up to 2000 Mbps download / 2000 Mbps upload
- Best for: Households needing symmetrical upload/download speeds
- Price range: $50–$150/month
Based on Speedtest data collected in the second half of 2025, Frontier Fiber delivers median download speeds of 357.6 Mbps and upload speeds of 282.42 Mbps in Ontario. Its symmetrical speeds make it well-suited for video conferencing, cloud storage, and content creation.
Spectrum
- Type: Cable
- Max speeds: Up to 2000 Mbps download / 35 Mbps upload
- Best for: General households with moderate to heavy usage
- Price range: $40–$100/month
Based on Speedtest data collected in the second half of 2025, Spectrum delivers median download speeds of 351.02 Mbps and upload speeds of 23.12 Mbps in Ontario. Its cable infrastructure provides solid download performance for streaming and general browsing.
Ultimate Internet Access
- Type: Internet
- Max speeds: Up to 1000 Mbps download / 50 Mbps upload
- Best for: Families and heavy streamers
- Price range: $50–$80/month
Based on Speedtest data collected in the second half of 2025, Ultimate Internet Access delivers median download speeds of 237.7 Mbps and upload speeds of 230.25 Mbps in Ontario.
Frontier
- Type: Fiber/DSL
- Max speeds: Up to 1000 Mbps download / 2000 Mbps upload
- Best for: Areas with mixed infrastructure availability
- Price range: $50–$180/month
Based on Speedtest data collected in the second half of 2025, Frontier delivers median download speeds of 105.72 Mbps and upload speeds of 98.95 Mbps in Ontario. Its symmetrical speeds make it well-suited for video conferencing, cloud storage, and content creation.
EarthLink
- Type: Fiber
- Max speeds: Varies by plan
- Best for: Power users and multi-device households
- Price range: $40–$100/month
EarthLink is available in Ontario. Real-world Speedtest data is not yet available for this market, but it offers a flexible option for households seeking alternatives to traditional wired service.
Onward
- Type: Internet
- Max speeds: Varies by plan
- Best for: General households with moderate to heavy usage
- Price range: $40–$80/month
Onward is available in Ontario. Real-world Speedtest data is not yet available for this market, but it offers a flexible option for households seeking alternatives to traditional wired service.
FAQs
Who provides the fastest internet speeds in Ontario?
Frontier Fiber leads with median download speeds of 357.6 Mbps, followed by Spectrum at 351.02 Mbps, based on Speedtest user data collected in the second half of 2025.
Is fiber internet available in Ontario?
Yes. Frontier Fiber and Frontier offer fiber connections in Ontario.
Who has the cheapest internet in Ontario?
Entry-level plans in Ontario typically start around $40 to $50 per month. Check provider websites for current promotional pricing.
Where can I find free Wi-Fi in Ontario?
Free public Wi-Fi is available at Ontario public libraries, many coffee shops, and select parks and community centers throughout the city.
Speedtest TL;DR
Ontario offers solid internet options for most residents. Frontier Fiber tops the local speed charts, with Spectrum close behind. With city-wide median speeds of 329.13 Mbps down and 41.15 Mbps up, most Ontario households have access to reliable connectivity for remote work, streaming, and everyday use.
How we test the speed of ISPs
Speedtest is the definitive way to test the performance and quality of an internet connection. Millions of users like you use Speedtest.net and our Android and iOS apps every day to test internet performance (including bandwidth, latency, coverage, video metrics, and more) in real world situations. We then use rigorous scientific approaches to aggregate and anonymize those results to empower people like you with content like this so you can understand and optimize your internet experience.
The data found within has not been subjected to the rigorous Speedtest marketing claims and data methodology, and therefore cannot be used in commercial applications. Additionally, promised speeds and plans offered are always subject to change.
How to test your internet speed
Speedtest can help you test the speed and overall performance of your internet for free from any device. Click here to open a new page and take a Speedtest. You can then compare your results with what you’ve learned about internet performance near you. If you aren’t getting the results you expect, you can either use this guide to use your Speedtest results to talk to your internet provider or you can shop for a new provider.