Sioux Falls, SD
Internet plans in Sioux Falls from $30/mo.
3 providers serve addresses around 57104. Prices below are illustrative estimates — including the price after each promo ends — and the provider confirms final terms at your address.
- 3
- Providers listed
- $66
- Avg. bill in state
- 57104
- Sample ZIP
- September 2026
- Data reviewed
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Providers serving Sioux Falls
Open a provider for full plan detail, pros and cons.
CenturyLink
3.8Fiber · DSL
Flat, no-contract pricing with a price-for-life promise — the rate you sign up at is the rate you keep.
From $30/mo · up to 940 Mbps
T-Mobile Home Internet
4.45G Home
One flat price with taxes, fees, and equipment included, no annual contract, and a five-year price guarantee on most plans.
From $35/mo · up to 415 Mbps
Starlink
4.0Satellite
Low-earth-orbit satellite that reaches addresses no wired provider will serve, with latency low enough for video calls.
From $80/mo · up to 220 Mbps
Prices are illustrative entry-level estimates — providers control pricing, terms, and availability.
Moving to Sioux Falls?
Book activation for the morning you get keys — install calendars fill fastest at month-end.
Renting here?
Ask whether the unit is pre-wired. It often decides whether you can self-install the same day.
Already a customer?
Neighbors in South Dakota average $66/mo. If you're above that, it's time to compare.
Sioux Falls internet FAQs
Straight answers before you compare plans at your address.
Who provides internet in Sioux Falls, SD?
CenturyLink, T-Mobile Home Internet, Starlink all serve addresses in and around 57104. Exact availability depends on your street.
What is the cheapest internet in Sioux Falls?
CenturyLink lists entry plans from about $30/mo. Promos usually step up after year one, so compare the post-promo price before you commit — we show it on every provider page.
Can I get fiber in Sioux Falls?
Yes — CenturyLink offers fiber plans in the Sioux Falls area. Statewide, about 45% of South Dakota addresses can get fiber today; enter your ZIP to confirm yours.
Why do internet prices vary by address in Sioux Falls?
Providers price plans by service area, available network and current promotion. Two Sioux Falls addresses can see different options, so use your ZIP for a shortlist and confirm the final price, fees and terms with the provider.
What should I compare before choosing a Sioux Falls internet plan?
Compare the regular price after any promotion, expected speed, equipment charges, installation fees, contract terms and cancellation rules. The lowest starting price is not always the lowest total cost.
Compare every Sioux Falls plan in one search
One free ZIP search compares illustrative prices, speeds and terms from providers with footprints in your area.