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Internet providers in SeaTac, WA
Shop the best SeaTac internet providers. Compare internet plan pricing and speeds from cable, DSL and fiber-optic providers in your area.
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SeaTac, WA internet providers
Need help? Call (844) 451-2720
Provider | ||||
Xfinity | $29.99 | 15 - 987 Mbps | Cable | 99% |
CenturyLink | $65 | 12 - 1,000 Mbps | Fiber-optic | 45% |
CenturyLink | $45 | 12 - 140 Mbps | DSL | 83% |
GTT Communications | - | - | DSL | 1.330% |
HughesNet | $59.99 | 25 - 25 Mbps | Satellite | 100% |
Viasat | $50 | 12 - 25 Mbps | Satellite | 100% |
*Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. As of Jun 1, 2020.
Need help?SeaTac internet service at a glance
At 100%, broadband coverage in SeaTac is comparable to the rest of Washington - 97%, and comparable to broadband coverage across the U.S. - 95%.
The vast majority of those living in the SeaTac area will have access to cable, which covers 99% of SeaTac residents. DSL internet is also an option for many, offering service to 94% of the area. Fiber-optic is less available but still a popular internet option for roughly 45% of those living in SeaTac.
There are five internet providers serving the SeaTac area, and 97.45% of households will have internet options from more than one provider. Among SeaTac's five internet providers, prices start at $29.99 and available download speeds reach up to 1,000 Mbps.
Top high-speed internet providers in SeaTac
The largest internet providers in SeaTac are Xfinity and CenturyLink bringing cable, DSL, and fiber-optic options to SeaTac.
Cable internet from Xfinity is available to nearly all SeaTac residents, covering 99% of households. Many will also have the option of DSL from CenturyLink, which covers 83% of the area. SeaTac’s third most-available internet provider, CenturyLink, offers fiber-optic to around 45% of SeaTac residents.

Xfinity cable internet
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*Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. Speeds may vary. As of Jun 1, 2020.
Cable from Xfinity offers broadband to all households in SeaTac covering 99% of the area.
Xfinity’s cable network is likely to offer faster speeds than DSL or satellite service, but SeaTac residents in densely populated areas may experience slowed speeds during peak usage times.
Internet prices for Xfinity start at $29.99/mo.*, which is significantly lower than the average starting price for internet in SeaTac, $46.24.
Xfinity customers who choose the lowest-priced plan can expect speeds up to 15 Mbps, which comes to an estimated $2.00 per Mbps, about the same as the average cost per Mbps for the lowest priced plans in SeaTac, $2.43.
For those who value internet speed as much as cost, Xfinity offers download speeds up to 987 Mbps and upload speeds up to 35 Mbps in SeaTac. These download speeds are available to 99% of the area, and are much faster than the average max speeds from all SeaTac's providers, 544 Mbps.

CenturyLink DSL internet
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*Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. Speeds may vary. As of Jun 1, 2020.
DSL from CenturyLink offers broadband to nearly all households in SeaTac covering 83% of the area.
DSL internet from CenturyLink uses telephone lines in SeaTac to deliver service, which often leads to lower prices and higher availability, though download speeds are likely to be slower than cable or fiber-optic internet.
Internet prices for CenturyLink start at $45/mo.*, which is about the same as the average starting price for internet in SeaTac, $46.24.
CenturyLink customers who choose the lowest-priced plan can expect speeds up to 12 Mbps, which comes to an estimated $3.75 per Mbps, higher than the average cost per Mbps for the lowest priced plans in SeaTac, $2.43.
For those who value internet speed as much as cost, CenturyLink offers download speeds up to 140 Mbps and upload speeds up to 40 Mbps in SeaTac. These download speeds are available to 83% of the area, and are much slower than the average max speeds from all SeaTac's providers, 544 Mbps.

CenturyLink fiber-optic internet
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*Pricing per month plus taxes for length of contract. Additional fees and terms may apply. Pricing varies by location and availability. All prices subject to change at any time. May or may not be available based on service address. Speeds may vary. As of Jun 1, 2020.
Fiber-optic from CenturyLink offers broadband to about half of households in SeaTac covering 45% of the area.
Fiber-optic service from CenturyLink is popular for its fast download and upload speeds, even during peak usage times, but may be less available throughout SeaTac than other internet types.
Internet prices for CenturyLink start at $65/mo.*, which is significantly higher than the average starting price for internet in SeaTac, $46.24.
CenturyLink customers who choose the lowest-priced plan can expect speeds up to 12 Mbps, which comes to an estimated $5.42 per Mbps, higher than the average cost per Mbps for the lowest priced plans in SeaTac, $2.43.
For those who value internet speed as much as cost, CenturyLink offers download speeds up to 1,000 Mbps and upload speeds up to 1,000 Mbps in SeaTac. These download speeds are available to 45% of the area, and are much faster than the average max speeds from all SeaTac's providers, 544 Mbps.
Internet coverage for rural areas
If you live in the heart of SeaTac, you’ll likely have options from cable, DSL, and fiber-optic internet providers. For those in rural areas or just outside SeaTac, however, satellite or fixed wireless internet may be the best internet option.
Satellite internet from HughesNet and Viasat offers 100% availability in SeaTac and surrounding areas. HughesNet starting prices are significantly higher than average in SeaTac at $59.99/mo. for speeds up to 25 Mbps. Viasat starting prices are about average in SeaTac at $50/mo. for speeds up to 25 Mbps. Satellite internet is a less appealing option for many SeaTac residents, however, as service typically comes with high latency and low data allowances.
Internet provider frequently asked questions
What’s the fastest internet provider in SeaTac?
CenturyLink is the fastest internet provider in SeaTac with download speeds up to 1,000 Mbps. These speeds are available to 45% of households in SeaTac. The next fastest internet provider in SeaTac is Xfinity, offering download speeds up to 987 Mbps to 99% of the area.
What’s the cheapest internet provider in SeaTac?
Xfinity offers the cheapest internet in SeaTac with plans starting at $29.99/mo. This is significantly less than the average starting price for internet in SeaTac, $46.24.
Is fiber internet available in SeaTac?
CenturyLink is the largest fiber-optic internet service provider in SeaTac, covering 45% of the city.
How do I change internet providers?
Learn the penalty, if any, of canceling service with your current provider. Find other internet providers in your area and compare plans and pricing. Choose the internet provider and plan that best meets your needs. Order your new services and get your installation/activation date. Call your current internet provider and cancel service by the activation date of your new service.
How can I boost my internet speeds?
Resetting your router and optimizing your router settings can give you an instant speed boost. Consider Wi-Fi extenders if your signal is weaker in certain areas of your home. Also, be sure to check your Wi-Fi network to see if there are any unknown devices or users connected that could be slowing your network.
Is cable or DSL better?
Cable internet will nearly always offer faster speeds than DSL, but typically at a higher price point. So if you’re shopping for cheap internet plans, DSL may be your better option but if you want speed, consider cable internet.