In SeaTac there are 5 residential internet providers covering 99.96% of the city. The average home can get speeds up to 992 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.

 

5 Internet Service Providers in SeaTac

XFINITY from Comcast | Cable

Availability:

99.16%

Avg. Speed:

1,000 Mbps

Centurylink | DSL

Availability:

93.04%

Avg. Speed:

81 Mbps

Centurylink | Fiber

Availability:

83.62%

Avg. Speed:

892 Mbps

Astound Broadband powered by Wave Broadband | Cable

Availability:

1.19%

Avg. Speed:

250 Mbps

T-Mobile Home Internet | 4G & 5G Home Internet

Availability:

43.00%

Avg. Speed:

25 Mbps

To avoid wasting your time, providers with less than 1% coverage in SeaTac are not shown.

 

SeaTac Satellite TV & Internet Providers

DISH Satellite TV

Availability:

100%

Avg. Speed:

N/A: Call to bundle.

 

DIRECTV Satellite TV

Availability:

100%

Avg. Speed:

N/A

Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.

 

HughesNet Satellite Internet

Availability:

100%

Avg. Speed:

15 Mbps

(High latency)

 

 

 

Where in SeaTac is internet available?

SeaTac, WA map of internet availability

Internet Availability Key

0%
50%
100%

 

Internet service is available in 99.96% of SeaTac. Areas in green are more likely to have fiber, cable, DSL, or fixed wireless internet service. Areas in red may be more reliant on satellite service. The most widely available provider is XFINITY. Call one of the companies with service in SeaTac above to see who has service at your home, or click the technology to see where it can be found in SeaTac.

 

How fast are internet speeds in SeaTac?

The map below shows maximum internet speeds by area in SeaTac.

SeaTac, WA map of local internet speeds

Internet Speed Key

1 Mbps
50 Mbps
1000 Mbps+

 

The average SeaTac home can get up to 992 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 99.16% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 30 Mbps. See the internet provider details below for info about their speed and coverage in SeaTac.

Internet speeds tend to be faster in the east parts of SeaTac, and slower in the central areas of the city.

 

What type of internet should I choose in SeaTac?

The fastest internet for you may vary based on where in SeaTac you live. If speed is your main concern, cable will be the fastest internet in the city.

  • Fiber is the fastest internet type for less than 1% of SeaTac homes.
  • Cable is fastest for 99.16% of the city.
  • DSL is fastest for less than 1%.
  • Fixed wireless is fastest for less than 1%.
  • Satellite internet may be the only option for less than 1% of SeaTac homes.

 

Internet Market Health in SeaTac

SeaTac, WA map of internet competition

Internet Competition Key

4+ options
2 options
No alternatives

The map shows how competitive the SeaTac internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.

Below are quick facts on internet competition and market health in SeaTac based on what connections the average home has availabile:

  • Average number of internet service providers to a home: 3.2 (healthy)
  • Average types of service (fiber, cable, DSL, etc): 3.2 (very healthy)
  • Average providers with broadband (25 Mbps+) speeds: 3.1 (very healthy)

Overall, competition is very healthy.

SeaTac internet customers have the ability to buy internet service from 1 to 4 different providers, depending on where they live. For different types of service, SeaTac homes have between 1 and 4 options. The type(s) of service available are cable, dsl, fiber, and fixed wireless, though these may vary depending on the region within the city.

When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. SeaTac internet customers who want faster speeds have between 0 and 4 choices of companies offering speeds up to or over 25 Mbps.

More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, SeaTac is doing quite well.

 

TV & Internet Providers in Depth

Below you'll find which TV and internet providers offer service in SeaTac, along with details on where in SeaTac and at what speeds.

XFINITY from Comcast Cable in SeaTac, WA

XFINITY cable coverage

About 99.16%, or 26,683 people, have XFINITY cable internet available to them in the city. The company covers the entire SeaTac area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of SeaTac.

 

XFINITY from Comcast cable download speeds

XFINITY is the fastest when comparing download speeds to all other internet providers in SeaTac. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout SeaTac. The fastest plan anyone in SeaTac can order from XFINITY goes up to 1,000 Mbps, and all SeaTac customers can get this speed.

Show all download speeds

The following maximum speeds are marketed to XFINITY from Comcast customers in SeaTac. Cheaper plans with slower speeds may be available.

  • 100.0% up to 1,000.0 Mbps

 

XFINITY from Comcast cable upload speeds

In SeaTac download speeds tend to be than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other SeaTac cable providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in SeaTac is up to 35 Mbps, which is available to everyone covered.

Show all upload speeds

XFINITY's SeaTac cable customers can expect the following upload speeds:

  • 100.0% up to 35.0 Mbps

 

 

 

Centurylink DSL in SeaTac, WA

Centurylink DSL coverage

About 93.04%, or 25,035 people, have Centurylink DSL internet available to them in the city. The company covers the entire SeaTac area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in most of SeaTac.

 

Centurylink DSL download speeds

Centurylink is below average when comparing download speeds to all other internet providers in SeaTac. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 16 different maximum speeds throughout SeaTac. The fastest plan anyone in SeaTac can order from Centurylink goes up to 140 Mbps, the slowest package only goes up to 0.50 Mbps, and the city-wide average maximum speed for SeaTac customers is up to 81 Mbps.

Show all download speeds

The following maximum speeds are marketed to Centurylink customers in SeaTac. Cheaper plans with slower speeds may be available.

  • 13.2% up to 140.0 Mbps
  • 1.3% up to 120.0 Mbps
  • 37.3% up to 100.0 Mbps
  • 17.2% up to 80.0 Mbps
  • 10.5% up to 60.0 Mbps
  • 4.1% up to 40.0 Mbps
  • 2.2% up to 30.0 Mbps
  • 1.3% up to 20.0 Mbps
  • 1.9% up to 15.0 Mbps
  • 0.2% up to 12.0 Mbps
  • 1.0% up to 10.0 Mbps
  • 4.0% up to 7.0 Mbps
  • 0.1% up to 5.0 Mbps
  • 2.4% up to 3.0 Mbps
  • 2.9% up to 1.5 Mbps
  • 0.4% up to 0.5 Mbps

 

Centurylink DSL upload speeds

In SeaTac download speeds tend to be than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is below average where upload speeds are concerned, and the fastest compared to other SeaTac DSL providers. Centurylink offers 14 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood. The fastest upload speed available to anyone from this ISP in SeaTac is up to 40 Mbps. Some customers have slower plan choices, which only go up to 0.25 Mbps. On average, Centurylink customers can get speeds up to 10 Mbps.

Show all upload speeds

Centurylink's SeaTac DSL customers can expect the following upload speeds:

  • 2.3% up to 40.0 Mbps
  • 16.8% up to 20.0 Mbps
  • 49.9% up to 10.0 Mbps
  • 11.8% up to 5.0 Mbps
  • 2.7% up to 3.0 Mbps
  • 3.3% up to 1.5 Mbps
  • 1.1% up to 1.0 Mbps
  • 1.0% up to 0.9 Mbps
  • 0.0% up to 0.8 Mbps
  • 1.9% up to 0.8 Mbps
  • 0.2% up to 0.6 Mbps
  • 4.2% up to 0.5 Mbps
  • 4.4% up to 0.5 Mbps
  • 0.4% up to 0.3 Mbps

 

 

 

Centurylink Fiber in SeaTac, WA

Centurylink fiber coverage

About 83.62%, or 22,502 people, have Centurylink fiber internet available to them in the city. The company covers the entire SeaTac area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in much of SeaTac.

 

Centurylink fiber download speeds

Centurylink is above average when comparing download speeds to all other internet providers in SeaTac. Versus other fiber providers in the area, Centurylink fiber is the fastest. There are 8 different maximum speeds throughout SeaTac. The fastest plan anyone in SeaTac can order from Centurylink goes up to 940 Mbps, the slowest package only goes up to 15 Mbps, and the city-wide average maximum speed for SeaTac customers is up to 892 Mbps.

Show all download speeds

The following maximum speeds are marketed to Centurylink customers in SeaTac. Cheaper plans with slower speeds may be available.

  • 94.5% up to 940.0 Mbps
  • 0.7% up to 150.0 Mbps
  • 1.8% up to 100.0 Mbps
  • 0.2% up to 80.0 Mbps
  • 1.3% up to 40.0 Mbps
  • 1.3% up to 30.0 Mbps
  • 0.2% up to 20.0 Mbps
  • 0.0% up to 15.0 Mbps

 

Centurylink fiber upload speeds

In SeaTac download speeds tend to be than upload speeds for Centurylink fiber. Compared to other ISPs, Centurylink is the fastest where upload speeds are concerned, and the fastest compared to other SeaTac fiber providers. Centurylink offers 9 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood. The fastest upload speed available to anyone from this ISP in SeaTac is up to 940 Mbps. Some customers have slower plan choices, which only go up to 0.77 Mbps. On average, Centurylink customers can get speeds up to 890 Mbps.

Show all upload speeds

Centurylink's SeaTac fiber customers can expect the following upload speeds:

  • 94.5% up to 940.0 Mbps
  • 0.4% up to 100.0 Mbps
  • 1.4% up to 50.0 Mbps
  • 1.3% up to 20.0 Mbps
  • 0.2% up to 10.0 Mbps
  • 0.6% up to 5.0 Mbps
  • 1.3% up to 1.5 Mbps
  • 0.2% up to 0.9 Mbps
  • 0.0% up to 0.8 Mbps

 

 

 

Astound Broadband powered by Wave Broadband Cable in SeaTac, WA

Astound Broadband cable coverage

About 1.19%, or 319 people, have Astound Broadband cable internet available to them in the city. The company covers the northwest SeaTac area. Astound Broadband is a large internet service provider internet service providers in the US, with internet service available in a very small piece of SeaTac.

 

Astound Broadband powered by Wave Broadband cable download speeds

Astound Broadband is below average when comparing download speeds to all other internet providers in SeaTac. Versus other cable providers in the area, Astound Broadband cable is the slowest. There are no different maximum speeds throughout SeaTac. The fastest plan anyone in SeaTac can order from Astound Broadband goes up to 250 Mbps, and all SeaTac customers can get this speed.

Show all download speeds

The following maximum speeds are marketed to Astound Broadband powered by Wave Broadband customers in SeaTac. Cheaper plans with slower speeds may be available.

  • 100.0% up to 250.0 Mbps

 

Astound Broadband powered by Wave Broadband cable upload speeds

In SeaTac download speeds tend to be than upload speeds for Astound Broadband cable. Compared to other ISPs, Astound Broadband is below average where upload speeds are concerned, and the slowest compared to other SeaTac cable providers. Astound Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in SeaTac is up to 20 Mbps, which is available to everyone covered.

Show all upload speeds

Astound Broadband's SeaTac cable customers can expect the following upload speeds:

  • 100.0% up to 20.0 Mbps

 

 

 

T-Mobile Home Internet in SeaTac, WA

T-Mobile Home Internet fixed wireless coverage

About 43.00%, or 11,572 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire SeaTac area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in some of SeaTac.

 

T-Mobile Home Internet fixed wireless download speeds

T-Mobile Home Internet is the slowest when comparing download speeds to all other internet providers in SeaTac. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the fastest. There are no different maximum speeds throughout SeaTac. The fastest plan anyone in SeaTac can order from T-Mobile Home Internet goes up to 25 Mbps, and all SeaTac customers can get this speed.

Show all download speeds

The following maximum speeds are marketed to T-Mobile Home Internet customers in SeaTac. Cheaper plans with slower speeds may be available.

  • 100.0% up to 25.0 Mbps

 

T-Mobile Home Internet fixed wireless upload speeds

In SeaTac download speeds tend to be than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is the slowest where upload speeds are concerned, and the fastest compared to other SeaTac fixed wireless providers. T-Mobile Home Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in SeaTac is up to 3.0 Mbps, which is available to everyone covered.

Show all upload speeds

T-Mobile Home Internet's SeaTac fixed wireless customers can expect the following upload speeds:

  • 100.0% up to 3.0 Mbps

 

 

 

 

SeaTac Internet by Area

This information is most helpful to those looking for homes or considering moving to SeaTac or any of the areas nearby.

How does internet in SeaTac compare to the rest of Washington?

Internet speeds in SeaTac are comparable versus the average speeds in Washington: 921 Mbps in Washington versus 992 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Washington is 99.71% versus 99.96% in SeaTac.

What zip codes have widespread internet?

Internet coverage varies by zip code and neighborhood. Some examples in or around SeaTac are shown below. You can enter any zip code here to see TV and internet providers by zip code.

Zip Code
Internet Coverage
99.88%
99.82%
99.56%
99.90%
99.97%
Zip Code
Internet Coverage
99.76%
98.93%
99.73%
99.97%
0.00%

What does internet service look like in other cities?

Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.

Nearby Cities

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