In SeaTac there are 9 residential internet providers covering 99.96% of the city. The average home can get speeds up to 1,996 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.
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9 Internet Service Providers in SeaTac
Satellite TV and internet are available everywhere in SeaTac.
No internet provider of this type serves SeaTac.
This page reflects the most recent FCC update from September 03, 2026, based on the Broadband Data Collection as of December 31, 2025.
To avoid wasting your time, providers with less than 1% coverage in SeaTac are not shown.
SeaTac Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Availability maps for all providers in SeaTac
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
Please note some providers will take longer to load than others
Internet service is available in 99.96% of SeaTac. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you’re looking at, you can opt for satellite service. The most widely available provider is XFINITY. Now you can call companies in SeaTac with more confidence that they might be available.
How fast are internet speeds in SeaTac?
The map below shows maximum internet speeds by area in SeaTac.
1000 Mbps+
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The average SeaTac home can get up to 1,996 Mbps on their internet plan. For most people, the fastest download speed in the city is 8,000 Mbps, which less than 1% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 4.69% of homes can only purchase plans up to 1,200 Mbps. See the internet provider details below for info about their speed and coverage in SeaTac.
Internet speeds tend to be faster in the south parts of SeaTac, and slower in the east 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, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 57.04% of SeaTac homes.
- Cable is fastest for 42.92% 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
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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: 6.7 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.4 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 6.6 (very healthy)
Overall, competition is very healthy.
SeaTac internet customers have the ability to buy internet service from 1 to 9 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, fixed wireless, dsl, and fiber, 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 1 and 8 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 99.96%, or 33,581 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 above average 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 2 different maximum speeds throughout SeaTac. The fastest plan anyone in SeaTac can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the city-wide average maximum speed for SeaTac customers is up to 1,902 Mbps.
Show all download speeds
- 87.7% up to 2,000.0 Mbps
- 12.3% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In SeaTac download speeds tend to be faster than 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 2 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 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 224 Mbps.
Show all upload speeds
- 87.7% up to 250.0 Mbps
- 12.3% up to 35.0 Mbps
Centurylink DSL in SeaTac, WA
Centurylink DSL coverage
About 76.13%, or 25,573 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 much 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 7 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 10 Mbps, and the city-wide average maximum speed for SeaTac customers is up to 87 Mbps.
Show all download speeds
- 11.8% up to 140.0 Mbps
- 0.3% up to 120.0 Mbps
- 43.4% up to 100.0 Mbps
- 23.2% up to 80.0 Mbps
- 10.4% up to 60.0 Mbps
- 4.5% up to 40.0 Mbps
- 6.5% up to 10.0 Mbps
Centurylink DSL upload speeds
In SeaTac download speeds tend to be faster than 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 7 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 100 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 16 Mbps.
Show all upload speeds
- 4.2% up to 100.0 Mbps
- 9.3% up to 40.0 Mbps
- 11.8% up to 20.0 Mbps
- 53.2% up to 10.0 Mbps
- 10.4% up to 5.0 Mbps
- 4.5% up to 3.0 Mbps
- 6.5% up to 1.0 Mbps
Quantum Fiber Fiber in SeaTac, WA
Quantum Fiber fiber coverage
About 65.35%, or 21,952 people, have Quantum Fiber fiber internet available to them in the city. The company covers the north, east, northwest, northeast, south, southeast, central, and southwest SeaTac area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in much of SeaTac.
Quantum Fiber fiber download speeds
Quantum Fiber is above average when comparing download speeds to all other internet providers in SeaTac. Versus other fiber providers in the area, Quantum Fiber fiber is above average. There are 5 different maximum speeds throughout SeaTac. The fastest plan anyone in SeaTac can order from Quantum Fiber goes up to 8,000 Mbps, the slowest package only goes up to 940 Mbps, and the city-wide average maximum speed for SeaTac customers is up to 1,858 Mbps.
Show all download speeds
- 0.7% up to 8,000.0 Mbps
- 1.3% up to 3,000.0 Mbps
- 79.4% up to 2,000.0 Mbps
- 6.3% up to 1,000.0 Mbps
- 12.3% up to 940.0 Mbps
Quantum Fiber fiber upload speeds
In SeaTac download speeds tend to be faster than than upload speeds for Quantum Fiber fiber. Compared to other ISPs, Quantum Fiber is above average where upload speeds are concerned, and below average compared to other SeaTac fiber providers. Quantum Fiber offers 4 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 8,000 Mbps. Some customers have slower plan choices, which only go up to 940 Mbps. On average, Quantum Fiber customers can get speeds up to 1,064 Mbps.
Show all upload speeds
- 0.7% up to 8,000.0 Mbps
- 1.3% up to 3,000.0 Mbps
- 85.8% up to 1,000.0 Mbps
- 12.3% up to 940.0 Mbps
Centurylink Fiber in SeaTac, WA
Centurylink fiber coverage
About 43.88%, or 14,739 people, have Centurylink fiber internet available to them in the city. The company covers the north, northwest, southeast, northeast, east, south, southwest, and central SeaTac area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in some 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 slowest. There are 5 different maximum speeds throughout SeaTac. The fastest plan anyone in SeaTac can order from Centurylink goes up to 1,000 Mbps, the slowest package only goes up to 40 Mbps, and the city-wide average maximum speed for SeaTac customers is up to 925 Mbps.
Show all download speeds
- 55.6% up to 1,000.0 Mbps
- 38.9% up to 940.0 Mbps
- 0.3% up to 100.0 Mbps
- 1.1% up to 80.0 Mbps
- 4.1% up to 40.0 Mbps
Centurylink fiber upload speeds
In SeaTac download speeds tend to be faster than than upload speeds for Centurylink fiber. Compared to other ISPs, Centurylink is above average where upload speeds are concerned, and the slowest compared to other SeaTac fiber providers. Centurylink offers 6 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 1,000 Mbps. Some customers have slower plan choices, which only go up to 10 Mbps. On average, Centurylink customers can get speeds up to 889 Mbps.
Show all upload speeds
- 55.6% up to 1,000.0 Mbps
- 34.3% up to 940.0 Mbps
- 4.6% up to 200.0 Mbps
- 0.3% up to 100.0 Mbps
- 4.1% up to 20.0 Mbps
- 1.1% up to 10.0 Mbps
XFINITY from Comcast Fiber in SeaTac, WA
XFINITY fiber coverage
About 3.99%, or 1,342 people, have XFINITY fiber internet available to them in the city. The company covers the southeast, north, and south SeaTac area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of SeaTac.
XFINITY from Comcast fiber download speeds
XFINITY is the fastest when comparing download speeds to all other internet providers in SeaTac. Versus other fiber providers in the area, XFINITY fiber is the fastest. There are no different maximum speeds throughout SeaTac. The fastest plan anyone in SeaTac can order from XFINITY goes up to 2,000 Mbps, and all SeaTac customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In SeaTac download speeds tend to be equal to than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is the fastest where upload speeds are concerned, and the fastest compared to other SeaTac fiber 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 2,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,000.0 Mbps
T-Mobile Home Internet Fixed Wireless in SeaTac, WA
T-Mobile Home Internet fixed wireless coverage
About 96.88%, or 32,545 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 most of SeaTac.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average 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 below average. There are 2 different maximum speeds throughout SeaTac. The fastest plan anyone in SeaTac can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for SeaTac customers is up to 90 Mbps.
Show all download speeds
- 86.5% up to 100.0 Mbps
- 13.5% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In SeaTac download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and average compared to other SeaTac fixed wireless providers. T-Mobile Home Internet offers 2 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 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 18 Mbps.
Show all upload speeds
- 86.5% up to 20.0 Mbps
- 13.5% up to 3.0 Mbps
EarthLink Fixed Wireless in SeaTac, WA
EarthLink fixed wireless coverage
About 93.16%, or 31,296 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire SeaTac area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of SeaTac.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in SeaTac. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout SeaTac. The fastest plan anyone in SeaTac can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for SeaTac customers is up to 63 Mbps.
Show all download speeds
- 50.3% up to 100.0 Mbps
- 49.7% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In SeaTac download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other SeaTac fixed wireless providers. EarthLink offers 2 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 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 12 Mbps.
Show all upload speeds
- 50.3% up to 20.0 Mbps
- 49.7% up to 3.0 Mbps
AT&T Fixed Wireless in SeaTac, WA
AT&T fixed wireless coverage
About 93.16%, or 31,296 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire SeaTac area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of SeaTac.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in SeaTac. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout SeaTac. The fastest plan anyone in SeaTac can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for SeaTac customers is up to 63 Mbps.
Show all download speeds
- 50.3% up to 100.0 Mbps
- 49.7% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In SeaTac download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other SeaTac fixed wireless providers. AT&T offers 2 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 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 12 Mbps.
Show all upload speeds
- 50.3% up to 20.0 Mbps
- 49.7% up to 3.0 Mbps
Verizon Fixed Wireless in SeaTac, WA
Verizon fixed wireless coverage
About 92.97%, or 31,231 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire SeaTac area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of SeaTac.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in SeaTac. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are 3 different maximum speeds throughout SeaTac. The fastest plan anyone in SeaTac can order from Verizon goes up to 1,000 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for SeaTac customers is up to 382 Mbps.
Show all download speeds
- 17.2% up to 1,000.0 Mbps
- 68.7% up to 300.0 Mbps
- 14.1% up to 25.0 Mbps
Verizon fixed wireless upload speeds
In SeaTac download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and the fastest compared to other SeaTac fixed wireless providers. Verizon offers 3 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 75 Mbps. Some customers have slower plan choices, which only go up to 6.0 Mbps. On average, Verizon customers can get speeds up to 27 Mbps.
Show all upload speeds
- 17.2% up to 75.0 Mbps
- 68.7% up to 20.0 Mbps
- 14.1% up to 6.0 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 slower versus the average speeds in Washington: 2,784 Mbps in Washington versus 1,996 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Washington is 98.80% 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.
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
- Tukwila, WA: less internet coverage, slower speeds
- Normandy Park, WA: more internet coverage, faster speeds
- Burien, WA: more internet coverage, slower speeds
- Des Moines, WA: less internet coverage, faster speeds
- Bryn Mawr-Skyway, WA: more internet coverage, faster speeds
- Boulevard Park, WA: more internet coverage, faster speeds
- White Center, WA: more internet coverage, faster speeds
- Kent, WA: less internet coverage, faster speeds
- East Hill-Meridian, WA: less internet coverage, slower speeds
- Renton, WA: less internet coverage, faster speeds
Cities with Similar Populations
- Union City, GA: less internet coverage, faster speeds
- Eagle, ID: less internet coverage, slower speeds
- Eastpointe, MI: more internet coverage, faster speeds
- Fair Oaks, VA: less internet coverage, faster speeds
- Foley, AL: less internet coverage, faster speeds
- Foster City, CA: less internet coverage, faster speeds
- Granite City, IL: less internet coverage, slower speeds
- Greeneville, TN: less internet coverage, faster speeds
- Inman, SC: less internet coverage, faster speeds
- Leavenworth, KS: less internet coverage, faster speeds