7 Best Internet Providers in SeaTac, WA
Find internet availability by address in SeaTac, WA
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | SeaTac ISP Report Card | Business Internet in SeaTac
| SeaTac ISP Report Card | B | |
| Download Speed for Most Households | 1,786 Mbps | |
| Number of Internet Service Providers | 7 | |
| Real SeaTac Customer Ratings | 1 |
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
SeaTac has 7 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Cable, Fiber, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in SeaTac.
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SeaTac has 7 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Cable, Fiber, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in SeaTac.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
XFINITY
Connection
Customer Rating
Fiber
Cable
Centurylink
Connection
Customer Rating
Fiber
DSL
Quantum Fiber
Connection
Customer Rating
Fiber
EarthLink
Connection
Customer Rating
Fixed Wireless
Above are the top 4 providers in SeaTac, WA for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your city.
Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local SeaTac ratings may vary and are shown below.
Who is the Best Internet Provider in SeaTac, WA?
Quantum Fiber is the best internet provider in SeaTac based on Washington customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, Quantum Fiber had the best reviews at the local, state, and national levels versus all available providers in SeaTac, making it a solid recommendation among providers with reviews. Quantum Fiber is an option for 64.65% of the city.
Click here to get Quantum Fiber
or call 1-833-875-1349
The chart and table below show average customer ratings from customers in SeaTac, Washington, and customers throughout the country.
Top Rated Internet Providers in SeaTac
Local, State, and National Ratings for all SeaTac Internet Providers
| ISP / Tech Type | SeaTac Overall | Washington Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| Centurylink | (1) | (23) | (163) | View Plans | ||
| Quantum Fiber | (0) | (2) | (42) | View Plans | ||
| AT&T | (0) | (1) | (924) | View Plans | ||
| T-Mobile Home Internet | (0) | (10) | (284) | View Plans | ||
| Verizon | (0) | (7) | (723) | View Plans | ||
| XFINITY | (0) | (128) | (2164) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans |
Based on 172 reviews from Washington internet customers, Quantum Fiber is the best internet service provider for SeaTac residents. Quantum Fiber was rated at an average of 4.50 out of 5 in our report for overall customer satisfaction. AT&T wins for second-place in Washington, with 4.00 out of 5 stars and 97.6% coverage in SeaTac.
At a national level, based on 4341 national reviews for any of the providers listed above, T-Mobile Home Internet is rated higher than any other provider, with a rating of 4.04 out of 5.
Which Providers are Available at my Home in SeaTac?
a different provider.

Internet Availability Key
Speeds and coverage vary within the city, and sometimes even from block to block. The map shows speeds per provider and where each provider is available.
Who is the Fastest Internet Provider in SeaTac?
Based on both FCC data and unbiased customer ratings in SeaTac, the fastest internet in the city comes from Quantum Fiber.
Data Reported to FCC by ISPs: Average Maximum Available in SeaTac
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| Quantum Fiber | 8,000 Mbps | ||
| XFINITY from Comcast | 2,000 Mbps | ||
| Centurylink | 1,000 Mbps | ||
| Verizon | 1,000 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| AT&T | 100 Mbps | ||
| EarthLink | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| HughesNet | 25 Mbps |
Customer Ratings for Internet Provider Speeds in SeaTac
| ISP / Tech Type | SeaTac Speed | Washington Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| Centurylink | (1) | (23) | (163) | View Plans | ||
| Quantum Fiber | (0) | (2) | (42) | View Plans | ||
| Verizon | (0) | (7) | (723) | View Plans | ||
| AT&T | (0) | (1) | (924) | View Plans | ||
| T-Mobile Home Internet | (0) | (10) | (284) | View Plans | ||
| XFINITY | (0) | (128) | (2164) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans |
Based on data reported by SeaTac ISPs to the FCC, the fastest speeds in the city are available through Quantum Fiber. The company offers speeds up to 8,000 Mbps in SeaTac. Therefore, the average customer can get up to 1,825 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
However, actual customers in the city rated their satisfaction with internet speed highest with Quantum Fiber. This indicates Quantum Fiber reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in SeaTac?
Washington customers rate T-Mobile Home Internet as the cheapest internet service provider in state. Data comes from customers in the state rating their satisfaction with pricing. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
T-Mobile Home Internet received a local rating of 4.00 out of 5, which is lower than the average across all internet providers in the country. Quantum Fiber is rated in second place for affordability by the company’s SeaTac customers with an average price rating of 4.00 out of 5.
The chart and graph below show how customers in SeaTac, Washington, and the United States rated the affordability of their internet service.
Rated Affordability in SeaTac
| ISP / Tech Type | SeaTac Affordability | Washington Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| Centurylink | (1) | (23) | (163) | View Plans | ||
| Quantum Fiber | (0) | (2) | (42) | View Plans | ||
| T-Mobile Home Internet | (0) | (10) | (284) | View Plans | ||
| Verizon | (0) | (7) | (723) | View Plans | ||
| XFINITY | (0) | (128) | (2164) | View Plans | ||
| AT&T | (0) | (1) | (924) | View Plans | ||
| HughesNet | (0) | (1) | (18) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Viasat | (0) | (0) | (11) | View Plans |
SeaTac Internet Health Assessment
ISP Reports evaluates the technological infrastructure across the United States. This includes assessing a grade for ISP providers and infrastructure in the city and setting an index number for the digital connectivity of its residents. You can view the ISP Report Card and the Digital Connectivity Index for SeaTac below, including the metrics used and how SeaTac compares to the rest of Washington and nation.
| Metric
(hover for details)
|
SeaTac | Washington | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in SeaTac that have a Fiber internet connection available to their home. | 64.65% | 51.43% | 67.25% | ||
| Average Download SpeedThe maximum download speed most households can get on average. This is measured by availability in a block group and weighted by the population in that area. | 1,786 Mbps | 2,720 Mbps | 3,293 Mbps | ||
| Provider CountThe number of providers available for most people. This is a weighted average by block rather than a total for SeaTac. | 6.7 | 6.5 | 6.8 |
| Average Household SizeA larger household size in a city indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 2.7 | 2.6 | 2.7 | ||
| Work From Home PercentA higher percent of the population working from home indicates bandwidth requirements being more widely needed rather than consolidated to commercial portions of the city. | 13% | 17% | 14% | ||
| Households with DevicesA higher percentage of households with computing devices in the home indicates a higher level of infrastructure needed to support those households. | 97% | 97% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 93% | 93% | 90% | ||
| Households with BroadbandA higher percentage of households with a broadband connection (defined as speeds above 25 Mbps) indicates heavier usage needs within these households. | 75% | 80% | 75% | ||
| Broadband Usage vs. AvailabilityThis measures what percentage of households who have a broadband connection to their home actually have an active subscription to that service. | 75% | 81% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
SeaTac ISP Report Card & Digital Connectivity Index
The ISP Report Card in SeaTac is B, which is better than other cities. The local demand for broadband internet connectivity in SeaTac is high with a score of 73 / 100 in our Digital Connectivity Index. This means that internet service providers operating in SeaTac have done a good job meeting the needs of its residents.
The SeaTac ISP Report Card evaluates the city on availability and speed metrics compared to other cities in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a city needs. Please see our ISP Report Card along with the Digital Connectivity Index above to evaluate how well the connectivity demand is met by the existing infrastructure.
93% of SeaTac households have an internet connection despite having 99.96% availability. 75% of households have fiber, cable, or DSL, 5% have satellite, 0% are still on dial-up, and 1% of households have internet but don’t pay for a subscription because it’s subsidized by the Affordable Connectivity Program.
As you can see in the table above, while 75% of households have a broadband connection such as fiber, cable or DSL available to their home, 75% subscribe to it. A large amount of SeaTac residents are taking advantage of the available internet infrastructure.
For more details, please visit our ISP Report Card and Digital Connectivity Index pages.
How do Neighboring Cities Compare to SeaTac?
- ISP Report Card: B-
- Digital Connectivity Index: 74 / 100
- ISP Report Card: B
- Digital Connectivity Index: 84 / 100
- ISP Report Card: B
- Digital Connectivity Index: 77 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 75 / 100
- ISP Report Card: B
- Digital Connectivity Index: 77 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 79 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 81 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 82 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 89 / 100
How Much Speed does a SeaTac Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in SeaTac is 2.7, which is larger than the Washington average of 2.6 and larger than the national average of 2.7. SeaTac's average household income is $79,565 which is lower than the Washington average of $106,027 and higher than the national average of $90,606. Homes with more people living in them and with higher incomes tend to indicate more devices being used more often.
SeaTac also has 15% of its population enrolled in school between the 6th grade and college level, this is higher than the Washington average of 15%. Additionally, 13% of residents work from home, which is lower than the 17% of residents in Washington who work from home. This and other factors you can see above show us that the community of SeaTac has a very high need for internet connectivity and speeds.
Compared to the rest of the country, SeaTac households are much more technology-engaged. 97% of households have some sort of computing device, 79% have desktops or laptops in the home, and 94% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in SeaTac?
Quantum Fiber in SeaTac, WA
Quantum Fiber offers Fiber service to 64.7% of SeaTac homes. Across the city, Quantum Fiber is the only type of service available from the company, with speeds up to 1,825 Mbps, with speeds from 940 Mpbs up to 8,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 940 and as high as 8,000, with an average of 1,007 Mbps throughout the city.
Centurylink Fiber in SeaTac, WA
Centurylink offers Fiber service to 48.5% of SeaTac homes. Across the city, Centurylink Fiber has speeds up to 930 Mbps, with speeds from 40 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 5.0 and as high as 1,000, with an average of 883 Mbps throughout the city. Centurylink Fiber is rated higher than other types of internet service available in SeaTac from Centurylink in terms of customer satisfaction.
XFINITY Fiber in SeaTac, WA
XFINITY from Comcast offers Fiber service to 4.0% of SeaTac homes. Across the city, XFINITY Fiber has speeds up to 1,200 Mbps
Which Cable Internet Providers are Available in SeaTac?
XFINITY Cable in SeaTac, WA
XFINITY from Comcast offers Cable service to 100.0% of SeaTac homes. Across the city, XFINITY Cable has speeds up to 1,635 Mbps, with speeds from 1,200 Mpbs up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 35 and as high as 2,000, with an average of 172 Mbps throughout the city. XFINITY Cable is rated about the same as other types of internet service available in SeaTac from XFINITY in terms of customer satisfaction.
Which DSL Internet Providers are Available in SeaTac?
Centurylink DSL in SeaTac, WA
Centurylink offers DSL service to 77.0% of SeaTac homes. Across the city, Centurylink DSL has speeds up to 87 Mbps, with speeds from 10 Mpbs up to 140 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 40, with an average of 12 Mbps throughout the city. Centurylink DSL is rated lower than other types of internet service available in SeaTac from Centurylink in terms of customer satisfaction.
Which Fixed Wireless and LTE Internet Providers are Available in SeaTac?
EarthLink Fixed Wireless in SeaTac, WA
EarthLink offers Fixed Wireless service to 97.6% of SeaTac homes. Across the city, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 59 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 11 Mbps throughout the city.
AT&T Fixed Wireless in SeaTac, WA
AT&T offers Fixed Wireless service to 97.6% of SeaTac homes. Across the city, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 59 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 11 Mbps throughout the city.
T-Mobile Home Internet Fixed Wireless in SeaTac, WA
T-Mobile Home Internet offers Fixed Wireless service to 96.9% of SeaTac homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 84 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 16 Mbps throughout the city.
Verizon Fixed Wireless in SeaTac, WA
Verizon offers Fixed Wireless service to 85.8% of SeaTac homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 431 Mbps, with speeds from 300 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 20 and as high as 75, with an average of 30 Mbps throughout the city.
Which ISP Should You Choose in SeaTac?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The best all-around internet service provider in SeaTac is Quantum Fiber.
- The fastest internet provider should be Quantum Fiber. Considering speed for the money and reliability in speeds, Quantum Fiber may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in SeaTac is T-Mobile Home Internet.
- Viasat, XFINITY from Comcast, and HughesNet has the broadest coverage in SeaTac, and is most likely to cover your home. To find out exactly what's available at your home, please use our address search tool.
How does SeaTac compare to other cities with a similar population?
To see how SeaTac stacks up on the national level, it's useful to look at some other cities with similarly sized populations. Below you can see a list of these cities and how they compare to SeaTac's B ISP Report Card and 73 / 100 Digital Connectivity Index.
- ISP Report Card: B+
- Digital Connectivity Index: 71 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 87 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 65 / 100
- ISP Report Card: B
- Digital Connectivity Index: 85 / 100
- ISP Report Card: B
- Digital Connectivity Index: 54 / 100
- ISP Report Card: B+
- Digital Connectivity Index: 89 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 44 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 40 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 68 / 100
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