Quantum Fiber is available in SeaTac. Get speeds up to 8 Gig • Sponsored Quantum Fiber is available in SeaTac. Get speeds up to 8 Gig. Check availability on Quantum Fiber's Website ↗ • Sponsored
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SeaTac has 12 internet options – View all▼
SeaTac has multiple fiber providers, including Quantum Fiber and CenturyLink. Symmetric speeds of 8,000 Mbps are available in parts of SeaTac.
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Quantum Fiber | 8,000 | 8,000 | 93% |
| Xfinity | 2,000 | 2,000 | 16% |
| CenturyLink | 1,000 | 1,000 | 82% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Xfinity | 2,000 | 2,000 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| CenturyLink | 140 | 100 | 95% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Verizon | 1,000 | 75 | 99% |
| T-Mobile | 100 | 20 | 100% |
| AT&T | 100 | 20 | 98% |
| MINTernet | 100 | 20 | 97% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Starlink | 280 | 30 | 100% |
| Provider | DownDownload (Mbps) | UpUpload (Mbps) | AvailabilityCoverage |
|---|---|---|---|
| Viasat | 100 | 3 | 100% |
| HughesNet | 50 | 5 | 100% |
Broadband Map's availability estimates are based on the census boundaries of SeaTac. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Broadband Map's listings of internet providers in SeaTac rely primarily on the May 2026 release from the FCC's Broadband Data Collection program (representing SeaTac ISPs' availability as of December 2025).