# Who flies Denver → Salt Lake City nonstop?

**4 airlines fly Denver → Salt Lake City nonstop: Delta Air Lines, Frontier Airlines, Southwest Airlines and United Airlines.**

| Airline | Routes | Book direct |
|---|---|---|
| Delta Air Lines | Denver (DEN) → Salt Lake City (SLC) | https://www.delta.com/ |
| Frontier Airlines | Denver (DEN) → Salt Lake City (SLC) | https://www.flyfrontier.com/ |
| Southwest Airlines | Denver (DEN) → Salt Lake City (SLC) | https://www.southwest.com/ |
| United Airlines | Denver (DEN) → Salt Lake City (SLC) | https://www.united.com |

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Compare fares for DEN-SLC: [Trip.com](https://www.trip.com/flights/denver-to-salt-lake-city/tickets-DEN-SLC/?allianceid=1094387&sid=2209817&trip_sub1=c4c6f3cbcbb845d69061b1005-713359) · [Aviasales](https://www.aviasales.com/search/DEN1711SLC1?marker=713359). Affiliate links (Trip.com, Aviasales): picktheflight may earn a commission. It never changes the price or which airlines are listed.

On picktheflight: https://picktheflight.com/?from=DEN&to=SLC · JSON: https://picktheflight.com/intents/DEN/SLC

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Data built 2026-10-26 from airline schedule tables on Wikipedia ("Airlines and destinations"), matched by exact airport article; airline booking sites from Wikidata. Schedules change. Confirm the flight on the airline's own site before booking.