Direct flights from San Francisco to Denver
115 nonstop flights a week on 4 airlines. Zero layovers — one hop from SFO to DEN.
Flight time: about 2h nonstop
Flying back? Denver → San Francisco · 114 nonstop flights a week
Which days does it fly?
When does it fly?
Departure times in San Francisco local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| United UAL1479 | 5:00a | 2h1m | Daily |
| Southwest SWA3774 | 5:10a | 1h55m | Sun |
| Southwest SWA3774 | 6:00a | 1h57m | Mon, Thu, Fri |
| Frontier FFT1230 | 6:04a | 2h2m | Daily |
| Southwest SWA3774 | 6:15a | 1h58m | Tue, Wed, Sat |
| United UAL2448 | 6:15a | 2h2m | Daily |
| United UAL1469 | 8:45a | 2h2m | Daily |
| Southwest SWA1707 | 9:20a | 1h51m | Sat |
| Southwest SWA4619 | 9:35a | 1h55m | Mon, Thu, Fri |
| Frontier FFT4310 | 9:42a | 2h1m | Sun |
| United UAL1604 | 10:40a | 2h3m | Daily |
| Southwest SWA3776 | 10:55a | 1h56m | Sun |
| Southwest SWA2259 | 11:00a | 2h8m | Tue–Wed |
| United UAL3936 | 11:30a | 1h55m | Sat |
| Southwest SWA3776 | 11:45a | 2h18m | Mon, Thu, Fri |
| Frontier FFT1094 | 11:53a | 1h58m | Mon, Sun |
| Frontier FFT3436 | 11:53a | 1h59m | Tue–Wed |
| Frontier FFT1094 | 12:00p | 1h58m | Thu–Fri |
| Frontier FFT3436 | 12:00p | 1h55m | Sat |
| Southwest SWA3776 | 12:30p | 1h50m | Sat |
| United UAL540 | 12:35p | 2h | Daily |
| Southwest SWA4294 | 1:25p | 2h7m | Tue–Wed |
| Southwest SWA137 | 2:15p | 2h4m | Mon, Thu, Fri |
| Southwest SWA1784 | 2:15p | 2h20m | Sun |
| United UAL1596 | 2:20p | 2h | Daily |
| United UAL1835 | 4:25p | 2h5m | Daily |
| Frontier FFT3440 | 4:34p | 1h58m | Mon |
| United UAL2436 | 6:32p | 2h2m | Daily |
| Frontier FFT3440 | 7:13p | 2h2m | Thu–Fri |
| United UAL2117 | 7:43p | 2h | Daily |
| Delta DAL8848 | 8:45p | 1h51m | Sun |
| Southwest SWA3798 | 8:55p | 2h14m | Sun |
| United UAL301 | 9:13p | 2h1m | Daily |
Delta
Southwest
UnitedOther airports near San Francisco with nonstops to Denver
| Airport | Distance | Flights / wk |
|---|---|---|
| OAK — OaklandAlaska, Southwest | 11 mi | 34 |
| SJC — San JoseSun Country, Southwest, United | 30 mi | 51 |
| STS — Santa RosaSouthwest | 66 mi | 2 |
| SMF — SacramentoFrontier, Southwest, United | 86 mi | 78 |
The route
One hop: SFO → DENDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from San Francisco (SFO) to Denver (DEN)
San Francisco International Airport (SFO) has 115 nonstop flights a week to Denver (DEN), operated by Delta, Frontier, Southwest and United. No layovers, no connections — one hop out of SFO and you're there.
This route flies every day of the week, so any travel day works. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from San Francisco to Denver?
The nonstop flight from San Francisco (SFO) to Denver (DEN) takes about 2h in the air, based on recently observed nonstop departures.
Is there a nonstop return flight from Denver to San Francisco?
Yes — 114 nonstop flights a week from Denver (DEN) back to San Francisco (SFO) on Frontier, Southwest and United, based on recently observed departures.