Denver (DEN) to San Francisco (SFO), Dec 4–6, 2026: from $85 one way

Denver (DEN) to San Francisco (SFO), Dec 4–6, 2026: from $85 one way on Axel, checked Oct 29, 2026. Lowest published fare: $85 one way, Axel-exclusive, Frontier Airlines, nonstop, Dec 4, 2026, 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Route overview: Denver to San Francisco (SFO) flight deals

2026-12-04 · one way · Axel-exclusive $85.00

• Frontier Airlines F93439: DEN 2026-12-04 22:57:00 → SFO 2026-12-05 00:48:00; nonstop; 171 minutes. Local airport times.

2026-12-06 · one way · Axel-exclusive $140.00

• Southwest Airlines WN2844: DEN 2026-12-06 22:45:00 → SFO 2026-12-07 00:35:00; nonstop; 170 minutes. Local airport times.

2026-12-05 · one way · Axel-exclusive $155.00

• United Airlines UA1887: DEN 2026-12-05 09:35:00 → SFO 2026-12-05 11:25:00; nonstop; 170 minutes. Local airport times.

2026-12-05 · one way · Axel-exclusive $165.00

• Alaska Airlines AS1342 / AS1435: DEN 2026-12-05 13:54:00 → SFO 2026-12-05 18:06:00; 1 stop(s) via SAN; 312 minutes. Local airport times.
  • AS1342: DEN 2026-12-05 13:54:00 → SAN 2026-12-05 15:25:00; layover at SAN: 60 minutes.
  • AS1435: SAN 2026-12-05 16:25:00 → SFO 2026-12-05 18:06:00.

2026-12-06 · one way · Axel-exclusive $180.00

• Delta Air Lines DL1553 / DL1088: DEN 2026-12-06 12:29:00 → SFO 2026-12-06 16:14:00; 1 stop(s) via SLC; 285 minutes. Local airport times.
  • DL1553: DEN 2026-12-06 12:29:00 → SLC 2026-12-06 14:06:00; layover at SLC: 64 minutes.
  • DL1088: SLC 2026-12-06 15:10:00 → SFO 2026-12-06 16:14:00.

2026-12-05 · one way · Axel-exclusive $85.00

• Frontier Airlines F91093: DEN 2026-12-05 17:35:00 → SFO 2026-12-05 19:31:00; nonstop; 176 minutes. Local airport times.

2026-12-06 · one way · Axel-exclusive $85.00

• Frontier Airlines F93439: DEN 2026-12-06 22:57:00 → SFO 2026-12-07 00:50:00; nonstop; 173 minutes. Local airport times.

2026-12-05 · one way · Axel-exclusive $85.00

• Frontier Airlines F91229: DEN 2026-12-05 07:39:00 → SFO 2026-12-05 09:39:00; nonstop; 180 minutes. Local airport times.

2026-12-04 · one way · Axel-exclusive $85.00

• Frontier Airlines F91093: DEN 2026-12-04 17:35:00 → SFO 2026-12-04 19:31:00; nonstop; 176 minutes. Local airport times.

2026-12-06 · one way · Axel-exclusive $85.00

• Frontier Airlines F91093: DEN 2026-12-06 17:35:00 → SFO 2026-12-06 19:31:00; nonstop; 176 minutes. Local airport times.

2026-12-04 · one way · Axel-exclusive $140.00

• Southwest Airlines WN2844: DEN 2026-12-04 21:30:00 → SFO 2026-12-04 23:25:00; nonstop; 175 minutes. Local airport times.

2026-12-05 · one way · Axel-exclusive $140.00

• Southwest Airlines WN264: DEN 2026-12-05 12:35:00 → SFO 2026-12-05 14:20:00; nonstop; 165 minutes. Local airport times.

2026-12-06 · one way · Axel-exclusive $140.00

• Southwest Airlines WN1792: DEN 2026-12-06 12:40:00 → SFO 2026-12-06 14:25:00; nonstop; 165 minutes. Local airport times.

2026-12-04 · one way · Axel-exclusive $140.00

• Southwest Airlines WN1817: DEN 2026-12-04 17:35:00 → SFO 2026-12-04 19:20:00; nonstop; 165 minutes. Local airport times.

2026-12-05 · one way · Axel-exclusive $140.00

• Southwest Airlines WN2844: DEN 2026-12-05 21:00:00 → SFO 2026-12-05 22:55:00; nonstop; 175 minutes. Local airport times.

2026-12-04 · one way · Axel-exclusive $155.00

• United Airlines UA2367: DEN 2026-12-04 05:00:00 → SFO 2026-12-04 06:48:00; nonstop; 168 minutes. Local airport times.

2026-12-06 · one way · Axel-exclusive $155.00

• United Airlines UA1389: DEN 2026-12-06 19:30:00 → SFO 2026-12-06 21:23:00; nonstop; 173 minutes. Local airport times.

2026-12-06 · one way · Axel-exclusive $155.00

• United Airlines UA2367: DEN 2026-12-06 05:12:00 → SFO 2026-12-06 07:02:00; nonstop; 170 minutes. Local airport times.

2026-12-04 · one way · Axel-exclusive $155.00

• United Airlines UA1389: DEN 2026-12-04 19:30:00 → SFO 2026-12-04 21:23:00; nonstop; 173 minutes. Local airport times.

2026-12-05 · one way · Axel-exclusive $155.00

• United Airlines UA2367: DEN 2026-12-05 05:00:00 → SFO 2026-12-05 06:48:00; nonstop; 168 minutes. Local airport times.

2026-12-04 · one way · Axel-exclusive $165.00

• United Airlines UA1415 / UA5323: DEN 2026-12-04 11:16:00 → SFO 2026-12-04 15:29:00; 1 stop(s) via SMF; 313 minutes. Local airport times.
  • UA1415: DEN 2026-12-04 11:16:00 → SMF 2026-12-04 13:01:00; layover at SMF: 74 minutes.
  • UA5323: SMF 2026-12-04 14:15:00 → SFO 2026-12-04 15:29:00.

2026-12-04 · one way · Axel-exclusive $165.00

• United Airlines UA335 / UA5427: DEN 2026-12-04 11:25:00 → SFO 2026-12-04 15:27:00; 1 stop(s) via FAT; 302 minutes. Local airport times.
  • UA335: DEN 2026-12-04 11:25:00 → FAT 2026-12-04 13:01:00; layover at FAT: 74 minutes.
  • UA5427: FAT 2026-12-04 14:15:00 → SFO 2026-12-04 15:27:00.

2026-12-06 · one way · Axel-exclusive $165.00

• United Airlines UA1415 / UA5323: DEN 2026-12-06 11:16:00 → SFO 2026-12-06 15:29:00; 1 stop(s) via SMF; 313 minutes. Local airport times.
  • UA1415: DEN 2026-12-06 11:16:00 → SMF 2026-12-06 13:01:00; layover at SMF: 74 minutes.
  • UA5323: SMF 2026-12-06 14:15:00 → SFO 2026-12-06 15:29:00.

2026-12-06 · one way · Axel-exclusive $165.00

• Alaska Airlines AS1342 / AS1435: DEN 2026-12-06 13:54:00 → SFO 2026-12-06 18:06:00; 1 stop(s) via SAN; 312 minutes. Local airport times.
  • AS1342: DEN 2026-12-06 13:54:00 → SAN 2026-12-06 15:25:00; layover at SAN: 60 minutes.
  • AS1435: SAN 2026-12-06 16:25:00 → SFO 2026-12-06 18:06:00.

2026-12-05 · one way · Axel-exclusive $165.00

• United Airlines UA1204 / UA4758: DEN 2026-12-05 11:22:00 → SFO 2026-12-05 15:21:00; 1 stop(s) via MRY; 299 minutes. Local airport times.
  • UA1204: DEN 2026-12-05 11:22:00 → MRY 2026-12-05 13:03:00; layover at MRY: 82 minutes.
  • UA4758: MRY 2026-12-05 14:25:00 → SFO 2026-12-05 15:21:00.

2026-12-06 · one way · Axel-exclusive $165.00

• United Airlines UA335 / UA5427: DEN 2026-12-06 11:25:00 → SFO 2026-12-06 15:27:00; 1 stop(s) via FAT; 302 minutes. Local airport times.
  • UA335: DEN 2026-12-06 11:25:00 → FAT 2026-12-06 13:01:00; layover at FAT: 74 minutes.
  • UA5427: FAT 2026-12-06 14:15:00 → SFO 2026-12-06 15:27:00.

2026-12-05 · one way · Axel-exclusive $165.00

• United Airlines UA430 / UA1375: DEN 2026-12-05 11:15:00 → SFO 2026-12-05 15:05:00; 1 stop(s) via ONT; 290 minutes. Local airport times.
  • UA430: DEN 2026-12-05 11:15:00 → ONT 2026-12-05 12:33:00; layover at ONT: 62 minutes.
  • UA1375: ONT 2026-12-05 13:35:00 → SFO 2026-12-05 15:05:00.

2026-12-06 · one way · Axel-exclusive $165.00

• United Airlines UA430 / UA1375: DEN 2026-12-06 11:15:00 → SFO 2026-12-06 15:05:00; 1 stop(s) via ONT; 290 minutes. Local airport times.
  • UA430: DEN 2026-12-06 11:15:00 → ONT 2026-12-06 12:33:00; layover at ONT: 62 minutes.
  • UA1375: ONT 2026-12-06 13:35:00 → SFO 2026-12-06 15:05:00.

2026-12-05 · one way · Axel-exclusive $165.00

• United Airlines UA335 / UA5427: DEN 2026-12-05 11:25:00 → SFO 2026-12-05 15:27:00; 1 stop(s) via FAT; 302 minutes. Local airport times.
  • UA335: DEN 2026-12-05 11:25:00 → FAT 2026-12-05 13:01:00; layover at FAT: 74 minutes.
  • UA5427: FAT 2026-12-05 14:15:00 → SFO 2026-12-05 15:27:00.

2026-12-04 · one way · Axel-exclusive $165.00

• United Airlines UA430 / UA1375: DEN 2026-12-04 11:15:00 → SFO 2026-12-04 15:05:00; 1 stop(s) via ONT; 290 minutes. Local airport times.
  • UA430: DEN 2026-12-04 11:15:00 → ONT 2026-12-04 12:33:00; layover at ONT: 62 minutes.
  • UA1375: ONT 2026-12-04 13:35:00 → SFO 2026-12-04 15:05:00.

2026-12-05 · one way · Axel-exclusive $165.00

• United Airlines UA1415 / UA5323: DEN 2026-12-05 11:16:00 → SFO 2026-12-05 15:29:00; 1 stop(s) via SMF; 313 minutes. Local airport times.
  • UA1415: DEN 2026-12-05 11:16:00 → SMF 2026-12-05 13:01:00; layover at SMF: 74 minutes.
  • UA5323: SMF 2026-12-05 14:15:00 → SFO 2026-12-05 15:29:00.

2026-12-06 · one way · Axel-exclusive $165.00

• United Airlines UA1204 / UA4758: DEN 2026-12-06 11:22:00 → SFO 2026-12-06 15:21:00; 1 stop(s) via MRY; 299 minutes. Local airport times.
  • UA1204: DEN 2026-12-06 11:22:00 → MRY 2026-12-06 13:03:00; layover at MRY: 82 minutes.
  • UA4758: MRY 2026-12-06 14:25:00 → SFO 2026-12-06 15:21:00.

2026-12-04 · one way · Axel-exclusive $165.00

• United Airlines UA1204 / UA4758: DEN 2026-12-04 11:22:00 → SFO 2026-12-04 15:21:00; 1 stop(s) via MRY; 299 minutes. Local airport times.
  • UA1204: DEN 2026-12-04 11:22:00 → MRY 2026-12-04 13:03:00; layover at MRY: 82 minutes.
  • UA4758: MRY 2026-12-04 14:25:00 → SFO 2026-12-04 15:21:00.

2026-12-04 · one way · Axel-exclusive $165.00

• Alaska Airlines AS1342 / AS1435: DEN 2026-12-04 13:54:00 → SFO 2026-12-04 18:06:00; 1 stop(s) via SAN; 312 minutes. Local airport times.
  • AS1342: DEN 2026-12-04 13:54:00 → SAN 2026-12-04 15:25:00; layover at SAN: 60 minutes.
  • AS1435: SAN 2026-12-04 16:25:00 → SFO 2026-12-04 18:06:00.

2026-12-05 · one way · Axel-exclusive $180.00

• Delta Air Lines DL1553 / DL1088: DEN 2026-12-05 12:29:00 → SFO 2026-12-05 16:14:00; 1 stop(s) via SLC; 285 minutes. Local airport times.
  • DL1553: DEN 2026-12-05 12:29:00 → SLC 2026-12-05 14:06:00; layover at SLC: 64 minutes.
  • DL1088: SLC 2026-12-05 15:10:00 → SFO 2026-12-05 16:14:00.

2026-12-04 · one way · Axel-exclusive $180.00

• Delta Air Lines DL1553 / DL1088: DEN 2026-12-04 12:29:00 → SFO 2026-12-04 16:14:00; 1 stop(s) via SLC; 285 minutes. Local airport times.
  • DL1553: DEN 2026-12-04 12:29:00 → SLC 2026-12-04 14:06:00; layover at SLC: 64 minutes.
  • DL1088: SLC 2026-12-04 15:10:00 → SFO 2026-12-04 16:14:00.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

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