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Denver → San Francisco

Dec 20, 2026 · return Dec 23, 2026

DEN → SFO1 adulteconomyRound trip

11 flight options · 5 airlines

Nonstop flights

Sun, Dec 20 – Wed, Dec 23

Frontier Airlines
10:29 pmDEN
2h 51m
Nonstop
12:20 am+1SFO
Frontier Airlines
6:02 amSFO
2h 38m
Nonstop
9:40 amDEN

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Wed, Dec 23

Southwest Airlines
8:40 amDEN
2h 50m
Nonstop
10:30 amSFO
Southwest Airlines
5:50 amSFO
2h 30m
Nonstop
9:20 amDEN

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Wed, Dec 23

United Airlines
5:00 amDEN
2h 48m
Nonstop
6:48 amSFO
United Airlines
9:24 pmSFO
2h 35m
Nonstop
12:59 am+1DEN

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Wed, Dec 23

Frontier Airlines
8:35 amDEN
2h 53m
Nonstop
10:28 amSFO
Frontier Airlines
6:02 amSFO
2h 38m
Nonstop
9:40 amDEN

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Wed, Dec 23

United Airlines
3:37 pmDEN
2h 47m
Nonstop
5:24 pmSFO
United Airlines
9:24 pmSFO
2h 35m
Nonstop
12:59 am+1DEN

Round-trip total · 1 adult · Taxes included

One-stop flights

Sun, Dec 20 – Wed, Dec 23

Alaska Airlines
1:54 pmDEN
5h 12m
SAN · 1h
6:06 pmSFO
United Airlines
9:24 pmSFO
2h 35m
Nonstop
12:59 am+1DEN

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Wed, Dec 23

Delta Air Lines
12:29 pmDEN
4h 45m
SLC · 1h 4m
4:14 pmSFO
Delta Air Lines
5:15 pmSFO
4h 54m
SLC · 1h 30m
11:09 pmDEN

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Wed, Dec 23

Southwest Airlines
8:35 amDEN
2h 45m
Nonstop
10:20 amSFO
Southwest Airlines
6:10 amSFO
4h 50m
BUR · 1h 5m
12:00 pmDEN

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Wed, Dec 23

United Airlines
11:25 amDEN
5h 2m
FAT · 1h 14m
3:27 pmSFO
United Airlines
9:24 pmSFO
2h 35m
Nonstop
12:59 am+1DEN

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Wed, Dec 23

United Airlines
11:15 amDEN
4h 50m
ONT · 1h 2m
3:05 pmSFO
United Airlines
9:24 pmSFO
2h 35m
Nonstop
12:59 am+1DEN

Round-trip total · 1 adult · Taxes included

Sun, Dec 20 – Wed, Dec 23

United Airlines
11:22 amDEN
4h 59m
MRY · 1h 22m
3:21 pmSFO
United Airlines
9:24 pmSFO
2h 35m
Nonstop
12:59 am+1DEN

Round-trip total · 1 adult · Taxes included

Make this trip yours

DEN ⇄ SFO

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-20 → 2026-12-23Frontier AirlinesF93439 / F91230$214.502026-10-29T01:05:09Z
2026-12-20 → 2026-12-23Southwest AirlinesWN2104 / WN4578$351.002026-10-29T01:05:09Z
2026-12-20 → 2026-12-23United AirlinesUA2367 / UA301$383.502026-10-29T01:05:09Z
2026-12-20 → 2026-12-23Alaska Airlines / United AirlinesAS1342 + AS1435 / UA301$399.752026-10-29T01:05:09Z
2026-12-20 → 2026-12-23Delta Air LinesDL1553 + DL1088 / DL1088 + DL1667$448.502026-10-29T01:05:09Z
2026-12-20 → 2026-12-23Frontier AirlinesF91229 / F91230$214.502026-10-29T01:05:09Z
2026-12-20 → 2026-12-23United AirlinesUA2633 / UA301$383.502026-10-29T01:05:09Z
2026-12-20 → 2026-12-23Southwest AirlinesWN2104 / WN3839 + WN2776$357.502026-10-29T01:05:09Z
2026-12-20 → 2026-12-23United AirlinesUA335 + UA5427 / UA301$396.502026-10-29T01:05:09Z
2026-12-20 → 2026-12-23United AirlinesUA430 + UA1375 / UA301$396.502026-10-29T01:05:09Z
2026-12-20 → 2026-12-23United AirlinesUA1204 + UA4758 / UA301$396.502026-10-29T01:05:09Z

2026-12-20 → 2026-12-23 · $214.50

  • Frontier Airlines F93439: DEN 2026-12-20 22:29:00 → SFO 2026-12-21 00:20:00; nonstop; 171 minutes. Local airport times.
  • Frontier Airlines F91230: SFO 2026-12-23 06:02:00 → DEN 2026-12-23 09:40:00; nonstop; 158 minutes. Local airport times.

2026-12-20 → 2026-12-23 · $351.00

  • Southwest Airlines WN2104: DEN 2026-12-20 08:40:00 → SFO 2026-12-20 10:30:00; nonstop; 170 minutes. Local airport times.
  • Southwest Airlines WN4578: SFO 2026-12-23 05:50:00 → DEN 2026-12-23 09:20:00; nonstop; 150 minutes. Local airport times.

2026-12-20 → 2026-12-23 · $383.50

  • United Airlines UA2367: DEN 2026-12-20 05:00:00 → SFO 2026-12-20 06:48:00; nonstop; 168 minutes. Local airport times.
  • United Airlines UA301: SFO 2026-12-23 21:24:00 → DEN 2026-12-24 00:59:00; nonstop; 155 minutes. Local airport times.

2026-12-20 → 2026-12-23 · $399.75

  • Alaska Airlines AS1342 / AS1435: DEN 2026-12-20 13:54:00 → SFO 2026-12-20 18:06:00; 1 stop(s) via SAN; 312 minutes. Local airport times.
    • AS1342: DEN 2026-12-20 13:54:00 → SAN 2026-12-20 15:25:00; layover at SAN: 60 minutes.
    • AS1435: SAN 2026-12-20 16:25:00 → SFO 2026-12-20 18:06:00.
  • United Airlines UA301: SFO 2026-12-23 21:24:00 → DEN 2026-12-24 00:59:00; nonstop; 155 minutes. Local airport times.

2026-12-20 → 2026-12-23 · $448.50

  • Delta Air Lines DL1553 / DL1088: DEN 2026-12-20 12:29:00 → SFO 2026-12-20 16:14:00; 1 stop(s) via SLC; 285 minutes. Local airport times.
    • DL1553: DEN 2026-12-20 12:29:00 → SLC 2026-12-20 14:06:00; layover at SLC: 64 minutes.
    • DL1088: SLC 2026-12-20 15:10:00 → SFO 2026-12-20 16:14:00.
  • Delta Air Lines DL1088 / DL1667: SFO 2026-12-23 17:15:00 → DEN 2026-12-23 23:09:00; 1 stop(s) via SLC; 294 minutes. Local airport times.
    • DL1088: SFO 2026-12-23 17:15:00 → SLC 2026-12-23 20:05:00; layover at SLC: 90 minutes.
    • DL1667: SLC 2026-12-23 21:35:00 → DEN 2026-12-23 23:09:00.

2026-12-20 → 2026-12-23 · $214.50

  • Frontier Airlines F91229: DEN 2026-12-20 08:35:00 → SFO 2026-12-20 10:28:00; nonstop; 173 minutes. Local airport times.
  • Frontier Airlines F91230: SFO 2026-12-23 06:02:00 → DEN 2026-12-23 09:40:00; nonstop; 158 minutes. Local airport times.

2026-12-20 → 2026-12-23 · $383.50

  • United Airlines UA2633: DEN 2026-12-20 15:37:00 → SFO 2026-12-20 17:24:00; nonstop; 167 minutes. Local airport times.
  • United Airlines UA301: SFO 2026-12-23 21:24:00 → DEN 2026-12-24 00:59:00; nonstop; 155 minutes. Local airport times.

2026-12-20 → 2026-12-23 · $357.50

  • Southwest Airlines WN2104: DEN 2026-12-20 08:35:00 → SFO 2026-12-20 10:20:00; nonstop; 165 minutes. Local airport times.
  • Southwest Airlines WN3839 / WN2776: SFO 2026-12-23 06:10:00 → DEN 2026-12-23 12:00:00; 1 stop(s) via BUR; 290 minutes. Local airport times.
    • WN3839: SFO 2026-12-23 06:10:00 → BUR 2026-12-23 07:35:00; layover at BUR: 65 minutes.
    • WN2776: BUR 2026-12-23 08:40:00 → DEN 2026-12-23 12:00:00.

2026-12-20 → 2026-12-23 · $396.50

  • United Airlines UA335 / UA5427: DEN 2026-12-20 11:25:00 → SFO 2026-12-20 15:27:00; 1 stop(s) via FAT; 302 minutes. Local airport times.
    • UA335: DEN 2026-12-20 11:25:00 → FAT 2026-12-20 13:01:00; layover at FAT: 74 minutes.
    • UA5427: FAT 2026-12-20 14:15:00 → SFO 2026-12-20 15:27:00.
  • United Airlines UA301: SFO 2026-12-23 21:24:00 → DEN 2026-12-24 00:59:00; nonstop; 155 minutes. Local airport times.

2026-12-20 → 2026-12-23 · $396.50

  • United Airlines UA430 / UA1375: DEN 2026-12-20 11:15:00 → SFO 2026-12-20 15:05:00; 1 stop(s) via ONT; 290 minutes. Local airport times.
    • UA430: DEN 2026-12-20 11:15:00 → ONT 2026-12-20 12:33:00; layover at ONT: 62 minutes.
    • UA1375: ONT 2026-12-20 13:35:00 → SFO 2026-12-20 15:05:00.
  • United Airlines UA301: SFO 2026-12-23 21:24:00 → DEN 2026-12-24 00:59:00; nonstop; 155 minutes. Local airport times.

2026-12-20 → 2026-12-23 · $396.50

  • United Airlines UA1204 / UA4758: DEN 2026-12-20 11:22:00 → SFO 2026-12-20 15:21:00; 1 stop(s) via MRY; 299 minutes. Local airport times.
    • UA1204: DEN 2026-12-20 11:22:00 → MRY 2026-12-20 13:03:00; layover at MRY: 82 minutes.
    • UA4758: MRY 2026-12-20 14:25:00 → SFO 2026-12-20 15:21:00.
  • United Airlines UA301: SFO 2026-12-23 21:24:00 → DEN 2026-12-24 00:59:00; nonstop; 155 minutes. Local airport times.

More dates for this route