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Denver → San Diego

Dec 9, 2026 · return Dec 10, 2026

DEN → SAN1 adulteconomyRound trip

14 flight options · 6 airlines

Nonstop flights

Wed, Dec 9 – Thu, Dec 10

Frontier Airlines
1:54 pmDEN
2h 27m
Nonstop
3:21 pmSAN
Frontier Airlines
6:30 amSAN
2h 34m
Nonstop
10:04 amDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Thu, Dec 10

Southwest Airlines
12:05 pmDEN
2h 25m
Nonstop
1:30 pmSAN
Southwest Airlines
2:40 pmSAN
2h 20m
Nonstop
6:00 pmDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Thu, Dec 10

Alaska Airlines
7:02 amDEN
2h 44m
Nonstop
8:46 amSAN
Alaska Airlines
9:28 amSAN
2h 29m
Nonstop
12:57 pmDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Thu, Dec 10

United Airlines
1:25 pmDEN
2h 30m
Nonstop
2:55 pmSAN
United Airlines
6:45 pmSAN
2h 28m
Nonstop
10:13 pmDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Thu, Dec 10

Frontier Airlines
10:29 pmDEN
2h 28m
Nonstop
11:57 pmSAN
Frontier Airlines
6:30 amSAN
2h 34m
Nonstop
10:04 amDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Thu, Dec 10

Southwest Airlines
8:25 pmDEN
2h 30m
Nonstop
9:55 pmSAN
Southwest Airlines
2:40 pmSAN
2h 20m
Nonstop
6:00 pmDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Thu, Dec 10

Alaska Airlines
1:54 pmDEN
2h 31m
Nonstop
3:25 pmSAN
Alaska Airlines
9:28 amSAN
2h 29m
Nonstop
12:57 pmDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Thu, Dec 10

United Airlines
7:40 amDEN
2h 30m
Nonstop
9:10 amSAN
United Airlines
6:45 pmSAN
2h 28m
Nonstop
10:13 pmDEN

Round-trip total · 1 adult · Taxes included

One-stop flights

Wed, Dec 9 – Thu, Dec 10

American Airlines
12:06 pmDEN
4h 34m
PHX · 1h 18m
3:40 pmSAN
American Airlines
4:30 pmSAN
5h 28m
PHX · 2h
10:58 pmDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Thu, Dec 10

Delta Air Lines
12:29 pmDEN
4h 47m
SLC · 1h 18m
4:16 pmSAN
United Airlines
6:45 pmSAN
2h 28m
Nonstop
10:13 pmDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Thu, Dec 10

Frontier Airlines
2:14 pmDEN
4h 57m
PHX · 1h 37m
6:11 pmSAN
Frontier Airlines
6:30 amSAN
2h 34m
Nonstop
10:04 amDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Thu, Dec 10

Frontier Airlines
7:07 amDEN
5h 30m
LAS · 2h 3m
11:37 amSAN
Frontier Airlines
6:30 amSAN
2h 34m
Nonstop
10:04 amDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Thu, Dec 10

Southwest Airlines
12:30 pmDEN
5h 25m
FAT · 1h 35m
4:55 pmSAN
Southwest Airlines
2:40 pmSAN
2h 20m
Nonstop
6:00 pmDEN

Round-trip total · 1 adult · Taxes included

Wed, Dec 9 – Thu, Dec 10

Southwest Airlines
12:40 pmDEN
4h 55m
LAS · 1h 40m
4:35 pmSAN
Southwest Airlines
2:40 pmSAN
2h 20m
Nonstop
6:00 pmDEN

Round-trip total · 1 adult · Taxes included

Make this trip yours

DEN ⇄ SAN

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)
2026-12-09 → 2026-12-10Frontier AirlinesF92817 / F92818$145.002026-10-29T01:05:09Z
2026-12-09 → 2026-12-10Southwest AirlinesWN24 / WN1094$260.002026-10-29T01:05:09Z
2026-12-09 → 2026-12-10Alaska AirlinesAS3059 / AS1342$270.002026-10-29T01:05:09Z
2026-12-09 → 2026-12-10United AirlinesUA1302 / UA519$280.002026-10-29T01:05:09Z
2026-12-09 → 2026-12-10American AirlinesAA2447 + AA1950 / AA1950 + AA4952$300.002026-10-29T01:05:09Z
2026-12-09 → 2026-12-10Delta Air Lines / United AirlinesDL1553 + DL1210 / UA519$300.002026-10-29T01:05:09Z
2026-12-09 → 2026-12-10Frontier AirlinesF92711 / F92818$145.002026-10-29T01:05:09Z
2026-12-09 → 2026-12-10Southwest AirlinesWN1781 / WN1094$260.002026-10-29T01:05:09Z
2026-12-09 → 2026-12-10Alaska AirlinesAS1342 / AS1342$270.002026-10-29T01:05:09Z
2026-12-09 → 2026-12-10United AirlinesUA2309 / UA519$280.002026-10-29T01:05:09Z
2026-12-09 → 2026-12-10Frontier AirlinesF92105 + F92083 / F92818$162.502026-10-29T01:05:09Z
2026-12-09 → 2026-12-10Frontier AirlinesF92015 + F91326 / F92818$162.502026-10-29T01:05:09Z
2026-12-09 → 2026-12-10Southwest AirlinesWN370 + WN3701 / WN1094$275.002026-10-29T01:05:09Z
2026-12-09 → 2026-12-10Southwest AirlinesWN406 + WN2429 / WN1094$275.002026-10-29T01:05:09Z

2026-12-09 → 2026-12-10 · $145.00

  • Frontier Airlines F92817: DEN 2026-12-09 13:54:00 → SAN 2026-12-09 15:21:00; nonstop; 147 minutes. Local airport times.
  • Frontier Airlines F92818: SAN 2026-12-10 06:30:00 → DEN 2026-12-10 10:04:00; nonstop; 154 minutes. Local airport times.

2026-12-09 → 2026-12-10 · $260.00

  • Southwest Airlines WN24: DEN 2026-12-09 12:05:00 → SAN 2026-12-09 13:30:00; nonstop; 145 minutes. Local airport times.
  • Southwest Airlines WN1094: SAN 2026-12-10 14:40:00 → DEN 2026-12-10 18:00:00; nonstop; 140 minutes. Local airport times.

2026-12-09 → 2026-12-10 · $270.00

  • Alaska Airlines AS3059: DEN 2026-12-09 07:02:00 → SAN 2026-12-09 08:46:00; nonstop; 164 minutes. Local airport times.
  • Alaska Airlines AS1342: SAN 2026-12-10 09:28:00 → DEN 2026-12-10 12:57:00; nonstop; 149 minutes. Local airport times.

2026-12-09 → 2026-12-10 · $280.00

  • United Airlines UA1302: DEN 2026-12-09 13:25:00 → SAN 2026-12-09 14:55:00; nonstop; 150 minutes. Local airport times.
  • United Airlines UA519: SAN 2026-12-10 18:45:00 → DEN 2026-12-10 22:13:00; nonstop; 148 minutes. Local airport times.

2026-12-09 → 2026-12-10 · $300.00

  • American Airlines AA2447 / AA1950: DEN 2026-12-09 12:06:00 → SAN 2026-12-09 15:40:00; 1 stop(s) via PHX; 274 minutes. Local airport times.
    • AA2447: DEN 2026-12-09 12:06:00 → PHX 2026-12-09 14:03:00; layover at PHX: 78 minutes.
    • AA1950: PHX 2026-12-09 15:21:00 → SAN 2026-12-09 15:40:00.
  • American Airlines AA1950 / AA4952: SAN 2026-12-10 16:30:00 → DEN 2026-12-10 22:58:00; 1 stop(s) via PHX; 328 minutes. Local airport times.
    • AA1950: SAN 2026-12-10 16:30:00 → PHX 2026-12-10 18:59:00; layover at PHX: 120 minutes.
    • AA4952: PHX 2026-12-10 20:59:00 → DEN 2026-12-10 22:58:00.

2026-12-09 → 2026-12-10 · $300.00

  • Delta Air Lines DL1553 / DL1210: DEN 2026-12-09 12:29:00 → SAN 2026-12-09 16:16:00; 1 stop(s) via SLC; 287 minutes. Local airport times.
    • DL1553: DEN 2026-12-09 12:29:00 → SLC 2026-12-09 14:06:00; layover at SLC: 78 minutes.
    • DL1210: SLC 2026-12-09 15:24:00 → SAN 2026-12-09 16:16:00.
  • United Airlines UA519: SAN 2026-12-10 18:45:00 → DEN 2026-12-10 22:13:00; nonstop; 148 minutes. Local airport times.

2026-12-09 → 2026-12-10 · $145.00

  • Frontier Airlines F92711: DEN 2026-12-09 22:29:00 → SAN 2026-12-09 23:57:00; nonstop; 148 minutes. Local airport times.
  • Frontier Airlines F92818: SAN 2026-12-10 06:30:00 → DEN 2026-12-10 10:04:00; nonstop; 154 minutes. Local airport times.

2026-12-09 → 2026-12-10 · $260.00

  • Southwest Airlines WN1781: DEN 2026-12-09 20:25:00 → SAN 2026-12-09 21:55:00; nonstop; 150 minutes. Local airport times.
  • Southwest Airlines WN1094: SAN 2026-12-10 14:40:00 → DEN 2026-12-10 18:00:00; nonstop; 140 minutes. Local airport times.

2026-12-09 → 2026-12-10 · $270.00

  • Alaska Airlines AS1342: DEN 2026-12-09 13:54:00 → SAN 2026-12-09 15:25:00; nonstop; 151 minutes. Local airport times.
  • Alaska Airlines AS1342: SAN 2026-12-10 09:28:00 → DEN 2026-12-10 12:57:00; nonstop; 149 minutes. Local airport times.

2026-12-09 → 2026-12-10 · $280.00

  • United Airlines UA2309: DEN 2026-12-09 07:40:00 → SAN 2026-12-09 09:10:00; nonstop; 150 minutes. Local airport times.
  • United Airlines UA519: SAN 2026-12-10 18:45:00 → DEN 2026-12-10 22:13:00; nonstop; 148 minutes. Local airport times.

2026-12-09 → 2026-12-10 · $162.50

  • Frontier Airlines F92105 / F92083: DEN 2026-12-09 14:14:00 → SAN 2026-12-09 18:11:00; 1 stop(s) via PHX; 297 minutes. Local airport times.
    • F92105: DEN 2026-12-09 14:14:00 → PHX 2026-12-09 16:17:00; layover at PHX: 97 minutes.
    • F92083: PHX 2026-12-09 17:54:00 → SAN 2026-12-09 18:11:00.
  • Frontier Airlines F92818: SAN 2026-12-10 06:30:00 → DEN 2026-12-10 10:04:00; nonstop; 154 minutes. Local airport times.

2026-12-09 → 2026-12-10 · $162.50

  • Frontier Airlines F92015 / F91326: DEN 2026-12-09 07:07:00 → SAN 2026-12-09 11:37:00; 1 stop(s) via LAS; 330 minutes. Local airport times.
    • F92015: DEN 2026-12-09 07:07:00 → LAS 2026-12-09 08:12:00; layover at LAS: 123 minutes.
    • F91326: LAS 2026-12-09 10:15:00 → SAN 2026-12-09 11:37:00.
  • Frontier Airlines F92818: SAN 2026-12-10 06:30:00 → DEN 2026-12-10 10:04:00; nonstop; 154 minutes. Local airport times.

2026-12-09 → 2026-12-10 · $275.00

  • Southwest Airlines WN370 / WN3701: DEN 2026-12-09 12:30:00 → SAN 2026-12-09 16:55:00; 1 stop(s) via FAT; 325 minutes. Local airport times.
    • WN370: DEN 2026-12-09 12:30:00 → FAT 2026-12-09 14:00:00; layover at FAT: 95 minutes.
    • WN3701: FAT 2026-12-09 15:35:00 → SAN 2026-12-09 16:55:00.
  • Southwest Airlines WN1094: SAN 2026-12-10 14:40:00 → DEN 2026-12-10 18:00:00; nonstop; 140 minutes. Local airport times.

2026-12-09 → 2026-12-10 · $275.00

  • Southwest Airlines WN406 / WN2429: DEN 2026-12-09 12:40:00 → SAN 2026-12-09 16:35:00; 1 stop(s) via LAS; 295 minutes. Local airport times.
    • WN406: DEN 2026-12-09 12:40:00 → LAS 2026-12-09 13:40:00; layover at LAS: 100 minutes.
    • WN2429: LAS 2026-12-09 15:20:00 → SAN 2026-12-09 16:35:00.
  • Southwest Airlines WN1094: SAN 2026-12-10 14:40:00 → DEN 2026-12-10 18:00:00; nonstop; 140 minutes. Local airport times.

More dates for this route