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Denver → San Diego

Dec 28, 2026 · return Dec 29, 2026

DEN → SAN1 adulteconomyRound trip

14 flight options · 6 airlines

Nonstop flights

Mon, Dec 28 – Tue, Dec 29

Frontier Airlines
10:29 pmDEN
2h 29m
Nonstop
11:58 pmSAN
Frontier Airlines
4:53 pmSAN
2h 32m
Nonstop
8:25 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 28 – Tue, Dec 29

Southwest Airlines
12:20 pmDEN
2h 20m
Nonstop
1:40 pmSAN
Southwest Airlines
12:30 pmSAN
2h 20m
Nonstop
3:50 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 28 – Tue, Dec 29

Alaska Airlines
8:35 amDEN
2h 51m
Nonstop
10:26 amSAN
Alaska Airlines
9:28 amSAN
2h 29m
Nonstop
12:57 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 28 – Tue, Dec 29

United Airlines
7:30 pmDEN
2h 30m
Nonstop
9:00 pmSAN
United Airlines
8:45 amSAN
2h 25m
Nonstop
12:10 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 28 – Tue, Dec 29

Frontier Airlines
1:54 pmDEN
2h 27m
Nonstop
3:21 pmSAN
Frontier Airlines
4:53 pmSAN
2h 32m
Nonstop
8:25 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 28 – Tue, Dec 29

Southwest Airlines
11:10 amDEN
2h 20m
Nonstop
12:30 pmSAN
Southwest Airlines
12:30 pmSAN
2h 20m
Nonstop
3:50 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 28 – Tue, Dec 29

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

Mon, Dec 28 – Tue, Dec 29

United Airlines
3:45 pmDEN
2h 30m
Nonstop
5:15 pmSAN
United Airlines
8:45 amSAN
2h 25m
Nonstop
12:10 pmDEN

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 28 – Tue, Dec 29

Delta Air Lines
12:29 pmDEN
4h 47m
SLC · 1h 18m
4:16 pmSAN
Southwest Airlines
12:30 pmSAN
2h 20m
Nonstop
3:50 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 28 – Tue, Dec 29

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

Mon, Dec 28 – Tue, Dec 29

Frontier Airlines
7:07 amDEN
5h 30m
LAS · 2h 3m
11:37 amSAN
Frontier Airlines
4:53 pmSAN
2h 32m
Nonstop
8:25 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 28 – Tue, Dec 29

Frontier Airlines
2:14 pmDEN
4h 57m
PHX · 1h 37m
6:11 pmSAN
Frontier Airlines
4:53 pmSAN
2h 32m
Nonstop
8:25 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 28 – Tue, Dec 29

Southwest Airlines
12:40 pmDEN
4h 55m
LAS · 1h 40m
4:35 pmSAN
Southwest Airlines
12:30 pmSAN
2h 20m
Nonstop
3:50 pmDEN

Round-trip total · 1 adult · Taxes included

Mon, Dec 28 – Tue, Dec 29

Southwest Airlines
12:30 pmDEN
5h 25m
FAT · 1h 35m
4:55 pmSAN
Southwest Airlines
12:30 pmSAN
2h 20m
Nonstop
3:50 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)
2026-12-28 → 2026-12-29Frontier AirlinesF92711 / F94990$195.762026-10-29T01:05:09Z
2026-12-28 → 2026-12-29Southwest AirlinesWN1778 / WN3699$351.002026-10-29T01:05:09Z
2026-12-28 → 2026-12-29Alaska AirlinesAS3059 / AS1342$364.502026-10-29T01:05:09Z
2026-12-28 → 2026-12-29United AirlinesUA540 / UA2476$378.002026-10-29T01:05:09Z
2026-12-28 → 2026-12-29Delta Air Lines / Southwest AirlinesDL1553 + DL1210 / WN3699$391.502026-10-29T01:05:09Z
2026-12-28 → 2026-12-29American AirlinesAA2447 + AA1950 / AA1950 + AA4952$405.002026-10-29T01:05:09Z
2026-12-28 → 2026-12-29Frontier AirlinesF92817 / F94990$195.762026-10-29T01:05:09Z
2026-12-28 → 2026-12-29Southwest AirlinesWN3272 / WN3699$351.002026-10-29T01:05:09Z
2026-12-28 → 2026-12-29Alaska AirlinesAS1342 / AS1342$364.502026-10-29T01:05:09Z
2026-12-28 → 2026-12-29United AirlinesUA1281 / UA2476$378.002026-10-29T01:05:09Z
2026-12-28 → 2026-12-29Frontier AirlinesF92015 + F91326 / F94990$219.382026-10-29T01:05:09Z
2026-12-28 → 2026-12-29Frontier AirlinesF92105 + F92083 / F94990$219.382026-10-29T01:05:09Z
2026-12-28 → 2026-12-29Southwest AirlinesWN406 + WN2429 / WN3699$371.252026-10-29T01:05:09Z
2026-12-28 → 2026-12-29Southwest AirlinesWN370 + WN3701 / WN3699$371.252026-10-29T01:05:09Z

2026-12-28 → 2026-12-29 · $195.76

  • Frontier Airlines F92711: DEN 2026-12-28 22:29:00 → SAN 2026-12-28 23:58:00; nonstop; 149 minutes. Local airport times.
  • Frontier Airlines F94990: SAN 2026-12-29 16:53:00 → DEN 2026-12-29 20:25:00; nonstop; 152 minutes. Local airport times.

2026-12-28 → 2026-12-29 · $351.00

  • Southwest Airlines WN1778: DEN 2026-12-28 12:20:00 → SAN 2026-12-28 13:40:00; nonstop; 140 minutes. Local airport times.
  • Southwest Airlines WN3699: SAN 2026-12-29 12:30:00 → DEN 2026-12-29 15:50:00; nonstop; 140 minutes. Local airport times.

2026-12-28 → 2026-12-29 · $364.50

  • Alaska Airlines AS3059: DEN 2026-12-28 08:35:00 → SAN 2026-12-28 10:26:00; nonstop; 171 minutes. Local airport times.
  • Alaska Airlines AS1342: SAN 2026-12-29 09:28:00 → DEN 2026-12-29 12:57:00; nonstop; 149 minutes. Local airport times.

2026-12-28 → 2026-12-29 · $378.00

  • United Airlines UA540: DEN 2026-12-28 19:30:00 → SAN 2026-12-28 21:00:00; nonstop; 150 minutes. Local airport times.
  • United Airlines UA2476: SAN 2026-12-29 08:45:00 → DEN 2026-12-29 12:10:00; nonstop; 145 minutes. Local airport times.

2026-12-28 → 2026-12-29 · $391.50

  • Delta Air Lines DL1553 / DL1210: DEN 2026-12-28 12:29:00 → SAN 2026-12-28 16:16:00; 1 stop(s) via SLC; 287 minutes. Local airport times.
    • DL1553: DEN 2026-12-28 12:29:00 → SLC 2026-12-28 14:06:00; layover at SLC: 78 minutes.
    • DL1210: SLC 2026-12-28 15:24:00 → SAN 2026-12-28 16:16:00.
  • Southwest Airlines WN3699: SAN 2026-12-29 12:30:00 → DEN 2026-12-29 15:50:00; nonstop; 140 minutes. Local airport times.

2026-12-28 → 2026-12-29 · $405.00

  • American Airlines AA2447 / AA1950: DEN 2026-12-28 12:06:00 → SAN 2026-12-28 15:40:00; 1 stop(s) via PHX; 274 minutes. Local airport times.
    • AA2447: DEN 2026-12-28 12:06:00 → PHX 2026-12-28 14:03:00; layover at PHX: 78 minutes.
    • AA1950: PHX 2026-12-28 15:21:00 → SAN 2026-12-28 15:40:00.
  • American Airlines AA1950 / AA4952: SAN 2026-12-29 16:30:00 → DEN 2026-12-29 22:58:00; 1 stop(s) via PHX; 328 minutes. Local airport times.
    • AA1950: SAN 2026-12-29 16:30:00 → PHX 2026-12-29 18:59:00; layover at PHX: 120 minutes.
    • AA4952: PHX 2026-12-29 20:59:00 → DEN 2026-12-29 22:58:00.

2026-12-28 → 2026-12-29 · $195.76

  • Frontier Airlines F92817: DEN 2026-12-28 13:54:00 → SAN 2026-12-28 15:21:00; nonstop; 147 minutes. Local airport times.
  • Frontier Airlines F94990: SAN 2026-12-29 16:53:00 → DEN 2026-12-29 20:25:00; nonstop; 152 minutes. Local airport times.

2026-12-28 → 2026-12-29 · $351.00

  • Southwest Airlines WN3272: DEN 2026-12-28 11:10:00 → SAN 2026-12-28 12:30:00; nonstop; 140 minutes. Local airport times.
  • Southwest Airlines WN3699: SAN 2026-12-29 12:30:00 → DEN 2026-12-29 15:50:00; nonstop; 140 minutes. Local airport times.

2026-12-28 → 2026-12-29 · $364.50

  • Alaska Airlines AS1342: DEN 2026-12-28 13:54:00 → SAN 2026-12-28 15:25:00; nonstop; 151 minutes. Local airport times.
  • Alaska Airlines AS1342: SAN 2026-12-29 09:28:00 → DEN 2026-12-29 12:57:00; nonstop; 149 minutes. Local airport times.

2026-12-28 → 2026-12-29 · $378.00

  • United Airlines UA1281: DEN 2026-12-28 15:45:00 → SAN 2026-12-28 17:15:00; nonstop; 150 minutes. Local airport times.
  • United Airlines UA2476: SAN 2026-12-29 08:45:00 → DEN 2026-12-29 12:10:00; nonstop; 145 minutes. Local airport times.

2026-12-28 → 2026-12-29 · $219.38

  • Frontier Airlines F92015 / F91326: DEN 2026-12-28 07:07:00 → SAN 2026-12-28 11:37:00; 1 stop(s) via LAS; 330 minutes. Local airport times.
    • F92015: DEN 2026-12-28 07:07:00 → LAS 2026-12-28 08:12:00; layover at LAS: 123 minutes.
    • F91326: LAS 2026-12-28 10:15:00 → SAN 2026-12-28 11:37:00.
  • Frontier Airlines F94990: SAN 2026-12-29 16:53:00 → DEN 2026-12-29 20:25:00; nonstop; 152 minutes. Local airport times.

2026-12-28 → 2026-12-29 · $219.38

  • Frontier Airlines F92105 / F92083: DEN 2026-12-28 14:14:00 → SAN 2026-12-28 18:11:00; 1 stop(s) via PHX; 297 minutes. Local airport times.
    • F92105: DEN 2026-12-28 14:14:00 → PHX 2026-12-28 16:17:00; layover at PHX: 97 minutes.
    • F92083: PHX 2026-12-28 17:54:00 → SAN 2026-12-28 18:11:00.
  • Frontier Airlines F94990: SAN 2026-12-29 16:53:00 → DEN 2026-12-29 20:25:00; nonstop; 152 minutes. Local airport times.

2026-12-28 → 2026-12-29 · $371.25

  • Southwest Airlines WN406 / WN2429: DEN 2026-12-28 12:40:00 → SAN 2026-12-28 16:35:00; 1 stop(s) via LAS; 295 minutes. Local airport times.
    • WN406: DEN 2026-12-28 12:40:00 → LAS 2026-12-28 13:40:00; layover at LAS: 100 minutes.
    • WN2429: LAS 2026-12-28 15:20:00 → SAN 2026-12-28 16:35:00.
  • Southwest Airlines WN3699: SAN 2026-12-29 12:30:00 → DEN 2026-12-29 15:50:00; nonstop; 140 minutes. Local airport times.

2026-12-28 → 2026-12-29 · $371.25

  • Southwest Airlines WN370 / WN3701: DEN 2026-12-28 12:30:00 → SAN 2026-12-28 16:55:00; 1 stop(s) via FAT; 325 minutes. Local airport times.
    • WN370: DEN 2026-12-28 12:30:00 → FAT 2026-12-28 14:00:00; layover at FAT: 95 minutes.
    • WN3701: FAT 2026-12-28 15:35:00 → SAN 2026-12-28 16:55:00.
  • Southwest Airlines WN3699: SAN 2026-12-29 12:30:00 → DEN 2026-12-29 15:50:00; nonstop; 140 minutes. Local airport times.

More dates for this route