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Denver → San Diego

Jan 21, 2027 · return Jan 31, 2027

DEN → SAN1 adulteconomyRound trip

14 flight options · 6 airlines

Nonstop flights

Thu, Jan 21 – Sun, Jan 31

Frontier Airlines
1:54 pmDEN
2h 27m
Nonstop
3:21 pmSAN
Frontier Airlines
5:29 pmSAN
2h 31m
Nonstop
9:00 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Sun, Jan 31

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

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Sun, Jan 31

Alaska Airlines
1:54 pmDEN
2h 31m
Nonstop
3:25 pmSAN
Alaska Airlines
6:01 pmSAN
2h 38m
Nonstop
9:39 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Sun, Jan 31

United Airlines
7:30 pmDEN
2h 30m
Nonstop
9:00 pmSAN
United Airlines
8:40 amSAN
2h 26m
Nonstop
12:06 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Sun, Jan 31

Frontier Airlines
10:29 pmDEN
2h 28m
Nonstop
11:57 pmSAN
Frontier Airlines
5:29 pmSAN
2h 31m
Nonstop
9:00 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Sun, Jan 31

Southwest Airlines
6:05 amDEN
2h 25m
Nonstop
7:30 amSAN
Southwest Airlines
2:40 pmSAN
2h 20m
Nonstop
6:00 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Sun, Jan 31

Alaska Airlines
8:35 amDEN
2h 51m
Nonstop
10:26 amSAN
Alaska Airlines
6:01 pmSAN
2h 38m
Nonstop
9:39 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Sun, Jan 31

United Airlines
3:52 pmDEN
2h 29m
Nonstop
5:21 pmSAN
United Airlines
8:40 amSAN
2h 26m
Nonstop
12:06 pmDEN

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Jan 21 – Sun, Jan 31

Delta Air Lines
12:29 pmDEN
4h 47m
SLC · 1h 18m
4:16 pmSAN
Southwest Airlines
2:40 pmSAN
2h 20m
Nonstop
6:00 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Sun, Jan 31

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

Thu, Jan 21 – Sun, Jan 31

Frontier Airlines
2:14 pmDEN
4h 57m
PHX · 1h 37m
6:11 pmSAN
Frontier Airlines
5:29 pmSAN
2h 31m
Nonstop
9:00 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Sun, Jan 31

Frontier Airlines
7:07 amDEN
5h 30m
LAS · 2h 3m
11:37 amSAN
Frontier Airlines
5:29 pmSAN
2h 31m
Nonstop
9:00 pmDEN

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Sun, Jan 31

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

Thu, Jan 21 – Sun, Jan 31

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

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 routeOct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 13, 2026 → Nov 16, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 11, 2026 → Dec 14, 2026Dec 12, 2026 → Dec 19, 2026Dec 22, 2026 → Dec 27, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Dec 30, 2026 → Jan 2, 2027Jan 8, 2027 → Jan 11, 2027Jan 9, 2027 → Jan 16, 2027Jan 15, 2027 → Jan 18, 2027Jan 22, 2027 → Jan 25, 2027Jan 23, 2027 → Jan 30, 2027Feb 5, 2027 → Feb 8, 2027Feb 6, 2027 → Feb 13, 2027Feb 12, 2027 → Feb 15, 2027Mar 5, 2027 → Mar 8, 2027Mar 6, 2027 → Mar 13, 2027Mar 25, 2027 → Mar 29, 2027Apr 2, 2027 → Apr 5, 2027Apr 3, 2027 → Apr 10, 2027Apr 30, 2027 → May 3, 2027May 1, 2027 → May 8, 2027May 28, 2027 → May 31, 2027May 29, 2027 → Jun 5, 2027Jun 25, 2027 → Jun 28, 2027Jun 26, 2027 → Jul 3, 2027Jul 2, 2027 → Jul 6, 2027Jul 23, 2027 → Jul 26, 2027Jul 24, 2027 → Jul 31, 2027Aug 20, 2027 → Aug 23, 2027Aug 21, 2027 → Aug 28, 2027Sep 3, 2027 → Sep 6, 2027Sep 17, 2027 → Sep 20, 2027Oct 30, 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)
2027-01-21 → 2027-01-31Frontier AirlinesF92817 / F92422$145.002026-10-29T01:05:09Z
2027-01-21 → 2027-01-31Southwest AirlinesWN1778 / WN1094$260.002026-10-29T01:05:09Z
2027-01-21 → 2027-01-31Alaska AirlinesAS1342 / AS3060$270.002026-10-29T01:05:09Z
2027-01-21 → 2027-01-31United AirlinesUA540 / UA2476$280.002026-10-29T01:05:09Z
2027-01-21 → 2027-01-31Delta Air Lines / Southwest AirlinesDL1553 + DL1210 / WN1094$290.002026-10-29T01:05:09Z
2027-01-21 → 2027-01-31American AirlinesAA2447 + AA1950 / AA1950 + AA4952$300.002026-10-29T01:05:09Z
2027-01-21 → 2027-01-31Frontier AirlinesF92711 / F92422$145.002026-10-29T01:05:09Z
2027-01-21 → 2027-01-31Southwest AirlinesWN4545 / WN1094$260.002026-10-29T01:05:09Z
2027-01-21 → 2027-01-31Alaska AirlinesAS3059 / AS3060$270.002026-10-29T01:05:09Z
2027-01-21 → 2027-01-31United AirlinesUA1281 / UA2476$280.002026-10-29T01:05:09Z
2027-01-21 → 2027-01-31Frontier AirlinesF92105 + F92083 / F92422$162.502026-10-29T01:05:09Z
2027-01-21 → 2027-01-31Frontier AirlinesF92015 + F91326 / F92422$162.502026-10-29T01:05:09Z
2027-01-21 → 2027-01-31Southwest AirlinesWN406 + WN2429 / WN1094$275.002026-10-29T01:05:09Z
2027-01-21 → 2027-01-31Southwest AirlinesWN370 + WN3701 / WN1094$275.002026-10-29T01:05:09Z

2027-01-21 → 2027-01-31 · $145.00

  • Frontier Airlines F92817: DEN 2027-01-21 13:54:00 → SAN 2027-01-21 15:21:00; nonstop; 147 minutes. Local airport times.
  • Frontier Airlines F92422: SAN 2027-01-31 17:29:00 → DEN 2027-01-31 21:00:00; nonstop; 151 minutes. Local airport times.

2027-01-21 → 2027-01-31 · $260.00

  • Southwest Airlines WN1778: DEN 2027-01-21 12:20:00 → SAN 2027-01-21 13:40:00; nonstop; 140 minutes. Local airport times.
  • Southwest Airlines WN1094: SAN 2027-01-31 14:40:00 → DEN 2027-01-31 18:00:00; nonstop; 140 minutes. Local airport times.

2027-01-21 → 2027-01-31 · $270.00

  • Alaska Airlines AS1342: DEN 2027-01-21 13:54:00 → SAN 2027-01-21 15:25:00; nonstop; 151 minutes. Local airport times.
  • Alaska Airlines AS3060: SAN 2027-01-31 18:01:00 → DEN 2027-01-31 21:39:00; nonstop; 158 minutes. Local airport times.

2027-01-21 → 2027-01-31 · $280.00

  • United Airlines UA540: DEN 2027-01-21 19:30:00 → SAN 2027-01-21 21:00:00; nonstop; 150 minutes. Local airport times.
  • United Airlines UA2476: SAN 2027-01-31 08:40:00 → DEN 2027-01-31 12:06:00; nonstop; 146 minutes. Local airport times.

2027-01-21 → 2027-01-31 · $290.00

  • Delta Air Lines DL1553 / DL1210: DEN 2027-01-21 12:29:00 → SAN 2027-01-21 16:16:00; 1 stop(s) via SLC; 287 minutes. Local airport times.
    • DL1553: DEN 2027-01-21 12:29:00 → SLC 2027-01-21 14:06:00; layover at SLC: 78 minutes.
    • DL1210: SLC 2027-01-21 15:24:00 → SAN 2027-01-21 16:16:00.
  • Southwest Airlines WN1094: SAN 2027-01-31 14:40:00 → DEN 2027-01-31 18:00:00; nonstop; 140 minutes. Local airport times.

2027-01-21 → 2027-01-31 · $300.00

  • American Airlines AA2447 / AA1950: DEN 2027-01-21 12:06:00 → SAN 2027-01-21 15:40:00; 1 stop(s) via PHX; 274 minutes. Local airport times.
    • AA2447: DEN 2027-01-21 12:06:00 → PHX 2027-01-21 14:03:00; layover at PHX: 78 minutes.
    • AA1950: PHX 2027-01-21 15:21:00 → SAN 2027-01-21 15:40:00.
  • American Airlines AA1950 / AA4952: SAN 2027-01-31 16:30:00 → DEN 2027-01-31 22:58:00; 1 stop(s) via PHX; 328 minutes. Local airport times.
    • AA1950: SAN 2027-01-31 16:30:00 → PHX 2027-01-31 18:59:00; layover at PHX: 120 minutes.
    • AA4952: PHX 2027-01-31 20:59:00 → DEN 2027-01-31 22:58:00.

2027-01-21 → 2027-01-31 · $145.00

  • Frontier Airlines F92711: DEN 2027-01-21 22:29:00 → SAN 2027-01-21 23:57:00; nonstop; 148 minutes. Local airport times.
  • Frontier Airlines F92422: SAN 2027-01-31 17:29:00 → DEN 2027-01-31 21:00:00; nonstop; 151 minutes. Local airport times.

2027-01-21 → 2027-01-31 · $260.00

  • Southwest Airlines WN4545: DEN 2027-01-21 06:05:00 → SAN 2027-01-21 07:30:00; nonstop; 145 minutes. Local airport times.
  • Southwest Airlines WN1094: SAN 2027-01-31 14:40:00 → DEN 2027-01-31 18:00:00; nonstop; 140 minutes. Local airport times.

2027-01-21 → 2027-01-31 · $270.00

  • Alaska Airlines AS3059: DEN 2027-01-21 08:35:00 → SAN 2027-01-21 10:26:00; nonstop; 171 minutes. Local airport times.
  • Alaska Airlines AS3060: SAN 2027-01-31 18:01:00 → DEN 2027-01-31 21:39:00; nonstop; 158 minutes. Local airport times.

2027-01-21 → 2027-01-31 · $280.00

  • United Airlines UA1281: DEN 2027-01-21 15:52:00 → SAN 2027-01-21 17:21:00; nonstop; 149 minutes. Local airport times.
  • United Airlines UA2476: SAN 2027-01-31 08:40:00 → DEN 2027-01-31 12:06:00; nonstop; 146 minutes. Local airport times.

2027-01-21 → 2027-01-31 · $162.50

  • Frontier Airlines F92105 / F92083: DEN 2027-01-21 14:14:00 → SAN 2027-01-21 18:11:00; 1 stop(s) via PHX; 297 minutes. Local airport times.
    • F92105: DEN 2027-01-21 14:14:00 → PHX 2027-01-21 16:17:00; layover at PHX: 97 minutes.
    • F92083: PHX 2027-01-21 17:54:00 → SAN 2027-01-21 18:11:00.
  • Frontier Airlines F92422: SAN 2027-01-31 17:29:00 → DEN 2027-01-31 21:00:00; nonstop; 151 minutes. Local airport times.

2027-01-21 → 2027-01-31 · $162.50

  • Frontier Airlines F92015 / F91326: DEN 2027-01-21 07:07:00 → SAN 2027-01-21 11:37:00; 1 stop(s) via LAS; 330 minutes. Local airport times.
    • F92015: DEN 2027-01-21 07:07:00 → LAS 2027-01-21 08:12:00; layover at LAS: 123 minutes.
    • F91326: LAS 2027-01-21 10:15:00 → SAN 2027-01-21 11:37:00.
  • Frontier Airlines F92422: SAN 2027-01-31 17:29:00 → DEN 2027-01-31 21:00:00; nonstop; 151 minutes. Local airport times.

2027-01-21 → 2027-01-31 · $275.00

  • Southwest Airlines WN406 / WN2429: DEN 2027-01-21 12:40:00 → SAN 2027-01-21 16:35:00; 1 stop(s) via LAS; 295 minutes. Local airport times.
    • WN406: DEN 2027-01-21 12:40:00 → LAS 2027-01-21 13:40:00; layover at LAS: 100 minutes.
    • WN2429: LAS 2027-01-21 15:20:00 → SAN 2027-01-21 16:35:00.
  • Southwest Airlines WN1094: SAN 2027-01-31 14:40:00 → DEN 2027-01-31 18:00:00; nonstop; 140 minutes. Local airport times.

2027-01-21 → 2027-01-31 · $275.00

  • Southwest Airlines WN370 / WN3701: DEN 2027-01-21 12:30:00 → SAN 2027-01-21 16:55:00; 1 stop(s) via FAT; 325 minutes. Local airport times.
    • WN370: DEN 2027-01-21 12:30:00 → FAT 2027-01-21 14:00:00; layover at FAT: 95 minutes.
    • WN3701: FAT 2027-01-21 15:35:00 → SAN 2027-01-21 16:55:00.
  • Southwest Airlines WN1094: SAN 2027-01-31 14:40:00 → DEN 2027-01-31 18:00:00; nonstop; 140 minutes. Local airport times.

More dates for this route