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San Diego → Denver

Aug 21, 2027 · return Aug 28, 2027

SAN → DEN1 adulteconomyRound trip

14 flight options · 5 airlines

Nonstop flights

Sat, Aug 21 – Sat, Aug 28

Frontier Airlines
6:36 amSAN
2h 34m
Nonstop
10:10 amDEN
Frontier Airlines
10:29 pmDEN
2h 28m
Nonstop
11:57 pmSAN

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Southwest Airlines
3:55 pmSAN
2h 20m
Nonstop
7:15 pmDEN
Southwest Airlines
11:10 amDEN
2h 20m
Nonstop
12:30 pmSAN

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

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

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

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

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

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

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Southwest Airlines
9:15 pmSAN
2h 25m
Nonstop
12:40 am+1DEN
Southwest Airlines
11:10 amDEN
2h 20m
Nonstop
12:30 pmSAN

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Alaska Airlines
6:01 pmSAN
2h 38m
Nonstop
9:39 pmDEN
Alaska Airlines
7:02 amDEN
2h 44m
Nonstop
8:46 amSAN

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

United Airlines
4:18 pmSAN
2h 27m
Nonstop
7:45 pmDEN
United Airlines
3:52 pmDEN
2h 29m
Nonstop
5:21 pmSAN

Round-trip total · 1 adult · Taxes included

One-stop flights

Sat, Aug 21 – Sat, Aug 28

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

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Southwest Airlines
8:25 amSAN
4h 35m
SLC · 1h
2:00 pmDEN
Southwest Airlines
11:10 amDEN
2h 20m
Nonstop
12:30 pmSAN

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Southwest Airlines
11:00 amSAN
5h 10m
BOI · 1h 15m
5:10 pmDEN
Southwest Airlines
11:10 amDEN
2h 20m
Nonstop
12:30 pmSAN

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Southwest Airlines
2:15 pmSAN
4h 55m
SMF · 1h
8:10 pmDEN
Southwest Airlines
11:10 amDEN
2h 20m
Nonstop
12:30 pmSAN

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Southwest Airlines
6:20 pmSAN
4h 15m
LAS · 1h
11:35 pmDEN
Southwest Airlines
11:10 amDEN
2h 20m
Nonstop
12:30 pmSAN

Round-trip total · 1 adult · Taxes included

Sat, Aug 21 – Sat, Aug 28

Alaska Airlines
5:19 pmSAN
4h 39m
PHX · 1h 19m
10:58 pmDEN
Alaska Airlines
7:02 amDEN
2h 44m
Nonstop
8:46 amSAN

Round-trip total · 1 adult · Taxes included

Make this trip yours

SAN ⇄ DEN

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 5, 2026 → Nov 8, 2026Nov 14, 2026 → Nov 21, 2026Nov 24, 2026 → Nov 29, 2026Dec 5, 2026 → Dec 12, 2026Dec 17, 2026 → Dec 20, 2026Dec 26, 2026 → Jan 2, 2027Jan 5, 2027 · One wayJan 16, 2027 → Jan 23, 2027Feb 5, 2027 → Feb 8, 2027Apr 3, 2027 → Apr 10, 2027Jun 26, 2027 → Jul 3, 2027Sep 17, 2027 → Sep 20, 2027
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)
2027-08-21 → 2027-08-28Frontier AirlinesF92818 / F92711$180.002026-10-29T01:08:43Z
2027-08-21 → 2027-08-28Southwest AirlinesWN826 / WN3272$300.002026-10-29T01:08:43Z
2027-08-21 → 2027-08-28Alaska AirlinesAS1342 / AS3059$320.002026-10-29T01:08:43Z
2027-08-21 → 2027-08-28United AirlinesUA2476 / UA1281$330.002026-10-29T01:08:43Z
2027-08-21 → 2027-08-28American AirlinesAA1950 + AA4952 / AA2447 + AA1950$335.002026-10-29T01:08:43Z
2027-08-21 → 2027-08-28Frontier AirlinesF92422 / F92711$180.002026-10-29T01:08:43Z
2027-08-21 → 2027-08-28Southwest AirlinesWN3702 / WN3272$300.002026-10-29T01:08:43Z
2027-08-21 → 2027-08-28Alaska AirlinesAS3060 / AS3059$320.002026-10-29T01:08:43Z
2027-08-21 → 2027-08-28United AirlinesUA682 / UA1281$330.002026-10-29T01:08:43Z
2027-08-21 → 2027-08-28Southwest AirlinesWN3752 + WN4527 / WN3272$310.002026-10-29T01:08:43Z
2027-08-21 → 2027-08-28Southwest AirlinesWN1733 + WN760 / WN3272$310.002026-10-29T01:08:43Z
2027-08-21 → 2027-08-28Southwest AirlinesWN4318 + WN1102 / WN3272$310.002026-10-29T01:08:43Z
2027-08-21 → 2027-08-28Southwest AirlinesWN1409 + WN1053 / WN3272$310.002026-10-29T01:08:43Z
2027-08-21 → 2027-08-28Alaska AirlinesAS2089 + AA4952 / AS3059$335.002026-10-29T01:08:43Z

2027-08-21 → 2027-08-28 · $180.00

  • Frontier Airlines F92818: SAN 2027-08-21 06:36:00 → DEN 2027-08-21 10:10:00; nonstop; 154 minutes. Local airport times.
  • Frontier Airlines F92711: DEN 2027-08-28 22:29:00 → SAN 2027-08-28 23:57:00; nonstop; 148 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $300.00

  • Southwest Airlines WN826: SAN 2027-08-21 15:55:00 → DEN 2027-08-21 19:15:00; nonstop; 140 minutes. Local airport times.
  • Southwest Airlines WN3272: DEN 2027-08-28 11:10:00 → SAN 2027-08-28 12:30:00; nonstop; 140 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $320.00

  • Alaska Airlines AS1342: SAN 2027-08-21 09:28:00 → DEN 2027-08-21 12:57:00; nonstop; 149 minutes. Local airport times.
  • Alaska Airlines AS3059: DEN 2027-08-28 07:02:00 → SAN 2027-08-28 08:46:00; nonstop; 164 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $330.00

  • United Airlines UA2476: SAN 2027-08-21 08:40:00 → DEN 2027-08-21 12:06:00; nonstop; 146 minutes. Local airport times.
  • United Airlines UA1281: DEN 2027-08-28 15:52:00 → SAN 2027-08-28 17:21:00; nonstop; 149 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $335.00

  • American Airlines AA1950 / AA4952: SAN 2027-08-21 16:30:00 → DEN 2027-08-21 22:58:00; 1 stop(s) via PHX; 328 minutes. Local airport times.
    • AA1950: SAN 2027-08-21 16:30:00 → PHX 2027-08-21 17:59:00; layover at PHX: 120 minutes.
    • AA4952: PHX 2027-08-21 19:59:00 → DEN 2027-08-21 22:58:00.
  • American Airlines AA2447 / AA1950: DEN 2027-08-28 12:06:00 → SAN 2027-08-28 15:40:00; 1 stop(s) via PHX; 274 minutes. Local airport times.
    • AA2447: DEN 2027-08-28 12:06:00 → PHX 2027-08-28 13:03:00; layover at PHX: 78 minutes.
    • AA1950: PHX 2027-08-28 14:21:00 → SAN 2027-08-28 15:40:00.

2027-08-21 → 2027-08-28 · $180.00

  • Frontier Airlines F92422: SAN 2027-08-21 17:29:00 → DEN 2027-08-21 21:00:00; nonstop; 151 minutes. Local airport times.
  • Frontier Airlines F92711: DEN 2027-08-28 22:29:00 → SAN 2027-08-28 23:57:00; nonstop; 148 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $300.00

  • Southwest Airlines WN3702: SAN 2027-08-21 21:15:00 → DEN 2027-08-22 00:40:00; nonstop; 145 minutes. Local airport times.
  • Southwest Airlines WN3272: DEN 2027-08-28 11:10:00 → SAN 2027-08-28 12:30:00; nonstop; 140 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $320.00

  • Alaska Airlines AS3060: SAN 2027-08-21 18:01:00 → DEN 2027-08-21 21:39:00; nonstop; 158 minutes. Local airport times.
  • Alaska Airlines AS3059: DEN 2027-08-28 07:02:00 → SAN 2027-08-28 08:46:00; nonstop; 164 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $330.00

  • United Airlines UA682: SAN 2027-08-21 16:18:00 → DEN 2027-08-21 19:45:00; nonstop; 147 minutes. Local airport times.
  • United Airlines UA1281: DEN 2027-08-28 15:52:00 → SAN 2027-08-28 17:21:00; nonstop; 149 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $310.00

  • Southwest Airlines WN3752 / WN4527: SAN 2027-08-21 08:25:00 → DEN 2027-08-21 14:00:00; 1 stop(s) via SLC; 275 minutes. Local airport times.
    • WN3752: SAN 2027-08-21 08:25:00 → SLC 2027-08-21 11:35:00; layover at SLC: 60 minutes.
    • WN4527: SLC 2027-08-21 12:35:00 → DEN 2027-08-21 14:00:00.
  • Southwest Airlines WN3272: DEN 2027-08-28 11:10:00 → SAN 2027-08-28 12:30:00; nonstop; 140 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $310.00

  • Southwest Airlines WN1733 / WN760: SAN 2027-08-21 11:00:00 → DEN 2027-08-21 17:10:00; 1 stop(s) via BOI; 310 minutes. Local airport times.
    • WN1733: SAN 2027-08-21 11:00:00 → BOI 2027-08-21 14:15:00; layover at BOI: 75 minutes.
    • WN760: BOI 2027-08-21 15:30:00 → DEN 2027-08-21 17:10:00.
  • Southwest Airlines WN3272: DEN 2027-08-28 11:10:00 → SAN 2027-08-28 12:30:00; nonstop; 140 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $310.00

  • Southwest Airlines WN4318 / WN1102: SAN 2027-08-21 14:15:00 → DEN 2027-08-21 20:10:00; 1 stop(s) via SMF; 295 minutes. Local airport times.
    • WN4318: SAN 2027-08-21 14:15:00 → SMF 2027-08-21 15:50:00; layover at SMF: 60 minutes.
    • WN1102: SMF 2027-08-21 16:50:00 → DEN 2027-08-21 20:10:00.
  • Southwest Airlines WN3272: DEN 2027-08-28 11:10:00 → SAN 2027-08-28 12:30:00; nonstop; 140 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $310.00

  • Southwest Airlines WN1409 / WN1053: SAN 2027-08-21 18:20:00 → DEN 2027-08-21 23:35:00; 1 stop(s) via LAS; 255 minutes. Local airport times.
    • WN1409: SAN 2027-08-21 18:20:00 → LAS 2027-08-21 19:40:00; layover at LAS: 60 minutes.
    • WN1053: LAS 2027-08-21 20:40:00 → DEN 2027-08-21 23:35:00.
  • Southwest Airlines WN3272: DEN 2027-08-28 11:10:00 → SAN 2027-08-28 12:30:00; nonstop; 140 minutes. Local airport times.

2027-08-21 → 2027-08-28 · $335.00

  • Alaska Airlines AS2089 / AA4952: SAN 2027-08-21 17:19:00 → DEN 2027-08-21 22:58:00; 1 stop(s) via PHX; 279 minutes. Local airport times.
    • AS2089: SAN 2027-08-21 17:19:00 → PHX 2027-08-21 18:40:00; layover at PHX: 79 minutes.
    • AA4952: PHX 2027-08-21 19:59:00 → DEN 2027-08-21 22:58:00.
  • Alaska Airlines AS3059: DEN 2027-08-28 07:02:00 → SAN 2027-08-28 08:46:00; nonstop; 164 minutes. Local airport times.

More dates for this route