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Philadelphia → Denver

Dec 19, 2026 · return Dec 22, 2026

PHL → DEN1 adulteconomyRound trip

13 flight options · 5 airlines

Nonstop flights

Sat, Dec 19 – Tue, Dec 22

Frontier Airlines
8:19 pmPHL
4h 17m
Nonstop
10:36 pmDEN
Frontier Airlines
11:31 pmDEN
3h 40m
Nonstop
5:11 am+1PHL

Round-trip total · 1 adult · Taxes included

Sat, Dec 19 – Tue, Dec 22

Southwest Airlines
5:00 amPHL
4h 15m
Nonstop
7:15 amDEN
Southwest Airlines
10:50 amDEN
3h 25m
Nonstop
4:15 pmPHL

Round-trip total · 1 adult · Taxes included

Sat, Dec 19 – Tue, Dec 22

American Airlines
8:55 amPHL
4h 26m
Nonstop
11:21 amDEN
American Airlines
3:04 pmDEN
3h 30m
Nonstop
8:34 pmPHL

Round-trip total · 1 adult · Taxes included

Sat, Dec 19 – Tue, Dec 22

United Airlines
3:25 pmPHL
4h 20m
Nonstop
5:45 pmDEN
United Airlines
2:00 pmDEN
3h 31m
Nonstop
7:31 pmPHL

Round-trip total · 1 adult · Taxes included

Sat, Dec 19 – Tue, Dec 22

Southwest Airlines
5:15 pmPHL
4h 10m
Nonstop
7:25 pmDEN
Southwest Airlines
10:50 amDEN
3h 25m
Nonstop
4:15 pmPHL

Round-trip total · 1 adult · Taxes included

Sat, Dec 19 – Tue, Dec 22

American Airlines
7:10 pmPHL
4h 37m
Nonstop
9:47 pmDEN
American Airlines
3:04 pmDEN
3h 30m
Nonstop
8:34 pmPHL

Round-trip total · 1 adult · Taxes included

Sat, Dec 19 – Tue, Dec 22

United Airlines
9:45 amPHL
4h 27m
Nonstop
12:12 pmDEN
United Airlines
2:00 pmDEN
3h 31m
Nonstop
7:31 pmPHL

Round-trip total · 1 adult · Taxes included

One-stop flights

Sat, Dec 19 – Tue, Dec 22

Delta Air Lines
5:34 amPHL
6h 29m
MSP · 1h 15m
10:03 amDEN
Delta Air Lines
10:46 amDEN
5h 46m
ATL · 1h 1m
6:32 pmPHL

Round-trip total · 1 adult · Taxes included

Sat, Dec 19 – Tue, Dec 22

Frontier Airlines
8:38 pmPHL
4h 26m
Nonstop
11:04 pmDEN
Frontier Airlines
8:59 amDEN
5h 44m
DTW · 1h 13m
4:43 pmPHL

Round-trip total · 1 adult · Taxes included

Sat, Dec 19 – Tue, Dec 22

Southwest Airlines
5:05 pmPHL
7h 5m
DAL · 1h 35m
10:10 pmDEN
Southwest Airlines
10:50 amDEN
3h 25m
Nonstop
4:15 pmPHL

Round-trip total · 1 adult · Taxes included

Sat, Dec 19 – Tue, Dec 22

Southwest Airlines
11:45 amPHL
6h 30m
MDW · 1h 35m
4:15 pmDEN
Southwest Airlines
10:50 amDEN
3h 25m
Nonstop
4:15 pmPHL

Round-trip total · 1 adult · Taxes included

Sat, Dec 19 – Tue, Dec 22

Southwest Airlines
2:55 pmPHL
6h 30m
BNA · 1h 25m
7:25 pmDEN
Southwest Airlines
10:50 amDEN
3h 25m
Nonstop
4:15 pmPHL

Round-trip total · 1 adult · Taxes included

Sat, Dec 19 – Tue, Dec 22

Southwest Airlines
2:45 pmPHL
6h 25m
STL · 1h 25m
7:10 pmDEN
Southwest Airlines
10:50 amDEN
3h 25m
Nonstop
4:15 pmPHL

Round-trip total · 1 adult · Taxes included

Make this trip yours

PHL ⇄ 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 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)
2026-12-19 → 2026-12-22Frontier AirlinesF91876 / F91776$224.002026-10-29T01:55:41Z
2026-12-19 → 2026-12-22Southwest AirlinesWN3367 / WN1747$413.002026-10-29T01:55:41Z
2026-12-19 → 2026-12-22American AirlinesAA1313 / AA1121$434.002026-10-29T01:55:41Z
2026-12-19 → 2026-12-22United AirlinesUA2411 / UA2787$448.002026-10-29T01:55:41Z
2026-12-19 → 2026-12-22Delta Air LinesDL2791 + DL2849 / DL346 + DL1329$462.002026-10-29T01:55:41Z
2026-12-19 → 2026-12-22Southwest AirlinesWN1270 / WN1747$413.002026-10-29T01:55:41Z
2026-12-19 → 2026-12-22American AirlinesAA1003 / AA1121$434.002026-10-29T01:55:41Z
2026-12-19 → 2026-12-22United AirlinesUA1537 / UA2787$448.002026-10-29T01:55:41Z
2026-12-19 → 2026-12-22Frontier AirlinesF91876 / F93566 + F92022$245.002026-10-29T01:55:41Z
2026-12-19 → 2026-12-22Southwest AirlinesWN266 + WN528 / WN1747$399.002026-10-29T01:55:41Z
2026-12-19 → 2026-12-22Southwest AirlinesWN2200 + WN4606 / WN1747$399.002026-10-29T01:55:41Z
2026-12-19 → 2026-12-22Southwest AirlinesWN2080 + WN237 / WN1747$399.002026-10-29T01:55:41Z
2026-12-19 → 2026-12-22Southwest AirlinesWN1424 + WN4143 / WN1747$399.002026-10-29T01:55:41Z

2026-12-19 → 2026-12-22 · $224.00

  • Frontier Airlines F91876: PHL 2026-12-19 20:19:00 → DEN 2026-12-19 22:36:00; nonstop; 257 minutes. Local airport times.
  • Frontier Airlines F91776: DEN 2026-12-22 23:31:00 → PHL 2026-12-23 05:11:00; nonstop; 220 minutes. Local airport times.

2026-12-19 → 2026-12-22 · $413.00

  • Southwest Airlines WN3367: PHL 2026-12-19 05:00:00 → DEN 2026-12-19 07:15:00; nonstop; 255 minutes. Local airport times.
  • Southwest Airlines WN1747: DEN 2026-12-22 10:50:00 → PHL 2026-12-22 16:15:00; nonstop; 205 minutes. Local airport times.

2026-12-19 → 2026-12-22 · $434.00

  • American Airlines AA1313: PHL 2026-12-19 08:55:00 → DEN 2026-12-19 11:21:00; nonstop; 266 minutes. Local airport times.
  • American Airlines AA1121: DEN 2026-12-22 15:04:00 → PHL 2026-12-22 20:34:00; nonstop; 210 minutes. Local airport times.

2026-12-19 → 2026-12-22 · $448.00

  • United Airlines UA2411: PHL 2026-12-19 15:25:00 → DEN 2026-12-19 17:45:00; nonstop; 260 minutes. Local airport times.
  • United Airlines UA2787: DEN 2026-12-22 14:00:00 → PHL 2026-12-22 19:31:00; nonstop; 211 minutes. Local airport times.

2026-12-19 → 2026-12-22 · $462.00

  • Delta Air Lines DL2791 / DL2849: PHL 2026-12-19 05:34:00 → DEN 2026-12-19 10:03:00; 1 stop(s) via MSP; 389 minutes. Local airport times.
    • DL2791: PHL 2026-12-19 05:34:00 → MSP 2026-12-19 07:35:00; layover at MSP: 75 minutes.
    • DL2849: MSP 2026-12-19 08:50:00 → DEN 2026-12-19 10:03:00.
  • Delta Air Lines DL346 / DL1329: DEN 2026-12-22 10:46:00 → PHL 2026-12-22 18:32:00; 1 stop(s) via ATL; 346 minutes. Local airport times.
    • DL346: DEN 2026-12-22 10:46:00 → ATL 2026-12-22 15:33:00; layover at ATL: 61 minutes.
    • DL1329: ATL 2026-12-22 16:34:00 → PHL 2026-12-22 18:32:00.

2026-12-19 → 2026-12-22 · $413.00

  • Southwest Airlines WN1270: PHL 2026-12-19 17:15:00 → DEN 2026-12-19 19:25:00; nonstop; 250 minutes. Local airport times.
  • Southwest Airlines WN1747: DEN 2026-12-22 10:50:00 → PHL 2026-12-22 16:15:00; nonstop; 205 minutes. Local airport times.

2026-12-19 → 2026-12-22 · $434.00

  • American Airlines AA1003: PHL 2026-12-19 19:10:00 → DEN 2026-12-19 21:47:00; nonstop; 277 minutes. Local airport times.
  • American Airlines AA1121: DEN 2026-12-22 15:04:00 → PHL 2026-12-22 20:34:00; nonstop; 210 minutes. Local airport times.

2026-12-19 → 2026-12-22 · $448.00

  • United Airlines UA1537: PHL 2026-12-19 09:45:00 → DEN 2026-12-19 12:12:00; nonstop; 267 minutes. Local airport times.
  • United Airlines UA2787: DEN 2026-12-22 14:00:00 → PHL 2026-12-22 19:31:00; nonstop; 211 minutes. Local airport times.

2026-12-19 → 2026-12-22 · $245.00

  • Frontier Airlines F91876: PHL 2026-12-19 20:38:00 → DEN 2026-12-19 23:04:00; nonstop; 266 minutes. Local airport times.
  • Frontier Airlines F93566 / F92022: DEN 2026-12-22 08:59:00 → PHL 2026-12-22 16:43:00; 1 stop(s) via DTW; 344 minutes. Local airport times.
    • F93566: DEN 2026-12-22 08:59:00 → DTW 2026-12-22 13:48:00; layover at DTW: 73 minutes.
    • F92022: DTW 2026-12-22 15:01:00 → PHL 2026-12-22 16:43:00.

2026-12-19 → 2026-12-22 · $399.00

  • Southwest Airlines WN266 / WN528: PHL 2026-12-19 17:05:00 → DEN 2026-12-19 22:10:00; 1 stop(s) via DAL; 425 minutes. Local airport times.
    • WN266: PHL 2026-12-19 17:05:00 → DAL 2026-12-19 19:30:00; layover at DAL: 95 minutes.
    • WN528: DAL 2026-12-19 21:05:00 → DEN 2026-12-19 22:10:00.
  • Southwest Airlines WN1747: DEN 2026-12-22 10:50:00 → PHL 2026-12-22 16:15:00; nonstop; 205 minutes. Local airport times.

2026-12-19 → 2026-12-22 · $399.00

  • Southwest Airlines WN2200 / WN4606: PHL 2026-12-19 11:45:00 → DEN 2026-12-19 16:15:00; 1 stop(s) via MDW; 390 minutes. Local airport times.
    • WN2200: PHL 2026-12-19 11:45:00 → MDW 2026-12-19 13:00:00; layover at MDW: 95 minutes.
    • WN4606: MDW 2026-12-19 14:35:00 → DEN 2026-12-19 16:15:00.
  • Southwest Airlines WN1747: DEN 2026-12-22 10:50:00 → PHL 2026-12-22 16:15:00; nonstop; 205 minutes. Local airport times.

2026-12-19 → 2026-12-22 · $399.00

  • Southwest Airlines WN2080 / WN237: PHL 2026-12-19 14:55:00 → DEN 2026-12-19 19:25:00; 1 stop(s) via BNA; 390 minutes. Local airport times.
    • WN2080: PHL 2026-12-19 14:55:00 → BNA 2026-12-19 16:10:00; layover at BNA: 85 minutes.
    • WN237: BNA 2026-12-19 17:35:00 → DEN 2026-12-19 19:25:00.
  • Southwest Airlines WN1747: DEN 2026-12-22 10:50:00 → PHL 2026-12-22 16:15:00; nonstop; 205 minutes. Local airport times.

2026-12-19 → 2026-12-22 · $399.00

  • Southwest Airlines WN1424 / WN4143: PHL 2026-12-19 14:45:00 → DEN 2026-12-19 19:10:00; 1 stop(s) via STL; 385 minutes. Local airport times.
    • WN1424: PHL 2026-12-19 14:45:00 → STL 2026-12-19 16:20:00; layover at STL: 85 minutes.
    • WN4143: STL 2026-12-19 17:45:00 → DEN 2026-12-19 19:10:00.
  • Southwest Airlines WN1747: DEN 2026-12-22 10:50:00 → PHL 2026-12-22 16:15:00; nonstop; 205 minutes. Local airport times.

More dates for this route