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Philadelphia → Denver

Dec 21, 2026 · one way

PHL → DEN1 adulteconomyOne way

13 flight options · 5 airlines

Nonstop flights

Mon, Dec 21 · One way

Frontier Airlines
8:19 pmPHL
4h 17m
Nonstop
10:36 pmDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

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

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

American Airlines
8:42 amPHL
4h 31m
Nonstop
11:13 amDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
3:35 pmPHL
4h 22m
Nonstop
5:57 pmDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
5:00 amPHL
4h 20m
Nonstop
7:20 amDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

American Airlines
7:10 pmPHL
4h 37m
Nonstop
9:47 pmDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

United Airlines
9:55 amPHL
4h 20m
Nonstop
12:15 pmDEN

One-way total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 · One way

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

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Frontier Airlines
4:38 pmPHL
7h 19m
ATL · 1h 10m
9:57 pmDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
5:05 pmPHL
7h 5m
DAL · 1h 35m
10:10 pmDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
2:55 pmPHL
6h 30m
BNA · 1h 25m
7:25 pmDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
11:45 amPHL
6h 30m
MDW · 1h 35m
4:15 pmDEN

One-way total · 1 adult · Taxes included

Mon, Dec 21 · One way

Southwest Airlines
2:45 pmPHL
6h 25m
STL · 1h 25m
7:10 pmDEN

One-way 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)
2026-12-21 · one wayFrontier AirlinesF91876$119.002026-10-29T01:55:41Z
2026-12-21 · one waySouthwest AirlinesWN1270$217.002026-10-29T01:55:41Z
2026-12-21 · one wayAmerican AirlinesAA1313$231.002026-10-29T01:55:41Z
2026-12-21 · one wayUnited AirlinesUA2377$238.002026-10-29T01:55:41Z
2026-12-21 · one wayDelta Air LinesDL2791 + DL2849$245.002026-10-29T01:55:41Z
2026-12-21 · one waySouthwest AirlinesWN1639$217.002026-10-29T01:55:41Z
2026-12-21 · one wayAmerican AirlinesAA1003$231.002026-10-29T01:55:41Z
2026-12-21 · one wayUnited AirlinesUA1281$238.002026-10-29T01:55:41Z
2026-12-21 · one wayFrontier AirlinesF91101 + F93599$140.002026-10-29T01:55:41Z
2026-12-21 · one waySouthwest AirlinesWN266 + WN528$203.002026-10-29T01:55:41Z
2026-12-21 · one waySouthwest AirlinesWN2080 + WN237$203.002026-10-29T01:55:41Z
2026-12-21 · one waySouthwest AirlinesWN2200 + WN4606$203.002026-10-29T01:55:41Z
2026-12-21 · one waySouthwest AirlinesWN1424 + WN4143$203.002026-10-29T01:55:41Z

2026-12-21 · one way · $119.00

  • Frontier Airlines F91876: PHL 2026-12-21 20:19:00 → DEN 2026-12-21 22:36:00; nonstop; 257 minutes. Local airport times.

2026-12-21 · one way · $217.00

  • Southwest Airlines WN1270: PHL 2026-12-21 17:15:00 → DEN 2026-12-21 19:25:00; nonstop; 250 minutes. Local airport times.

2026-12-21 · one way · $231.00

  • American Airlines AA1313: PHL 2026-12-21 08:42:00 → DEN 2026-12-21 11:13:00; nonstop; 271 minutes. Local airport times.

2026-12-21 · one way · $238.00

  • United Airlines UA2377: PHL 2026-12-21 15:35:00 → DEN 2026-12-21 17:57:00; nonstop; 262 minutes. Local airport times.

2026-12-21 · one way · $245.00

  • Delta Air Lines DL2791 / DL2849: PHL 2026-12-21 05:34:00 → DEN 2026-12-21 10:03:00; 1 stop(s) via MSP; 389 minutes. Local airport times.
    • DL2791: PHL 2026-12-21 05:34:00 → MSP 2026-12-21 07:35:00; layover at MSP: 75 minutes.
    • DL2849: MSP 2026-12-21 08:50:00 → DEN 2026-12-21 10:03:00.

2026-12-21 · one way · $217.00

  • Southwest Airlines WN1639: PHL 2026-12-21 05:00:00 → DEN 2026-12-21 07:20:00; nonstop; 260 minutes. Local airport times.

2026-12-21 · one way · $231.00

  • American Airlines AA1003: PHL 2026-12-21 19:10:00 → DEN 2026-12-21 21:47:00; nonstop; 277 minutes. Local airport times.

2026-12-21 · one way · $238.00

  • United Airlines UA1281: PHL 2026-12-21 09:55:00 → DEN 2026-12-21 12:15:00; nonstop; 260 minutes. Local airport times.

2026-12-21 · one way · $140.00

  • Frontier Airlines F91101 / F93599: PHL 2026-12-21 16:38:00 → DEN 2026-12-21 21:57:00; 1 stop(s) via ATL; 439 minutes. Local airport times.
    • F91101: PHL 2026-12-21 16:38:00 → ATL 2026-12-21 19:04:00; layover at ATL: 70 minutes.
    • F93599: ATL 2026-12-21 20:14:00 → DEN 2026-12-21 21:57:00.

2026-12-21 · one way · $203.00

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

2026-12-21 · one way · $203.00

  • Southwest Airlines WN2080 / WN237: PHL 2026-12-21 14:55:00 → DEN 2026-12-21 19:25:00; 1 stop(s) via BNA; 390 minutes. Local airport times.
    • WN2080: PHL 2026-12-21 14:55:00 → BNA 2026-12-21 16:10:00; layover at BNA: 85 minutes.
    • WN237: BNA 2026-12-21 17:35:00 → DEN 2026-12-21 19:25:00.

2026-12-21 · one way · $203.00

  • Southwest Airlines WN2200 / WN4606: PHL 2026-12-21 11:45:00 → DEN 2026-12-21 16:15:00; 1 stop(s) via MDW; 390 minutes. Local airport times.
    • WN2200: PHL 2026-12-21 11:45:00 → MDW 2026-12-21 13:00:00; layover at MDW: 95 minutes.
    • WN4606: MDW 2026-12-21 14:35:00 → DEN 2026-12-21 16:15:00.

2026-12-21 · one way · $203.00

  • Southwest Airlines WN1424 / WN4143: PHL 2026-12-21 14:45:00 → DEN 2026-12-21 19:10:00; 1 stop(s) via STL; 385 minutes. Local airport times.
    • WN1424: PHL 2026-12-21 14:45:00 → STL 2026-12-21 16:20:00; layover at STL: 85 minutes.
    • WN4143: STL 2026-12-21 17:45:00 → DEN 2026-12-21 19:10:00.

More dates for this route