Philadelphia (PHL) to Denver (DEN), Nov 20–22, 2026: from $85 one way

Philadelphia (PHL) to Denver (DEN), Nov 20–22, 2026: from $85 one way on Axel, checked Oct 29, 2026. Lowest published fare: $85 one way, Axel-exclusive, Frontier Airlines, nonstop, Nov 20, 2026, 1 adult, economy, checked Oct 29, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Route overview: Philadelphia to Denver (DEN) flight deals

2026-11-20 · one way · Axel-exclusive $85.00

• Frontier Airlines F91876: PHL 2026-11-20 20:38:00 → DEN 2026-11-20 23:04:00; nonstop; 266 minutes. Local airport times.

2026-11-20 · one way · Axel-exclusive $155.00

• Southwest Airlines WN1270: PHL 2026-11-20 17:15:00 → DEN 2026-11-20 19:25:00; nonstop; 250 minutes. Local airport times.

2026-11-20 · one way · Axel-exclusive $165.00

• American Airlines AA1003: PHL 2026-11-20 19:10:00 → DEN 2026-11-20 21:47:00; nonstop; 277 minutes. Local airport times.

2026-11-20 · one way · Axel-exclusive $170.00

• United Airlines UA2377: PHL 2026-11-20 15:35:00 → DEN 2026-11-20 17:57:00; nonstop; 262 minutes. Local airport times.

2026-11-20 · one way · Axel-exclusive $175.00

• Delta Air Lines DL2791 / DL2849: PHL 2026-11-20 05:34:00 → DEN 2026-11-20 10:03:00; 1 stop(s) via MSP; 389 minutes. Local airport times.
  • DL2791: PHL 2026-11-20 05:34:00 → MSP 2026-11-20 07:35:00; layover at MSP: 75 minutes.
  • DL2849: MSP 2026-11-20 08:50:00 → DEN 2026-11-20 10:03:00.

2026-11-21 · one way · Axel-exclusive $114.75

• Frontier Airlines F91876: PHL 2026-11-21 20:19:00 → DEN 2026-11-21 22:36:00; nonstop; 257 minutes. Local airport times.

2026-11-22 · one way · Axel-exclusive $114.75

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

2026-11-20 · one way · Axel-exclusive $155.00

• Southwest Airlines WN3367: PHL 2026-11-20 05:00:00 → DEN 2026-11-20 07:15:00; nonstop; 255 minutes. Local airport times.

2026-11-20 · one way · Axel-exclusive $165.00

• American Airlines AA1313: PHL 2026-11-20 08:55:00 → DEN 2026-11-20 11:21:00; nonstop; 266 minutes. Local airport times.

2026-11-20 · one way · Axel-exclusive $170.00

• United Airlines UA323: PHL 2026-11-20 07:41:00 → DEN 2026-11-20 10:01:00; nonstop; 260 minutes. Local airport times.

2026-11-22 · one way · Axel-exclusive $209.25

• Southwest Airlines WN1270: PHL 2026-11-22 17:15:00 → DEN 2026-11-22 19:25:00; nonstop; 250 minutes. Local airport times.

2026-11-21 · one way · Axel-exclusive $209.25

• Southwest Airlines WN1270: PHL 2026-11-21 17:15:00 → DEN 2026-11-21 19:25:00; nonstop; 250 minutes. Local airport times.

2026-11-22 · one way · Axel-exclusive $209.25

• Southwest Airlines WN3367: PHL 2026-11-22 05:00:00 → DEN 2026-11-22 07:15:00; nonstop; 255 minutes. Local airport times.

2026-11-21 · one way · Axel-exclusive $209.25

• Southwest Airlines WN3367: PHL 2026-11-21 05:00:00 → DEN 2026-11-21 07:15:00; nonstop; 255 minutes. Local airport times.

2026-11-22 · one way · Axel-exclusive $222.75

• American Airlines AA1003: PHL 2026-11-22 19:10:00 → DEN 2026-11-22 21:47:00; nonstop; 277 minutes. Local airport times.

2026-11-21 · one way · Axel-exclusive $222.75

• American Airlines AA1313: PHL 2026-11-21 08:55:00 → DEN 2026-11-21 11:21:00; nonstop; 266 minutes. Local airport times.

2026-11-22 · one way · Axel-exclusive $222.75

• American Airlines AA1313: PHL 2026-11-22 08:52:00 → DEN 2026-11-22 11:23:00; nonstop; 271 minutes. Local airport times.

2026-11-21 · one way · Axel-exclusive $222.75

• American Airlines AA1003: PHL 2026-11-21 19:10:00 → DEN 2026-11-21 21:47:00; nonstop; 277 minutes. Local airport times.

2026-11-22 · one way · Axel-exclusive $229.50

• United Airlines UA323: PHL 2026-11-22 07:45:00 → DEN 2026-11-22 10:05:00; nonstop; 260 minutes. Local airport times.

2026-11-22 · one way · Axel-exclusive $229.50

• United Airlines UA2411: PHL 2026-11-22 15:25:00 → DEN 2026-11-22 17:45:00; nonstop; 260 minutes. Local airport times.

2026-11-21 · one way · Axel-exclusive $229.50

• United Airlines UA2411: PHL 2026-11-21 15:25:00 → DEN 2026-11-21 17:45:00; nonstop; 260 minutes. Local airport times.

2026-11-21 · one way · Axel-exclusive $229.50

• United Airlines UA1537: PHL 2026-11-21 09:45:00 → DEN 2026-11-21 12:12:00; nonstop; 267 minutes. Local airport times.

2026-11-20 · one way · Axel-exclusive $100.00

• Frontier Airlines F91101 / F93599: PHL 2026-11-20 16:38:00 → DEN 2026-11-20 21:57:00; 1 stop(s) via ATL; 439 minutes. Local airport times.
  • F91101: PHL 2026-11-20 16:38:00 → ATL 2026-11-20 19:04:00; layover at ATL: 70 minutes.
  • F93599: ATL 2026-11-20 20:14:00 → DEN 2026-11-20 21:57:00.

2026-11-21 · one way · Axel-exclusive $135.00

• Frontier Airlines F91101 / F93599: PHL 2026-11-21 16:38:00 → DEN 2026-11-21 21:57:00; 1 stop(s) via ATL; 439 minutes. Local airport times.
  • F91101: PHL 2026-11-21 16:38:00 → ATL 2026-11-21 19:04:00; layover at ATL: 70 minutes.
  • F93599: ATL 2026-11-21 20:14:00 → DEN 2026-11-21 21:57:00.

2026-11-22 · one way · Axel-exclusive $135.00

• Frontier Airlines F91101 / F93599: PHL 2026-11-22 16:38:00 → DEN 2026-11-22 21:57:00; 1 stop(s) via ATL; 439 minutes. Local airport times.
  • F91101: PHL 2026-11-22 16:38:00 → ATL 2026-11-22 19:04:00; layover at ATL: 70 minutes.
  • F93599: ATL 2026-11-22 20:14:00 → DEN 2026-11-22 21:57:00.

2026-11-20 · one way · Axel-exclusive $145.00

• Southwest Airlines WN2080 / WN237: PHL 2026-11-20 14:55:00 → DEN 2026-11-20 19:25:00; 1 stop(s) via BNA; 390 minutes. Local airport times.
  • WN2080: PHL 2026-11-20 14:55:00 → BNA 2026-11-20 16:10:00; layover at BNA: 85 minutes.
  • WN237: BNA 2026-11-20 17:35:00 → DEN 2026-11-20 19:25:00.

2026-11-20 · one way · Axel-exclusive $145.00

• Southwest Airlines WN1424 / WN4143: PHL 2026-11-20 14:45:00 → DEN 2026-11-20 19:10:00; 1 stop(s) via STL; 385 minutes. Local airport times.
  • WN1424: PHL 2026-11-20 14:45:00 → STL 2026-11-20 16:20:00; layover at STL: 85 minutes.
  • WN4143: STL 2026-11-20 17:45:00 → DEN 2026-11-20 19:10:00.

2026-11-20 · one way · Axel-exclusive $145.00

• Southwest Airlines WN2200 / WN4606: PHL 2026-11-20 11:45:00 → DEN 2026-11-20 16:15:00; 1 stop(s) via MDW; 390 minutes. Local airport times.
  • WN2200: PHL 2026-11-20 11:45:00 → MDW 2026-11-20 13:00:00; layover at MDW: 95 minutes.
  • WN4606: MDW 2026-11-20 14:35:00 → DEN 2026-11-20 16:15:00.

2026-11-20 · one way · Axel-exclusive $145.00

• Southwest Airlines WN266 / WN528: PHL 2026-11-20 17:05:00 → DEN 2026-11-20 22:10:00; 1 stop(s) via DAL; 425 minutes. Local airport times.
  • WN266: PHL 2026-11-20 17:05:00 → DAL 2026-11-20 19:30:00; layover at DAL: 95 minutes.
  • WN528: DAL 2026-11-20 21:05:00 → DEN 2026-11-20 22:10:00.

2026-11-22 · one way · Axel-exclusive $195.75

• Southwest Airlines WN2080 / WN237: PHL 2026-11-22 14:55:00 → DEN 2026-11-22 19:25:00; 1 stop(s) via BNA; 390 minutes. Local airport times.
  • WN2080: PHL 2026-11-22 14:55:00 → BNA 2026-11-22 16:10:00; layover at BNA: 85 minutes.
  • WN237: BNA 2026-11-22 17:35:00 → DEN 2026-11-22 19:25:00.

2026-11-22 · one way · Axel-exclusive $195.75

• Southwest Airlines WN1424 / WN4143: PHL 2026-11-22 14:45:00 → DEN 2026-11-22 19:10:00; 1 stop(s) via STL; 385 minutes. Local airport times.
  • WN1424: PHL 2026-11-22 14:45:00 → STL 2026-11-22 16:20:00; layover at STL: 85 minutes.
  • WN4143: STL 2026-11-22 17:45:00 → DEN 2026-11-22 19:10:00.

2026-11-22 · one way · Axel-exclusive $195.75

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

2026-11-22 · one way · Axel-exclusive $195.75

• Southwest Airlines WN266 / WN528: PHL 2026-11-22 17:05:00 → DEN 2026-11-22 22:10:00; 1 stop(s) via DAL; 425 minutes. Local airport times.
  • WN266: PHL 2026-11-22 17:05:00 → DAL 2026-11-22 19:30:00; layover at DAL: 95 minutes.
  • WN528: DAL 2026-11-22 21:05:00 → DEN 2026-11-22 22:10:00.

2026-11-21 · one way · Axel-exclusive $195.75

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

2026-11-21 · one way · Axel-exclusive $195.75

• Southwest Airlines WN2080 / WN237: PHL 2026-11-21 14:55:00 → DEN 2026-11-21 19:25:00; 1 stop(s) via BNA; 390 minutes. Local airport times.
  • WN2080: PHL 2026-11-21 14:55:00 → BNA 2026-11-21 16:10:00; layover at BNA: 85 minutes.
  • WN237: BNA 2026-11-21 17:35:00 → DEN 2026-11-21 19:25:00.

2026-11-21 · one way · Axel-exclusive $195.75

• Southwest Airlines WN1424 / WN4143: PHL 2026-11-21 14:45:00 → DEN 2026-11-21 19:10:00; 1 stop(s) via STL; 385 minutes. Local airport times.
  • WN1424: PHL 2026-11-21 14:45:00 → STL 2026-11-21 16:20:00; layover at STL: 85 minutes.
  • WN4143: STL 2026-11-21 17:45:00 → DEN 2026-11-21 19:10:00.

2026-11-21 · one way · Axel-exclusive $195.75

• Southwest Airlines WN266 / WN528: PHL 2026-11-21 17:05:00 → DEN 2026-11-21 22:10:00; 1 stop(s) via DAL; 425 minutes. Local airport times.
  • WN266: PHL 2026-11-21 17:05:00 → DAL 2026-11-21 19:30:00; layover at DAL: 95 minutes.
  • WN528: DAL 2026-11-21 21:05:00 → DEN 2026-11-21 22:10:00.

2026-11-22 · one way · Axel-exclusive $236.25

• Delta Air Lines DL2791 / DL2849: PHL 2026-11-22 05:34:00 → DEN 2026-11-22 10:03:00; 1 stop(s) via MSP; 389 minutes. Local airport times.
  • DL2791: PHL 2026-11-22 05:34:00 → MSP 2026-11-22 07:35:00; layover at MSP: 75 minutes.
  • DL2849: MSP 2026-11-22 08:50:00 → DEN 2026-11-22 10:03:00.

2026-11-21 · one way · Axel-exclusive $236.25

• Delta Air Lines DL2791 / DL2849: PHL 2026-11-21 05:34:00 → DEN 2026-11-21 10:03:00; 1 stop(s) via MSP; 389 minutes. Local airport times.
  • DL2791: PHL 2026-11-21 05:34:00 → MSP 2026-11-21 07:35:00; layover at MSP: 75 minutes.
  • DL2849: MSP 2026-11-21 08:50:00 → DEN 2026-11-21 10:03:00.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

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