Billings (BIL) to Denver (DEN), Dec 25–27, 2026: from $220 one way

Billings (BIL) to Denver (DEN), Dec 25–27, 2026: from $220 one way on Axel, checked Oct 29, 2026. Lowest published fare: $220 one way, Axel-exclusive, United Airlines, nonstop, Dec 25, 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: Billings to Denver (DEN) flight deals

2026-12-25 · one way · Axel-exclusive $219.70

• United Airlines UA372: BIL 2026-12-25 07:00:00 → DEN 2026-12-25 08:46:00; nonstop; 106 minutes. Local airport times.

2026-12-27 · one way · Axel-exclusive $258.70

• Delta Air Lines DL1360 / DL1317: BIL 2026-12-27 05:35:00 → DEN 2026-12-27 09:43:00; 1 stop(s) via SLC; 248 minutes. Local airport times.
  • DL1360: BIL 2026-12-27 05:35:00 → SLC 2026-12-27 06:59:00; layover at SLC: 61 minutes.
  • DL1317: SLC 2026-12-27 08:00:00 → DEN 2026-12-27 09:43:00.

2026-12-26 · one way · Axel-exclusive $219.70

• United Airlines UA372: BIL 2026-12-26 07:00:00 → DEN 2026-12-26 08:46:00; nonstop; 106 minutes. Local airport times.

2026-12-27 · one way · Axel-exclusive $219.70

• United Airlines UA5277: BIL 2026-12-27 16:04:00 → DEN 2026-12-27 17:56:00; nonstop; 112 minutes. Local airport times.

2026-12-25 · one way · Axel-exclusive $219.70

• United Airlines UA4643: BIL 2026-12-25 17:50:00 → DEN 2026-12-25 19:45:00; nonstop; 115 minutes. Local airport times.

2026-12-27 · one way · Axel-exclusive $219.70

• United Airlines UA372: BIL 2026-12-27 07:00:00 → DEN 2026-12-27 08:41:00; nonstop; 101 minutes. Local airport times.

2026-12-26 · one way · Axel-exclusive $219.70

• United Airlines UA4643: BIL 2026-12-26 17:50:00 → DEN 2026-12-26 19:45:00; nonstop; 115 minutes. Local airport times.

2026-12-25 · one way · Axel-exclusive $258.70

• Delta Air Lines DL1360 / DL1317: BIL 2026-12-25 05:35:00 → DEN 2026-12-25 09:43:00; 1 stop(s) via SLC; 248 minutes. Local airport times.
  • DL1360: BIL 2026-12-25 05:35:00 → SLC 2026-12-25 06:59:00; layover at SLC: 61 minutes.
  • DL1317: SLC 2026-12-25 08:00:00 → DEN 2026-12-25 09:43:00.

2026-12-26 · one way · Axel-exclusive $258.70

• Delta Air Lines DL1360 / DL1317: BIL 2026-12-26 05:35:00 → DEN 2026-12-26 09:43:00; 1 stop(s) via SLC; 248 minutes. Local airport times.
  • DL1360: BIL 2026-12-26 05:35:00 → SLC 2026-12-26 06:59:00; layover at SLC: 61 minutes.
  • DL1317: SLC 2026-12-26 08:00:00 → DEN 2026-12-26 09:43:00.

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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