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Sidney → Billings

Dec 21, 2026 · return Dec 27, 2026

SDY → BIL1 adulteconomyRound trip

1 flight options · 1 airline

Nonstop flights

Mon, Dec 21 – Sun, Dec 27

9K
7:35 amSDY
1h 50m
Nonstop
9:25 amBIL
9K
12:38 pmBIL
1h 38m
Nonstop
2:16 pmSDY

Round-trip total · 1 adult · Taxes included

Make this trip yours

SDY ⇄ BIL

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 24, 2026 → Nov 29, 2026Dec 22, 2026 → Dec 27, 2026Dec 30, 2026 → Jan 2, 2027Jan 15, 2027 → Jan 18, 2027Oct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Jan 22, 2027 → Jan 25, 2027Oct 30, 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 → 2026-12-279K9K1778 / 9K1781$136.402026-10-29T01:14:24Z

2026-12-21 → 2026-12-27 · $136.40

  • 9K 9K1778: SDY 2026-12-21 07:35:00 → BIL 2026-12-21 09:25:00; nonstop; 110 minutes. Local airport times.
  • 9K 9K1781: BIL 2026-12-27 12:38:00 → SDY 2026-12-27 14:16:00; nonstop; 98 minutes. Local airport times.

More dates for this route