Cheap Flights from COS

Updated: 2026-02-26

Domestic Deals

Houston Intercontinental (IAH)

2026-04-20–2026-04-28 • United • $280 — Save $133 (~23%) Book

2026-04-09–2026-04-15 • United • $280 — Save $133 (~23%) Book

2026-04-27–2026-05-05 • United • $280 — Save $133 (~23%) Book

Cincinnati (CVG)

2026-03-30–2026-04-07 • United • $378 — Save $114 (~19%) Book

Washington National (DCA)

2026-04-18–2026-04-25 • United • $297 — Save $203 (~35%) Book

2026-04-25–2026-05-02 • United • $297 — Save $203 (~35%) Book

2026-04-11–2026-04-18 • United • $297 — Save $203 (~35%) Book

Raleigh-Durham (RDU)

2026-04-13–2026-04-22 • American • $275 — Save $234 (~39%) Book

2026-04-18–2026-04-25 • United • $337 — Save $150 (~25%) Book

2026-04-25–2026-05-01 • United • $337 — Save $150 (~25%) Book

Ontario (ONT)

2026-04-30–2026-05-09 • Southwest • $241 — Save $135 (~30%) Book

2026-04-11–2026-04-17 • Delta • $267 — Save $99 (~22%) Book

2026-04-25–2026-05-02 • United • $267 — Save $99 (~22%) Book

Detroit (DTW)

2026-03-30–2026-04-07 • American • $360 — Save $134 (~21%) Book

West Palm Beach (PBI)

2026-04-20–2026-04-28 • Delta • $347 — Save $110 (~20%) Book

2026-04-25–2026-05-02 • American • $347 — Save $110 (~20%) Book

2026-04-13–2026-04-20 • Delta • $347 — Save $110 (~20%) Book

Sacramento (SMF)

2026-04-11–2026-04-18 • United • $285 — Save $86 (~18%) Book

2026-04-25–2026-05-02 • United • $285 — Save $86 (~18%) Book

2026-04-18–2026-04-25 • United • $285 — Save $86 (~18%) Book