Cheyenne to Boise (CYS–BOI) — Airlines, Schedules & Connections

CYS Airport Page →
605 mi airlines charter/private 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 1 1-stop flight Verified 1w ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 1 hub
DEN Denver 4h UA → ACCMF9 Denver (DEN) to Boise flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Cheyenne to Boise
Connecting service available through multiple hubs.
1 Airlines 605 mi 1h 50m nonstop

CYS–BOI had nonstop service from Sun Country Airlines, last on the schedule in June 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 605 miles in 1h 50m.

Also explore CYS Routes BOI Routes CYS Live Flights BOI Live Flights BOI Delays
All flights from Boise (BOI) Boise to Cheyenne flights
Carriers on this route

Airline Landscape

Carriers that operated nonstop CYS–BOI service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
SY Sun Country Airlines 1 – – – – –
Alliance coverage
Unaffiliated: SY (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

1-stop and 2-stop options for CYS to BOI.
1-STOP
One-Stop Connections
1
Hubs
~4h
Fastest
~4h
Longest
DEN ~4h 0m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
23
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
CYS → BOI
70%
Moderate delays possible. Allow buffer time.
Arriving
70%
Return
BOI → CYS
50%
Frequent delays expected. Consider flexible booking.
Departing
50%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. BOI delays →
Alternatives

Other ways to reach Boise from Cheyenne

Nearby airports with service to Boise Air Terminal/Gowen Field.
Metric CYS→BOI DEN→BOI HDN→BOI
Distance from CYS – 90 mi 134 mi
Nonstop airlines – 7 1
Weekly flights – 91 1
Flight time 1h 50m 1h 29m 1h 2m
Denver (DEN) to Boise flights · Hayden (HDN) to Boise flights · Eagle (EGE) to Boise flights
Airports within 200 miles of CYS with service to Boise Air Terminal/Gowen Field.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
0h
Boise is 0 hours the same as Cheyenne.
CYS: MDT · BOI: MDT

When it's 6:00 PM in Cheyenne, it's 6:00 PM in Boise.
Distance & Flight Time
605 mi / 974 km
Nonstop flight time is approximately 1h 50m gate to gate.
Facts

CYS–BOI Quick Facts

Key statistics for the Cheyenne to Boise route.
Route details
Distance605 mi / 974 km
Flight time1h 50m
Time difference0 hours
Airlines (nonstop)1
1-stop connectionsAvailable
Origin: CYS
Full nameCheyenne Regional Jerry Olson Field
IATA / ICAOCYS / KCYS
TimezoneAmerica/Denver
Passengers/yr0.1M
Elevation6,159 ft / 1,877 m
Destination: BOI
Full nameBoise Air Terminal/Gowen Field
IATA / ICAOBOI / KBOI
TimezoneAmerica/Boise
Passengers/yr5.0M
Elevation2,871 ft / 875 m
FAQ

Frequently Asked Questions

Common questions about CYS to BOI flights.
Nonstop flights from Cheyenne Regional Jerry Olson Field to Boise Air Terminal/Gowen Field take about 1h 50m gate to gate. The route covers 605 miles.
1 airline operated the nonstop from CYS to BOI: Sun Country Airlines. The last scheduled nonstop was in June 2026. There's no nonstop right now, so today you'd fly it with one stop. See the connection options above, ranked by layover.
Not right now. The last scheduled nonstop was in June 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 1h 50m.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Denver.
Nearby alternatives include DEN, HDN and EGE. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from CYS to BOI

Cheyenne Regional Jerry Olson Field (CYS) and Boise Air Terminal/Gowen Field (BOI) had nonstop service from Sun Country Airlines, last on the schedule in June 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.

CYS to BOI Flight Duration and Schedule

Nonstop flight time from CYS to BOI is about 1 hours 50 minutes gate to gate. The route covers a distance of 605 miles (974 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Denver. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Denver (DEN), Hayden (HDN) and Eagle (EGE).