Boise to Portsmouth (BOI–PSM) — Airlines, Schedules & Connections

BOI Airport Page →
2,254 mi airlines charter/private ~1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 1 1-stop flight
Charter / private route. No scheduled airline service — operated by charter & private aviation.
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
LAX Los Angeles 7h 56m AFAMAS → AN Los Angeles (LAX) to Portsmouth flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Boise to Portsmouth
Flown by charter / private operators — no scheduled airline service.
2,254 mi 4h 13m nonstop +2h ahead

BOI–PSM has no scheduled airline service; it is flown by charter / private operators. 1-stop connecting options are also available.

Also explore BOI Routes PSM Routes BOI Live Flights PSM Live Flights BOI Delays
All flights from Portsmouth (PSM) Portsmouth to Boise flights
Connections

Connection Landscape

1-stop and 2-stop options for BOI to PSM.
1-STOP
One-Stop Connections
1
Hubs
~7h
Fastest
~7h
Longest
LAX ~7h 56m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
20
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
BOI → PSM
96%
Generally reliable. Most flights run on time.
Departing
96%
Return
PSM → BOI
84%
Generally reliable. Most flights run on time.
Arriving
84%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. BOI delays →
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+2h
Portsmouth is 2 hours ahead of Boise.
BOI: MDT · PSM: EDT

When it's 6:00 PM in Boise, it's 8:00 PM in Portsmouth.
Distance & Flight Time
2,254 mi / 3,626 km
Nonstop flight time is approximately 4h 13m gate to gate.
Facts

BOI–PSM Quick Facts

Key statistics for the Boise to Portsmouth route.
Route details
Distance2,254 mi / 3,626 km
Flight time4h 13m
Time difference+2 hours
Airlines (nonstop)Charter / private
Weekly flights~1 out
1-stop connectionsAvailable
Origin: BOI
Full nameBoise Air Terminal/Gowen Field
IATA / ICAOBOI / KBOI
TimezoneAmerica/Boise
Passengers/yr5.0M
Elevation2,871 ft / 875 m
Destination: PSM
Full namePortsmouth International Airport at Pease
IATA / ICAOPSM / KPSM
TimezoneAmerica/New_York
Passengers/yr0.2M
Elevation100 ft / 30 m
FAQ

Frequently Asked Questions

Common questions about BOI to PSM flights.
Nonstop flights from Boise Air Terminal/Gowen Field to Portsmouth International Airport at Pease take about 4h 13m gate to gate. The route covers 2,254 miles.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Los Angeles.
Portsmouth is 2 hours ahead of Boise.
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 BOI to PSM

Boise Air Terminal/Gowen Field (BOI) and Portsmouth International Airport at Pease (PSM) are connected through multiple connecting hub airports.

BOI to PSM Flight Duration and Schedule

Nonstop flight time from BOI to PSM is about 4 hours 13 minutes gate to gate. The route covers a distance of 2,254 miles (3,626 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Los Angeles. Two-stop connections are also available via intermediate hubs.