Portsmouth to Sofia (PSM–SOF) — Airlines, Schedules & Connections

PSM Airport Page →
4,488 mi airlines charter/private 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 2 1-stop flights Verified 1d 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 2 hubs
CGN Köln (Cologne) ~11h 17m → FR Köln (Cologne) (CGN) to Sofia flights
CVG Cincinnati / Covington ~12h 37m → CMB Cincinnati / Covington (CVG) to Sofia flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Portsmouth to Sofia
Connecting service available through multiple hubs.
1 Airlines 4,488 mi 5h 56m nonstop +7h ahead

PSM–SOF had nonstop service, 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 4,488 miles in 5h 56m.

Also explore PSM Routes SOF Routes PSM Live Flights SOF Live Flights
All flights from Sofia (SOF) Sofia to Portsmouth flights
Carriers on this route

Airline Landscape

Carriers that operated nonstop PSM–SOF service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
CMB CMB 1 – – – – –
Alliance coverage
Unaffiliated: CMB (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 PSM to SOF.
1-STOP
One-Stop Connections
2
Hubs
~11h
Fastest
~12h
Longest
CGN ~11h 17m CVG ~12h 37m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
4
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.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
+7h
Sofia is 7 hours ahead of Portsmouth.
PSM: EDT · SOF: EEST

When it's 6:00 PM in Portsmouth, it's 1:00 AM (next day) in Sofia.
Distance & Flight Time
4,488 mi / 7,222 km
Nonstop flight time is approximately 5h 56m gate to gate.
Visa & Entry

US passport holders enter Bulgaria visa-free for stays up to 90 days within any 180-day period. Bulgaria joined the Schengen area in 2024, so the 90-day clock is now shared with all other Schengen countries. Passport must be valid for at least 3 months beyond the planned departure from the Schengen area.

Verify entry requirements with official sources before travel.
Facts

PSM–SOF Quick Facts

Key statistics for the Portsmouth to Sofia route.
Route details
Distance4,488 mi / 7,222 km
Flight time5h 56m
Time difference+7 hours
Airlines (nonstop)1
1-stop connectionsAvailable
Origin: PSM
Full namePortsmouth International Airport at Pease
IATA / ICAOPSM / KPSM
TimezoneAmerica/New_York
Passengers/yr0.2M
Elevation100 ft / 30 m
Destination: SOF
Full nameSofia Airport
IATA / ICAOSOF / LBSF
TimezoneEurope/Sofia
Passengers/yr7.9M
Elevation1,742 ft / 531 m
FAQ

Frequently Asked Questions

Common questions about PSM to SOF flights.
Nonstop flights from Portsmouth International Airport at Pease to Sofia Airport take about 5h 56m gate to gate. The route covers 4,488 miles.
1 airline operated the nonstop from PSM to SOF. 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 5h 56m.
Yes, 1-stop connections are available, ranked by layover time.
Sofia is 7 hours ahead of Portsmouth.
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.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from PSM to SOF

Portsmouth International Airport at Pease (PSM) and Sofia Airport (SOF) had nonstop service, 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.

PSM to SOF Flight Duration and Schedule

Nonstop flight time from PSM to SOF is about 5 hours 56 minutes gate to gate. The route covers a distance of 4,488 miles (7,222 km).

Connecting Options and Alternatives

1-stop connecting options are also available. Two-stop connections are also available via intermediate hubs.