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

PSM Airport Page →
4,488 mi airlines 0/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 4 1-stop flights Verified 2mos ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Portsmouth to Sofia
Connecting service available through multiple hubs.
4,488 mi 8h 4m nonstop +7h ahead 4 1-stop hubs

While no nonstop service exists between PSM and SOF, connecting options are available through 4 hubs.

Also explore PSM Routes SOF Routes PSM Live Flights SOF Live Flights
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for PSM to SOF.
1-STOP
One-Stop Connections
4
Hubs
~8h
Fastest
~11h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
35
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 8h 4m.
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 time8h 4m
Time difference+7 hours
Airlines (nonstop)0
1-stop connections4 hubs
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 approximately 8h 4m. The route covers 4,488 miles.
Yes, 1-stop connections are available through CHS, BGR, BWI and CGN. These options provide additional schedule flexibility.
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) are connected through multiple connecting hub airports.

PSM to SOF Flight Duration and Schedule

Nonstop flight time from PSM to SOF ranges from 8 hours 4 minutes. The route covers a distance of 4,488 miles (7,222 km).

Connecting Options and Alternatives

4 one-stop connections are available, with the fastest taking approximately 8 hours via CHS. Two-stop connections are also available via intermediate hubs.