Bangor to Sofia (BGR–SOF) — Airlines, Schedules & Connections

BGR Airport Page →
4,338 mi airlines charter/private
On-time Some delays Frequent delays
Connecting Flight Schedule 2 1-stop flights Verified 2mos 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.

Last scheduled nonstop: Mar 2026.

✦ 1-Stop connections via 2 hubs
AMS Amsterdam ~11h 2m → BTFBKL Amsterdam (AMS) to Sofia flights
CPH Copenhagen ~11h 23m SK → FR Copenhagen (CPH) to Sofia flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Bangor to Sofia
Connecting service available through multiple hubs.
1 Airlines 4,338 mi 7h 29m nonstop +7h ahead

BGR–SOF had nonstop service, last on the schedule in March 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 4,338 miles in 7h 29m.

Also explore BGR Routes SOF Routes BGR Live Flights SOF Live Flights BGR Delays
All flights from Sofia (SOF) Sofia to Bangor flights
Carriers on this route

Airline Landscape

Carriers that operated nonstop BGR–SOF service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
CMB CMB 0 – – 100% – –
Alliance coverage
Unaffiliated: CMB (0 flights/wk, 0%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

1-stop and 2-stop options for BGR to SOF.
1-STOP
One-Stop Connections
2
Hubs
~11h
Fastest
~11h
Longest
AMS ~11h 2m CPH ~11h 23m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
150
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
BGR → SOF
100%
Generally reliable. Most flights run on time.
Departing
100%
Return
SOF → BGR
75%
Generally reliable. Most flights run on time.
Arriving
75%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. BGR delays →
Alternatives

Other ways to reach Sofia from Bangor

Nearby airports with service to Sofia Airport.
Metric BGR→SOF PSM→SOF
Distance from BGR – 155 mi
Nonstop airlines – 2
Weekly flights – 1
Flight time 7h 29m 5h 56m
Departure OTP 100% –
Portsmouth (PSM) to Sofia flights
Airports within 200 miles of BGR with service to Sofia Airport.
Know before you go

Travel Essentials

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

When it's 6:00 PM in Bangor, it's 1:00 AM (next day) in Sofia.
Distance & Flight Time
4,338 mi / 6,980 km
Nonstop flight time is approximately 7h 29m 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

BGR–SOF Quick Facts

Key statistics for the Bangor to Sofia route.
Route details
Distance4,338 mi / 6,980 km
Flight time7h 29m
Time difference+7 hours
Airlines (nonstop)1
1-stop connectionsAvailable
Origin: BGR
Full nameBangor International Airport
IATA / ICAOBGR / KBGR
TimezoneAmerica/New_York
Passengers/yr0.8M
Elevation192 ft / 59 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 BGR to SOF flights.
Nonstop flights from Bangor International Airport to Sofia Airport take about 7h 29m gate to gate. The route covers 4,338 miles.
1 airline operated the nonstop from BGR to SOF. The last scheduled nonstop was in March 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 March 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 7h 29m.
Yes, 1-stop connections are available, ranked by layover time.
Sofia is 7 hours ahead of Bangor.
Yes, return flights from SOF to BGR are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include PSM. 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 BGR to SOF

Bangor International Airport (BGR) and Sofia Airport (SOF) had nonstop service, last on the schedule in March 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.

BGR to SOF Flight Duration and Schedule

Nonstop flight time from BGR to SOF is about 7 hours 29 minutes gate to gate. The route covers a distance of 4,338 miles (6,980 km).

Connecting Options and Alternatives

1-stop connecting options are also available. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Portsmouth (PSM).