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

BGR Airport Page →
4,338 mi airlines 0/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 6 1-stop flights Verified 1mo 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
Bangor to Sofia
Connecting service available through multiple hubs.
1 Airlines 4,338 mi 7h 29m nonstop +7h ahead 6 1-stop hubs

BGR–SOF is served by 1 airline with nonstop service. CMB leads the route. The flight covers 4,338 miles in approximately 7h 29m. Beyond nonstop, 6 hubs offer 1-stop connections.

Also explore BGR Routes SOF Routes BGR Live Flights SOF Live Flights BGR Delays
Carriers on this route

Airline Landscape

All carriers operating 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

Beyond nonstop. 1-stop and 2-stop options for BGR to SOF.
1-STOP
One-Stop Connections
6
Hubs
~9h
Fastest
~14h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
145
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.
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 1 1
Weekly flights 0 –
Flight time 7h 29m 8h 4m
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.
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 connections6 hubs
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 approximately 7h 29m. The route covers 4,338 miles.
1 airline operates nonstop service: CMB.
Yes, 1-stop connections are available through BHX, DUB, MUC, STN, AMS and CVG. These options provide additional schedule flexibility.
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) are connected by nonstop service from CMB.

BGR to SOF Flight Duration and Schedule

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

Connecting Options and Alternatives

6 one-stop connections are available, with the fastest taking approximately 9 hours via BHX. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Portsmouth (PSM).