Which airlines fly direct between Sofia and San Francisco?

Airlines operating direct flights include Bulgaria Air, Ryanair, United Airlines, Alaska Airlines.

What is the cheapest fare for this route?

Recorded one-way fares on Prymeo start from as low as $679 depending on season and advance booking.

Home FlightsSofia to San Francisco

Verified Route Guide

Flights from Sofia to San Francisco

Q: How long is the flight from Sofia to San Francisco?

The average nonstop flight time from Sofia (SOF) to San Francisco (SFO) is approximately 12h 60m covering a distance of 10438 km.

Sofia Airport (SOF) → San Francisco International (SFO)

Fares From$679

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Flight Time

12h 60m

Nonstop average

Distance

10438 km

Air route corridor

Best Time to Fly

Year-Round (Best rates booked 3-5 weeks ahead)

Pleasant weather

Extra Fees

$0.00

Zero commission

Route Overview: Sofia to San Francisco

Cheap flights from Sofia (SOF) to San Francisco (SFO). Compare Bulgaria Air fares from $679 with 0% fees on Prymeo.

Prymeo aggregates real-time flight availability directly from both low-cost carriers and legacy full-service airlines. When searching for tickets between Sofia Airport and San Francisco International, our technology checks multiple booking systems in parallel so you never miss a flash sale or promotional discount.

Direct Carriers on This Corridor

Bulgaria Air

Ryanair

United Airlines

Alaska Airlines

Quick Flight Facts & Corridor Specifications

Live Verified Data

Route Corridor	Sofia (SOF) to San Francisco (SFO)
Flight Distance	10,438 kilometers / 6,486 miles
Average Flight Duration	12h 60m (nonstop)
Starting Fare	From $679 (0% added booking fees)
Operating Airlines	Bulgaria Air, Ryanair, United Airlines, Alaska Airlines
Optimal Travel Season	Year-Round (Best rates booked 3-5 weeks ahead)

Return Flight Route

San Francisco (SFO) to Sofia (SOF)

Nonstop return tickets from $679 · 0% booking markup

View Return Leg

Frequently Asked Questions About This Route

How long is the flight from Sofia to San Francisco?

The nonstop flight takes approximately 12h 60m, traversing 10438 km.

How far in advance should I book my flight?

For the best rates, we recommend booking between 3 to 6 weeks before your desired departure date, particularly during peak summer and holiday seasons.