SOF - SFO

$416 Find Cheap Flights from Sofia to San Francisco - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$745
Typical prices: $912-$1,099
Multiple Airlines
Fri 11/23Sat 12/8
SOF - SFO • 1 stop
Cheapest one-way
$416
Typical prices: $766-$1,012
Multiple Airlines
Thu 12/6
SOF - SFO • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Sofia and San Francisco. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 8% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Warsaw Frederic Chopin (WAW)
Cheapest • Avg $926 (round-trip)
Zurich (ZRH)
Shortest trip • 14h 57m (one-way)
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Insights
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Flight Deals

Cheap Flights from Sofia to San Francisco (SOF-SFO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sofia to San Francisco

Mon, Nov 23 - Tue, Dec 8
Multiple Airlines Logo
11:30 pm - 1:10 pmSOF  Sofia-SFO San Francisco
23h 40m1 stop Rome Fiumicino
Multiple Airlines Logo
3:05 pm - 11:10 pmSFO  San Francisco-SOF Sofia
22h 05m1 stop Rome Fiumicino
$713Multiple Airlines
Mon, Nov 23 - Tue, Dec 8
Multiple Airlines Logo
11:30 pm - 1:10 pmSOF  Sofia-SFO San Francisco
23h 40m1 stop Rome Fiumicino
Multiple Airlines Logo
4:45 pm - 7:00 pmSFO  San Francisco-SOF Sofia
40h 15m2 stops Los Angeles Rome Fiumicino
$732Multiple Airlines
Thu, Mar 18 - Sat, Mar 27
Multiple Airlines Logo
4:55 pm - 5:05 pmSOF  Sofia-SFO San Francisco
33h 10m2 stops Madrid Barajas Lisbon Humberto Delgado
Multiple Airlines Logo
4:40 pm - 5:10 pmSFO  San Francisco-SOF Sofia
39h 30m2 stops Toronto Pearson Intl Frankfurt am Main
$815Multiple Airlines
Mon, Dec 14 - Tue, Feb 23
Turkish Airlines Logo
4:00 pm - 4:30 pmSOF  Sofia-SFO San Francisco
34h 30m1 stop Istanbul
Turkish Airlines Logo
6:35 pm - 3:10 pmSFO  San Francisco-SOF Sofia
34h 35m1 stop Istanbul
$929Turkish Airlines
Mon, Dec 14 - Tue, Feb 23
Turkish Airlines Logo
4:00 pm - 4:30 pmSOF  Sofia-SFO San Francisco
34h 30m1 stop Istanbul
Turkish Airlines Logo
6:35 pm - 3:10 pmSFO  San Francisco-SOF Sofia
34h 35m1 stop Istanbul
$936Turkish Airlines
Mon, Nov 9 - Wed, Nov 25
Turkish Airlines Logo
4:00 pm - 4:30 pmSOF  Sofia-SFO San Francisco
34h 30m1 stop Istanbul
Turkish Airlines Logo
6:35 pm - 11:05 amSFO  San Francisco-SOF Sofia
30h 30m1 stop Istanbul
$952Turkish Airlines
Mon, Nov 23 - Tue, Dec 8
United Airlines Logo
6:25 am - 4:05 pmSOF  Sofia-SFO San Francisco
19h 40m1 stop Frankfurt am Main
United Airlines Logo
9:40 pm - 10:55 pmSFO  San Francisco-SOF Sofia
15h 15m1 stop Munich Franz Josef Strauss
$1,026United Airlines
Mon, Nov 23 - Tue, Dec 8
United Airlines Logo
6:25 am - 4:05 pmSOF  Sofia-SFO San Francisco
19h 40m1 stop Frankfurt am Main
United Airlines Logo
9:40 pm - 10:55 pmSFO  San Francisco-SOF Sofia
15h 15m1 stop Munich Franz Josef Strauss
$1,028United Airlines
Mon, Nov 9 - Wed, Nov 25
Lufthansa Logo
2:10 pm - 1:29 amSOF  Sofia-SFO San Francisco
21h 19m2 stops Frankfurt am Main Washington, D.C. Dulles Intl
Lufthansa Logo
2:00 pm - 6:10 pmSFO  San Francisco-SOF Sofia
18h 10m2 stops Chicago O'Hare Intl Frankfurt am Main
$1,087Lufthansa
Fri, Oct 30 - Tue, Nov 3
Lufthansa Logo
7:00 pm - 8:35 pmSOF  Sofia-SFO San Francisco
34h 35m2 stops Frankfurt am Main Munich Franz Josef Strauss
Lufthansa Logo
2:45 pm - 6:20 pmSFO  San Francisco-SOF Sofia
17h 35m2 stops Frankfurt am Main Munich Franz Josef Strauss
$1,374Lufthansa
Booking Insights

Price, demand and travel trends for Sofia to San Francisco flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Sofia to San Francisco?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Sofia to San Francisco. It’s 6% cheaper than the average day, while Friday is the most expensive, with prices 12% higher.

What’s the cheapest month to fly from Sofia to San Francisco?

•February is the cheapest month to fly from Sofia to San Francisco at $890 round-trip.
•August ($1,161) and September ($1,119) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 30% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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Key details for Sofia to San Francisco flights

Low season

February

Cheapest flight

$416
Beat the crowds with an average 51% drop in travelers.
The most popular month to fly with an average 70% increase in travelers.
One-way flight from Sofia to San Francisco

When to book flights from Sofia to San Francisco

Are your dates flexible? Find out the best times to travel from Sofia to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Sofia to San Francisco flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Sofia to San Francisco?

    Four cabin classes are available on flights from Sofia to San Francisco:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Sofia to San Francisco?

    A nonstop flight from Sofia to San Francisco takes 00m, covering 6,481 miles.

  • Do I need a passport to fly from Sofia to San Francisco?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Sofia to San Francisco flight?

    Round-trip flights from Sofia to San Francisco range from $912 to $1,099, with an average of $968 over the past 12 months. Anything below $912 counts as a good deal.

  • Have flight prices from Sofia to San Francisco changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $745 to $3,845. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Sofia to San Francisco looking right now?

    One-way fares from Sofia to San Francisco are currently lower than usual. Average one-way flight prices are about $547, which is 41% below the typical average for this route.

  • What car rental options are available at San Francisco Airport (SFO)?

    San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:

    • Europcar
    • Thrifty
    • Dollar
    • Hertz
    • Fox

  • Which airports can I use when flying from Sofia to San Francisco?

    Flights from Sofia to San Francisco usually depart from Sofia (SOF) and arrive at San Francisco (SFO).

  • Which airports do connecting flights from Sofia to San Francisco pass through?

    One-stop flights from Sofia to San Francisco most commonly connect through:

    • Istanbul (IST) - 64% of one-stop connections
    • Munich Franz Josef Strauss (MUC) - 26% of one-stop connections
    • Warsaw Frederic Chopin (WAW) - 4% of one-stop connections
    • Zurich (ZRH) - 3% of one-stop connections

  • Can I save money by using flexible dates for flights from Sofia to San Francisco?

    Yes. Flexible dates can save you up to 17% on flights from Sofia to San Francisco. Monday is the cheapest departure day at $912 round-trip on average, while Friday is the most expensive at $1,089, a difference of $177.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Sofia to San Francisco?

    Flying via Zurich (ZRH) gives the shortest average 1-stop total travel time at 14h 57m, compared with 15h 57m via Munich Franz Josef Strauss (MUC) and 16h 33m via Warsaw Frederic Chopin (WAW).

  • What is the time difference between Sofia and San Francisco?

    San Francisco is 10 hours behind Sofia (Pacific Time vs Eastern European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in San Francisco?

    Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

Your guide to booking Sofia to San Francisco flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Friday. On this route, Monday flights average $912, about $177 less than Friday fares (16% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Sofia to San Francisco trip for February. Fares historically average $890 round-trip in that month - typically $271 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Francisco Airport.

    • Grand Hyatt At Sfo

More options for your flight from Sofia to San Francisco

Complete your trip to San Francisco with a hotel stay or car rental

Car rentals in San Francisco
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