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Cheap flights from San Francisco to Sofia from $350

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Sofia departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Francisco to Sofia

Cheap round-trip flights

Logo
7:30 pm - 10:05 amSFO-SOF
28h 35m1 stop
Logo
6:00 am - 9:22 pmSOF-SFO
25h 22m2 stops
$559
Find Deal
mar., oct. 14 - mar., nov. 11
Logo
7:30 pm - 12:00 pmSFO-SOF
30h 30m2 stops
Logo
6:00 am - 9:22 pmSOF-SFO
25h 22m2 stops
$584
Find Deal
mar., oct. 14 - mar., nov. 11
Lufthansa Logo
9:05 pm - 11:00 pmSFO-SOF
15h 55m1 stop
Lufthansa Logo
6:00 am - 12:40 pmSOF-SFO
16h 40m1 stop
$588Lufthansa
Find Deal
mar., oct. 14 - mar., nov. 11
Turkish Airlines Logo
6:45 pm - 8:35 amSFO-SOF
27h 50m1 stop
Turkish Airlines Logo
3:35 pm - 4:40 pmSOF-SFO
35h 05m1 stop
$591Turkish Airlines
Find Deal
mar., sep. 23 - mar., oct. 7
Lufthansa Logo
9:40 pm - 10:45 pmSFO-SOF
15h 05m1 stop
Lufthansa Logo
6:00 am - 12:40 pmSOF-SFO
16h 40m1 stop
$593Lufthansa
Find Deal
mar., nov. 25 - mar., dic. 9
United Airlines Logo
1:30 pm - 10:45 pmSFO-SOF
23h 15m1 stop
United Airlines Logo
2:15 pm - 8:10 pmSOF-SFO
15h 55m1 stop
$600United Airlines
Find Deal
mar., nov. 25 - mar., dic. 9
Turkish Airlines Logo
6:45 pm - 8:25 pmSFO-SOF
15h 40m1 stop
Turkish Airlines Logo
9:25 am - 4:40 pmSOF-SFO
17h 15m1 stop
$601Turkish Airlines
Find Deal
mié., sep. 24 - mié., oct. 8
United Airlines Logo
1:30 pm - 6:20 pmSFO-SOF
18h 50m1 stop
United Airlines Logo
6:10 am - 3:55 pmSOF-SFO
19h 45m1 stop
$602United Airlines
Find Deal
mié., ene. 21 - mié., feb. 4
Air Canada Logo
8:31 am - 6:20 pmSFO-SOF
23h 49m2 stops
Air Canada Logo
6:00 am - 8:53 pmSOF-SFO
24h 53m2 stops
$609Air Canada
Find Deal
mar., ene. 20 - mar., feb. 3
Air Canada Logo
6:00 pm - 1:35 pmSFO-SOF
33h 35m2 stops
Air Canada Logo
6:25 am - 12:20 pmSOF-SFO
39h 55m2 stops
$623Air Canada
Find Deal
sáb., nov. 22 - sáb., dic. 6

Turkish Airlines flights from San Francisco to Sofia

Our best Turkish Airlines deals on San Francisco to Sofia flight tickets
Turkish Airlines
Sep 23
SFO6:45 pmSan Francisco
27h 50m
1 stop
SOF8:35 amSofia
Oct 7
SOF3:35 pmSofia
35h 05m
1 stop
SFO4:40 pmSan Francisco
$591
Find similar
Turkish Airlines
Sep 24
SFO6:45 pmSan Francisco
15h 40m
1 stop
SOF8:25 pmSofia
Oct 8
SOF9:25 amSofia
17h 15m
1 stop
SFO4:40 pmSan Francisco
$601
Find similar
Turkish Airlines
Oct 7
SFO6:45 pmSan Francisco
15h 40m
1 stop
SOF8:25 pmSofia
Oct 14
SOF3:35 pmSofia
29h 00m
1 stop
SFO10:35 amSan Francisco
$607
Find similar

United Airlines flights from San Francisco to Sofia

Our best United Airlines deals on San Francisco to Sofia flight tickets
United Airlines
Nov 25
SFO1:30 pmSan Francisco
23h 15m
1 stop
SOF10:45 pmSofia
Dec 9
SOF2:15 pmSofia
15h 55m
1 stop
SFO8:10 pmSan Francisco
$600
Find similar
United Airlines
Jan 21
SFO1:30 pmSan Francisco
18h 50m
1 stop
SOF6:20 pmSofia
Feb 4
SOF6:10 amSofia
19h 45m
1 stop
SFO3:55 pmSan Francisco
$602
Find similar
United Airlines
Nov 19
SFO12:50 pmSan Francisco
19h 30m
2 stops
SOF6:20 pmSofia
Nov 26
SOF6:10 amSofia
25h 12m
2 stops
SFO9:22 pmSan Francisco
$604
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Sofia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated agosto 25, 2025.
Use the filters below to find and compare flights from San Francisco to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mar. 10/14

7:30 pm-10:05 am

1 stop28h 35m

Sofia

mar. 11/11

6:00 am-9:22 pm

2 stops25h 22m

$559

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mar. 10/14

7:30 pm-12:00 pm

2 stops30h 30m

Sofia

mar. 11/11

6:00 am-9:22 pm

2 stops25h 22m

$584

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mar. 10/14

9:05 pm-11:00 pm

1 stop15h 55m

Sofia

mar. 11/11

6:00 am-12:40 pm

1 stop16h 40m

$588

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mar. 9/23

6:45 pm-8:35 am

1 stop27h 50m

Sofia

mar. 10/7

3:35 pm-4:40 pm

1 stop35h 05m

$591

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mar. 11/25

9:40 pm-10:45 pm

1 stop15h 05m

Sofia

mar. 12/9

6:00 am-12:40 pm

1 stop16h 40m

$593

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mar. 11/25

1:30 pm-10:45 pm

1 stop23h 15m

Sofia

mar. 12/9

2:15 pm-8:10 pm

1 stop15h 55m

$600

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mié. 9/24

6:45 pm-8:25 pm

1 stop15h 40m

Sofia

mié. 10/8

9:25 am-4:40 pm

1 stop17h 15m

$601

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mié. 1/21

1:30 pm-6:20 pm

1 stop18h 50m

Sofia

mié. 2/4

6:10 am-3:55 pm

1 stop19h 45m

$602

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

mar. 1/20

8:31 am-6:20 pm

2 stops23h 49m

Sofia

mar. 2/3

6:00 am-8:53 pm

2 stops24h 53m

$609

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

sáb. 11/22

6:00 pm-1:35 pm

2 stops33h 35m

Sofia

sáb. 12/6

6:25 am-12:20 pm

2 stops39h 55m

$623

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Sofia from

How to get the cheapest flight ticket from San Francisco to Sofia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Francisco and Sofia?

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from San Francisco is in January. Flight prices, which tend to average around $613, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Sofia from San Francisco during October instead. Flights to Sofia in October, while not as cheap as those in January, still average around $636.

What is the cheapest day to depart on your flight to Sofia?

According to our data, Thursday is the cheapest day to fly to Sofia from San Francisco. The lowest ticket price found for a Thursday departure recently was $832. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from San Francisco to Sofia on a Friday will generally be more expensive and average around $1,318. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sofia?

In the afternoon is the cheapest time of day to fly from San Francisco to Sofia when you can find flight prices for as low as $817. Flying to Sofia in the afternoon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Sofia, so prices are often more expensive at around $1,363 per ticket.

How far in advance should I book a flight to Sofia?

You are more likely to see cheaper flights to Sofia from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $846 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from San Francisco for as low as $705 on momondo.

Can stopping save me money on San Francisco to Sofia flights?

You could potentially save up to 9% on your flight if you consider stops on a San Francisco to Sofia flight.

How have San Francisco to Sofia flight prices changed over time?

As of August 2025, prices for San Francisco to Sofia flights are approximately 24% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Sofia

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Sofia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Sofia (SFO to SOF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Sofia

Direct flights

None
There are no direct flights from San Francisco to Sofia. There are no popular flight routes from San Francisco to Sofia.
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  • How far is San Francisco to Sofia by plane?

    The distance between San Francisco and Sofia is about 6469.3 mi. A reasonable flight in good conditions will take 15h 05m.

  • When did momondo last update prices for flights from San Francisco Airport to Sofia Airport?

    Prices for flights from San Francisco Airport to Sofia Airport were last updated today.

  • How many operators does momondo search for flights from San Francisco Airport to Sofia Airport?

  • How old do you have to be to fly from San Francisco Airport to Sofia Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Sofia Airport.

  • What documentation or ID do you need to fly to Sofia Airport?

    The travel and health documents you'll need for your trip to Sofia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sofia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Francisco to Sofia?

Best airlines flying from San Francisco to Sofia

Compare and see reviews for airlines that fly from San Francisco to Sofia with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $543Free CancellationRating
7.3
3,953 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $627Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights
LufthansaPriceFrom $642Free CancellationRating
6.8
7,359 reviews
Search Lufthansa flights
ITA AirwaysPriceFrom $652Free CancellationRating
6.7
1,024 reviews
Search ITA Airways flights
Air CanadaPriceFrom $842Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Traveling to a place near Sofia?

Book flights to Sofia if you plan to visit one of these locations
Bansko
Borovets
Velingrad
Sandanski

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Sofia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to Sofia. momondo saves you time and could save you money on your trip.

Can I find flights from San Francisco to Sofia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sofia from San Francisco which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Francisco to Sofia?

Once all potential San Francisco to Sofia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Francisco to Sofia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sofia, momondo offers a useful price alert feature which will track prices for flights to Sofia from San Francisco and alert you when they change.

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
American Airlines
Delta
United Airlines
Turkish Airlines
Lufthansa
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British Airways
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