Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from San Francisco to Bulgaria from $344

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 Bulgaria departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Francisco to Bulgaria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
12:55 pm - 9:20 pm
SFO
-
VAR
22h 25m
1 stop
Turkish Airlines Logo
3:45 am - 10:50 am
VAR
-
SFO
17h 05m
1 stop
$597Turkish Airlines
Tue, Aug 11 - Mon, Sep 14
Turkish Airlines Logo
6:45 pm - 8:15 pm
SFO
-
SOF
15h 30m
1 stop
Turkish Airlines Logo
9:35 am - 4:40 pm
SOF
-
SFO
17h 05m
1 stop
$603Turkish Airlines
Tue, Sep 29 - Tue, Oct 13
Turkish Airlines Logo
12:55 pm - 3:00 pm
SFO
-
SOF
16h 05m
1 stop
Turkish Airlines Logo
3:50 pm - 4:40 pm
SOF
-
SFO
34h 50m
1 stop
$610Turkish Airlines
Fri, Apr 17 - Fri, May 8
Austrian Airlines Logo
9:05 pm - 12:20 pm
SFO
-
BOJ
29h 15m
2 stops
Austrian Airlines Logo
1:05 pm - 12:40 pm
BOJ
-
SFO
33h 35m
2 stops
$818Austrian Airlines
Sun, Jul 19 - Tue, Aug 25
Austrian Airlines Logo
9:05 pm - 3:15 pm
SFO
-
VAR
32h 10m
2 stops
Austrian Airlines Logo
1:35 pm - 12:40 pm
VAR
-
SFO
57h 05m
2 stops
$826Austrian Airlines
Sun, Jul 19 - Mon, Aug 24
Multiple Airlines Logo
7:35 pm - 8:10 pm
SFO
-
VAR
14h 35m
1 stop
Multiple Airlines Logo
11:05 am - 12:40 pm
VAR
-
SFO
59h 35m
2 stops
$909Multiple Airlines
Mon, Jul 20 - Sun, Aug 23
Multiple Airlines Logo
7:35 pm - 8:10 pm
SFO
-
VAR
14h 35m
1 stop
Multiple Airlines Logo
1:35 pm - 7:00 pm
VAR
-
SFO
39h 25m
2 stops
$924Multiple Airlines
Mon, Aug 3 - Thu, Aug 27
Lufthansa Logo
9:05 pm - 12:50 pm
SFO
-
VAR
29h 45m
2 stops
Lufthansa Logo
8:20 pm - 12:40 pm
VAR
-
SFO
26h 20m
1 stop
$963Lufthansa
Sun, Jul 19 - Mon, Aug 24
SWISS Logo
7:30 pm - 8:10 pm
SFO
-
VAR
38h 40m
2 stops
SWISS Logo
9:10 pm - 4:15 pm
VAR
-
SFO
29h 05m
1 stop
$972SWISS
Sun, Jul 5 - Tue, Aug 25
SWISS Logo
7:30 pm - 8:10 pm
SFO
-
VAR
38h 40m
2 stops
SWISS Logo
9:10 pm - 7:53 pm
VAR
-
SFO
32h 43m
2 stops
$982SWISS
Sun, Jul 5 - Tue, Aug 25

Turkish Airlines flights from San Francisco to Bulgaria

Our best Turkish Airlines deals on San Francisco to Bulgaria flight tickets
Turkish Airlines
Aug 11
SFO12:55 pmSan Francisco
22h 25m
1 stop
VAR9:20 pmVarna
Sep 14
VAR3:45 amVarna
17h 05m
1 stop
SFO10:50 amSan Francisco
$597
Turkish Airlines
Sep 29
SFO6:45 pmSan Francisco
15h 30m
1 stop
SOF8:15 pmSofia
Oct 13
SOF9:35 amSofia
17h 05m
1 stop
SFO4:40 pmSan Francisco
$603
Turkish Airlines
Apr 17
SFO12:55 pmSan Francisco
16h 05m
1 stop
SOF3:00 pmSofia
May 8
SOF3:50 pmSofia
34h 50m
1 stop
SFO4:40 pmSan Francisco
$610

United Airlines flights from San Francisco to Bulgaria

Our best United Airlines deals on San Francisco to Bulgaria flight tickets
United Airlines
Aug 17
SFO5:05 amSan Francisco
21h 05m
2 stops
SOF12:10 pmSofia
Aug 26
SOF1:50 pmSofia
16h 00m
1 stop
SFO7:50 pmSan Francisco
$751
United Airlines
Aug 19
SFO5:05 amSan Francisco
21h 05m
2 stops
SOF12:10 pmSofia
Aug 25
SOF6:10 amSofia
18h 10m
1 stop
SFO2:20 pmSan Francisco
$753
United Airlines
Aug 16
SFO2:00 pmSan Francisco
23h 15m
1 stop
SOF11:15 pmSofia
Aug 26
SOF6:20 amSofia
23h 57m
2 stops
SFO8:17 pmSan Francisco
$756

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Bulgaria 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 April 3, 2026.
Use the filters below to find and compare flights from San Francisco to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Tue 8/11

12:55 pm-9:20 pm

1 stop22h 25m

Varna

Mon 9/14

3:45 am-10:50 am

1 stop17h 05m

$597
Quickest round-trip

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Tue 9/29

6:45 pm-8:15 pm

1 stop15h 30m

Sofia

Tue 10/13

9:35 am-4:40 pm

1 stop17h 05m

$603

San FranciscoSofia

SFO - SOF

SFOSOF

San Francisco

Fri 4/17

12:55 pm-3:00 pm

1 stop16h 05m

Sofia

Fri 5/8

3:50 pm-4:40 pm

1 stop34h 50m

$610

San FranciscoBurgas

SFO - BOJ

SFOBOJ

San Francisco

Sun 7/19

9:05 pm-12:20 pm

2 stops29h 15m

Bourgas

Tue 8/25

1:05 pm-12:40 pm

2 stops33h 35m

$818

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Sun 7/19

9:05 pm-3:15 pm

2 stops32h 10m

Varna

Mon 8/24

1:35 pm-12:40 pm

2 stops57h 05m

$826

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Mon 7/20

7:35 pm-8:10 pm

1 stop14h 35m

Varna

Sun 8/23

11:05 am-12:40 pm

2 stops59h 35m

$909

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Mon 8/3

7:35 pm-8:10 pm

1 stop14h 35m

Varna

Thu 8/27

1:35 pm-7:00 pm

2 stops39h 25m

$924

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Sun 7/19

9:05 pm-12:50 pm

2 stops29h 45m

Varna

Mon 8/24

8:20 pm-12:40 pm

1 stop26h 20m

$963

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Sun 7/5

7:30 pm-8:10 pm

2 stops38h 40m

Varna

Tue 8/25

9:10 pm-4:15 pm

1 stop29h 05m

$972

San FranciscoVarna

SFO - VAR

SFOVAR

San Francisco

Sun 7/5

7:30 pm-8:10 pm

2 stops38h 40m

Varna

Tue 8/25

9:10 pm-7:53 pm

2 stops32h 43m

$982

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Bulgaria from

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

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 cheapest month to fly to Bulgaria?

If you aren’t able to travel to Bulgaria during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $637.

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

You are more likely to see cheaper flights to Bulgaria from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $782 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from San Francisco for as low as $652 on momondo.

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

You could potentially save up to 31% on your flight if you consider stops on a San Francisco to Bulgaria flight.

Cheap San Francisco to Bulgaria flight deals and tips

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

Fastest flight time

16h 10m

Direct flights

None
The fastest flight from San Francisco to Bulgaria takes 16h 10m
There are no direct flights from San Francisco to Bulgaria. There are no popular flight routes from San Francisco to Bulgaria.
Search flight deals

Frequently asked questions about flying from San Francisco to Bulgaria

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

    Prices for flights from San Francisco Airport to Bulgaria refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Bulgaria.

  • What documentation or ID do you need to fly to Bulgaria?

    The required travel and health documents for your Bulgaria trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bulgaria. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Francisco to Bulgaria

Compare and see reviews for airlines that fly from San Francisco to Bulgaria with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $391Free CancellationRating
7.3
4,295 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $544Free CancellationRating
6.8
7,889 reviews
Search Lufthansa flights
British AirwaysPriceFrom $594Free CancellationRating
6.7
7,848 reviews
Search British Airways flights
United AirlinesPriceFrom $603Free CancellationRating
7.4
9,541 reviews
Search United Airlines flights
LOTPriceFrom $627Free CancellationRating
7.5
1,182 reviews
Search LOT flights
ITA AirwaysPriceFrom $651Free CancellationRating
6.7
1,175 reviews
Search ITA Airways flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bulgaria from San Francisco.

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

Yes. momondo enables you to select and highlight flights to Bulgaria from San Francisco with this policy.

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

Once all potential San Francisco to Bulgaria 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 Bulgaria right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco to Bulgaria flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Bulgaria trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 5/3
Sun 5/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Bulgaria

Popular cities in Bulgaria

Popular flights according to clicks in the last 7 days on momondo
Flights to Sofiafrom $514
Flights to Varnafrom $542
Flights to Burgasfrom $791
Flights to Plovdivfrom $880