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$557+ Cheap flights from San Diego (SAN) to Bulgaria

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SOF
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
1 adult, Economy
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Cheap flight deals from San Diego to Bulgaria

Cheapest flights from San Diego to Bulgaria
Explore the most affordable flight options available from San Diego to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 10, 2025.

This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2812:42 pmSAN - SOF
2 stops24h 03mUnited Airlines
Wed 1/286:05 amSOF - SAN
1 stop19h 40mUnited Airlines
Deal found 12/9$735
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:40 amSAN - SOF
2 stops29h 05mUnited Airlines
Mon 2/26:05 amSOF - SAN
2 stops39h 48mUnited Airlines
Deal found 12/9$742
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:40 amSAN - SOF
2 stops29h 05mUnited Airlines
Tue 1/272:00 pmSOF - SAN
2 stops20h 15mUnited Airlines
Deal found 12/9$745
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:45 pmSAN - SOF
2 stops34h 30mUnited Airlines
Wed 1/286:05 amSOF - SAN
1 stop19h 40mUnited Airlines
Deal found 12/9$748
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:30 pmSAN - SOF
2 stops29h 20mUnited Airlines
Fri 1/306:05 amSOF - SAN
1 stop19h 40mUnited Airlines
Deal found 12/9$749
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:45 pmSAN - SOF
2 stops34h 30mUnited Airlines
Sat 1/312:00 pmSOF - SAN
2 stops20h 15mUnited Airlines
Deal found 12/9$753
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:30 pmSAN - SOF
2 stops29h 20mUnited Airlines
Wed 1/286:05 amSOF - SAN
2 stops39h 48mUnited Airlines
Deal found 12/9$755
This Lufthansa deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amSAN - SOF
2 stops20h 50mLufthansa
Fri 1/306:10 amSOF - SAN
2 stops21h 18mLufthansa
Deal found 12/9$757
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:55 pmSAN - SOF
2 stops40h 50mUnited Airlines
Sat 1/312:00 pmSOF - SAN
1 stop35h 45mUnited Airlines
Deal found 12/9$758
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:30 pmSAN - SOF
2 stops29h 20mUnited Airlines
Sat 1/312:00 pmSOF - SAN
2 stops20h 15mUnited Airlines
Deal found 12/9$759
This SWISS deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:00 pmSAN - SOF
3 stops61h 15mSWISS
Thu 1/294:00 pmSOF - SAN
2 stops38h 49mSWISS
Deal found 12/9$761

Find flight deals from San Diego to Bulgaria

Keep the following information in mind while searching for San Diego to Bulgaria flight deals. Data was last updated December 10, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$557
(United Airlines)

Popular in

June

Cheapest in

March

Average price

$1,301
Provider with most accurate pricing for San Diego-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Sofia flights.
Search Deals
From San Diego to Bulgaria
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($159 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego 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, Cheapflights users made 2,558,603 searches. Data last updated December 10, 2025.
Use the filters below to find and compare flights from San Diego to Bulgaria that are best for you.

Fly from

San Diego

Fly to

Bulgaria

Route

Depart

Return

Price

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Fri 1/30

4:00 pm-10:45 pm

2 stops20h 45m

Sofia

Tue 2/3

6:00 am-9:56 pm

2 stops25h 56m

$557

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Fri 3/20

6:35 pm-10:45 pm

1 stop19h 10m

Sofia

Tue 3/31

6:10 am-3:25 pm

1 stop19h 15m

$676

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Sat 3/21

10:30 pm-10:45 pm

2 stops39h 15m

Sofia

Mon 3/30

12:50 pm-3:25 pm

1 stop36h 35m

$683

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Wed 2/4

5:35 pm-10:45 pm

1 stop19h 10m

$1,151

San DiegoSofia

SAN - SOF

SANSOF

San Diego

Wed 2/4

4:01 pm-5:45 pm

2 stops39h 44m

$1,187

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Best time to book a flight from San Diego to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Bulgaria

What is the cheapest month to book a flight from San Diego to Bulgaria?

Currently, March is the cheapest month in which you can book a flight from San Diego to Bulgaria (average of $571). Flying from San Diego to Bulgaria in June is currently the most expensive (average of $1,119). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Bulgaria

Get insights into the airlines that provide service to Bulgaria. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bulgaria. Reviews last updated December 10, 2025.
Read reviews from past customers who have flown United Airlines and Lufthansa from San Diego to Bulgaria. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,092 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,619 reviews
United Airlines
7.4
Good
9,092 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from San Diego to Bulgaria. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Diego to Bulgaria?

    Most people fly from San Diego (SAN) if they book a flight from San Diego to Bulgaria. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

  • How long is the flight from San Diego to Bulgaria?

    There are many flights that can get you from San Diego to Bulgaria in 20h 45m. Fly via United Airlines to get the fastest option. The distance from San Diego to Bulgaria is about 6655 mi.

  • Can I find deals for flights from San Diego to Bulgaria that include hotel bookings?

    Yes. In addition to deals on San Diego to Bulgaria flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Bulgaria?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Bulgaria.

  • Can I find deals for business class flights from San Diego to Bulgaria?

    Yes. Cheapflights offers flight deals from San Diego to Bulgaria by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Bulgaria?

    Currently, March is the cheapest month in which you can book a flight from San Diego to Bulgaria (average of $571). Flying from San Diego to Bulgaria in June is currently the most expensive (average of $1,119). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from San Diego to Bulgaria

Discover the top 2 airlines that operate flights from San Diego to Bulgaria. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$675Average$1,250FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$780Average$1,010FlexibilityNo cancel feeOn-time69%

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