HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sofia

$48+ Cheap flights from Bucharest (BUH) to Sofia (SOF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — SOF
Aug 13 — Aug 201
Thu 8/13
Thu 8/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bucharest to Sofia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Bucharest to Sofia

Cheapest flights from Bucharest to Sofia
Explore the most affordable flight options available from Bucharest to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 14, 2026.

This Mytrip deal was found by Cheapflights users on 7/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:15 am
OTP
-
SOF
1 stop11h 35m
Multiple Airlines
Mon 8/249:30 pm
SOF
-
OTP
1 stop11h 05m
Multiple Airlines
Deal found 7/13$117
This Mytrip deal was found by Cheapflights users on 7/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:20 pm
OTP
-
SOF
Nonstop1h 15m
TAROM
Mon 8/241:00 pm
SOF
-
OTP
Nonstop1h 05m
TAROM
Deal found 7/13$143
This Mytrip deal was found by Cheapflights users on 7/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:20 am
OTP
-
SOF
Nonstop1h 15m
TAROM
Mon 8/241:00 pm
SOF
-
OTP
Nonstop1h 05m
TAROM
Deal found 7/13$146
This Booking.com deal was found by Cheapflights users on 7/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:20 am
OTP
-
SOF
Nonstop1h 15m
TAROM
Thu 12/107:45 pm
SOF
-
OTP
Nonstop1h 05m
TAROM
Deal found 7/12$150
This Mytrip deal was found by Cheapflights users on 7/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:20 pm
OTP
-
SOF
Nonstop1h 15m
Multiple Airlines
Mon 8/249:30 pm
SOF
-
OTP
1 stop11h 05m
Multiple Airlines
Deal found 7/13$152
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:40 am
OTP
-
SOF
1 stop16h 30m
Multiple Airlines
Wed 8/126:30 pm
SOF
-
OTP
1 stop7h 05m
Multiple Airlines
Deal found 7/12$153

Find flight deals from Bucharest to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Bucharest (BUH) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$117
(Mytrip)

One-way from

$52
(Mytrip)

Popular in

September

Cheapest in

November

Good one-way deal

$97 or less
Provider with most accurate pricing for Bucharest (BUH)-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bucharest (BUH)-Sofia flights.
Search Deals
From Bucharest (BUH) to Sofia
Search Deals
One-way flight from Bucharest (BUH) to Sofia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Price to beat on a one-way flight from Bucharest (BUH) to Sofia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bucharest 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, Cheapflights users made 2,558,603 searches. Data last updated July 14, 2026.
Use the filters below to find and compare flights from Bucharest to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BucharestSofia

OTP - SOF

OTPSOF

Bucharest Otopeni Intl

Thu 8/20

7:20 pm-8:35 pm

Nonstop1h 15m

Sofia

Mon 8/24

1:00 pm-2:05 pm

Nonstop1h 05m

$162

BucharestSofia

OTP - SOF

OTPSOF

Bucharest Otopeni Intl

Wed 9/30

4:05 pm-3:00 am

1 stop10h 55m

Sofia

Fri 10/2

5:00 am-3:20 pm

1 stop10h 20m

$162

BucharestSofia

OTP - SOF

OTPSOF

Bucharest Otopeni Intl

Sun 12/6

4:30 am-3:25 pm

1 stop10h 55m

Sofia

Thu 12/10

4:05 pm-3:20 pm

1 stop23h 15m

$162

BucharestSofia

OTP - SOF

OTPSOF

Bucharest Otopeni Intl

Mon 12/7

8:20 am-9:35 am

Nonstop1h 15m

Sofia

Thu 12/10

5:00 am-3:20 pm

1 stop10h 20m

$170

BucharestSofia

OTP - SOF

OTPSOF

Bucharest Otopeni Intl

Thu 8/20

1:05 pm-12:30 am

1 stop11h 25m

Sofia

Mon 8/24

3:45 pm-10:40 am

2 stops18h 55m

$182

BucharestSofia

OTP - SOF

OTPSOF

Bucharest Otopeni Intl

Wed 8/12

7:50 pm-9:15 am

1 stop13h 25m

Sofia

Tue 8/18

7:10 am-6:15 pm

2 stops11h 05m

$186

BucharestSofia

OTP - SOF

OTPSOF

Bucharest Otopeni Intl

Wed 8/5

10:05 am-8:40 pm

1 stop10h 35m

Sofia

Sun 8/9

4:00 pm-3:05 am

1 stop11h 05m

$188

BucharestSofia

OTP - SOF

OTPSOF

Bucharest Otopeni Intl

Wed 9/30

8:20 am-9:35 am

Nonstop1h 15m

Sofia

Fri 10/2

8:35 pm-9:40 pm

Nonstop1h 05m

$230
Cheapest one-way

BucharestSofia

OTP - SOF

OTPSOF

Bucharest Otopeni Intl

Mon 10/5

10:35 pm-11:10 am

1 stop12h 35m

$52

BucharestSofia

OTP - SOF

OTPSOF

Bucharest Otopeni Intl

Thu 10/15

7:35 pm-11:10 am

1 stop15h 35m

$55

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 15 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Bucharest-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bucharest-Sofia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bucharest-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bucharest-Sofia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bucharest-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Bucharest to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Bucharest 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 Bucharest to Sofia

What is the cheapest month to book a flight from Bucharest to Sofia?

Currently, November is the cheapest month in which you can book a flight from Bucharest to Sofia (average of $59). Flying from Bucharest to Sofia in July is currently the most expensive (average of $242). 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.

What is the cheapest time of day to fly from BUH to SOF?

Find hourly flight availability from Bucharest to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 14, 2026.

When flying from Bucharest to Sofia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from Bucharest to Sofia delayed?

About 13% of weekly flights between Bucharest and Sofia have experienced delays in the past year, with the average delay time being 102 minutes.

What is the most punctual flight time for Bucharest to Sofia flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Bucharest to Sofia flights?

Over the last year, Aruba Airlines have had the lowest number of delays on this route, with just 7% of flights being delayed.

Related info for your journey

Find useful and relevant information for your journey from Bucharest to Sofia. 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 into for flights to Sofia from Bucharest?

    Most people fly into Sofia (SOF) if they book a flight to Sofia from Bucharest. On average, Sofia has 0 inbound flights from Bucharest per day from 0 airlines. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

  • How long is the flight from Bucharest to Sofia?

    For as low as $162, TAROM can have you in Sofia from Bucharest in 1h 15m. There are 187 mi between Bucharest and Sofia. This flight may include one or multiple stops.

  • What are the most reliable airlines from Bucharest to Sofia?

    The top 3 most reliable airlines when flying from Bucharest to Sofia are Air France (82%), Bulgaria Air (82%) and TAROM (82%).

  • What are the cheapest flights from Bucharest to Sofia?

    On average you can expect to pay $98 for a flight from Bucharest to Sofia. The cheapest flight overall is $95 while the most popular route, (Bucharest Otopeni Intl - Sofia) is currently priced at $166.

  • Can I find deals for flights from Bucharest to Sofia that include hotel bookings?

    Yes. In addition to deals on Bucharest to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bucharest to Sofia?

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

  • Can I find deals for business class flights from Bucharest to Sofia?

    Yes. Cheapflights offers flight deals from Bucharest to Sofia 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 Bucharest to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Bucharest to Sofia (average of $59). Flying from Bucharest to Sofia in July is currently the most expensive (average of $242). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.
Sofia car rentals
Sofia Airport car rentals
Plovdiv Airport car rentals

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.