BUH - SOF

$51 Find Cheap Flights from Bucharest to Sofia - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$104
Typical prices: $191-$289
Multiple Airlines
Wed 12/26Thu 1/18
OTP - SOF • 1 stop
Cheapest non-stop
$168
Typical prices: $201-$287
TAROM
Mon 12/3Fri 12/7
OTP - SOF • Non-stop
Nonstop flights
5 days a week
You can fly direct with TAROM. Average duration is 1h 15m
Direct flights
+1
Direct flights
+1
Top routes
BBU - SOF
Cheapest • 39% average savings
OTP - SOF
Most popular
Insights
Insights
Avoid delays
TAROM
Most punctual • 88% on-time
Afternoon
Best time • Fewest delays
Insights
Insights
When to travel
December
Cheapest • 35% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Bergamo Orio Al Serio (BGY)
Cheapest • Avg $127 (round-trip)
Istanbul (IST)
Shortest trip • 4h 47m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Sofia!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Bucharest to Sofia (BUH-SOF)

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

Recent round-trip flight deals from Bucharest to Sofia

Sat, Dec 26 - Mon, Jan 18
Multiple Airlines Logo
1:15 pm - 7:20 pmOTP  Bucharest Otopeni Intl-SOF Sofia
6h 05m1 stop Chișinău Intl
Multiple Airlines Logo
7:00 am - 5:40 pmSOF  Sofia-OTP Bucharest Otopeni Intl
10h 40m1 stop Bari Palese
$104Multiple Airlines
Wed, Dec 16 - Mon, Dec 21
Multiple Airlines Logo
6:00 am - 11:20 amOTP  Bucharest Otopeni Intl-SOF Sofia
5h 20m1 stop Bergamo Orio Al Serio
Multiple Airlines Logo
11:55 am - 9:55 pmSOF  Sofia-OTP Bucharest Otopeni Intl
10h 00m1 stop Chișinău Intl
$106Multiple Airlines
Sat, Dec 19 - Mon, Dec 21
Multiple Airlines Logo
1:15 pm - 7:20 pmOTP  Bucharest Otopeni Intl-SOF Sofia
6h 05m1 stop Chișinău Intl
Multiple Airlines Logo
11:55 am - 4:00 pmSOF  Sofia-OTP Bucharest Otopeni Intl
4h 05m1 stop Chișinău Intl
$109Multiple Airlines
Sat, Dec 26 - Sat, Jan 16
Multiple Airlines Logo
1:15 pm - 7:20 pmOTP  Bucharest Otopeni Intl-SOF Sofia
6h 05m1 stop Chișinău Intl
Multiple Airlines Logo
3:45 pm - 9:55 pmSOF  Sofia-OTP Bucharest Otopeni Intl
6h 10m1 stop Chișinău Intl
$110Multiple Airlines
Sat, Dec 19 - Mon, Dec 21
Multiple Airlines Logo
1:15 pm - 7:20 pmOTP  Bucharest Otopeni Intl-SOF Sofia
6h 05m1 stop Chișinău Intl
Multiple Airlines Logo
11:55 am - 4:00 pmSOF  Sofia-OTP Bucharest Otopeni Intl
4h 05m1 stop Chișinău Intl
$112Multiple Airlines
Sat, Dec 5 - Mon, Dec 7
Multiple Airlines Logo
1:35 pm - 10:50 pmOTP  Bucharest Otopeni Intl-SOF Sofia
9h 15m1 stop Luqa Malta Intl
Multiple Airlines Logo
11:55 am - 4:00 pmSOF  Sofia-OTP Bucharest Otopeni Intl
4h 05m1 stop Chișinău Intl
$114Multiple Airlines
Sat, Dec 5 - Mon, Dec 7
Multiple Airlines Logo
1:35 pm - 10:50 pmOTP  Bucharest Otopeni Intl-SOF Sofia
9h 15m1 stop Luqa Malta Intl
Multiple Airlines Logo
11:55 am - 4:00 pmSOF  Sofia-OTP Bucharest Otopeni Intl
4h 05m1 stop Chișinău Intl
$120Multiple Airlines
Wed, Dec 16 - Mon, Dec 21
Multiple Airlines Logo
6:15 am - 7:10 pmOTP  Bucharest Otopeni Intl-SOF Sofia
12h 55m2 stops Pisa Gal Galilei Palermo Punta Raisi
Multiple Airlines Logo
11:55 am - 4:00 pmSOF  Sofia-OTP Bucharest Otopeni Intl
4h 05m1 stop Chișinău Intl
$122Multiple Airlines
Thu, Dec 10 - Sun, Dec 13
Multiple Airlines Logo
10:10 pm - 11:20 amOTP  Bucharest Otopeni Intl-SOF Sofia
13h 10m1 stop Bergamo Orio Al Serio
Multiple Airlines Logo
11:55 am - 12:35 amSOF  Sofia-OTP Bucharest Otopeni Intl
12h 40m1 stop Naples
$123Multiple Airlines
Thu, Dec 3 - Mon, Dec 7
Multiple Airlines Logo
7:40 am - 7:00 pmOTP  Bucharest Otopeni Intl-SOF Sofia
11h 20m1 stop Rome Fiumicino
Multiple Airlines Logo
11:55 am - 4:00 pmSOF  Sofia-OTP Bucharest Otopeni Intl
4h 05m1 stop Chișinău Intl
$129Multiple Airlines
Booking Insights

Price, demand and travel trends for Bucharest to Sofia flights

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

What is the cheapest Bucharest to Sofia flight route?

Bucharest Baneasa Airport (BBU) to Sofia (SOF) is the cheapest Bucharest to Sofia route, averaging $106 round-trip. Other Bucharest to Sofia routes average $244, based on KAYAK data over the past 12 months.

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Bucharest to Sofia. It’s 28% cheaper than the average day, while Monday is the most expensive, with prices 5% higher.

What’s the cheapest month to fly from Bucharest to Sofia?

•December is the cheapest month to fly from Bucharest to Sofia at $157 round-trip.
•February ($286) and April ($264) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 82% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Bucharest to Sofia flights

Low season

June

Cheapest flight

$51
Beat the crowds with an average 70% drop in travelers.
The most popular month to fly with an average 97% increase in travelers.
One-way flight from Bucharest Otopeni Intl Airport to Sofia

When to book flights from Bucharest to Sofia

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

Your Bucharest to Sofia flight questions, answered

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

  • What are the earliest and latest flights from Bucharest to Sofia?

    These are the earliest and latest flight times available from Bucharest to Sofia:

    • Earliest: departs at 8:20 am and lands at 9:35 am
    • Latest: departs at 6:15 pm and lands at 7:30 pm.

    The flight takes about 1h 15m.

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

    Two cabin classes are available on flights from Bucharest to Sofia:

    • Economy Class
    • Business Class

  • How long is a flight from Bucharest to Sofia?

    A nonstop flight from Bucharest to Sofia takes 1h 15m, covering 180 miles.

  • Do I need a passport to fly from Bucharest to Sofia?

    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 Bucharest to Sofia flight?

    Round-trip flights from Bucharest to Sofia range from $191 to $289, with an average of $241 over the past 12 months. Anything below $191 counts as a good deal.

  • How much can I save by taking a layover when flying from Bucharest to Sofia?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $127 round-trip via Bergamo Orio Al Serio (BGY), compared to $245 for nonstop.

  • What is the standard checked-bag allowance on flights from Bucharest to Sofia?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $72–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

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

    One-way fares from Bucharest to Sofia are currently lower than usual. Average one-way flight prices are about $67, which is 45% below the typical average for this route.

  • What car rental options are available at Sofia Airport (SOF)?

    Sofia Airport (SOF) hosts 5 major car rental companies, with daily rates averaging $21 for economy cars. Top options include:

    • MEXRENTACAR
    • NU Car
    • Top Rent a Car - Bulgaria
    • Priceless
    • Easyrent

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

    Flights from Bucharest to Sofia may depart from several airports in Bucharest area, including Bucharest Baneasa (BBU) and Bucharest Otopeni Intl (OTP). Flights usually arrive at Sofia (SOF).

  • What time of day has the fewest delays on flights from Bucharest to Sofia?

    Afternoon flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed from Bucharest to Sofia?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Bucharest to Sofia route, 12% of flights were delayed in the past 3 months, with delays averaging 1h 19m.

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

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

    • Vienna Intl (VIE) - 42% of one-stop connections
    • Bergamo Orio Al Serio (BGY) - 33% of one-stop connections
    • Warsaw Frederic Chopin (WAW) - 17% of one-stop connections
    • Istanbul (IST) - 8% of one-stop connections

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

    Yes. Flexible dates can save you up to 32% on flights from Bucharest to Sofia. Thursday is the cheapest departure day at $175 round-trip on average, while Monday is the most expensive at $254, a difference of $79.

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

  • What airlines fly from Bucharest to Sofia?

    Only TAROM operates flights between Bucharest and Sofia.

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

    Flying via Istanbul (IST) gives the shortest average 1-stop total travel time at 4h 47m, compared with 5h via Vienna Intl (VIE) and 5h 07m via Warsaw Frederic Chopin (WAW).

  • What popular places can I visit in Sofia?

    Some of the most popular sights in Sofia are Vasil Levski National Stadium, National Palace of Culture and Central Sofia Market Hall. These are among the most viewed places in Sofia on KAYAK.

  • Which airlines include bags at no extra cost on Bucharest to Sofia flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • TAROM: a cabin bag and a checked bag in Economy Class
    • Bulgaria Air: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Bucharest to Sofia 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 Thursday departure and avoid flying on Monday. On this route, Thursday flights average $175, about $79 less than Monday fares (31% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Bucharest to Sofia trip for December. Fares historically average $157 round-trip in that month - typically $129 less than the most expensive month, which is February (based on the last 12 months).
  • For the best chance of arriving on time, fly with TAROM. Over the past three months, 88% of TAROM flights from Bucharest to Sofia arrived on time, slightly above the route average of 88%. When flights on this route arrive late, they're delayed by an average of 1h 19m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Bergamo Orio Al Serio Airport (BGY) can be cheaper than flying direct. The cheapest layover option averages $127 round-trip on this route - about $118 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Sofia Airport.

    • Hotel Premier Airport Sofia
    • ibis Sofia Airport
    • Hotel Consul

Prefer to fly direct from Bucharest to Sofia?

 
Find which airlines fly direct from Bucharest to Sofia Airport, which days they fly and book direct flights.

Direct departures

Bucharest to Sofia

Monday

TAROM

TAROM

Tuesday

TAROM

TAROM

Wednesday

TAROM

TAROM

Thursday

TAROM

TAROM

Saturday

TAROM

TAROM

See more direct flights

Direct returns

Sofia to Bucharest

Monday

TAROM

TAROM

Tuesday

TAROM

TAROM

Wednesday

TAROM

TAROM

Thursday

TAROM

TAROM

Saturday

TAROM

TAROM

See more direct flights

More options for your flight from Bucharest to Sofia

Complete your trip to Sofia with a hotel stay or car rental

Car rentals in Sofia
Hotels in Sofia
Vacations in Sofia