Find flights
When to book
FAQs

Cheap flights from London, ON to Bulgaria from C$ 1,743

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SOF
27 Aug — 3 Sep1
1 adult

Cheap flight deals from London to Bulgaria

Keep the following information in mind while searching for London to Bulgaria flight deals. Data was last updated 22 August 2025.

Round-trip from

C$ 1,743
Lufthansa
  • Lufthansa
  • 29/9-3/10
  • 4 total stops
  • 69h 37m total
  • London to Bulgaria
Search Deals

Find flight deals from London to Bulgaria

Cheapest flights from London to Bulgaria
Explore the most affordable flight options available from London to Bulgaria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

Mon 29/910:00 a.m.YXU - SOF
2 stops19h 00mLufthansa
Fri 3/107:25 p.m.SOF - YXU
2 stops50h 37mLufthansa
Deal found 19/8C$ 1,743
Mon 29/910:00 a.m.YXU - SOF
2 stops19h 00mAir Canada
Fri 3/1012:00 p.m.SOF - YXU
2 stops34h 02mAir Canada
Deal found 20/8C$ 1,761

Cheapflights Fare Finder

 
Customize your flight search to find flights from London 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 629,999 searches. Data last updated 22 August 2025.
Use the filters below to find and compare flights from London to Bulgaria that are best for you.

Fly from

London

Fly to

Bulgaria

Route

Depart

Return

Price

LondonSofia

YXU - SOF

YXUSOF

London

Mon 29/9

10:00 a.m.-12:00 p.m.

2 stops19h 00m

Sofia

Fri 3/10

7:25 p.m.-3:02 p.m.

2 stops50h 37m

C$ 1,743

LondonSofia

YXU - SOF

YXUSOF

London

Mon 29/9

10:00 a.m.-12:00 p.m.

2 stops19h 00m

Sofia

Fri 3/10

12:00 p.m.-3:02 p.m.

2 stops34h 02m

C$ 1,761

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/8

Best time to book a flight from London to Bulgaria

Have a flexible travel schedule? Discover the best time to fly to Bulgaria from London 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 London to Bulgaria

What is the cheapest month to book a flight from London, Ontario to Bulgaria?

Currently, February is the cheapest month in which you can book a flight from London, Ontario to Bulgaria (average of C$ 807). Flying from London, Ontario to Bulgaria in July is currently the most expensive (average of C$ 1,177). 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.

Related info for your journey

Find useful and relevant information for your journey from London 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 London to Bulgaria?

    For a flight from London to Bulgaria, you will be flying from London. London (YXU) is just 8.6 km from the centre of the city.

  • How long is the flight from London, Ontario to Bulgaria?

    For as low as C$ 1,743, Lufthansa can have you in Bulgaria from London, Ontario in 19h. London, Ontario and Bulgaria are separated by a distance of 7875 km.

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

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

  • How can I find direct flights from London to Bulgaria?

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

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

    Yes. Cheapflights offers flight deals from London 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 London, Ontario to Bulgaria?

    Currently, February is the cheapest month in which you can book a flight from London, Ontario to Bulgaria (average of C$ 807). Flying from London, Ontario to Bulgaria in July is currently the most expensive (average of C$ 1,177). 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.

Alternative routes for London to Bulgaria

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Charles de Gaulle flights
Pearson Intl to Heathrow flights
Pierre Elliott Trudeau Intl to Lisbon flights
Pearson Intl to Lisbon flights
Pierre Elliott Trudeau Intl to Orly flights
Pearson Intl to Gatwick flights
Pearson Intl to Istanbul flights
Pearson Intl to Leonardo da Vinci/Fiumicino flights
Pearson Intl to Charles de Gaulle flights
Pierre Elliott Trudeau Intl to Leonardo da Vinci/Fiumicino flights
Pearson Intl to Dublin flights
Pierre Elliott Trudeau Intl to Heathrow flights
Pearson Intl to Frankfurt flights
Pierre Elliott Trudeau Intl to Istanbul flights
Pearson Intl to Athens flights
Pearson Intl to London City flights
Pierre Elliott Trudeau Intl to Madrid flights
Pierre Elliott Trudeau Intl to Athens flights
Pearson Intl to Amsterdam flights
Toronto Island to Heathrow flights
Pierre Elliott Trudeau Intl to Barcelona-El Prat flights
Pearson Intl to Barcelona-El Prat flights
Pearson Intl to Stansted flights
Pearson Intl to Luton flights
Pierre Elliott Trudeau Intl to Beauvais-Tille flights
Pierre Elliott Trudeau Intl to Málaga flights
Pierre Elliott Trudeau Intl to Porto flights
Toronto Island to Lisbon flights
Pearson Intl to Orly flights
Pierre Elliott Trudeau Intl to Nice flights
Pierre Elliott Trudeau Intl to Gatwick flights
Toronto Island to Gatwick flights
Pierre Elliott Trudeau Intl to Bruxelles-National flights
Pearson Intl to Sabiha Gokcen flights
Pierre Elliott Trudeau Intl to Frankfurt flights
Pearson Intl to Frederic Chopin flights
Pierre Elliott Trudeau Intl to Malpensa flights
Pearson Intl to Madrid flights
Pearson Intl to Vicenza flights
Pearson Intl to Zurich flights
Toronto Island to Istanbul flights
Toronto Island to Charles de Gaulle flights
Toronto Island to Leonardo da Vinci/Fiumicino flights
Toronto Island to Athens flights
Pierre Elliott Trudeau Intl to Amsterdam flights
Pearson Intl to Munich flights
Pearson Intl to Edinburgh flights
Pierre Elliott Trudeau Intl to London City flights
Pierre Elliott Trudeau Intl to Lyon flights
Pierre Elliott Trudeau Intl to Vicenza flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Bulgaria?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Bulgaria. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from London to Bulgaria?

Cheapflights helps you find that perfect flight to Bulgaria from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Bulgaria with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Bulgaria flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Bulgaria become cheaper?

Yes! Start tracking prices for London to Bulgaria flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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.