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Cheap flights from London, ON to Bulgaria from C$ 778

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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SOF
18 may. — 25 may.1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Bulgaria

Enter your travel dates to find the best prices.

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 18 abril 2026.

mié. 7/105:40 a.m.
YXU
-
SOF
2 stops23h 30m
Air Canada
dom. 11/1012:55 p.m.
SOF
-
YXU
2 stops51h 00m
Air Canada
Deal found 17/4C$ 1,631
mar. 7/73:30 p.m.
YXU
-
SOF
2 stops24h 40m
Multiple Airlines
lun. 20/710:55 a.m.
SOF
-
YXU
3 stops33h 55m
Multiple Airlines
Deal found 13/4C$ 1,721
jue. 7/59:30 a.m.
YXU
-
SOF
2 stops26h 10m
Air Canada
lun. 11/56:10 a.m.
SOF
-
YXU
2 stops22h 28m
Air Canada
Deal found 13/4C$ 1,811

Find flight deals from London to Bulgaria

Keep the following information in mind while searching for London to Bulgaria flight deals. Data was last updated 18 abril 2026.

Round-trip from

C$ 1,631

One-way from

C$ 778
Air Canada
  • Air Canada
  • 7/10-11/10
  • 4 total stops
  • 74h 30m total
  • London to Bulgaria
Search Deals
30/5
  • 30/5
  • 3 total stops
  • 47h 55m total
  • London to Bulgaria
Search Deals

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 18 abril 2026.
Use the filters below to find and compare flights from London to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSofia

YXU - SOF

YXUSOF

London

mié. 7/10

5:40 a.m.-12:10 p.m.

2 stops23h 30m

Sofia

dom. 11/10

12:55 p.m.-8:55 a.m.

2 stops51h 00m

C$ 1,631

LondonSofia

YXU - SOF

YXUSOF

London

mar. 7/7

3:30 p.m.-11:10 p.m.

2 stops24h 40m

Sofia

lun. 20/7

10:55 a.m.-1:50 p.m.

3 stops33h 55m

C$ 1,721
Quickest round-trip

LondonSofia

YXU - SOF

YXUSOF

London

jue. 7/5

9:30 a.m.-6:40 p.m.

2 stops26h 10m

Sofia

lun. 11/5

6:10 a.m.-9:38 p.m.

2 stops22h 28m

C$ 1,811
Cheapest one-way

LondonSofia

YXU - SOF

YXUSOF

London

sáb. 30/5

5:55 p.m.-12:50 a.m.

3 stops47h 55m

C$ 778
Quickest one-way

LondonSofia

YXU - SOF

YXUSOF

London

vie. 29/5

12:20 p.m.-2:25 p.m.

2 stops43h 05m

C$ 6,533

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

Sorted by cheapest first

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
No data available for this route at this time. Please check back soon.

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$ 1,631, Air Canada can have you in Bulgaria from London, Ontario in 23h 30m. 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.

See more FAQs

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Fly with Cheapflights

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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.

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