A historic building with domed architecture and a red-tiled roof, surrounded by a forested hillside.

Cheap Flights to Rila Mountains from HK$183

View HK$183 flight on Mon, 9 Nov 2026Opens in a new window

Flight 1

Flight 2

Popular airlines

  • Lufthansa

  • Austrian Airlines

  • Turkish Airlines

  • Swiss International Air Lines

  • LOT-Polish Airlines

  • Air Serbia

  • Aegean

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Rila Mountains

Prices were available within the past 7 days and start at HK$183 for one-way flights and HK$476 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wizz Air
Mon, 9 Nov - Mon, 16 Nov
FMM
Memmingen
SOF
Sofia
HK$476 Return, found 9 hours ago
HK$476
Return
found 9 hours ago
Select Wizz Air flight, departing Mon, 9 Nov from Memmingen to Sofia, returning Mon, 16 Nov, priced at HK$476 found 9 hours ago
Austrian Airlines
Fri, 16 Oct - Sat, 17 Oct
VIE
Vienna
SOF
Sofia
HK$1,073 Return, found 4 days ago
HK$1,073
Return
found 4 days ago
Select Austrian Airlines flight, departing Fri, 16 Oct from Vienna to Sofia, returning Sat, 17 Oct, priced at HK$1,073 found 4 days ago
Pegasus Airlines
Fri, 17 Jul - Sun, 19 Jul
SAW
Istanbul
SOF
Sofia
HK$1,109 Return, found 5 days ago
HK$1,109
Return
found 5 days ago
Select Pegasus Airlines flight, departing Fri, 17 Jul from Istanbul to Sofia, returning Sun, 19 Jul, priced at HK$1,109 found 5 days ago
SKY express
Thu, 3 Sept - Sun, 6 Sept
ATH
Athens
SOF
Sofia
HK$1,136 Return, found 6 days ago
HK$1,136
Return
found 6 days ago
Select SKY express flight, departing Thu, 3 Sept from Athens to Sofia, returning Sun, 6 Sept, priced at HK$1,136 found 6 days ago
Lufthansa
Thu, 7 Jan - Mon, 11 Jan
ATH
Athens
SOF
Sofia
HK$1,393 Return, found 19 hours ago
HK$1,393
Return
found 19 hours ago
Select Lufthansa flight, departing Thu, 7 Jan from Athens to Sofia, returning Mon, 11 Jan, priced at HK$1,393 found 19 hours ago

Frequently asked questions

How do I find cheap flights to Rila Mountains that have flexible change policies?
When it comes to traveling these days, flexibility is a must. That's why we have a "No change fee" search function to help you track down flexible and cheap airfares to Rila Mountains. It's at the top left of your screen right underneath the "Flexible change policies" subheading.
How can I find cheap tickets to Rila Mountains?
One of the easiest ways to bag cheap tickets to Rila Mountains is to be flexible with your travel dates. Search for your flights, then click "flexible dates" at the top of your results. You'll see the cheapest prices for nearby days. The best price for a flight to Rila Mountains in the last seven days was HK$476. Booking well ahead will generally help you pick up an even bigger bargain.
How much is a flight to Rila Mountains?
The price of a round-trip ticket to Rila Mountains in the last seven days varied between HK$476 and HK$5,149. If you were journeying one way out of Memmingen (FMM), you could have scored a fare from just HK$183.
When is the cheapest time to fly to Rila Mountains?
If you'd prefer to spend your holiday savings experiencing the delights of Rila Mountains rather than on your journey there, depart early in the week. The most economical day to travel is generally Tuesday, with Monday coming in second. With many folks travelling on weekends, Saturday typically has the costliest airfares.
How much is a plane ticket to Rila Mountains?
Seats to Rila Mountains varied from HK$476 to HK$5,149 in the last seven days. Normally, the quicker you book the better the price.
What months are the cheapest to book a flight to Rila Mountains?
Reserve your ticket in February to unlock inexpensive flights to Rila Mountains. The month of December is known as the most expensive time to buy an airfare.

Travel information

Destination airport
Sofia
Destination airport IATA code
SOF
Destination city name
Sofia
Return price
HK$476

Trending flights to Rila Mountains

Prices were available within the past 7 days and start at HK$183 for one-way flights and HK$476 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Mon, 1 Mar - Sun, 14 Mar
HKG
Hong Kong SAR
SOF
Sofia
HK$5,149 Return, found 3 days ago
HK$5,149
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, 1 Mar from Hong Kong SAR to Sofia, returning Sun, 14 Mar, priced at HK$5,149 found 3 days ago

Explore a world of travel with Expedia

*Available to Expedia members.