Flights from Bilbao to Sofia and flight information

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Flight prices from Bilbao to Sofia

Planning a trip from Bilbao to Sofia and looking for the best fares? On Aviasurf you can find the latest prices for any day and choose the most convenient flight. Book a flight from Bilbao to Sofia from $53. with departure on November 25, 2026.

Climate in Sofia and when to travel

The warmest months in Sofia are July and August, each with an average monthly air temperature of 21.8 °C. The coldest month in Sofia is January, with an average monthly air temperature of 0.2 °C. The months with the lowest average monthly precipitation in Sofia are August and September, at 39 mm each.

For the nearest observed departure in November, the climate normals are: average monthly air temperature 6.7 °C, monthly precipitation 40 mm, and daylight 9.6 hours.

Fare calendar for flights from Bilbao to Sofia

Explore fare trends for flights Bilbao — Sofia with our calendar. It helps you see ticket prices for each day of any month and optimize your travel budget. The tool makes finding the best deals even easier and more convenient.

Current flight offers from Bilbao to Sofia

Below is a selection of tickets on the Bilbao – Sofia route. Use our search to view all tickets on this route. For a more precise search, apply filters by airline, airports, flight duration, stops, baggage, cabin class, and departure or arrival time.

Cheapest fare with 1 stop from Bilbao to Sofia

Found in the last 48 hours: a ticket from Vueling. Departure from Bilbao Airport (BIO) is scheduled for 25.11.2026 at 11:20. Arrival at Sofia airport Sofia Airport (SOF) is expected on 26.11.2026 at 17:45. Ticket price is $53. Flight time 29 hours and 25 minutes. No checked baggage Find the same ticket

Cheapest flight

Vueling

VY 6022

11:20

Bilbao (BIO)

25.11.2026

BIO

SOF

29h 25m

with 1 stop

17:45

Sofia (SOF)

26.11.2026

No baggage

Airbus Industrie A320

Economy

$53

Find flight

Most convenient fare with 1 stop from Bilbao to Sofia

Found in the last 48 hours: a ticket from Ryanair. Departure from Bilbao Airport (BIO) is scheduled for 12.11.2026 at 16:20. Arrival at Sofia airport Sofia Airport (SOF) is expected on 12.11.2026 at 23:40. Ticket price is $100. Flight time 6 hours and 20 minutes. No checked baggage. Find the same ticket

Ticket details:

Volotea

V7 3536

16:20

Bilbao (BIO)

12 Nov

BIO

VLC

1h 10m

17:30

Valencia (VLC)

12 Nov

No baggage

Airbus Industrie A320

Economy

Transfer in Valencia for 2 hours and 5 minutes

Ryanair

FR 9238

19:35

Valencia (VLC)

12 Nov

VLC

SOF

3h 5m

23:40

Sofia (SOF)

12 Nov

No baggage

Boeing 737-800 With Winglets

Economy

General flight information from Bilbao to Sofia

Straight-line distance between cities

2135 km

1327 miles

Flight time

6 h 20 min

Fastest observed itinerary with connections

Time difference

1 hour

Sofia is ahead of Bilbao

See also:

Flights from Sofia to Bilbao for the return trip
Tickets from Bilbao to any destination
Fares from Sofia to any destination
Tickets from Bulgaria to any destination
Tickets from Spain to any destination
Prices for flights to Bilbao
Cheap tickets to Bulgaria
Find flights from Bilbao to Bulgaria
Flights from Sofia to Spain
Flights from Spain to Bulgaria
Flights from Bulgaria to Spain

Flight schedule from Bilbao to Sofia

Airports for flights from Bilbao to Sofia

The Bilbao — Sofia route is served by the following airports:

Airports in Bilbao

Airport	Distance to city center	Lowest fare	Note
Bilbao Airport (BIO)	6 km	$53

Distances are straight-line distances to the city center.

Airports in Sofia

Airport	Distance to city center	Lowest fare	Note
Sofia Airport (SOF)		$53

Distances are straight-line distances to the city center.

Airlines on itineraries from Bilbao to Sofia

Available itineraries from Bilbao to Sofia involve 13 airlines; shown below: 12. Lufthansa appears most often in the observed options.

Lufthansa

Flight numbers by segment: LH 1426 LH 1831 LH 1702 LH 1825 LH 4158 LH 1827 LH 1706

Bulgaria Air

Flight numbers by segment: FB 462 FB 808 FB 408

Ryanair

Flight numbers by segment: FR 3400 FR 9238

SWISS

Flight numbers by segment: LX 8227 LX 1390

Austrian Airlines

Flight numbers by segment: OS 440 OS 775

Turkish Airlines

Flight numbers by segment: TK 1316 TK 1029

Iberia

Flight numbers by segment: IB 1100 IB 7861

Vueling

Flight numbers by segment: VY 6022

Volotea

Flight numbers by segment: V7 3536

THAI Airways

Flight numbers by segment: TG 7729

KLM

Flight numbers by segment: KL 1522

Aegean Airlines

Flight numbers by segment: A3 707

Aircraft used on itinerary segments from Bilbao to Sofia

Observed itinerary segments from Bilbao to Sofia use 2 models of aircraft across 13 airlines.

Airbus Industrie A320

Boeing 737-800 With Winglets

Connecting cities for flights from Bilbao to Sofia

Flying from Bilbao to Sofia with a layover? Consider these connecting cities:

Milan

Valencia

Flights from Bilbao to Bulgaria

Below are the most popular routes from Bilbao to Bulgaria at the lowest prices from airlines on different dates, with no commission.

Vueling

VY 6022

Flights Bilbao — Sofia→

11:20

Bilbao (BIO)

25.11.2026

BIO

SOF

29h 25m

with 1 stop

17:45

Sofia (SOF)

26.11.2026

No baggage

Airbus Industrie A320

Economy

from $53

Find flight

Vueling

VY 6022

Flights Bilbao — Varna→

11:20

Bilbao (BIO)

04.11.2026

BIO

VAR

37h 10m

with 1 stop

01:30

Varna (VAR)

06.11.2026

No baggage

Airbus Industrie A320

Economy

from $84

Find flight

Frequently asked questions about flights from Bilbao to Sofia

Which airlines operated the lowest-priced itinerary we observed from Bilbao to Sofia?

The lowest-priced itinerary we observed was $53 and included segments operated by Vueling, Ryanair. This result is based on 2 distinct offers for the route. The offers were found from October 23, 2026 to October 27, 2026.

On which date have we observed the lowest fare from Bilbao to Sofia?

The lowest fare we observed was $53 for departure on November 25, 2026. This is an observation from 2 distinct offers, not a prediction of future prices. The offers were found from October 23, 2026 to October 27, 2026.

How much does a flight from Bilbao to Sofia cost?

Flight prices from Bilbao to Sofia can vary greatly depending on airline, cabin class, season, and booking time. The lowest fare is $53.

Which airlines appear in available itineraries from Bilbao to Sofia?

Available itineraries from Bilbao to Sofia may include flight segments operated by Vueling, Ryanair, Volotea, THAI Airways, Lufthansa, KLM, Bulgaria Air, SWISS, Aegean Airlines, Austrian Airlines, Turkish Airlines, Iberia, Brussels Airlines.

How long is the flight from Bilbao to Sofia?

The schedule data currently available to us does not list a nonstop flight from Bilbao to Sofia. Recently observed itineraries with a plane change took from 6 hours and 20 minutes.

Are there direct flights from Bilbao to Sofia?

The schedule data currently available to us does not show a nonstop flight from Bilbao to Sofia. Other routings may be available — use our search to check options for your dates.

How much is a round-trip ticket Bilbao — Sofia?

Round-trip fares from Bilbao to Sofia vary by season, booking date, airline, and cabin class. The cheapest fare found is $223 with departure on December 4, 2026 and return on December 10, 2026. Use our search for the most up-to-date prices.

What are the carry-on baggage rules for flights from Bilbao to Sofia?

Carry-on rules for flights from Bilbao to Sofia vary by airline. Typically passengers can bring one carry-on bag and one personal item such as a laptop bag or handbag. Weight and size limits usually are around 7–10 kg and 55x40x20 cm. Liquids and some items have additional security rules. Always check the specific airline policy before you fly.

What are the rules for traveling with pets on flights from Bilbao to Sofia?

Pet transport rules vary by airline. Generally pets must be in approved carriers. Some airlines allow small pets in the cabin, while larger pets must travel in the cargo hold. Health documents and certificates are required. Please confirm all requirements with your chosen airline.

How early should I arrive at the airport for a flight from Bilbao to Sofia?

Arrive early — typically 2–3 hours before international flights and 1–2 hours before domestic flights. This allows time for check‑in, baggage drop, and security. Peak periods or certain destinations may require extra time.

What additional fees can occur when booking a ticket from Bilbao to Sofia?

Additional fees can include seat selection, extra or special baggage, onboard meals, ticket changes or cancellations, early or late check‑in, and insurance. We do not add booking fees, but extra charges depend on the airline and fare rules.

Are there discounts or promotions for flights from Bilbao to Sofia?

Discounts and promotions vary by airline and booking period. Many airlines run deals outside peak seasons or for early bookings. Check our site regularly for the latest offers, as availability can change quickly.

Are there night flights from Bilbao to Sofia?

Yes, there are night flights from Bilbao to Sofia operated by various airlines. These can be convenient for travelers looking to save daytime hours. Check current schedules and availability in our search.

Are there Wi‑Fi flights on the Bilbao - Sofia route?

Wi‑Fi availability on Bilbao - Sofia flights varies by airline and aircraft. Check details with specific airlines or use our search to see current options.

What are the most common transfer options on flights from Bilbao to Sofia?

Flights from Bilbao to Sofia can include various transfer options depending on the airline. Popular layover cities include Milan, Valencia. Use our search to find the best transfer options.

What onboard services are provided on Bilbao - Sofia flights?

Onboard services vary by airline. Typically passengers can expect entertainment, meals, and beverages, and some carriers offer Wi‑Fi or additional amenities. Check with the airline or use our search for details.

Which airports serve the Bilbao - Sofia route?

The Bilbao - Sofia route is usually served by these departure airports: Bilbao Airport. Arrival is usually through these airports: Sofia Airport. Exact airport combinations depend on the airline and selected flight. Use our search for details.

What aircraft fly the Bilbao - Sofia route?

Airlines operate various aircraft types on the Bilbao - Sofia route. Examples include Airbus Industrie A320, Boeing 737-800 With Winglets and other models. Aircraft type depends on the carrier and specific flight. Use our search for up‑to‑date details.

Which connecting cities are common on the Bilbao - Sofia route?

The Bilbao - Sofia route may include different connecting cities, especially for non‑direct flights. Possible connections include Milan, Valencia and others. Use our search to find the best option.