Cheap flights from Billund to Madrid

Book earlier rather than later, since every option connects and the better departure times go first. April is the cheapest month in the listed fares, while October to July are the months with shown prices. Outside that, look at school holiday periods, the destination's summer and the Christmas period, when fares on city routes often rise; midweek flights can be calmer than weekend ones, but check the calendar rather than assuming.

The list mixes carriers that sell unbundled fares with carriers that sell bundled ones, so read the fare rules before comparing totals. Norwegian International, Norwegian, Air Baltic, Wizz Air Malta, Wizz Air and Scandinavian Airlines sit alongside Air France, KLM Royal Dutch Airlines, LOT Polish Airlines and Turkish Airlines, and none of the listed options is direct. On a connecting route, the same airline may put you on a partner flight, so check which carrier actually operates each leg and what baggage, seat and change rules apply to that ticket.

Arriving late in the day changes the onward journey, because fewer public transport options may be running and taxi queues can be longer. Barajas is not next to Madrid's centre, and the usual ways into town are metro, bus, taxi or a pre-booked car; check which terminal you land at before choosing one. Watch for a terminal change on a connection, and allow time for passport control if your transfer is on separate tickets.

Currency

EUR (€)

Power sockets

Type C, F · 230 V

Language

Spanish

Emergency number

112, 061, 091

Driving side

right

Calling code

+34

Internet domain

.es

EU / Schengen

EU member, Schengen area

Population of Madrid

3.5 M (2025)

Time zone

UTC+01 (Europe/Madrid)

Country facts: Wikidata

• Check which extras cost extra before you compare fares, especially cabin and checked bags on the lower-fare brands.
• Check the departure and arrival airports on every leg, even though Billund has one airport and Madrid is served through Barajas.
• Check whether both flights are on one ticket or separate tickets, because missed connections are handled differently.
• Compare transfer times realistically, since late arrivals leave less room for delays and fewer onward options.
• Look at April first if your dates are flexible, then test school holiday and summer dates before booking.
• Check ID, passport and any visa or entry rules for Spain before you pay.