Most UK airports have regular routes to Alicante which is just 50 miles from Javea.
Valencia, which also offers many UK routes is also only 50 miles north of Javea town.

Travelling from Alicante Airport to Javea

(Don't forget to have 7 or 8 Euro at hand for the toll on the motorway)

Travel (km)	and then	to take	total (km)
0.00	Start out at Alicante Airport,Spain	Unclassified	0.00
0.41	Continue forward, then merge onto the N-338 (signposted Elche, Valencia, Murcia)	N-338	0.41
2.81	Continue forward, then join the A-7 motorway (signposted E-15 Madrid, A-7 Valencia)	A-7	3.23
45.87	Area de la Marina (Service Area)	A-7	49.10
34.63	Leave the A-7 at junction 63, then merge onto unnamed road (signposted Benissa, Teulada, Gata De Gorgos)	unnamed road	83.73
1.09	Continue forward, then merge onto the N-332	N-332	84.82
11.20	Continue forward onto the N-332. Entering Gata De Gorgos	N-332	96.02
0.80	Bear right, then merge onto the CV-734	CV-734	96.82
0.82	At roundabout take the 2nd exit onto the CV-734	CV-734	97.64
0.63	At roundabout take the 2nd exit onto the CV-734	CV-734	98.27
5.68	At roundabout take the 2nd exit onto the CV-734	CV-734	103.95
0.46	Turn right	Unclassified	104.41
2.49	Arrive at  El Arenal Javea	Unclassified	106.91
-	Section time 1:23, Total time 1:23