A quick check on easyjet shows they don't fly to pescara
RyanAir had the following...
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Going out...
One-way 49.99 GBP Thu, 05 Jun 03
Flight FR 982
07:20 Depart London Stansted (STN)
10:40 Arrive Pescara (PSR)
Coming back...
One-way 59.99 GBP Sat, 07 Jun 03
Flight FR 983
20:35 Depart Pescara (PSR)
22:00 Arrive London Stansted (STN)
Going Out (One-way) 1 @ 49.99 GBP 49.99 GBP
Taxes, Fees & Charges details 12.87 GBP
Coming Back (One-way) 1 @ 59.99 GBP 59.99 GBP
Taxes, Fees & Charges details 5.58 GBP
Total Cost of Flight 128.43 GBP
(excluding handling fee (if applicable))