Top 5 cheapest fighter jets
MIG-29 Fulcrum
The MIG-29 Fulcrum is world most cheapest 4++ generation fighter heaving unit cost of $24 million. The MIG-29 is twin engine fighter which can achieve Mach 2.2 speed at high altitude. This fighter can carry enough weapons to neutralized both aerial and ground targets.
MIG-21

The MIG-21 was first introduced in 1959 as a figter and interceptor aircraft. The MIG-21 is the second cheapest aircraft in the world heaving worth of $25 million. Approximately 60 countries over four continents have flown the MiG-21, and it still serves many nations six decades after its maiden flight. It made aviation records, became the most-produced supersonic jet aircraft in aviation history.
MiG-31 Foxhound
The MiG-31 Foxhound is the world third cheapest aircraft which per unit cost is $33 million. The MIG-31 can achieve a speed of Mach 2.83 Which made MIG-31 one of fastest aircraft in the world as well. The MIG-31 is an attack and interceptor aircraft. The MIG-31 has a maximum range against fighter-sized targets is approximately 200 km, and it can track up to 10 targets and simultaneously attack four targets.
The MiG-31 was designed to fulfill the following mission objectives
Intercept cruise missiles and their launch aircraft by reaching missile launch range in the lowest possible time after departing the loiter area;
Detect and destroy low flying cruise missiles, UAVs and helicopters;
Long range escort of strategic bombers;
Provide strategic air defense in areas not covered by ground-based, air defense systems.
Sukhoi SU-30
The SU-30 is a twin-engine, super maneuverability fighter developed by Sukhoi Avaition Corporation. It can achieve Mach 2 speed and can carry upto 12 missiles for aerial and ground engagements. The cost on production of one Su-30 is $37 million.
JF-17 Thunder
The JF-17 Thunder is a joint production of China and Pakistan is a single engine, light weight multi-role fighter aircraft. The unit cost on one JF-17 fighter is $35 million. Heaving single RD-93 engine, the JF-17 can achieve Mach 2 speed. The JF-17 can carry 9 missiles in its wings for aerial and ground engagement.